• US2251844A - Butter knife : en
  • USD128752S - Design fob a dress : en
  • USD128766S - Design fob, a dress : en
  • US2251588A - Engine starting mechanism : en
  • US2251671A - Folding machine : en
  • DE709143C - Circulating regenerative heat exchanger : de en
  • US2251599A - Hoop trundling device : en
  • US2251826A - Making metal-sheathed cables : en
  • DE709010C - Color filter arrangement for matching the spectral and general sensitivity of photoelectric light meters to the recording material : de en
  • US2251387A - Ignition distributor : en
  • US2251465A - Lubricating system : en
  • US2251276A - Circuits for directionally controlling signal transmission in twoway signal transmission systems : en
  • USD128607S - Design for a game board : en
  • CA398392A - Door type partition : en fr
  • US2251498A - Air speed indicator : en
  • US2251785A - Method of molding adhesive materials : en
  • US2251889A - Antenna mounting : en
  • CA398426A - Master cylinder : en fr
  • USD128675S - Design for a jewelry finding : en
  • USD128738S - Design fok a woven textile fabric : en
  • DE709174C - Multipole overhead line disconnector : de en
  • US2251302A - Power supply arrangement suitable for use in telephone systems : en
  • CA398356A - Water paint : en fr
  • SE102251C1 - : en
  • US2251378A - Mower structure : en
  • USD128644S - Alphabet for forming monograms or the like : en
  • US2251364A - Signaling device : en
  • US2251530A - Support for high frequency concentric conductors : en
  • US2251614A - Loose-leaf binder : en
  • US2251899A - Suction cleaner : en
  • US2251697A - Heating pad and a process for making same : en
  • GB538463A - Process for the preparation of diamidine derivatives : en
  • AU113563B2 - Improvements in cathode ray tubes for television transmission or like purposes : en
  • CA398458A - Automobile bumper : en fr
  • DE709168C - Mixing device for the simultaneous supply of different substances to ovens, for example lime kilns : de en
  • CA398403A - Electric discharge apparatus : en fr
  • US2251401A - Parallel motion picker stick mechanism for looms : en
  • US2251478A - Device to form pin curls : en
  • FR51082E - Seat : en fr
  • FR51069E - Cathode ray tube : en fr
  • FR866382A - Quick-release ball joint : en fr
  • USD128750S - Design fob a dress : en
  • US2251798A - Driers and a process of preparing them : en
  • FR51109E - Printing press : en fr
  • GB538550A - Improvements in or relating to stands for bottles and the like : en
  • GB538556A - Toning photographic images : en
  • DE709008C - Process for washing and cooling gases : de en
  • DE709191C - DF system : de en
  • DE709148C - Dishwasher with two nested containers for washing and rinsing liquid : de en
  • US2251700A - Automatic lighting system : en
  • US2251752A - Sized regenerated cellulosic pellicle : en
  • USD128672S - Snyder vaporizer : en
  • USD128706S - Design for a dress : en
  • US2251560A - Locking device : en
  • US2251708A - Direction finder antenna system : en
  • US2251340A - Extensible delivery device : en
  • US2251645A - Step-by-step mechanism : en
  • DE709015C - Method and machine for producing perforations in paper sheets : de en
  • DE709099C - Attachment of a sliding part of the lamp on the vertical lamp tube : de en
  • US2251262A - Nonmetallic sheathed conductor : en
  • DE709236C - Airtight and watertight sealable packaging and shipping containers for thermoplastic synthetic resin compounds, especially for dental purposes : de en
  • US2251706A - Apparatus for decorating the interior and improving the atmosphere of enclosures : en
  • DK58905C - Procedure for applying covering material on roads, sidewalks, courtyards and similar traffic lanes, especially in humid weather conditions. : da en
  • USD128666S - Design for a sadiron or siehlar article : en
  • US2251434A - Machine for manufacturing electric fuse plugs : en
  • US2251627A - Carton : en
  • US2251812A - Lawn and garden sprinkler : en
  • FR866362A - Improvements to t-links. s. f. : en fr
  • GB538458A - Improvements in frame antennae : en
  • AU113552B2 - Improvements in collapsible and folding camp beds and stretchers : en
  • CA398419A - Plastic sheet stock : en fr
  • US2251520A - Calculating machine : en
  • USD128768S - Design for a dress : en
  • CA398465A - Speed mechanism actuating means : en fr
  • FR866384A - Improvements to constant velocity joints : en fr
  • DE709039C - Closure for holding together shell-shaped profiles assembled to form a tubular body, in particular cable protection irons : de en
  • FR51094E - Improvement in liquid batteries : en fr
  • GB538462A - Improvements relating to valves for pneumatic tyre tubes : en
  • US2251807A - Pump : en
  • FR51114E - Resinoid condensation products and their preparation process : en fr
  • DE709021C - Azotierbehaelter for insertion in fixed calcium cyanamide ovens : de en
  • FR51087E - Process for the preparation of estrogenic substances : en fr
  • DE709108C - Grater Mill : de en
  • GB538537A - Improvements connected with automatic cut-outs for electrically heated kettles, coffee percolators or other cooking utensils : en
  • GB538540A - Improvements relating to fastening devices : en
  • DE709175C - Cross-flow heat exchanger made from ribbed plates : de en
  • CA398456A - Fender well tire cover : en fr
  • FR866370A - Folding oleo-pneumatic landing gear : en fr
  • GB538530A - Improvements in or relating to the concentration of tin bearing minerals : en
  • US2251266A - Magnesium alloy : en
  • AU282240A - Energy transfer circuits : en
  • CA398452A - Suction cleaner air flow device : en fr
  • CA398433A - Gas regulation and pressure control : en fr
  • DE709139C - Process for automatic low-distortion dynamic control in low-frequency transmission systems : de en
  • US2251356A - Constant coefficient mechanical element : en
  • US2251476A - Tuning unit for radio receivers : en
  • US2251515A - Manufacture of alkali metal silicate solutions : en
  • US2251714A - Roller bearing, particularly for aircraft shock absorbers : en
  • US2251539A - Dual wheeled vehicle : en
  • FR866356A - Sealed electric accumulator for high altitudes : en fr
  • US2251415A - Screen : en
  • US2251707A - Feedbox for lathes : en
  • US2251746A - Absorption refrigeration system : en
  • USD128712S - Design foe a dress : en
  • US2251355A - Insulated electrical conductor : en
  • DE708970C - Device for lowering wheel axles : de en
  • DE709126C - Dedusting system : de en
  • FR51076E - Advanced engine exhaust manifold : en fr
  • GB538435A - Improvements in remotely controllable latch devices : en
  • GB538520A - Improvements in or relating to the treatment of textile and other articles with acidylating agents : en
  • DE709113C - Braking device on bicycles : de en
  • CA398423A - Cheese manufacture : en fr
  • DE709029C - Method for reducing the influence of pitch errors in the photoelectric generation of periodic pulse trains using perforated or slotted disks : de en
  • US2251848A - Hydraulic variable speed transmission : en
  • FR51057E - Sound tracking device : en fr
  • FR51064E - Hydraulic pitch control device for variable-pitch propellers : en fr
  • DE709059C - Switching mechanism for an automatic piston measuring device : de en
  • FR51100E - Fluid composition for hydraulic systems : en fr
  • US2251787A - Electrically operated brake control mechanism : en
  • US2251317A - Method and apparatus for evaporation : en
  • FR866371A - Advanced Shooting Guide for Firearms : en fr
  • DE709145C - Device for making permanent hair waves : de en
  • DE709172C - Microphone with an attachment membrane and a protective cover with openings : de en
  • USD128643S - Design for a beverage faucet : en
  • FR866400A - Improvements in processes for the preservation of bakery or pastry products : en fr
  • US2251270A - Cellulosic sheet material and process for making the same : en
  • US2251466A - Power transmission device : en
  • US2251865A - Hinge : en
  • USD128763S - Design foe a dress : en
  • US2251533A - Process of knitting : en
  • CA398422A - Absorbent cotton package : en fr
  • US2251310A - Two-part wheel for vehicles : en
  • US2251781A - Advertising playing card : en
  • US2251470A - Rotary toolholder : en
  • GB538535A - Improvements in machine for lasting boots and shoes : en
  • US2251325A - View reflecting device : en
  • DE709011C - Fast running two-stroke gas engine with reverse slot scavenging : de en
  • DK58908C - Reading sails. : da en
  • FR51117E - Rubber-lined pavers : en fr
  • USD128667S - Design foe, a textile fabric : en
  • USD128693S - Design for a lace : en
  • US2251305A - Target baseball : en
  • CA398518A - Textile material processing : en fr
  • DE709155C - Rodent repellants : de en
  • AU113569B2 - Burners for hydrocarbon gases : en
  • DE709231C - Equipment on electrically operated vehicles to achieve stable operation at very low speeds : de en
  • US2251354A - Marking machine : en
  • US2251774A - Lubricant additive : en
  • CA398513A - Rubber filling and economizing agent : en fr
  • US2251259A - Piston and cylinder construction : en
  • US2251836A - Pneumatic machine gun adapter for practicing : en
  • GB538478A - Process for the manufacture of derivatives of cyclopentano-phenanthrene : en
  • DE709200C - Demagnetization device with a coil and an iron core to hold the workpiece : de en
  • DE709017C - Visual file : de en
  • DE709022C - Process for the extraction of hard or soft paraffin from coal, slate or other bituminous substances : de en
  • DE709072C - Device for photographing the fluorescent X-ray image : de en
  • DE709158C - Oil heat and cleaning device, especially for the lubricating oil of aircraft engines : de en
  • DE709166C - Safety lock for multi-leaf gates : de en
  • CA398418A - Moulded pulp article manufacture : en fr
  • US2251394A - Softened rubber : en
  • US2251802A - Process of making dipolymer varnish : en
  • USD128635S - Design for a display stand : en
  • DE709090C - Disc filter for filtering viscous or highly viscous liquids : de en
  • US2251558A - Dyestuffs of the dibenzanthrone series and process of making them : en
  • DE709065C - Feeding device for gas turbines : de en
  • DE709173C - Circuit arrangement for setting the amplitude and phase of an alternating voltage : de en
  • GB538479A - Cathodes for electron discharge devices and alloys therefor : en
  • US2251488A - Variable speed drive : en
  • USD128747S - Design for a dress ensemble : en
  • AU113564B2 - Improvements in audio frequency amplifiers : en
  • FR866377A - Improvements to devices for making splines, for broaching machines : en fr
  • GR9603B - GAS MOTOR VEHICLE ACCOMPANYED GAS. : el en
  • CA398375A - Hot air furnace device : en fr
  • DE709028C - Snow clearing vehicle : de en
  • DE708982C - Lighting device for sound film purposes : de en
  • DE709106C - Nut lock : de en
  • CA398380A - Transportation means : en fr
  • CA398413A - Direction finding aerial system : en fr
  • FR866368A - Improvements to waterproof paper garments for protection against aggressive agents : en fr
  • GB538529A - Improvements in filter and purification media : en
  • GB538456A - Process and apparatus for extracting and cleaning long vegetable fibres from vegetable matter such as the leaf sheaths of the abaca plant : en
  • US2251447A - Concrete block machine : en
  • DE709066C - Control device for free-flight piston propellant gas generator : de en
  • FR866353A - New game device : en fr
  • CA398365A - Sulphur nitride : en fr
  • AU278140A - Improvements in or relating to machines organised for pressing breast flaps on shoe soles against heels : en
  • USD128616S - Design for a basin holding stand : en
  • US2251676A - Thread wiper for sewing machines : en
  • US2251718A - Coupling for tubes : en
  • USD128694S - Design for a coat : en
  • US2251851A - Electron-beam deflecting circuit : en
  • US2251318A - Cushioning facility for seats and the like : en
  • US2251330A - Variable density sunglass : en
  • US2251486A - Coloring vinylidene chloride polymers : en
  • US2251594A - Volume control for electrical signals : en
  • USD128642S - Design fog a container : en
  • US2251377A - Mowing machine : en
  • US2251765A - Esters of maleic acid and unsaturated alcohols : en
  • US2251810A - Forming and trimming machine : en
  • DE709027C - Exhaust and ventilation device for motor vehicles, especially rail cars : de en
