• DE579054C - Tie device for cows : de en
  • DE579356C - Circuit arrangement for displaying the highest bid in auctions by progressively picking up an increasing number of digits and for displaying the highest bidder : de en
  • US1914943A - Needle bar guide for sewing machines : en
  • DE579197C - Tensioning and protection device for tennis rackets : de en
  • DE579220C - Edge protection for plates, boards, especially for the covers of letter folders and the like. like : de en
  • GB394266A - Hand shoe-stitching machine : en
  • FR747587A - Guide device for die shanks of composing machines : en fr
  • DE579317C - Device for the recovery of the heat losses from electrical machines, transformers or the like : de en
  • FR42262E - Oil scraper ring for explosion or combustion engines : en fr
  • GB394049A - Improvements in and relating to the production of artificial fibres, horse-hair and the like : en
  • US1914520A - Cement road padding : en
  • US1915219A - Apparatus for use in oil and like wells : en
  • DE579244C - Air gas generator with a turbine driven by an electric motor : de en
  • FR747820A - Automatic lifting device for motor vehicle : en fr
  • FR747843A - Device for cleaning spark plugs : en fr
  • DE579130C - Centrifugal dust collector : de en
  • FR747611A - Improvements to aircraft landing gear : en fr
  • GB393991A - Improvements in and relating to transformer power regulation : en
  • DE579007C - Potato harvester with rotating tine drum : de en
  • DE579027C - Inclined tube boiler : de en
  • US1915078A - Combined clock-bezel and mat : en
  • US1915135A - Meat cutting machine : en
  • US1915218A - Diesel engine : en
  • GB394654A - Improvements relating to the use of peat in plant cultivation : en
  • FR747593A - Improvements made to the means for ensuring the cooling of piston machines or the like, such as in particular, internal combustion engines and compressors : en fr
  • DE579105C - Easily detachable quick connection for components lying next to one another, especially for connecting conveyor slide sections : de en
  • FR747803A - Steel bridge rail : en fr
  • GB394055A - Improvements relating to the construction of shop fronts, show cases and like structures or frames : en
  • FR747826A - : fr
  • DE572542C - Abutment of textile wound bodies during wet treatment : de en
  • DE579129C - Press for shaping the bottom of hollow bodies open on one side, in particular cartridge shells : de en
  • US1914733A - Agricultural device : en
  • GB393985A - Improvements in the treatment of acyl, alkyl, or aralkyl cellulose derivatives : en
  • GB394210A - Improvements in and relating to automatic multi spindle turret lathes : en
  • DE579154C - Point setting device controlled by the vehicle with the help of the drive switch : de en
  • FR747838A - Folding trestle : en fr
  • GB394289A - Improvements in and relating to the manufacture of forcetransmitting constructional parts for aircraft more particularly for aeroplanes : en
  • DE579192C - Device for slicing, in particular canned food : de en
  • FR747752A - Motor vehicle headlights control switch : en fr
  • GB394052A - Improvements in clips for the attachment of mudguard stays to cycle frames : en
  • GB394116A - Glass foot for thermionic valves and the like and process for making the same : en
  • US1914401A - Calculating machine : en
  • US1914697A - Article of woodwork manufacture and method of preparing and packaging the same : en
  • US1915131A - Electric iron : en
  • US1915245A - Fastening means for bit brace chucks : en
  • DE579050C - Electric display device for flow meter : de en
  • DE524523C - Regulator for power machines with pumping station : de en
  • FR747570A - Valve lifter : en fr
  • GB394238A - Improvements relating to sound recording : en
  • DE579127C - Beet lifter with share knives that act on one side of the beetroot : de en
  • FR747613A - Automotive illuminated advertising system : en fr
  • DE579335C - Airship hangar : de en
  • FR747560A - Improvements made to the construction of large reinforced concrete awning sheds : en fr
  • GB393989A - Improvements in or relating to cash registers and similar accounting machines : en
  • DE579146C - Process for the dehydrogenation of hydrogenated heterocyclic compounds : de en
  • FR747574A - Process for improving the texture and for avoiding surface defects in places subjected in service to high stresses of steel articles : en fr
  • DE579193C - Device for skinning animals : de en
  • FR747616A - Advanced support for machine guns, and other gear or devices : en fr
  • GB394073A - Improvements in the manufacture and production of lubricating oils from fats or fatty oils : en
  • US1915206A - Converting petroleum oils : en
  • US1915226A - Radiator : en
  • AU832232A - Improvements in or relating to ceiling, walland partition constructions : en
  • CA333389A - Deion circuit breaker : en fr
  • US1914441A - Azodyestuffs insoluble in water and fiber dyed therewith : en
  • FR42293E - Rescue installation, specially designed to find and refloat damaged boats, planes or seaplanes : en fr
  • DE579267C - Internal combustion engine with air cooling : de en
  • GB394271A - Improvements in ship and pier fenders : en
  • DE578959C - Direct current furnace with several burner cells lying next to one another : de en
  • DE579122C - Stray transformer according to the jacket type, in particular to protect against interference from high frequency generators : de en
  • DE579174C - Spring balance with adjustment device : de en
  • FR747685A - Control device for hot-arc devices in vacuum : en fr
  • FR747833A - : fr
  • FR747894A - Fire extinguisher pistol : en fr
  • CA333414A - Multicolor rubber product : en fr
  • USD90168S - A corpo : en
  • GB394180A - Improvements in and relating to manifolding forms : en
  • FR747565A - Improvements to microtelephones or handsets : en fr
  • GB394352A - Improvements in or relating to the manufacture of pile fabrics : en
  • US1914642A - Method and apparatus for treating steel sheets : en
  • US1915148A - Antifreeze noncorrosive solution : en
  • DE578902C - Support roller arrangement for caterpillar vehicles : de en
  • GB394021A - Improvements in or relating to electric signalling apparatus for use in conjunction with an automatic telephone system : en
  • DE568720C - A fluid change-speed gearbox serving as a clutch, which consists of several cylinders arranged in a star shape and whose speed control is only brought about by adjusting the eccentricity of the crank pin : de en
  • US1914380A - Casing head : en
  • US1915259A - Magnetic separator : en
  • DE578969C - Device for determining the parameter of a material, e.g. B. the weight per unit area of tape or sheet material : de en
  • GB394057A - Improved apparatus for sifting potters' slip and for analogous purposes : en
  • FR747837A - : fr
  • US1914646A - Metallic furniture : en
  • US1915113A - Machine and method for making wound articles : en
  • GB394063A - Improvements in and relating to a.c. voltage regulators : en
  • GB394074A - Improvements in adjustable supports for growing plants : en
  • DE579111C - Process for fermenting carbohydrate-containing molasses liquor and other alkaline sugar solutions : de en
  • FR42276E - Manometric device for continuous and simultaneous measurement and recording of pressure changes, average pressure and volume changes of arteries : en fr
  • FR747586A - : fr
  • GB394226A - Improvements in and relating to tents and to tent-rigging : en
  • GB394270A - Improvements in and relating to dry bell gas-holders : en
  • FR747695A - Tempering process for protective glass for motor cars and others : en fr
  • GB393995A - Improvements relating to apparatus for dry cleaning : en
  • IE12973L - Electric discharge tubes : en
  • CA333490A - Rear vision reflector tube : en fr
  • FR747680A - Socket bow with charcoal and metal rubbing surfaces : en fr
  • GB394016A - Improvements in or relating to the manufacture or treatment of filaments, films, andthe like from cellulose derivatives : en
  • US1914889A - Escape apparatus : en
  • US1914959A - Electric conductor wire : en
  • US1915106A - Apparatus for finishing carpets : en
  • CA333349A - Food breaker : en fr
  • AU1250861A - Aryl and cycloalkyl substituted dibensothiophenes and dibenzofurans : en
  • CA333364A - Centrifugal separator : en fr
  • DE578799C - Method for clamping rotating winding parts of electrical machines : de en
  • DE578926C - Radiation exit window for X-ray tubes : de en
  • DE578951C - Compressed air drive for switch : de en
  • DE579086C - Signal device placed on a float : de en
  • US1914513A - Paper fastener : en
  • US1914600A - Flexible gasket : en
  • USD90146S - Arthur a : en
  • FR747569A - Safety lock padlock : en fr
  • GB394295A - Hollow bodies for illuminating purposes : en
  • DE579135C - Device for engaging and disengaging a spinning preparation machine : de en
  • DE579372C - Processing of technical solutions from ammonium fluoride to solid ammonium fluoride and fluorides of trivalent metals : de en
  • FR42291E - Improvements in the manufacture or processing of artificial silk and other artificial products : en fr
  • FR747614A - : fr
  • US1915004A - Method and apparatus for eliminating hard spots in castings : en
  • US1914543A - Pouring carton : en
  • US1914754A - Variable pitch propeller : en
  • DE579162C - Sheet metal bodies for machines, especially supporting bodies for the active iron of runners of electrical machines : de en
  • FR747768A - : fr
  • DE579005C - Method and device for spinning copper silk : de en
  • US1914467A - Overhead trolley and supporting rails therefor : en
  • US1914855A - Belt hook press : en
  • DE579052C - Device for measuring the current speed of moving bodies, in particular pneumatic tube bushes at any point on the tube : de en
  • GB394335A - Improvements in and relating to photo-composing methods : en
  • CA333484A - Golf club grip : en fr
  • AU763332A - Improvements in regenerative radio and similar high frequency receivers : en
  • US1915150A - Printing press : en
  • DE579065C - Process for the electrodeposition of chromium : de en
  • DE579227C - Process for the preparation of 6-methoxy-7-benzyloxy-1-methylisoquinoline : de en
  • GB394056A - Improvements in or relating to torpedos : en
  • DE579019C - Safety device for sheet metal leveling and relaxation machines : de en
  • DE579148C - Piston compressor with electric motor drive : de en
  • US1915025A - Grave vault : en
  • DE579276C - Conveyor device for circulation pumps : de en
  • FR42253E - Improvements to progressively adjustable electric discharge rectifiers and converters : en fr
  • FR747623A - Bolt with self-locking nut : en fr
  • GB394080A - Improvements in indicating devices for use on brake testers for cars and for road vehicles : en
  • FR747704A - Improvements to bricks : en fr
  • GB394359A - Manufacture of partially acetylated cellulose : en
  • DE579184C - Moisture indicator for insulation : de en
  • GB394348A - Improvements in and relating to devices for removing creases from neck-ties and the like and for storing and preserving them : en
  • US1914489A - Colored soluble cellulose and process for making same : en
  • US1914862A - Pneumatic separating device : en
  • CA333466A - Last-pulling machine : en fr
  • US1914588A - Magnesium base alloys : en
  • DE579172C - Holding device for the boom of a crane : de en
  • US1914614A - Method of opening packs of sheet steel : en
  • US1914703A - Apparatus for reclaiming cleaning fluids : en
  • DE579102C - Slate shears with a curved knife : de en
  • FR747715A - Slope indicator for vehicles : en fr
  • FR747842A - Coupling device for railway vehicles with a non-automatic screw coupling and an automatic coupling with central buffer : en fr
  • CA333378A - Discharge tube circuit arrangement : en fr
  • GB394227A - Improvements in high speed air and gas compressors : en
  • GB394291A - Improvements in flash-light apparatus : en
  • US1914539A - Manufacture of pigments : en
  • US1914623A - Electropneumatic brake : en
  • US1914957A - Process for the manufacture of condensation products from urea and formaldehyde : en
  • US1914945A - Coloration of materials : en
  • US1915002A - Process of obtaining fatty acids in anhydrous state from aqueous solutions : en
  • USD90162S - Design for a medal or medallion : en
  • US1914749A - Weft feeler and stop motion device for weaving looms : en
  • US1915073A - Vacuum cleaner : en
  • US1915207A - Self-adjusting equalizer for brakes : en
  • DE579025C - Device for mixing liquids or gases : de en
  • AU731532A - Improvements in vapourizers for motor engines : en
  • US1914632A - Packing ring and method of making : en
  • DE579151C - Rail fastening on base plates by means of claws that engage in the plate and cross the rail foot : de en
  • FR747615A - Improvements to compression refrigeration systems for the production of low temperatures : en fr
  • FR747891A - Improvement in furnaces for heat treatment of sheet metal : en fr
  • GB394250A - Method of producing marbled glass surfaces : en
  • FR747672A - Device for inserting coins into vending machines and ensuring their operation by coupling : en fr
  • GB394294A - Improvements in or relating to rudders and rudder posts : en
  • CA333380A - Fuse box : en fr
  • US1914608A - Train control device : en
  • FR747575A - : fr
  • DE579058C - Piston with ball joint for connection to the connecting rod : de en
  • DE579392C - Process for the preparation of a condensation product from an amine and a phenol : de en
  • CA333351A - Measuring and puncturing tool : en fr
  • CA333463A - Sewing machine : en fr
  • US1914524A - Typewriter : en
  • US1915111A - Duilding block and wall construction : en
  • US1914571A - Louver construction : en
  • US1914626A - Multicolor weft replenishing loom : en
  • US1914882A - Artificial limb : en
  • DE579316C - Cooling device based on thermosiphon effect for encapsulated three-phase motors with two-layer winding : de en
  • AU910632A - Improvements in or relating to the manufacture of soap for use in dry cleaning : en
  • DE579331C - Mesh covering of spring mattresses : de en
  • US1914805A - Safety device for gas burners : en
  • US1915223A - Sanitary device for milk bottles or the like : en
  • DE575597C - Process for the production of aluminum formate in water-soluble crystallized form : de en
  • GB394004A - Improvements in or relating to the recovery of hydrocyanic acid from complex cyanides and waste liquors : en
  • GB394354A - Improvements in pipe couplings : en
  • DE579041C - Powder container : de en
  • FR747743A - Advanced switch : en fr
  • DE578901C - Device for noiseless switching of gear change gears : de en
  • GB394130A - Improvements in lift systems : en
  • AU756732A - Devices for attaching rails toa concrete sleeper : en
  • US1914802A - Tool handle securing means : en
  • US1915125A - Electric light : en
  • US1915021A - Loading machine : en
  • AU968432A - Improvements in and relating to depilatory and compounding the same : en
  • CA333418A - Shoe manufacture : en fr
  • CA333432A - Artificial leather : en fr
