• US2292092A - Cabinet cover : en
  • US2292256A - Apparatus for mixing hot and cold liquids : en
  • US2291607A - Cooling device for engines : en
  • US2292200A - Pigmented emulsion and method of producing it : en
  • USRE22156E - Pipe coupling and pipe clamp : en
  • US2292171A - Electric valve operated motor : en
  • US2291867A - Firearm of the recoiling type : en
  • CA406523A - Metal hardening control system : en fr
  • US2291756A - Resilient trolley wheel : en
  • US2292101A - Beverage cartridge : en
  • US2292011A - Process for the preparation of lightweight products : en
  • US2291861A - Infant's outer garment : en
  • US2291903A - Cable clamp : en
  • US2292217A - Finder hood construction : en
  • US2292002A - Basing cement for lamps and similar devices : en
  • US2292138A - Hot water heating system : en
  • US2292294A - Relief valve : en
  • US2291826A - Refrigerating mechanism : en
  • US2292161A - Magnetic shielding : en
  • US2292274A - Process for the production of a cooked and puffed wheat product : en
  • US2292287A - Warp knitting machine : en
  • DE723640C - Cooling device for recooled electrical machines of high performance with radially divided axial fans : de en
  • CA406611A - Erythrina alkaloid : en fr
  • US2291796A - Combined article of furniture and radio receiving set : en
  • US2292299A - Athletic shoe : en
  • US2292004A - Automobile body heater : en
  • US2292298A - Locomotion device for vehicles : en
  • CA406535A - Dry cell battery unit : en fr
  • CA406587A - Photographic silhouette record production : en fr
  • US2291650A - Shear and stapling apparatus : en
  • DE723596C - Resilient vehicle buffers or bearing bodies : de en
  • FR874351A - Aluminum cable liners : en fr
  • US2291879A - Crankcase ventilator : en
  • DK60016C - Device for radio receivers for switching on and off a power switch. : da en
  • CA406460A - Wheel hub cap : en fr
  • FR874256A - Metal roof tile : en fr
  • US2291894A - Pulley device : en
  • US2292001A - Venetian blind construction : en
  • US2292308A - Lubricating oil composition : en
  • FR874387A - Time switch : en fr
  • US2292083A - Fluid pressure control device : en
  • USRE22151E - Pressure regulator : en
  • DE723649C - lubricant : de en
  • US2291749A - Circuit control for amusement apparatus : en
  • USD133279S - Design for a shoe : en
  • US2292005A - Fuse indicator : en
  • US2291914A - Lighter for gas burners : en
  • US2292215A - Automobile tire chain : en
  • US2291736A - Refrigerator cabinet : en
  • US2292049A - Attachment plug : en
  • DE723461C - Valve and crankless piston pump controlled by a rotating slide : de en
  • US2292163A - Radio receiver : en
  • DE723490C - Device for wrapping threads with a mass containing adhesive : de en
  • US2292289A - Display device : en
  • US2292324A - Writing aid : en
  • GB546884A - Improvements in or relating to film spool supporting means for photographic cameras : en
  • US2291771A - Apparatus for the determination of the moisture content of sand and other materials : en
  • CA406448A - Power-transmission mechanism : en fr
  • US2292245A - Remote control system : en
  • US2292343A - Carbon pack : en
  • DE723627C - Process for finishing yarns and fabrics made from natural cellulose fibers : de en
  • CA406561A - Telephone system : en fr
  • US2291832A - Coating method and apparatus : en
  • CA406531A - Wet material drying and heat treating apparatus : en fr
  • US2292211A - Yarn conditioning process : en
  • USD133304S - Design for a button : en
  • DE723326C - Electrical switch for high currents with overcurrent release : de en
  • DE723091C - Process for the preparation of water-soluble monoazo dyes : de en
  • AU412440A - Coat or similar garment and improved method of making same : en
  • CA406445A - Merchandise container : en fr
  • DE723629C - Process for the preparation of solid diazonium salts : de en
  • DE723319C - Spooling machine for the production of spools with constant or decreasing or increasing length of the winding layers : de en
  • FR874306A - Feeding device for rivets, screws, rods and the like : en fr
  • DE723308C - Hydraulic control of gear shift gears for machine tools : de en
  • DE723397C - Device for preventing the wheels of rail vehicles from locking : de en
  • DE723549C - Removable gripper and cleat insert for chain links : de en
  • FR874468A - Counter proof press for obtaining printing plates : en fr
  • US2291670A - Method of coating wire and the like : en
  • DE723624C - Antihalation and filter layer for multilayer photographic material : de en
  • FR874491A - Seismic shock recording process : en fr
  • FR874284A - Arrangement of oscillating half axles with twin tires : en fr
  • GB546887A - An improved boiler or steamer for culinary or other purposes : en
  • US2292162A - Antiskid chain link : en
  • DE723453C - Flap lock for an access opening with a flap that can be locked in the open position : de en
  • DE723357C - Process for the preparation of ester salts of leuco compounds of anthraquinone dyes : de en
  • FR874287A - support shelf for storing and maintaining charge of accumulator batteries : en fr
  • FR874314A - Coupling device with artificial carbon contact cylinders : en fr
  • US2292082A - Temperature control : en
  • FR874318A - Arrangement of an axial blower for an air-cooled engine : en fr
  • DE723527C - Device for displaying the heating-up time of glow cathodes of vapor or gas-filled discharge vessels : de en
  • DE723643C - Arrangement for generating breakover voltages of low frequency for cathode ray oscilloscope : de en
  • FR874264A - Insulation for artificial carbon collectors : en fr
  • GB546932A - Improvements in television receivers : en
  • FR874349A - Electrical assembly intended to maintain constant the voltage at the terminals of an electrical device supplied by a current source with variable voltage : en fr
  • GB546867A - Improvements in or relating to machines capable of trimming shoe parts : en
  • US2292238A - Shoe and calk device therefor : en
  • US2292169A - Multiplex telegraph system : en
  • US2292261A - Abrasive disk and method of making the same : en
  • US2291685A - Manufacture of manganese alloys and the like : en
  • US2291887A - Strip for forming conduit supports : en
  • US2292016A - Game table : en
  • US2292033A - Refrigerant condenser and method of forming same : en
  • GB546938A - Improvements in or relating to wheels for aircraft and other vehicles : en
  • DE723339C - Process for the preparation of olefin oxides : de en
  • FR874446A - Device in the form of a slide rule for calculating exposure elements in photographs and the like : en fr
  • CA406515A - Electric track switch control device : en fr
  • US2291898A - Expansion valve : en
  • US2292048A - Method of forming articles of hollow glassware : en
  • US2292132A - One-motion collapsible carriage : en
  • US2292153A - Aircraft ground speed indicator : en
  • US2292156A - Heat control : en
  • US2292259A - Refrigeration system : en
  • GB546880A - Sound barrier wall or door construction : en
  • USD133330S - Handle for a burial casket : en
  • US2291740A - Floor scrubbing device : en
  • US2292069A - Traffic signal : en
  • US2292328A - Pipe fitting : en
  • FR874291A - Installation of an oil cooler in air-cooled and v-cylinder engines : en fr
  • US2291982A - Electrogauge setup board : en
  • FR874464A - Process for preparing wetting, foaming, emulsifying and detergent agents starting from coconut oil, palm oil, palm oil, etc. : en fr
  • DE723343C - Tap hole tamping machine for blast furnaces or the like. : de en
  • GB546877A - Improvements in or relating to slips or gauges : en
  • US2291747A - Tripod : en
  • US2291763A - Manhole structure : en
  • DE723355C - Fully enclosed electrical machine : de en
  • US2291979A - Apparatus for equipping branch lines and the like : en
  • US2292196A - Force feed apparatus : en
  • GB546883A - Lens hoods for photographic cameras : en
  • US2292178A - Electric switch : en
  • GB546881A - Improvements in or relating to depth of focus indicators for photographic cameras : en
  • CA406461A - Tabernacle safe : en fr
  • US2292056A - Seam protecting mechanism for cloth shears : en
  • US2292091A - Control levers : en
  • US2291957A - Luminous sign : en
  • US2291677A - Furniture : en
  • GB546896A - Improvements in and relating to underfeed stokers : en
  • GB546891A - Improvements in or relating to feeding devices for sewing machines and the like : en
  • FR874472A - Friction ring seal : en fr
  • FR874485A - Advance crew for paper tapes on telegraph devices : en fr
  • US2292285A - Card phonograph : en
  • FR874325A - Improved layout for engine chamber ventilation in streamlined vehicles with air-cooled rear engine : en fr
  • US2292265A - Clock motor : en
  • USD133290S - Woven fabric or similar article : en
  • CA406499A - Flashlight synchronizing device : en fr
  • DE723613C - Process for bleaching cotton fabrics that are difficult to bleach : de en
  • FR874435A - Snow plow : en fr
  • GB546916A - Improvements in or relating to guards for use on presses and on cutting and other machines : en
  • GB546974A - Improvements in casein fibres : en
  • DE723331C - Device for triggering a photographic shutter by means of a photocell : de en
  • GB546958A - Improvements relating to lapping or like machines : en
  • GB546985A - Improvements in and relating to snap-action electric switches : en
  • GR9929B - TYPE OF BUILDING TILE. : el en
  • US2291912A - Pumping apparatus : en
  • US2292032A - Refrigerator cabinet : en
  • GB546914A - Improvements relating to composite sheet material for heat insulation : en
  • CA406525A - Bung opening making method : en fr
  • US2292212A - Amino compound : en
  • FR874389A - Improvements in the manufacture of keys for typewriters, calculators or the like : en fr
  • GB546913A - Improvements in or relating to steam or like pressure cookers, digesters and the like : en
  • FR874153A - : fr
  • GB546968A - Process for the manufacture of stilbene derivatives : en
  • GB546862A - Improvements in or relating to electric induction motors : en
  • GB546972A - Improvements in processes for the removal of silica from water : en
  • FR874436A - Process for the preparation of ethers and esters of carbohydrates : en fr
  • GB546871A - Improved method of and apparatus for casting metal : en
  • US2291665A - Machine tool : en
  • US2291697A - Method for making plastic compositions : en
  • US2291886A - Treatment of hydrocarbons : en
  • US2292051A - Socket for pin base lamps and tubes : en
  • US2291632A - Cheese and the production thereof : en
  • GB546947A - Improvements in and relating to electric soldering irons : en
  • US2291977A - Wire drawing machine : en
  • DE723513C - Display device for the direction of incidence of an electromagnetic wave picked up by a direction finder : de en
  • US2291892A - Fluid retaining cup : en
  • US2292228A - Ratchet screw driver : en
  • USD133271S - Design for a shoe : en
  • DE723351C - Device for the operation of several power consumers from a common power source : de en
  • DE723578C - Volume regulation in radio equipment in motor vehicles : de en
  • CA406453A - Knock-down cabinet : en fr
  • DE723479C - Cooling device for a light source enclosed in a glass body : de en
  • US2291847A - Cotter pin : en
  • USD133343S - Baby carriage or similar article : en
  • US2291995A - Handle and knob connection : en
  • US2291935A - Trim panel assembly : en
  • DE723375C - Foldable single-wheel cart that can be used for various purposes : de en
  • CA406485A - Spinnerette : en fr
  • US2291773A - Combination bale tie and holder : en
  • US2291808A - Socket : en
  • CA406483A - Electromagnetic relay : en fr
  • AU115617B2 - Improvements in electrical apparatus for indicating liquid levels : en
  • CA406527A - Lock nut : en fr
  • CA406569A - Electric discharge device : en fr
  • DE723559C - Two-axis bogie or chassis for rail vehicles with three-point mounting for the frame : de en
  • US2291673A - Production of printing forms : en
  • US2292087A - Evacuated electronic apparatus : en
  • DE723360C - Flat weft knitting machine with device for the independent production of double frames : de en
  • DE723429C - Construction of a power or voltage separation point : de en
  • DE723473C - Device for the uniform charging of processing plants, especially with coal : de en
  • DE723504C - Heavy rammers, especially for road construction : de en
  • US2291622A - Aircraft radiator : en
  • US2292140A - Electric cord holder : en
  • CA406599A - Wave amplifying system : en fr
  • AU115582B2 - Improvements in and relating to apparatus employed inthe hardening and tempering of armour piercing projectiles andthe like : en
  • CA406566A - Sealing clip for paper containers : en fr
  • DE723677C - Socket wrench for spark plugs : de en
  • DE723464C - Clear lens : de en
  • DE723595C - Distributor disk for distributor : de en
  • FR874322A - Improvement in air cooling of automobile engines : en fr
  • FR874392A - Pickup truck chassis using a motorcycle for its propulsion : en fr
  • CA406564A - Paper making method : en fr
  • FR874418A - Flow limiter regulator for filling compressed gas cylinders : en fr
  • US2291792A - Rope or like tightening device : en
  • FR874259A - Metal formwork material : en fr
  • US2292253A - Transmission control : en
  • US2291793A - Electric connector : en
  • US2292164A - Plastic material from diphenyl and alkylene halides and compositions thereof : en
  • DE723489C - Process for the production of textile fabrics for underwear from cellulosic fibers : de en
  • FR874327A - Improvements in means for bringing air into the engine chamber of profiled bodies of air-cooled motor vehicles placed at the rear : en fr
  • US2291753A - Receptacle : en
  • DE723407C - Suspension for bicycles, especially for motor vehicles and motorcycles : de en
  • DE723599C - Seal on Einrenk- or similar closures for container lids, especially on superheated steam containers : de en
  • US2291641A - Sewage disposal apparatus : en
  • DE723579C - Circuit arrangement to prevent receiving devices from being influenced by the interference level in high-frequency telephony systems with dialing calls over lines : de en
  • GB546984A - Improvements relating to expanding plugs for use in walls, floors and the like : en
  • DE723537C - Process for producing hollow bodies by dipping : de en
  • DE723585C - Flat weft knitting machine : de en
  • DE723376C - Ring spinning device : de en
  • US2292166A - Electromechanical control system : en
  • US2292241A - Grade indicator : en
  • FR874396A - Non-diffusible sensitizing dyes, their preparation process and their applications in photography : en fr
  • USD133322S - Charlotte sttlneb lubow : en
  • US2291827A - Ignition system for internal combustion engines : en
  • US2292213A - Yarn conditioning process and composition therefor : en
  • US2291825A - Synchronous selective neutralizing system : en
  • FR874302A - Process for the development of photographic layers of metallic salts : en fr