  • CA398505A - Electro-optical system : en fr
  • US2251572A - Awning : en
  • GB538469A - Improvements in and in the manufacture of projection screens : en
  • US2251458A - Package opener : en
  • DE709094C - Collector shoe pantograph : de en
  • FR51095E - Clamping device for multi-leg support legs : en fr
  • DE709014C - Method and device for thermal dehairing and degassing of water : de en
  • GB538589A - Improvements in or relating to welding apparatus : en
  • US2251429A - Time switch : en
  • US2251876A - Apparatus for storing stacked articles : en
  • USD128744S - Design fob a dress : en
  • FR51080E - Method and apparatus for riveting by tubular rivets : en fr
  • FR51084E - Electrical signaling systems : en fr
  • GB538567A - An improved toy or apparatus for the playing of a game : en
  • DE709218C - Process for cleaning aluminum alloys : de en
  • FR51148E - Improvements to equipment comprising discharge tubes : en fr
  • DE709134C - Air-powered straight or helical tooth motor : de en
  • US2251586A - Vibratory feeder and screen : en
  • DE709176C - Process for the production of long-life aqueous solutions containing k-strophanthin, theophylline and grape sugar : de en
  • US2251523A - Power transmission mechanism : en
  • US2251550A - Art of producing wax modifying agents : en
  • DE709093C - Current collector sliding shoe for lubricating the contact wire : de en
  • GB538491A - Improvements in or relating to safety devices or mechanisms for machinery : en
  • FR866390A - Method of preparing a serum for diagnosing cancer : en fr
  • AU246640A - Improved method of treating refractory ores : en
  • US2251821A - Machine for smoothing fasteners : en
  • FR866355A - Shield for machine guns and similar weapons : en fr
  • GB538472A - Apparatus for the reproduction of oscillations : en
  • US2251334A - Protein composition of matter : en
  • US2251389A - Riveting tool : en
  • US2251261A - Cooling tower : en
  • US2251557A - Soldering tool : en
  • US2251360A - Dual axle suspension system : en
  • US2251633A - Valve control : en
  • US2251657A - Sink hanger : en
  • US2251757A - Amusement device : en
  • USD128765S - Design for a dress : en
  • USD128681S - Design for a toothbrush : en
  • USD128724S - Design fob a dress : en
  • FR51078E - Improvements in the construction of hangars and roofs of premises : en fr
  • DE709233C - Electrical wiring lead : de en
  • DE709005C - Sealing for capacitors with liquid or semi-liquid impregnation compound : de en
  • GB538566A - Improvements in and relating to macerating and juice extracting devices : en
  • US2251437A - Abrasive article and method of manufacturing the same : en
  • US2251728A - Card for punched-card accounting machines : en
  • US2251809A - Resilient wheel : en
  • FR866398A - Apparatus for molding plastics : en fr
  • US2251650A - Rubber thread or tubing and process of making same : en
  • US2251735A - Theft prevention apparatus : en
  • FR51118E - Means for the preliminary treatment of hydrocarbon residues or other heavy products, before their transformation into light ones, or other applications : en fr
  • GB538454A - Improvements in or relating to travelling hoppers : en
  • GB538555A - Coloring photographic images : en
  • US2251367A - Clutch : en
  • US2251766A - Diving board : en
  • USD128661S - Flexible pocket receptacle : en
  • DE709163C - Storage of machine gun ammunition drums in aircraft command posts : de en
  • FR51106E - Method and device for the automatic feeding of furnaces for the manufacture of glass fibers and yarns : en fr
  • GB538534A - Improvements in impulse couplings for magnetos : en
  • DE709012C - Fuel injector : de en
  • FR51147E - Cotton support placed inside the suction cup glasses : en fr
  • DE709103C - Protective plate for medical syringes : de en
  • AU113556B2 - Improvements in radio communication systems : en
  • CA398409A - Film base coating apparatus : en fr
  • US2251688A - Process for the sulphonation of alpha-aminoanthraquinone compounds : en
  • US2251801A - Fresh meat product and preparation : en
  • US2251828A - Scanning comparator : en
  • FR51056E - Devices for testing and checking protective devices against gases, fumes, vapors, etc. : en fr
  • US2251393A - Composition of matter and process for preventing water-in-oil emulsions resulting from acidization of calcareous oil-bearing strata : en
  • CA398520A - Traffic control system : en fr
  • US2251829A - Ceramic pigment : en
  • US2251830A - Snap make-slow break switch : en
  • GB538553A - Improvements in electric periodic wave repeaters and generators : en
  • DK58918C - Bicycle lock. : da en
  • GB538561A - An improved automatic coupling suitable for use in lifting sunken vessels : en
  • GB538585A - Improvements in or relating to travelling chains for tractors and the like : en
  • DE709157C - Centrifugal governor, in particular for regulating the fuel supply to internal combustion engines : de en
  • USD128670S - Retainer plate for oil filters : en
  • USD128718S - Design for a dress : en
  • DE709187C - Method for generating modulated ultrashort-wave oscillations using a magnetron : de en
  • CA398359A - Medicinal compound for urinary organs : en fr
  • USD128686S - Automobile emblem plate or similar article : en
  • FR51061E - Process for heat treating, in particular splitting carbonaceous substances : en fr
  • FR51093E - Device for stopping aerosols and certain gases : en fr
  • GB538581A - Improvements in or relating to the manufacture of wetting agents : en
  • US2251609A - Packaging means for small resistor units : en
  • USD128618S - Design foe a pitcher or similar article : en
  • CA398391A - Milk cooler and aerator : en fr
  • DE709180C - Pressure medium force switch : de en
  • FR51121E - Crusher for cleaning and classifying granular materials : en fr
  • DE709073C - Cinema cassette camera : de en
  • DE709009C - Process for improving technical pure lead, in particular so-called park lead : de en
  • AU113561B2 - Improvements in and relating to suction gas producers : en
  • DE709149C - Butt connection for wooden supports, stiffeners, struts, etc. like : de en
  • DE709047C - Device for controlling electrical systems : de en
  • AU113565B2 - Improvements in and relating to electrically-operated motor vehicles : en
  • CA398493A - Joint stud : en fr
  • GB538541A - Piezo-electric elements : en
  • GB538453A - Improvements in or relating to regulating systems for web drying machines : en
  • US2251816A - Submergible electric motor for deep well pumps : en
  • USD128726S - Design for a dress : en
  • US2251304A - Breech closure for guns : en
  • US2251600A - Baking appliance : en
  • US2251414A - Valve : en
  • US2251681A - Wear-testing fabric and other materials : en
  • DE709110C - Sheet metal roll film reel : de en
  • GB538499A - Improvements in or relating to roller track chains for vehicles : en
  • CA398397A - Electric motor with centrifugal switch : en fr
  • US2251308A - Jack : en
  • US2251468A - Rubber shoe sole : en
  • DE709056C - Electric gyroscope for aircraft, driven by a DC motor : de en
  • US2251579A - Scroll and case : en
  • USD128679S - Design fok an envelope os, similar article : en
  • USD128625S - Combined key chain and license holder : en
  • US2251546A - Sound amplification method and device : en
  • US2251690A - Buffing wheel : en
  • US2251525A - Secret television system : en
  • US2251891A - Refrigeration control system : en
  • CA398371A - Neon lamp : en fr
  • US2251784A - Rotary compressor : en
  • DE709151C - Pickups : de en
  • US2251358A - Skid assembly : en
  • US2251410A - Composite metal structure and method of making same : en
  • US2251574A - Tube paste dispenser : en
  • US2251742A - Means for recording signals electrically : en
  • US2251385A - Mercury switch actuating means : en
  • USD128764S - Design fob a dress : en
  • GB538442A - Improvements in and relating to water-closets : en
  • AU113557B2 - Arrangements for suppressing parallel oscillation in push-pull amplifiers and oscillators : en
  • CA398383A - Electric arc furnace electrode control : en fr
  • DE709081C - Device for supplying the polishing agent to lens grinding machines : de en
  • US2251449A - Gravel washer and silt grader : en
  • CA398377A - Remedy for rheumatism : en fr
  • CA398516A - Towel holder : en fr
  • DK58915C - Close Valve Bags of Paper or similar Material. : da en
  • CA398508A - Electrical switching mechanism : en fr
  • FR51088E - High-speed metal wing for passenger, fighter and transport aircraft : en fr
  • CA398498A - Windshield pump : en fr
  • US2251756A - Motion checking means : en
  • GR9601B - METHOD OF INDUSTRIALIZATION AND PACKAGING OF AGRICULTURAL PRODUCTS IN GENERAL. : el en
  • FR866358A - Crimping machine : en fr
  • GB538542A - Improvements in sealing apparatus particularly applicable to the manufacture of electric lamps : en
  • GB538497A - Improvements relating to self-locking nuts : en
  • GB538519A - Improvements relating to the control of electric lifts : en
  • GR9600B - SUBSTITUTE OF COMMON SOAP. : el en
  • DE709112C - Control device for the accelerator and brake pedal of motor vehicles : de en
  • FR866386A - Friction shifting : en fr
  • DE709182C - Tobacco feeder : de en
  • GB538507A - Automatically reversible free-wheel or one-way locking device : en
  • CA398443A - Thermionic valve amplifier circuit : en fr
  • DE709101C - Highly heat-resistant ceramic protective tube for rod-shaped heating conductors : de en
  • DE709232C - Antenna arrangement for motor vehicles : de en
  • DE709129C - Process for the preparation of addition compounds "diene synthesis" : de en
  • FR866397A - Removable devices adapting to the exhaust manifolds of automotive vehicle explosion engines and allowing the heating of all liquids and the cooking or reheating of all foods : en fr
  • US2251768A - Wetting and detergent composition : en
  • USD128665S - Design for a plate ob similar : en
  • GB538517A - Joint ring : en
  • GB538505A - Improvements in and relating to artificial dispersions of rubber : en
  • GB538551A - Improvements in illuminating shells : en
  • USD128628S - Design for a separable brooch pin : en
  • US2251408A - Sorting device : en
  • US2251508A - Treatment of polyamides : en
  • US2251551A - Nail polish protector : en
  • GB538509A - Armored machine packings : en
  • FR51074E - Electric accumulator : en fr
  • US2251734A - Diffusion and drip apparatus : en
  • US2251705A - Artistic creation for interior decoration and human comfort : en
  • US2251767A - Washing strip brush : en
  • US2251503A - Refrigeration control system : en
  • US2251727A - Apparatus for the manufacture of foliated glass : en
  • US2251864A - Nailless curtain fixture : en
  • US2251871A - Zinc oxide pigment : en
  • DE709084C - Apron stretching system : de en
  • DE709226C - Impregnation to prevent rotting for yarns, nets, ropes or canvas : de en
  • US2251286A - Process of preparing oxatricarbocyanine dyes : en
  • US2251436A - Vibration measuring and recording apparatus : en
  • DE667375C - Optical system : de en
  • US2251818A - Towel dispensing cabinet : en
  • DE709144C - Installation on an axial blower : de en
  • GB538486A - Improvements in or relating to variable-gain thermionic amplifiers : en
  • FR51103E - Brake for car or trailer : en fr
  • US2251729A - Control device : en
  • USD128605S - Design for a cabinet for : en
  • FR51140E - Higher hydrocarbon copolymers : en fr
  • USD128710S - Design for a dress : en
  • US2251455A - Shaving or hair clipping apparatus : en
  • DE709083C - Ejector for especially automatic firearms : de en
  • DE709127C - Device for directional transmission using earth induction compasses as transmitters and multi-phase synchronous motors, which draw their direct current from the mains, as receivers : de en
  • DK58919C - Apparatus for unwinding and rewinding knitting yarn. : da en
  • FR51112E - Process for curing polymerizates and products obtained : en fr
  • FR866393A - Machine with pressure drive for riveting holes in parts : en fr
  • GB538501A - An improved rotary engine : en
  • USD128630S - Design for a finger ring : en
  • FR866391A - Jet apparatus for gaseous agents, used in particular to produce the traction and the ascent of aircraft : en fr
  • US2251500A - Disk harrow : en
  • USD128626S - Design fos, a hamper os, similar article : en
