• US2332910A - Turbine governing apparatus : en
  • DE740615C - Process for the production of physiologically active substances from propenylphenols : de en
  • DE740618C - Electric switch with arc extinguishing by a flowing medium : de en
  • BE452168A - Method for signaling the failure of one or more phases of a polyphase asynchronous motor : en fr
  • US2332608A - Circuit controlling device : en
  • DE740186C - Process for separating sulfuric acid from gases : de en
  • US2332563A - Conversion of hydrocarbons : en
  • US2332696A - Method and means of increasing the fade resistance of duplication copies : en
  • US2332994A - Acceleration measuring device : en
  • US2332546A - Mounted kerf-cutting machine : en
  • US2332607A - Endless tread track tool : en
  • CH229444A - Missile projectile. : de en
  • PL32205B1 - The way of fixing the quartz crystal, vibrating towards its thickness : en pl
  • US2333062A - Folding stretcher : en
  • US2332817A - Textile treating method : en
  • US2333067A - Self-lubricating shaft and leader pin : en
  • PL32244B1 - Method for producing amino alcohols : en pl
  • US2332921A - Thread control mechanism : en
  • US2333026A - Duct construction : en
  • DK61477C - Procedure for the manufacture of a coffee substitute or coffee additive. : da en
  • BE452256A - : en fr
  • DE740784C - Speed controller for adding machines and similar machines with electric motor drive : de en
  • US2332684A - Adjusting and locking device : en
  • PL32209B3 - Czeslaw Lazarski, Warschau £ *} I E -J- / W-0 Pocket electric flashlight with flat battery : en pl
  • US2332951A - Battery charging control device : en
  • DE740854C - Electric discharge tubes, in particular light tubes, for the production of which luminescent glass is used in accordance with patent 716044 : de en
  • FR886907A - Wooden front rack for bicycles and motorcycles : en fr
  • GB556913A - Improvements in or relating to thread generating machines : en
  • FR886929A - Two-wheeled wheelbarrow transformable into one-wheeled wheelbarrow : en fr
  • CH229392A - Tensioning device for aprons of drafting systems. : de en
  • CA415986A - Peat production method : en fr
  • CA416012A - Self-lubricating belt idler : en fr
  • CH229510A - Apparatus for controlling the automatic switching on of a radio receiver and an electric bell at determined times. : en fr
  • FR886785A - Press for gluing the soles : en fr
  • CH229452A - Manometric device. : en fr
  • AU117628B2 - Improved mixing valve for use with suction gas producers : en
  • US2332628A - Scraper latch : en
  • US2332737A - Composite metal article : en
  • US2332790A - Sorting device : en
  • FR886926A - Ticket cutter : en fr
  • DK61472C - Control device by one of an asynchronous Motor driven Hoist for Firing. : da en
  • CH229371A - Artificial incubator. : en fr
  • US2332674A - Method of and means for forming unbreakable lenses : en
  • US2332825A - Lubricant : en
  • DE740603C - Electromagnetic reversing gear : de en
  • US2332934A - Process for the production of dispersible sulphur : en
  • US2333020A - Process for the preparation of printing plates : en
  • PL32230B1 - Martha Johanna Elisabeth Michalk born. Voigt, Dresden, Anna Wilhelmine Giesau born. Schmidt, Brandenburg and Hans Joachim Michalk, Chemnitz Movable underflow grate with lateral flat grates for fire-burning boilers : en pl
  • US2332682A - Anchored flexible coupling : en
  • DE740925C - Electron multipliers with photocathodes and fluorescent screens : de en
  • FR886981A - Process for obtaining sulfur and sulfuric acid from calcium sulfate : en fr
  • DE740758C - Process for the production of a fire- and water-resistant coating material : de en
  • DE740612C - Process for the production of wood coatings : de en
  • GB556943A - Improvements in electric stand-lamps and such like : en
  • AU114043B2 - Improvements relating to time base circuits : en
  • CH229559A - Footrest. : de en
  • US2332892A - Lawn mower : en
  • US2332939A - Stabilized water-in-oil-emulsions : en
  • US2332561A - Material handling apparatus : en
  • US2332609A - Apparatus for manufacturing wire drawing dies : en
  • US2332709A - Means for attaching wood heels to shoes : en
  • DE740684C - Step switch with rolling contact : de en
  • DE740731C - Maximum consumption measuring device for electricity : de en
  • DE740654C - Method for operating a high frequency furnace : de en
  • FR886864A - Swivel arm press, to hold and move the workpiece on the rotors : en fr
  • DE740539C - Treatment of fibers : de en
  • GB556899A - Improvements in or relating to directional radio transmitters : en
  • US2333027A - Process for the manufacture of soluble dry extracts : en
  • CA415997A - Hoist control system : en fr
  • CH229478A - Process for the production of protective layers on the outer wall of molten salt baths. : de en
  • DE740791C - Glued valve bag : de en
  • FR886958A - Improvement in mounting lanterns on bicycle handlebars : en fr
  • DK61469C - Procedure for the Inactivation of Phenol Water by Generator Mixing Gas Operation. : da en
  • FR886967A - New piston ring : en fr
  • GB556986A - Improvements in or relating to fuzes : en
  • FR886900A - Process for the production of color photographic images : en fr
  • CH229404A - Rainwear. : de en
  • DE740730C - Octagonal installation boxes for electrical installation devices to be laid next to each other in the plaster layer of walls : de en
  • DE740653C - Circuit of an electric discharge tube for high frequency oscillations with a real cathode and several grids : de en
  • DE740665C - Mine support : de en
  • FR886768A - Process for the preparation of a gas mixture suitable for the synthesis of ammonia : en fr
  • FR886800A - Automotive car with engine supplied with compressed air : en fr
  • US2332866A - Combustion chamber for gas-flow engines : en
  • CH229374A - Tank for storing liquids. : en fr
  • US2332600A - Vibrating conveyer trough : en
  • US2332676A - Grinding head : en
  • FR886845A - Process for the production of artifacts of iron or other metals : en fr
  • FR886963A - Process for depositing hard materials on metals by arc welding : en fr
  • GB556926A - Improvements in or relating to contact banks : en
  • CH229498A - Electrical starting device for internal combustion engines. : de en
  • US2332748A - Combination rod safety joint and tubing drain : en
  • PL32253B1 - A method of producing hollow viscose fibers : en pl
  • US2332507A - Top : en
  • US2332964A - Rotary loop taker for sewing machines : en
  • USD136573S - Wallpaper border or similar article : en
  • US2332654A - Automatic length-selecting cutoff saw : en
  • US2332506A - Separating and grading machine : en
  • US2332692A - Pipe wrench : en
  • US2333011A - High tension electric switch : en
  • PL32203B1 - The method of producing lining materials : en pl
  • DE740738C - Pressure measuring device : de en
  • GB556870A - Improvements in manhole covers : en
  • GB556916A - Improvements in or relating to revolution counters or tachometers : en
  • FR886797A - Straw bales collector : en fr
  • FR886758A - Flow switch-diosjnctor for alternating current : en fr
  • DE740885C - Device for remote switching of electrical hand-operated devices : de en
  • FR886816A - Correction device for light projection devices : en fr
  • FR886945A - Electric articulated boom : en fr
  • US2332496A - Circuit breaker : en
  • US2332548A - Riboflavin preparation and process of making same : en
  • US2332536A - Electrical circuit control device : en
  • DE740381C - Tariff establishment : de en
  • DE740739C - Balancing procedure for swingably mounted test bodies : de en
  • GB556951A - Improvements in or relating to the production of sheets of cellulose acetate or other organic substances : en
  • US2332576A - Reel mechanism : en
  • PL32225B1 - Maksymilian Grochowski, Warschau and Wladyslaw Krzyzanowski *), Warschau Tilted standing frame : en pl
  • US2332968A - Portable deck : en
  • US2333013A - Bow for string instruments, violins, cellos, etc. : en
  • FR886786A - Molded paste tablet dispenser : en fr
  • US2332948A - Safety device for pedestrians : en
  • DE739709C - Glazing for greenhouses : de en
  • FR886766A - Method and device for opening fibrous material : en fr
  • CH229505A - Device for regulating reactive power in AC line networks. : de en
  • US2332850A - Flowmeter : en
  • US2332756A - Totalizer system : en
  • CH229439A - Gymnastics and training apparatus. : de en
  • DE740136C - Process for the production of rayon with a surface structure using the viscose process : de en
  • DE740908C - Device for the automatic shutdown of the measuring roller of a material length measuring machine : de en
  • FR886760A - Provision relating to an escapement clockwork movement incorporated into an gearbox : en fr
  • FR886923A - Pressurized steam or gas rotary engine : en fr
  • US2332593A - Automatic transmission : en
  • DE740832C - Advertising poster for conspicuous and transmitted light : de en
  • US2332642A - Collapsible display : en
  • PL32207B1 - Maybach-Motorenbau Gesellschaft mit beschrankter Haftung, Fredrichshafen a / B Transmission of power by means of a hydraulic gearbox, especially on motor vehicles with a mechanical variable transmission : en pl
  • CH229382A - Fuel indicators on gas generators for solid fuels. : de en
  • USD136557S - Design fob a carpenter s bab : en
  • US2332663A - apparatus for circulating and sterilizing air : en
  • US2332831A - Safety belt for babies' dressing tables : en
  • USD136543S - Wallpaper border or similar article : en
  • FR886827A - Snap button spring part : en fr
  • GB556927A - Improvements in or relating to the construction of selector switches as used in automtic telephone and like systems : en
  • DE740009C - Process for coloring structures made of superpolyamides, their copolymers or super-polyurethanes with substantive dyes, the fastness of which is improved by treatment with copper salts : de en
  • DE740851C - Electric quick switch : de en
  • GB556998A - Adjustable drilling jig : en
  • CA416050A - Circuit controlling device for electrical switching apparatus : en fr
  • CH229557A - Device for the automatic connection and disconnection of reactive power generators of various sizes. : de en
  • CH229500A - Gas turbine system in which part of the working fluid flows around in a circuit. : de en
  • US2332779A - Dyestuffs of the anthraquinone series : en
  • DE740476C - Method and device for distilling : de en
  • DE740924C - Cathode ray tubes with an arrangement for concentrating the electrons emanating from the cathode and aligning them with an aperture : de en
  • DE740853C - Arc lamp for projection purposes : de en
  • DE740727C - Method for mending road surfaces : de en
  • FR886755A - Indirect heating cathode manufacturing process : en fr
  • US2332644A - Box staying machine : en
  • US2332902A - Process for concentrating aqueous dispersions : en
  • US2332935A - Riveting device : en
  • US2332856A - Molding die for balance weights : en
  • CA416029A - Piston ring : en fr
  • US2332501A - Stiffening member for shoes and the like : en
  • PL32249B1 - A device for controlling the amount of fuel injection through nozzles electromagnetically discharged in internal combustion engines : en pl
  • US2332930A - Optical element : en
  • BE452186A - : en
  • CH229523A - Process for the preparation of a new therapeutically effective amidine. : de en
  • DK61490C - Device by Centrifuges, in particular Milk Centrifuges. : da en
  • US2333070A - Surgical swab : en
  • DE740745C - Drive for sliding doors : de en
  • CH229475A - Concentricity test mandrel. : de en
  • FR886921A - Dust collector for gasifiers : en fr
  • CA415970A - Anchoring device for application to mattress walls : en fr
  • FR886888A - Improvements made to coal gasifiers : en fr
  • DE740533C - Relayless electrical control device with a choke coil, the direct current bias of which is controlled : de en
  • DE740625C - Testing machine for testing the running properties of bearing materials : de en
  • DE740808C - Back device for clockworks : de en
  • US2332514A - Inking-in roller : en
  • US2333008A - Torsion-rod suspension for tandem rear-wheel vehicles : en
  • DE740827C - Device for the production of clad plates or blocks, preferably from light metal : de en
  • US2332752A - Fastening means : en
  • US2332828A - Time controlled system : en
  • GB556925A - Improvements in and relating to the dyeing of nylon fibres with direct cotton dyestuffs : en
  • FR886771A - Rangefinder and finder scope for cinematographic cameras : en fr
  • FR886803A - A method of making corrugated wool-like fibers using polyamides : en fr
  • FR886841A - Current rectification installation : en fr
  • US2332898A - Synthetic composition comprising hydrolyzed, acetalized, and/or ketalized copolymers of vinyl esters and unsaturated alkyd resins : en
  • USD136567S - Container for toothbrushes or the like : en
  • DE740642C - Capsule microphone with a capsule housing made of insulating material : de en
  • DK61487C - Cat's Eye for Bicycles. : da en
  • FR886783A - Inner column of metal prop for mines : en fr
  • FR886853A - Infra-red reflectors : en fr
  • GB556885A - Improvements in or relating to heel-guards for use inside boots and shoes : en
  • CH229451A - Height measuring and marking device. : de en
  • US2332601A - Checkrow attachment for corn planters : en
  • US2333043A - Breakdown firearm : en
  • PL32247B1 - Oswin Haase, Bieberach near Priestewitz Poidlo for cattle : en pl
  • US2332843A - Paint removing tool : en
  • CH229407A - Machine for making slider closures. : en it
  • CH229408A - Process for the manufacture of rigid shoe caps. : de en
  • CH229417A - Process for the production of sodium sulphide. : de en
  • CH229548A - Gear change device. : en fr
  • FR886829A - Device for making electric pulses and oscillations visible : en fr
  • PL32260B3 - Manufacturing method for electric heating elements : en pl
  • IT406208B - : it
  • DE740531C - Device for reducing the risk of shrinkage cracks forming in the light metal housing cast around the stator core of electrical machines : de en
  • PL32206B1 - : en pl
  • DE740619C - Automatic, purely mechanical reclosing device for an electrical switch that has failed due to a malfunction or overload : de en
  • US2332494A - Signaling system : en
  • US2333006A - Body lifter : en
  • DE740645C - Diaphragmless fuel element : de en
  • FR886906A - Process for attaching hydrohalic acid to unsaturated compounds : en fr
  • FR886805A - Transposition of higher oxyalkyllamides to salts of ethers-salts of aminoalcohols : en fr
  • GB556881A - Improvements relating to surgical dressings : en
  • GB556942A - Improvements in or relating to the liquid treatment of solid materials : en
  • FR886969A - Improvements to punch card interpreters : en fr
  • GB556877A - Improvements in and relating to stands for mirrors, photo-frames and the like : en
  • GB556984A - Improvements in mobile lifting gear : en
  • CH229394A - Method and device for checking cross-scanned threads on warp preparation machines. : de en
  • US2332784A - Combination sound recorder and reproducer : en
  • US2333054A - Air mask : en
  • US2332679A - Method of injection molding : en
  • US2332705A - Wall construction : en
  • US2332553A - Can intended particularly for frozen products : en