  • US2291716A - Excavating elevator : en
  • US2291994A - Lifter for weeds : en
  • DE723533C - Belt for the carrier of cranes or the like provided with running wheel rails. : de en
  • FR874296A - Graduated dial manufactured in series for frequency calibrated devices : en fr
  • DE723432C - Single armature converter with voltage regulation by turning the commutation zone in relation to the magnetically neutral zone : de en
  • DE723699C - Articulated connection for swivel inserts on extending tables : de en
  • DK60024C - Container of Paper or Cardboard. : da en
  • DE723396C - Manufacture of carbon disulfide : de en
  • US2292311A - Display and advertising sign : en
  • DE723673C - Production of hydrogen peroxide or alkali peroxides in the form of their aqueous solutions : de en
  • FR874384A - Method of weaving wood fibers in one or more superimposed layers : en fr
  • FR874350A - Transmitter or receiver device comprising a dipole antenna : en fr
  • FR874463A - Rayon sizing improvements : en fr
  • GB546861A - Improvements relating to electric furnaces : en
  • GB546975A - Improvements in treads for pneumatic tyres : en
  • FR874285A - Improved process for the preparation of fruit juices and apparatus for its realization : en fr
  • FR874498A - Device for establishing flush rivet connections between relatively thin sheets : en fr
  • GB546963A - Improvements connected with chain adjusters for motorised cycles or tandem cycles : en
  • GB546956A - Improvements relating to portable conveyors for work pieces : en
  • US2291969A - Material handling mechanism : en
  • US2292284A - Car moving mechanism : en
  • US2292116A - Snap connector : en
  • US2292266A - Slug casting apparatus and method : en
  • DE723590C - Injection system for multi-cylinder internal combustion engines : de en
  • DE723363C - Method and device for the production of cottonized fibers from bast fibers in tape form : de en
  • DE723641C - Electric machine : de en
  • FR874428A - Method for removing the stress sensitivity of aluminum-zinc-magnesium alloys : en fr
  • US2292021A - Manufacture of cyanine dyestuffs : en
  • US2292135A - Electric translating system : en
  • US2292264A - Hypnotic and analgesic compound : en
  • US2292337A - Dehydrator for liquid filled equipment : en
  • GB546907A - Activated phenolphthalein and method of producing the same : en
  • US2291668A - Gummed tape dispenser : en
  • GB546991A - An improved method of producing metallic castings : en
  • US2291604A - Method of canning a liquid coffee beverage : en
  • US2291634A - Thickening of solutions : en
  • US2292189A - Starting system for compression ignition engines : en
  • US2292333A - Reaction product of an aldehyde and di-(acetoacetyl) ethylene diamine : en
  • US2291656A - Cooling system : en
  • US2291864A - Electric discharge device : en
  • US2292252A - Electrical circuit interrupter : en
  • US2291910A - Ore, rock, and the like crushing machine : en
  • US2291924A - Engine starter drive : en
  • CA406610A - Motion picture fading device : en fr
  • FR874275A - Process to facilitate the demoulding of pigs : en fr
  • FR874354A - Process for decomposing wet spent grains : en fr
  • US2292019A - Thermal circuit controller : en
  • USD133275S - Design fob a shoe : en
  • US2291983A - Flash lamp : en
  • USD133288S - Design for a jewelry pin : en
  • USD133312S - Side marker and clearance lamp : en
  • FR874489A - Concrete mixer with mixing drum on horizontal axis and emptying by tilting the drum : en fr
  • GB546876A - An improved process for quick cooling and quick freezing : en
  • DE723485C - Canopy mount for aircraft : de en
  • DE723511C - Monitoring frame arranged vibration-free : de en
  • GB546872A - Improvements in, or relating to, stokers or other apparatus within which it is desired to feed granular or semi-fluid material : en
  • US2291833A - Process of regenerating sulphate pulp cooking liquors : en
  • US2291602A - Refrigeration : en
  • DE723651C - Process for the production of paste-like, film-forming dispersions that are easy to spread : de en
  • FR874334A - Device for regulating air streams around bodies with low aerodynamic resistance : en fr
  • FR874401A - Process improvements for the application of coats to surfaces : en fr
  • DE723313C - Process for increasing the sensitivity of infrared sensitive emulsion layers : de en
  • GB546949A - Improvements relating to centrifugal pumps : en
  • FR874262A - Folding luggage box for cycles and other applications : en fr
  • FR874360A - Package for motion pictures : en fr
  • US2291642A - Method of preparing arsenate of lead : en
  • US2291896A - Holder for keys or the like : en
  • DE723586C - Method and device for driving a glass forming machine : de en
  • FR874361A - Process for the manufacture of hollow concrete pillars, produced in a vertical position, in particular for overhead power lines : en fr
  • CA406537A - Puffing gun : en fr
  • US2292071A - Intake fuel system for internal combustion engines : en
  • US2292281A - Mud grip for tires : en
  • US2292187A - Small automatic circuit breaker : en
  • DE723424C - Arrangement for high-frequency communication, especially over power lines, in which two carrier frequencies are used for a conversation : de en
  • DE723623C - Welded connection of flat iron, shaped iron or the like standing at an angle to one another. : de en
  • DK60015C - Perforation mechanism, especially for Rotary presses. : da en
  • DE723506C - Foot-operated brake control device for trailer wagons for electric traction vehicles, especially for trolley buses : de en
  • FR874268A - Removable hinge : en fr
  • FR874413A - Automatic diaphragm control mechanism for cameras : en fr
  • DE723458C - Loose spacer to be inserted into the workpiece for hollow workpieces to be machined on lathe dies : de en
  • FR874367A - Air-cooled engine mounted in the rear of a vehicle with low aerodynamic resistance : en fr
  • US2292318A - Ventilated shoe sole and art of fabricating into shoe structures : en
  • FR874398A - Dyes and their preparation process : en fr
  • DE723497C - Process for the preparation of ethylpentaerythritol trinitrate : de en
  • DE723628C - Process for denitrating nitrocellulose : de en
  • US2291671A - Carburetor : en
  • FR874480A - Object molding process : en fr
  • DE723455C - Device for the galvanic deposition of firmly adhering, even hard chrome layers on the surfaces of cylindrical bodies : de en
  • GB546895A - Improvements in method of making elastic yarn : en
  • USD133266S - Design for a toy typewriter : en
  • CA406488A - Shaft bearing : en fr
  • CA406612A - Liquid bath electrical heating apparatus : en fr
  • DE723469C - Cartridge feed for automatic firearms : de en
  • DE723436C - Process for the continuous removal of odors and flavors, fatty acids and other volatile additions from vegetable or animal oils or fats : de en
  • FR874324A - Oil cooling device in air-cooled engines with axial fan : en fr
  • GB546979A - Improvements in and relating to the manufacture of threads, filaments and the like from viscose : en
  • DE723442C - Contra-angle head, especially for dental purposes : de en
  • DE723687C - Method and device for impregnating barrel wood under pressure : de en
  • US2291805A - Burner control system : en
  • US2291940A - Submarine vessel : en
  • FR874441A - Single-lens stereoscopic camera with slit shutter : en fr
  • GB546901A - Method of producing rosin size emulsions : en
  • AU115597B2 - Improvements in or relating to iodine compounds and methods for producing thesame : en
  • CA406603A - Egg carton : en fr
  • DE723377C - Loose or compressed, fog-producing smoldering phrase : de en
  • FR874423A - Improvements in color photography : en fr
  • CA406498A - Document reproducing machine : en fr
  • FR874356A - : fr
  • US2292257A - Needle-bar mechanism for sewing machines : en
  • CA406467A - Pants and skirt combination : en fr
  • FR874376A - Wood sole shoe : en fr
  • GB546976A - Improvements in or relating to alternating current rectification arrangements : en
  • US2291844A - Coating compositions containing east india resin : en
  • US2292125A - Rotary fluid pump : en
  • US2292181A - Hydraulic pump or motor : en
  • DE723668C - Clamping device for self-loading weapons : de en
  • US2292075A - Adapter shade : en
  • US2291750A - Printing apparatus : en
  • CA406597A - Communication system : en fr
  • FR874411A - Preparation of unsaturated ketones : en fr
  • GB546929A - Improvements in or relating to the locking of sewing machine stitching : en
  • AU115583B2 - Improvements in or relating tothe treatment of vulcanised deposited rubber articles andthe products obtained thereby : en
  • DE723347C - Method for fastening fittings, preferably on support insulators of rotary capacitors : de en
  • US2292272A - Plant label : en
  • DK60017C - Clock for Coupling an Electrical Circuit. : da en
  • US2291907A - Lamp guard : en
  • CA406439A - Remote control device : en fr
  • CA406559A - Traffic control system : en fr
  • US2291782A - Joining means for building elements : en
  • US2291942A - Bone conduction hearing aid : en
  • US2292043A - Socket for tubular lamps : en
  • CA406464A - Edge type filter : en fr
  • CA406492A - Electric discharge lamp device : en fr
  • DE723538C - Device arranged on a mixer wagon with weighing device for registering the weight quantities taken from stationary raw material containers and the raw material container identification : de en
  • US2291820A - Display shape retaining device for garments : en
  • US2291997A - Bobbin delivery control for weft replenishing looms : en
  • DE723563C - Process for the production of solutions of nitropectin in organic solvents : de en
  • DE723672C - Centrifugal device for treating a slurry : de en
  • DE723379C - Process for the production of a souring agent for rye bread dough : de en
  • DE723494C - Process for carrying out chemical and physical processes : de en
  • US2292115A - Fan impeller : en
  • DE723459C - Bolt locking device for attaching beater to beater mills : de en
  • US2291603A - Outlet valve for gas masks : en
  • US2291702A - Tea bag : en
  • US2292183A - Code call interrupter circuit : en
  • USD133309S - Design foe, an earring : en
  • US2291949A - Listing adding machine : en
  • US2291875A - Curtain brooch : en
  • US2291655A - Doorknob fastener : en
  • CA406442A - Ski : en fr
  • FR874317A - Arrangement of an air-cooled engine, in particular for automobiles with an engine at the rear : en fr
  • DE723365C - Outside porch tapering towards the outside in a decreasing mass for ventilation openings in the walls of buildings or the like. : de en
  • AU387041A - Improvements in or relating to razorblade packs : en
  • DE723611C - Inclined loading ramp with horizontal platform at the top : de en
  • DE723275C - Process for the preparation of new cyano or rhodane compounds with a quaternary ammonium group : de en
  • CA406494A - Flash lamp : en fr
  • CA406567A - Glass polishing apparatus : en fr
  • US2292077A - Fountain comb : en
  • CA406476A - Photographic reducer : en fr
  • US2291601A - Pump : en
  • DK60028C - Device at Skabslaase. : da en
  • FR874307A - Smooth weaving : en fr
  • US2291876A - Piston ring : en
  • US2292148A - Television synchronizing system : en
  • US2291822A - Weed puller : en
  • FR874424A - Improvement in protection filters for liquid meters and other hydraulic devices : en fr
  • USD133329S - Design fob a dress : en
  • DE723605C - Bomb drop device for aircraft : de en
  • DK60014C - Dyeing device for Printing Machines. : da en
  • DE723661C - Process for the manufacture of hollow bodies, as well as clips and panels for the implementation of the process : de en
  • DE723310C - Vacuum regulator for mills : de en
  • DE723604C - Air brake for multi-engine aircraft : de en
  • DE723678C - Device for wet peeling and pre-cleaning of grain kernels : de en
  • DE723655C - Temperature compensation device for pressure gauges : de en
  • DE723674C - Process for the production of hydrogen peroxide or alkali peroxides in the form of their aqueous solutions : de en
  • US2291784A - Harvester implement : en
  • US2292322A - Fabric : en
  • USD133296S - Design for a vacuum cleaner : en
  • DE723508C - Pass-through filter for a very large high frequency range : de en
  • GB546964A - Emulsions for pharmaceutical and cosmetic purposes : en
  • US2291774A - Manufacture of yarns : en
  • US2292145A - Electrical apparatus : en
  • US2291726A - Combination sash construction : en
  • CA406614A - Chemical recovering apparatus for waste liquors : en fr
  • US2292133A - Window construction : en
  • FR874309A - Process for the physical filtration of lubricating oils and device for carrying out this process : en fr
  • US2291917A - Spalling-resistant refractory : en
  • US2291936A - Detachable handle for culinary tools : en
  • US2292136A - Push-pull resistance coupled amplifier : en
  • US2292137A - Electric control system : en
  • DE723344C - Process for carrying out Huettenmaennische reactions, especially for direct iron production : de en
  • FR874273A - Air cooling of automobile engines : en fr
  • FR874372A - Improvements in the insertion of tools : en fr
  • FR874300A - Advanced magnetic flywheel : en fr
  • FR874330A - Device for adjusting the speed of rotation of an automobile engine : en fr
  • CA406578A - Dispatching mechanism for alarm signal systems : en fr
  • US2291787A - Inductance and capacity trimmer unit : en
  • US2291727A - Pocketknife : en
  • US2292210A - Wheel mounting and driving means : en
  • DE723660C - Device for the simultaneous mixing and atomizing of safety additives and water when ensiling green forage : de en
  • US2292122A - Furnace regulator system : en
  • USD133273S - Design for a shoe : en
  • FR874461A - Device for actuating signaling devices and indicators : en fr
  • US2291955A - Apparatus for applying thermoplastic material onto receptive layers : en
  • DE723682C - Belt box for machine guns stored in slewing ring mounts : de en
  • US2291781A - Current collector : en
  • DE723352C - Fusible conductor arrangement in fuse cartridges : de en
  • US2291863A - Chuck for paper rolls : en
  • CA406481A - Traffic signalling system : en fr
  • CA406589A - Piston ring : en fr
  • US2291686A - Ash tray : en
  • US2291925A - Meat slitting machine : en
  • FR874116A - : fr
  • FR874406A - Focal shutter for cameras : en fr
  • FR874460A - Electrical assembly intended for the production or amplification of an adjustment voltage : en fr
  • DE695715C - Building material for aircraft : de en
  • FR874500A - Method for producing coincident holes in the assembly of curved sheet metal panels with a corresponding support frame : en fr
  • GB546864A - Improved inductances : en
  • GB546952A - Improvements in and relating to feeding apparatus for metallic strips : en
  • FR874288A - Arrangement of rear wheel mud flaps for profiled vehicle bodies, in particular for rear engine vehicles : en fr
  • GB546899A - Improvements in or relating to aluminium base alloys : en