  • USD128612S - Design for a game board : en
  • USD128624S - Design for a bottle : en
  • DE709013C - Mill drying plant : de en
  • DE709216C - Process for making air depolarization elements : de en
  • US2251597A - Support for coin controlled machines : en
  • USPP480P - Rose plant xx : en
  • FR51070E - Improvements to means of protection against combat gases : en fr
  • US2251456A - Automatic feed typewriter : en
  • USD128690S - Design fok a textile fabric : en
  • US2251268A - Article of manufacture : en
  • US2251403A - Electrical distribution system : en
  • GB538444A - Improvements in or relating to continuously acting centrifugal filters : en
  • USD128602S - Design for a lace trimming or similar article : en
  • CA398460A - Water gas manufacture : en fr
  • FR51081E - Fire extinguisher : en fr
  • US2251782A - Fishing reel : en
  • DK58920C - Apparatus for introducing and distributing fine-grained material in an air stream serving for its transport. : da en
  • US2251661A - Method of making ice removing jackets : en
  • FR866399A - Variable power telescope : en fr
  • US2251721A - Fish net float : en
  • GB538511A - Improvements in photographic cameras with photo-electric control devices : en
  • US2251800A - Garment clasp : en
  • US2251854A - Internal shoe drum brake : en
  • US2251522A - Window glass set : en
  • GB538549A - Improvements in valve stems for inner tubes of pneumatic tyres : en
  • FR51071E - Manufacturing process for extract of coffee or other plants : en fr
  • DE709159C - Arrangement for observing the formation of residues in the piston ring groove of internal combustion engines : de en
  • US2251376A - Air conditioning system : en
  • DE709178C - Use of aluminum-magnesium alloys as a material for objects that should be corrosion-resistant : de en
  • DK58903C - Process for the Preparation of Substituted Amides of 3,5-Dimethyl-Isoxazole-Carboxylic Acid- (4). : da en
  • FR51091E - Advanced carburettor : en fr
  • DE709185C - Device for regulating the paper tension of rotary printing machines : de en
  • DE709227C - Process for the production of condensation products using alkali or alkaline earth metal hydrides as condensation agents : de en
  • DK58910C - Pallet coupling for Straw Press Binder. : da en
  • USD128723S - Design for a dress : en
  • USD128735S - Design fob a dress : en
  • US2251827A - Freezing tray : en
  • USD128759S - Design foe a dress : en
  • CA398474A - Paper machine slice : en fr
  • DE709096C - Superhet receiver with inductive antenna coupling and several reception areas that can be switched by short-circuiting or switching off additional coils : de en
  • USD128674S - Design for a refrigerating unix : en
  • CA398357A - Fuel injection apparatus : en fr
  • DE709051C - Pendulum inverter : de en
  • DE709152C - Teaching device in the form of a simulation game : de en
  • FR51144E - Switching device for alternating currents : en fr
  • CA398414A - Radio receiver : en fr
  • DE709169C - Device for securing high-pressure upstream turbines against the occurrence of excessive temperatures when they are relieved by supplying cooling steam : de en
  • CA398415A - Board joint reinforcement : en fr
  • US2251264A - Means of coating material : en
  • US2251529A - Comb frame lifting tongs : en
  • US2251535A - Control instrument : en
  • DE709194C - Free hanging tensioning and hanging clamp for inserting an electrical cable or similar. : de en
  • CA398450A - Suction cleaner nozzle : en fr
  • CA398477A - Organic arsenic compound : en fr
  • CA398529A - Apparatus for treating solid goods with a volatile solvent : en fr
  • DE709087C - Form rolling mill for work pieces to be assembled from two halves made of dough-shaped masses of the bakery and confectionery industry, e.g. marzipan : de en
  • AU120780B2 - Improvement in pulse-echo distance indicator : en
  • US2251471A - Fuse construction : en
  • AU325840A - Burners for hydrocarbon gases : en
  • US2251388A - Engine synchronizer : en
  • DE709060C - Device for the production of picture sound films : de en
  • CA398384A - Pivoted window regulator : en fr
  • CA398455A - Hair curler : en fr
  • CA398454A - Tire tread : en fr
  • US2251327A - Brush : en
  • US2251618A - Slow opening valve : en
  • DE709036C - Omnidirectional radiator for ultra-short waves : de en
  • DE709043C - Junction box for electrical cables or lines, in particular made of molded insulating material : de en
  • US2251448A - Starch making process : en
  • US2251454A - Preparing and molding material : en
  • US2251646A - Sandblast stencil : en
  • US2251877A - Electric resistance welding installation : en
  • FR51115E - Magnetic cores for charging coils and other electromagnetic devices : en fr
  • DE700324C - Cooling vessel for electrical transformers with radiators raised over the lid : de en
  • GB538570A - Improvements in or relating to butt-welding and butt-welded work : en
  • US2251698A - Road vehicle construction : en
  • AU277940A - Improved cooking range : en
  • DE709002C - Arrangement for the automatic evaluation of signals consisting of drawing elements of different lengths : de en
  • DE709181C - Process for the pretreatment of metal bodies prior to the molten coating with other metals : de en
  • FR51075E - Wire supplier or similar : en fr
  • US2251306A - Light sensitive circuit means : en
  • US2251316A - Switch : en
  • US2251687A - Brick manufacture : en
  • US2251795A - Gas generating method : en
  • DE709045C - Electrical switching device, in particular automatic switch : de en
  • DK58907C - Device for multi-channel carrier frequency systems. : da en
  • CA398437A - Cellulose ether stabilization : en fr
  • FR866379A - Improvements to radio transmission devices, especially very short waves : en fr
  • DE709102C - Arrangement for supplying power consumers working with arcs : de en
  • GB538494A - Improvements in or relating to percussive tools : en
  • CA398478A - Organic arsenic compound : en fr
  • FR51133E - Improvements to barbed wire, and process for their manufacture : en fr
  • DE709085C - Ball of yarn : de en
  • USD128610S - Design for a food mold or sevolar article : en
  • AU113566B2 - Improvements in radio relay systems : en
  • DE709222C - Filling plant : de en
  • GB538476A - Improvements in electrical systems of control for lifts : en
  • US2251695A - Preparation of fatty acid esters of aliphatic hydroxy compounds : en
  • US2251862A - Friction clutch : en
  • US2251672A - Method of casting concrete pavements : en
  • US2251693A - Preparation of monoglycerides : en
  • CA398525A - Azeotropic distillation dehydration : en fr
  • USD128691S - Design for a combined guard panel : en
  • US2251474A - Method of recovering selective solvents : en
  • USD128699S - Design for a dress : en
  • US2251675A - Grease dispensing apparatus : en
  • CA398482A - High molecular mixture separation : en fr
  • FR866376A - Striking grenade with safety device automatically put out of action, when throwing : en fr
  • IE17378L - Improvements in automatic drinking troughs for animals : en
  • CA398408A - Heterocyclic compound : en fr
  • FR866372A - Device for the admission of clean air inside barrels or other pierced receptacles : en fr
  • FR51104E - Improvements to agricultural machinery : en fr
  • GB538526A - Improvements in and relating to hydraulic control systems : en
  • GB538558A - Improvements in or relating to holding devices for or containing anti-condensation preparations for application to the visors or eyepieces of gas masks or respirators : en
  • FR866375A - Perfume manufacturing process : en fr
  • DE709100C - Ignition and operating device for electric, mains-operated discharge lamps : de en
  • GB538552A - Telephone systems : en
  • USD128619S - Design foe a transparent box toe shoe : en
  • DE709211C - Display device for torque wrench : de en
  • FR51108E - Molding process for the manufacture of metal blocks in aluminum alloys : en fr
  • CA398395A - Metal coating method : en fr
  • US2251353A - Process for recovering bromine and iodine from alkaline brines : en
  • GB538577A - Improvement in commercial phonographs : en
  • US2251280A - Steam generator : en
  • US2251670A - Wrapping device : en
  • DE709104C - Crucibles and molds, especially for shell engineering purposes, in whose walls aluminothermic mixtures are built : de en
  • FR866354A - Automotive trike : en fr
  • FR51146E - Improvements to gear changes for cycles : en fr
  • GB538575A - Improvements in or relating to electric circuit control systems particularly for illumination : en
  • GB538569A - Improvements in methods and apparatus for the removal of scale from the surface of metal bodies : en
  • CA398492A - Joint stud : en fr
  • CA398521A - Railway multiple control apparatus : en fr
  • CA398523A - Radio-frequency inductance unit : en fr
  • FR51060E - Fast photographic proofer : en fr
  • CA398431A - Gas generation : en fr
  • AU113554B2 - Improvements in or relating to radio navigational systems : en
  • GB538480A - Improvements in or relating to commutators for dynamo electric machines : en
  • US2251806A - Resinous reaction product and process therefor : en
  • US2251285A - Lasting machine : en
  • US2251571A - Catalytic treatment of hydrocarbons : en
  • US2251424A - Tire chain : en
  • US2251833A - Staple driving machine : en
  • AU282640A - Improvements in audio frequency amplifiers : en
  • CA398404A - Electric discharge apparatus : en fr
  • CA398405A - Electric discharge apparatus : en fr
  • US2251301A - Telephone system : en
  • US2251724A - Baseball game : en
  • US2251386A - Sign : en
  • US2251674A - Induction motor : en
  • CA398461A - Gelatin : en fr
  • US2251421A - Flow apparatus for oil wells : en
  • US2251689A - Railway traffic controlling apparatus : en
  • US2251680A - Phonograph : en
  • US2251788A - Offset disk harrow : en
  • USD128725S - Design foe a dress : en
  • AU288740A - Arrangements for suppressing parallel oscillation in push-pull amplifiers and oscillators : en
  • CA398470A - Window guide : en fr
  • US2251838A - Reciprocating mechanism : en
  • CA398445A - Fire extinguishing nozzle : en fr
  • DE709140C - Process to prevent overriding in arrangements for automatic control of the transmission rate : de en
  • USD128663S - Design for a plate or similar article : en
  • CA398515A - Roasting machine : en fr
  • US2251857A - Broom : en
  • US2251629A - Parasitic oscillation elimination : en
  • US2251635A - Telephone signaling apparatus : en
  • US2251284A - Lasting footwear : en
  • USD128662S - Design for a plate ok similar article : en
  • US2251278A - Gaseous electric relay tube : en
  • US2251873A - Apparatus for storing and dispensing stacked articles : en
  • USD128749S - Design fob a textile fabric : en
  • USD128664S - Design for a plate os : en
  • USD128650S - Design fok a jak : en
  • USD128677S - Design for a sign panel : en
  • USD128658S - Design fob an illtjminable vanity case : en
  • DE709142C - Flush ash removal device for furnaces : de en
  • CA398435A - Bromine production : en fr
  • US2251824A - Treatment of concrete forms : en
  • GB538464A - Improvements in or relating to friction clutches : en
  • GB538512A - Improvements in or relating to molds for casting purposes : en
  • GB538496A - Improvements relating to gas fires : en
  • GB538560A - Improvements in or relating to hand or power hammers : en
  • DE709038C - Sheathing for insulated electrical lines or cables : de en
  • US2251758A - Collar : en
  • USD128627S - Design for a bottle ob similar article : en
  • US2251291A - Strand handling apparatus : en
  • US2251606A - Lifting truck : en
  • FR51131E - Improvements in electromagnetic machines and devices and their manufacturing processes : en fr
  • CA398421A - Shaving implement : en fr
  • CA398351A - Cartridge cases for firearms : en fr
  • US2251431A - Striping instrument : en
  • US2251453A - Suspension mechanism : en
  • GB538572A - Improvements in or relating to liquid spray nozzles : en
  • US2251531A - Hosiery : en
  • USD128639S - Miniature artificial christmas tree : en
  • AU113571B2 - Improvements in or relating to machines adapted to apply levelling pressure to bottom portions of shoes : en
  • GB538440A - Improvements in and relating to electrical capacity boxes : en
  • FR866367A - Method of loading and packing explosives in hollow bodies by means of compressed air : en fr