  • GB556858A - Improvements in or relating to colour photography : en
  • US2332888A - Feed mechanism for saws : en
  • US2332567A - Apparatus for determining leaks in drill pipe : en
  • US2332710A - Method of attaching wood heels to shoes : en
  • US2332837A - Steady rest : en
  • US2332952A - Means to suppress radio frequency waves upon the inside of tubular conductors : en
  • DE740746C - Pair of hangers for sliding doors : de en
  • FR886863A - Chain stitch sewing machine : en fr
  • FR886887A - Cartridge for gasifier ignition : en fr
  • FR886790A - Remote control of aircraft engines by combined hydraulic and electrical devices : en fr
  • CH229552A - Electric heater with heat accumulator. : en fr
  • US2332777A - Orienting device : en
  • US2332926A - Method and apparatus for forming sheet material : en
  • USRE22387E - steinmayer : en
  • CA416028A - Titanium pigment manufacture : en fr
  • US2332619A - Upholstered metal chair : en
  • US2332914A - Process for preparing wheat cereal : en
  • US2332942A - Generator regulator : en
  • US2332938A - Automatic mold filling device : en
  • FR886996A - Brake magnet for electricity meters and the like : en fr
  • GB556834A - Improvements in lubricating and packing compounds : en
  • US2332617A - Rod weeder bearing : en
  • US2332635A - Package : en
  • US2332712A - Lift mechanism : en
  • PL32237B1 - Ringhoffer-Tatra-Werkefl. G., Prague Motor vehicle with an open body with a streamlined rear engine : en pl
  • US2332647A - Production of iron sulphate : en
  • DE740713C - Hollow slag body with glass coating : de en
  • PL32204B1 - Czeslaw Lazarski, Warschau Pocket electric flashlight with a flat battery : en pl
  • US2332802A - Animal protein resin product and preparation thereof : en
  • FR886978A - Inner shoe brake : en fr
  • FR886761A - Toggle lever : en fr
  • GB556995A - Improvements in means for washing crockery, dishes and like articles : en
  • US2332547A - Loose-leaf binder : en
  • US2332665A - Multicylinder liquid pump assembly : en
  • GB556872A - An improved process for rendering wool unshrinkable : en
  • GB556981A - Improvements in the manufacture of posters and the like display articles : en
  • CH229415A - Method and device for the continuous treatment of liquid organic compounds with liquid chemical agents. : de en
  • FR886832A - Carburetor, especially for combustion engines : en fr
  • DE740699C - Padding for sitting and lying areas : de en
  • PL32234B1 - A method of producing the oxidation products of saturated or unsaturated sterines or bile acids with partially or completely cleaved side chains : en pl
  • DE740776C - Bulldozer : de en
  • FR886896A - Direction-finding emission device : en fr
  • FR886777A - Liquid fuel consumption reducer for any internal combustion engine : en fr
  • US2332868A - High frequency variable inductance : en
  • DE740902C - Mechanical actuation device for disc brakes, especially for motor vehicles : de en
  • DE740669C - Method for operating washing machines operating according to the multi-lye system : de en
  • DE740679C - Valve control for piston engines : de en
  • DE740700C - Solvents, gelatinizers and softeners for cellulose derivatives : de en
  • US2332947A - Control apparatus : en
  • DE740722C - Process for the preparation of basic compounds, especially the pyridine series : de en
  • USD136568S - Design for a container cap : en
  • US2332658A - Toilet seat attachment : en
  • USD136571S - Design for a cigarette container : en
  • FR886753A - Process for the preparation of ionylidene-acetaldehyde and analogous compounds : en fr
  • FR886970A - Process for the manufacture of 3-amino-1-nitro benzenes substituted in the fourth position by an alkoxy, alkenoxy, aralkoxy or aralkenoxy group containing more than two carbon atoms, as well as their salts : en fr
  • FR886959A - Contacts for electrical equipment : en fr
  • US2332999A - Collapsible shipping container : en
  • FR886870A - Process for the catalytic isomerization of normal or straight chain paraffinic hydrocarbons : en fr
  • GB556884A - Improved means for the location of faults in electric cables : en
  • DE740703C - Internal combustion engine : de en
  • DE739954C - Process for the production of synthetic tanning agents : de en
  • FR886986A - Protective layer for current inputs of electric discharge receptacles and its manufacturing process : en fr
  • GB556952A - Improvements relating to servo-mechanism applicable to speed governors : en
  • FR886752A - Improvements in fractional distillation of products leading to benzols : en fr
  • FR886914A - Photographic printing process : en fr
  • DE740628C - Seal for brakes, in particular motor vehicle brakes : de en
  • CH229414A - Process for the production of an expanding chain composed of individual links. : de en
  • FR886897A - Manufacturing process for media for sound recordings : en fr
  • US2332840A - Sickle bar : en
  • US2332846A - Electric connector : en
  • US2332958A - Coating composition : en
  • DE740592C - Device for the immediate stabilization of devices arranged on movable platforms : de en
  • CA416052A - Amplifying system : en fr
  • CH229476A - Device for trimming the edge of thin sheet metal bodies. : de en
  • AU117613B2 - Improvements in or relating to circuits for transmitting ultrahigh-frequency electric oscillations : en
  • US2332893A - Universal tube fitting : en
  • GB556969A - Improvements in or relating to asbestos pads : en
  • GB556921A - Improvements in or relating to circuit arrangements for selector switches for use in automatic telephone or like systems : en
  • PL32262B1 - : en pl
  • BE452298A - Recovery of platinum volatilizing in combustion of ammonia : en fr
  • US2332678A - Method of molding large bodies : en
  • US2332945A - Method of manufacturing phonographic disks : en
  • US2332531A - Feed mechanism : en
  • DE740741C - Harvesting machine for potatoes or beetroot with a carrier belt arranged over a conveyor belt : de en
  • FR886789A - Hollow frame for electrical building elements, such as capacitors, coils, and other devices : en fr
  • GB556878A - Improvements in or relating to electrical condensers : en
  • US2332969A - Heat exchanger : en
  • FR886754A - Electric discharge tube : en fr
  • FR886990A - Cylinder or cylinder liner, particularly intended for internal combustion engines operating at a high rate : en fr
  • DE740583C - Sole tearing machine with adjustable edge guide for the shoe sole : de en
  • US2333041A - Concrete treating and finishing machine : en
  • GB556977A - Improvements in or relating to the manufacture of felted fabrics : en
  • DE740884C - Remote control system with feedback device : de en
  • DE740889C - Electrolytic capacitor, the anode and cathode of which are rolled up, wound or folded with the interposition of a substance that absorbs the electrolyte : de en
  • CH229541A - Elastic tire, especially for bicycles. : de en
  • GB556974A - Automatic phonographs : en
  • US2332805A - Cross-slide construction for machine tools : en
  • BE468051A - : en
  • DE740922C - Arrangement for operating a water-cooled high-pressure mercury discharge lamp : de en
  • US2332512A - Volume meter for granular materials : en
  • US2332611A - Electrical control system : en
  • CA415992A - Thermostat : en fr
  • PL32201B3 - Daimler-Benz flktiengesellschaft, Stuttgart-CJntertUrkheim Injection nozzle for internal combustion engines : en pl
  • US2332796A - Reduction of elongated bodies : en
  • FR886810A - Multipurpose electronic device : en fr
  • FR886848A - Apparatus for performing quantitative and qualitative analyzes, electrometric titrations, measurements of conductivity, ph, rh, etc. : en fr
  • DE740658C - X-ray examination device : de en
  • CA416032A - Naphthenic oil extraction : en fr
  • PL32215B1 - lnz. Waclaw Jacyna, Warschau Economical lighting lamp : en pl
  • CH229551A - Tillage implement. : de en
  • GB556947A - Improvements in or relating to counting apparatus for articles conveyed in a stream : en
  • DE740660C - Complementary counter : de en
  • DE740735C - Compound for the production of foundry molds and cores from quartz sand : de en
  • CH229465A - Magnesium alloy. : de en
  • DK61467C - Multi-stage Row Multiplier Tube and Coupling with such a Tube. : da en
  • US2332827A - Electric control apparatus : en
  • GB556846A - Improvements in or relating to typographical composing machines : en
  • US2332500A - Safety reversible window : en
  • USD136578S - Design for a gauge : en
  • US2333033A - Bone splint : en
  • FR886782A - Filter respirator : en fr
  • CA416037A - Printing scale : en fr
  • CH229429A - Process for the production of microporous to coarse-pored masses which can be used as leather substitutes. : de en
  • USD136559S - Design for a safety suit : en
  • CH229380A - Gas generator. : de en
  • CH229470A - Grooving and parting off device on turret lathes with horizontally mounted turret head. : de en
  • US2332668A - Colony counting apparatus : en
  • PL32242B1 - Josef Kessel, Krefeld Template printing machine : en pl
  • CA416057A - Cable layer : en fr
  • FR886807A - Process for preparing a product rich in carotene : en fr
  • US2332751A - Expansible and reversible envelope : en
  • US2332931A - Covered seam and method of producing it : en
  • CH229369A - Hydraulically acting device on a tractor for raising and lowering soil cultivation implements pulled through it. : de en
  • DE740710C - Centrifugal governor : de en
  • DK61476C - Device for binding machines for self-binding mowers and straw balers. : da en
  • DK61473C - Device for Furnaces to Prevent False Drafts. : da en
  • US2332588A - Variable transmission : en
  • US2332723A - Hosiery-fit tester : en
  • US2332943A - Carbon combustion furnace : en
  • PL32258B1 - Junkers Flugzeug-und Motorenwerke flktiengesellschaft, Dessau Preparation for preventing the ignition of light metals and for extinguishing fires of such metals : en pl
  • US2332725A - Variable pressure system : en
  • DE740641C - Lateral holder-free catenary : de en
  • FR886861A - Construction game : en fr
  • FR886972A - Exhaust box for horizontal internal combustion engines : en fr
  • CA416025A - Partition assembling machine : en fr
  • US2332988A - Control mechanism for variable speed mechanism : en
  • DE739977C - Process for the preparation of water-insoluble disazo dyes : de en
  • US2332962A - Skip loader and dumper : en
  • DE740604C - Multiple telephony system : de en
  • US2332979A - Sliding sash window construction : en
  • DE740748C - Device for gluing fabrics on printing tables or the like. : de en
  • GB556954A - Improvements relating to closure devices for vehicle petrol tanks, radiators, and other receptacles : en
  • US2332865A - Crosshatching instrument : en
  • CH229558A - Arrangement for reducing the stress on the input coils of transformer windings from voltage surges. : de en
  • DE740855C - Secondary electron multiplier with a series of metallic electrodes provided with baffle plates which delimit the discharge space on all sides : de en
  • FR886883A - Electric brazier : en fr
  • FR886912A - Percussion fuze : en fr
  • US2332691A - Projection apparatus : en
  • US2332909A - Fuel injection valve apparatus : en
  • FR886808A - Single-phase synchronous motor with series characteristic : en fr
  • FR886809A - Process for preparing synthetic materials : en fr
  • CA415989A - Trolley conveyer : en fr
  • FR886922A - Machine for molding blocks such as soap substitutes and the like : en fr
  • FR886821A - rotation solenoid for automatic regulators and switches : en fr
  • CA416017A - Machine tool electric control device : en fr
  • DE740862C - Building drum for giant air and truck tire construction : de en
  • CH229529A - Sealing device for pressurized fluid devices, in particular for fire extinguishers. : en fr
  • US2332502A - Insulator support and coupling method : en
  • DE740651C - Process for the continuous production of a cable for windings of electrical machines and apparatuses consisting of groups arranged one above the other and lying on top of each other : de en
  • DE740778C - Process for the production of circular winding grooves in long massive runners for electrical machines : de en
  • GB556847A - Improvements in clips for securing flexible or other electric conductors in place : en
  • GB556850A - Improvements in or relating to devices responsive to electric impulses : en
  • US2332636A - Paint composition : en
  • CH229457A - Record holder on gramophones with automatic record exchange. : de en
  • USD136565S - Design for a bicycle : en
  • US2332995A - Thermostatic fluid mixing device : en
  • US2332801A - Vegetable protein resin product and preparation thereof : en
  • FR886944A - Improvement in gear changes for cycles : en fr
  • FR886860A - Automatic locking differential mechanism, in particular for motor vehicles : en fr
  • US2332824A - Process for producing valuable wax modifying agents : en
  • DE740759C - Method for patterning artificial teeth made of synthetic resin : de en
  • SE108847C1 - : en
  • FR886767A - Sewn sheet of synthetic linear crystalline polymers, more especially of polyamides or polyurethanes : en fr
  • US2332901A - Synthetic composition comprising hydrolyzed, acetalized, and/or ketalized copolymers of vinyl esters and unsaturated ketones : en
  • US2332957A - Mattress : en
  • US2332623A - Protective coating : en
  • US2332750A - Paper manufacture : en
  • DE740813C - Process for the water-solubilization of higher boiling pyridine bases : de en
  • USD136555S - Design for a carpenter s plane for use as an attachment to hatchets or similar tools : en
  • US2332993A - Vehicle anchor means : en
  • DE740697C - Process for the preparation of metal-containing azomethine dyes : de en
  • US2332624A - Liquid circulator : en
  • US2333069A - Self-lubricating spinning ring : en
  • DE740845C - Spin dryer : de en
  • DK61468C - Procedure for Regulating Suction Gas Generators. : da en
  • FR886916A - Fiberboard manufacturing process : en fr
  • US2332513A - Expanded solid corn sirup combination : en
  • FR886927A - Low pressure acetylene generator : en fr
  • DK61481C - Resilient Wheel Ring for Bicycles. : da en
  • FR886928A - Glow discharge relay : en fr
  • US2332520A - Variable buffer : en
  • FR886989A - Power switch : en fr
  • FR886780A - Dam hydraulic power plant : en fr
  • FR886814A - Articulated sole : en fr
  • US2332912A - Telephone system : en
  • GB556866A - Improvements in and relating to helicopters : en
  • US2332606A - Filing apparatus : en
  • US2333049A - Cigarette flavoring means : en
  • US2332685A - Tubing make-up device : en
  • PL32250B1 - The method of removing the mass of solid material from the tanks, in particular the removal of the coke mass from the reaction chambers, and a device for carrying out this method : en pl
  • US2332716A - Carburetor : en
  • US2332863A - Flat sheet delivery for printing presses : en
  • US2333073A - Chair : en
  • US2333079A - Phonograph attachment : en
  • GB556840A - Improvements in or relating to mechanically propelled bucket tipping vehicles : en
  • GR10170B - ELECTRIC RACING ROUTES (RACE). : el en
  • DE740765C - Ball removal device : de en
  • FR886794A - Nitrocellulose varnishes for oilcloth and canvas-leather : en fr
  • FR886817A - fluorescent screen for cathode ray tubes for the purpose of making measurements : en fr