  • GB546955A - Improvements in continuous conveyor weighers : en
  • US2291687A - Truing jack : en
  • US2291953A - Controllable propeller : en
  • USD133328S - Design for a dress : en
  • US2292262A - Water gate : en
  • FR874332A - Refinements to oil coolers in low profile automobiles with air-cooled engine located at the rear of the body : en fr
  • US2291615A - Telephone system : en
  • US2292288A - Means for driving the propelling system of aircraft : en
  • US2291851A - Jaw clutch : en
  • US2291839A - Cutter : en
  • US2292182A - Loop antenna : en
  • US2292078A - Hangar or like shelter, more particularly for aircraft : en
  • US2292040A - Fabricated piston ring : en
  • DE723575C - Bow conveyor device : de en
  • DE723481C - Peel-off foil : de en
  • DE723529C - Control device, especially for oil burners, with two heat-sensitive members : de en
  • US2292269A - Tobacco cutting machine : en
  • FR874475A - Method for braking twin-engine aircraft : en fr
  • DE723553C - Impact fuse, especially for bombs : de en
  • US2291637A - Lubricant cooling device : en
  • US2292175A - Hair clipper : en
  • CA406526A - Woven wire belt for paper machines : en fr
  • DE723390C - Method and device for regulating the operation of a multi-stage high-speed evaporation system : de en
  • DE723534C - Impeller fan for installation in windows, door entrances or the like. : de en
  • FR874315A - Process for manufacturing condensation products : en fr
  • GB546909A - Improvements in or relating to apparatus for maintaining registration of record strips in a plurality of typewriters or like machines : en
  • US2291948A - High voltage X-ray tube shield : en
  • DE723330C - Metal trough-like outlet mouthpiece on glass furnaces for producing threads or fibers from glass : de en
  • US2292174A - Electric protective apparatus : en
  • DE723410C - File box : de en
  • DE723492C - Process for the production of preparations by mixing aqueous solutions of cellulose ether carboxylic acids with aluminum salt solutions : de en
  • GB546973A - Improvements in finishing and like cutting tools : en
  • US2291790A - Incinerator : en
  • GB546962A - Improved device for entraining a volatile liquid in a stream of gas : en
  • US2292152A - Uniform flux specular screen : en
  • US2292172A - Process and apparatus for producing musical rhythm in color : en
  • USPP537P - nicolas : en
  • FR874337A - Cooling circuit with choke points : en fr
  • FR874338A - Transmission device for driving wheels of motor vehicles : en fr
  • DE723294C - Process for the production of fatty acids from the distillation residues that arise during the processing of paraffin oxidation products : de en
  • DE723612C - Bank reinforcement : de en
  • USD133325S - Design fob a dress : en
  • DE723582C - Method for improving the reverse voltage stress on arc converters, in particular Marx converters : de en
  • DE723552C - Central remote control device for several machine weapons : de en
  • DE723663C - Iris diaphragm : de en
  • DE723681C - Carriage for self-loading weapons : de en
  • DK60023C - Procedure for the regeneration and preservation of materials such as grains or legumes by treatment with ultraviolet rays. : da en
  • DE723598C - Tube for gaseous and liquid substances and process for producing the same : de en
  • DE723597C - Pipe suspension by means of a bracket attached to a beam and carrying the pipe : de en
  • FR874359A - Folding camera with electric light meter : en fr
  • US2291931A - Prompting apparatus : en
  • DE723317C - Process for surface cladding by means of back-painted glass plates divided into pieces : de en
  • DE723664C - Device for covering a passage opening for an aircraft landing gear that can be swiveled forward or backward into a landing gear shaft : de en
  • US2291853A - Calculating machine : en
  • GB546978A - Improvements in and relating to the manufacture and production of artificial threads, filaments and the like : en
  • US2291624A - Process for improving beer or similar liquids : en
  • US2291823A - Pipe coating machine : en
  • CA406446A - Container closure and dispenser : en fr
  • CA406468A - Electric iron and dampener : en fr
  • US2292194A - Engine control means : en
  • US2292251A - Railway car end : en
  • CA406456A - Railway block system : en fr
  • CA406600A - Negative feedback amplifier circuit : en fr
  • USD133278S - Design fok a shoe : en
  • DE723414C - Forced steam generator : de en
  • CA406503A - Elevator signal and control system : en fr
  • US2291745A - Electrode for sea water detection : en
  • US2292237A - Otoscopic or like device : en
  • US2292123A - Regulator system : en
  • US2291873A - Synthetic filament : en
  • CA406607A - Blow-out preventer and control head for wells : en fr
  • DE723689C - Process and device for generating cold : de en
  • USD133274S - Design fob a shoe : en
  • DE723622C - Method and device for examining extensive workpieces with X-rays : de en
  • AU223141A - Improvements in or relating tothe treatment of vulcanised deposited rubber articles andthe products obtained thereby : en
  • DE723507C - Superimposition receiving circuit with negative feedback : de en
  • DE723541C - Speedometer : de en
  • DE723680C - Carriage for self-loading weapons : de en
  • AU115592B2 - Improvements in gas filters : en
  • DE723341C - Process for the preparation of o-bromo-p-cresol (3-bromo-1-methyl-4-oxybenzene) : de en
  • US2291945A - Piston ring construction : en
  • CA406518A - Sharp freezing container : en fr
  • US2291611A - Railway tie renovating pad : en
  • US2291996A - Combined chair and stepladder : en
  • FR874254A - Sidero cement post : en fr
  • FR874265A - Process for preparing seeds for sowing the ovary of which contains more than one seed : en fr
  • GB546900A - Improvements relating to linear-dimention gauges : en
  • US2291623A - Oscillating joint for track shoes : en
  • US2292276A - Gelatin and glue extracting apparatus : en
  • USD133268S - Projection machine : en
  • CA406545A - Radio receiver tuning mechanism : en fr
  • DK60027C - Double-sided bicycle rack. : da en
  • CA406556A - Secondary electron emitting electrode : en fr
  • DE723644C - Air- and moisture-tight closure of ceramic housings for electrical capacitors : de en
  • CA406524A - Gas material dispensing apparatus : en fr
  • CA406594A - Telegraph system : en fr
  • AU225541A - Improvements in and relating toearth moving machinery : en
  • DE723539C - Optical body : de en
  • DK60011C - Method for Making Destructible Stiff Canvas. : da en
  • DE723635C - Method for producing insulated lines, in particular so-called web lines, by encapsulating electrical conductors with thermoplastic insulating materials, rubber or rubber-like insulating materials : de en
  • USD133292S - Design for a shoe : en
  • GB546886A - Improvements in ties for personal wear : en
  • DE723570C - Aircraft structure provided with devices for influencing the flow boundary layer : de en
  • CA406574A - Sound recording apparatus : en fr
  • AU223541A - Improvements in and relating tothe vaporization of kerosene, diesel oil, andother comparatively heavy fuels for use in internal V. combustion engines : en
  • FR874438A - Process for preparing sulfur-containing cholesterin transformation products : en fr
  • US2291738A - Bowling ball : en
  • US2292315A - Method of curing stocks : en
  • USD133293S - Design for an upright soap receptacle : en
  • GB546911A - Improvements in or relating to the separation of solid materials of different specific gravities : en
  • US2291652A - Ignition distributor : en
  • DK60022C - Oil cooler device for air-cooled Engines. : da en
  • GB546931A - Improvements in or relating to steam or like pressure cookers, digesters and the like : en
  • DE723441C - Device for roughening plates made of non-metallic material : de en
  • US2291648A - Electrical testing method and apparatus : en
  • US2291733A - Take-up mechanism for conveyer apparatus : en
  • US2292338A - Venetian blind : en
  • DE723367C - Tools of the trade for cutting the length of bark : de en
  • DE723484C - Device for electrolytic internal chrome plating of cylinder liners of internal combustion engines : de en
  • DE723620C - Ring-shaped arrangement of the meltings or feeds in the case of secondary electron amplifiers : de en
  • US2291772A - Combined flocculation and sedimentation apparatus : en
  • DE723315C - High pressure screw pump : de en
  • US2291657A - Catalytic material fob lighters : en
  • US2292080A - 17-amino-10,13-dimethyl cyclopentanopolyhydrophenanthrene compounds and method for producing them : en
  • US2292105A - Fluid pressure brake equipment : en
  • US2291643A - Unsaturated hydroxy-pregnene derivatives : en
  • FR874319A - Bodywork for cars with reduced aerodynamic resistance : en fr
  • FR874358A - Cantilever blade crown carbon collector : en fr
  • AU115595B2 - Improvements in or relating to razorblade packs : en
  • DE723336C - Process for the production of largely ventilated, clay-containing ceramic masses of uniform composition and structure : de en
  • FR874455A - Manufacturing process of models and templates or reproduction templates for milling machines to reproduce : en fr
  • US2291674A - Terminal clip : en
  • US2292275A - Crushing mill : en
  • FR874278A - Streamline coated charcoal bow : en fr
  • FR874474A - Device allowing simultaneous control of the timer and the opening of one or more doors : en fr
  • US2291628A - Apparatus for relative gravity measurements : en
  • FR874321A - Nautical game : en fr
  • FR874280A - Receiving installation with several reception points located at some distance from each other : en fr
  • DE723348C - Arc protection device for chains made of ceramic long rod insulators : de en
  • DE723692C - Magnetic field tube arrangement with anode parts oscillating in antiphase : de en
  • DE723593C - Device for influencing the speed controller of a multi-cylinder gas-fired internal combustion engine fed by a gas generator : de en
  • DE723662C - Process for the production of adhesive paper : de en
  • US2292144A - Shield : en
  • FR874294A - Device for mounting the oil cooler on air-cooled engines : en fr
  • GB546875A - Improvements in hydraulic cutting machines : en
  • CA406534A - Endless v-type belt : en fr
  • US2292286A - Method of treading tire casings : en
  • US2291918A - Furnace linings : en
  • DE723404C - Potato harvester with conveyor belt and grate surface arranged over the same : de en
  • DE723491C - Process for improving the lightfastness of dyeings with soluble wool dyes on animalized synthetic fibers : de en
  • US2292208A - Composition of matter and process for preventing water-in-oil type emulsions resulting from acidization of calcareous oil-bearing strata : en
  • GB546920A - Improvements in or relating to electrical connectors : en
  • DE723400C - Pole-changing two-layer multi-phase broken hole winding for electrical machines : de en
  • US2291897A - Pipe screen : en
  • FR874362A - Improvements in the manufacture of phonograph records : en fr
  • DK60025C - Concealed door hinge for motor vehicles, in particular those with streamlined shape. : da en
  • GB546870A - Improvements in undergarments : en
  • GR9931B - MECHANISM OF CONTINUOUS WEAVING AND WRAPPING OF THE SCREEN IN THE MANUAL. : el en
  • FR874426A - Distillation apparatus : en fr
  • US2291734A - Porous metal : en
  • US2292307A - Selective automatic apparatus for reproducing images from records thereof : en
  • DE723401C - Electron switch : de en
  • DE723325C - Circuit for regulating the gain of a pipe with six or more electrodes : de en
  • DE723654C - Electric pendulum brake : de en
  • US2292109A - Batting cage : en
  • US2291618A - Pulverizing apparatus : en
  • US2291964A - Telegraph system : en
  • US2291899A - Finishing tool : en
  • CA406484A - Propeller blade : en fr
  • DE723500C - Process for the production of self-prepared, screened high-pressure image forms etched in metal : de en
  • US2291830A - Automatic band guide : en
  • US2291836A - Rake lifting device in thickeners : en
  • US2291732A - Drilling rig : en
  • US2291795A - Tie rod shield extracting tool : en
  • USD133281S - Design for a shoe : en
  • US2291819A - Method of spinning : en
  • US2292192A - Pressure ventilating unit : en
  • USD133285S - Design for a jewelry clip : en
  • CA406553A - Anti-skid cross chain and link : en fr
  • DE723278C - Process for the production of an aminomethyl- (3, 4-dioxyphenyl) -carbinol with excellent bronchospasmolytic activity : de en
  • FR874366A - Installation of a radiator in cars with a rear engine and reduced aerodynamic resistance bodywork : en fr
  • US2292236A - Prod : en
  • CA406552A - Anti-skid cross chain and link : en fr
  • CA406473A - Photographic fixing agent : en fr
  • US2291600A - Roller skate : en
  • DE723608C - Device for the preparation and uniform mixing of cast sulfur compounds to achieve a uniform and durable structure of the castings : de en
  • US2292176A - Hinge mount : en
  • USD133310S - Design for a badge ok similar article : en
  • USD133323S - Design for a dress : en
  • AU115612B2 - Coat or similar garment and improved method of making same : en
  • DE723630C - Liquid level glass : de en
  • DE723403C - Method and device for determining the state of drying of paint coatings : de en
  • DE723433C - Holding and tensioning device for glow cathodes : de en
  • US2292201A - Cleaning apparatus : en
  • FR874400A - Improvements in the preparation of cyanine-type dyes and their intermediates : en fr
  • GB546927A - Improvements relating to the moulding of concrete blocks : en
  • CA406606A - Air humidifying head : en fr
  • US2291937A - Hydraulic apparatus : en
  • US2291984A - Vacuum cleaner : en
  • US2292114A - Stop joint for multiconductor fluid filled cables : en
  • US2291723A - Apparatus for and method of generating television signals : en
  • US2291767A - Radio relay system : en
  • US2292142A - Fishing rod butt : en
  • DE723358C - Cooling pipe for firebox walls : de en
  • DE723542C - Rolling bearing with automatic freewheel lock : de en
  • DE723262C - Process for the production of coatings : de en
  • DE723277C - Process for the production of oxygen-containing organic compounds : de en
  • DE723451C - Procedure for starting a combined diesel engine compressor unit : de en
  • US2291695A - Refrigeration : en
  • US2292149A - Bottle stopper : en
  • FR874347A - Arrangement of air cooling of automobile engines mounted at the rear of the vehicle : en fr
  • USD133316S - Combination trailer hearse and ambulance or similar article : en
  • GB546940A - Improvements in or relating to condensers : en
  • US2292193A - Draft gear and uncoupling mechanism : en
  • FR874448A - Developing machine, particularly suitable for roll films of different lengths : en fr
  • AU115587B2 - Granulated carbon microphone : en
  • CA406568A - Transparent tracing sheet manufacture : en fr
  • CA406613A - Reinforced return bend : en fr
  • CA406516A - Compression riveter : en fr
  • US2291675A - Filing folder and index tab : en
  • FR874100A - : fr