  • US2251701A - Drill support : en
  • US2251575A - Apparatus for railway train communication systems : en
  • US2251423A - Air pump and alarm unit : en
  • GB538474A - Compounded mineral oil : en
  • FR51072E - Improvements made to lubricating oil heater filters for internal combustion engines : en fr
  • US2251293A - Hydraulic car lift : en
  • US2251315A - Switch : en
  • GB538564A - Improvements in or relating to stoppers for carboys, bottles, cans and like containers : en
  • FR51119E - Method and device for the impregnation of cables and similar articles of great lengths : en fr
  • GB538522A - Oral therapeutic and prophylactic : en
  • GB538538A - A press or tool for fastening flat circular and like terminals : en
  • DE709046C - Process for the production of flush-mounted boxes : de en
  • DE709207C - Machine to prepare for the assembly of chocolate hollow blocks : de en
  • DE709006C - Secondary emission amplifier : de en
  • GB538449A - Improvements in screw cutting dies : en
  • GB538503A - Improvements in and relating to nut members : en
  • GB538584A - Improvements in and relating to tube cleaning apparatus for boilers and the like : en
  • FR51098E - Process for the manufacture of electrically conductive elements : en fr
  • US2251797A - Invalid bed : en
  • FR866396A - Process for preparing a latex or rubber low in albumin : en fr
  • DE709117C - Siren with coordinated air chamber : de en
  • DE709075C - Process for the color development of silver halide images : de en
  • US2251459A - Process for the manufacture of mercaptothiazolines : en
  • FR866352A - Two-piece hinges coupled by superposition : en fr
  • GB538452A - Improvements relating to the mechanical finishing of textile materials : en
  • US2251512A - Curtain tieback bracket : en
  • US2251349A - Friction clutch : en
  • USRE21871E - Shelf support : en
  • SE102243C1 - : en
  • AU282740A - Improvements in and relating to electrically-operated motor vehicles : en
  • DE709135C - Attachment of the runner of multi-cell rotary piston machines on a continuous shaft : de en
  • FR866364A - Improvements relating to tension raisers : en fr
  • GB538493A - Improvements in or relating to electric motors and/or generators : en
  • US2251663A - Ventilating construction : en
  • GB538578A - Improvements in or relating to electrical integrating apparatus : en
  • FR51090E - Improvements to fixing devices : en fr
  • GB538548A - Process for the preparation of the double salt of calcium gluconate and calcium glucoheptonate, and solutions thereof : en
  • US2251281A - Container : en
  • FR51068E - Stabilized oscillators : en fr
  • GB538470A - Indicator and score board for dart players : en
  • US2251622A - Composite siding and roofing : en
  • GB538543A - Improvements in or relating to electric hot plates : en
  • DE709160C - Magnet or battery ignition device for internal combustion engines : de en
  • USD128732S - Design for a dress : en
  • GB538580A - Improvements relating to the protection of fuel tanks : en
  • DE709208C - Camera with coupled exposure meter : de en
  • GB538536A - Improvements in closures for orifices of containers : en
  • DE709053C - Device for the reciprocal longitudinal displacement of the eccentric shaft of flat ball joint machines : de en
  • GB538466A - An improvement in or relating to grinding or abrading machines : en
  • US2251292A - Production of tetrahydrofuranes : en
  • US2251347A - Rail car : en
  • US2251519A - Process for making polymeric materials : en
  • US2251540A - Coronaproof condenser plate : en
  • DE709183C - Driven spreader roller with elastic jacket : de en
  • GR9599B - MECHANICAL APPLICATIONS OF PRACTICAL NUMBERING. : el en
  • US2251329A - Rubbing machine : en
  • US2251442A - Portable disk abrading machine : en
  • US2251772A - Reel drive : en
  • US2251287A - Substituted cinnamic acid esters and amides : en
  • US2251412A - Handbag : en
  • USD128719S - Design for a dress : en
  • USD128611S - Design foe a culinary tongs : en
  • USD128722S - Design fok a deess : en
  • DE709161C - Device for chrome-plating tubular hollow bodies : de en
  • FR866388A - Process for the preparation of reactive oxyalkylamidine ethers-salts : en fr
  • AU390540A - Process and apparatus forthe recovery of useful products from coconuts : en
  • US2251372A - Bath mat : en
  • US2251521A - Brake operating means : en
  • US2251576A - Auxiliary safety pocket : en
  • US2251823A - Dispensing container : en
  • AU306540A - Identification plate for wool bales andthe like : en
  • US2251392A - Dispenser closure top : en
  • US2251815A - Shoe clamping press : en
  • US2251504A - Traffic signal : en
  • US2251668A - Brake mechanism : en
  • US2251841A - Swivel chair structure : en
  • CA398522A - Electrolytic condenser : en fr
  • US2251713A - Tire-pressure-equalizer and inflater : en
  • USD128715S - Design fok a dress : en
  • US2251725A - Air flow cooler : en
  • US2251790A - Air cleaner : en
  • US2251804A - Flexible coupling : en
  • US2251900A - Well surveying : en
  • DE709082C - Device for locking the frameless sash of double-sash windows : de en
  • DE709019C - Process for the continuous production of acidic sodium fluoride : de en
  • DE709154C - Hollow mowing machine drawbar : de en
  • US2251496A - Method of preparing cheese : en
  • DE709078C - Locking device for a spring-loaded roof of a motor vehicle to be opened in the event of an accident : de en
  • GB538477A - Improvements in chromium metallurgy : en
  • US2251445A - Assembly for driving clutches, brakes, and the like, and method of making the same : en
  • USD128740S - Design foe, a table cover ok similar article : en
  • GB538532A - Improvements in or relating to sheet feeders for printing and like machines : en
  • US2251869A - Pigment : en
  • USD128682S - Design for a brooch or similar article : en
  • DE709167C - Interchangeable pen with a push cap which is arranged to be rotatable and displaceable along the length and which is adjustable and displaceable on the lead holder to be brought into the writing position : de en
  • US2251494A - Voltage change-over relay : en
  • US2251605A - Collapsible structure : en
  • USD128737S - Design for a dress : en
  • DE709132C - Pistons for rotary piston machines of the multi-cell design : de en
  • FR51052E - Rescue bell : en fr
  • USD128680S - Design for a phonograph needle box : en
  • US2251720A - Brass bearing for journals : en
  • US2251711A - Round burner head : en
  • DE709024C - Typewriter type lever : de en
  • US2251886A - Apparatus for the manufacture of thread : en
  • US2251853A - Toothbrush : en
  • US2251896A - Safety device : en
  • US2251313A - Machine for trimming or slitting sheet material : en
  • AU113546B2 - Improved cooking range : en
  • US2251684A - Egg filtration process : en
  • US2251793A - Endless type motion picture projector : en
  • AU277840A - Improvements inthe manufacture of prewelted footwear : en
  • CA398459A - Water gas manufacture : en fr
  • CA398436A - Halogen extraction : en fr
  • US2251822A - Stack damper regulator : en
  • USD128733S - Design for a dress : en
  • USD128600S - Advertising sign or similar article : en
  • CA398466A - Speed mechanism switch : en fr
  • US2251561A - Circuit closer for elashlights : en
  • USD128701S - Design fob a deess : en
  • US2251745A - Method for manufacturing semiconducting resistors : en
  • US2251380A - Furnace unit : en
  • US2251878A - Loose-leaf binder : en
  • USD128641S - Combined water closet seat and toilet bowl : en
  • US2251271A - Gunrack : en
  • USD128739S - Design foe a suit : en
  • DE709091C - Extraction of titanium, vanadium, niobium or tantalum oxide hydrates : de en
  • GB538516A - Acetylene generator : en
  • AU113551B2 - Road scraper : en
  • US2251451A - Method and apparatus for electrical precipitation : en
  • DE709092C - Device for attaching or removing plates, in particular embossed printing plates, on or from the holders : de en
  • CA398506A - Selective switch : en fr
  • US2251279A - Power transmission : en
  • FR51086E - New method of locating enemy batteries, without interference and precision by cinematography and photography : en fr
  • US2251534A - High frequency terminal : en
  • DE709055C - Vulcanizing press for tire rim bands : de en
  • US2251464A - Power transmission : en
  • US2251837A - Trousers rectifier : en
  • US2251602A - Regulatable propeller having adjustable blades : en
  • USD128656S - Design fob a shelf for laundry tubs : en
  • DE709120C - Circuit for car light networks of alternating current railways : de en
  • US2251283A - Reclosable box : en
  • US2251406A - Cutter chain : en
  • US2251692A - Preparation of monoglycerides : en
  • US2251858A - Mold for plastic material : en
  • FR51097E - Improvements to discharge tubes : en fr
  • US2251296A - Paper product : en
  • DE709192C - Device for determining the plane of incidence of an alternating field : de en
  • GB538524A - Improvements in or relating to magnetic field structures for induction heating devices : en
  • FR866389A - Double needle needle ribbed hosiery loom with patterning device for the production of punched patterns : en fr
  • US2251374A - Dispensing device : en
  • US2251517A - Apparatus for soldering containers : en
  • CA398488A - Journal box and side frame : en fr
  • US2251269A - Rock drill : en
  • US2251845A - Record book holder : en
  • US2251855A - Light bulb handling device : en
  • DE709089C - Device for separating solids and water from a mixture containing specific fluids of different gravity, in particular from slightly fluid fuels : de en
  • CA398353A - Illuminated display sign : en fr
  • US2251549A - Mixing circuit for electrical prospecting : en
  • US2251880A - Muffler and silencer construction : en
  • US2251495A - Pole line hardware device : en
  • CA398481A - Television receiver circuit : en fr
  • GB538438A - Improved power-transmitting arrangement for motor-driven vehicles : en
  • CA398497A - Hydraulic scale : en fr
  • CA398352A - Waterproof sandpaper : en fr
  • CA398362A - Animated toy : en fr
  • CA398373A - Tank liquid removing apparatus : en fr
  • CA398430A - Vacuum apparatus : en fr
  • CA398496A - Weighing scale : en fr
  • CA398476A - Organic arsenic compound : en fr
  • US2251780A - Notebook : en
  • US2251536A - Method of manufacturing deter : en
  • USD128676S - Design for a button or similar article : en
  • CA398462A - Tabulating machine : en fr
  • US2251274A - Pump control : en
  • US2251370A - Heater for motor vehicles : en
  • US2251384A - Mop : en
  • GB538481A - Improvements relating to concrete construction : en
  • FR866395A - Method and devices for obtaining a remaining stable mixing ratio of elements used in the production of physical foam for extinguishing fires : en fr
  • US2251894A - Garment hanger : en
  • USD128711S - Design fok a dkess : en
  • US2251402A - Tie for boxes, bales, and the like : en
  • US2251435A - Tipping vehicle : en
  • US2251413A - Boring bar : en
  • USD128655S - Design for an overhead piloted ver- tical slide tool for lathes or the like : en
  • US2251345A - Safety seal for canned goods : en
  • US2251472A - Foot-operated guitar player : en
  • USD128645S - Design for a spoon or similar article : en
  • US2251350A - Throttle valve control mechanism : en
  • US2251440A - Furnace flue damper : en
  • US2251703A - Circuit breaker : en
  • US2251375A - Operating and locking sunshade : en
  • US2251578A - Roof truss : en
  • AU161640A - Improvements in or relating to radio navigational systems : en
  • CA398394A - Excavator tooth : en fr
  • US2251322A - Telegraphone : en
  • GB538563A - Improvements in and relating to gymnastic apparatus : en
  • US2251359A - High pressure inner tube tester : en
  • US2251649A - Air conditioning dehumidifier : en
  • US2251740A - Article display device : en
  • US2251321A - Storage pile and method of producing same : en
  • US2251501A - Syringe ampoule : en
  • US2251825A - Foot measuring device : en
  • DE709153C - Ash container with two flaps forming a dropping funnel and a deletion device : de en
  • US2251491A - Automatic stud driver : en
  • US2251717A - Coupling for tubes : en
  • US2251654A - Smoking pipe : en
  • US2251660A - Air-distributing apparatus for ventilating systems : en
  • USD128608S - Carpet or similar article : en
  • US2251369A - Silencer : en
  • US2251524A - Metallic weather strip : en