  • CH229446A - Gun directional gear. : de en
  • US2332808A - Bag : en
  • US2332537A - Method of compression molding : en
  • US2332782A - Automatic tone control circuit : en
  • CH229427A - Dry product intended to form an oxidizing solution used to erase ink. : en fr
  • CH229534A - All-current radio receiver. : de en
  • DE740856C - Electrode salt bath furnace : de en
  • US2332896A - Synthetic composition comprising hydrolyzed acetalized copolymers of vinyl esters and unsaturated organic esters : en
  • US2333050A - Separating hematoxylin from logwood extract : en
  • US2333075A - Fuel feeding system : en
  • US2332639A - Hair drier : en
  • US2332610A - Apparatus for connecting balanced and unbalanced networks in electrical systems : en
  • US2332987A - Method of building of tires : en
  • US2332821A - Chick feeder : en
  • USD136576S - Design fob a coat : en
  • CA416040A - Vibrating machinery control system : en fr
  • GB556970A - Improvements in multi-tubular steam and hot water boilers : en
  • US2332569A - Hollow stay bolt : en
  • US2332630A - Snap action relief valve : en
  • US2332738A - Method of making stockings : en
  • DK61486C - Fireproof type firearms. : da en
  • PL32251B1 - A method of extinguishing flammable coke and an apparatus for carrying out the method : en pl
  • US2332538A - Method of coating wire with plastic compositions : en
  • PL32232B1 - The method of producing condensation products of glycic acid with aromatic amines or their derivatives (// [f : en pl
  • US2332891A - Migrationproof electric device : en
  • DE740781C - Mechanical surface tester : de en
  • FR886947A - Mobile seat, especially for airplane pilot : en fr
  • DE740918C - Step switching device for tapping transformers : de en
  • USD136551S - Design for a coat or similar article : en
  • US2332584A - Wheel slip control means : en
  • DE740639C - Process for the production of humus fertilizers : de en
  • CH229372A - Set including a beehive. : en fr
  • DE740752C - Process to increase the resistance of multi-layer solid and hollow bodies for gun barrel construction : de en
  • DE740920C - Surge arresters : de en
  • FR886968A - Enhancements to High Frequency Calibrated Generators : en fr
  • SE108868C1 - : en
  • US2332875A - Self-priming pump : en
  • CH229515A - Electric discharge vessel with easily poisonable cathode and process for the manufacture of this vessel. : de en
  • US2332918A - Carpenter's tool chest : en
  • FR886987A - Spiral tungsten filament for electric lamps, in particular for electronic lamps : en fr
  • US2332503A - Fluid lift : en
  • US2332603A - Grinding machine with wheel shifting means : en
  • CH229413A - Process for preparing a polishing solution for rice. : de en
  • AU370840A - Improvements relating to time base circuits : en
  • DE740906C - Dry gas container : de en
  • PL32240B1 - Zaklady Przemyslowe "Eternit" Spółka Akcyjna, Warschau Impregnating compound for the production of moisture-resistant boards of asbestos, asbestos cement or similar material, especially for lining walls, impregnation of boards and putty to attach them, for example, to a wall : en pl
  • USD136560S - Design for a shopping bag : en
  • US2332522A - Material-loading apparatus : en
  • US2332990A - Foundation pile : en
  • US2332558A - Soap dispenser : en
  • BE452417A - : en fr
  • CA416048A - Transmission system embodying loud speakers : en fr
  • CH229410A - Process for the production of an easily extractable product from husk grain. : de en
  • DK61489C - Dryer with two or more horizontal conveyor belts moving along their longitudinal direction. : da en
  • CH229379A - Furnace for melting glass. : en fr
  • FR886756A - Gas detector : en fr
  • GB556991A - Improvements in or relating to beer engines : en
  • CH229499A - Gas turbine plant. : de en
  • US2333046A - Rail bond and method of making the same : en
  • US2332971A - Wrench : en
  • US2332586A - Combination carburetor and ignition system : en
  • CH229525A - Process for the preparation of a solvent for glucosides of the flavone group and their aglucones. : de en
  • FR886882A - Improvements to internal combustion engines : en fr
  • CH229562A - Braking device on trains, in particular trains. : de en
  • GB556980A - A process for the manufacture of metal powders : en
  • CH229517A - Device for driving periodically actuated contacts, especially with contact converters. : de en
  • CA415969A - Rail flaw detecting apparatus : en fr
  • CH229463A - Process for the preparation of magnesium alloys with ceric earth metals. : en fr
  • CA416014A - Cedar chest : en fr
  • CH229422A - Process for the production of ethylidene chloride. : de en
  • DE740449C - Device for the excitation of selective protective relays assigned to several phases and for their switchover to the electrical quantities characteristic of the various fault cases in multi-phase systems : de en
  • DE740670C - Device for tensioning a plurality of stretches of a washing line : de en
  • PL32256B1 - Daimler-Benz flktiengesellschaft, Stuttgart — Unterturkheim Pre-combustion chamber for internal combustion engines : en pl
  • US2332904A - Shampoo chair : en
  • BE452285A - Process for the production of oxygen-free copper with maximum density and absence of gas : en fr
  • PL32218B1 - Daimler-Benz flktiengesellschaft, Stuttgart A pump with several piston lifters arranged next to each other, in particular a pump for fuel injection for internal combustion engines : en pl
  • US2332789A - Spot welder electrode holder : en
  • DE740682C - Input circuit for overlay receivers : de en
  • US2332578A - Composite metallic and nonmetallic button : en
  • DE740828C - Joint cutter for boat planks : de en
  • FR886964A - Safety valve for gas distribution : en fr
  • US2332524A - Container : en
  • DE740693C - Electron tubes with at least four electrodes between the cathode and anode, in particular mixing tubes : de en
  • DE740711C - Frictional locking of pistons in hydraulic working cylinders, especially for aircraft : de en
  • GB556883A - Improvements in or relating to means for maintaining or adjusting the alignment of two movable or relatively movable objects : en
  • GB556907A - Improvements in or relating to electric dry batteries : en
  • CH229386A - Device for connecting wooden parts. : de en
  • BE452250A - : en
  • GB556906A - Apparatus for soil fertilisation : en
  • GB556967A - Improvements in radio-aerials : en
  • GB556994A - Plate or sheet clamping device for use in riveting and like operations : en
  • GB556972A - Improvements in or relating to sliding clasp fasteners : en
  • US2332655A - Fly tying machine : en
  • US2332925A - Hydraulic control for governors : en
  • USD136569S - Combined perfume bottle and stand therefor : en
  • CH229434A - Process for the production of a pure white, high-gloss and corrosion-resistant galvanizing. : de en
  • PL32212B1 - Deutsche Kollergeneratoren-und Ofenbau-Gesellschaft Bergfeld & Co., Berlin Roller seal for gas pressure regulators, especially for throttle actuators : en pl
  • US2332539A - container x : en
  • FR886919A - Annular slot nozzle, regulating its section, for fuel injection into combustion engines : en fr
  • FR886901A - Process for covering with aluminum wires and other elongated objects made of steel or other metals or hard metal alloys : en fr
  • PL32245B1 - A device for supplying fuel to furnaces, especially ring furnaces : en pl
  • US2332734A - Lapel : en
  • US2332873A - Differential radioactivity logging : en
  • US2332582A - Chair attachment : en
  • DE740714C - Process for the production of grinding bodies and linings of all kinds of mills : de en
  • FR886960A - equipment of a spot welding machine, allowing seam welding : en fr
  • US2332959A - Sleeve valve drive : en
  • US2332666A - Acetylated sugar compound : en
  • DK61466C - Discharge vessel with external anode and procedure for its manufacture. : da en
  • FR886879A - Cleaner Holder Remover : en fr
  • DE740600C - Process for bending sheet metal : de en
  • DE740709C - Pressurized water system with compressed air loaded fluid storage and pump circulation device : de en
  • GB556914A - Improvements in or relating to thread generating machines or other machines embodying reciprocating slides or the like : en
  • CH229561A - Braking device on trains, in particular trains. : de en
  • DE740875C - Pseudo solutions for foam swimming pool treatment : de en
  • DE740919C - Device for switching faulty line systems off and on again immediately : de en
  • US2332572A - Process of catalytic hydrogenation : en
  • US2332927A - Ironing table : en
  • FR886778A - Surgical sewing thread : en fr
  • FR886811A - Device for high frequency communications : en fr
  • FR886895A - Refrigeration plant, especially for frozen food : en fr
  • GB556918A - Improvements in or relating to the arrangement of switches in automatic telephone exchanges : en
  • DE740614C - Process for converting yeast plasmolysates into a stable dry form : de en
  • GB556941A - Improvements in or relating to cutlery : en
  • GB556962A - Improvements in jigs for welding, brazing or soldering : en
  • DE740782C - Display device for measured values : de en
  • USD136564S - Design fob a belt : en
  • DE740923C - Circuit arrangement of an amplifier tube with cathode, anode and at least three, but expediently four or more grids : de en
  • FR886876A - Device indicating the approach of critical flight conditions in airplanes : en fr
  • GB556855A - Synchronisation of alternating current sources particularly applicable to common wavelength broadcasting systems : en
  • US2332773A - Indicator for recurring motion : en
  • DE740676C - Process for the production of hydrocyanic acid : de en
  • FR886852A - Internal combustion engine with exhaust ports arranged in the vicinity of the cylinder head and controlled by a slide : en fr
  • FR886951A - Snap-action switches for step-by-step adjustment of transformer voltage : en fr
  • GB556940A - Improvements in or relating to coil clutches : en
  • CH229464A - Magnesium alloy. : de en
  • CH229396A - Process for the production of reduced stockings with connection of the lid with the adjoining heel parts of a lid heel by covering over on the flat knitting machine. : de en
  • CA416003A - Plastic article supporting means : en fr
  • CH229516A - Method for filling capacitor cans with potting compound. : de en
  • US2332757A - Brief case or the like : en
  • FR886866A - System with asymmetric electrical conductivity comprising selenium as semiconductor element : en fr
  • DE740822C - Secondary electron multiplier with two or more multiplication stages : de en
  • CA416053A - Indexing chuck : en fr
  • US2332641A - Coupling : en
  • US2332973A - Drawing mechanism for spinning frames and the like : en
  • CH229472A - Turret slide drive on lathes on which the turret slide can execute feed and rapid traverse movements. : de en
  • DE740648C - Electric control device : de en
  • US2332592A - Process of producing screen stencils : en
  • US2333012A - Refrigerating system : en
  • CH229418A - Process for the preparation of a mixture of stereoisomeric di (p-cyclohexanolyl) diethyl ethanes. : de en
  • CH229530A - Oxygen breathing apparatus with an acoustic warning device. : de en
  • CA415975A - Training apparatus : en fr
  • US2332694A - Air venturi : en
  • CA416010A - Steering gear : en fr
  • US2332568A - Laying out tool for making metallic elbows : en
  • PL32255B3 - Gewerkschaft Keramchemie-Berggarten, Siershahn Liquid-tight products made of several layers, e.g. tanks, pipes or flooring : en pl
  • US2332579A - Shield for wall moldings : en
  • US2332745A - Flatiron rest : en
  • CH229521A - Electric resistance furnace. : de en
  • CH229373A - Process for the production of compressed wood art panels, in particular for floor coverings. : de en
  • DE740608C - Inside stiffened propeller hollow blade : de en
  • DE740835C - Hand tool for grinding or polishing, especially of fillets with an endless grinding or polishing belt : de en
  • GB556964A - Improvements in and relating to brushes : en
  • US2332721A - Display unit : en
  • US2332923A - Concealed slider stop : en
  • US2332707A - Automobile air conditioning device : en
  • CH229554A - Skis with protective edges. : de en
  • CH229555A - Waterproof watch box. : en fr
  • CA415985A - Pneumatically mounted tractor : en fr
  • FR886854A - Locking tow bar with automatic slack adjustment : en fr
  • CA416044A - Electron discharge apparatus : en fr
  • CA415988A - Contour map : en fr
  • DE740287C - Device for remote display of pointer and scale positions using a zero instrument : de en
  • DE740650C - Brake circuit for DC drives with constant current supply : de en
  • CH229460A - Automatic winding mechanism with oscillating weight for watch movements. : en fr
  • US2332996A - Welt insole and method of making : en
  • CH229461A - Waterproof box. : en fr
  • PL32193B1 - Prager Eisen-Industrie-Gesellschaft, Prague and Heinrich Sarek, Kónigshof Flare tube connection [1 -f ~ jr * J \ Llf) lt : en pl
  • PL32200B1 - JarosIav Andel, Friedland P? 7i / Gruszt economic : en pl
  • PL32246B1 - A device for making cellulose wool topped from tapes of artificial threads : en pl
  • US2332643A - Telephone set circuit : en
  • US2332775A - Plural fire alarm signaling system reproducing sound records : en
  • CH229531A - Overview table for game and betting results. : de en
  • US2332980A - Projectile : en
  • US2332535A - Fuel injector nozzle : en
  • US2332562A - Conversion of hydrocarbons : en
  • US2332638A - Assembly of series-connected envelopes : en
  • US2332781A - Manufacture of water gas : en
  • FR886868A - Process for the preparation of ethers-oxides derived from glycerin : en fr
  • US2332839A - Material handling machine : en
  • CH229378A - Process for the production of components. : de en
  • US2333051A - Thickness-shrinkage-controlled die assembly : en
  • DK61479C - Cooling air supply device for Motor Vehicles with Rear Engine. : da en
  • US2332762A - Unit heater : en
  • DE740622C - Process for the production of solutions of cellulose in sulfuric acid : de en
  • DE740725C - Piston steam engine with downstream steam turbine, especially for ship propulsion : de en
  • US2332967A - Plotting apparatus : en
  • CH229542A - Vulcanizing apparatus for vehicle tires. : de en
  • CH229406A - Female snap button element with independent elastic member. : en fr
  • CH229560A - Machine for tying boxes or stacked objects of all kinds. : de en
  • US2332711A - Refrigerating apparatus : en
  • US2333068A - Soap dispenser : en
  • DE739976C - Process for the preparation of water-insoluble monoazo dyes : de en
  • DE740755C - Arrangement for the protection of electrical machines or apparatus with the help of a bimetal relay : de en
  • DE740881C - Device for atomizing a liquid that prevents freshly printed sheets from becoming soiled by means of a spray nozzle without the use of compressed air : de en
  • GB556865A - Improvements in or relating to helicopters : en
  • GB556862A - Means for restoring normal circulation in animal bodies in cases where the animal system has been subjected to circulatory shock : en
  • US2333064A - Method and apparatus for form milling resinous blanks : en