  • FR874476A - Electromagnetic circuit breaker with overcurrent relay : en fr
  • FR874301A - Improved arrangement of an oil cooler in air-cooled motor vehicles : en fr
  • FR874486A - Nozzle : en fr
  • GB546917A - A safety valve to prevent accidents on trailing hose pipes under pressure, and subject to excessive tension : en
  • AU115588B2 - Improvement in pattern cutters for leather and like materials : en
  • CA406486A - Pile fabric manufacture : en fr
  • FR874270A - Arrangement of ventilation of motor vehicles, especially aerodynamic shape with engine at the rear : en fr
  • USD133313S - Hard-surfaced composition tile floor covering : en
  • FR874496A - Sponge enhancements : en fr
  • DE723528C - Process for the purification of crude, high molecular weight aliphatic hydrocarbons : de en
  • US2291766A - Shirt : en
  • CA406544A - Vibration isolator : en fr
  • DE723554C - Road traffic signal system : de en
  • GB546918A - Improvements in or relating to conveyors : en
  • AU288841A - Improvements in buttons, press studs and like fastenings for garments : en
  • CA406540A - Photographic developer preservative : en fr
  • FR874151A - : fr
  • DE723462C - Piston pump : de en
  • GB546902A - Improvements relating to mechanism for imparting intermittent movements : en
  • DE723634C - Process for the conductive connection of foils applied to an insulating carrier : de en
  • GB546982A - Improvements in or relating to electrical connections for shielded conductors : en
  • FR874266A - Storage form of disinfectants : en fr
  • GB546944A - Improvements in and relating to underfeed stokers : en
  • DE723547C - Automatic safety device for pressure lines, especially of hydraulic brakes : de en
  • FR874469A - Injector cooled, especially liquid controlled, for internal combustion engines : en fr
  • FR874493A - Knitting machine fitted with a device which opens the needle paddles during the movement of needle advancement : en fr
  • GB546879A - Improvements in hydraulic power transmission systems : en
  • GB546959A - Improvements in the nailing of round or flat whitewash brushes : en
  • FR874340A - Device for supplying air to the engine chamber of aerodynamic vehicles with an air-cooled rear engine : en fr
  • US2292044A - Illumination for cameras : en
  • DE723569C - Photographic or cinematographic camera associated with a range finder : de en
  • US2292207A - Recovery of metal : en
  • CA406615A - Metal converting apparatus : en fr
  • FR874377A - Sole of a shoe : en fr
  • USD133303S - Design for an electric air purifier : en
  • FR874445A - Process for lowering the carbon content of carbon black : en fr
  • US2291895A - Flasher with pilot light control : en
  • DE723316C - Carrying and launching device intended for aircraft for a torpedo which falls freely from its carrying position and is controlled when launched : de en
  • FR874462A - Message transmission method : en fr
  • GB546988A - Improvements in steam power plants : en
  • US2292282A - Pouring device : en
  • US2291780A - Variable self-inductance with a core of magnetic material : en
  • FR874352A - equipment for adjusting the tension of the tape in taping machines, especially in paper tapers for conductors and electric cables : en fr
  • FR874394A - Improvements in optical devices : en fr
  • US2292076A - Fiber mixing apparatus : en
  • US2291722A - Method of forming plow disks : en
  • US2291959A - Pneumatic tire and wheel assembly : en
  • FR874403A - Photographic copying device for reproducing documents : en fr
  • US2291743A - Clamp plate for railway rails : en
  • DE722404C - Process for drying gases : de en
  • US2291664A - Cartridge wiping mechanism : en
  • US2292128A - Connecting pin : en
  • US2292042A - Inclined piston ring : en
  • US2291714A - Shutter awning : en
  • DE723587C - Grabber with arms crossing each other for manure, green fodder or the like. : de en
  • FR874458A - Device for controlling current rectifiers with mechanical current interruption : en fr
  • FR874484A - Printing system with printing knife : en fr
  • GB546898A - A new and improved method of producing an alloy : en
  • GB546989A - Improvements in or relating to blinds and like window coverings : en
  • DE723311C - Equipment on vibrating screens, conveyor troughs, etc. like : de en
  • US2291900A - Sleeping berth for motor vehicles : en
  • US2292250A - Electric vacuum cleaner : en
  • DE723452C - Electromagnetic gear for membrane fuel pumps : de en
  • DE723522C - Time delay device for electrical controllers : de en
  • US2291614A - Ironing table : en
  • US2292221A - Headwear : en
  • DE723283C - Process for the desulphurisation of liquid iron or iron alloys : de en
  • GB546923A - Improvements in or relating to controlling garments : en
  • CA406558A - Traffic signal timer : en fr
  • CA406440A - Container sealing apparatus : en fr
  • US2291968A - Magnet design : en
  • SE105153C1 - : en
  • AU291341A - Improvements in gas filters : en
  • CA406452A - Airplane stabilizer : en fr
  • FR874459A - Electrical assembly comprising two oscillators or electrical amplifiers for the same consumer device : en fr
  • US2291699A - Stepladder : en
  • US2292086A - Gear drive and lubrication system : en
  • US2291974A - Coping : en
  • US2291988A - Method of improving the physical properties of rubber : en
  • US2291928A - Variable power transmission mechanism : en
  • US2292027A - Oil treatment : en
  • US2291838A - Material for wrapping pipes and for covering metallic surfaces : en
  • US2292341A - Drop-out fuse : en
  • GB546986A - Improvements in a safety tyre : en
  • DE723519C - Outdoor support isolator with two plates for crossing telephone lines : de en
  • DE723450C - Counter with photographic registration : de en
  • US2292267A - Preparation of drilling muds : en
  • DE723405C - Epicyclic gear with several spur gears : de en
  • US2291728A - Refrigeration : en
  • USD133311S - Design for a drying rack for dishes : en
  • DE723445C - Wooden ceiling : de en
  • US2291660A - Stem for electrical space discharge devices : en
  • US2292047A - Ammunition : en
  • DE723560C - transformer : de en
  • DE723314C - Process for sensitizing halogen silver emulsions : de en
  • US2292059A - Mirror construction : en
  • USRE22153E - Refrigeration : en
  • CA406472A - Metal reduction furnace : en fr
  • FR874305A - Self-insulating oven, with recovery, for carbonization of wood : en fr
  • USD133269S - Design for a frame for spectacles : en
  • US2291840A - Automatic control for stokers : en
  • US2292184A - Valve : en
  • CA406495A - Flashlight picture taking apparatus : en fr
  • US2291748A - Tripod : en
  • US2291978A - Radio transmission system : en
  • AU115590B2 - Improvements relating to cassettes : en
  • GB546868A - Perforating device for printing presses : en
  • DE723650C - Process for the production of a firing base for porcelain mantle crowns or fillings : de en
  • US2291927A - Manufacture of lined wadding : en
  • CA406474A - Photographic material toning method : en fr
  • US2291754A - Delivery apparatus : en
  • US2292065A - Magnesium oxide insulation : en
  • US2291621A - Rail car : en
  • US2292007A - Liquid dispensing apparatus : en
  • GR9930B - PERFECTIONS OF THE YARN WRAPING MACHINE IN THE COILS. : el en
  • US2291806A - Seat construction : en
  • CA406470A - Hot water heater : en fr
  • US2291606A - Automatic orchard heater : en
  • CA406543A - Anti-glare visor : en fr
  • US2292103A - Method and apparatus for manufacturing floor mats : en
  • US2292113A - Magnetic gauge : en
  • USD133284S - Design for a jewelry clip : en
  • US2292290A - Method of making belts : en
  • US2292340A - Cusp-section muffler : en
  • US2291760A - Liquid suction pump : en
  • US2292143A - Washing machine : en
  • DE723646C - Two or more slotted magnetic field tubes : de en
  • DE723518C - High-voltage tension insulator, especially for overhead line suspension, in which a strand made of a fibrous insulating material, which is preferably provided with a protective tube made of ceramic material, is used to absorb the mechanical forces : de en
  • DE723532C - Collapsible child seat : de en
  • CA406478A - Hernial truss and pad : en fr
  • US2291789A - Sheet trimming, slitting, and scoring mechanism : en
  • USD133270S - Design fob a spectacle frame ob similar article : en
  • FR874154A - : fr
  • FR874380A - Threading device particularly applicable to the production of stoppers : en fr
  • FR874408A - Reel Film Camera Improvements : en fr
  • USD133295S - Combined tea strainer and container : en
  • CA406563A - Oil filtration : en fr
  • CA406449A - Ski : en fr
  • DE723603C - Abortion intended primarily for aircraft : de en
  • US2291667A - Hinge : en
  • DE723647C - Electrode arrangement for magnetic field tubes : de en
  • DE723688C - Circulating cylindrical heat exchanger surrounded by gases, especially for feed water : de en
  • DE723327C - Electrical capacitor with silver coatings applied to the dielectric without inclusions : de en
  • DE723338C - Process for reducing selenic acid to selenic acid : de en
  • DE723696C - Blackout devices, especially for air protection purposes : de en
  • FR874311A - Control pulley with clamping jaws mounted movable on sliding surfaces in the rim of the pulley : en fr
  • DE723454C - Acid-resistant flat gasket in the form of glass wool with binding agent, especially for bottle closures : de en
  • US2292180A - Hot air furnace : en
  • DE699892C - Row clamp composed of individual bodies : de en
  • US2292342A - Reflecting system for antennas : en
  • US2291934A - Vaporizer : en
  • DE723437C - Device for the continuous splitting of fats and oils : de en
  • CA406547A - Bottle filling machine : en fr
  • US2291859A - Capless self-sealing fountain pen : en
  • US2291635A - Means for indicating turning movements of craft : en
  • DK60021C - Electromagnetic Indicator for Indication of Numbers corresponding to successive Pulse Rows. : da en
  • US2292012A - Process for the preparation of insulation material : en
  • US2291701A - Production and treatment of threads, etc. : en
  • US2292167A - Induction motor : en
  • DE723384C - Receiver for frequency-modulated waves : de en
  • DE723370C - Device on baling presses for twisting the wire strings : de en
  • GB546939A - Improvements relating to haulage rope grippers : en
  • DE723276C - Process for the preparation of esters of non-coloring sulphurisation products of phenols : de en
  • FR874499A - Process for transferring drawings to semi-finished parts, in particular large construction parts, with a view to making cutouts : en fr
  • DE723466C - Brake for motor vehicles that is connected to the engine to relieve the load when driving downhill : de en
  • US2292268A - Well straightening device : en
  • DE723625C - Method and device for the mechanical separation of coarse-grained mixtures of substances : de en
  • CA406533A - Loom picker : en fr
  • CA406493A - Circuit for electric discharge devices : en fr
  • CA406528A - Paper machine wire faced roll : en fr
  • US2291649A - Wire line hitch assembly : en
  • CA406507A - Radio communication system : en fr
  • CA406475A - Photographic reducer : en fr
  • US2291638A - Process and apparatus for polymerizing olefins : en
  • US2292104A - Reversible opposed piston engine : en
  • CA406457A - Luminous display apparatus : en fr
  • CA406579A - Abrasive tool : en fr
  • US2291759A - Telegraph apparatus : en
  • US2292039A - Switch actuating mechanism : en
  • DE723456C - Rust loosening agent : de en
  • DE723505C - Articulated locomotive that can move in curves with a split locomotive engine : de en
  • US2292107A - House trailer : en
  • DE723544C - Aperture adjustment device for camera lenses sitting in a protective housing : de en
  • US2291971A - Material handling apparatus : en
  • USD133333S - Design for a beanie-type hat : en
  • US2291891A - Mortar temperer : en
  • DE723695C - Regenerative braking circuit for single-phase collector machines, especially rail engines : de en
  • DK60026C - Air cooling device at the rear engine in a vehicle designed with reduced air resistance. : da en
  • US2292064A - Alternating current lighting system : en
  • US2292310A - Clamping band : en
  • US2292008A - Luggaget lock : en
  • US2291947A - Regulation of arc lamps : en
  • US2292108A - Telephone line circuit : en
  • US2291987A - Cutting apparatus : en
  • CA406463A - Bottle carrier : en fr
  • US2292155A - Eye testing instrument : en
  • CA406482A - Breast form : en fr
  • AU115616B2 - Improvements in electrical apparatus for indicating liquid levels : en
  • CA406557A - Printing means : en fr
  • DE723394C - Process for the production of finned tubes with helically wound ribs on the smooth tube surface : de en
  • CA406509A - Shovel electric control device : en fr
  • US2291770A - Suction cleaner : en
  • US2291828A - Turbine blading : en
  • US2292195A - Fastener : en
  • US2292026A - Metallic coated ceramic ware : en
  • US2292097A - Window fog and frost preventive composition : en
  • US2291688A - Roughing machine : en
  • US2292198A - Manufacture of silicate-anhydrite compositions : en
  • US2291651A - Method of forming plywood : en
  • DE723328C - Magnet system : de en
  • FR874432A - Improvements to airplanes : en fr
  • AU115614B2 - Process forthe production of para-substituted benzene sulphonamide derivatives of pyridine, quinoline, and thiazole : en
  • US2292058A - Fuse : en
  • CA406517A - Stoker return rail key assembly : en fr
  • US2291906A - Lamp guard : en
  • US2292326A - Pantograph extensometer : en
  • DE723416C - Device for setting the individually adjustable, arranged on a back and forth swinging support spindle : de en
  • CA406491A - Motor control system : en fr
  • DE723312C - Process for the production of dry fodder : de en
  • US2291849A - Counterflow centrifuge and method of treating one liquid with another liquid of different specific gravity : en
  • US2292029A - Kit for manicure implements and the like : en
  • US2291718A - Viscose spinning process : en
  • US2292062A - Recording and reproduction of alternating impulses : en
  • DE723686C - Valve built into the gas supply line for charging a pilot flame tube : de en
  • FR874390A - Advanced heating and cooking device : en fr
  • US2291776A - Combined smoke observation device and photoelectric indicating means : en
  • US2292030A - Infant's pants : en
  • DE723690C - Hydraulically coupled sliding doors, especially for double-leaf sliding doors on rail vehicles : de en
  • US2292084A - Mounting means for electrical receptacles : en
  • AU115609B2 - 9 Improvements in or relating togas pressure regulator apparatus for gas reticulation systems : en
  • CA406458A - Wheel cover member : en fr
  • US2292209A - Apparatus for controlling zone hardening : en
  • US2291735A - Antiseptic : en
  • DE723282C - Starting and regulating device for multi-stage cooling systems : de en
  • DE723657C - Potato harvester with two sieve drums arranged behind the share : de en
  • GB546908A - Improvements relating to machines for sewing straw or other suitable material into thatch or the like : en