  • US2251839A - Removable truck body : en
  • US2251295A - Method and apparatus for coating sheet materials : en
  • US2251639A - Bicycle stand : en
  • US2251884A - Means for applying sealing strips, labels, or the like, to carton ends : en
  • DE709088C - Wetting agents, foaming agents and dispersants : de en
  • CA398507A - Signal transmission system : en fr
  • DE709030C - Transmission system for controlling alternating current : de en
  • DE709049C - Electric mixed light lamp, the envelope of which contains a discharge tube and a glow body serving as a series resistor : de en
  • US2251846A - Zinc chromate : en
  • US2251749A - Dental appliance : en
  • US2251332A - Cathode ray device : en
  • DE709206C - Musical instrument with electrical sound generation by tube generators : de en
  • FR51120E - Fastening systems for buttons : en fr
  • US2251775A - Concrete form : en
  • US2251583A - Manure loader : en
  • US2251753A - Portable tool case : en
  • CA398495A - Weighing device : en fr
  • US2251289A - Method of annealing steel : en
  • US2251309A - Multiuse winch tool for well drills : en
  • US2251667A - Self-propelling loader : en
  • USD128720S - Design for a dress : en
  • CA398378A - Electrical connector : en fr
  • CA398489A - Journal box assembly : en fr
  • US2251469A - Bearing : en
  • US2251566A - Dyestuff of the anthraquinone series : en
  • US2251616A - Script writer : en
  • FR866374A - Headlamp for automobiles : en fr
  • US2251371A - Homogenizer : en
  • USD128678S - Design for a glove : en
  • CA398390A - Squeeze tube closure : en fr
  • CA398398A - Metal shaping machine : en fr
  • AU116565B2 - High frequency sound dispersion means : en
  • US2251427A - Lifting jack : en
  • CA398425A - Lactic acid-producing starter : en fr
  • USD128713S - Design for a deess : en
  • US2251799A - Refrigerator shelf : en
  • CA398416A - Partition structure : en fr
  • US2251475A - Automatic speed regulator : en
  • US2251582A - Oven construction : en
  • US2251399A - Storage battery expander : en
  • US2251792A - Besetting mechanism fob begistebs : en
  • USD128604S - Design for a bottle or similar article : en
  • US2251548A - Shears : en
  • CA398369A - Fatty acid condensation product : en fr
  • CA398432A - Metallic member joining method : en fr
  • CA398479A - Electron tube : en fr
  • DE709042C - Cable distributor : de en
  • US2251761A - Spacing mechanism for machine tools : en
  • USD128692S - Design for a cape : en
  • USD128727S - Design for a dress : en
  • FR866361A - Improvements to rubber blocks or the like used as torsion springs : en fr
  • FR51127E - Steam generator : en fr
  • FR51143E - Process for the preparation of organic dyes : en fr
  • CA398501A - Rail joint : en fr
  • DE709209C - Process for the production of three-color partial images : de en
  • FR51134E - Higher hydrocarbon copolymers : en fr
  • CA398480A - Ultra short wave system : en fr
  • GB538568A - Method of manufacturing dried starch conversion products : en
  • FR51107E - Magnetic core with low hysteresis losses : en fr
  • DK58917C - Door handle with combination lock. : da en
  • CA398374A - Cooking stove : en fr
  • AU113567B2 - Improvements in and connected with control switches : en
  • US2251850A - Method of and apparatus for producing stereoscopic pictures : en
  • CA398491A - Abrading device : en fr
  • US2251755A - Coin handling apparatus : en
  • US2251872A - Zinc oxide pigment : en
  • US2251762A - Galley identification holding device : en
  • US2251716A - Coupling for tubes : en
  • FR866381A - Improvements to electrical devices such as those incorporating headphones : en fr
  • US2251893A - Brake actuator : en
  • USD128698S - Design fok a dress : en
  • US2251543A - Wabbler engine : en
  • US2251547A - Art of preparing derivatives of anacardic acid : en
  • US2251562A - Suction cleaner : en
  • USD128623S - Design for a roofing and linoleum kndye : en
  • DE709228C - Two or more drum stencil printer : de en
  • GB538441A - Improvements in or relating to refrigeration systems : en
  • FR51145E - Transformation of hydrocarbon oils in the presence of pulverized catalysts : en fr
  • FR51139E - Liquid storage tank : en fr
  • AU335140A - Improvements relating to electric signalling systems : en
  • US2251847A - Glass machine : en
  • FR51130E - Telephone system with several central stations and two-conductor junction lines blocked : en fr
  • GB538465A - Improvements in grinding or abrading machines : en
  • GB538562A - Improvements in or relating to refrigerator cabinets : en
  • CA398434A - Iodine production : en fr
  • GB538446A - An improved manufacture of aliphatic nitrates : en
  • GB538471A - Improvements relating to jacquard mechanisms : en
  • FR51128E - Compressor for hydraulic brakes and transmissions : en fr
  • FR866357A - Process for the auto-thermal circulation of liquids and application of said process to the lubrication of engines : en fr
  • US2251617A - Means for and method of controlling temperature, humidity, ventilation, and gas content in warehouses : en
  • GB538448A - Improvements in means for use in connection with the treatment of water by aeration : en
  • US2251813A - Azo dye : en
  • DE709219C - Method and device for applying covering strips to panes under tension : de en
  • US2251404A - Electrical distribution system : en
  • US2251702A - Mounting for abrading wheels : en
  • USD128631S - Vacuum cleaner : en
  • US2251632A - Recording device : en
  • USD128703S - Design for a dress : en
  • DK58904C - Procedure for Continuous Production of Oximes. : da en
  • GB538445A - Improvements in tube cutting machines : en
  • FR51102E - Mercury vapor tube or lamp : en fr
  • US2251344A - Machine for generating heat by friction : en
  • US2251450A - Stoker : en
  • USD128601S - Design for a baby santa claus doll : en
  • DE709141C - Device for measuring the maximum voltage of a surge generator : de en
  • US2251699A - Automobile crossing barrier : en
  • FR866369A - Magneto-thermal magnetic rocker relay : en fr
  • GB538583A - Improvements in or relating to caps for heat insulated flasks or like containers : en
  • FR866359A - Corrosion resistant ferrous metal sheet : en fr
  • US2251510A - Method of coating metallic articles : en
  • US2251652A - Safety razor : en
  • DE709123C - Zero setting device for counters u. like : de en
  • CA398453A - Photographic colour picture production : en fr
  • US2251405A - Dispensing box : en
  • US2251418A - Aircraft antenna : en
  • US2251715A - Tube coupling : en
  • DE709067C - Outlet valve in which the inlet is closed by a membrane : de en
  • USD128636S - Design for a smoking pipe : en
  • US2251565A - Receptacle : en
  • US2251731A - Tobacco handling device : en
  • DE709095C - Encapsulation with elastic restraint for piezoelectric crystals : de en
  • DE709190C - Cross frame system for goniometer : de en
  • AU113570B2 - Improved method of treating refractory ores : en
  • CA398502A - Brake shoe mounting : en fr
  • GB538547A - Improvements in or relating to propeller fan wheels : en
  • US2251507A - Stock watering device : en
  • DE709188C - Modulated decimeter wave transmitter : de en
  • DE709225C - Gas collection container : de en
  • US2251542A - Raisin stemmer : en
  • US2251817A - Method of borehole logging : en
  • US2251361A - Container and container manufcture : en
  • US2251694A - Dry cleaning solvent : en
  • DE709147C - vacuum cleaner : de en
  • DE709204C - Optical comparison instrument, in particular comparison microscope : de en
  • DE709220C - Two-plate gate valve, whose shut-off plates, which can be pressed onto the opposite seats, are controlled by angle levers which are hinged at one end to the slide frame which can be moved up and down : de en
  • FR51122E - Process for the preparation of heterocyclic compounds, of the pyridine, quinoline and isoquinoline series : en fr
  • GB538483A - Improvements relating to the clothing or encasing of girders, beams, stanchions and the like : en
  • GB538457A - Improvements relating to electric switches : en
  • US2251769A - Supporter in undergarments : en
  • DE709199C - Circuit arrangement for generating breakover vibrations : de en
  • GB538460A - Improvements in or relating to control mechanism for the wheel brakes of aircraft : en
  • US2251640A - Level attachment for pencils : en
  • DE709023C - Process for the production of neutral oxalic acid esters : de en
  • US2251312A - Trimming and/or cutting mechanism : en
  • CA398366A - Casting blow hole eliminator : en fr
  • GB538447A - Improvements in or relating to insulated electric conductors : en
  • FR51138E - Improvements to thermionic discharge devices : en fr
  • CA398509A - Selector switch : en fr
  • USD128742S - Design for a dress : en
  • GB538498A - Manufacture of water-soluble complex gold-peptone-saccharide compounds : en
  • US2251272A - Tape controlling means for news projecting machines : en
  • US2251770A - Lift for toilet seats : en
  • US2251789A - Air cleaner : en
  • GB538484A - A flexible gas bag or container and crate or housing into which same is caused to collapse on deflation : en
  • US2251411A - Water heater : en
  • US2251567A - Wheeled vehicle and steering caster therefor : en
  • US2251887A - Flexible fan unit : en
  • GB538451A - Improvements in or relating to the separation of minerals from ores : en
  • USD128669S - Design foe. a combined mirror and support : en
  • GB538436A - Improvements in or relating to electrical apparatus for measuring relative acceleration : en
  • DE709068C - Drive for mechanical torque amplifiers working with adjustable frictional engagement : de en
  • FR51062E - Electric calculating machine : en fr
  • CA398420A - Heated die platen and die : en fr
  • GB538500A - Improvements in or relating to roller track chains for vehicles : en
  • FR51096E - Improvements made to discharge devices : en fr
  • FR866392A - Radio transmitter : en fr
  • GB538485A - Improvements in or relating to metal-to-glass seals : en
  • FR866360A - Improvements in the manufacture of maritime packaging boxes or other : en fr
  • DE709111C - Process for sensitizing halide silver emulsions : de en
  • US2251726A - Method of manufacture of foliated glass : en
  • GB538576A - Improvements in or relating to electric illumination control systems : en
  • FR51116E - Device for creating a stream of cooled gas and for making it penetrate and distribute it among liquid masses : en fr
  • GB538506A - Improved linear-dimension gauge or comparator : en
  • FR51132E - Improvements in relays : en fr
  • US2251778A - Mono-(organo mercury) acetylides : en
  • USD128729S - Design for a dress : en
  • FR866387A - Method for preventing the adhesion of an organic liquid to a carbonaceous solid : en fr
  • GB538544A - Improvements in the treatment of rubber latex : en
  • DE709131C - Distribution chamber for reheater or feed water preheater : de en
  • DE709133C - Runner structure of a rotary piston machine with a non-circular inner shape of the housing : de en
  • US2251328A - Flexible sheet : en
  • US2251559A - Intermediates of the dibenzanthrone series and process of making them : en
  • DK58909C - Household appliance for slicing vegetables. : da en
  • US2251443A - Assembly for clutches, brakes, universal joints, and the like : en
  • GB538559A - Improvements in method of inlaying and inlaid articles : en
  • US2251744A - Spring clip : en
  • US2251569A - High efficiency resonant circuit : en
  • USD128633S - Combined shirt and collar protector : en
  • USD128614S - Design foe a scabbard : en
  • USD128708S - Design foe a dress : en
  • US2251438A - Feather treatment : en
  • US2251585A - Wall construction : en
  • US2251737A - Shelf : en
  • CA398428A - Amylaceous paste manufacturing apparatus : en fr
  • FR51063E - Collective oxygen dispenser with device allowing closed circuit breathing : en fr
  • US2251554A - Conversion of carbon monoxide with hydrogen into hydrocarbons : en
  • CA398499A - Windshield wiper : en fr
  • US2251258A - Axle-driven mechanism : en
  • DE709230C - Hydraulic control device for switching mechanisms of electrically operated vehicles : de en
  • US2251526A - Quinine solution : en
  • US2251552A - Fuel injection pump : en
  • US2251587A - Weed exterminating tool : en
  • USD128647S - Gladys by : en
  • USD128617S - Design for a shoe : en
  • DE709162C - Device for rerouting and forwarding control movements switched on in control lines, especially in aircraft : de en