  • DE579307C - Manufacture of sols from metals and metal compounds : de en
  • GB394098A - Strap joint forming tools : en
  • AU719132A - Improvements in and relating to sanitary pans : en
  • DK47453C - Feed mechanism for sewing machines. : da en
  • FR42271E - Concrete work piece for laying cables : en fr
  • FR747757A - Improvements made to advertising balloons and fancy balloons in dilated rubber : en fr
  • GB394179A - Improvements in devices for automatically controlling fire doors and the like : en
  • US1914831A - Electric keyboard musical instrument : en
  • CA333421A - Cut-off switch : en fr
  • FR747711A - New tamping for moving parts of machines : en fr
  • FR747858A - Transport container for use in oblique shafts and other inclined galleries : en fr
  • CA333498A - Hydraulic brake : en fr
  • GB394041A - A mechanical contrivance for teaching languages and translating from one language toanother : en
  • US1914410A - Basket fastening means : en
  • US1914589A - Magnesium base alloys : en
  • US1914757A - Desk cabinet : en
  • FR42278E - Improvements to gas regulators : en fr
  • FR42280E - Guiding device for body treatment : en fr
  • US1915179A - Stop signal : en
  • AU763832A - An improved bean stringer and slicer : en
  • GB394087A - Process for the production of substitution products of acid nitriles : en
  • US1915187A - Fruit press : en
  • DE579084C - Block that can be hung in a rope : de en
  • FR747619A - Utility object in one piece, with two distinct uses, for clothing and body hygiene : en fr
  • USD90166S - A corpo : en
  • DE566265C - Device for the recording of three-dimensional cinematographic films : de en
  • US1914391A - Telephone system : en
  • CA333366A - Cinematograph film reinforcing apparatus : en fr
  • CA333433A - Interlocking shingle : en fr
  • USRE18872E - Process of making abrasive disks : en
  • USD90171S - thompson : en
  • CA333329A - Animal trap : en fr
  • DE579278C - Motorcycle front fork : de en
  • DE579160C - Small electric motor with triple T armature : de en
  • GB394655A - Improvements relating to boxes and like containers : en
  • GB394674A - Improvements in or relating to the hydration of olefines : en
  • US1914865A - Method and device for automatically reducing speed : en
  • US1915236A - Illuminated display device : en
  • AU758832A - Improvements in or relating to switches such asare used in automatic telephone systems : en
  • DE578981C - Lockstitch sewing machine with a device for folding fabric edges : de en
  • DK47450C - Device for inserting rubber thread by circular knitting machines with two needle cylinders arranged one above the other. : da en
  • US1915037A - suter : en
  • US1915250A - Collar fastener : en
  • CA333358A - Railway dump car : en fr
  • GB394088A - Improvements in stockings : en
  • GB394246A - Improvements in or relating to wearing-apparel : en
  • US1914676A - Temermostatic switch : en
  • US1915069A - Synchronous induction motor : en
  • GB394099A - Method of producing pictures in natural colours by means of multi-coloured taking and printing screens : en
  • US1915143A - Platform elevating mechanism : en
  • US1914651A - Pin type contact member : en
  • US1914362A - Coin counting machine : en
  • FR747687A - Letter paper folder : en fr
  • GB394035A - Improvements in or connected with means for disinfecting mouthpieces of telephones, speaking tubes and the like : en
  • US1914598A - Drip catcher for retailing and dispensing vessels : en
  • US1914659A - Needle : en
  • US1915065A - Creep resistant noncorrosive steel : en
  • CA333501A - Furniture cover : en fr
  • FR747812A - Reinforced plaster ceiling : en fr
  • GB394039A - Improvements in compression refrigerating systems for solidifying gases : en
  • DE578497C - Starter switchgear with switching device : de en
  • GB394115A - Improvements in or relating to sintered magnesia and refractory materials containing sintered magnesia : en
  • US1915182A - Fire extinguisher : en
  • US1914763A - Propeller mounting for aeroplanes and the like : en
  • US1914830A - Hose jumper : en
  • US1914851A - Hose shut-off and clamp : en
  • US1915019A - Gaseous electric discharge device : en
  • US1915262A - Motion picture and sound record bearing film and method of producing same : en
  • US1914371A - Tool rack : en
  • US1914944A - Receptacle cap plug : en
  • US1914692A - Power shovel, crane, dragline, and the like : en
  • US1914917A - Yarn carrier or tube-frame : en
  • DE578975C - Ribbed plate : de en
  • DE579232C - Machine, especially with an operating speed above the critical speed : de en
  • AU763432A - Improvements in or relating to fluid tight closures suitable for use in connexion with vibration transmitting or receiving apparatus : en
  • CA333386A - Thermionic amplifier : en fr
  • FR747552A - Improvements to eyepiece prism systems used in range finders or other optical instruments based on the principle of coincidence : en fr
  • AU754032A - An improved convertible chair : en
  • CA333417A - Temperature exchanger defrosting process : en fr
  • CA333330A - Relief map : en fr
  • FR747730A - Improvements to revolving stamping machines : en fr
  • US1914499A - Internal combustion engine : en
  • US1914991A - Ash disposal system : en
  • DE578905C - Seat frame made of tube, especially for motor vehicles : de en
  • FR747572A - Apparatus for preparing hot water for infusions or other uses : en fr
  • FR747828A - : fr
  • GB394652A - Locking devices for motor vehicles : en
  • DE579076C - Film reel : de en
  • US1914463A - Stocking protector : en
  • US1914411A - Gear cutter : en
  • US1914612A - Aerial tow advertiser : en
  • DE578886C - Distributor for fertilizer spreaders arranged under the spreading openings : de en
  • DE579059C - Pulling and pushing means with guide sleeve : de en
  • AU673332A - Improvements in rubber tyre retreading : en
  • DE578974C - Tool fastening on milling machines : de en
  • DE578921C - Arrangement for high frequency receivers : de en
  • DE578932C - Device for printing and issuing cards to cash registers or accounting machines : de en
  • GB394019A - Improvements in or relating to the treatment of wood, fibre board, wood-pulp, wood-fibre and the like : en
  • GB394263A - Improvements relating to rotary pumps : en
  • GB394128A - Improvements in and relating to folding boxes and cases : en
  • DE579053C - Cattle tying device : de en
  • FR747698A - Electrical conductor : en fr
  • GB394148A - Gear device for transmitting rotary motion : en
  • US1914953A - Manufacturing and refining mineral oils : en
  • US1915022A - Apparatus for casting metal : en
  • GB394199A - Improvements in electric lines : en
  • GB394288A - Improvements in and relating to charging appliances for pneumatic conveying plants : en
  • GB394259A - Improvements in engraving machines : en
  • DE579223C - Equipment on ovens for glowing powdery material : de en
  • DK47461C - Folder directory. : da en
  • DE578990C - Keyhole lock : de en
  • FR747699A - Automatically tightened railway track superstructure : en fr
  • FR747625A - Mercury vapor rectifier : en fr
  • FR42252E - Convertible front seat for motor vehicles : en fr
  • FR747881A - Improvements to flat knitting machines : en fr
  • US1914572A - Electric cable coupling for railway vehicles : en
  • US1914689A - Extrusion press : en
  • US1914969A - Pulverulent herbicide and dusting method : en
  • GB394273A - Improvements in and relating to chains : en
  • US1914354A - Electric induction furnace : en
  • DE579274C - Photographic enlarger : de en
  • FR747789A - Process for making silver objects and especially watch cases insulphurable : en fr
  • US1914900A - System of chassis lubrication : en
  • US1914356A - Cut-off for can filling machines : en
  • USD90160S - Design fob a btjbneb : en
  • FR747832A - Headlight for vehicles and in particular for automobiles : en fr
  • GB394233A - Improvements relating to the tube walls of steam boilers and the like : en
  • DE576357C - Regulator for power machines according to patent 522119 with flow rate slide and pressure slide : de en
  • DE579128C - Press die to restore the bar provided on clamping plates for the railway superstructure on both sides of the journal : de en
  • FR747777A - Process for obtaining, with artificial plastics based on synthetic resins, objects endowed with a certain elasticity : en fr
  • FR747813A - Improvements to components constituting valve seats or flaps : en fr
  • GB394373A - Process and apparatus for producing bleaching powder : en
  • DE579243C - Bimetal snap disk for temperature controller : de en
  • GB394126A - Improvements in or relating to the treatment of yarns or threads : en
  • GB394162A - A method of impregnation for preserving wood : en
  • US1914407A - Signaling system : en
  • US1914421A - Reflecting device : en
  • US1914737A - Valve : en
  • US1914392A - Means for making laminated glass : en
  • CA333383A - Photo-cell : en fr
  • US1914569A - Die set : en
  • US1914731A - Spring tooth for harrows : en
  • US1914504A - Mining machine : en
  • FR42273E - Machine automatically performing, after filling, capping with or without capping of the bottles : en fr
  • FR747655A - Improvement in methods and devices for recording sounds : en fr
  • GB394330A - Improvements in seat or chair : en
  • GB394121A - Improvements in and relating to circuits for light sensitive devices : en
  • GB394656A - Improvements in or relating to flow-evener rolls for paper-making machines : en
  • DE578952C - Contact piece for oil or compressed air switch : de en
  • DE579117C - Security inks : de en
  • DE579383C - Device for drying and making photographic images glossy : de en
  • US1914706A - Furniture brace : en
  • FR747589A - Mechanical pencil : en fr
  • US1914367A - Zinc base alloy : en
  • US1915140A - Loose leaf binder : en
  • AU967932A - Lubricator for axle or shaft bearings : en
  • FR747543A - Improvements to internal combustion engines : en fr
  • GB394670A - Improvements relating to boxes and like containers : en
  • FR747786A - Portable chilled drink dispenser : en fr
  • DE579212C - Frame for a pipe and rod bending machine : de en
  • CA333338A - Preserving method : en fr
  • FR42257E - Automatic brake hinge for doors, windows and other applications : en fr
  • DE579028C - Slide brake for the collecting slide of a die setting and line casting machine : de en
  • GB394025A - Improvements in or relating to electrical thermometers : en
  • US1914845A - Method of reenforcing corrugated cardboard : en
  • US1914970A - Portable electric illuminating device : en
  • CA333489A - Photographic film-roll : en fr
  • DE579230C - Process for the preparation of a fluoranthene-o-oxycarboxylic acid : de en
  • FR747626A - Brakes improvements : en fr
  • FR747869A - Improvements to piston rings : en fr
  • DE579355C - Firing machine : de en
  • USD90147S - Ernest t : en
  • CA333442A - Fibrous composition : en fr
  • US1914708A - Conveyer unloading device : en
  • US1914909A - Electric regulator : en
  • US1914934A - Quenching device : en
  • CA333427A - Valve : en fr
  • US1914561A - Cam grinding apparatus : en
  • CA333336A - Gas mixture liquefaction : en fr
  • AU746332A - Improvements in means forthe treatment of nightsoil andother refuse : en
  • CA333371A - Hydrocarbon oil extraction : en fr
  • CA333460A - Matrix-setting and type-line casting-machine : en fr
  • US1914776A - Fluid pressure regulator : en
  • US1914644A - Pump and strainer : en
  • DE579330C - Process for making chewing gum : de en
  • US1915244A - Detachable blade surgical knife : en
  • US1914549A - Oh conh : en
  • US1914787A - Internal combustion engine : en
  • DE579132C - Device for generating illuminated areas with graduated brightness : de en
  • CA333361A - Engine valve : en fr
  • US1914738A - Can opener : en
  • FR747744A - Storage box devices for the classification of phonograph records : en fr
  • CA333448A - Fastener : en fr
  • US1915013A - Automatic feed water control : en
  • US1915132A - Heating furnace : en
  • CA333355A - Pipe line valve : en fr
  • DE579288C - Stripping device for roller devices B. filter drums etc. : de en
  • US1914968A - Loose leaf binder : en
  • US1914570A - Multiplex radio communication : en
  • GB394077A - Improvements in or relating to the production of aqueous dispersions of rubber or the like materials : en
  • GB394378A - Improvements relating to alloys containing nickel and to methods of producing them : en
  • US1914427A - Orange to reddise orange water insoluble azo dyestuffs : en
  • US1914899A - Work clamp : en
  • US1915138A - unger : en
  • US1915180A - Bench leg : en
  • CA333429A - Telephone system : en fr
  • US1914633A - Belt tightening apparatus for fruit sizing machines : en
  • US1914713A - Vibrator : en
  • US1914747A - Electric current rectifying system : en
  • US1915225A - Saw-swage : en
  • US1914863A - Radiator shutter : en
  • DE579178C - Roller speaking machine : de en
  • FR747720A - Lipstick tube : en fr
  • GB394027A - Improvements in or relating to the manufacture of aromatic amines and coloured pigments : en
  • US1914929A - Electrical apparatus : en
  • US1914450A - Dyestuff of the anthraquinone series : en
  • US1914769A - Auto jack : en
  • CA333365A - Applicator package : en fr
  • CA333409A - Refrigerating machine : en fr
  • US1914430A - Rock drill mounting : en
  • CA333494A - Cellulose derivative purification : en fr
  • US1914590A - Lock washer : en
  • US1914920A - Power shovel : en
  • US1914528A - Cutting fork : en
  • US1915157A - Car-wheel : en
  • AU877432A - Improvement in means for preparing control sheets for linotype machines andthe like : en
  • AU749432A - Improvements in fabric tensioning devices for use in knitting machines : en
  • AU757132A - An improved device for attaching hose connections andthe like to water taps : en
  • DE579373C - Asynchronous machine, especially for high frequency : de en
  • GB394123A - Improvements in or relating to money-changing, change-giving, and wage-paying tills : en
  • US1914696A - Loch nut : en
  • DE578962C - Heater : de en
  • AU1065732A - Improvements in the manufacture of chocolate : en
  • AU804732A - Improvements relating to ring type conveyors : en
  • US1914852A - Material treating and handling apparatus : en
  • US1914918A - Machine drive : en
  • CA333454A - Printing telegraph : en fr
  • US1914784A - Seed threshing machine : en
  • US1914653A - Telephone system : en
  • US1914691A - Surgical splint : en
  • US1914914A - Method for vapor phase cracking of oil : en
  • US1915044A - Warming bag : en
  • US1914911A - Toilet paper holder : en
  • US1915100A - Flexible conduit : en
  • DE579087C - Sea mine with control of the individual processes by electrical currents : de en
  • US1914910A - Lower sash roll screen : en
  • DE578836C - Laundry rammer : de en
  • FR747737A - Special torpedo cone : en fr
  • GB394084A - The manufacture of unsaturated substituted tertiary acetamides having a strong hypnotic action : en
  • GB394194A - Improvements in or relating to cross-slide tables for metal cutting machine tools : en