  • US2291989A - Wringer release : en
  • US2291802A - Safety attachment for hose couplings : en
  • US2292127A - Protector for boots and shoes : en
  • US2292331A - Hydraulic jack pumping plant : en
  • US2292096A - Circuit-breaker operating system : en
  • US2292126A - Well drilling apparatus : en
  • US2292321A - Traction wheel : en
  • US2291725A - Anchor setting mechanism : en
  • US2292234A - Case carrying truck : en
  • FR874434A - Braked spool adapting to a harvester-binder and allowing the reuse of old twines : en fr
  • CA406577A - Industrial goggles : en fr
  • US2291855A - Traffic actuated signaling apparatus : en
  • US2292102A - Insulating bushing : en
  • US2292050A - Starter switch : en
  • DE722898C - For overfeed forced-flow steam generators with water separator, specific feed regulator : de en
  • CA406555A - Combine grain pan : en fr
  • AU115580B2 - Frequency multiplier : en
  • DE723318C - Drafting system for worsted and viscose wool preparation machines : de en
  • FR874447A - Bogie : en fr
  • US2292316A - Curing glue stock : en
  • DE723588C - Instant liquid heater : de en
  • FR874488A - Derailleur for bicycles and, more generally, for any chain transmission device : en fr
  • GB546946A - Improvements in electric transformers : en
  • FR874310A - Mill or centrifugal mill for crushing and grinding coal and the like : en fr
  • GB546892A - Improvements in or relating to needlebar mechanism for sewing machines : en
  • FR874410A - Preparation of nitro products : en fr
  • CA406497A - Flashlight synchronizing apparatus : en fr
  • CA406591A - Refractory composition : en fr
  • DE723417C - Paper roll brake for rotary printing machines : de en
  • FR874152A - : fr
  • AU377741A - Concentration of hygroscopic solutions : en
  • CA406575A - Railway tie plate : en fr
  • DE723402C - Device for determining the systolic and diastolic blood pressure : de en
  • DE723523C - Electric submersible motor : de en
  • US2291951A - Electric feeler : en
  • US2292248A - Bushing : en
  • AU115606B2 - Improvements in or relating to sound barrier wall or door constructions : en
  • AU115584B2 - Improvements in and relating tothe vaporization of kerosene, diesel oil, andother comparatively heavy fuels for use in internal V. combustion engines : en
  • CA406549A - Container crowning apparatus : en fr
  • CA406510A - Electroplating apparatus : en fr
  • US2291933A - Pipe rack : en
  • DE723520C - Equipment on rail supports for electrical systems : de en
  • DE723385C - Electrical resistance, consisting of several wave-shaped flat individual elements : de en
  • GB546878A - Improvements in or relating to dust-extracting or filtering apparatus : en
  • US2291616A - Method of coating webs : en
  • US2291690A - Gear shift : en
  • US2291779A - Geophysical apparatus and method : en
  • US2292046A - Fitting for use in the erection of frameworks, scaffolding, and other structures : en
  • FR874323A - Fan for cooling internal combustion engines for automobiles : en fr
  • GB546933A - Improvements in or relating to cement : en
  • US2291973A - Ignitron construction : en
  • US2291626A - One-unit safety trailer : en
  • US2292111A - Image dissector : en
  • USD133286S - Design for a jewelry pin : en
  • GB546912A - Transparent elastic surgical bandage : en
  • DE723476C - Heat protection jacket for housings with a horizontal axis that are exposed to high temperatures inside, especially of hot steam or gas turbines : de en
  • FR874494A - Device intended to join together parts of metal structures : en fr
  • US2291720A - Die suspension : en
  • US2291923A - Vehicle signal actuating device : en
  • FR874363A - Multi-speed motion transmission mechanism : en fr
  • FR874395A - Improvements in dyes and intermediates to obtain these dyes, and their applications, in particular in photography : en fr
  • FR874430A - Dilute sulfuric acid concentration process : en fr
  • FR874381A - Process for obtaining pure cellulose : en fr
  • US2291965A - Electrical discharge device : en
  • FR874379A - Process for manufacturing agglomerates, in particular for gasifiers and resulting new product : en fr
  • FR874368A - Device for increasing the cooling effect in motor vehicles with engine at the rear and a body with low aerodynamic resistance : en fr
  • FR874415A - Cinematographic camera and sound recording device : en fr
  • FR874391A - Method and device for shaking dough in the manufacture of chocolate and confectionery articles : en fr
  • CA406522A - Torch : en fr
  • US2292188A - Container : en
  • DE723368C - Method for measuring and regulating the density of pulp, in particular pulp mixtures : de en
  • CA406571A - Television receiver : en fr
  • GB546977A - Improvements in and relating to the hardening of casein fibres : en
  • DE723383C - Device for drying gravure paper or fabric webs : de en
  • DE723591C - Fuel injection pump for internal combustion engines : de en
  • FR874274A - Process for manufacturing high pressure tanks : en fr
  • FR874467A - Device with an expansion chamber to obtain the precipitation of soot in order to separate it from the fumes : en fr
  • GB546925A - Means for regulating the temperature of a furnace or the like : en
  • US2291850A - Roofing and process of making the same : en
  • US2292068A - Apparatus for size grading shrimp : en
  • USD133287S - Design for a jewelry pin : en
  • DE723342C - Bottle for liquefied gases : de en
  • DE723535C - Mast with several telescopic mast sections : de en
  • USD133326S - Design for a dress : en
  • US2292017A - Brake adjuster : en
  • DE723399C - Arrangement for remote switching and feedback : de en
  • US2291710A - Dispensing mechanism and process : en
  • US2292244A - Compensating balance wheel and the like : en
  • FR874269A - Device for rear number illumination on aerodynamic automobile bodies : en fr
  • GB546919A - Improvements in elastic fluid turbines : en
  • FR874407A - Photographic reproduction apparatus : en fr
  • DE723526C - Process for the manufacture of copper oxide rectifiers : de en
  • US2291870A - Demountable ash tray : en
  • US2291877A - Display apparatus : en
  • US2292199A - Manufacture of coated particles : en
  • GB546910A - Improvements in and relating to portable spraying appliances or outfits : en
  • FR874483A - Manufacturing process for high-value lubricating oils : en fr
  • US2292003A - Valve : en
  • GB546915A - Process for imparting to wool a gloss and scoop similar to that of natural silk : en
  • DE723617C - High-voltage outdoor switchgear : de en
  • FR874478A - Device for sheathing electrical conductors : en fr
  • US2292066A - Friction transmission mechanism : en
  • US2292146A - Hydraulic power transmission : en
  • US2291834A - Color photographic reversal process : en
  • US2292202A - Reversing and disconnecting control system : en
  • FR874293A - Use of an aluminum alloy which closes magnesium, iron, manganese, silicon, chromium and titanium as raw material for mechanical parts : en fr
  • FR874471A - Automobile or gasifier truck : en fr
  • CA406519A - Tire pump : en fr
  • DE723334C - Machine tool, in particular thread grinding machine : de en
  • US2291694A - Safety bolster : en
  • US2292038A - Combined attachment cap and lamp holder : en
  • US2292072A - Turbine blade vibration damper : en
  • DE723691C - Signaling device, especially for vehicles with any number of trailers : de en
  • DE723567C - Self-igniting, air-compressing internal combustion engine : de en
  • US2292249A - Chain dredge bucket : en
  • US2291678A - Dispensing system for volatile liquids : en
  • US2291963A - Method and apparatus for filtration : en
  • FR874339A - Device for supplying cooling air to the engine chamber of aerodynamic vehicles with air-cooled engine arranged at the rear of the bodywork : en fr
  • DE723324C - Arrangement for obtaining line and line pull pulses, the leading and trailing edges of which have different steepnesses : de en
  • CA406546A - Woven wire fabric : en fr
  • USRE22154E - Excitation system for dynamoelec : en
  • GB546893A - Improvements in or relating to means for guiding threads from kops, spools, or the like : en
  • US2291786A - Method of making rubber articles : en
  • US2292085A - Composite tile structure : en
  • DE723638C - Junction line distribution system : de en
  • DE723387C - Process for the production of hard metal fittings : de en
  • CA406441A - Sugar juice treating apparatus : en fr
  • FR874479A - Device automatically regulating the ignition advance simultaneously with an additional air intake adjustment reducing fuel consumption in all internal combustion and internal combustion engines : en fr
  • GB546937A - Method of extracting wax from peat and treating same : en
  • FR874425A - New quaternary salts and photographic dyes and emulsions containing these dyes : en fr
  • GR9933B - GAS AMPLIFIER. : el en
  • FR874417A - Improved method and devices for centering lenses : en fr
  • GB546865A - Improvements in the preparation of tocopherol concentrates : en
  • CA406590A - Piston ring : en fr
  • DK60013C - Procedure for the preparation of derivatives of the adrenal cortex hormone compounds. : da en
  • US2291662A - Automatic brake shoe adjuster : en
  • DE723422C - High frequency two-pole rectifier circuit : de en
  • DE723346C - Electrical insulating material : de en
  • DE723438C - Process for the production of a knitted fabric with bar stitches on the flat weft knitting machine : de en
  • US2291679A - Greasing implement : en
  • US2291703A - Adjustable calendar : en
  • US2291860A - Internal combustion engine : en
  • US2291904A - Wrought steel wheel : en
  • US2291926A - Source of visual and ultra violet radiation : en
  • DE723116C - Production of organic sulfur compounds : de en
  • GB546890A - An improved method and apparatus for the mixing of gas and air in burners : en
  • US2292235A - Tension adjusting device : en
  • DE723577C - Circuit arrangement for disconnecting faulty connection lines from branch points in telephone systems with connecting lines equipped with several branch points : de en
  • US2291715A - Iron core inductance control : en
  • US2291609A - Monocalcium phosphate and process for producing the same : en
  • US2291682A - Magnetic focusing arrangement for cathode ray tubes : en
  • US2291961A - Method of insulating electrical conductors : en
  • US2292186A - Gear transmission : en
  • GB546904A - An improved counting mechanism casing for measuring apparatus, such as electricity meters : en
  • FR874320A - Arrangement of a transverse engine in the powertrains of rear-engined automobiles : en fr
  • FR874482A - Electrical coupling system : en fr
  • US2291950A - Earth moving equipment : en
  • US2291755A - Container and the production and nesting thereof : en
  • GB546953A - Improvements relating to lamp masks : en
  • USD133305S - Design fob a button : en
  • FR874357A - Connection for carbon collector blades : en fr
  • DE723409C - Process for the production of socks cut from warp knitted fabrics : de en
  • DE723364C - Method of cleaning the anterior pituitary hormone : de en
  • DE723645C - Electrolyte for electrolytic capacitors : de en
  • FR874336A - Device for checking tools and in particular the main angles of cutting irons : en fr
  • DE723423C - Arrangement to compensate the horizontally polarized component in the transmission or reception field of a vertical antenna : de en
  • FR874451A - Hot-compression varnishing process : en fr
  • GB546863A - Improvements in or relating to the manufacture of powdered magnetic material : en
  • GB546906A - An improved casting mould for forming metal castings : en
  • DE723676C - Getter arrangement for multi-system tubes : de en
  • US2291680A - Structure and method of making the same : en
  • US2291783A - Hydraulic valve : en
  • US2292052A - Socket for starting switches : en
  • FR874252A - Automatic air inlet valve for wood charcoal oven : en fr
  • FR874443A - Device for adjusting a photoelectric light meter forming part of a photographic or cinematographic camera : en fr
  • DE723551C - Machine gun : de en
  • GB546987A - Improvements in multiple-colour television systems : en
  • DE723418C - Type lever drive for typewriters : de en
  • US2292010A - Convertible bulkhead for refrigerator cars : en
  • US2292223A - Attaching machine : en
  • US2292313A - Halftone screen : en
  • DE723323C - Pneumatic dryer : de en
  • DE723510C - Cross frame system : de en
  • FR874422A - Device for tight assembly of casing subjected to internal pressure : en fr
  • FR874255A - Method and means of manufacturing cement : en fr
  • DE723564C - Maximum consumption indicator : de en
  • US2291837A - Electric connector plug : en
  • US2292283A - Electric bowling game apparatus : en
  • GB546928A - Improvements relating to level regulating arrangements for electric signal transmission systems : en
  • GR9932B - PRECISION WOOD DRILL. : el en
  • FR874292A - Improvements to guillotine frames : en fr
  • US2292332A - Composition comprising cellulose derivatives : en
  • DE723467C - Procedure for removing shrapnel that is no longer usable : de en
  • DE723581C - Exhaust pipe spark gaps connected in series, in particular surge arresters : de en
  • DE723626C - Method and device for the continuous decating of textile fabrics : de en
  • FR874267A - Disc lubrication device for high peripheral speeds : en fr
  • FR874343A - Synthetic materials similar to waxes : en fr
  • FR874431A - Process for decarbonating drinking water and drinking water with simultaneous removal of silica, using dolomite hydrate : en fr
  • DE723373C - Device for the complete covering of a through opening provided in the surface of the airframe for a retractable landing gear : de en
  • FR874329A - Advanced blower or axial fan for air-cooled engines, especially in cars with streamlined bodywork and rear engine : en fr
  • DK60020C - Device for Element Boilers with Underburning for Supply of Secondary Air. : da en
  • US2291605A - Safety razor construction : en
  • US2292222A - Two-way radio communication system : en
  • US2291597A - Hubcap for motor vehicle wheels : en
  • USD133261S - Stool pedestal or similar article : en
  • US2291705A - Process for connecting pipes : en
  • US2292278A - Pressure system : en
  • DE723447C - Vulcanizing kettle with heating medium circulation : de en
  • FR874454A - Facsimile telegraph systems : en fr
  • USD133321S - Design for a dress : en
  • US2291752A - Selecting system : en
  • US2291751A - Manufacture of fastener devices : en
  • FR874283A - Blower arrangement in air-cooled and opposed cylinder engines : en fr
  • DE723309C - Flat scraper with a knife that is smooth on all sides and clamped in a spring-loaded clamping jaw : de en
  • US2291813A - Sprinkler system : en
  • US2291980A - Beer barrel : en
  • US2292037A - Washer : en
  • DE723391C - Protection against the escape of a medium, air, gas or liquid in a pipeline : de en
  • GB546960A - Improvements in accelerators of vulcanization : en