  • US2251265A - Method and means for testing X-ray tubes : en
  • US2251642A - Manufacture of heat exchange tubing : en
  • USD128651S - Design for a picture frame : en
  • US2251373A - High tension transformer : en
  • US2251342A - Synchronizing free wheel transmission : en
  • US2251665A - Sound on film recording : en
  • US2251883A - Means for erecting cartons : en
  • US2251337A - Reed for looms : en
  • US2251363A - Venetian blind : en
  • CA398484A - Oil extraction process : en fr
  • AU282540A - Improvements in cathode ray tubes for television transmission or like purposes : en
  • AU15041A - Road scraper : en
  • US2251666A - Impulse sender : en
  • USD128696S - Design for a dress : en
  • US2251273A - Adhesive sheet and method of making the same : en
  • US2251326A - Method of making commutators : en
  • US2251499A - Building structure : en
  • US2251298A - Synthetic resin and process for making the same : en
  • US2251771A - Method of and apparatus for selecting fractions from fractionating condensers : en
  • US2251396A - Lasting tool : en
  • USD128615S - Design for a hanger : en
  • USD128632S - Design foe a pneumatic tire : en
  • USD128758S - Design for a dbess : en
  • US2251357A - Flush valve : en
  • US2251673A - Induction motor : en
  • DE701173C - Longitudinal beam for exercise bomb or the like. : de en
  • GB538459A - Improvements in electric contacts : en
  • US2251420A - Boiler for aircraft heating systems : en
  • US2251556A - Thermostatic heating plug : en
  • US2251831A - Refrigerating apparatus : en
  • DE709064C - Device on injection pump regulators for light oil injection internal combustion engines with supercharger : de en
  • GB538531A - A new or improved toy gun : en
  • CA398400A - Engine charge forming device : en fr
  • USD128603S - Design for a display sign : en
  • US2251803A - Tire tester : en
  • AU17040A - A method and means of locking bottles or jars orthe like in position when built up for display purposes : en
  • US2251647A - Sandblasting stencil : en
  • CA398487A - Electrical well-logging system : en fr
  • US2251338A - Carrier scraper : en
  • CA398510A - Sound volume indicator : en fr
  • DE709164C - Bicycle drive with a flywheel as an auxiliary drive : de en
  • FR51136E - Process for treating mineral oils using solvents : en fr
  • CA398429A - High vacuum production : en fr
  • USD128717S - Design foe a dress ensemble : en
  • CA398411A - Glass flatness measuring device : en fr
  • USD128755S - Design for a dress : en
  • DE709071C - Pan mill for preparing chocolate masses : de en
  • US2251379A - Vehicle brake mechanism : en
  • US2251678A - Vibratory conveyer and screen : en
  • AU283740A - Improvements in or relating to machines adapted to apply levelling pressure to bottom portions of shoes : en
  • US2251677A - Television system : en
  • USD128668S - Design for a bottle : en
  • US2251631A - Inductance device : en
  • USD128683S - Design for a tablecloth ok similar article : en
  • USD128762S - Design for a dress : en
  • US2251275A - Pressure relief valve : en
  • USD128671S - Design for a billfold ok similar : en
  • US2251568A - Gaseous relay tube : en
  • US2251604A - Internal combustion engine : en
  • US2251655A - Combine harvester construction : en
  • US2251432A - Cutting die : en
  • DE709205C - Piston valve : de en
  • GB538521A - Improvements in radio remote control systems : en
  • GB538528A - Improvements in or relating to brooches, or like ornaments for wear : en
  • US2251860A - Crankcase ventilator : en
  • US2251323A - Fluid operated means : en
  • US2251493A - Control system : en
  • US2251732A - Sanitary toilet seat cover : en
  • US2251791A - Twine containing and cutting device : en
  • US2251898A - Unitary volt reducing drop cord : en
  • DE709177C - Process for spinning high-melting oxides, especially quartz : de en
  • USD128734S - Design fob a dress : en
  • USD128754S - Design for a dkess : en
  • US2251669A - Badminton practice apparatus : en
  • US2251709A - Method of connecting wires to sleeves : en
  • CA398438A - Rubber to metal bonding process : en fr
  • DE709165C - Device for the administration of fuel and oil mixtures from the fuel hose of fuel pumps : de en
  • CA398382A - Electric arc furnace electrode control : en fr
  • CA398471A - Fur trimmed overshoe : en fr
  • DE709034C - Ultra-short wave amplifier device with oscillation circuits consisting of parallel coaxial conductors : de en
  • DE709114C - Device for storing items of clothing and equipment required for the air raid service or the like : de en
  • CA398503A - Well-logging by radioactivity : en fr
  • US2251890A - Supercalendering process : en
  • USD128751S - Design for a suit : en
  • GB538502A - Improvements in electro-magnetically operated contactors : en
  • DE709004C - Large transformer ready for operation on the railroad : de en
  • USD128756S - Design for a dress : en
  • DE709035C - Multi-stage direct current amplifier fed with alternating current : de en
  • GB538450A - Process for the manufacture of an azo dyestuff containing the arseno group : en
  • US2251333A - Stick feeding machine : en
  • US2251696A - Piston expander and method of installation : en
  • AU287040A - Improvements in radio relay systems : en
  • DE709115C - Arrangement on rotating compensation devices : de en
  • GB538504A - Improved feed mechanism for presses, punching and cutting machines : en
  • GB538508A - Improvements relating to seats for vehicles : en
  • DE709074C - Process for making diazotypes : de en
  • DE709080C - Spout stopper for bottles : de en
  • USD128707S - Design for a dress : en
  • USD128673S - Design for a typewpater casing : en
  • DE709063C - Arrangement on harpoon heads or harpoon grenades : de en
  • FR51105E - Rangefinder : en fr
  • US2251461A - Ice tray : en
  • US2251637A - High grass lawn mower : en
  • DE709138C - Circuit for amplitude control, especially for automatic control of the input voltage of amplifiers : de en
  • GB538468A - An improved process for obtaining the flesh of crustaceans, particularly shrimps : en
  • US2251282A - Ribbon forming machine : en
  • US2251593A - Fish lure : en
  • AU113549B2 - Improvements relating to electric signalling systems : en
  • DE709041C - Connection of electrical conductors to a sleeve that receives the conductor end or ends : de en
  • US2251513A - Corrugating machine : en
  • US2251596A - Switch mechanism : en
  • GB538513A - Improved method of dissolving hard and difficultly soluble resins : en
  • US2251895A - Production of tetrahydrofuranes : en
  • US2251624A - Plant bed protector equipment : en
  • CA398469A - Radio transmitter and receiver : en fr
  • US2251417A - Method of making torsion springs : en
  • GB538586A - Improvements in means for filling bottles or other containers with liquids or powders : en
  • USD128648S - Design for a liquid dispenser : en
  • US2251612A - Tuning dial : en
  • USD128646S - Design for a game board : en
  • FR51089E - Device for the automatic conversion into weight of a volume of liquid delivered at various temperatures : en fr
  • CA398354A - Tire tube : en fr
  • FR51101E - Removable paving, manufacturing process, means of production and new products obtained : en fr
  • GB538495A - Improvements in and relating to isolating valves : en
  • GB538455A - Improvements in fire hose : en
  • DE709016C - Schritfgutbehaelter with a mechanism consisting of a tube and a plug-in bracket : de en
  • USD128709S - Design for a dress : en
  • AU43241A - Improvements in collapsible and folding camp beds and stretchers : en
  • US2251481A - Flow control valve : en
  • CA398355A - Fastener slider : en fr
  • USD128637S - Design for a locket beooch : en
  • USD128743S - Design fob a dress : en
  • US2251843A - Spring shackle : en
  • USD128716S - Design for a dress : en
  • US2251545A - Tobacco pipe : en
  • USD128771S - Design for a dress : en
  • US2251625A - Change speed system : en
  • USRE21870E - Cigab : en
  • US2251682A - Ventilating construction : en
  • US2251439A - Combination display holder and napkin container : en
  • CA398467A - Resilient joint : en fr
  • USD128736S - Design for a dress : en
  • DE709076C - Cooled stuffing box, especially for hot liquid centrifugal pumps : de en
  • GB538439A - Improvements in exothermic mixtures for use in the production of iron and iron alloys and a method of using such mixtures : en
  • US2251483A - Automatic control for stokers : en
  • FR866378A - Improvements in rubber manufacturing and new products obtained : en fr
  • DE708986C - Bag filter with counter air purging : de en
  • US2251610A - Manufacture of embedding masses : en
  • CA398457A - Automobile bumper guard : en fr
  • DE709119C - Radiator or heater made of light metal with flat, thin-walled tubes : de en
  • US2251480A - Hair curling and drying apparatus : en
  • DE709033C - Feedback circuit arrangement for high-frequency tube devices : de en
  • DE709054C - Device for rolling pills : de en
  • DE709107C - Device for uniform feeding of wires through cleaning, pickling, plating and similar baths : de en
  • US2251626A - Brush cleaning rake : en
  • DE709109C - Single or multi-chamber bag filter : de en
  • DE709146C - vacuum cleaner : de en
  • FR51051E - Electromagnetic induction devices for measuring the speed of projectiles or other moving bodies : en fr
  • FR866383A - Wire damper with application in variable pitch air propeller : en fr
  • USD128730S - Design for a deess : en
  • GB538514A - Improvements in and relating to the construction of concrete floors and roofs : en
  • US2251555A - Frictionless roller bearing : en
  • CA398393A - Valve seat : en fr
  • DE709189C - Monitoring frames for aircraft : de en
  • FR866351A - Improvements to the construction of dwellings or the like and to the elements forming part of them : en fr
  • FR51067E - Electromagnetic brake motor : en fr
  • DE709044C - Grommet holder for electrical lines : de en
  • GB538573A - Improvements in or relating to resonators used in ultra high frequency electron discharge apparatus : en
  • US2251564A - Laundry device : en
  • US2251733A - Clamping washer : en
  • US2251754A - Vehicle wheel : en
  • US2251704A - Firetrap for motion picture projectors : en
  • USD128702S - Design fob a dress : en
  • DE709007C - Metal vapor discharge apparatus, in particular mercury vapor converters : de en
  • DE709136C - Freezer : de en
  • GB538443A - Improvements in and relating to waistbands of wearing apparel : en
  • GB538489A - Improvements in or relating to knitting machines : en
  • CA398367A - Seed tape making machine : en fr
  • US2251277A - Control apparatus for electrostatic drying : en
  • FR51135E - High molecular weight halogenated organic compounds and processes for their preparation : en fr
  • GB538525A - Improvements in or relating to optical apparatus : en
  • GB538539A - An improved power driven winch for hauling timber and the like : en
  • GB538587A - Improvements in television synchronizing-signal separators : en
  • DE709213C - Compressed air tool : de en
  • GB538461A - Process for the clarification of effluent liquids from paper mills and other factories : en
  • US2251320A - Fluid control means : en
  • US2251336A - Die and die holder : en
  • US2251527A - Syringe and ampoule : en
  • GB538579A - Improvements in oil-fired heating devices for refrigerator cabinets : en
  • GB538588A - Improved condiment receptacle : en
  • US2251398A - Motor mounting : en
  • US2251288A - Manufacture of resistant materials : en
  • US2251779A - Electrode holder : en
  • FR51125E - Improvements to heavy alloys : en fr
  • FR866365A - Improvements to pressurized fluid actuators : en fr
  • DE709086C - Shock-absorbing container : de en
  • US2251608A - Television projector : en
  • DE709040C - Device for the electrically conductive connection of wire ends : de en
  • US2251511A - Ventilator : en
  • US2251570A - Document photographing machine : en
  • US2251263A - Grafting substance : en
  • AU288640A - Improvements in radio communication systems : en
  • US2251477A - Method of making hats : en
  • US2251300A - Telegraphone and like apparatus : en
  • US2251348A - Can opener : en
  • FR51150E - Advanced cookie cutter and its manufacturing method : en fr
  • CA398451A - Suction cleaner brush : en fr
  • CA398486A - Concrete curing process and composition : en fr