  • CA333461A - Matrix-setting and type-line casting machine : en fr
  • AU778532A - Improvements in or relating to electrical oscillation generators : en
  • CA333478A - Sound reproducing system : en fr
  • CA333331A - Helicopter : en fr
  • US1915059A - Electric switch apparatus : en
  • CA333367A - Reinforced cinematograph film : en fr
  • DE579125C - Process for the production of stable, aqueous, highly concentrated dispersions of substances that are insoluble or only slightly soluble in water : de en
  • DE579279C - Paddle boat seat : de en
  • FR747542A - Prepayment order transmitters : en fr
  • CA333348A - Frozen confection package : en fr
  • CA333385A - Relay : en fr
  • US1914496A - Testing device for internal combustion engines : en
  • DE578993C - Chamber furnace : de en
  • US1915160A - Boat construction : en
  • AU749532A - Improvements in or relating to knitting machines : en
  • FR747664A - Hygienic bottle teat : en fr
  • DE578985C - Control device for fluid gears of motor vehicles : de en
  • US1914927A - Liquid dispensing apparatus : en
  • US1915174A - Process for the separation of the optically active isomers of lobelia alkaloids, their derivatives, and allied compounds : en
  • US1915254A - Bung seal for barrels : en
  • DE578983C - Lifting and pressing device for the drive roller of a drying drum for photocopies u. like : de en
  • DE579158C - Oil switch with extinguishing chamber : de en
  • US1915190A - Massage beater : en
  • US1914522A - Solvents for cellulose materials : en
  • AU1001532A - Improvements relating to fluid compositions for fluid pressure systems : en
  • DE579015C - Roll or segment protection : de en
  • US1914940A - Cooling of spark plugs and the like : en
  • CA333353A - Direction indicator : en fr
  • DE579070C - Pipe or compound mill : de en
  • GB394282A - A new or improved apparatus for supplying molten glass to machines for making glassware : en
  • US1914661A - Mattress : en
  • US1915221A - Apparatus for laminating materials : en
  • USRE18876E - Christian wilhelm paul heylandt : en
  • US1914558A - Catalyst and process of preparing the same : en
  • US1914938A - Toy : en
  • US1915014A - Locking device : en
  • DE579106C - Device for the automatic adjustment of the layer boundary of two liquids of different specific gravity in a centrifugal drum : de en
  • DE579329C - Process for the manufacture of chewing gum with multiple additives : de en
  • FR747712A - : fr
  • CA333468A - Pattern copying machine : en fr
  • DE578916C - Process for printing wool with substantive or acid dyes : de en
  • DE579264C - Installation on fuel pumps : de en
  • US1914701A - Machine for producing bars of butter or like materials : en
  • CA333403A - Cushion seat : en fr
  • AU623432A - Improvements in carrying out catalytic reactions : en
  • US1914369A - Machine for opening, filling, and closing bags : en
  • US1915052A - Elastic fluid power plant : en
  • US1915242A - Method for treating nuts : en
  • US1914536A - Discharge dyeing : en
  • US1915099A - Automatic power-control mechanism for automobiles : en
  • US1914399A - Flooring for vehicles : en
  • FR747523A - Device for automatic mixing of oxygen and carbonic acid : en fr
  • GB394333A - Improvements in and relating to the delustering of fibres or fabrics consisting of or containing cellulose acetate : en
  • AU746432A - Improvements in or relating to methods of and means for operating upon margins of boot or shoe soles : en
  • US1914962A - Pile fabric and method of making the same : en
  • US1915159A - Supporting means for car doors : en
  • CA333376A - Catalytic gas reaction : en fr
  • DE579043C - Device on storage containers for mustard, purée, porridge or the like. : de en
  • FR747520A - Purely continuous wire or yard train drive mode : en fr
  • FR747809A - : fr
  • CA333462A - Thread controller for sewing machines : en fr
  • US1914995A - Grinding machine : en
  • US1915208A - Fishing device : en
  • FR747580A - Device for the preliminary purification of water sent to sewers or other evacuation pipes : en fr
  • DE579241C - Mercury vapor rectifier : de en
  • CA333458A - Hydrocarbon oil processing : en fr
  • DE579101C - Cotton filter for cigarettes : de en
  • GB394147A - Improvements in controlling means for double-acting reciprocating engines without flywheel : en
  • US1914922A - Boiler : en
  • US1914581A - Reenforced bearing brass : en
  • USPP69P - Carnation : en
  • US1914656A - Barrel supporting and handling device : en
  • US1915047A - Method of electric welding : en
  • AT133952B - Change gears for vehicles driven by engines. : de en
  • DE578840C - Crystallizer : de en
  • DE579303C - Process for derusting fabrics while preserving the tensile strength as much as possible : de en
  • DE578788C - Procedure for cooling the bit when drilling rock : de en
  • FR747746A - Improvements in manufacturing processes for paints, coatings, coatings, floors and sticky products based on animal glues : en fr
  • US1915102A - Method for forming a drip molding : en
  • US1915122A - Pressure gauge : en
  • US1915162A - Dishwashing machine : en
  • US1914699A - Paper fastener : en
  • US1914981A - Method and apparatus for forming lugs on clay columns and the like : en
  • DE579060C - Electromagnetic clutch : de en
  • DE579286C - Centrifugal machine with self-cleaning multi-part drum : de en
  • FR747811A - Gasoline lighter : en fr
  • GB394059A - Improvements in and relating to drop windows : en
  • DE579155C - Device for the electrochemical registration of the impulses transmitted by a transmitter, in particular for the purpose of electrical image transmission, using moistened receiving paper : de en
  • FR747588A - Pneumatic stamping device for press : en fr
  • FR747636A - Improvements to centrifugal pumps : en fr
  • FR747727A - Process for manufacturing nitrogenous cellulose derivatives : en fr
  • GB394389A - Improvements in or relating to the hydration of olefines : en
  • GB394002A - Improvements in or relating to telephone systems : en
  • DE579077C - Roll film with individual separable image parts and a light protection tape to which the film tape is attached at one end : de en
  • GB394026A - Process for the manufacture of bis-(halogenhydroxyaryl)-oxides : en
  • GB394050A - Improved arrangements for the production of ionisation by impact : en
  • CA333381A - Cathode for glow discharge device : en fr
  • DE579291C - Regulation and control device for refrigeration machines : de en
  • US1914654A - Multiple hose reel : en
  • US1915153A - Dynamo-electric machine : en
  • FR747658A - Motor vehicle stabilizer-shock absorber : en fr
  • CA333320A - Electric vulcanizer : en fr
  • CA333384A - Railway motor frame : en fr
  • FR42288E - : fr
  • GB394262A - Improvements in discharging devices for conveyor bands : en
  • FR747668A - : fr
  • FR747806A - Detachable false collar for shirts : en fr
  • GB394044A - Improvements in or connected with cutters or dies for cuttercrush or like embossing presses : en
  • GB394186A - Improvements in or relating to electrical modulation systems : en
  • CA333318A - Copying sheet : en fr
  • DE579283C - Call waiting machine : de en
  • DK47443C - Folding device for egg cartons. : da en
  • FR747598A - Apparatus for painting or coating by spraying hot materials : en fr
  • GB394219A - Improvements in or relating to stationary armatures for small electric generators : en
  • AU730032A - Improvements in or relating to apparatus forthe classification of powdered material by elutriation : en
  • DE578918C - Cypher for loose-leaf bookkeeping : de en
  • DE579089C - Shock absorbers for hydraulic steering systems : de en
  • CA333483A - Printing plate mould : en fr
  • DE578937C - Device for the generation of mixed colors during spray printing : de en
  • FR42277E - Assembly for driving condenser loudspeakers : en fr
  • US1914519A - Formula for denaturing alcohol : en
  • DE578915C - Purge pipe connection : de en
  • GB394340A - Improvements in or relating to the manufacture of cigarettes : en
  • US1914808A - Testing device : en
  • DE579187C - Jumping camera : de en
  • FR747859A - Method for attaching metal ribbons intended to encircle packages, packaging or others and device for carrying out this method : en fr
  • GB394338A - Improvements in or relating to knitted fabric and method of making same : en
  • DE579189C - Drive for clamping and pressing devices, preferably veneer presses : de en
  • FR747767A - Stove with accumulation : en fr
  • GB394279A - Improvements in or relating to flat knitting machines : en
  • FR747888A - Starting control device for internal combustion engines : en fr
  • DE579074C - Process and device for the recovery of waste heat from pulp digesters : de en
  • GB394092A - Improvements in or relating to apparatus for winding strands into balls in producinggolf ball cores : en
  • GB394119A - Improvements in and connected with furnaces : en
  • GB394145A - Improvements in or relating to pipe joints : en
  • DE579287C - loom : de en
  • DE579345C - Piston with light metal head and iron shaft : de en
  • FR747515A - Improvements to the controls by articulated linkages : en fr
  • US1914527A - Paper manufacture : en
  • US1914685A - Card holding tray : en
  • GB394966A - A new or improved machine for mercerizing and neutralizing textile skeins : en
  • FR747764A - Remote electric transmission system : en fr
  • DE579004C - Heat conductor support for electrical heaters : de en
  • DE579265C - Hydraulically controlled injection device : de en
  • FR747551A - Paper bag closure system for powdery material : en fr
  • GB394251A - Inhalation device : en
  • DE579226C - Process for the preparation of 8-oxyquinoline and its-5-sulfonic acid : de en
  • DE579357C - Track scaffolding for the dog track car that carries the bait and is guided by a lower and upper rail : de en
  • FR747804A - : fr
  • GB394306A - Improvements in or relating to compressors : en
  • FR42284E - Improvements to discharge tubes : en fr
  • GB394191A - Improvements in and relating to apparatus for boiling liquids for medicinal and chemical purposes : en
  • FR747846A - Lighthouse, more particularly intended for signaling in the streets for the circulation of cars : en fr
  • FR747890A - Coupling system for generating or amplifying electrical oscillations : en fr
  • GB394085A - Process of and apparatus for the purification of town gas or other fuel gas : en
  • US1914557A - Catalyst and process of preparing the same : en
  • US1914560A - Support for refiecting members : en
  • DE540174C - Method for keeping the combustion chamber walls and outlet end surfaces of internal combustion engines usable : de en
  • FR747689A - Electric razor : en fr
  • US1915095A - Regulating system : en
  • CA333413A - Hoist : en fr
  • DE579235C - Process for the production of a three-core or multi-core cable with a triangular or polygonal jacket : de en
  • GB394336A - Improvements in and relating to photo-composing methods : en
  • US1914958A - Railway track circuit : en
  • US1915068A - Valve adapted to be lubricated : en
  • FR747649A - Optical signaling device : en fr
  • FR747745A - : fr
  • FR747819A - Hair waving thermochemical sachet fixers : en fr
  • US1914435A - Heat regulating device : en
  • US1914531A - Track connecter for toy electric railways : en
  • US1915146A - Uncoupling mechanism for rotor couplers : en
  • FR747807A - Device for protecting and gripping cofferdam joists and gates with various safety means of release under water : en fr
  • US1914373A - Oil cracking apparatus : en
  • US1914935A - Apparatus for collecting emanation in receptacles : en
  • US1914406A - Fire-preventing and fire-extinguishing agent : en
  • US1914583A - Electric light : en
  • US1914622A - Hydraulic pump or motor for hydraulic transmissions : en
  • US1914635A - Conduit clamp for connecting boxes : en
  • US1914870A - Method of hydrogenation : en
  • CA333412A - Hoist brake : en fr
  • AU894632A - Wheel scraper for scarifiers : en
  • AU916032A - Improvements relating to stocking suspenders : en
  • CA333387A - Electric switch : en fr
  • DE578853C - Magnetic electric measuring device : de en
  • FR747665A - Extendable hanger for coat rack : en fr
  • US1915191A - Sight for antiaircraft machine guns : en
  • US1914728A - Ventilator bracket : en
  • US1914577A - Open hearth furnace : en
  • US1915108A - Process of combining dialkyl ketones and secondary aromatic amines : en
  • FR747592A - Toothpaste or other dispenser : en fr
  • US1914827A - Tappet wrench : en
  • US1914964A - Antifouling composition : en
  • US1914721A - Seat and concealed table : en
  • US1914803A - Advertising and carrier device : en
  • US1914849A - Blank separating and feeding machine : en
  • FR747670A - Improved process and devices for cleaning or dedusting fluids : en fr
  • GB394083A - Improvements in holders for holding hollow cones or other hollow or tubular bodies holding yarn or thread in creels or other supports for yarn or thread to be unwound therefrom : en
  • US1914724A - Air heater and circulator : en
  • US1914891A - Sealing device : en
  • US1915152A - Process for the recovery of copper from spent reaction masses : en
  • CA333396A - Ammonia oxidizing method : en fr
  • US1914389A - Stropping device for razor blades : en
  • US1915016A - Grinding tool : en
  • FR747634A - Improvements to coagulation vessels to give the coagulum the shape of continuous leaves : en fr
  • GB394161A - Improvements in or relating to cathode arrangements for use in thermionic valves : en
  • US1914378A - Fastener : en
  • US1914717A - Copper melting furnace method : en
  • CA333368A - Valve mechanism : en fr
  • US1914704A - Doorlatch spindle assembly : en
  • US1914879A - Machine for grinding disk knives : en
  • US1915081A - Focusing lamp with focusable reserve light bulb : en
  • FR747648A - : fr
  • AU773032A - Improvements in or relating to cathode ray tubes for use in television picture telegraph and like systems : en
  • DE579093C - Sliding window consisting of several leaves lying on one level : de en
  • DE579139C - Method and device for loading a centrifuge : de en
  • DE579168C - Method and plate for the production of a three-stranded reversible clad goods on circular knitting machines : de en
  • DE579195C - Hinge for alarm guns and stun guns : de en
  • FR747818A - Concentration device : en fr
  • FR747779A - Pendant lamp with indirect lighting : en fr
  • DE578931C - Device for detecting, displaying and recording the presence of flammable vapors and gases : de en
  • FR747678A - Ball bearing for axles of bicycles and other similar vehicles : en fr
  • GB394216A - Process and apparatus for the manufacture of artificial filaments : en
  • GB394681A - Load indicating device for cranes and the like : en
  • FR747879A - Nozzle for vacuum elevator : en fr
  • GB394274A - Improvements relating to domestic water heating systems : en
  • DE579034C - Oil burner with nebulization pump connected upstream of the burner tube : de en
  • DE579311C - Steep tube boiler : de en
  • DE579150C - Device for regulating the height of railway tracks using wedges : de en