  • DE723592C - Fuel pump with memory for internal combustion engines : de en
  • US2291866A - Bottle opener : en
  • US2292079A - Torque converter : en
  • DE723386C - Well-designed stocking : de en
  • DE723619C - Coupling capacitor, especially high-voltage capacitor : de en
  • GB546888A - Improvements in and relating to air drying apparatus : en
  • FR874290A - Arrangement of the oil cooler in air reiroidis engines : en fr
  • GB546922A - Improvements in and relating to bricks for building purposes and method of use : en
  • DE723382C - Rectifying column : de en
  • US2291938A - Furnace lining : en
  • US2292317A - Binder rolling construction : en
  • USD133327S - Design foe a dress : en
  • CA406583A - Maltose fermentation : en fr
  • US2291696A - Refrigeration : en
  • US2292036A - Bearing for drill bits : en
  • US2292243A - Kiln control : en
  • DE723636C - Insulating strip with grooves for inserting bare electrical cables : de en
  • US2291706A - Threaded sheet metal bung opening : en
  • US2292159A - Control apparatus : en
  • US2292022A - Treatment of gelatin : en
  • CA406536A - Loose material spraying device : en fr
  • US2291691A - Pasting machine : en
  • US2291885A - Catalytic conversion of hydrocarbons : en
  • CA406609A - Material stapling method and means : en fr
  • US2291954A - Means for sealing shafts : en
  • DE723272C - Process for improving the baking quality of flours : de en
  • DE723395C - Process for processing phosphorus sludge : de en
  • DE723685C - Lubricating device of a knife star, dough dividing and molding machine : de en
  • US2292173A - Electric valve control circuit : en
  • AU229441A - Improvements in electrical apparatus for indicating liquid levels : en
  • CA406479A - Closure cap making machine : en fr
  • CA406480A - Traffic signalling system : en fr
  • US2291698A - Temperature responsive means : en
  • US2292214A - Control device : en
  • AU423942A - Improvements inthe water tube walls of steam generator furnaces : en
  • DE723350C - Device for controlling apparatus or machines connected to an energy distribution network : de en
  • FR874433A - Electronic tube device for ultra-short electric waves, in particular for waves of the order of decimeter and centimeter : en fr
  • SE105152C1 - : en
  • USD133280S - Combined perfume container and holder : en
  • USD133282S - Design fok a shoe : en
  • DE723413C - Steam trap with coaxial valves for the inlet and for the bypass : de en
  • GB546942A - Improvements in and relating to electric motor control systems : en
  • CA406451A - Electric soldering iron : en fr
  • US2291631A - Insole-punching machine : en
  • US2291811A - Tank support : en
  • US2292057A - Vapor-electric device : en
  • US2291958A - Process of preparing phosphorus and boron containing compounds and products obtained thereby : en
  • US2291809A - Apparatus for slicing, dicing, and cutting meat and the like : en
  • DE723566C - Fastening device for the double wire tines of broom rakes : de en
  • US2291939A - Pump and fuel injection control device : en
  • US2291700A - Rubber bonded to regenerated cellulose : en
  • US2292088A - Circuit interrupting device : en
  • USD133314S - Design for a cooking apparatus : en
  • US2291799A - Method of making unturned shoes : en
  • CA406508A - Network system of distribution : en fr
  • US2291620A - Pipe tong : en
  • US2291644A - Apparatus for electrolysis of fused electrolytes : en
  • US2292009A - Convertible bullkhead for refrigerator cars : en
  • US2292070A - Insole : en
  • US2292309A - Adjustable elevating device : en
  • FR874313A - Insulated-mounted carbon body : en fr
  • FR874409A - Improvements to photographic projection devices : en fr
  • US2292028A - Ceiling construction : en
  • CA406593A - Winding apparatus : en fr
  • DE723642C - Procedure for starting converters : de en
  • US2292233A - Internal combustion engine : en
  • US2291812A - Thermopile : en
  • CA406532A - Coarse material heat treating apparatus : en fr
  • USD133308S - Design for an earring : en
  • US2291775A - Motor : en
  • AU321541A - Improvements in or relating to synthetic compositions : en
  • CA406490A - Synchronous motor apparatus : en fr
  • CA406505A - Shaver motor : en fr
  • AU115608B2 - Improvements inthe water tube walls of steam generator furnaces : en
  • GB546966A - Improvements in devices for intercepting aircraft : en
  • USD133338S - Design foe a dress : en
  • US2291998A - Alarm signal system with code register : en
  • US2292229A - Splash guard for grinding machines : en
  • US2292110A - Beehive : en
  • US2292119A - Adjustable stylus for facsimile recorders : en
  • US2291810A - Time system : en
  • US2291919A - Die head : en
  • USD133300S - Design for a vehicle curtain : en
  • DE723380C - Textile treatment agents : de en
  • DE723499C - Non-counter-rotating, radially loaded steam turbine for forward and reverse travel : de en
  • US2291769A - Air conditioning apparatus : en
  • US2291966A - Adjustably mounted clothes hook : en
  • US2291922A - Machine for forming wire coils : en
  • GB546924A - Improvements in or relating to grass and other boilers : en
  • US2291916A - Wringer : en
  • USRE22155E - Magnetic valve : en
  • FR874444A - Improvements to devices for copying acoustic traces on films : en fr
  • DE723354C - Leonard circuit for large control ranges : de en
  • US2292297A - Toe protecting shield for shoes : en
  • US2291758A - Thread cutting mechanism : en
  • FR874271A - Improvements to vehicles such as trailers, hand cars, etc. : en fr
  • DE723621C - Process for the production of sintered alloys : de en
  • GB546965A - Improvements in vehicle bodies : en
  • FR874437A - Process for preparing beauty powders containing sulfur : en fr
  • US2292089A - Propeller : en
  • DE723419C - Furnace for forged or hardened goods : de en
  • GB546873A - Improvements relating to adjustable indicators for use on machine tools such as capstan and turret lathes : en
  • CA406601A - Thermal power element : en fr
  • DE723531C - Frameless spring insert for mattresses and upholstery : de en
  • US2292258A - Feeding mechanism for sewing machines : en
  • US2291991A - Apparatus for cleaning rolls : en
  • FR874385A - Improvements to pumps for all applications and new motor feed device : en fr
  • US2292158A - Gas blast circuit breaker : en
  • FR874370A - Servo-motor selective relay : en fr
  • FR874365A - Engine mounting in rear-engined cars and bodies with reduced aerodynamic resistance : en fr
  • DE723606C - Swiveling gripper attachment : de en
  • GB546935A - Improvements in steering wheels : en
  • US2292218A - Camera construction : en
  • US2292255A - Process of roasting coffee : en
  • DE723408C - Full jacket extractor for separating liquids from pulpy or mainly liquid material : de en
  • US2291709A - Gasket construction : en
  • US2291831A - Friction shock absorbing mechanism : en
  • US2291835A - Low-frequency induction furnace : en
  • DE723618C - Control transformer, especially for stage lighting purposes, with flat metal winding : de en
  • US2291852A - Shaving apparatus : en
  • FR874328A - Improved layout for engine chamber ventilation in streamlined vehicles with air-cooled rear engine : en fr
  • FR874281A - Process for increasing the proportion of phosphoric acid soluble in citric acid in Thomas slag powder, with simultaneous production of manganese and iron : en fr
  • FR874427A - Apparatus for coating the interior wall with projectiles and, in general, with all hollow bodies, with varnish or other protective liquid : en fr
  • US2291681A - Shaving kit : en
  • US2291803A - Shell banding machine : en
  • FR874481A - Fastening, without sealing, of metal frames to ceramic insulators : en fr
  • GB546981A - Improvements in and relating to fluxes for magnesium and magnesium alloys : en
  • US2292185A - Pile resistor : en
  • US2292226A - Fastener : en
  • US2291815A - Hammer mill : en
  • US2291908A - Lamp guard : en
  • USD133291S - Design for a ventilating unit : en
  • US2291941A - Boiler fire tube : en
  • US2292203A - Generating electric drive and control system : en
  • FR874276A - Process for obtaining oils soluble in water and not foaming and their emulsions : en fr
  • CA406585A - Drill core barrel : en fr
  • US2292247A - Multiple punch press : en
  • AU427942A - 9 Improvements in or relating togas pressure regulator apparatus for gas reticulation systems : en
  • FR874331A - Improved arrangement of ventilation slots in the hood of low profile vehicles with engine at the rear : en fr
  • FR874316A - Crossing heart in vineyard rails : en fr
  • DE723583C - Arrangement for sterile entry and exit in fizioeser objects in electron microscopes using a lock chamber : de en
  • GB546869A - Improvements in or relating to intaglio printing or coating cylinders : en
  • US2291913A - Window sash construction : en
  • US2291646A - Cutout : en
  • FR874308A - Device for remote electrical measurement : en fr
  • US2291636A - Fluid compressor : en
  • US2291633A - Mining machine : en
  • US2292041A - Piston ring : en
  • FR874342A - Process for the manufacture of hard alloys for tools and work instruments : en fr
  • DE723478C - Protection device against overvoltages for electrical machines and apparatus : de en
  • DK60019C - Oven with secondary Air supply. : da en
  • FR874412A - Twin lens camera : en fr
  • USD133334S - Design for a dress : en
  • DE723444C - Cooking pot with a multi-part lid consisting of superposed, mutually rotatable parts : de en
  • AU20841A - Frequency multiplier : en
  • FR874405A - Further training in cameras : en fr
  • DE723426C - Electrical insulating body made of a densely sintered mixture of titanium dioxide, zirconium dioxide and alkaline earth fluxes : de en
  • DE723580C - Device for carrier current transmission over power lines : de en
  • FR874383A - Woven wooden tablecloth, flexible, rigid weft : en fr
  • DE723543C - Device for stacking sections of a paper web cut by a cross cutter : de en
  • DE723683C - Belt box for machine guns stored in slewing ring mounts : de en
  • FR874277A - Short wheelbase tandem cycle : en fr
  • FR874492A - High speed positive displacement compressor : en fr
  • US2291666A - Clamping device : en
  • USD133265S - Design for a combined slide and grd? buckle : en
  • US2291929A - Wall or like plug : en
  • CA406576A - Brush retainer : en fr
  • US2292205A - Aluminum phenate : en
  • US2292325A - Gear shifting mechanism : en
  • CA406477A - Photographic developer : en fr
  • US2291777A - Lamp mount : en
  • US2292060A - Operating mechanism for fluorescent lamps : en
  • USD133320S - Design for a dress : en
  • US2291599A - Solenoid : en
  • US2292300A - Photochemical exploration method : en
  • US2291943A - Process for producing high speed cutting tools : en
  • US2292067A - Production of white leather : en
  • CA406573A - Sound record production : en fr
  • US2291818A - Sprinkler system : en
  • US2292053A - Attachment plug : en
  • CA406584A - Yeast manufacture : en fr
  • US2292121A - Pipe service pit and enclosure : en
  • CA406455A - Blind or screen : en fr
  • AU227941A - Granulated carbon microphone : en
  • AU387741A - Improvements relating to apparatus for electro-deposition : en
  • USD133263S - Design for a pair of spectacles : en
  • DE723486C - Steering clutch arranged in the countershaft housing of a caterpillar vehicle between the drive and pinion shaft : de en
  • US2291975A - Mounting for trophies and the like : en
  • US2292151A - Electric discharge device : en
  • GB546894A - Improvements in or relating to the manufacture of quilting : en
  • US2291911A - Apparatus for raising oil and gas from oil wells : en
  • CA406570A - Television receiver : en fr
  • DE723667C - Gear for two shafts intersecting at an acute angle, especially for watercraft : de en
  • AU189841A - Process forthe production of para-substituted benzene sulphonamide derivatives of pyridine, quinoline, and thiazole : en
  • DE723463C - Float shock absorber for the pressure line of piston pumps : de en
  • US2292090A - Constant speed gyroscope : en
  • US2292232A - Musical instrument : en
  • USD133306S - Design fob a building block : en
  • US2291724A - Filing folder : en
  • DE723440C - Tanning plant with revolving tanning barrel : de en
  • DE723361C - Flat weft knitting machine with device for the production of double frames : de en
  • DE723548C - License plate with interior lighting : de en
  • DE723503C - Device for the makeshift suspension of railway tracks : de en
  • FR874251A - Trailers : en fr
  • FR874375A - Binder for agglomerates : en fr
  • FR874453A - Food manufacturing process does not form flakes from starch : en fr
  • FR874473A - Milling plant : en fr
  • FR874257A - Process for producing flat surfaces using thin sheets of plastics and products comprising such surfaces : en fr
  • CA406604A - Quaternary thiazolium compound : en fr
  • DE723434C - Electric cooking, roasting and baking equipment : de en
  • FR874353A - Solid fuel for gasifier and its manufacturing process : en fr
  • CA406554A - Power lift : en fr
  • DE723572C - Filling gas incineration car for coke ovens : de en
  • FR874312A - Improvements to rim linings for light vehicles : en fr
  • DE723521C - Arrangement for the cementless fastening of insulators : de en
  • US2292302A - Speed responsive apparatus : en
  • FR874335A - Further development of the auxiliary air guide element in bodies with reduced aerodynamic resistance : en fr
  • GB546950A - Improvements in and relating to metal working presses : en
  • DE723525C - Electromagnet : de en
  • FR874429A - Roll film camera, for motion picture film : en fr
  • FR874258A - Improvements in loudspeaker construction : en fr
  • FR874397A - Colorants and intermediates for colorant production : en fr
  • DE723439C - Process for the production of socks with French feet that are properly shaped on the flat weft knitting machine : de en
  • DE723536C - Equipment for injection molding machines for thermoformable masses : de en
  • US2291692A - Magnetic logging : en
  • USD133264S - Design for a textile fabric : en
  • GR9934B - GAS FOR FIREWORKS OR CARBONS. : el en
  • US2291829A - Process of producing matrices for the electroforming of foraminous sheet : en
  • US2291920A - Die head : en
  • US2292304A - Change speed mechanism : en
  • FR874282A - Blower arrangement for air-cooled and opposed cylinder engines : en fr
  • US2291878A - Automatic dead bolt latch : en
  • US2292263A - Platform attachment for shoes : en
  • GB546936A - Improvements in and relating to gas producers : en
  • GB546930A - Sewing machine and similar lighting fixture : en
  • GB546945A - Improvements in or relating to crane-locomotives : en
  • DE723133C - Process for the production of metal-containing polyazo dyes : de en
  • FR874299A - New condensate products and their industrial uses : en fr
  • USD133276S - Design for a shoe : en
  • USD133339S - Design fob a dress : en
  • DE723601C - Arrangement for the automatic tensioning of felt and similar towels on paper machines : de en
  • FR874414A - Instrument for checking the flatness of glass or other reflective material : en fr