  • DE709079C - Device on motor vehicles for the purpose of automatically switching off the electric current in the event of an accident : de en
  • CA398473A - Lapping machine : en fr
  • US2251849A - Tool sharpener : en
  • AU113568B2 - Identification plate for wool bales andthe like : en
  • DE703800C - Two-stroke internal combustion engine : de en
  • USD128640S - Design for a vase ok similar article : en
  • DE708907C - Process for the electrically conductive connection of objects made of silicon carbide with parts made of metal or metal alloys : de en
  • CA398410A - Atmosphere pollution studying apparatus : en fr
  • US2251489A - Dispenser for elongated articles : en
  • US2251852A - Electric time switch : en
  • US2251463A - Safety lock end connection : en
  • US2251544A - Furniture : en
  • US2251722A - Emergency support for flexible couplings : en
  • US2251686A - Lubricating compound : en
  • USD128659S - Design fob a wall cabinet : en
  • CA398385A - Overhead door : en fr
  • US2251623A - Speedometer : en
  • US2251811A - Fabric and method of knitting : en
  • USD128753S - Design fob a dress ensemble : en
  • GB538473A - Improvements in ciphering machines : en
  • AU113558B2 - Improvements in visual course indicators for radio directive systems : en
  • CA398468A - Skiving machine : en fr
  • CA398387A - Computing scale attachment : en fr
  • FR51113E - Hydraulic control of wheel brake shoes in a vehicle : en fr
  • US2251419A - Vibratory motor : en
  • US2251444A - Assembly for driving clutches and the like : en
  • FR51126E - Advanced sulfur oils : en fr
  • DE709098C - Telegraph overlay receiver : de en
  • FR51110E - Electrical installation for motor vehicles : en fr
  • US2251747A - Pusher-type solenoid : en
  • US2251866A - Measuring device for garments : en
  • USD128687S - Design for a coat : en
  • DE709052C - Drive device for a gas generator ash bowl or the like. : de en
  • GB538488A - Improvements in dash-operated latch and safety catch mechanism for lid type motor vehicle hoods : en
  • GB538527A - Improvements in apparatus for recording and reproducing sound : en
  • US2251819A - Preparation of salts of oxidized petroleum acids : en
  • DE709156C - Fly glue : de en
  • AU246340A - Improvements in and relating to suction gas producers : en
  • DE709224C - Receiving arrangement for telemetry systems working according to the pulse frequency method : de en
  • CA398364A - Cottage cheese : en fr
  • US2251366A - Clutch : en
  • CA398442A - Television system : en fr
  • DE709050C - Device for the ignition of mercury vapor rectifier flasks : de en
  • US2251601A - Spout : en
  • US2251400A - Fastening strip material : en
  • US2251763A - Electrical timer : en
  • DE709221C - Pump for dosing amounts of liquid for several consumption points, especially a lubricating pump : de en
  • US2251446A - Closure for bottle stoppers and pourers : en
  • USD128638S - Design for a flashlight : en
  • US2251487A - Tooth point : en
  • US2251573A - Electronic tube : en
  • US2251805A - Means for producing flat knitted fabric with inlaid elastic yarn : en
  • USD128653S - Lathe bench : en
  • US2251759A - Lifting jack : en
  • US2251516A - Control device for carburetors on motor vehicles : en
  • US2251346A - Telephone system : en
  • DE709229C - Brake magnet for rail brakes : de en
  • US2251422A - Dry pipe valve : en
  • CA398379A - Internal combustion engine : en fr
  • CA398490A - Radio receiver : en fr
  • US2251859A - Apparatus for the extraction of juices : en
  • CA398360A - Illuminated compact : en fr
  • AU1340244A - Improvement in pulse-echo distance indicator : en
  • US2251736A - Counter cooler : en
  • AU113560B2 - A method and means of locking bottles or jars orthe like in position when built up for display purposes : en
  • CA398512A - Upright piano : en fr
  • DE709124C - Device for reducing ground resistance by means of electrical current : de en
  • DE709197C - Electrodynamic system for active power, reactive power or apparent power meters and relays : de en
  • US2251683A - Regulating apparatus for dynamoelectric machines : en
  • DE709203C - Stretcher frame with support arms for the bearers of the stretcher supporting rails : de en
  • GB538571A - Improvements in or relating to automatic electrode control apparatus for arc furnaces : en
  • FR866363A - Method of transporting or projecting electrical energy and equipment allowing its implementation, in particular for military purposes : en fr
  • USD128695S - Design foe a coat : en
  • USD128745S - Design for a suit : en
  • CA398500A - Power transmitting unit : en fr
  • FR866394A - Operating a machine by means of graphic characters : en fr
  • US2251584A - Passenger vehicle : en
  • US2251897A - Thread protector : en
  • CA398368A - Sealer lifter : en fr
  • CA398441A - Electron discharge device : en fr
  • US2251628A - Freezing tray : en
  • US2251723A - Spring nut fastener or the like : en
  • US2251861A - Illuminable display structure : en
  • DE709025C - Device for preventing the ingress of air into ovens filled with protective gas : de en
  • FR51055E - Electro-magnetic obstacle detection method by zero method, device realizing it and its applications : en fr
  • CA398417A - Moulded pulp article producing apparatus : en fr
  • USD128688S - Design for a bracelet or similar article : en
  • US2251691A - Dry cleaning solvent : en
  • CA398376A - Hydraulic epicyclic transmismission device : en fr
  • US2251651A - Coupler : en
  • US2251452A - Tilting road scraper : en
  • FR51083E - Fretted wood aerial propeller and its manufacturing process : en fr
  • US2251589A - Boiler : en
  • US2251590A - Obstruction remover for drain pipes : en
  • US2251776A - Method and means for winding coils : en
  • US2251303A - Treating molten metal : en
  • USD128748S - Design for a fruit juice extractor : en
  • USD128767S - Design fob a dress : en
  • FR51079E - Removable, folding and articulated bed, more especially for camping or emergency bed : en fr
  • US2251563A - Closure for cosmetic jars and the like : en
  • USD128741S - Design fob a table coves, ob similar aexicle : en
  • USD128629S - Design for a finger : en
  • US2251881A - Zone air conditioning control system : en
  • US2251595A - Hay derrick : en
  • US2251648A - Pressure operated electric switch : en
  • CA398440A - Anchor nut : en fr
  • FR51141E - Improvements to pumps : en fr
  • US2251343A - Binding arrangement : en
  • US2251390A - Means for mounting bobbins on spindles to dampen the vibration thereof : en
  • USD128606S - Design fob a leash handle : en
  • USD128761S - Design for a dress ensemble : en
  • US2251710A - Gas burner : en
  • US2251592A - Door catch extension : en
  • US2251662A - Internal expansion engine : en
  • US2251297A - Synthetic resin and process for making the same : en
  • AU12741A - Improvements in method and apparatus for foaming liquids : en
  • CA398519A - Thread winding mechanism : en fr
  • AU113672B2 - Process and apparatus forthe recovery of useful products from coconuts : en
  • US2251882A - Cam grinding machine : en
  • US2251885A - Grinding machine footstock : en
  • US2251383A - Steam generating system : en
  • USD128772S - Design fok a dress : en
  • FR866380A - Improvements to radio transmission devices, especially very short waves : en fr
  • DE709032C - Device for generating ultra-short waves : de en
  • DE709171C - Arrangement for telephones or the like in caps : de en
  • GB538490A - Improvements in or relating to the production of knitted fabrics : en
  • CA398389A - Friction clutch : en fr
  • CA398517A - Expansion shield making apparatus : en fr
  • US2251794A - Preselection tuning system : en
  • GB538557A - Improvements in and relating to screening or like reciprocating mechanism : en
  • US2251863A - Machine tool drive : en
  • DE709057C - Fault recorder : de en
  • CA398427A - Record resurfacing machine : en fr
  • GB538545A - Improvements in or relating to the hydraulic operation of flaps or the like on aircraft : en
  • CA398396A - Respirator : en fr
  • GB538565A - Improvements in high vacuum distillation : en
  • DE709214C - Method and device for cutting peat : de en
  • DE709235C - Process for the photographic recording of X-ray images : de en
  • DE709170C - Braun tube with asymmetrical glass body for television purposes : de en
  • USD128613S - Design for a dispenser cap : en
  • US2251888A - Fan blade unit : en
  • USD128721S - Design foe a dress : en
  • FR51077E - Disinfection product : en fr
  • CA398386A - Locking mechanism : en fr
  • AU113553B2 - Improvements in or relating to process of treating ferro C titaniferous materials : en
  • CA398485A - Oil extraction process : en fr
  • AU113555B2 - An improved safety relief valve for steam boilers, air compressors andthe like : en
  • CA398444A - Engine fuel mixture production : en fr
  • US2251808A - Friction closure container : en
  • USD128704S - Design for a dress : en
  • DE709018C - Device for the continuous implementation of adsorption processes : de en
  • CA398439A - Coal washing apparatus : en fr
  • CA398494A - Percentage indicating scale : en fr
  • DE709217C - Method for producing an electrode with a roughened surface, in particular for electrolytic capacitors : de en
  • CA398406A - Electric regulator : en fr
  • CA398472A - Gear cutting machine : en fr
  • FR51149E - Improvements to artificial materials : en fr
  • GB538554A - Improvement in devices for applying power to brake members : en
  • CA398483A - Oil extraction process : en fr
  • FR51058E - Pulse telegraphy system applicable to morse baudot codes and the like : en fr
  • DE709026C - Arrangement of coupling rod ends on locomotives or the like. : de en
  • DE709069C - Driving tool for the production of curvatures of profile sheets : de en
  • US2251615A - Automobile brake indicator : en
  • US2251741A - Mechanism for producing curved metal articles : en
  • US2251870A - Pigment : en
  • DE709215C - Titanium and aluminum-containing steel alloys for devices for the pressure hydrogenation of coals, tars, mineral oils or for the splitting of hydrocarbon oils : de en
  • US2251580A - Conversion of olefinic hydrocarbons : en
  • US2251814A - Knockdown display rack : en
  • USD128634S - Invfntor by : en
  • GB538546A - Improvements in tyres and wheels for vehicles, and their production : en
  • DE709048C - Device for measuring the coercive force of ferromagnetic bodies : de en
  • DE709179C - Method for exciting spectra : de en
  • FR51111E - High pressure mercury vapor discharge tube, artificially cooled : en fr
  • US2251613A - Surface smoothness tester : en
  • DE709195C - Dual pole disconnecting installation circuit breaker : de en
  • US2251638A - Shelf bracket : en
  • FR866366A - Method of compacting explosives by centrifugal force : en fr
  • US2251365A - Photographic sensitive material : en
  • USD128621S - Design fob a piano case : en
  • FR51137E - Improvements in electromagnetic machines and devices and their manufacturing processes : en fr
  • FR51092E - Firearm for shooting against planes : en fr
  • FR51099E - Container for dispensing milk : en fr
  • DE709003C - Arrangement for amplification and frequency conversion at the line ends of carrier frequency telephony systems : de en
  • GB538467A - An apparatus for filtering and scrubbing gases : en
  • US2251656A - Safety attachment for trailer couplings : en
  • DK58911C - Measuring device for Butter and similar plastic or viscose Masses. : da en
  • GB538437A - Improved process for the treatment of rice and other cereals : en
  • GB538518A - Means for gripping and centering a bobbin or the like on the spindle of a spinning, twisting or like machine : en
  • US2251538A - Dual wheel vehicle : en
  • USD128728S - Design fob a dress : en
  • DE709223C - Sausage casing combined from an artificial casing and a natural casing : de en
  • CA398401A - Display device : en fr
  • US2251441A - Valve : en
  • CA398464A - Change-speed gearing : en fr
  • FR51065E - Glass yarn made from sleeves of intertwined filaments which are subjected to drawing in tubular form so as to make a yarn : en fr
  • FR51129E - Further training in food processing equipment : en fr
  • US2251382A - Frequency modulated wave receiver : en
  • US2251307A - Scraper : en
  • US2251643A - Fastening device : en
  • US2251324A - Combined assembling press and welding machine : en