  • DE579031C - Device for separating faeces for railway cars : de en
  • GB393997A - Process for the recovery of lead and other metals from sulphide ores : en
  • US1915205A - Swinging door mechanism : en
  • GB394374A - Improvements relating to apparatus for raising liquids or semisolids : en
  • GB394661A - Improvements in and relating to methods of and means for lubricating axle bearings : en
  • GB394362A - Improvements in and relating to electric distribution systems employing mercury arc rectifiers : en
  • GB394093A - Change-speed gear mechanism : en
  • GB394141A - A new method and apparatus for the manufacture of playing cards : en
  • DE579324C - Process for the production of new anthraquinone derivatives : de en
  • CA333335A - Water drawing off apparatus : en fr
  • DE579098C - Scratch fitting with support : de en
  • FR42300E - Improvements to parachutes : en fr
  • FR747601A - Improvements to tangle sheets of paper : en fr
  • FR747839A - Device to prevent boiling milk from overflowing : en fr
  • US1915101A - Draft control system : en
  • US1914508A - Wall cabinet : en
  • US1914594A - Compressor controlling mechanism : en
  • US1914390A - Electric motor structure : en
  • US1914933A - Wheeled plow : en
  • CA333437A - High frequency amplifier : en fr
  • CA333425A - Condenser : en fr
  • CA333343A - Adhesive : en fr
  • US1914567A - Oil or gas burner : en
  • CA333419A - Insulating material : en fr
  • GB394235A - Improvements in chain conveyors : en
  • CA333405A - Container pouring lip : en fr
  • GB394358A - Improvements relating to control mechanism for railway points and signals and the like : en
  • GB394375A - Improvements in or relating to the hydration of olefines : en
  • CA333325A - Shower bath cabinet : en fr
  • US1914514A - Header : en
  • CA333375A - Paper machine : en fr
  • US1915178A - Liquid level indicating arrangements : en
  • US1914601A - Valve seating device : en
  • US1914639A - Lock : en
  • GB394157A - Improvements in rotary shock absorbers for torque transmission : en
  • GB394332A - Improvements in and relating to the delustering of fibres or fabrics consisting of or containing cellulose acetate : en
  • GB394387A - The manufacture of 3.5-diiodo-4-pyridone : en
  • GB394020A - Improvements in or relating to control mechanism for carburettors of internal combustion engines : en
  • US1914655A - Sole presser mounting : en
  • US1914420A - Gravel and sand washer : en
  • US1914451A - Merry-go-round : en
  • US1914766A - Bottle cap : en
  • DE578923C - Electromagnetic time relay : de en
  • FR747691A - Tube packaging : en fr
  • US1914412A - Rolling mill : en
  • US1914765A - Nonremovable cap for tubes : en
  • DE579103C - Device for dust-free emptying of ash containers : de en
  • US1914810A - Method of making cycle frames : en
  • US1915170A - Engine : en
  • USD90165S - Design for a plant support : en
  • US1914961A - Hose coupling reenforcing means : en
  • US1915195A - Method of and machine for grinding in valves and cocks : en
  • DE579179C - Reagent paper : de en
  • US1914432A - Cathode coating process : en
  • US1914740A - Bench for pottery molds : en
  • US1914840A - Garment hanger : en
  • DE579113C - Production and separation of sodium nitrate and ammonium chloride : de en
  • FR747735A - Improvements to bearings, especially bearings for vertical shafts : en fr
  • CA333450A - Hydraulic cement manufacturing apparatus : en fr
  • US1914402A - Antislip sheet product : en
  • US1914566A - Clutch : en
  • US1915024A - Lifting apparatus : en
  • US1915197A - Battery lifting and carrying device : en
  • DE579138C - Laundry kettle : de en
  • FR747776A - Improvements in the manufacture of frames for spring cushions and the like : en fr
  • US1914507A - Dowel pin : en
  • US1914363A - Washing machine : en
  • US1914469A - Draft rigging for railway cars : en
  • US1915188A - Governor : en
  • US1914746A - Furnace : en
  • CA333328A - Railway safety device : en fr
  • GB394388A - Improvements in and relating to electrodes for mercury arc lamps for the production of ultra-violet light : en
  • US1914599A - Machine for use in scouring either wool and other animal fibers or vegetable fibers : en
  • US1914615A - Cotton opening machine : en
  • CA333449A - Pencil tip : en fr
  • DE578912C - Machine for nailing rubber heels : de en
  • GB394285A - Improvements in supplementary devices for optical observation instruments : en
  • CA333395A - Fibre product preservation : en fr
  • CA333451A - Railway truck : en fr
  • US1914838A - Harvester : en
  • DE579251C - Wrist watch stand : de en
  • DE579100C - Table billiards with a hard board composed of several individual parts : de en
  • FR42255E - Audible warning device by vacuum chamber taken from the aspiration of internal combustion engines : en fr
  • CA333321A - Sport device : en fr
  • US1914593A - Arrangement for valve transmitters : en
  • US1914979A - Riveting mechanism : en
  • US1915088A - Nut locking device : en
  • AU1043632A - Water-tube steam generator : en
  • AU772632A - Process for uniting the ends of tubes disposed one within the other and tubular structures formed by said process : en
  • US1914690A - Dispensing device : en
  • US1915194A - Bunch-builder for winding and like machines : en
  • US1914931A - Goggle attachment : en
  • US1914466A - Smoking appliance : en
  • FR747751A - Improved radiant beam arrangement in radiators : en fr
  • US1914386A - Safety device for food slicers : en
  • US1914760A - Tire chain attachment : en
  • US1914950A - Spreader for road surfacing fluid : en
  • US1914960A - Lady's hand bag : en
  • GB394187A - Vacuum pump : en
  • DE579177C - Process for hardening phonetic carriers made from hardenable protein compounds : de en
  • DE579382C - Device for the cyclical raising and lowering of the back and forth moving workbench of machine tools, in particular of milling machines : de en
  • US1914470A - Automatic fishing reel : en
  • US1915056A - Furnace construction : en
  • FR42290E - Device for protecting reel films from light : en fr
  • FR747514A - Cylinder head, more particularly for internal combustion engines, with side valves : en fr
  • GB394211A - Improvements in methods of and materials for coating zinc surfaces : en
  • FR42260E - Method and device for indicating at any time the position occupied by an aircraft : en fr
  • DE578996C - Process for obtaining heat-resistant extracts from the hearts of warm-blooded animals that are effective on the cardiac activity and the coronary circulation : de en
  • US1914797A - Roller gearing : en
  • US1914872A - Manufacture of dyestuff intermediates of the anthraquinone series : en
  • DE578965C - Process for improving the quality of synthetic rubber or rubber-like compounds : de en
  • FR747559A - Pocket knife or tool for use by manicurists and which opens or closes without the aid of a spring : en fr
  • FR747778A - Arrhythmic telegraph device printing, transmitter or receiver : en fr
  • DE579209C - Bottom closure for shaft conveyor vessels : de en
  • DE579143C - Process for the extraction of sulphates of iron, copper, zinc and nickel : de en
  • DE579262C - Acceleration pump for carburettor : de en
  • DE579325C - Process for the preparation of acylamino compounds from polynuclear compounds capable of forming cuepen : de en
  • DE579014C - Dunking device for machines for the production of matches with an application and spreading device moved back and forth over the dunking table : de en
  • FR747508A - Air dehumidification process with automatic humidity and temperature adjustment : en fr
  • FR747603A - Tie, shoe and how it is made : en fr
  • GB394290A - An improved method of relaying musical and other programmes from a central station to a plurality of remote points : en
  • DE525793C - Arrangement for speed adjustment of a hydraulic controller : de en
  • DE579219C - Process for the production of wax and leather cloths : de en
  • DE579321C - Internally heated winder for permanent hair wave devices : de en
  • US1914748A - Apparatus for winding spring motors : en
  • FR747850A - Decoration process applicable to the frame : en fr
  • US1914603A - Long draft spinning mechanism : en
  • US1914772A - Gas burner : en
  • GB394276A - Improvements in or relating to cigarette paper books i.e., packets of cigarette papers made up in book form : en
  • DE579282C - Shoe straightener : de en
  • GB393992A - Improvements relating to sheet conveying devices for rotary printing machines : en
  • FR747692A - Combination of a gear change mechanism and its control system such as, for example, an electric motor : en fr
  • GB394204A - Improvements in steam generators : en
  • US1915128A - Furnisher brush for textile printing machines : en
  • FR747528A - Improvements to steam condensation water traps, especially in heating pipes of railway vehicles : en fr
  • FR747798A - Toxic and non-flammable product for the pest control of agricultural products in isolation : en fr
  • GB394257A - Improvements in cases for eggs and other fragile articles : en
  • US1914429A - Luminous headcear : en
  • DE545257C - Roll cassette for photographic reproducing apparatus : de en
  • GB394105A - Improvements in or relating to automatic or semi-automatic telephone systems : en
  • DE578877C - Automatic liquid measuring and dispensing device : de en
  • DE579057C - Spark plug : de en
  • FR747667A - Composite glass intended for the manufacture of lamps : en fr
  • FR747742A - Internal combustion engine without valve, cylinder head sleeve and rotating spark plug : en fr
  • DK47466C - Lubrication system for Engines. : da en
  • DE579165C - Device for displaying frequency differences in alternating current circuits : de en
  • CA333504A - Metallic bunch : en fr
  • DE578888C - Diesel engine : de en
  • US1915265A - Thermostat for refrigerating apparatus : en
  • GB394117A - An improved process and apparatus for electro-plating : en
  • GB394034A - Improvements in and relating to apparatus for treating liquids particularly for the pasteurization thereof : en
  • GB394043A - Improvements in the manufacture and production of assistants for the textile and allied industries : en
  • DE578839C - Book cover protector : de en
  • DE578882C - Device for self-teaching : de en
  • GB394212A - Manufacture of solutions of fibroin : en
  • DK47463C - Electric Discharge Pipe. : da en
  • DE579157C - Electric battery : de en
  • DE579072C - Procedure for determining whether milk can be used for making cheese : de en
  • CA333323A - Power hammer : en fr
  • FR747633A - Improvements in electrical circuits for communication devices, more especially applicable to television devices : en fr
  • GB394192A - Improvements in and relating to sheet feeding devices : en
  • US1914459A - Feed mixer : en
  • US1914843A - Process for the heat treatment of noncementable metals : en
  • US1915136A - Well point : en
  • GB394193A - Improvements in or relating to cemented metal carbides : en
  • US1914873A - Grate : en
  • US1914983A - Coin operating lock : en
  • US1915201A - Method and apparatus for producing mixtures containing metal powder : en
  • GB394151A - Improvements in or relating to cigarette making machines : en
  • CA333350A - Refuse container : en fr
  • US1915202A - Seam reenforcement : en
  • CA333440A - Electron device : en fr
  • US1914546A - Vending machine : en
  • US1914548A - Double-row roller bearing : en
  • FR747885A - Improvements to printing machines : en fr
  • DE578995C - Method for the preparation of anthrapyridone droplets : de en
  • DE579055C - Release device for clamp latches : de en
  • DE579109C - Shuttle drive for ribbon looms : de en
  • DE579269C - Safety valve for cooking pots : de en
  • CA333346A - Gate latch : en fr
  • DE579095C - Aiming device for firearms : de en
  • DE579340C - Device for measuring or registering pressure changes with the aid of a capacitor : de en
  • FR747821A - Fluid Actuated Brake Systems Improvements : en fr
  • FR747716A - Improvement in tensioning devices for feeding paper rolls to printing machines : en fr
  • FR747892A - Device for adjusting the opening of windows, shutters, doors, etc. : en fr
  • DE579275C - Light-tight, sealable can for developing roll film strips in daylight : de en
  • FR747760A - Process for gluing wood, particularly applicable to the manufacture of plywood : en fr
  • AU625432A - Improvements inthe manufacture of chocolate : en
  • GB394213A - Improvements in or relating to string climbing spinning toys : en
  • GB394214A - Improvements in or relating to supply arrangements for thermionic valve apparatus : en
  • GB394277A - Improvements in brakes for cycles : en
  • FR747519A - Multiple breaker, especially for dual ignition engines : en fr
  • GB394008A - Improvements in or relating to doors for cooking ovens : en
  • GB394095A - Improvements in safety stops for rail trucks : en
  • GB394181A - Improvements in and relating to draught excluding devices for doors, windows and the like : en
  • US1914544A - Headgear : en
  • US1914744A - Boiler-cleaning apparatus : en
  • US1915093A - Gear changing mechanism : en
  • GB394136A - Improvements in or relating to safety razors : en
  • CA333319A - Recording instrument for trucks : en fr
  • US1914947A - Electric applicator machine : en
  • US1915231A - Bumper : en
  • GB394965A - Improvements in or relating to control means for clockwork movements : en
  • CA333388A - Deion circuit breaker : en fr
  • DE579185C - Process for protecting magnesium and magnesium alloys against attack by water and alcohols at normal and elevated temperatures : de en
  • DE579268C - Spring drive : de en
  • FR747505A - Automatic alarm signal transmitter : en fr
  • GB394078A - Improvements in and relating to wireless receiving apparatus : en
  • US1915164A - Method of forming paper receptacles : en
  • US1915239A - Electric switch : en
  • US1915097A - Rotary pump : en
  • US1914532A - Method and means for foundry practice : en
  • US1914687A - Liquid return for intermittent absorption refrigerators : en
  • US1915092A - Headwear : en
  • US1915173A - Fuel box : en
  • US1914648A - Heat insulating covering : en
  • US1914444A - Radius rod mounting : en
  • US1914482A - Metallurgical furnace : en
  • US1914667A - Air filter : en
  • US1915209A - Helicopter : en
  • DE579198C - Device for sports and exercise games : de en
  • DE579254C - Process for the preparation of resinous polymerization products : de en
  • US1914414A - System for measuring transmission at various frequencies : en
  • USD90167S - A corpo : en
  • AU994432A - Improvements connected with watches : en
  • FR747734A - Improvements to submerged type pumps : en fr
  • DE579250C - Extendable and self-rolling protective cover for hotplates : de en
  • GB394036A - Improvements in covers for cable boxes : en
  • DE579302C - Process for drying grain and other free-flowing substances in shaft dryers : de en
  • FR747709A - Safety razor : en fr
  • GB394195A - Process for the manufacture of the glucosides of phenols and of substances containing phenclic hydroxyl groups : en
  • US1914956A - Furnace : en