  • FR874378A - Digester device for sludge treatment : en fr
  • DE723487C - Machine for the production of semi-cylindrical ribbons : de en
  • DE723524C - Electric machine with commutator flags that act as fan blades : de en
  • US2291684A - Network distribution system : en
  • USD133299S - Design for a mop wringer : en
  • US2291967A - Collapsible card table : en
  • US2292216A - Spark plug : en
  • US2291744A - Thread cutting mechanism : en
  • DE723659C - Welding pipe connection : de en
  • DE723332C - Front wheel drive block for motor vehicles : de en
  • FR874243A - : fr
  • FR874374A - Calcium chloride concentration and fractionation apparatus : en fr
  • GB546983A - Improved apparatus for testing the chlorine content of water applicable to other like purposes : en
  • DE723435C - Process for the preparation of monoazo dyes containing complexed chromium : de en
  • DE723512C - Beacon transmitter : de en
  • DE723477C - Junction : de en
  • DK60029C - Device for rinsing tanks. : da en
  • US2291841A - Patch applying and laminating mechanism for paper working machines : en
  • US2292081A - Electric discharge device : en
  • US2291654A - Fuel system and pressure switch therefor : en
  • US2291704A - Method of packing food products : en
  • US2292093A - Labeling machine : en
  • US2292055A - Urinal carrier : en
  • GB546948A - Improvements in or relating to self-priming centrifugal pumps : en
  • CA406581A - Bottle carrier : en fr
  • US2291785A - Surgical device : en
  • US2291857A - Cooking appliance : en
  • DE723292C - Process for the preparation of o-oxyazo dyes containing complexed cobalt : de en
  • US2291762A - Catalytic apparatus : en
  • USD133319S - Design fob a dress : en
  • US2291893A - Bolt and spike pulling jack : en
  • US2291791A - Shoe novelty : en
  • US2291960A - Discharge lamp and circuit : en
  • US2291639A - Centrifugal switch : en
  • US2291821A - Lens cap : en
  • US2292098A - Cutting or drilling device : en
  • US2292061A - Signaling system : en
  • US2292129A - Oxidation of trichlorethylene : en
  • US2292130A - Sled : en
  • USD133332S - Design fob a dress : en
  • CA406539A - Garment : en fr
  • CA406501A - Radio apparatus for detecting aircraft : en fr
  • US2291729A - Drilling apparatus : en
  • US2291972A - Pumping mechanism : en
  • US2292224A - Gumming machine : en
  • US2291881A - Speed control valve : en
  • US2292045A - Device for making designs : en
  • DE723574C - Process for the production of pellets of durohydroquinone : de en
  • CA406450A - Plant setter and corn and bean planter : en fr
  • DE723378C - Cigar matting machine : de en
  • FR874369A - Process for preparing adipic acid and apparatus suitable for carrying out this process : en fr
  • US2291768A - Refrigeration : en
  • IE16322L - Polyhydro-dibenzopyran derivatives : en
  • GB546882A - Improved telescopic lens mount construction : en
  • AU115602B2 - Improvements relating tothe production of glass fibres : en
  • CA406562A - Heater structure : en fr
  • US2291993A - Electrical switch : en
  • US2292006A - Universal flight instrument : en
  • US2292160A - Temperature control system : en
  • US2292260A - Hobbing machine : en
  • USD133336S - Design for a dress : en
  • US2291858A - Wheeled scraper : en
  • US2291721A - Swing : en
  • US2292094A - Bevel, protractor, and calculator : en
  • US2292131A - Electrical sound blooping : en
  • DE723329C - Device for the production of rayon threads with changing titer : de en
  • US2291883A - Control for registering mechanisms and the like : en
  • US2291608A - Monocalcium phosphate and process for producing the same : en
  • CA406565A - Bearing member : en fr
  • CA406550A - Combine elevating device : en fr
  • US2292020A - Wattle-stop, sanitary, collective, poultry house water trough : en
  • US2291640A - Seat structure : en
  • US2291990A - Electric circuit controller : en
  • US2291909A - Horticultural spray apparatus : en
  • DE723411C - Stabilized aqueous brine of precious metals : de en
  • US2291952A - Quartz lamp : en
  • FR874399A - Device for conveying material in the form of a strip : en fr
  • GB546954A - Improvements relating to laths for supporting building boards : en
  • CA406443A - Paint mixing machine : en fr
  • CA406504A - Polarity relay system : en fr
  • US2291708A - Beater for whipping cream, eggs, etc. : en
  • US2291619A - Fluid pressure operated device : en
  • US2292279A - Shipping container : en
  • US2292314A - Electrolytic apparatus for the recovery of metals : en
  • DE723392C - Process for improving the shelf life of bottled beers : de en
  • US2292014A - Method and apparatus for recording and reproducing : en
  • US2292239A - Calk device : en
  • AU115613B2 - Producing and transmitting electromagnetic waves : en
  • US2291764A - Ironing pad : en
  • DE723594C - Magneto : de en
  • US2292141A - Means to deliver stock to picker feeders : en
  • DE723415C - Holding cylinder high-speed press with front bow exit : de en
  • DE723550C - Device for the production of detonators, detonators or the like by pressing initial explosives into cases : de en
  • DE723684C - Cartridge belt feed device with cartridge belt container rotatably mounted in particular in aircraft turntables : de en
  • US2292168A - Induction motor : en
  • FR874466A - Transformation devices for two-stroke engines with scavenging pump housing, for gas operation : en fr
  • FR874404A - Reel Film Cameras Improvements : en fr
  • FR874457A - Color image production process : en fr
  • US2292293A - Accelerator for catalytic hydrogenation of sugars : en
  • GB546967A - Improvements in and relating to moulding of thermoplastic materials and more particularly synthetic resins of the thermoplastic type : en
  • US2291711A - Shoe : en
  • CA406466A - Alarm system for cash registers : en fr
  • DE723460C - Device for sealing and lubricating the drive shaft of a pump : de en
  • FR874487A - Guide roller for derailleur : en fr
  • US2292271A - Hand tool : en
  • DE723671C - Ski pole : de en
  • US2291598A - Textile machine cleaner : en
  • US2291846A - Fitting for electric insulators : en
  • DE723480C - Arc welding clamps with coils suspended on bolts and adjustable with the help of a screw spindle : de en
  • DE723633C - Insulation for electrical machines and apparatus, which consist of an inorganic carrier material, e.g. B. fiberglass fabric, arranged mica layer : de en
  • DE723457C - Device for automatic monitoring of the chip thickness in sensor-controlled copying machines : de en
  • US2292291A - Steam turbine plant : en
  • US2291946A - Method of mothproofing and apparatus therefor : en
  • US2292204A - Cattle dehorner : en
  • US2291845A - East india resin coating compositions : en
  • DE723666C - Four wheel drive motor vehicle : de en
  • US2292225A - Fastener : en
  • FR874497A - Device for automatically releasing rotating tools from their drive mechanism : en fr
  • USD133307S - Design fob an ice bag : en
  • USD133341S - Design for a dress : en
  • DE723366C - Corrugated sheet roof cover : de en
  • DE723648C - Electrical discharge vessel, the walls of which are made of insulating material : de en
  • DE723568C - Viewfinder for photographic or cinematographic cameras : de en
  • FR874421A - Improvements to electrical shunts : en fr
  • FR874450A - Articulated sole : en fr
  • DE723573C - Saddle feed device for paper cutting machines : de en
  • US2291807A - Apparatus for treating sheet material in electrostatic fields : en
  • GB546969A - Improvements in pulp distributors : en
  • US2291915A - Process of preparing styrenes : en
  • US2291921A - Auxiliary preheating element in boilers for quick steaming and heating : en
  • CA406586A - Vibration dampening device : en fr
  • DE723675C - Process for the preparation of aryl-phenylmethane-2-carboxylic acids : de en
  • GB546866A - Improvements in or relating to the manufacture of organic carboxylic acids : en
  • DE723697C - Compressed air water separator : de en
  • DK60030C - Device at wind turbines. : da en
  • US2291693A - Propagation of plants : en
  • US2291874A - Sander : en
  • DE723584C - Process for the production of acid-proof, heat-setting putties with silicate bonding : de en
  • US2291842A - Production of steel : en
  • US2291689A - Suction cleaner : en
  • AU153041A - Producing and transmitting electromagnetic waves : en
  • US2291612A - Turn indicator : en
  • US2291824A - Recovery of refined products from tall oil : en
  • US2291930A - Stock feeder : en
  • US2292179A - Circuit controlling apparatus : en
  • CA406595A - Electron discharge device : en fr
  • US2292231A - System of packaging : en
  • GB546990A - Improvements in or relating to electric insulating materials : en
  • AU14241A - Improvements in radio sockets : en
  • DE723488C - Clamping device for sheets on stretch forming presses : de en
  • FR874295A - Axial fan for air-cooled vehicle engines : en fr
  • USD133318S - Design for an airplane : en
  • AU115610B2 - Improved power driven ripping saw : en
  • CA406469A - Material mixing apparatus : en fr
  • US2292319A - Skinning machine : en
  • US2292335A - Air conditioning apparatus : en
  • US2292134A - Relay : en
  • USD133298S - Design fob a vacuum tube : en
  • AU115615B2 - Improvements in or relating to titanium dioxide pigments : en
  • US2292270A - Garment bag support : en
  • DE723393C - Rolling mill for rolling sheet metal or strips with a cross-section that changes in the rolling direction : de en
  • GB546980A - Improvements relating to electrical relays : en
  • DE723345C - Process to avoid surface cracks in metallic components surface-treated by diffusion : de en
  • US2291999A - Tool holder : en
  • GB546941A - Improvements in alkaline electric batteries or accumulators : en
  • CA406500A - Navigation aiding radio system : en fr
  • CA406572A - Radio noise suppression circuit : en fr
  • DE723340C - Process for separating pure phenol mixtures from phenol-containing distillation products : de en
  • CA406560A - Telephone system : en fr
  • DE723656C - Roentgenographic test device for workpieces : de en
  • CA406529A - Hinge : en fr
  • US2292280A - Rake loader : en
  • AU115626B2 - Concentration of hygroscopic solutions : en
  • DE723374C - Twistable trolley for loads with a support frame made of wood : de en
  • US2291731A - Pressure regulating system : en
  • US2292292A - Table : en
  • AU115611B2 - Improvements in and relating toearth moving machinery : en
  • AU115579B2 - Improvements in radio sockets : en
  • AU224741A - Improvements in or relating to devices for mounting photographs cards andthe like : en
  • AU229341A - Improvements in or relating to titanium dioxide pigments : en
  • CA406521A - Torque limiting chuck : en fr
  • CA406598A - Fabric covered strand : en fr
  • CA406513A - Conveyer roll conditioning apparatus : en fr
  • CA406514A - Electroplating apparatus : en fr
  • CA406605A - Radiator for aircraft engines : en fr
  • DE723335C - Extrusion press : de en
  • DK60018C - Device by Opmaskenaale. : da en
  • CA406608A - Fabric pressing machine : en fr
  • US2291739A - Galvanic cell : en
  • US2291800A - Wallpapering process : en
  • US2292100A - Square wave generator : en
  • FR874297A - Switching device for tuning devices, in particular coil cylinders, in heavy radio apparatus : en fr
  • FR874348A - Process for the preparation of water-soluble derivatives of leuco-3.3'-ditrifluoromethylanthraquinone-1.2.2'.1'-azine and products obtained according to this process : en fr
  • DE723472C - Steep spiral slide for downward conveyance of debris : de en
  • DE723250C - Pest repellants : de en
  • US2291676A - Applicator for adhesives : en
  • US2292000A - Box sealing means : en
  • USD133272S - Design for a fork : en
  • FR874452A - Electromagnetic tabulator for typewriters and accounting machines : en fr
  • US2291816A - Brake : en
  • DE723517C - Implementation for high-voltage equipment, in particular for transformers or the like. : de en
  • DE723670C - Measuring system working according to the pulse frequency method, especially for remote measurement : de en
  • FR874326A - Sophisticated layout to ventilate an engine chamber and allow rearward visibility in rear-engined vehicles with streamlined bodywork : en fr
  • FR874420A - Improvements to meters : en fr
  • DE723425C - Arrangement for coupling two Lecher lines for ultra-short waves : de en
  • DE723615C - Process for the preparation of amines of the cyclopentanopolyhydrophenanthrene series : de en
  • AU400541A - Improvements in or relating to sound barrier wall or door constructions : en
  • DE723274C - Process for the production of vinyl methyl ketone from the contact fluids obtained during manufacture : de en
  • DE723516C - Fire-proof and short-circuit-proof roof rack introduction, in which conductors are used that are insulated with or embedded in fire-proof and fire-proof insulating materials : de en
  • DE723694C - Splash water protection for the air outlet end of ventilated electrical machines : de en
  • GB546905A - Improved door for furniture, buildings and the like : en
  • DE723530C - Process for the enrichment of gonadotropic agents : de en
  • GB546889A - Improvements in electro-magnetic relays : en
  • DE723337C - Device for attaching the bells to the cooking floors of distilling and rectifying columns : de en
  • DE723359C - Brakeless drive device for the plating thread guide rails of flat weft knitting machines : de en
  • US2291932A - Sealing mechanism : en
  • US2292018A - Brake adjuster : en
  • DE723470C - Device for the production of spinning lines from synthetic thread bands : de en
  • DE723540C - Method for determining the tendency of fresh milk to be condensed to coagulate : de en
  • DE723372C - Device for leveling sheet-shaped or tape-shaped material, in particular photographic material : de en
  • DK60012C - Process for the Preparation of Ketones of the Cyclopentanopolyhydrophenanthene Series or their Enol Derivatives. : da en
  • US2291713A - Galvanometer : en
  • US2291890A - Manufacture of cigarettes : en
  • US2291848A - Apparatus for melting lead and other metals : en
  • DE723428C - Terminal for electrical lines, where the line is under spring pressure : de en
  • FR874456A - Process for the preparation of cyanine dyes : en fr
  • DE723600C - Process for the production of animal feed from waste yeast : de en
  • GB546874A - Improvements in and relating to upholstered bedding and seating surfaces : en
  • DE723320C - Method and device for opening up asbestos and similar fibers for the production of fiber cement articles : de en
  • FR874260A - Framing device : en fr
  • DE723639C - Knee lever snap device for electrical switches : de en
  • US2292227A - Slide fastener arrangement for bathing suits : en
  • DE723496C - Production of alkali aluminate from alumina sulphate and alkali chloride : de en
  • US2291871A - Pneumatic fiber placing machine : en
  • US2292206A - Antitheft device : en
  • CA406496A - Folding camera : en fr
  • CA406548A - Container crowning apparatus : en fr