  • GB556831A - Improvements in or relating to the positioning of work in shoe machines : en
  • GB556938A - Improvements in or relating to couplings for model railway vehicles : en
  • US2332704A - Die and mounting therefor : en
  • US2332746A - Method of making porous metal : en
  • US2333065A - Fingerprint register : en
  • DE740760C - Fuel meter for fuel tanks of any shape in aircraft : de en
  • CA416018A - Poplar groundwood bleaching process : en fr
  • CH229395A - Process for producing an elastic decorative or finishing seam on pieces of fabric, underwear, stockings, etc. : de en
  • DE740883C - Device for adjusting the air gap between the membrane and the pole pieces when manufacturing an electromagnetic capsule telephone : de en
  • DE740865C - Warehouses for clocks and other precision measuring devices : de en
  • FR886908A - Method and devices for supplying internal combustion engines with gaseous fuels as well as installation on motor vehicles : en fr
  • GB556839A - Improved valve means for controlling the direction or manner of flow of gas within gas purifiers : en
  • FR886842A - Oxide Cathode Current Converter Tube : en fr
  • FR886911A - Electric transmission system : en fr
  • FR886935A - Self-destruct rocket : en fr
  • DE740789C - Seal for canning jars : de en
  • FR886976A - Method of changing the track of sound recordings during playback : en fr
  • DE739469C - Mixing preheater : de en
  • GB556975A - Improvements in or relating to apparatus for measuring or indicating the roughness or undulations of a surface : en
  • DE740707C - Double support roller for material webs made of paper or the like. : de en
  • FR886869A - Fireplace intended for the use of solid fuels regardless of the ash melting point : en fr
  • GB556886A - Improvements in and relating to methods of plating copper oxide rectifier elements : en
  • FR886875A - Double-acting automatic brake shoe clearance regulator : en fr
  • US2332838A - Steering gear : en
  • US2332889A - Thread-guiding arrangement : en
  • US2332646A - Groove cutting machine : en
  • US2333024A - Tape perforating system : en
  • BE452305A - Process for the manufacture of 2-alkoxy-5-nitro-anilines, optionally in combination with 2-alkoxy-4-nitro anilines, the alkoxy group containing more than two carbon atoms : en fr
  • PL32226B1 - Siemens & Halske flktiengesellschatt, Berlin — Siemensstadt Linear telephone repeater : en pl
  • US2332534A - Steam generator : en
  • US2332560A - Grinding wheel truing mechanism : en
  • AU474942A - Improvements in or relating to circuits for transmitting ultrahigh-frequency electric oscillations : en
  • CA415990A - Piston treating method : en fr
  • US2332800A - Process for cleaning petroleum refining equipment : en
  • GB556887A - Improvements in hat and coat hooks : en
  • GB556903A - Improvements in or relating to shock absorbers : en
  • US2332932A - Thread control means : en
  • FR886837A - Manufacturing process for new benzenesulfonylguanidines : en fr
  • DE740877C - Reaction tower with filling station : de en
  • US2332844A - Retractable landing gear for airplanes : en
  • CA416030A - Aminotriazine-formaldehyde condensation product : en fr
  • PL32223B1 - A device for increasing the temperature of water supplied from gas-fired bath stoves : en pl
  • GB556867A - Improvements in or connected with drawbars for motor tractors : en
  • US2332604A - Fluid valve : en
  • PL32220B1 - Oskar Spath, Stuttgart : en pl
  • DE740142C - Process for the production of resins : de en
  • DE740644C - Input circuit for radio receivers with capacitive coupling of the antenna : de en
  • FR886992A - Tube amplifier : en fr
  • DE740844C - Process for the production of barley starch : de en
  • DE740928C - Permanent magnetic filter for filtering liquid or pulpy media : de en
  • FR886937A - Improvements made to terminals for plugging in or connecting electrical conductors : en fr
  • GB556895A - Improvements relating to the production of branched chain alkanes : en
  • CH229370A - Atomizer nozzle with safety device, mainly for plant and tree sprayers. : de en
  • US2332515A - Combination vacuum governor and spark control : en
  • US2332613A - Sander attachment : en
  • FR886772A - Closing device for wagon door or other applications : en fr
  • FR886826A - Improvements to wrenches with removable sockets : en fr
  • FR886779A - Electric hammer : en fr
  • FR886974A - Manufacture of a combustible product that can replace coal : en fr
  • GB556909A - Improvements in or relating to ground-marking machines : en
  • FR886847A - : fr
  • DE740635C - Pressure-resistant devices that are resistant to chemical stress : de en
  • US2332671A - Fabrication of filled sealed capsules : en
  • US2332772A - Holder : en
  • US2332575A - Stereoscopic device : en
  • US2332662A - Gas mask : en
  • DK61478C - Power transmission systems, in particular for Motor Vehicles. : da en
  • DE740831C - Screwless throat plate attachment on sewing machines : de en
  • US2332731A - Power operated window begulator : en
  • US2332920A - Thread control mechanism : en
  • FR886917A - Carburetor : en fr
  • CH229547A - Pull cable with a nipple. : de en
  • US2332505A - Method of making diamond disks : en
  • US2332681A - Synchronizing of deflecting circuits : en
  • CH229433A - Sewage treatment plant. : de en
  • PL32252B1 - A method of producing a tape that can be pulled out and fed without being combed and a device for performing this method : en pl
  • US2332729A - Portable grain conveyer : en
  • US2332795A - Bomb dropper : en
  • CH229419A - Process for the production of a product which can be used as a detergent and cleaning agent. : de en
  • CH229524A - Process for the production of ascorbic acid. : de en
  • FR886933A - Mechanism for activating a rotating organism by human force and applications of said mechanism : en fr
  • US2332556A - Thermal control adjuster : en
  • PL32221B1 - Leichtmetallbau Regensburg G. m. B. H. *) Regensburg Shaft seal : en pl
  • US2332903A - Sand spreader : en
  • USD136547S - Design for a pulley block : en
  • US2332867A - Cycloalkylene phenol : en
  • US2332883A - Snap action switch : en
  • CH229509A - Circuit breaker. : en fr
  • US2332590A - Die for punch presses and the like : en
  • FR886856A - Process for the production of sterols and sterol adducts from materials containing sterols : en fr
  • US2332900A - Synthetic composition comprising hydrolyzed, acetalized, and/or ketalized polymers of allyl esters : en
  • US2333077A - Furnace construction : en
  • DE740681C - Loudspeaker system for public vehicles : de en
  • DE740764C - Process for reducing soil strength during tillage : de en
  • DE740780C - Bearing metal alloy : de en
  • FR886770A - Converter with periodically actuated coupling contacts : en fr
  • US2332915A - Plant for the preparation of hydrogen under pressure : en
  • DE740838C - Process for the production of metal sheets coated with phenol-formaldehyde resin lacquers, suitable for the production of cans : de en
  • US2332702A - Wool treatment : en
  • US2332975A - Air conditioning system utilizing : en
  • PL32211B1 - Connecting device between the car body and the chassis in two- and four-axle tram cars : en pl
  • US2332580A - Combustion control : en
  • DE740646C - Spark chamber for electrical circuit breakers : de en
  • AU117618B2 - Improvements in or relating to radio receivers : en
  • CA416023A - Titanium bearing material chlorination : en fr
  • CA416046A - Telephone set : en fr
  • US2332718A - Toy train : en
  • US2332566A - Lighter : en
  • US2332652A - Manufacture of boxlike structures : en
  • US2333040A - Apparatus for testing bearings : en
  • USD136556S - Design fob a suction syringe : en
  • DE740890C - Device to prevent the overloading of Roentgen pipes : de en
  • FR886965A - Device for accurately measuring the movements of moving parts in machine tools : en fr
  • GB556946A - Improvements in or relating to the production of interpolyamides : en
  • FR886983A - Process for anchoring pre-tensioned reinforcing wires in the manufacture of reinforced concrete : en fr
  • GB556900A - Improvements in quick release coupling devices : en
  • DK61480C - Tire protector for bicycle wheels. : da en
  • US2332836A - Control equipment for prime mover driven synchronous generators : en
  • GR10171B - MACHINE MAKING LIGHTING AND GAS FUEL FOR LIGHTING AND HEATING OF HOMES AND STORES. : el en
  • FR886796A - Lubricating device for butt slides, in particular in locomotive drive mechanisms : en fr
  • FR886867A - Method and apparatus for cooling and comminuting molten calcium carbide : en fr
  • US2332794A - Cracking blended heavy crudes : en
  • US2333009A - Artificial limb : en
  • CH229462A - Watch. : en fr
  • USD136550S - Design for a handbag : en
  • FR886880A - Coke oven gas collection devices : en fr
  • DE739852C - Gun barrel in which the cartridge chamber or a part of it is formed by a part made as a single part and interchangeably connected to the barrel : de en
  • US2333028A - Battery pack : en
  • CH229375A - Process for showing stresses in civil engineering works. : en fr
  • US2333034A - Coated abrasive : en
  • US2332799A - Atomizer : en
  • BE452268A - : en fr
  • DE740806C - Device for storing fuel dust under protective gas : de en
  • DE740809C - Device for driving tunnels and crosscuts in solid rock : de en
  • DE740891C - Disinfectant supply form : de en
  • US2332976A - Track shoe for endless tracks : en
  • CH229459A - Spherical, astigmatic and comatic lens corrected for one or more colors. : de en
  • US2332946A - Apparatus for manufacturing phonographic disks : en
  • US2332672A - Container body feeding means : en
  • FR886858A - Priming device for starting internal combustion engines : en fr
  • FR886997A - Interference-suppressing voltage regulator, in particular for aircraft dynamo : en fr
  • US2332877A - Galvanometer coie support : en
  • US2332880A - Pantograph : en
  • DE740606C - Device for exercising the back and forth bending test on wires and sheets : de en
  • CH229442A - Floor. : de en
  • FR886994A - Method for reducing far-end crosstalk between telephone lines of unequal phases : en fr
  • CH229535A - Transmission method for color television pictures. : de en
  • FR886769A - Constant current generator excitation device : en fr
  • PL32202B1 - Stanislaw Borkowski, Warschau Electric, reflective box stove : en pl
  • US2332897A - Synthetic composition comprising hydrolyzed, acetalized, and/or ketalized copolymers of vinyl esters and unsaturated ketones containing at least one ch=c grouping : en
  • US2332693A - Magazine ejector for cameras : en
  • US2332944A - Electrode holder : en
  • DE740756C - Moving coil measuring device with unipolar magnet system : de en
  • FR886962A - Process for the extraction and refining of coal tar oils and shale oils : en fr
  • GB556963A - Improvements in or relating to means for securing chokes to pyrotechnic devices : en
  • US2332742A - Load-moving machine : en
  • DE740821C - Process for the production of secondary electron multipliers with flat mesh electrodes arranged one behind the other : de en
  • FR886909A - Thread grinding machine : en fr
  • US2332981A - Variable surface evaporator : en
  • US2332583A - Air conditioning and circulating apparatus : en
  • CA416038A - Railway car springing system : en fr
  • CH229519A - Contact device with a lifting contact that is periodically moved to and fro with respect to fixed contacts. : de en
  • US2332528A - Centerless grinder work support : en
  • FR886924A - Confectionery, jams and fruit jellies made from grape sugar : en fr
  • FR886938A - New use of plastics for making shoes : en fr
  • GB556832A - Spring forks for cycles and motor cycles : en
  • US2332726A - Method of making metallic bats : en
  • BE452413A - Improvements to coverings based on bitumen, pitch or the like, in particular in planks, sheets or the like : en fr
  • US2332574A - Diamond girdling machine : en
  • BE452153A - : en fr
  • CH229538A - Inner shoe brake. : de en
  • US2332508A - Steam generator : en
  • CH229423A - Process for the preparation of a mixture of carboxylic acids. : de en
  • CH229485A - Device for connecting two ends of tape. : en fr
  • CH229490A - Coupling mouthpiece with undercut lubrication nipples. : de en
  • CA415971A - File recording device : en fr
  • CH229398A - Car wash. : de en
  • CH229435A - Permanent cover with exchangeable stack of perforated paper sheets. : de en
  • CH229391A - Method and device for the production of tops from endless synthetic fiber bundles. : de en
  • DE740787C - Device for the automatic, alternating delivery of warm and cold water for interchangeable shower baths : de en
  • FR886941A - Synchronized switch : en fr
  • PL32228B1 - Eclipse flviation Corporation, East Orange, NJ Pneumatic motor starter Patent pending Patent No. 28460 : en pl
  • US2332989A - Toy fence : en
  • US2333039A - Telephone system : en
  • US2332732A - Stressed panel double wall construction : en
  • US2332648A - Aircraft : en
  • CH229486A - Pocket lighter. : de en
  • CH229503A - Method for manufacturing carbon cables with a cable head for electrical machines. : de en
  • US2332804A - Display stand : en
  • FR886903A - Water soluble azo dyes and method of preparation : en fr
  • US2332849A - Softening agent for high polymeric substances : en
  • US2333078A - Furnace construction : en
  • FR886862A - Process for manufacturing rock drill crowns provided with diamonds set in the annular work surface : en fr
  • FR886873A - Method and apparatus for weaving pieces of fabric on looms : en fr
  • US2332571A - Stamp holder : en
  • US2332985A - Condition responsive instrument : en
  • FR886915A - Artificial fibers and solutions for their manufacture : en fr
  • CA415973A - Camera view finding and focusing device : en fr
  • CH229491A - Procedure for lowering braking of three-phase hoist motors. : de en
  • CH229504A - Device for reactive power control in line networks. : de en
  • GB556990A - Improvements in or relating to electromagnetic interrupters : en
  • DE740630C - Device for the back of the face conveyor : de en
  • CA416054A - Alloy piston : en fr
  • US2332660A - Wiper arm : en
  • CH229563A - Child bike seat. : de en
  • GB556928A - Improvements in or relating to automatic or semi-automatic telephone systems : en
  • DE740926C - Arrangement for controlling steam or gas discharge paths, which are used to switch the electricity on and off for resistance welding machines : de en
  • DE740649C - Multipole thermal and electromagnetic overcurrent relay : de en
  • US2332936A - Polishing disk : en
  • US2332949A - Process for making aldol : en
  • US2332555A - Process for producing tertiary alkyl phenols : en
  • US2333044A - Governing mechanism : en
  • US2332585A - Fluid motor mechanism : en
  • US2332602A - Safety wrench : en
  • FR886833A - Automatic weapon : en fr
  • US2332596A - Resistor device : en
  • PL32227B1 - Hazeltine Corporation, Jersey City, New Jersey High frequency coil and an array of inductors for several frequency ranges containing such a coil : en pl
  • CH229411A - Process for the preservation of blood plasma and other protein-containing liquids. : de en
  • CA416009A - Pulp digester control apparatus : en fr
  • AU723742A - Improvements in or relating to radio receivers : en
  • CH229545A - An elastic suspension device for at least part of a vehicle. : en fr