  • US1915176A - Anal suppository : en
  • US1914573A - Landing deck for aircraft : en
  • US1915015A - Power take-off : en
  • US1915030A - Electrical apparatus : en
  • DE578881C - Reading device : de en
  • DE579259C - Coin Canal : de en
  • CA333340A - Building surface covering : en fr
  • US1914801A - Machine for making reenforced sheet materials : en
  • US1915120A - Apparatus for decomposing ammonia : en
  • US1914641A - Necktie clasp : en
  • AU802932A - Improvements in and relating to attachments to convert ordinary tables for use in playing billiards andthe like : en
  • US1915075A - Plastic tubing : en
  • CA333324A - Barrel filling machine : en fr
  • US1914488A - Machine for moistening and cooling yarns and fabrics : en
  • US1915196A - Metal laundry bag : en
  • US1914554A - Electrical ground connecter : en
  • US1914817A - Liquid dispensing apparatus : en
  • US1915126A - Method of determining traces of nitric in sulphuric acid solutions : en
  • US1914698A - Header support : en
  • US1914954A - Knitting machine : en
  • US1914403A - Heat treating container : en
  • US1914752A - Turbine with radial admission : en
  • US1914716A - Copper melting furnace : en
  • US1915089A - Steam generator or water heater : en
  • DE578871C - Bread box that can be detached and attached to the apartment door, only removable from this when the apartment door is open : de en
  • DE579082C - Change gear for bicycles : de en
  • US1914458A - Promotion of catalysts : en
  • US1914680A - Edge strip anchorage means for link rugs : en
  • DE578735C - Process for the preparation of brown dyes : de en
  • US1914457A - Walve for controlling flow of fluid : en
  • US1915175A - Safety locking device : en
  • IE12705L - Electrical signalling systems : en
  • AU266734B2 - Aryl and cycloalkyl substituted dibensothiophenes and dibenzofurans : en
  • CA333398A - Valve closed metal container : en fr
  • DE578770C - Method for connecting in opposite directions, overlapping and parallel wire ends by twisting : de en
  • FR747545A - SINGLE INTEGRAL CONTROL DEVICE SPECIALLY APPLICABLE TO T.S.F. AND SIMILAR DEVICES : en fr
  • US1915246A - Tabulating mechanism for typewriters : en
  • US1915000A - Brake shoe : en
  • CA333436A - Electrical apparatus : en fr
  • US1914405A - Machine for cutting blanks from sheet material : en
  • US1914858A - Apparatus for making jars from concrete : en
  • US1914897A - Means for protecting gas or water pipes, electric cables, or the like : en
  • US1914682A - Ventilator : en
  • DE579136C - Process for the production of molded bodies from explosives : de en
  • FR747784A - Shield for rolling stock axle boxes : en fr
  • GB394252A - Improvements in saliva suction devices : en
  • DE578446C - Locking device for a sliding window that can be folded around a horizontal lower axis and has a lockable guide pin : de en
  • DE578933C - Propeller-driven aircraft for high altitude flights : de en
  • DE579333C - Heating stove with air circulation pipes : de en
  • CA333342A - Chewing gum : en fr
  • US1914675A - Thermostat : en
  • US1914381A - Grounding device : en
  • US1914431A - Bottom rail for roller screens : en
  • DE578811C - Device for registering wagers : de en
  • DE578862C - Closure for portable heaters : de en
  • DE578939C - Process for the production of dye preparations : de en
  • FR747641A - New azo dyes : en fr
  • FR747702A - Aerial cable carrier for heavy loads, as well as process and equipment for its maintenance : en fr
  • AU707732A - Improvements in and connected with motion picture projection mechanisms : en
  • US1914487A - Apparatus for forming tires : en
  • US1914780A - Backwater controlling device : en
  • US1914786A - Valve : en
  • US1914890A - Film renovating machine : en
  • DE578507C - Oil firing with a fuel tank fitted with a heating device upstream of the burner device : de en
  • FR42269E - Armchair or sofa bed : en fr
  • FR42287E - Reflector device for road traffic : en fr
  • US1914700A - Heat exchange apparatus for dairy equipment : en
  • US1915154A - Tool : en
  • US1914664A - Shutter control device for motion picture machines : en
  • US1915256A - Control means for a winding machine : en
  • AU820032A - Means for utilising the formfactor of alternating currents for signalling or other systems. 9 : en
  • DE578924C - Device for the automatic control of n synchronous machines working in parallel, with which the percentage active or reactive load distribution or both among the individual machines is kept constant independently of the network : de en
  • DE579222C - Device for the absorption of gases in liquids : de en
  • DE579352C - Engine for aircraft : de en
  • FR747783A - Rotary vane combustion engine : en fr
  • AU671532A - An improved heating stove : en
  • FR747780A - Airtight bucket for household waste : en fr
  • GB394292A - A method for the determination of oxygen or combustible gas constituents by combustion : en
  • US1915057A - Brush ferrule : en
  • US1915079A - Dishwashing machine : en
  • USD90148S - Fernand bkidier : en
  • CA333503A - Engine starter mechanism : en fr
  • US1914596A - Bandage : en
  • FR747681A - Improvements to balance wheels for watches and other timepieces : en fr
  • GB394070A - Improvements in or relating to drawing instruments : en
  • US1914901A - Boat propelling mechanism : en
  • US1915087A - Pivot polishing device : en
  • FR747635A - Improvements in manufacturing processes for white cast iron having undergone heat treatment and product obtained : en fr
  • FR747660A - Meat cutting machine with straight knife and reciprocating motion : en fr
  • DE579092C - Lock for emergency exit doors in assembly rooms, the bolt of which can be retracted depending on the trap : de en
  • DE579096C - Gun trigger for single and continuous fire : de en
  • US1914665A - Method of breaking petroleum emulsions : en
  • US1914555A - Playground unit : en
  • US1914591A - Method of manufacturing artificial flowers from cocoons : en
  • US1914939A - Nonmetallic resistor and method of making the same : en
  • US1914551A - Insulation of inclosed electric conductors : en
  • US1915008A - Method of joining pressure carrying tubing to fittings : en
  • CA333426A - Light projection : en fr
  • US1914707A - Internal combustion engine : en
  • FR747693A - Device for guiding and maintaining partition walls in coagulation vessels : en fr
  • FR747823A - Improvements to locomotives, and more particularly to locomotives fitted with auxiliary engines : en fr
  • FR747503A - Improvements made to gear change for bicycles, motorcycles, etc. : en fr
  • US1914413A - Tool driving machine : en
  • US1914844A - Braking means : en
  • US1914376A - Selective signaling system : en
  • CA333410A - Continuous absorption refrigeration machine : en fr
  • US1915172A - Full collapsible panicproof door : en
  • US1915255A - Apparatus for making corrugated wire glass : en
  • CA333360A - Turbine : en fr
  • US1915117A - structural bracing means for vehicle chassis frames : en
  • US1914434A - New salt-like complex compounds of the higher homologous polyhydroxy benzenes and substitution products thereof : en
  • GB394653A - Improvements in attachments for the mouthpieces of telephone transmitters : en
  • GB394129A - Jointing tubes to the drums, headers or the like of heat exchangers : en
  • GB394065A - Improvements relating to golf practice balls : en
  • GB394232A - Improvements in and relating to electric remote metering systems : en
  • GB394293A - Improvements in or relating to frames for vertical piston engines : en
  • GB394033A - Improvements in and relating to the dehydration of gypsum : en
  • FR747666A - Improvements to signaling systems : en fr
  • FR747794A - Color cinematography process by superimposing selected monochrome views : en fr
  • GB394240A - Improved arrangement for fitting and attaching the divided inner race rings of ball and roller bearings : en
  • DE579083C - Can opener with a blade hinged to a handle plate : de en
  • GB394137A - Improvements in connection with the extrusion of metals : en
  • DE579021C - Method and device for heating materials : de en
  • DE579170C - Process for obtaining raw textile fibers from plant stems : de en
  • FR747600A - : fr
  • GB394221A - Improvements in or relating to carburettors : en
  • DE579240C - Rectifier tubes with several anode-cathode systems : de en
  • DE579049C - Light band instrument : de en
  • DE579298C - Rotating drum, especially spinning pot for the manufacture of rayon : de en
  • GB394038A - Improvements relating to two-stroke cycle internal combustion engines : en
  • GB394143A - Improvements in pneumatic tire and method of making same : en
  • FR747548A - Process for manufacturing films from cellulose solutions : en fr
  • GB394001A - Improvements in and relating to built-up rotors, suitable for steam turbines : en
  • GB394397A - Improvements in or relating to selector switches for use, for example, for transformer tap changing : en
  • FR747608A - Process for ensuring the progression of products on oscillating lanes and other similar applications and engine for implementing this process : en fr
  • FR747718A - Process for distributing a quantity of heat or cold, practically uniformly on an exchange surface and installation for the implementation of this process : en fr
  • GB394220A - Improvements in and relating to weaver's knotters : en
  • GB394068A - Improvements in vices : en
  • US1914497A - Machine for making stereotype-matrices : en
  • DE578925C - Electromagnetically operated ignition device for mercury vapor apparatus made of glass, in which a movable ignition electrode is resiliently attached close to the mercury cathode : de en
  • FR747682A - Vertical chamber furnace for the production of gas and coke : en fr
  • FR747719A - Process for the manufacture of solid products, containing alkaline hypochlorite in a stable state : en fr
  • GB394013A - Improvements in and relating to power units such as steam turbines : en
  • FR747684A - Device for the introduction of hot air into the fireplaces : en fr
  • DE579304C - Process for washing and simultaneous preparation of knitted fabrics : de en
  • DE579379C - Made of several interconnected layers of woven fiber straps : de en
  • US1914439A - Method of hot straightening : en
  • US1914586A - Bed support for lathes, grinders and the like : en
  • US1914627A - Drive for well drilling apparatus : en
  • US1914893A - Cotton extracting and cleaning machine : en
  • GB394139A - Improvements in stencil blanks : en
  • GB394062A - An improved apparatus for separating dust and fine particles from granular material : en
  • GB394310A - Improvements in or relating to treatment of fuel gases : en
  • CA333423A - Cereal product : en fr
  • FR747831A - Incandescent electric lamp or electric discharge tube : en fr
  • GB394168A - Improvements in or relating to apparatus for assembling the fastener elements of sliding-clasp fasteners into rows : en
  • FR747886A - Improvements to the mechanisms supplying paper to printing machines : en fr
  • GB393999A - Improvements in caps for multi-filament electric lamps : en
  • FR747749A - : fr
  • DE579063C - Control and shut-off valve : de en
  • DE579258C - Miner's lamp : de en
  • GB394253A - Improvements in railway and other refrigerator vehicles : en
  • GB394302A - Improvements in shaping machines and other machine-tools : en
  • DE578956C - Steam boiler with electrical heating by electrodes, in which an insulating tube is provided to regulate the resistance between the electrode and the counter electrode and the electrode located inside the insulating tube is cooled by a jet of liquid : de en
  • DE579337C - Device for the simultaneous recording of the flow direction, the flow speed and, if necessary, the temperature of liquid flows : de en
  • DE578527C - Lift roller : de en
  • GB394159A - Non-concussive valve for water or the like : en
  • DE579175C - Weighing device for automatic, periodic and group-wise weighing of cigarettes : de en
  • US1914756A - Cutting apparatus for cigarette making machines : en
  • DE579191C - Theft protection for motor vehicles : de en
  • DE579380C - Shaft seal for compressors, refrigeration machines and vacuum pumps with two metallic sealing rings arranged in a special oil pressure chamber for sealing and shaft bearing lubrication : de en
  • DE579237C - Moving iron measuring device : de en
  • DE579039C - Device for obstetrics in animals : de en
  • GB394111A - Improvements in or relating to internal combustion engines : en
  • DE578967C - Process for the digestion of pyrite ores with sulfuric acid : de en
  • GB394376A - Improvements in or relating to the manufacture of addition products of olefines : en
  • DE556958C - Elastic keycap : de en
  • US1914584A - Closure for collapsible tubes : en
  • US1915229A - Clip forming mechanism : en
  • DE546606C - Oil burner with an upstream ring-shaped fireclay body that is kept glowing by the burner flame : de en
  • DE578928C - Method and device for the production of hollow cylinders with inner and outer flanges as well as bearing shells and bodies of any shape by centrifugal casting : de en
  • DE579271C - Circumferential clamping device for swivel joints for processing spring collars for leaf springs : de en
  • FR747532A - Improvements in the manufacture of envelopes for writing papers or the like : en fr
  • GB394109A - Improvements relating to armature conductors for dynamo electric machines : en
  • GB394301A - Improvements in or relating to multiple-head connecting rods, particularly for radial internal combustion engines : en
  • FR747531A - Plant fiber dyeing process using azo dyes : en fr
  • GB394118A - Improvements in reducing telescopic view finders for photographic cameras : en
  • GB394153A - Improvements in or relating to fire-extinguishing apparatus : en
  • GB394662A - Improvements in the manufacture of water taps : en
  • GB394142A - Improvements in grinding and polishing facets on rotary bodies : en
  • DE579002C - Device to enable the use of a diathermy device for high frequency treatment : de en
  • GB394701A - Improvements in or relating to electric switches for the control of luminous discharge tube installations : en
  • FR747607A - Gold lined guipage ear cup for glasses : en fr
  • FR42282E - Improvements to washing machines : en fr
  • FR747628A - Elastic waistband for lingerie or underwear : en fr
  • CA333495A - Aliphatic compound : en fr
  • US1914464A - Combined permanent closure and loading head for oil tank cars : en
  • US1914533A - Scouring and polishing implement : en
  • US1915127A - Changeable exhibitor : en
  • CA333438A - Overrunning clutch : en fr
  • DE579161C - Swiveling bracket attached to the machine frame of the work machine to accommodate an electric drive motor of any dimensions : de en
  • USRE18871E - Apparatus por wiping molten metallic coatings : en
  • US1914606A - Dental plate : en
  • US1914643A - Vehicle parking device : en
  • US1914907A - Tap changing system : en
  • FR747817A - Utensil for washing table fruits : en fr
  • FR747928A - : fr