  • US2292074A - Foot scaffold : en
  • US2291854A - Lithographic plate and method of producing it : en
  • FR874470A - Trainer walker : en fr
  • GB546897A - Improvements in platinum alloys : en
  • DE723576C - Sheet feeder : de en
  • US2291627A - Web propelling roller drive : en
  • US2291719A - Cabinet : en
  • US2291889A - Pump : en
  • FR874289A - Improvements to oil radiators in air-cooled engines : en fr
  • US2291613A - Projection printer : en
  • DE723468C - Scope mount : de en
  • DE723556C - Winding machine for the production of packages : de en
  • US2291798A - Addition products of 3.4-dehydrocyclotetramethylene sulphone : en
  • USD133302S - Combined desk set and envelope opener : en
  • US2291741A - Collapsible brush : en
  • DE723389C - Process for the production of refractory porous insulating bricks : de en
  • USD133315S - Design for a toaster : en
  • US2291730A - Radiation superheater : en
  • US2292118A - Molded article : en
  • US2292154A - Boiler : en
  • CA406588A - Piston ring : en fr
  • US2291617A - Fluid medium dispensing apparatus : en
  • US2292219A - Banking ball game : en
  • US2291788A - Combined gate and riser : en
  • CA406447A - Train brake control mechanism : en fr
  • AU225341A - Improved power driven ripping saw : en
  • DE723333C - Sealing strip : de en
  • DE723616C - Feeding elevator for shaft ovens, especially for foundry shaft ovens : de en
  • GB546926A - Improvements in tool jigs : en
  • US2292254A - High frequency resonant system and apparatus : en
  • FR874304A - Device for propelling a vehicle and controlling an agricultural machine : en fr
  • GB546943A - Improved vent plug for an electric accumulator : en
  • DE723293C - Process for the production of Kuepen dyes : de en
  • DE723398C - Transmission system for two-way communication by means of high-frequency carrier currents over power lines : de en
  • DE723474C - Impact tool : de en
  • US2292230A - Means for color comparison : en
  • US2291778A - Sulphonated unsymmetrical ketones : en
  • US2292034A - Arc ignition circuit : en
  • US2291761A - Slat slotting machine : en
  • US2291869A - Bedspring or like construction : en
  • USD133317S - Design for a shaper : en
  • DE723602C - Cell drum, especially for drying and cooling webs made of cellulose, wood pulp, paper, fabric and the like. Like. By means of blown air : de en
  • US2292323A - Wax coating composition : en
  • US2291882A - Soap dissolver and mixer : en
  • US2292329A - Pipe fitting : en
  • CA406465A - Mowing apparatus : en fr
  • CA406580A - Swaging machine feeder : en fr
  • CA406602A - Storage battery : en fr
  • US2291794A - Coating and impregnating product and process : en
  • AU115594B2 - Unwoven laminated sheets and method of making same : en
  • CA406592A - Windshield cleaner : en fr
  • DE723369C - Lifting plow with bar grate attached to the share : de en
  • FR874253A - New watch casing : en fr
  • CA406511A - Electroplating device : en fr
  • DE723562C - Gas heated liquid heater : de en
  • US2292305A - Iron sulphide metallurgy : en
  • USD133324S - Design foe a dress : en
  • CA406551A - Starch processing : en fr
  • DE723653C - Device for recording torques : de en
  • FR874345A - Arrangement of the oil cooler in low-profile automobiles with air-cooled rear engine : en fr
  • US2291797A - Centrifugal pump : en
  • US2291856A - Rotary pump : en
  • USRE22152E - Metal drawing press : en
  • AU275041A - Improvements relating to cassettes : en
  • AU115585B2 - Improvements in or relating to devices for mounting photographs cards andthe like : en
  • US2291746A - Air charging control and system : en
  • US2291817A - Shaft bearing for settling tanks : en
  • AU240941A - Improvements relating to apparatus for training pilots, navigators and like aircraft personnel : en
  • CA406489A - Planer pressure shoe device : en fr
  • CA406471A - Unloading valve : en fr
  • AU115589B2 - Improvements relating to apparatus for training pilots, navigators and like aircraft personnel : en
  • AU276841A - Improvements in gas filters : en
  • US2292112A - Temperature control system : en
  • USD133283S - Design fob a shoe : en
  • USD133301S - Design for a weighing scale beam : en
  • CA406542A - Recording machine : en fr
  • US2291683A - Plat book arrangement : en
  • US2292139A - Clock : en
  • AU115593B2 - Improvements in or relating to synthetic compositions : en
  • AU115604B2 - Improvements in buttons, press studs and like fastenings for garments : en
  • DE723665C - Take-off and landing aid for aircraft : de en
  • FR874341A - Device for supplying cooling air to the engine chamber of aerodynamic vehicles, with engine at the rear : en fr
  • DE723465C - Airplane wing : de en
  • CA406487A - Engine starter gearing : en fr
  • AU89941A - Improvements in and relating to apparatus employed inthe hardening and tempering of armour piercing projectiles andthe like : en
  • FR874382A - Improvements to discharge tubes : en fr
  • DE723502C - Method and device for binding wooden bodies endangered by longitudinal cracks, in particular railway sleepers : de en
  • CA406541A - Tractor wheeled track re-placement unit : en fr
  • US2292147A - Propeller : en
  • US2292273A - Window assembly : en
  • USD133297S - Design foe. a pin : en
  • US2292336A - Cushioning valve : en
  • US2292303A - Mine locomotive : en
  • DE723448C - Carbon anode : de en
  • CA406512A - Electroplating tank : en fr
  • US2291647A - Sequential fuse reclosing mechanism : en
  • US2291888A - Folding box : en
  • US2291629A - Abrading machine : en
  • CA406520A - Torque controlled tool drive : en fr
  • AU115591B2 - Improvements in gas filters : en
  • AU229541A - Improvements in electrical apparatus for indicating liquid levels : en
  • FR874272A - Electromagnetic fertilizer : en fr
  • FR874386A - Improvements to electric filters : en fr
  • FR874440A - Apparatus for directed transmissions or receptions of wave energy : en fr
  • US2291653A - Fuel system having fuel pressure regulators : en
  • AU375341A - Unwoven laminated sheets and method of making same : en
  • USD133289S - Design for a hand mirror or simdlar article : en
  • FR874393A - Improvement in circuits including thermionic lamps : en fr
  • US2292023A - Control system : en
  • US2291765A - Method of producing compound covering slabs : en
  • US2292296A - Locomotive headlight control system : en
  • US2292306A - Method of color-forming development : en
  • USD133331S - Design for a burial casket : en
  • AU224041A - Improvements relating tothe production of glass fibres : en
  • DE723443C - Egg cup with a cap that extends over the egg and a head knife that can be swiveled through a slot in the cap : de en
  • US2292312A - Stereoscopic film mount : en
  • US2291872A - Steam boiler and pressure control : en
  • US2292031A - Seal : en
  • US2292190A - Lamp socket : en
  • US2291868A - Bedspring construction : en
  • US2292165A - Ophthalmic mounting : en
  • AU115605B2 - Improvements relating to apparatus for electro-deposition : en
  • AU230241A - Improvement in pattern cutters for leather and like materials : en
  • DE723238C - Process for the production of water-insoluble azo dyes on the fiber : de en
  • US2292242A - Electric bulb and socket : en
  • CA406502A - Radio direction finding apparatus : en fr
  • US2291970A - Printing mechanism : en
  • US2291625A - Teaball or like article : en
  • USD133294S - Design for a badge ob sevhlar article : en
  • USD133337S - Design for a dress : en
  • CA406506A - Reclosing circuit breaker system : en fr
  • FR874364A - Arrangement of the radiator in bodies with reduced aerodynamic resistance : en fr
  • FR874402A - Improvements to dyes and photographic materials containing them : en fr
  • US2291905A - Pipe coating composition : en
  • FR874371A - Improvements to frames of cycles and light motorcycles : en fr
  • CA406538A - Refrigerator cabinet : en fr
  • FR874465A - Formaldehyde-based condensation products : en fr
  • FR874477A - Tube : en fr
  • US2291986A - Combustion apparatus : en
  • US2292024A - Sponge rubber adhesive unit : en
  • CA406596A - Cathode ray device : en fr
  • CA406616A - Yarn winding machine : en fr
  • US2292246A - Duct turn : en
  • DE723545C - A cooling system protruding from the aircraft body with a cooling air duct surrounding the cooler : de en
  • DE723693C - Commuter machine with division of the commutation into isolating and power switching : de en
  • US2292063A - Muting control : en
  • CA406462A - Bending die : en fr
  • US2291661A - Apparatus for dedusting and cleaning coal and the like : en
  • US2291992A - Crushing machinery : en
  • US2291976A - Automatic transfer sleeve : en
  • US2292120A - Baby incubator : en
  • US2292150A - Endless inflatable swimming belt : en
  • US2291610A - Engine and flight factor indicator : en
  • US2292013A - Wringer : en
  • FR874355A - Improvements made to sanitary siphons, especially those with two branches, co-axial or not, cylindrical of the same diameter, to facilitate and activate the circulation of liquids and materials in suspension therein : en fr
  • GB546903A - Improvements in or relating to sealed bearings : en
  • GB546961A - Improvements in or relating to electric arc welding : en
  • AU438542A - Improvements in or relating to iodine compounds and methods for producing thesame : en
  • DE723515C - Pupinized cable system intended for repeated assembly and dismantling : de en
  • USD133267S - Design for an electrical contact element : en
  • US2291663A - Ophthalmic lens : en
  • US2291669A - Method of strip mining : en
  • US2292054A - Triple-acting press : en
  • US2292177A - Electric switch : en
  • GB546957A - Improvements relating to balls or cops of binder twine : en
  • DE723669C - Machine gun mounted in the mount, movable backwards, with advance firing : de en
  • DE723420C - Rotary bodies exposed to wear on the profile surface, in particular rail wheel with wear-resistant, replaceable support : de en
  • US2291645A - Method of packaging articles : en
  • US2291865A - Process for the production of metal alloys : en
  • US2291880A - Single-acting hydraulic pump : en
  • US2292015A - Refrigerating apparatus : en
  • DE723353C - Actuating device for magnetic electric hand lamps : de en
  • DE723482C - Centrifugal casting machine : de en
  • DE723493C - Cooker with circulation device for the cooker material : de en
  • US2291985A - Finned tube and method of producing the same : en
  • US2291901A - Package suspender crossover unit : en
  • DE723637C - Socket with concentric contact parts : de en
  • FR874298A - Synchronized switch performing switching operations which follow one another quickly without interruptions or stepping over : en fr
  • FR874495A - Device for removing thorns from cut roses : en fr
  • US2291712A - Building block : en
  • US2291814A - Pipe setting tool : en
  • US2292334A - Aldehyde-acetoacetanilide condensation product : en
  • US2291804A - Alkylation of phenols : en
  • US2292035A - Electric connection for reproducing sound records : en
  • US2292170A - Awning bracket : en
  • DE723232C - Overlay receiver using a multi-grid mixer tube : de en
  • GB546921A - Improvements relating to telephone systems : en
  • DE723446C - Moisture-proof frame for grave parts : de en
  • US2291659A - Tire bead reinforcement : en
  • US2291737A - Range construction : en
  • US2291862A - Removal of bonded rubber : en
  • US2292277A - Locomotive headlight control system : en
  • US2292124A - Rope structure : en
  • US2292295A - Method of filling and sealing receptacles : en
  • USD133260S - Design for a shoe : en
  • USRE22150E - Cathode bat oscilloscope : en
  • US2292106A - Method of and mechanism for adjusting the size of the opening in shoe uppers : en
  • US2292157A - Method of making bags for sound records : en
  • US2292339A - Liquid fuel burner : en
  • USD133342S - Design for a textile fabric : en
  • US2291742A - Hole plug for oil and gas wells : en
  • US2292240A - Produce washer : en
  • FR874346A - Arrangement of the air cooling of automobile engines with horizontal opposed cylinders with an axial blower : en fr
  • US2291717A - Pocket motion picture device : en
  • US2292320A - Holding clip for relays, fuses, etc. : en
  • FR874439A - Device for the rescue of persons in a submarine while diving : en fr
  • US2292073A - Modulation of magnetron oscillator : en
  • FR874263A - Resistance in artificial composition, preferably for overvoltage applications : en fr
  • CA406459A - Wheel cover member : en fr
  • CA406582A - Container for pulverulent materials : en fr
  • DE723349C - Fluid switch with a differential pump piston built into a discharge chamber : de en
  • FR874442A - Titanium tetrachloride decoloration process : en fr
  • DE723362C - Thread guides for knitting machines : de en
  • US2291757A - Skiving machine : en
  • US2291902A - Gas anchor : en
  • FR874333A - Improved radiator layout in vehicles with rear engine : en fr
  • US2291944A - Electrical control : en
  • US2291962A - Means for sighting guns : en
  • GB546951A - An improved means for gripping, in a releasable manner, a sheet by its edge : en
  • US2292117A - Method of soldering : en
  • FR874303A - Tipping device for household refuse bins, moved by a pressurized agent : en fr
  • US2291801A - Rock drill : en
  • CA406454A - Floor furnace : en fr
  • US2292095A - Electric circuit breaker : en
  • DE723557C - Puppet theater : de en
  • US2292099A - Facsimile system : en
  • US2291630A - Method and means for use in positioning shoes : en
  • US2291658A - Strip trimmer : en
  • US2291956A - Electrically bonded rail joint : en
  • US2292191A - Ferromagnetic material : en
  • US2291981A - Spoon : en
  • US2292301A - Window frame : en
  • USD133277S - Design for a shoe : en
  • FR874261A - Process for waterproofing artificial flowers and the like for their preservation : en fr
  • US2291672A - Butter former : en
  • US2291884A - Draft regulating device : en
  • US2291843A - Coating composition containing ester gum : en
  • US2292327A - Gyrating mechanism : en
  • US2291707A - Bias cutting machine : en
  • DE723431C - Single armature converter with voltage regulation by turning the commutation zone in relation to the magnetically neutral zone : de en
  • FR874416A - Enhancements to charger-operated cinematographic cameras : en fr
  • USD133262S - Design for a bowl : en
  • CA406530A - Tube splicing apparatus : en fr
  • DE723321C - Hand mold for the production of pressed bodies : de en
  • US2292197A - Steam trap : en
  • CA406444A - Copyholder : en fr
  • DE723475C - Contact body for carrying out catalytic reactions : de en
  • USD133335S - Design for a dress : en
  • USD133340S - Design for a dkess : en
  • US2292220A - Lamp tubing conveyer : en
  • GB546970A - Improvements in or relating to radio systems for landing aircraft : en
  • FR874373A - Equipment for continuous and methodical distribution : en fr
  • FR874286A - Advanced electric stove : en fr
  • GB546934A - Manufacture of material for improvement of the water spreading properties of mosquito larvaecides : en