  • US2332673A - Seat cover holder : en
  • US2332733A - Method of making porous metal : en
  • FR886798A - Flexible hose for the delivery of gaseous fluids : en fr
  • CH229483A - Device for conveying and treating chopped potatoes in the heat. : de en
  • PL32259B1 - N. V. Philips' Gloeilampenfabrieken, Eindhoven System with discharged discharge spaces, filled with gas or steam, for electric resistance welding : en pl
  • US2332787A - Valve for oil wells : en
  • CA416001A - Web splicing method : en fr
  • US2333047A - Spindle brake : en
  • US2332698A - Automatic brake control : en
  • US2332870A - Process for the manufacture of cellular rubber : en
  • US2332812A - Piling bar : en
  • CH229527A - Process for the production of l-ascorbic acid. : de en
  • CA416002A - Refrigerating apparatus : en fr
  • CA416013A - Heat-insulating covering : en fr
  • BE452322A - Process for degreasing hides and skins : en fr
  • CH229377A - Method and device for compacting material. : de en
  • US2333052A - Electrical discharge device : en
  • CA416049A - Signalling system : en fr
  • CH229518A - Contact device for switches with prescribed opening and closing times. : de en
  • DE740732C - Three-phase electrode furnace for the production of calcium carbide, alloys or other electrothermally melted products : de en
  • DE740807C - Pneumatic tube system : de en
  • FR886955A - Improvements to combined nozzles for gasifier for the production of water gas : en fr
  • GB556985A - Improvements in electromagnetic brakes : en
  • US2332700A - Cooling means for catheads : en
  • CA415978A - Wheel structure : en fr
  • DE740788C - Device for facilitating the removal of ampoules that are flexibly stored in individual compartments of a hinged container by means of springs : de en
  • CH229474A - Quick vice, in particular for machine tools. : de en
  • CA416034A - Rock drill : en fr
  • CA416015A - Collimator : en fr
  • USD136574S - Combined cigarette holder and ash tray : en
  • FR886830A - Support and locking device for bicycles : en fr
  • DE740689C - Double cage armature for three-phase motors : de en
  • DE740729C - Device for the compulsory transmission of partial rotations to signal boxes : de en
  • DE740901C - Cooling air ducting, located in the front of the vehicle, for reducing the internal and external air resistance at the same time in slippery motor vehicles : de en
  • CA416051A - Signalling system : en fr
  • US2332885A - Telephone system : en
  • CH229493A - Method for fastening the blades of gas and steam turbines by welding them onto the blade carrier as well as a turbine part manufactured according to this method. : de en
  • US2332677A - Insertion of fastenings : en
  • US2332517A - Ctanine djtesttjff intermediates : en
  • US2332797A - Extensometer : en
  • CH229553A - Reflex camera with focal plane shutter. : de en
  • CH229484A - Device for applying luminous material to workpieces. : de en
  • CH229443A - Card game. : de en
  • CH229473A - Milling tool for re-milling bead-shaped seats on line valves. : de en
  • US2332540A - Method and apparatus for receiving frequency modulated waves : en
  • US2332557A - Safety electric cutting and cleaning device for garments and the like : en
  • PL32254B1 - Rheinmetall-Borsig .flktiengesellschaft / Werk Borsig Berlin-Tegel, Berlin-Tegel Cooling unit with scraper screwdriver, especially suitable for the dewaxing of mineral oils : en pl
  • FR886950A - Improvements to cinema projectors : en fr
  • GB556908A - Improvements relating to disc clutches : en
  • BE452242A - : en
  • US2333019A - Pulsator for milking apparatus : en
  • GB556894A - Improvements in the production of branched chain alkanes : en
  • DE740887C - Multipole overcurrent protection : de en
  • USD136566S - Design for a combined toothbrush : en
  • US2332851A - Installation bracket for venetian blinds : en
  • FR886865A - Electric machine, small model : en fr
  • CH229405A - Garment as weather protection for stockings and shoes. : de en
  • FR886991A - Heating body for the indirect production of steam : en fr
  • FR886844A - Improvements to zipper teeth and their manufacture : en fr
  • GB556830A - Improvements in the manufacture of dipentaerythritol esters : en
  • GB556896A - Improvements relating to the production of branched chain alkanes : en
  • FR886776A - Improvements to so-called <dead fish> frames used for fishing : en fr
  • FR886957A - Process for manufacturing aqueous emulsions of liophilic products : en fr
  • GB556929A - Improvements in or relating to automatic or semi-automatic telephone systems : en
  • FR886781A - Process for chromating dyes for mordants and dyes obtained by this process : en fr
  • GB556857A - Improvements in and relating to pipe joints : en
  • FR886884A - Gearbox for agricultural tractors and the like : en fr
  • PL32199B1 - Jacques Muller, La Garenne Colombes Connection for pipes : en pl
  • FR886999A - Self-braking centrifugal : en fr
  • DE740799C - Car bodies, especially for motor vehicles : de en
  • US2332881A - Cathode ray tube arrangement : en
  • US2332998A - Tool for handling batteries : en
  • US2333061A - Insecticide : en
  • DE739953C - Process for purifying lactams : de en
  • FR886855A - Fast stump grinder : en fr
  • DE740915C - Electrical cable with seamlessly pressed aluminum jacket : de en
  • US2332848A - Stretchable laminated fabric and manufacture of same : en
  • DE739770C - Process for the pretreatment of vegetable matter containing tannin intended for extraction : de en
  • GB556982A - Improvements in compression ignition oil engines : en
  • CA415974A - Electric line connector : en fr
  • GB556911A - Improvements in and relating to actuators for automatic fire extinguishing systems : en
  • US2332625A - Assembly jig : en
  • US2333025A - Angle drill : en
  • FR886943A - Frame for metal joinery in tubular profiles : en fr
  • GB556869A - Means for eliminating the effects of temperature variations on the position of a tool-holder or like part in machines and instruments : en
  • GB556956A - Improvement in balanced rotary pumps : en
  • US2332521A - Antigenic composition : en
  • US2332793A - Refining of mineral oils : en
  • DE740841C - Cases for pocket and wrist watches : de en
  • DE740888C - Method for fastening pole pieces in the stand housing of electrical machines : de en
  • GB556999A - Improvements in and relating to adaptors for photographic apparatus : en
  • FR886952A - Window with balanced glass and automatic locking : en fr
  • CA415972A - Surveying instrument : en fr
  • CH229432A - Mixed fertilizer. : de en
  • US2332766A - Electrical outlet : en
  • US2332834A - Process for the preparation of higher unsaturated aliphatic alcohols : en
  • FR886774A - Elastic rim wheel : en fr
  • DE740621C - Procedure for the commissioning of converter systems with devices for forced commutation : de en
  • DE740882C - Telephone with a magnet system arranged in a housing made of molded insulating material, injection molding or similar : de en
  • US2332861A - Instrument case : en
  • US2333030A - Carburetor : en
  • US2332689A - Garment sizing and shaping form : en
  • US2332955A - Method and apparatus for making artificial sponges : en
  • GB556864A - Improvements in or relating to the control of apparatus for supplying pulverised gas-entrained solid material : en
  • DE740720C - Device for robbing iron pit stamps : de en
  • CH229549A - Block installation in railway systems. : de en
  • US2332564A - Treatment of hydrocarbons : en
  • DE740607C - Device for milling the hollow cylindrical deflection surfaces of turbine blades : de en
  • FR886975A - Manufacturing process of synthetic cation exchange resins : en fr
  • US2332894A - Corn cutting machine : en
  • US2332983A - Device for checking the profile of workpieces : en
  • US2332830A - Control mechanism for pressing machines : en
  • GB556958A - Improvements in devices for holding razor blades for stropping and like purposes : en
  • USD136570S - Design for an inspection light : en
  • GB556944A - Improvements in or relating to heat insulation material : en
  • DE740761C - Transport lock for vessel barometer : de en
  • FR886934A - Switch training : en fr
  • US2332516A - Flutter and vibration prevention device for control surfaces : en
  • GB556893A - Improvements in or relating to the production of stable emulsions containing the reaction product of a water-insoluble reactant and a water-soluble reactant : en
  • DE740895C - Magnetically stressed objects : de en
  • DE740898C - Device for reproducing sound scripts with veils of color : de en
  • DK61484C - Filling device by Filling pens. : da en
  • CH229495A - Four-stroke gas engine. : de en
  • FR886763A - Centrifugal force coupling with spring loaded weights : en fr
  • BE452482A - Superpolyamide treatment process : en fr
  • US2332953A - Apparatus for indicating and adjusting the specific gravity of suspensions : en
  • US2332809A - Glow switch : en
  • US2332970A - Drive mechanism for crawler tractors : en
  • FR886799A - Printing roller : en fr
  • FR886857A - Improvements to enrichment gas installations for gasifiers : en fr
  • FR886759A - Sealing device for push-button switch : en fr
  • CA415981A - Engine controlling means : en fr
  • US2333059A - Two color injection die : en
  • US2332637A - Continuous envelope : en
  • US2332728A - Bank check cover : en
  • FR886889A - Improvements to propulsion nozzles and the aerodyne components to which they are associated : en fr
  • DE740754C - Device for eliminating arcing faults by briefly interrupting the phase lines in three or multi-phase systems : de en
  • DE740766C - Floor for buses : de en
  • GB556939A - Improved method of and apparatus for removing dust or other foreign particles from gas or air : en
  • FR886751A - Kaleidoscope stand : en fr
  • FR886899A - Process for the production of polychrome images with sound recording : en fr
  • CH229425A - Process for the preparation of an azo dye. : de en
  • USRE22386E - Material loading apparatus : en
  • FR886892A - Charger for film or photographic film : en fr
  • GB556931A - Improvements in or relating to cartridge-belt guides for machine guns : en
  • GB556845A - Improvements in or relating to valves for liquid pressure remote control systems : en
  • DE740839C - Sorting belt system for piece goods, which is fed to the collecting belts by means of radiating slides : de en
  • US2332908A - Fuel injection means for supercharged aircraft engines : en
  • GB556978A - Improvements in and relating to mobile fire fighting apparatus : en
  • FR886818A - Combustion engines running on gasifier gas : en fr
  • DE740470C - Process for the accelerated and stress-free hardening of concrete using heat : de en
  • FR886949A - Electro-mechanical device for controlling feed movements in machine tools : en fr
  • FR886762A - Centrifugal force coupling : en fr
  • FR886982A - Process for finishing vegetable fibers or yarns or fabrics produced with these fibers : en fr
  • GB556988A - Improvements in or relating to building structures : en
  • GB556989A - Device for determining length of walking stick or the like to suit purchaser : en
  • FR886802A - Device for spray drying dispersions and similar products : en fr
  • US2333003A - Clutch sleeve : en
  • US2333017A - Vacuum cleaner : en
  • FR886792A - Thermally insulating spacer, for metal walls : en fr
  • GB556971A - Improvements in or relating to apparatus for feeding blanks to punching and like machines : en
  • US2332549A - Submarine craft : en
  • DE740723C - Process for the preparation of sulfonic acid ethyleneimides : de en
  • FR886824A - Process for preparing acetylenic polymers, in particular monovinyl-acetylene : en fr
  • GB556960A - Improvements in or relating to gas producers particularly for motor vehicles : en
  • GB556848A - Improvements in slug trimming mechanism for typographical slug casting machines : en
  • GB556890A - Improvements in gear pumps : en
  • CH229441A - Device for applying substances to surfaces, in particular for applying wax to the running surfaces of skis. : de en
  • US2332542A - Bituminous emulsion and method of preparing same : en
  • US2332747A - Priming oiler for centrifugal force feed lubrication : en
  • US2333021A - Quick-setting duplex toolholder : en
  • USD136558S - Design for a wrist watch strap : en
  • US2332717A - Continuous film exhibitor : en
  • CA416035A - Timber connector : en fr
  • DE740860C - Electrically powered vacuum cleaner : de en
  • FR886913A - Automatic scouring boiler hearth composed of tubular heating elements and accelerators : en fr
  • DE740763C - Process for the continuous remote transmission of measured quantities : de en
  • CH229390A - Method for producing a tight seam connection between the sheet metal end part and the plastic jacket of a container. : de en
  • CH229466A - Solder for workpieces made of aluminum. : de en
  • PL32219B1 - Walter Osthoff, Wuppertal-Elberfeld M) Zt) J3 / 00 Air distributor, especially for gas shelters : en pl
  • US2332852A - Fastener and fastener installation : en
  • US2332997A - Flag holder : en
  • US2332735A - Beverage preparation and method of making the same : en
  • USRE22385E - coffey r : en
  • DE740836C - Process for the surface coloring of objects made of plastics of any kind : de en
  • US2332670A - Aerial bomb : en
  • US2333057A - Railway truck : en
  • GB556888A - Improvements relating to magnetic apparatus for testing iron or steel articles : en
  • DK61470C - First. : da en
  • GB556953A - Improvements in or relating to fluid pressure motors : en
  • PL32214B1 - A method of producing a cleaning agent : en pl
  • US2332565A - Altimeter or the like : en
  • GB556904A - Improvements in and relating to detachable tyre treads for vehicle wheels : en
  • US2332656A - Knife : en
  • FR886988A - Manufacturing process of p-aminobenzenesulfonamidopyrimidines : en fr
  • GB556874A - Improvements in or relating to toys : en
  • US2332640A - Press : en
  • DE739529C - Device for the automatic coloring of bricks, plates, etc. like : de en
  • GB556852A - A improved frequency-modulated oscillation generator : en
  • DE740910C - Anchoring of markers made of thin, flexible material : de en
  • CA416027A - Paraffin alkylation process : en fr
  • DE740673C - Hand or stick brooms : de en
  • DE740777C - Fastening device for the rotating permanent magnet of a small magneto-electric machine on the shaft : de en
  • FR886890A - Device for cultivation on beating land and method of use : en fr
  • US2333004A - Power unit mounting for tandem rollers : en
  • CH229488A - Neck bearing. : de en
  • US2332626A - Button loop : en
  • DE740581C - Machine for assembling and shaping footwear parts : de en
  • PL32217B1 - HKP FohA *, Barmer Maschinenfabrik flktiengesellschaft, Wuppertal — Oberbarmen Pre-burst pump for machines for separating artificial silk : en pl
  • PL32192B1 - Ringhoffer-Tatra Werke R. G., Prague Air supply to the engine compartment of air-cooled vehicles with airline rear engine : en pl
  • US2332523A - Ground track tracer and landing recorder : en
  • US2332612A - Plow : en
  • USD136544S - Wallpaper boeder or similar article : en
  • USD136580S - Design fob an airplane : en
  • PL32236B1 - The method of producing oxide cathodes : en pl
  • DE739685C - V. visor for inclined turntable arrangement : de en