  • GB394660A - Improvements in angle and safe load indicators for cranes and the like hoisting apparatus : en
  • US1915217A - Loud speaker : en
  • US1914990A - Material for bearings, knife edges, and the like : en
  • US1915237A - Internal combustion engine : en
  • US1914816A - Paper clip : en
  • USD90177S - Design for a game device : en
  • DE579044C - Vessel lid with ventilation openings or perforations and a removable cover cap : de en
  • DE579236C - Bolts for the mechanical support of the end arches of stator winding heads of electrical machines : de en
  • AU767032A - Improvements in and relating tothe treatment of meat and meat mixtures : en
  • DE579091C - Paper for cleaning and polishing objects : de en
  • DE579149C - Piston compressor with automatic lubricant circulation : de en
  • US1915038A - Device for adjusting, altering, and changing scales and graphic nets : en
  • US1914919A - Centrifugal pump : en
  • US1914595A - Brake rigging : en
  • DE579255C - Weighing device for luffing cranes : de en
  • US1914636A - Mail-box : en
  • US1915215A - Corner brace for coops and crates : en
  • FR747701A - : fr
  • FR747893A - Coupling device : en fr
  • GB394072A - Improvements in or relating to saucepans : en
  • DE578861C - Denture articulator : de en
  • AU750632A - Rotary disc grass cutter : en
  • AU927332A - Improvements ofthe microphone : en
  • CA333372A - Remote control system : en fr
  • CA333401A - Dry cleaning method : en fr
  • FR747835A - Locomotive refinements : en fr
  • GB394047A - Improvements in or relating to presetting and registering means for liquid measuringand delivery apparatus : en
  • GB394081A - Improvements in pendulums for gravity determination : en
  • FR747707A - Consumption indicator for liquefied gas cylinders : en fr
  • GB394206A - A plough coulter : en
  • DE579221C - Steep index, whose maps of the same height and width in the area of the upper edge show staggered visible surfaces in vertical and horizontal directions : de en
  • FR747865A - Production of nitrogen-containing derivatives of the anthracene series : en fr
  • IE12764L - Electric discharge lamps : en
  • DE579312C - Ungrounded receiver or amplifier circuit : de en
  • US1914602A - Fluid control device : en
  • US1914753A - Pencil eraser holder : en
  • US1915033A - Optical photometer especially for photographic appliances : en
  • US1915064A - Metal alloy : en
  • FR747887A - Hand wrench : en fr
  • USRE18877E - District op coltjxxebia : en
  • DE579242C - Electric iron with a part of the handle forming switching device that is used for heating and ironing at the same time : de en
  • FR747540A - Improvements to the layout of the transmission and associated parts in motor vehicles : en fr
  • FR747758A - Improvements made to casks : en fr
  • FR747782A - Improvements to devices for circulating a fluid, more especially usable for rapid straightening of thick materials : en fr
  • GB394091A - Improvements relating to brake shoes : en
  • DE578874C - Suction box for round Dwight-Lloyd apparatus : de en
  • DE579322C - Safety device for electrically heated ovens : de en
  • US1914795A - Overload-release clutch : en
  • US1914809A - Spark plug tester : en
  • FR747594A - Control and trigger device for time devices : en fr
  • DE579036C - Piecing device for rayon spinning machines : de en
  • GB393983A - Improvements in wireless receiving circuits : en
  • GB394188A - Poultry hook : en
  • DE578938C - Rotatable yarn carrier for stretch yarn dyeing machines : de en
  • DE579247C - Hair curlers for making waves : de en
  • GB394260A - Appliances and materials for treating tooth root canals : en
  • DE578878C - Flow meter : de en
  • DE578994C - Process for the production of unsaturated hydrocarbons : de en
  • FR747847A - Bottle caps : en fr
  • DE578982C - Mirror device for reflex cameras : de en
  • GB394334A - Improvements in fasteners for loose leaf binders : en
  • FR747938A - : fr
  • GB394158A - Mechanism for registering a continuous web of wrapping or other material : en
  • FR747866A - Conjunction-disjunction arrangement, composed of several switches intended to be actuated in a determined order of succession : en fr
  • GB394304A - Improvements in and relating to incandescent cathode rectifier : en
  • DE578859C - Device for preventing individual font parts from being pressed off on flat weft knitting machines : de en
  • DE579202C - Pneumatic tool : de en
  • DE579229C - Process for the preparation of aniline : de en
  • US1915115A - Method of manufacture of squirrel cage rotor : en
  • US1914449A - Game apparatus : en
  • US1914580A - Electrooptical system and method : en
  • CA333347A - Automobile wind wing : en fr
  • DE578911C - Envelope filling machine : de en
  • FR747874A - Single-wheel trailer for automobiles and other road vehicles : en fr
  • GB394245A - Improvements in or relating to pistons : en
  • DE578290C - Device for controlling electric motors for driving presses, in particular with several press molds : de en
  • DE579228C - Process for the production of water-soluble products from protein substances : de en
  • DE579390C - Device for the automatic cutting of sewing threads in book stitching machines : de en
  • DK47445C - Process for the treatment of hardened calcium carbonate-containing sorel cement compositions containing magnesium sulphate. : da en
  • GB394100A - Improvements in or relating to junction boxes for electric cables : en
  • GB393993A - Improvements in or relating to oil burning apparatus : en
  • DK47457C - Method of Processing Wood for the Manufacture of Wooden Stands. : da en
  • DE578964C - Firebox wall cladding for articulated boiler : de en
  • DE578942C - Sheet depositing device for holding cylinder high-speed presses : de en
  • DE579289C - Manufacture of clay : de en
  • IE12496L - Portfolios for note-paper : en
  • DE578970C - Miner's lamp : de en
  • DE579104C - Conveyor device : de en
  • DE579386C - Process for the production of waterproof building materials : de en
  • US1914500A - Fishing rod : en
  • US1914611A - Fluid pressure brake : en
  • US1914727A - Production of lubricating oils : en
  • GB394046A - Improvements relating to electric accumulators : en
  • GB394256A - Improvements relating to envelopes, wrappers and the like : en
  • DE579239C - Fixing of connection terminals, especially in containers for electrical capacitors : de en
  • DE579285C - Process for the production of nitrocellulose with any nitrogen content : de en
  • DE578934C - Process for the production of asphalt compounds using Chinese wood oil : de en
  • DE579056C - Multiple breakers : de en
  • DE579097C - Procedure for attaching anchor points to ropes : de en
  • FR747624A - Lock gate control mechanism : en fr
  • FR747690A - : fr
  • DE578834C - Overmolding device : de en
  • GB394104A - Improvements in or relating to cycles and motorcycles : en
  • GB394182A - Improvements in and relating to the production of infants' food from cows' milk : en
  • US1914455A - Rubber hose : en
  • US1914980A - Vending machine attachment : en
  • US1915161A - Apparatus for inflating and testing the air pressure in pneumatic tires : en
  • DE579078C - Antihalation layers for photographic plates and films : de en
  • US1915204A - Recording device for grading thread and the like : en
  • FR747640A - : fr
  • GB394305A - Improvement in method of forming gofferated film : en
  • FR747703A - Process for establishing coatings for the walls of galleries, underground passages and coating obtained by this process : en fr
  • FR747539A - Anti-halo layers for plates and photographic films : en fr
  • FR747627A - Starter control device for internal combustion engines : en fr
  • DE579315C - Device for cutting off the edge of flush-mounted boxes protruding above the wall level : de en
  • USD90156S - Walter parks gray : en
  • DE579203C - Control for compressed air rock drilling machines : de en
  • GB394269A - Improvements in or relating to current-collecting devices for electric vehicles : en
  • GB394313A - Improvements relating to electric furnaces : en
  • AU774332A - Improvements in or relating to machines for cutting potatoes or other objects into chips or slices : en
  • DE578922C - High frequency double choke : de en
  • US1914471A - Fishing reel : en
  • DK47449C - Fuel-saving device for fireplaces, especially in stoves for central heating systems. : da en
  • DE579292C - Laterally slidable foot clamp assembly for flat plate butt joints on rails using wedges : de en
  • GB394224A - Improvements in door steps : en
  • GB394236A - Improvements in windows : en
  • US1914510A - Control mechanism for vehicles : en
  • US1914518A - Welding apparatus : en
  • US1914789A - Exhaust silencer : en
  • CA333337A - Bathing equipment : en fr
  • US1915036A - Shock absorber for mechanically propelled road vehicles : en
  • FR747650A - Rotary anode chi ray tube : en fr
  • FR747753A - Process for perfuming the powder, new perfumer device and new powder box for implementing the process : en fr
  • AU823332A - Farinaceous composition or preparation for use in cooking : en
  • DE578976C - Device for adjusting the height of the slide of scissors, presses, punches and similar machine tools : de en
  • GB394229A - Improvements in valve cages for internal-combustion engine cylinders : en
  • DE579164C - Electromagnetic measuring instrument in the form of an open fork : de en
  • GB394281A - Improvements in vehicle bodies : en
  • US1914437A - Insulator : en
  • US1915249A - Resilient buffer : en
  • DE579142C - Production of oxygen-free argon or oxygen-free gas mixtures rich in argon : de en
  • DK47458C - Process for the preparation of phenolic aldehyde resins and press mixtures, in which such are present. : da en
  • US1914416A - Method and machine for use in the manufacture of bcots and shoes : en
  • US1915040A - Process for flocculating positively charged emulsoids from a disperse medium : en
  • US1915109A - Header and windshield mounting : en
  • US1914719A - Loose stem rotor and lubricated valve : en
  • US1915066A - Filler valve for counter-pressure filling machines : en
  • US1915156A - Propulsion device : en
  • US1915171A - Carton : en
  • US1914973A - Weighing scale : en
  • US1914688A - Reversing drive : en
  • US1915084A - Process of making sheets : en
  • AU267557B2 - Improvements in or relating toan apparatus for continuous casting of metal : en
  • DE578980C - Tube mill for drying, grinding and, if necessary, burning goods : de en
  • GB394201A - Improvements in devices for handling articles with special application to electrolytic baths : en
  • GB394349A - Improvements in soles for footwear : en
  • AU778432A - Meat pickling solution : en
  • CA333502A - Plural-deck vehicle body : en fr
  • US1914490A - Brake : en
  • US1915001A - Mining and loading or loading machine : en
  • FR42266E - Process for preserving moths, wool, furs, hair, feathers and the like : en fr
  • FR747815A - Improvements to switch control mechanisms intended more specifically for electric motors : en fr
  • GB394067A - Improvements in and relating to electric lighting systems : en
  • US1915012A - Pad stitching or tacking machine : en
  • US1914565A - Grinding measuring device : en
  • US1914620A - Truck brake rigging : en
  • US1915107A - Fan belt pulley : en
  • DE579194C - Pencil sharpener with razor blade and two conical pencil guides : de en
  • USRE18873E - And joseph b : en
  • DE579548C - Guide cross for needle nozzle inlets of free jet turbines : de en
  • FR747688A - Process for the preparation of artificial resins : en fr
  • DE579231C - Method and device for the fractional distillation of water- and dust-containing tars or tea oils : de en
  • FR747617A - Metal reflector : en fr
  • DE579079C - Circulating pump with interlocking, screw-shaped projections and recesses arranged on the runner : de en
  • DE579256C - Absorption vessel for gases and vapors : de en
  • GB394254A - Improvements in or relating to matrix-setting and type-line-casting machines : en
  • FR747851A - Electric lighter : en fr
  • US1914912A - Deadening composition : en
  • US1914668A - Method of removing acid from hydrocarbon vapors : en
  • US1914745A - Hand cultivating implement : en
  • US1915192A - Hood latch : en
  • CA333392A - Plastic glass substitute : en fr
  • DK47467C - Device for refrigeration systems with two or more refrigeration units supplied with a condensed refrigerant from a common compressor system. : da en
  • US1914966A - Material trimming device : en
  • US1915060A - Tag element : en
  • FR747638A - Stamped : en fr
  • CA333382A - Ultra violet lamp : en fr
  • DE579088C - Hydraulic drive unit with a rotary pump : de en
  • US1915077A - Process and apparatus for oxidizinc ammonia : en
  • US1915212A - Alloy : en
  • US1914767A - Mortuary rack : en
  • US1914396A - Transmission system : en
  • US1914674A - Process for the conversion of butene-1 into butene-2 : en
  • US1914779A - Stop mechanism : en
  • AU825932A - Improved coldwater paste : en
  • DE579064C - Process for the manufacture of rotogravure rollers or cylinders : de en
  • CA333374A - Paper machine : en fr
  • US1914424A - Automobile indicator mounting : en
  • US1914574A - Industrial oven : en
  • DE579350C - : de en
  • FR747895A - Improvements to pressure regulators in pressurized fluid devices : en fr
  • FR747673A - Electric relays : en fr
  • US1914836A - Suture container and spool : en
  • US1914906A - Method of coating sheet materials : en
  • US1915155A - Track fender for house car doors : en
  • DE579035C - Rotary piston compressor with the rotor rotatably penetrating the vane piston : de en
  • DE579099C - Sliver depositing and can changing device : de en
  • CA333431A - Bottle-closure disc : en fr
  • DE579224C - Process for the preparation of iodized coagulates of 4-pyridone : de en
  • US1914647A - Method for finish grinding and polishing : en
  • US1914718A - Wax eliminator : en
  • US1914739A - Device for cleaning vehicles : en
  • US1914984A - Work driving mechanism for machine tools : en
  • US1914638A - Nut product and process for preparing same : en
  • US1914778A - Conveyer system : en
  • AU745932A - Combined splash plate and soap receptacle : en
  • US1914619A - Truck brake rigging : en
  • US1914387A - Counterbalance for crank shafts : en
  • US1914723A - Purification of imides : en
  • US1914725A - Thermostatic switch : en
  • DE579299C - Glass roof covering : de en
  • DK47447C - Apparatus for Stirring and Simultaneous Cooling of Milk in Transport Buckets. : da en
  • DK47455C - Bracket for attaching a stand to bicycles. : da en
  • CA333393A - Playing ball : en fr
  • US1915224A - Wheel mounting and steering gear : en
  • DE578847C - Process for bright annealing of metallic hollow bodies open on one side : de en
  • DK47448C - Bib. : da en
  • US1914503A - Mining machine : en
  • US1915203A - Caster socket : en
  • DE578870C - Rotating machine for plucking poultry : de en
  • DE579296C - Mercury vapor rectifier with control grid made of thin walls extending in the direction of the arc : de en
  • US1914529A - Switch : en
  • US1914736A - Angular ball swivel union : en