  • US2251319A - Choker hook : en
  • US2251473A - Camera : en
  • US2251314A - Refrigeration : en
  • US2251658A - Refrigeration apparatus : en
  • FR51059E - Self-adjusting propeller, especially air : en fr
  • US2251751A - Combustion guide for aircraft engines : en
  • USD128685S - Design for a dental bkush : en
  • US2251409A - Electric fuse : en
  • DE709202C - Process for the preparation of monoazo dyes : de en
  • USD128757S - Design for a beach ensemble suit : en
  • US2251532A - Circular knitting machine : en
  • CA398402A - Trailer tank : en fr
  • USD128769S - Design for a dress : en
  • CA398514A - Plastic composition : en fr
  • US2251712A - Means for shooting oil wells : en
  • US2251433A - Cap making apparatus : en
  • US2251659A - Valve bag filling spout means : en
  • AU288840A - Improvements in visual course indicators for radio directive systems : en
  • US2251764A - Housing : en
  • USD128697S - Design for a dress : en
  • US2251738A - Lubricating oil : en
  • AU278240A - Improvements in or relating to stains : en
  • CA398399A - Resin-impregnated sheet material : en fr
  • USD128731S - Design for a dress : en
  • USD128773S - Design for a deess : en
  • US2251820A - Rail bond : en
  • CA398527A - Self-inductance device : en fr
  • DE708854C - Roller switch, in which pre-contacts are arranged for the spark-free switching on and off of contact paths for resistance levels : de en
  • US2251509A - Color clock : en
  • CA398448A - Suction cleaner : en fr
  • DE709020C - Process for the electrolytic production of supersulfuric acid and persalts in cells combined like a filter press : de en
  • DE694934C - Switch with multiple interruptions and spark extinguishing in the manner of extinguishing spark gaps : de en
  • US2251528A - Method of manufacture for brick or block greases : en
  • CA398372A - Scale lever system : en fr
  • DK58914C - Apparatus for pasteurizers for heating milk and other liquids by means of steam. : da en
  • DE709212C - Tension wrench with hydraulic clamping force display device : de en
  • US2251479A - Driving means for sheet feeders : en
  • US2251607A - Abrading machine : en
  • US2251783A - Fuel pump for engines : en
  • AU113545B2 - Improvements inthe manufacture of prewelted footwear : en
  • US2251462A - Valve stem and handle : en
  • US2251484A - Electric valve control system : en
  • DE709061C - Electric adding machine : de en
  • US2251577A - Electric razor : en
  • US2251786A - Television recording apparatus : en
  • US2251430A - Inflation system and apparatus for operating the same : en
  • US2251362A - Knee guard : en
  • USD128760S - Design fob a dress : en
  • US2251630A - Manifold heater and control circuits for the same : en
  • DE709210C - Trolley without self-propulsion for paddle wheel arm : de en
  • CA398526A - Piezoelectric apparatus : en fr
  • US2251368A - Stop mechanism for sewing machines : en
  • US2251620A - Electric razor : en
  • US2251856A - Power device : en
  • US2251425A - Molding machine : en
  • US2251743A - Manufacture of ortho-phenoxy-benzoic acid : en
  • US2251867A - Plant can splitting device : en
  • USD128620S - Design for a suit button : en
  • US2251497A - Bottle cleaning brush apparatus : en
  • AU113562B2 - Energy transfer circuits : en
  • DE709125C - Process for the production of pressed parts with threads : de en
  • CA398370A - Lock : en fr
  • CA398475A - Paper machine hydraulic inlet system : en fr
  • GB538482A - Improvements in or relating to the package of razor blades : en
  • CA398524A - Rubber coated fabric : en fr
  • CA398407A - Electric discharge apparatus : en fr
  • USD128746S - Design fob a dbess : en
  • US2251868A - Pumping apparatus : en
  • US2251902A - Code practice set : en
  • DE709058C - Two-part, hydraulically relieved distribution rotary valve for fluid meters working according to the displacement principle, in particular piston flow meters : de en
  • US2251339A - Involute curve testing machine : en
  • US2251641A - Apparatus for testing materials : en
  • CA398504A - Highway guard : en fr
  • AU62241A - Improvements in or relating to process of treating ferro C titaniferous materials : en
  • GB538574A - Improvements in and relating to gyroscopic apparatus : en
  • GR9602B - IMITATION OF WOODEN ARTIC CORK FOR SHOES. : el en
  • US2251416A - Spring and method of making same : en
  • US2251506A - Dirt lifting tractor auger : en
  • US2251875A - Storage and dispensing apparatus : en
  • US2251331A - Retainer for bed coverings and the like : en
  • US2251426A - System for supplying feed water to boilers : en
  • US2251460A - Ice tray : en
  • DE685511C - Method and device for hardening glass plates : de en
  • USD128684S - Design for a radio transmitter : en
  • USD128705S - Design for a dress : en
  • US2251879A - Spinning apparatus : en
  • US2251874A - Storage and dispensing apparatus : en
  • US2251892A - Capillary active compounds and process of preparing them : en
  • DE709070C - Candy stamping machine : de en
  • DK58902C - Process for the production of ring ketones of the saturated or unsaturated Cyclopentanopolyhydrophenanthene series with unsaturated side chain. : da en
  • CA398449A - Floor polisher : en fr
  • AU283440A - An improved safety relief valve for steam boilers, air compressors andthe like : en
  • US2251341A - Moldboard for plows and method of making same : en
  • US2251514A - Valve : en
  • USD128652S - Design for a deess : en
  • US2251260A - Insect trap : en
  • DE702638C - Device for continuous casting of metal pipes : de en
  • US2251636A - Control system for gas-air plants : en
  • US2251773A - Solvent treatment of hydrocarbon oils : en
  • USD128689S - Design for a textile fabric : en
  • US2251428A - Drill pipe protector : en
  • AU113548B2 - Improvements in or relating to stains : en
  • DE709137C - Contact device for rail current closers : de en
  • CA398412A - Screw driver for screw sticks : en fr
  • AU237441A - High frequency sound dispersion means : en
  • GB538533A - Improvements in or relating to artificially-cooled high-pressure mercury-vapour discharge tubes : en
  • US2251644A - Fastening device : en
  • USD128657S - Design for an animal shoe or the like : en
  • US2251397A - Wave-signal receiver including duplex frequency-changer stages : en
  • US2251290A - Bottom hole hydropneumatic power unit : en
  • US2251502A - Temporary silo and method of construction : en
  • US2251634A - Method of and apparatus for perforating : en
  • AU292040A - Improvements in and connected with control switches : en
  • CA398358A - Easy chair and settee : en fr
  • DK58906C - Telegraph receiver. : da en
  • US2251391A - Quick opening envelope : en
  • US2251335A - Photographic device : en
  • CA398528A - Electric furnace current supply device : en fr
  • GB538434A - Improvements relating to electrical protective systems : en
  • AU113550B2 - Improvements in method and apparatus for foaming liquids : en
  • US2251492A - Paper machine press : en
  • CA398361A - Milk filtering and cooling device : en fr
  • CA398463A - Electromagnetic wave sounding device : en fr
  • GB538492A - Stereoscopic viewing device : en
  • US2251395A - Table top : en
  • US2251621A - Hull for boats : en
  • US2251835A - Production of tetrahydrofurane from 1,4-butylene glycol : en
  • US2251381A - Automatic phonograph : en
  • DK58913C - Heat exchange device for Dairy Farm. : da en
  • US2251664A - Liquid circulating system : en
  • USD128609S - Design for a screw driver bit : en
  • US2251591A - Carrier : en
  • US2251541A - Coke oven door locking means : en
  • US2251760A - Wheel bearing seal : en
  • US2251457A - Paint sprayer : en
  • US2251679A - Core drill apparatus : en
  • CA398388A - Postal franking machine : en fr
  • US2251611A - Cigar lighter : en
  • US2251311A - Textile machinery : en
  • US2251603A - Dictating machine : en
  • DE709121C - Circuit arrangement for electric traction vehicles operated from an alternating current network with rectification of the alternating current by a converter and with direct current motors : de en
  • USD128700S - Design fob a dress : en
  • US2251730A - Safety hand vise : en
  • USD128654S - Design fob a brush frame : en
  • CA398424A - Homogenized milk product : en fr
  • US2251299A - Portable hammock assembly : en
  • US2251598A - Automatic clutch mechanism : en
  • USD128622S - Design for a container cap : en
  • DE708954C - Seating and reclining furniture with backrests : de en
  • FR51054E - Devices for the production of induced electric currents applied to the economy of motive power and the like : en fr
  • DE709198C - Arrangement for regulating and keeping constant counting stations or other measuring devices supplied electrical quantities : de en
  • DE709201C - Process for fusing the glass parts closing the vacuum vessel of a discharge tube : de en
  • DE709184C - Flexible change cover for newspapers, magazines, etc. like : de en
  • AU113547B2 - Improvements in or relating to machines organised for pressing breast flaps on shoe soles against heels : en
  • US2251777A - Sensitized photographic emulsion : en
  • DE709130C - Process for the preparation of oxyalkyl ethers of china alkaloids : de en
  • FR51053E - Improvements in radio direction finding : en fr
  • US2251505A - Electromagnetic motor : en
  • US2251294A - Suction cleaner : en
  • US2251407A - Vehicle parking device : en
  • US2251748A - Composition for treating aqueous fluids : en
  • USD128649S - Cabinet for disk dictating machine : en
  • USD128714S - Design for a suit : en
  • US2251581A - Combined stalk cutter and rake : en
  • US2251901A - Method and apparatus for rolling curved sheets : en
  • DE709118C - Device for changing the tension of the type lever return springs on typewriters : de en
  • US2251485A - Shortening stabilization : en
  • US2251750A - Pusher-type electromagnet : en
  • DE709105C - Material testing machine for static tensile, compression and bending tests : de en
  • GB538582A - Improvements in and connected with overload released electrical switchgear : en
  • US2251719A - Road marking apparatus : en
  • FR866373A - Tool for quickly scratching firearms : en fr
  • US2251842A - Corn sheller : en
  • US2251537A - Electrical transient prospecting : en
  • FR51123E - Transformation of hydrocarbon oils in the presence of pulverized catalysts : en fr
  • DE709128C - Coal tar-coated rock for road construction : de en
  • CA398446A - Suction cleaner outlet : en fr
  • US2251351A - Treadle process : en
  • US2251518A - Belt guide for cigarette machines : en
  • DE709193C - Directional antenna system for aircraft landing purposes : de en
  • USD128660S - Design for a toilet mirror : en
  • US2251685A - Rail anchor : en
  • US2251796A - Gas generating apparatus : en
  • DK58901C - Apparatus for Folding End Shutters for Boxes. : da en
  • FR51073E - Improvements to processes for the treatment of vegetable and animal oils and fats : en fr
  • US2251482A - Hinge : en
  • US2251352A - Gauge for determining rate of rainfall : en
  • US2251840A - Ceiling tile : en
  • DE709122C - Method for receiving messages transmitted at a carrier frequency : de en
  • US2251467A - Carpet sweeper : en
  • US2251490A - Refrigerating apparatus : en
  • US2251832A - Conveyer : en
  • US2251834A - Shaper broach : en
  • DK58912C - Air cooling device by Cylinders in Row motors. : da en
  • US2251739A - Method and apparatus for inspecting tubing : en
  • US2251653A - Photoelectric tube : en
  • CA398363A - Ribbon burner : en fr
  • DE709037C - Process for the production of thermal expansion compensation in hydraulic telecommunication and control lines o. : de en
  • GB538510A - Improvements in the manufacture of coffee substitutes : en
  • CA398447A - Suction cleaner coupling : en fr
  • DE709077C - Smallest glide ratio helicopter : de en
  • CA398381A - Cooker and heater : en fr
  • US2251553A - Blower : en
  • US2251267A - Variable leverage brake : en
  • US2251619A - Machine tool transmission and control mechanism : en
  • DK58916C - Combination lock for bicycles. : da en
  • CA398511A - Electrical apparatus protective device : en fr
  • GB538475A - Improvements in the manufacture of rubber and like hose : en
  • GB538515A - Improvements in or relating to marine life saving equipment : en
  • GB538487A - Method for recovering hydroxy-3-aetiocholenic acid and its esters : en
  • USD128770S - Design for a dress : en