  • DE740687C - Electromagnetic protection : de en
  • CH229436A - Typewriter. : en fr
  • US2332832A - Milk production curve : en
  • GB556841A - Improvements relating to taps for use in cutting screw-threads : en
  • US2332744A - Basket handle : en
  • GB556955A - Improvements in or relating to burners for liquid fuel : en
  • CH229447A - Rotation tester for twist projectile fuze with centrifugal drive. : de en
  • US2332740A - Control mechanism for fluidactuated devices : en
  • US2332842A - Musical device : en
  • DK61461C - Process for the Preparation of α- (4-Methyl-phenyl) -β-methylamino-propane. : da en
  • US2333016A - Paper fastener : en
  • CA415998A - Frequency changer set : en fr
  • CH229453A - Hydraulic hardness testing machine. : de en
  • US2332686A - Earth mover : en
  • US2333038A - Telephone system : en
  • CA415995A - Electric dynamometer : en fr
  • CH229508A - Pneumatic circuit breaker. : en fr
  • FR886878A - Micrometric gauge for bores : en fr
  • PL32194B1 - Ringhoffer-Tatra Werke, fl. G., Prague Body offering reduced resistance to the air : en pl
  • US2332645A - Station selecting system : en
  • CA416045A - Telephone set : en fr
  • US2332659A - Bearing cleaning and lubricating system : en
  • FR886819A - Process and device for the manufacture of vinyl chloride : en fr
  • GB556912A - Improved method of introducing elements emitting bactericidal rays into empty vessels for sterilizing the interiors of said vessels and for withdrawing same therefrom after the sterilization and apparatus therefor : en
  • CH229368A - Device adaptable to agricultural hand tools. : en fr
  • US2332589A - Container and its manufacture : en
  • US2332695A - Vacuum breaker : en
  • CA416033A - Strip severing and bursting machine : en fr
  • CA416055A - Textile material : en fr
  • US2332768A - Package for granular material : en
  • US2333005A - Method for retaining insulators within tubes : en
  • DE740627C - Control device for aircraft : de en
  • DE740817C - Device for generating or amplifying ultra-high frequency electrical oscillations by coupling out electron energy from discrete electron bunches : de en
  • US2332554A - Electric switch : en
  • US2332743A - Planter clutch construction : en
  • US2332886A - Apparatus for drying sheets : en
  • DE740867C - Device for monitoring the balance between the effects of the brakes on a vehicle : de en
  • CA416022A - Titanium bearing material chlorination : en fr
  • USD136561S - Sold star memorial plaque : en
  • US2332950A - Process of electric welding : en
  • US2332570A - Gear cutting machine : en
  • US2332594A - Garment hanger cover : en
  • US2332982A - Water filter : en
  • US2333056A - Turret type injection press : en
  • US2332533A - Tracer mechanism : en
  • DE740810C - Mountain pressure indicator for Vorpfaender : de en
  • DE740863C - Process for the production of synthetic resins from dicyandiamide : de en
  • DE740783C - Square root eraser with knee joint : de en
  • DE740708C - Process for the production of photosensitive layers for the silver sheet process : de en
  • CA416016A - Fuel tank or container : en fr
  • PL32196B1 - A method of making thread, sheet and the like by losing solutions : en pl
  • US2332929A - Safety ash tray : en
  • FR886849A - electrostatic precipitator for gasifier gas vehicles, in particular for trucks : en fr
  • GB556838A - Improvements relating to centrifugal clutches : en
  • US2332859A - Shaft coupling : en
  • US2332895A - Synthetic composition comprising hydrolyzed, acetalized, and/or ketalized copolymersof vinyl esters and unsaturated organic ethers : en
  • US2332956A - Apparatus for casting lead ballast : en
  • DE740661C - Liquid cooling device for internal combustion engines in vehicles : de en
  • DE740785C - Process for surface protection of zinc and zinc alloys by treatment with alkaline chromate solutions : de en
  • CA415980A - Scrubbing and polishing apparatus : en fr
  • GB556961A - Improvements in and relating to refrigerator cabinets : en
  • DE740904C - Machine for packing and / or labeling boxes or the like. : de en
  • FR886953A - Bi-metal pad : en fr
  • GB556835A - Improvements in or relating to electric soldering irons : en
  • GB556917A - Improvements in or relating to the removal of lacing from shoe uppers or machines adapted for use for such removal : en
  • DE740696C - Process for the preparation of substituted anthraquinones and the corresponding aroylbenzoic acids : de en
  • DE740609C - Device for buckling up people in vehicles, in particular aircraft : de en
  • DE740719C - Flow safety shut-off device for gas lines : de en
  • DE740921C - Synchronous machine with damper winding : de en
  • DE740695C - Process for joining copper and light metal parts by electrical resistance butt or flash welding : de en
  • FR886948A - Improvements to traction motor refrigerants : en fr
  • DE740905C - Safety device for gas tap and hose : de en
  • GR10172B - IRON RAT BUMPERS. : el en
  • GB556948A - Improvements in or relating to axle boxes : en
  • GB556902A - Improvements in or relating to hulls or bodies for boats, vehicles and aircraft : en
  • GB556968A - Improvements in and relating to surgical plaster : en
  • US2332706A - Building construction : en
  • FR886872A - Machine tool : en fr
  • CH229449A - Length testing device for workpieces that are intended for replacement. : de en
  • US2332972A - Wrench construction : en
  • US2332984A - Cleaning device for pipe lines : en
  • DE740852C - Commuter ventilation for electrical machines : de en
  • GB556880A - Improvements in or relating to pneumatic hammering tools, and improved distributor valve assemblies suitable for use in pneumatic hammers : en
  • DE740868C - Device for driving a compressor in internal combustion engines : de en
  • DE740691C - Procedure for testing or calibrating single-phase measuring devices, in particular counters : de en
  • US2332504A - Supporting device : en
  • GB556932A - Improvements in remote controls for collectively or selectively contrlling the firing of automatic guns : en
  • DE740620C - Device for quick and smooth reversing of motors operated in Leonard circuit : de en
  • FR886843A - Machine for cutting metals and other materials by means of a flexible cutting element, consisting of a helical wire : en fr
  • DE740694C - Ionometric measuring device with a large ionization chamber : de en
  • US2332541A - Magnetostrictive oscillator : en
  • US2333048A - Extension bracelet : en
  • US2332657A - Chainstitch inseam shoe sewing machine : en
  • CH229403A - Process to prevent the rubber threads from sliding at certain points in articles of daily use made entirely or partially from elastic textile products. : de en
  • DE740917C - Liquid drive for electrical high-voltage switches : de en
  • FR886839A - Improvements made to devices for selectively triggering operations following one another at different frequencies, in particular those for the automatic control of mechanisms for cleaning and supplying the cooking grates : en fr
  • FR886893A - Process for the preparation of carbocyanine dyes : en fr
  • PL32243B1 - Franz Carniel, Wiener Neustadt (fo ^ {2Ól fó / Oo Commercial book team : en pl
  • CA416021A - Radio receiver control device : en fr
  • PL32231B1 - : en pl
  • US2332978A - Apparatus for hot dip coating of metals : en
  • US2332792A - Flexible fiber composition : en
  • US2332887A - Process for separating carbonic acid from gas mixtures containing carbonic acid : en
  • US2332605A - Filing apparatus : en
  • DK61465C - Synchronous motor of the smallest design, in particular for Indicators for navigation purposes. : da en
  • DE740724C - Speed controller for turbines and engines : de en
  • GB556853A - Improvements in and relating to centrifugal pumps : en
  • US2332928A - Internal combustion engine : en
  • US2333007A - Centrifugal clutch : en
  • US2333018A - Vertical-axis canister-type vacuum cleaner : en
  • US2333074A - Fabric drawoff means for textile machines : en
  • US2332922A - Magnetic circuit comprising a laminated coiled core : en
  • US2332667A - Gauge : en
  • US2332771A - Pen : en
  • DK61483C - Alarm Device to Prevent Theft of Bicycles. : da en
  • GB556860A - Improvements in or relating to electrical signalling systems : en
  • US2332911A - Snap action device : en
  • FR886984A - Process for the dehalogenation of halogen adducts to unsaturated derivatives of the pregnane series, in particular to keto-hydroxylated derivatives belonging to this series : en fr
  • GB556936A - Mining machines : en
  • GB556983A - An improved system for cooling aero engines and de-icing propellers : en
  • US2332497A - Determination of sodium hydroxide in presence of the aluminate : en
  • GB556851A - Means for controlling motor vehicles by steering wheel : en
  • GB556856A - A device for measuring changes of distance between two relatively movable parts such as parts of machine tools : en
  • FR886998A - Obturator, in particular for fuel or cooling water tanks of motor vehicles : en fr
  • DE740623C - Device for testing materials or components for tensile pressure or alternating tensile, compressive, bending or twisting loads : de en
  • CH229546A - Device for the detachable fastening of towbars on bicycles. : de en
  • CH229384A - Box with handle for storing household cleaning utensils. : de en
  • US2332986A - Engine starting device : en
  • CH229381A - Charcoal gasifier for light vehicles. : en fr
  • US2332529A - Coaxial transmission line : en
  • US2332664A - Motor : en
  • AU704842A - Improved mixing valve for use with suction gas producers : en
  • CH229511A - Rotary lever switches, in particular for electrical systems on vehicles. : de en
  • CH229397A - Process for preparing a product for dyeing hair. : en fr
  • CH229480A - Cutting tool. : de en
  • CH229431A - Polyisobutylene mixture. : de en
  • US2332545A - Magazine frame : en
  • US2332818A - Test apparatus : en
  • US2332765A - Handle-attaching device : en
  • US2332879A - Means adapted to vary the coupling of inductances, especially for radio frequency apparatus : en
  • US2332495A - Flat belt : en
  • US2332616A - Cultivator : en
  • CA415984A - Telephone dial illuminator : en fr
  • CA416007A - Laminated film protected surface : en fr
  • US2332587A - Testing device for camera synchronizers : en
  • US2332722A - Hosiery-fit tester : en
  • CA415982A - Unitary structural system : en fr
  • PL32210B1 - Maybach — Motorenbau Gesellschaft mit beschrankter Haftung, Friedrichshafen a / B. Hydraulic transmission, especially for motor vehicles : en pl
  • US2332690A - Remote control mechanism : en
  • US2332811A - Limiter circuit : en
  • FR886765A - Sewn sheet of synthetic linear polymers with a high degree of polymerization : en fr
  • US2332736A - Oil burning heating unit : en
  • US2332906A - Process for preparation of sulphonamide derivatives : en
  • FR886831A - : fr
  • GB556950A - Improvements in or relating to the manufacture of ropes, lines, cords and the like : en
  • DE740477C - Cold carrier : de en
  • US2332720A - Tractor-mounted implement : en
  • PL32224B1 - Jan Kraskowski, Warschau and Kazimierz Paszynski, Warschau Wicker cutting device : en pl
  • US2332714A - Garment : en
  • US2332749A - Tubing anchor : en
  • US2332754A - Wheel : en
  • AU705542A - Ceramic material of high mechanical and thermal strength : en
  • US2333032A - Rubber mixture : en
  • FR886977A - High pressure brake valves, for automobile trains : en fr
  • DE740820C - Arrangement for the direct display of the phase difference between two AC voltages of the same frequency : de en
  • DE740685C - Four-stroke control switch for parallel, individual and series connection of heating resistors : de en
  • FR886936A - Balance torsion spring for mechanical rocket clockwork for projectiles : en fr
  • US2333058A - Railway truck structure : en
  • DE740880C - Heating plate with electrical heating for vulcanizing presses, especially for the production of rubber clichés : de en
  • GB556934A - Improved step-by-step actuated electric switch mechanism : en
  • DE740715C - Process for the production of cinder blocks with indestructible color effects, especially as guide and warning stones : de en
  • US2332917A - Filtering apparatus : en
  • FR886846A - Manufacturing process for nitrogenous aldehyde derivatives : en fr
  • DE740876C - Stripes for wreaths, in particular Roman wreaths, made from connected artificial leaves : de en
  • GB556833A - Improved fastener for lids or covers of boxes, cases and the like : en
  • US2332633A - Enclosed switch : en
  • US2332703A - Cement-fiber board : en
  • GB556996A - Improvements in and relating to refrigeration apparatus : en
  • FR886791A - Improvements to angle of attack and course indicators for airplanes : en fr
  • CH229420A - Process for the production of Dekahydro-B-naphtol. : de en
  • DE740617C - Process for the measurement of high frequency currents, voltages and powers by optical means : de en
  • DE740815C - Heating bath for steel : de en
  • FR886920A - New metalloplastic gasket in non-copper metal : en fr
  • US2332632A - Guard : en
  • US2332854A - Rotary operative fastener : en
  • USD136552S - Washing machine or similar article : en
  • FR886966A - Aeromotor propeller with regulator system : en fr
  • FR886979A - Compass based on the action of the earth's magnetic field : en fr
  • FR887000A - Installation for the treatment of milk, comprising a centrifuge or skimmer without foam and behind which is mounted a heater : en fr
  • GB556949A - Improvements in bobbin-identifying devices for yarn and like winding-machines : en
  • DE740601C - Support between machine and boiler in boiler steam engines : de en
  • FR886894A - Camera with photoelectric light meter : en fr
  • FR886942A - Automatic control for gear change : en fr
  • US2332701A - System and method of grinding : en
  • US2332853A - Device for preventing separation of picker stick feet and stands : en
  • US2332530A - Apparatus for the manufacture of handle attachments for paper bags : en
  • US2332829A - Process of making casein plastic products and apparatus therefor : en
  • DE738828C - Method for feeding wire rods in welding electrode wrapping devices and device for carrying out the method : de en
  • DK61488C - Apparatus for hoisting and stretching banner-like fabric webs. : da en
  • GB556937A - Ball and socket unit : en
  • GB556910A - Improvements in or relating to propeller spinners : en
  • US2333066A - Control means : en
  • CH229512A - Toggle lever mechanism trigger actuated by a bimetal strip. : de en
  • USD136572S - Combined cigarette holder and ash tray : en
  • PL32222B3 - Heating by means of condensate water, steam heating of vehicles on rails : en pl
  • CH229522A - Articulator. : de en
  • US2332965A - Strainer : en
  • US2332730A - Refrigerating apparatus : en
  • US2332862A - Power control unit : en
  • CA416006A - Coal treating composition : en fr
  • US2332803A - Method and apparatus for reducing metal bodies : en
  • US2332806A - Farm implement foretruck : en
  • CH229501A - Gas turbine system in which at least part of the working fluid performs a cycle. : de en
  • US2332858A - Door : en
  • US2333071A - Clamp : en
  • CH229401A - Method of making corners on soft garments envelopes. : de en
  • US2332823A - Extraction of sugar process water : en