  • DE579306C - Method and device for generating and storing cold : de en
  • FR747816A - Watch with date of the month reading : en fr
  • US1914460A - Transmission : en
  • US1914846A - Projecting lamp : en
  • US1914941A - Air drying device : en
  • US1914820A - Hair drier : en
  • US1915062A - Process of preparing fmulsifiable products and emulsions thereof : en
  • US1915017A - Egg beater : en
  • US1915076A - Superregenerative receiver : en
  • US1915096A - Mounting and assembly of clockworks and bezels to clock casings : en
  • USD90154S - Design for a lip stick case : en
  • DE578997C - Rubber hose line with strain relief knot : de en
  • FR747830A - Device for separating dust particles from gas : en fr
  • CA333407A - Vehicle load auxiliary support : en fr
  • CA333453A - Telegraph system : en fr
  • DE578957C - Process for the production of lightfast colored lacquers : de en
  • GB394205A - Improvements in and relating to transformers : en
  • DE578917C - Manufacture of aluminum oxide : de en
  • FR747597A - : fr
  • GB394012A - Improvements in and relating to centrifugal apparatus such as fans, impellers and the like : en
  • CA333482A - Knitted article : en fr
  • US1914631A - Reversing mechanism for type impression machines : en
  • US1915071A - Attachment for mechanical hammers or the like : en
  • US1914785A - Production of oxygenated organic compounds : en
  • US1914883A - Method and apparatus for producing ions : en
  • US1915029A - Apparatus for producing pipe : en
  • CA333344A - Grease gun filler : en fr
  • DE579153C - Establishment of lock registers for signal boxes : de en
  • DE579032C - Process for refining petroleum products : de en
  • US1915094A - Machine for grading roads and the like : en
  • US1914379A - Window shade fixture : en
  • US1914796A - Detachable handle for towels : en
  • US1914806A - Apparatus for feeding metal plates : en
  • DE579186C - Pipe or compound mill : de en
  • AU751032A - Improvements in or relating to high frequency electrical oscillators : en
  • US1914886A - Wireless telegraph and telephone aerial : en
  • US1915082A - Method of and apparatus for electric welding : en
  • US1914398A - Intermittent movement : en
  • US1915169A - Separator : en
  • DE579046C - Device for casting foils : de en
  • FR747747A - : fr
  • US1914903A - Process of stimulating or rejuvenating plants and composition for use therein : en
  • AU1135333A - Improvements in and relating to antenna systems for radio communication : en
  • CA333434A - Liquid treating apparatus : en fr
  • FR747525A - Expanding and interchangeable spindle for loom shuttles : en fr
  • GB394174A - Improvements in radiator attachments for bath tubs : en
  • US1915163A - Cellulose nitrate composition and solvent mixture therefor : en
  • AU844432A - Improvements in and relating toan apparatus comprising wrapping rollers for making cigars and cigarillos : en
  • US1914715A - Electrical switch : en
  • US1915032A - Method of and means for correcting paving settlements : en
  • US1915264A - Feed mechanism for spring inserting machines : en
  • DE579163C - Magnetic and mechanical locking of the open grooves of AC machines : de en
  • US1914617A - Flowerpot support : en
  • US1914509A - Motor fuel : en
  • US1914440A - Combination tref holder and general utility stool : en
  • US1914610A - Snow plow : en
  • US1915043A - Roller : en
  • DE579003C - Device for generating rapid electrical oscillations : de en
  • US1914793A - Air cooled two stroke cycle engine : en
  • US1914977A - Splash guard for vehicle fenders : en
  • US1914857A - Building for industrial purposes : en
  • USD90158S - Assionob : en
  • US1915023A - Steel structure : en
  • US1914562A - Advertising device : en
  • US1914358A - Telephone system : en
  • US1915116A - Display carrier and holder : en
  • DE579016C - Start coupling for completely separable zippers : de en
  • DE579066C - Process for the automatic transport of objects by baths : de en
  • FR42256E - Method for sensitizing silver halide emulsion layers : en fr
  • FR747507A - Further training in transport vehicle bodies and in particular automobiles : en fr
  • FR747769A - Hydraulic jack : en fr
  • US1914474A - Tread pressing means for tire retreading molds : en
  • US1914712A - Heating and ventilating apparatus : en
  • US1914671A - Index tab : en
  • US1914856A - Wobk payment calculator : en
  • US1914761A - Tightener for concrete form tie wires : en
  • US1914525A - Method and machine for rolling a seam-seating groove in a hosiery drying form : en
  • US1914841A - Fluid dampener for clutches : en
  • US1915035A - Toy gun : en
  • FR747549A - Counter-pressure and pressure-balanced filling device by means of two pipes intended to equalize the pressure : en fr
  • GB394051A - Improvements in or relating to propelling devices for boats : en
  • GB394700A - Improvements in processes for carburizing or nitrogenizing ferrous or ferrous alloy articles : en
  • FR747857A - Removable theater sets with interchangeable elements : en fr
  • GB394173A - Improvements in building construction : en
  • USD90161S - J attorne : en
  • GB394176A - Improvements in or relating to suitcases or like containers and method of and means for producing same : en
  • USD90151S - Fernand bridier : en
  • GB394166A - Improvements in cinematographic apparatus : en
  • FR747790A - Improvement of water pipes in internal combustion engines : en fr
  • GB394347A - Improvements relating to adjustable bearings for shafts : en
  • GB394000A - Improvements in or relating to the manufacture of patent leather : en
  • GB394007A - Improvements in or relating to the manufacture of rubber compositions : en
  • DE578832C - Mining machine : de en
  • DE579201C - Rotatable loading table for transporting pellets from the press to the stacking area : de en
  • FR747896A - Washcloth : en fr
  • FR747775A - Improvements in the assembly of coil springs, in particular those used in the manufacture of cushions, elastic glazing beads, bed bases and the like : en fr
  • FR747679A - Apparatus for uncorking bottles and other similar containers : en fr
  • GB393988A - Improvements in and relating to the moulding of plastic substances, such as concrete and the like : en
  • FR42272E - Seat : en fr
  • FR747676A - Bell gasometer : en fr
  • FR747848A - Improvements to AC motors : en fr
  • GB394029A - An improved rotary internal combustion engine : en
  • US1914662A - Means for controlling temperature of lubricants : en
  • FR747797A - Aircraft landing gear improvements : en fr
  • FR42263E - Seat convertible into bed : en fr
  • DE578822C - Device for smoldering solid, especially bituminous substances, such as lignite and the like. : de en
  • FR42292E - Tobacco leaf threading machine : en fr
  • FR747852A - Device for retaining all flexible objects such as: tissues and the like : en fr
  • US1915247A - Work holding device for grinding machines : en
  • GB394003A - Improvements in or relating to burglar alarms : en
  • GB394140A - Improvements in electrical resistance connectors : en
  • FR747750A - Advanced chiller group : en fr
  • FR747853A - : fr
  • US1914881A - buehring : en
  • DE579126C - Injection mold for the production of threaded molded parts : de en
  • GB394202A - Improvements in or relating to portable talking motion picture apparatus : en
  • GB394022A - Improvements in or relating to warp-stop mechanisms for textile apparatus and machinery : en
  • FR747537A - Pumping installation for hydrocarbon tanks : en fr
  • CA333373A - Pumping mechanism : en fr
  • US1914989A - Casein composition for treating artificial silk yarns and threads or filaments : en
  • DE579156C - Mirror wheel arrangement for television and similar purposes : de en
  • US1914425A - Process of dehydrating fluorine compounds : en
  • US1914534A - Forming electrode surfaces : en
  • US1915251A - Distillation of tar : en
  • FR747755A - Process for the separation of mixed bodies dissolved in a liquid : en fr
  • GB394110A - Improved holder or support for telephone instruments : en
  • GB394190A - Improvements relating to recuperators : en
  • GB394280A - Improvements in or relating to the production of card clothing : en
  • DE578986C - Swivel device for the headlights of motor vehicles : de en
  • US1915145A - Five-horse draft equalizer : en
  • DE578810C - Key lever cash register with a receipt detection device : de en
  • DE579257C - Absorption vessel for gases and vapors : de en
  • GB394132A - Improvements in and relating to metal crates : en
  • US1914677A - Shock absorber : en
  • US1914791A - Perfume dispenser : en
  • US1914864A - Hat block : en
  • GB394189A - An improvements in means for waving and curling hair : en
  • GB394023A - Improvements in and relating to bed-like supports : en
  • GB394215A - Improvements in type actions for typewriting and like machines : en
  • GB394247A - Improvements in photographic cameras : en
  • GB394657A - Improvements in dispersing and emulsifying processes : en
  • IE12819L - Electric discharge tubes : en
  • FR747555A - Oscillator-modulator, in particular for frequency-changing receivers : en fr
  • GB393998A - Improvements in caps for multi-filament electric lamps : en
  • FR747787A - Reclining bench seat with reversible backrest : en fr
  • DE579033C - Process for the production of a solution of coal in mineral oils or tars : de en
  • GB394149A - Improvements in the process and plant for cooling or refrigerating fish, meat or other foods : en
  • US1914867A - Method of applying heads to metal drums : en
  • DE579334C - Collapsible scaffolding trestle for a protective scaffolding on the roof : de en
  • FR42289E - Vacuum drying stand by the heat of condensation of the pressurized drying vapors : en fr
  • FR747717A - Improvement in apparatus for numbering sheets of paper and the like : en fr
  • US1914433A - 4-chloro-1-aminoanthraquinone-2-sulphonic acid and process of preparing the same : en
  • US1915199A - Circuit panel : en
  • DE579051C - Eddy current tachometer : de en
  • DK47462C - Suction device in stone and clay mixed sand and gravel material. : da en
  • GB394299A - Improvements relating to the manufacture of combustible gas : en
  • DK47454C - Procedure and Device for Drying Molds of Molded Cardboard Pulp (Tissue Porridge). : da en
  • FR747661A - Semi-flexible sole in wood or other rigid materials for shoes : en fr
  • FR747867A - Arrangement for current recovery in driving load motors : en fr
  • FR747799A - Method and apparatus for the oxidation of tars and the like : en fr
  • US1914578A - Size indicating steady rest : en
  • US1914564A - Rack for disk gramophone records : en
  • USD90157S - Benjamin gross : en
  • US1914663A - Thread cutting temple for looms : en
  • DE579297C - Process for purifying liquid hydrocarbon mixtures : de en
  • DE579349C - Lamp moving device for copying light-sensitive planar surfaces : de en
  • FR747620A - Process for making dolls, parts of dolls, surprises or the like : en fr
  • FR747829A - : fr
  • US1914512A - Tube connecting device : en
  • US1914657A - Insulator bracket : en
  • US1915121A - Machine for arranging elongated articles lengthwise in rows and conveying the articles lengthwise of the rows : en
  • US1915177A - Radiocabinet : en
  • CA333341A - Differential motor : en fr
  • US1914553A - Antivibration device for automobiles and like vehicles : en
  • US1915241A - Winding machine : en
  • US1914442A - Machine for operating upon shoes : en
  • FR747824A - New cup-and-ball game : en fr
  • GB394350A - Improvements in or relating to gas fires : en
  • US1914472A - Casing head : en
  • US1914447A - Window : en
  • US1914924A - Switch : en
  • US1914645A - Valve for locomotive feed water heating systems : en
  • US1914988A - Dynamo-electric machine : en
  • US1914493A - Electrical switch : en
  • DE578907C - License plate with colored flashing license plates for motor vehicles : de en
  • GB394223A - Apparatus for filling bottles or the like : en
  • GB394659A - Elevated railways : en
  • US1914735A - Drilling bit : en
  • US1914902A - Manufacture and use of parasiticidal emulsions : en
  • DE579196C - Process for the production of weatherproof paints : de en
  • FR747663A - Control mechanism especially intended for switches and switches : en fr
  • FR747621A - Electric lamp control : en fr
  • DE578868C - Machine for cutting fish : de en
  • DE578946C - Process for alloying high-speed steel with tantalum : de en
  • GB394071A - New or improved method of and apparatus for charging retorts and the like : en
  • US1914790A - Hose patch : en
  • US1914932A - Illuminated display sign : en
  • DE579176C - Weighing device for the automatic, periodic and group-wise weighing of the cigarettes left out of a cigarette-making machine : de en
  • FR747855A - Lock for reverse stitch knitting machines, with jacquard device : en fr
  • GB394244A - Improvements in the manufacture of sheets or films from artificial polymerisation products : en
  • FR747825A - Instructions for use of thermogenic sachets for permanent hair waves : en fr
  • GB394089A - Improvements relating to printing machines : en
  • GB394134A - Improvements in detachable spring fasteners for buttons : en
  • FR747677A - mass-colored glass green screen, with correct tone for photography : en fr
  • FR747724A - Oval briquette press : en fr
  • DE579171C - Process for the production of rayon using the copper ammonia draw spinning process : de en
  • FR747521A - Process for forming metallic coatings on support materials of all kinds : en fr
  • GB394028A - Improvements in electric welding apparatus : en
  • FR747762A - Method of adjusting the self-inductance of an oscillating electric circuit : en fr
  • DE578909C - Bicycle or motorcycle lamp : de en
  • US1915234A - Combined child's vehicle and support : en
  • GB394156A - Improvements in or relating to cleaning devices for tobacco pipes : en
  • CA333447A - Upholstery stuffing machine : en fr
  • DE578935C - Pre-burning device on ovens for burning, roasting and sintering all kinds of goods : de en
  • DE579018C - Relaxing machine for sheet metal with a relaxation tool : de en
  • DE579141C - Device for treating gases or vapors with liquids : de en
  • DE579294C - Method and device for manufacturing and laying multi-conductor cables with individually leaded wires : de en
  • FR747662A - : fr
  • FR747770A - Locking device for automatic scale : en fr
  • FR747584A - Improvements in food processing and cutting : en fr
  • US1915020A - Umbrella holder : en
  • USD90175S - Design for a carpet : en
  • US1914365A - Golf game : en
  • US1914426A - Wind motor : en
  • US1914597A - Advertising device : en
  • US1914658A - Needle : en
  • FR747736A - Immersion plug straightener for projectiles : en fr
  • GB394152A - Improved method and device for heating bodies locally : en
  • CA333404A - Sheeted adhesive : en fr
  • DE579180C - Device for the isolation of specifically heavy minerals, especially precious metals, from finely ground rocks or earth : de en
  • FR747518A - Device for transforming direct current into polyphase current by means of discharge vessels controlled by grids : en fr