  • US2332899A - Synthetic composition comprising hydrolyzed, acetalized, and/or ketalized copolymersof vinyl esters and organic nitriles containing at least one ch=c grouping : en
  • US2332499A - Method and apparatus for punching tie plates : en
  • US2332778A - Preparation of chlor-iso-olefins : en
  • CH229455A - Directly displaying frequency measuring device. : de en
  • BE452240A - Process for preparing thioamides : en fr
  • US2332905A - Cooling bed : en
  • CH229468A - Network-like structure and method and device for its production. : de en
  • CH229388A - An attachment having a water container for placing on cookware. : de en
  • CH229399A - Washer with impeller. : de en
  • CH229533A - Scale arrangement for radio receivers. : de en
  • US2333022A - Record binder : en
  • US2332739A - Power arrangement for agricultural implements : en
  • US2332758A - Method of making starch conversion products : en
  • USD136579S - Design foe an ash tray : en
  • DE740842C - Auxiliary device for aligning the pallets of watch anchors : de en
  • CH229479A - Process for the impregnation of wood bodies and device for carrying out the process and wood bodies impregnated by the process. : de en
  • CH229502A - Standing tubular boiler. : de en
  • CH229507A - Device with electrical timing circuits having capacitors for controlling a discharge path. : de en
  • CA416042A - Metal coated paper : en fr
  • FR886788A - High frequency pulse counter : en fr
  • US2332764A - Sampling machine : en
  • GB556933A - Improvements in means for loading bombs on aircraft : en
  • US2332876A - Braun tube : en
  • DE740753C - Remote timer switch with thermal control : de en
  • FR886836A - Load switch for step transformers : en fr
  • US2332884A - Drier : en
  • CH229467A - Process for seam welding with alternating current. : de en
  • US2332835A - Baby jumper : en
  • DE740742C - Process for polishing aluminum, zinc, iron and bulk metal goods in a roller or scrubbing drum : de en
  • PL32248B1 - Ycreinigte Gliihlampen und Elektrizitats Aktiengesellschaft, djpest Tube amplifier circuit, including electron multiplier tubes : en pl
  • US2332697A - Engine governor : en
  • US2333076A - Method of making glass articles : en
  • PL32235B1 - A method of producing tannins resistant to the action of light : en pl
  • PL32238B1 - A method of producing liquid fuel with high anti-knock value for driving internal combustion engines by thermal decomposition of wood, peat and other plant materials, and a device for carrying out this method : en pl
  • US2332518A - Thermostat : en
  • US2332810A - R placje : en
  • AU117617B2 - Steatite type ceramic material : en
  • CA415977A - Wheel trim ring applying apparatus : en fr
  • CH229428A - Process for the production of an adhesive. : de en
  • DE740704C - Drive for fuel injection pumps with stroke control for internal combustion engines with internal fuel injection : de en
  • US2332519A - Casein resin product and preparation thereof : en
  • CH229416A - Process for carrying out reactions with the formation of water in organic compounds. : de en
  • US2332785A - Remote control apparatus : en
  • US2332819A - Recording apparatus : en
  • CA415987A - Windshield wiper mechanism : en fr
  • DE740638C - Process for the preparation of pyridines in addition to nitriles, etc. : de en
  • DE740848C - Vehicle self-coupling, especially for conveyor wagons : de en
  • CA416004A - Paper coating process : en fr
  • CH229402A - Removable cuff for clothes. : de en
  • US2333072A - Electric storage battery : en
  • US2332511A - Signature writing apparatus : en
  • US2333037A - Transmission gear : en
  • USD136545S - Wallpaper border or similar article : en
  • CH229367A - Step drilling device for rotary drilling. : de en
  • IE16516L - Piperidine derivatives : en
  • FR886881A - Nozzle for gasifier : en fr
  • GB556892A - Improvements in or relating to record cards and punches for use therewith : en
  • GB556920A - Improvements in or relating to selector operating circuits for use in automatic telephone or like systems : en
  • US2332532A - Dual pattern controlled machine tool : en
  • US2333029A - Diesel fuel : en
  • US2332874A - Railway signaling system : en
  • US2332882A - Heat exchanger system : en
  • CH229536A - Wrapped object with label and method for producing the wrapped object. : de en
  • US2333063A - knitting machine : en
  • DE731422C - Current control resistor : de en
  • PL32229B1 - Telefunken Gesellschaft fur Drahtlose Telegraphie m. B. H., Berlin Discharge lamp with at least two helical mesh electrodes : en pl
  • US2332591A - Incinerator : en
  • DE740624C - Device for testing cartridge cases : de en
  • GB556889A - Improved platform type shoe and method of manufacturing thereof : en
  • DE739952C - Process for the production of ª ‡ -Piperidino-phenylessigsaeureamid : de en
  • DE740610C - Adjustable rotating screen for darkening signal lamps : de en
  • US2332826A - Method of fabricating flexible spools : en
  • GB556924A - Improvements relating to the manufacture of inner tubes for pneumatic tyres : en
  • US2332699A - Automatic speed indicator : en
  • US2332559A - Manufacture of sheet material : en
  • DE740737C - Device for recording coordinates on a running recording strip : de en
  • FR886815A - High pressure tank : en fr
  • DE740790C - Process for obtaining protein from blood : de en
  • FR886925A - Cooled grate and control devices for solid fuels : en fr
  • US2332977A - Space discharge device and circuits : en
  • US2333001A - Automatic lighter and display device : en
  • CA416024A - Static eliminating apparatus for aircraft : en fr
  • US2332510A - Cutter grinder : en
  • US2332595A - Combined doughnut and biscuit cutter : en
  • US2332621A - Valve : en
  • US2333015A - Variable reactance device : en
  • US2332498A - Shaver : en
  • US2332974A - Halogenated vinyl compound : en
  • US2333014A - Portable container : en
  • US2333000A - Explosion prevention control for dry-cleaning machines : en
  • PL32233B1 - A device for the purification of producer gases : en pl
  • US2332847A - Cover of cycle and like saddles : en
  • PL32257B1 - Patentverwertungs-Gesellschaft mit beschrankter Haftung "Hermes", Berlin Artificial resin or similar bottle coil : en pl
  • US2333035A - Coated abrasive : en
  • US2333023A - Container wall : en
  • CH229496A - Exhaust air regulator on magneto ignition. : de en
  • GB556829A - Improvements in or relating to esters of dipentaerythritol and to methods of producing same : en
  • GB556836A - Improvements in and relating to machines for cutting or shearing sheets or plates of metal : en
  • US2333055A - Driving center : en
  • FR886871A - Mineral oil refining process : en fr
  • GB556844A - Improved apparatus for mounting and fixing tools in machine tools : en
  • DE740716C - Double chute with distribution conveyor arranged in the saddle : de en
  • GB556868A - Improvements in electric valve systems for controlling energy transmitted through inductive apparatus to welding and other load circuits : en
  • GB556945A - Improvements in or relating to machines organised for exerting a thickness measuring action on articles of sheet material and for dealing with said articles in accordance with measured thickness thereof : en
  • US2332869A - Method of manufacturing rubberlike materials : en
  • US2332961A - Dump vehicle construction : en
  • DE740640C - Dowelling in dummy and press joints in concrete road surfaces : de en
  • US2332761A - Latching and door hinging means and arrangement thereof in a cabinet structure : en
  • US2332816A - Decorative device for food displays : en
  • US2332937A - Molding press : en
  • US2332813A - Formation tester : en
  • US2332966A - Code call system : en
  • PL32208B1 - A method of manufacturing soles and heels from substitute materials : en pl
  • US2332680A - Cooling system for liquid jacketed engines : en
  • FR886820A - Method of improving metal objects : en fr
  • FR886956A - Machine device for shaping and reproducing shoe pads and all similar parts : en fr
  • US2332653A - Fastening and shoes containing the fastening : en
  • FR886822A - Trigger device for guns on mount : en fr
  • US2332618A - Diesel engine : en
  • US2332683A - Topping knife : en
  • US2332783A - Gin saw cleaner : en
  • DK61464C - Setting mechanism, in particular for Tuning devices in Radio systems. : da en
  • DE740736C - Process for the production of linear polymers : de en
  • CA416008A - Wardrobe tray : en fr
  • CH229383A - Floor polisher with removable drive motor. : de en
  • DE740726C - Chrome-manganese steels for objects that have to be resistant to intergranular corrosion : de en
  • FR886775A - Device for adjusting the rotational speeds of several aircraft engines : en fr
  • GB556849A - Improvements in a vibration damper : en
  • GB556873A - Improvements in or relating to sliding cockpit covers and the like for aircraft : en
  • DE740749C - Soils in rectification columns : de en
  • DE740814C - Process for the preparation of nitrogen and sulfur containing heterocyclic compounds : de en
  • DE740818C - Resistance switch, especially for low frequency alternating current : de en
  • DK61471C - Procedure for the manufacture of a contracted, hypoglycemic substance of the pancreas. : da en
  • CA416011A - Cranking mechanism : en fr
  • DE740616C - Automatic starting device for electric motor vehicles : de en
  • GB556966A - Improvements in or relating to punching presses : en
  • US2333010A - Electric circuit : en
  • FR886793A - Process for preparing cellulosic solutions for obtaining synthetic products : en fr
  • FR886886A - Hermetic compressor more particularly for household refrigerating cabinets : en fr
  • DE740886C - Electrical system for motor vehicles with polarization headlights : de en
  • CH229482A - Pipe clamping device. : de en
  • DE740690C - Device for increasing the measuring accuracy of a bill consumption meter : de en
  • CH229426A - Process for the production of a luminescent mixture. : de en
  • US2332661A - Tappet : en
  • US2332954A - Integrating mechanism : en
  • CA416000A - Photo-mechanical colour reproduction : en fr
  • US2332941A - Condenser boiler : en
  • DE740728C - Brake for rail vehicles with several brake axles : de en
  • FR886980A - Making colored flame candles : en fr
  • CA416020A - Chain swivel : en fr
  • CH229494A - High-speed, two-stroke, compression-ignition internal combustion engine. : en fr
  • DE740656C - Acetylene development plant with carbide feed : de en
  • US2332551A - Telephone set circuit : en
  • US2332552A - Roof fan ventilator : en
  • DE740744C - Closed car body, especially for motor vehicles : de en
  • US2332753A - Door check and closer : en
  • CA415993A - Pressure booster unit : en fr
  • CH229385A - Frame for seating and reclining furniture. : de en
  • CA415991A - Composite piston : en fr
  • DE740734C - Process for the continuous generation of water gas : de en
  • GB556901A - Sulphone derivatives : en
  • GB556959A - Improvements relating to crank shafts : en
  • DE740927C - Device for regulating the welding current and the arc voltage of arc welding points connected to a power source of constant voltage : de en
  • FR886940A - Self-damping tubular elastic sleeve : en fr
  • US2332615A - Onitfd statfs patfnt offirf : en
  • FR886954A - Fittings for electrical conductors : en fr
  • BE452297A - : en
  • DE740611C - Device for pulling in and lowering by means of a crosshead raised long lengths of fabric : de en
  • DE740634C - Process for the production of masses which contain insoluble metal compounds, in particular oxides, or metals in or on carrier materials : de en
  • DE740706C - Method for producing an ammunition frame which is punched in the die as a blank : de en
  • PL32213B1 - : en pl
  • DE740633C - Process for coke and gas production in horizontal chamber furnaces heated outside at high temperatures with gas extraction at negative pressure : de en
  • FR886885A - New fireplace for reverse combustion wood gasifiers : en fr
  • CH229412A - Plant for the production of pulp mixed with a preservative and for filling the same. : de en
  • DE740804C - Magnesite brick lining for cement rotary tubes : de en
  • FR886828A - Process for the preparation of olefinic hydrochlorides starting from gases with a low content of olefins : en fr
  • GB556882A - Improvements in or relating to x-ray apparatus : en
  • CH229438A - Pencil with adjustable lead. : de en
  • US2332755A - Accounting machine : en
  • DE740871C - Sewing machine table with retractable sewing machine head and attached side table : de en
  • PL32241B1 - N. V. Philips * Gloeilampenfabrieken, Eindhoven Copper alloy wire for electrical wiring : en pl
  • FR886905A - Filaments, threads, fibers, based on high molecular weight polyvinyl chloride : en fr
  • FR886930A - Device for de-amalgamating and raising mercury from a mobile cathode electrolytic cell and its applications : en fr
  • US2332841A - Berth and chair arrangement : en
  • GB556930A - Improvements in ultra-high-frequency valve oscillation generators : en
  • DE740454C - Process for electrical resistance spot welding, especially of aluminum alloys : de en
  • CH229492A - Fan impeller. : de en
  • DK61475C - Process for the production of nitrogen-containing polycondensation products of polyurethane and possibly polyurea ester character. : da en
  • US2332527A - Apparatus for carrying out chemical reactions : en
  • FR886834A - Touch device for double-edged razors : en fr
  • CH229400A - Shirt. : de en
  • FR886939A - License plate holder for bicycle, motorcycle and other vehicles : en fr
  • US2332860A - Drafting instrument : en
  • FR886904A - Rigid material sole comprising at least one transverse articulation : en fr
  • CA415968A - Plaster cast cutting device : en fr
  • FR886764A - Crank and its manufacturing process : en fr
  • DE740675C - Extraction of nitrogen oxides : de en
  • DE740873C - Machine tool, in particular grinding machine, for producing cross-sections on external and internal profiles that are delimited by cycloidal curves : de en
  • GB556861A - Improvements relating to friction brakes : en
  • DE740683C - Input circuit for radio sets with shortwave range : de en
  • DE740774C - Blade lock for gas or steam turbines : de en
  • US2332780A - Screen cleaner : en
  • DE740866C - Registration sheet for devices for recording movement processes, in particular for tachographs on vehicles : de en
  • DE740900C - Process for reducing the caffeine content in coffee and tea : de en
  • US2332708A - Electric heater for oil wells : en
  • US2332727A - Soap product and process of making same : en
  • CA415983A - Abrading and blackboard clearing machine : en fr
  • US2332627A - Kinetic reset regulator : en
  • US2333045A - Pump : en
  • DE740680C - Production of a cutting metal plate : de en
  • GB556897A - Improvements in the production of branched chain alkanes : en
  • FR886877A - Device for automatic adjustment of the supply of breathing air in the pressure chambers of airplanes flying at high altitude : en fr
  • FR886910A - Application system for metallic carbides as fuels for internal combustion engines : en fr
  • US2332822A - Plugging off water sands : en
  • US2332688A - Apparatus for making concrete roadways : en
  • US2332857A - Prophylactic sheath package : en
  • USD136554S - Design for a suit : en
  • CH229481A - Shaver for double-edged razor blades, with tactile mark. : de en
  • FR886932A - Hand embroidery process, pieces of rayon silk fabrics and all other textiles : en fr
  • CH229526A - Process for the preparation of 2- (para-amino-phenyl-sulfamido) -pyridyl-5-sulfonamide. : en fr
  • US2332845A - Movable display device : en
  • US2332855A - Wiring clip : en
  • US2332890A - Edge grinding machine for strip material : en
  • US2333042A - Cupola charger : en
  • CH229477A - Furnace for tempering, annealing and hardening small parts. : de en
  • US2332577A - Treatment of hydrocarbons : en
  • CH229556A - Lead collector. : de en
  • US2332544A - Process and machine for the manufacture of envelopes of paper or similar material : en
  • US2332759A - Method of and apparatus for rolling molten metals : en
  • DE740750C - Method and device for the removal of non-condensable or difficult to condense vapors or gases from vapors to be condensed : de en
  • DE740826C - Automatic pressure regulator for the suction drainage : de en
  • USD136575S - Design for a container fob cigarettes : en
  • FR886891A - Manufacturing process of anti-halo layers : en fr
  • GB556973A - Improvements in or relating to air-conditioning plants of large, and in particular of industrial premises : en
  • CH229514A - Magnet system with at least one air gap and magnetically good conductive material. : de en
  • US2332963A - Remote control system : en
  • CA415996A - Magnetic suspension system : en fr
  • US2332650A - Automatic record changing apparatus : en
  • US2332933A - Process of manufacturing building blocks : en
  • CH229539A - Housing for the change gear of motor vehicles driven by internal combustion engines. : de en
  • DE740647C - Free jet gas switch : de en
  • DE740819C - Spark puller arrangement for pressure gas switch : de en
  • DE740652C - Hand probe for electrical test fields : de en
  • DE740823C - Hand-operated electric spot welding gun : de en
  • DE740872C - Bicycle chain guard : de en
  • DK61485C - Footwear with wooden sole. : da en
  • CH229506A - Device for fastening connection lines, in particular in switchgear systems. : de en
  • FR886840A - Postal fold : en fr
  • CH229440A - Epee tip attachment for the operation of electric touch display devices during epee fencing. : de en
  • DE740626C - Process for drying objects made of rigid material, preferably metal, using fluids consisting entirely or in part of organic solvents : de en
  • DE740768C - Resilient pit stamp : de en
  • US2332634A - Bearing : en
  • US2332924A - Hydrocarbon conversion : en
  • US2332631A - Gun charger : en
  • USD136553S - Design for a perfume container : en
  • CA416043A - Electron discharge device : en fr
  • US2332713A - Dispensing mechanism : en
  • US2332798A - Atomizer : en
  • PL32239B1 - Gewerkschaft Keramchemie-Berggarten, Siershahn Liquid-tight products made of several layers, e.g. tanks, pipes or flooring : en pl
  • CH229445A - Diopter aiming device with an opening that can be adjusted in diameter. : de en
  • US2332786A - Variable-pitch airscrew : en
  • CH229458A - Talk head in a magnetic recorder. : de en
  • US2332620A - Automatic empty and load brake equipment : en
  • CH229487A - Lock washer with a fan-shaped flap rim for machine parts and a method for manufacturing such washers : de en
  • PL32198B1 - Safety device against disengagement of variable gear clutches, especially for motor vehicles : en pl
  • CH229448A - Precision caliber. : en fr
  • US2332913A - Method of manufacturing puncture sealing inner tubes : en
  • PL32261B1 - The method of regulating the intensity of the current in a wide range of welding machines for constant current with a transverse field and the machine to work in this way : en pl
  • US2332581A - Electric welding machine : en
  • CH229409A - Sole for footwear, in particular for wooden shoes. : de en
  • CA416026A - Taping machine : en fr
  • CH229489A - Gearbox with continuously variable translation. : de en
  • CH229540A - Spring wheel for cycles. : en fr
  • PL32216B1 - Prolignit flktiengesellschaft fur Braunkohleveredelung, Koln Use of highly flammable coke for gas generators for internal combustion engines : en pl
  • CA416005A - Aldehyde condensation product of aminotriazines : en fr
  • FR886773A - Building heating chimney : en fr
  • US2332878A - Dial operated crossbar selector : en
  • US2332960A - Insecticide : en
  • CA415994A - Electric heater : en fr
  • CA416041A - Electric cam switch : en fr
  • CH229544A - Saddles, in particular for bicycles and motorcycles. : de en
  • CH229469A - Control device on liquid-operated machine tools. : de en
  • AU117629B2 - Ceramic material of high mechanical and thermal strength : en
  • CH229543A - Device to prevent the theft of cycles and similar vehicles. : en fr
  • US2332791A - Container handling apparatus : en
  • US2332864A - Starter gearing for internal combustion engines : en
  • CH229389A - Toothbrush. : de en
  • GB556898A - New or improved means for fixing collars and the like to shafts and the like : en
  • GB556915A - Improvements in electric ratiometers : en
  • CA416019A - Chain swivel : en fr
  • CA416031A - Aircraft artificial horizon : en fr
  • CH229424A - Process for the preparation of a condensation product of a 1-aminoaryl-5-pyrazolone-4-sulfonic acid. : de en
  • BE452210A - : en fr
  • US2332760A - Cooking range construction : en
  • US2332907A - Signaling system : en
  • BE452228A - : en
  • FR886823A - : fr
  • FR886902A - Protection device applicable in particular to accumulators : en fr
  • FR886946A - Hydraulic control and apparatus, such as movable aircraft seats, incorporating such control : en fr
  • CH229421A - Process for the preparation of acetylsulfanilic acid chloride. : de en
  • CH229437A - Process for the production of a multicolor copy on multilayer photographic material. : de en
  • GB556979A - Improvements in or relating to paint boxes : en
  • USD136549S - Design for a nut holder : en
  • US2332525A - Can testing machine : en
  • US2332814A - Refining of mineral oils : en
  • US2332770A - Lighting fixture : en
  • USD136548S - Design for an upper bowl for a coffee brewer : en
  • CH229528A - Liquid atomizer. : de en
  • PL32195B1 - V-shaped engine cooling unit with axial blower : en pl
  • PL32197B1 - : en pl
  • US2332807A - Fluid density indicator : en
  • USD136563S - Design for a spirit level : en
  • USD136577S - Design for an airplane : en
  • GB556987A - Improvements in or relating to cylinders and cylinder liners of internal combustion engines : en
  • GB556905A - Improvements in or relating to pneumatic cushions, seats, and the like : en
  • FR886971A - Mechanical winch incorporating a descent braking device for rapid descent movement : en fr
  • US2332622A - Electron discharge device : en
  • US2333031A - Thrust balancing apparatus : en
  • CH229471A - Tool for machine tool. : en fr
  • CH229450A - Precision measuring device. : de en
  • CH229393A - Machine for evenly stranding cables, wire ropes, strands and the like. : de en
  • US2332788A - Refrigerator door hinge : en
  • CH229497A - Internal combustion engine pistons. : de en
  • GB556965A - Improvements in ball and socket units : en
  • DK61463C - Procedure for the production of basic ketones. : da en
  • CH229537A - Sled runner with means for attaching to small carriages with wheel forks, in particular bicycle trailers. : de en
  • CA416039A - Super resilient wheel : en fr
  • DE740674C - Carrying out reactions between gases and liquids : de en
  • CA415979A - Radio amplifier : en fr
  • CA415999A - Colour photography : en fr
  • US2332871A - Luffing davit : en
  • US2332598A - Disk record container and package : en
  • US2332614A - Means for lubricating internal bearings in centrifugal gas pumps : en
  • GB556891A - Improvements connected with loose leaf binders : en
  • GB556935A - Improvements in or relating to reflex light reflectors, and signs adapted for outdoor highway use and including the improved reflex light reflector : en
  • DK61482C - Child saddle for Bicycles. : da en
  • US2332992A - Applicator for polishing and buffing compositions : en
  • US2332833A - Textile material and method of making : en
  • AU714242A - Steatite type ceramic material : en
  • FR886931A - Leverage unicycle : en fr
  • CH229430A - Process for the preparation of a polymerization product. : de en
  • GB556919A - Improvements in or relating to the construction of selector switches as used in automatic telephone and like systems : en
  • CH229532A - Adjustable arrangement, especially for purposes of electrical communications engineering. : de en
  • US2332769A - Washing machine : en
  • US2332719A - Control means for agricultural implements : en
  • DE740833C - Process for preventing resin precipitation in paper manufacture : de en
  • US2332872A - Station circuit : en
  • US2333002A - Device for games of numbers : en
  • US2332687A - Apparatus for treating plastic materials : en
  • GB556923A - Improvements relating to radio signalling systems : en
  • US2333060A - Control mechanism for locomotive sanders : en
  • DK61474C - Laminated wood board and method of its manufacture. : da en
  • FR886757A - Refrigerator cabinet combined with a stove : en fr
  • GB556876A - Improvements relating to dynamometer systems for testing engines : en
  • FR886851A - Pelotonneuse : en fr
  • FR886801A - Adjustable depth and width gauge : en fr
  • GB556859A - Improvements in means for controlling the working depth of agricultural implements : en
  • CA416056A - Solid material treating apparatus : en fr
  • CA416036A - Zirconium nitrate : en fr
  • DE740870C - Device for simultaneous drilling along a curvature arranged holes in a workpiece with a curvature variable along its axis : de en
  • BE452394A - : en fr
  • CH229550A - Plow detachably coupled to a tractor. : de en
  • US2332767A - Automatic radio station selector : en
  • CH229387A - Night tableware for children, especially for toddlers. : de en
  • DE740916C - Switching arrangement with vacuum switch : de en
  • US2332543A - Internal combustion engine exhaust system : en
  • US2332649A - Driving and stopping mechanism : en
  • US2332651A - Machine for use in the manufacture of shoes : en
  • USD136546S - Wallpaper border or similar article : en
  • DE740830C - Lid for metallurgical arc furnace with a circular base and filling shafts arranged concentrically around the electrode : de en
  • GB556863A - Improvements relating to automatic shut-off valves : en
  • CA416058A - Circular knitting machine : en fr
  • US2332550A - Skid shoe : en
  • DE740662C - Process for obtaining nutrients : de en
  • DE740751C - Water level indicator for steam boiler with electrical signaling device : de en
  • DE740878C - Production of phosphoric acid by digesting phosphates with sulfuric acid : de en
  • US2332741A - Power lift device : en
  • US2333053A - High temperature elastic fluid turbine : en
  • FR886985A - Extremely active oxide cathode and its manufacturing process : en fr
  • FR886795A - Process for the preparation of oxidation products of saturated cyclic hydrocarbons : en fr
  • FR886804A - Laminated glass guaranteed against the projection of shards of glass in the event of breakage : en fr
  • FR886874A - Double acting brake regulator : en fr
  • US2332597A - Method of making shoe sole blanks : en
  • US2332820A - Refrigeration : en
  • US2332919A - Amplifier circuit for ultra short waves : en
  • FR886787A - Measuring device with graduation and needle illumination : en fr
  • CA415976A - Automobile door lock : en fr
  • US2332763A - Packing for pistons, shafts, and the like : en
  • US2332599A - Shoe sewing machine : en
  • CH229456A - Method for making very small variations in a physical phenomenon act and apparatus for carrying out this method. : en fr
  • GB556922A - Improvements in or relating to automatic telephone systems : en
  • US2332991A - Self-adjustable cradle for boat trailers : en
  • GB556957A - Improvements in electron guns : en
  • FR886995A - Radiogonometric beaconing for airstrip : en fr
  • GB556879A - Improvements in or relating to pneumatic hammering tools, and impoved distributing valve assemblies for use in pneumatic hammers : en
  • US2332776A - Alarm signaling apparatus employing public utility circuits : en
  • USD136562S - Design for a hat oe similar article : en
  • FR886918A - Variable frequency generator : en fr
  • FR886898A - Optical sound recording and reproduction method : en fr
  • FR886812A - High frequency carrier wave message transmission device : en fr
  • DE740824C - Transmission device for radiotomy systems : de en
  • DE740840C - Device for setting the second hand of pocket and wristwatches to the full minute : de en
  • DE740718C - Roller burnishing machine : de en
  • GB556871A - Improvements in brassieres, corsets and other garments : en
  • US2332774A - Signaling apparatus with visual display for fire alarms and the like : en
  • DE740762C - Encoder for the measurement of tension, pressure, torque or thrust according to the differential method : de en
  • DE740798C - Taxation for the pump circulation device in compressed air accumulators : de en
  • US2333036A - Filler valve : en
  • GB556875A - Improvements in and relating to distribution of telephonic signals : en
  • USD136542S - Wallpaper border or similar article : en
  • US2332629A - Pump for power lifted implements : en
  • FR886993A - Method for reducing the reciprocal action of transmission circuits in telephone cables : en fr
  • GB556843A - Improvements in and relating to loose-leaf binders : en
  • US2332940A - Tank cleaning apparatus : en
  • US2332815A - Compounds of the hormone series : en
  • DE740613C - Mixing machine for the building material of lightweight panels consisting of plaster and wood chips : de en
  • US2332526A - Tree feller : en
  • US2332724A - Rotary kiln chain arrangement : en
  • US2332669A - Apparatus for threading sewing needles : en
  • US2332916A - Internal combustion engine arrangement : en
  • US2332573A - Extensometer : en
  • US2332675A - Grinding machine : en
  • FR886806A - Process for the preparation of cellulosic materials having a high alpha-cellulose content : en fr
  • FR886835A - Tool with hard metal coating or recessing for high mechanical stresses, in particular for drilling rocks by percussion : en fr
  • GB556997A - Improvements in electric condensers : en
  • CH229376A - Device for showing forces, in particular in civil engineering works. : en fr
  • DE740907C - Cable guide for cutting machines : de en
  • DK61462C - Procedure for the production of right-turning pantothenic acid. : da en
  • US2332715A - Tractor track and track unit : en
  • US2332509A - Star wheel : en
  • CH229513A - Electric capacitor. : en fr
  • GB556993A - Improvements relating to cutter holders for woodworking and similar machines : en
  • CA416047A - Piezoelectric crystal apparatus : en fr
  • CH229520A - Process for the production of seamless mass cores with thread. : de en
  • GB556992A - Improvements in frequency modulation detection : en
  • CH229454A - Device for determining the timing of power surges. : de en
  • DE740291C - Process for the polymerization of olefins : de en
  • GB556842A - Improved means for the intensive cultivation of plants and the like : en