  • FR747653A - Universal joint : en fr
  • FR747897A - Signaling terminal : en fr
  • FR42261E - Process for the preparation of sulfonated bodies, and products obtained : en fr
  • US1914506A - Lever support : en
  • US1914916A - Tuft yarn carrier or tube-frame : en
  • US1914782A - Lawn mower handle attachment : en
  • GB394155A - Improvements in and relating to vehicle head-lamps : en
  • USPP68P - Snap dragon : en
  • US1914453A - Automobile radiator : en
  • US1914921A - Vj itmtss : en
  • CA333357A - Mixing valve : en fr
  • CA333467A - Shoe machine : en fr
  • US1914361A - Telephone system : en
  • US1914552A - Sewing machine : en
  • GB393994A - Improvements in and relating to heat-transferrers particularly applicable to feed-water heaters : en
  • US1915026A - Receptacle glued up from a paper blank and manufacturing process of the same : en
  • US1914759A - Packing for rotating shafts : en
  • US1915080A - Die shoe : en
  • US1915141A - Blow torch : en
  • DE579327C - Process for the production of an easily soluble sulfuric acid ester from reduced 1, 2, 2 ', 1'-anthraquinone azine : de en
  • FR747557A - Precision devices for measuring lengths : en fr
  • FR747941A - : fr
  • US1914854A - Cinematographic apparatus : en
  • US1914613A - Rod grab for heapable material : en
  • US1914871A - Fuse plug : en
  • GB394268A - Improvements in or relating to the cylinder-supporting frames of internal combustion engines : en
  • CA333474A - Sound reproducer : en fr
  • DE579253C - Lightweight panel : de en
  • DE579001C - Electrical layer or wound capacitor with a dielectric which consists wholly or partially of halogen compounds from aromatic or hydroaromatic hydrocarbons and contains an addition of substances that are suitable for giving it a more or less homogeneous structure : de en
  • DE579094C - Bomb thrower for aircraft or the like. : de en
  • US1914556A - Purification of maleic acid : en
  • US1914825A - Bathtub : en
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  • US1914951A - Suspending device : en
  • US1914530A - Method of producing noncrystalline explosive azide : en
  • US1914494A - Liquid heating and cooling apparatus : en
  • US1914357A - Telephone system : en
  • US1915063A - Hat making method and apparatus : en
  • US1914833A - Multiple wire drawing machine : en
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  • US1915091A - Method of heat treating white iron castings : en
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  • US1914461A - Photo enlarging and printing machine : en
  • US1914839A - Harvester thresher : en
  • US1914904A - Terminal post sealing structure : en
  • US1915248A - Horn : en
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  • GB394124A - Improvements relating to alkaline type electric accumulators : en
  • GB394150A - Improvements in and relating to the supply of materials : en
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  • FR747834A - Metal frame and its assembly process : en fr
  • FR747882A - Method for manufacturing crepé papers in the length direction and machine for its realization : en fr
  • GB394075A - An improved construction of hod for builders or others : en
  • CA333488A - Gate for trap nests : en fr
  • GB394010A - Improvements in mechanical bearings for rotary shafts : en
  • DE579090C - Grinding wheel, in particular for processing profiled wooden parts : de en
  • DK47444C - Device for Drying of animal, vegetable and mineral Raw materials and the like during simultaneous or alternating Use of Electroosmosis and Mechanical Pressing. : da en
  • US1914829A - Household filter : en
  • US1915183A - Metal keg : en
  • CA333416A - Sulphur and ammonium recovery from gases : en fr
  • DE578889C - Light metal pistons for internal combustion engines : de en
  • DE578988C - Security device against theft, in particular of motor vehicles : de en
  • US1914537A - Clutch mechanism for transmission gearing : en
  • US1914605A - Tacking mechanism for buttonhole sewing machines : en
  • US1914842A - Electrical synchronizing device : en
  • US1914884A - Thorium dioxide sol and method of making the same : en
  • DE578785C - Process for increasing the shelf life of mineral leathers : de en
  • US1915198A - Shaker conveyer : en
  • FR747511A - Collector for hot and cold water distribution : en fr
  • US1914819A - Prismatic reflector : en
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  • DE578999C - Adjustable dry plate rectifier system : de en
  • DE579378C - Procedure for testing the degree of dryness of liquid impregnating agents : de en
  • US1914913A - Pig pen : en
  • GB394261A - Improvements in edge reinforcements for paper and like sheets : en
  • FR747793A - Improvements to mechanical devices for driving flexible linear elements : en fr
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  • US1915216A - Track lubrication : en
  • GB394131A - Improvements in or relating to eye sunshields or the like : en
  • US1914563A - Nonchalking coating composition : en
  • US1914925A - Self sharpening safety razor : en
  • US1915083A - Coin holder : en
  • GB394054A - Improvements in or relating to conveying mechanism : en
  • GB394096A - Improvements in or relating to communication or high frequency cables : en
  • DE579145C - Process for the preparation of guanidine clusters of the pyridine series : de en
  • DE579336C - Process for the manufacture of abrasives : de en
  • GB394114A - Improvements in or relating to the refining of metals : en
  • GB394171A - System of separation between the positive and the negative electrodes of electric dry-cells : en
  • DE578984C - Switching device for gearboxes of motor vehicles : de en
  • US1915124A - Fluid pressure spraying apparatus : en
  • FR747512A - Electro-magnetic pendulum : en fr
  • US1915119A - Multicylinder block for air cooled engines and method of forming the same : en
  • US1914438A - Toy : en
  • US1914511A - Shoe or foot for legs of furniture : en
  • US1914794A - Self supporting hose : en
  • US1914660A - Rotary sharpening device : en
  • US1914885A - Shock absorbing mechanism for typewriting machines : en
  • US1915072A - Processing of viscose rayon : en
  • US1914729A - Chest : en
  • US1915034A - Device for treating coils or similar annular masses of spun filaments of artificial silk : en
  • GB394342A - Improvements in or relating to valve actuating mechanism for reciprocatory internal combustion engines : en
  • DE578971C - Control device for cash registers and calculating machines for printing individual amounts, subtotals and totals : de en
  • DE579167C - Left-left knitting machine : de en
  • US1914788A - Method of refining lead for use thereof in antifriction alloys containing other metals which are not adapted to be alloyed with lead : en
  • US1914814A - Antirolling pneumatic suspension device : en
  • AU888732A - Improvements in and relating to bottle washing machines : en
  • US1914587A - Method of finishing rounds : en
  • AU754332A - Improvements in electrical control apparatus and relays therefor : en
  • CA333469A - Wood heel : en fr
  • CA333354A - Butterfly valve : en fr
  • US1914928A - Coupling device : en
  • FR747652A - Shock absorber system for vehicle : en fr
  • CA333464A - Heel-seat forming machine : en fr
  • DE579134C - Machine for polishing facets on glass plates : de en
  • GB394133A - Improvements in or relating to mixing and stirring machines : en
  • GB394165A - Improvements in and relating to thermionic tubes : en
  • AU956132A - Improved means for removing moisture and water from turf or hard surfaces : en
  • DE579339C - Method and device for the continuous transition of the sound reproduction from one to a second optical sound reproduction device : de en
  • GB394377A - Improvements in and relating to gloves : en
  • US1914711A - Load lifting and discharging apparatus : en
  • US1915090A - Synchronous motor : en
  • US1915051A - Building material composition : en
  • DE579166C - Device for temperature control, in particular of electrically heated devices : de en
  • US1914967A - Burning rack : en
  • CA333486A - Spring structure : en fr
  • AU758032A - Improvements in or relating to high frequency feeder arrangements suitable for use with radio aerial systems : en
  • US1915045A - Waste basket : en
  • US1915189A - Garter clasp : en
  • US1915230A - Fixture attaching device : en
  • DE578941C - Process for the preparation of santonin derivatives : de en
  • GB394239A - Improvements in or relating to fastening devices for motor vehicle bonnets and the like : en
  • US1914374A - Riveting machine : en
  • US1914987A - Poultry feeder : en
  • DE578860C - Ringing device for circular knitting machines : de en
  • CA333493A - Wrecking implement : en fr
  • US1914811A - Joining metal parts including tubes : en
  • US1914681A - Air cleaner device : en
  • US1914877A - Apparatus for preparing glaucosil : en
  • US1914923A - Apparatus for graphiting sleeve bearings : en
  • CA333452A - Rocker screen : en fr
  • CA333443A - Display device : en fr
  • US1915070A - Receptacle for electric plugs : en
  • AU1178233A - Improved safety razor for special purposes : en
  • AU751232A - Improvements in or relating to high frequency electrical oscillation generators : en
  • CA333339A - Door check or closer : en fr
  • CA333333A - Sound recording device : en fr
  • CA333500A - Bottle cap : en fr
  • USD90174S - Field : en
  • US1914930A - Smoker's pipe : en
  • US1914468A - Body adjuster for deceased persons : en
  • US1915134A - Stabilizing means for vehicle springs : en
  • USD90178S - Design fob : en
  • AU772932A - Improvements in or relating in radio andother high frequency receivers : en
  • DK47459C - Multi-pole Fuse Cartridge, especially for protection of three-phase motors or motor leads. : da en
  • GB394351A - Improvement in spring assemblies for upholstery : en
  • FR747656A - Nail : en fr
  • CA333505A - Spiral conveyer belt : en fr
  • AU767132A - Improvements in and relating tothe treatment of meat and meat mixtures : en
  • US1914949A - Control mechanism for furnaces : en
  • US1915028A - Electric cigarette turning process and apparatus : en
  • US1914630A - Safety razor and combined hone and guard : en
  • FR747708A - Detergent for the skin : en fr
  • DK47456C - Apparatus for Spraying Materials in Sprayed Form. : da en
  • FR42299E - Machine for making, filling and sealing paper bags or the like : en fr
  • US1914462A - Rotary kiln : en
  • US1914861A - Refrigeration : en
  • AU659932A - Improvements in heating systems for combustible gas and valves therefor : en
  • CA333428A - Battery charging system : en fr
  • CA333492A - Grain blower unit : en fr
  • USD90182S - yotjng : en
  • US1914418A - Nose protector : en
  • US1914650A - Process of making pin type contact members : en
  • US1914971A - Lyeglass structure : en
  • US1914986A - Brake mechanism : en
  • US1915048A - of arlington : en
  • US1914775A - Gate supporting mechanism : en
  • US1915041A - Hose coupling : en
  • FR747629A - Process for the production of ice-cream glass plates having a marbled appearance : en fr
  • FR747795A - Process for manufacturing an insecticide, fungicide and fertilizer product and product obtained : en fr
  • FR747654A - : fr
  • US1915123A - Lever control head : en
  • DE579246C - Case made of cardboard, vulcanized fiber or the like. : de en
  • FR747533A - Improved gluing device : en fr
  • GB394103A - Improvements in or relating to filtering apparatus : en
  • GB394298A - Improvements in or relating to roentgen films having two sensitive coatings : en
  • FR747529A - Improvements to Overcoats, Raincoats and Similar Garments : en fr
  • US1914480A - Manually operable electric lamp cord reel : en
  • CA333415A - Absorbent cotton package : en fr
  • DE579169C - Thread extraction machine : de en
  • CA333435A - X-ray installation : en fr
  • CA333445A - Upholstering finishing welt : en fr
  • US1914915A - Seeding implement : en
  • CA333471A - Shower bath cabinet : en fr
  • US1914559A - Door construction : en
  • US1914743A - Automobile block : en
  • US1915006A - Dispensing container for nested articles : en
  • CA333481A - Peak voltage limiter : en fr
  • DE579263C - Injection carburetors for aircraft engines : de en
  • AU810932A - Improvements in or relating to automatic steering systems : en
  • AU818732A - Improvements in framing supports for pictures, photographs andthe like : en
  • US1914823A - Shelf clamp : en
  • USD90159S - Alexander kohut : en
  • USD90181S - Design fob : en
  • US1914679A - Prime mover control system : en
  • CA333470A - Rail motor car heating system : en fr
  • CA333411A - Brake cylinder piston : en fr
  • US1915118A - Roller bearing construction : en
  • US1915042A - Control system : en
  • US1915261A - Sash actuating device : en
  • CA333345A - Starting and ignition system : en fr
  • FR42258E - Method of edging carpets or other similar woven articles : en fr
  • US1914502A - Stamp canceling machine : en
  • US1915200A - Cop, cone or package and method of winding same : en
  • DE578944C - Device for loading ovens, especially electric arc ovens : de en
  • FR747766A - Filtering material for breathing apparatus, individual or collective : en fr
  • AU778632A - Improvements in or relating to electrical oscillation generators : en
  • US1915133A - Reel : en
  • US1914355A - Art of heating hydrocarbons : en
  • US1914395A - Current transformer : en
  • USD90170S - Design for a vanity box or similar article : en
  • CA333441A - Fibrous composition : en fr
  • DK47465C - Device for propelling sound films and similar band-shaped support means for acoustic recordings. : da en
  • FR747576A - : fr
  • FR747722A - Enhancements to Latex Coagulation Reservoirs : en fr
  • GB394082A - Improvements in or relating to the distillation of zinc and similar metals : en
  • BE397177A - : en
  • AU1041532A - Improvements in safety razors : en
  • FR747861A - Collector for the oyster industry : en fr
  • US1914443A - Landing net holder : en
  • CA333369A - Electric switch : en fr
  • US1915005A - Chuck and loading apparatus therefor : en
  • AU769632A - Improvements in or relating to radio receivers : en
  • US1914848A - Machine for sowing seeds : en
  • US1914993A - Rigid bailed connecter and connecter socket : en
  • US1914835A - Promoted catalyst and method of making the same : en
  • US1914818A - Dirigible head lamp for motor vehicles, automatically operated : en
  • USD90152S - Design fob a button : en
  • DE579374C - Process for soaking dry skins and fur of all kinds : de en
  • US1914364A - Method of inbreeding and cross-breeding for finer qualities in plants : en
  • DE579214C - Cutting device for mining machines : de en
  • FR747774A - Corrosion-resistant steels containing in particular chromium, copper and molybdenum : en fr
  • US1915151A - Egg carton : en
  • AU774232A - Improvements in or relating to television systems and to electrical wave systems : en
  • CA333326A - Shower bath cabinet : en fr
  • AU763232A - Improvements in or relating to radio receivers : en
  • US1914634A - Manufacture of electric discharge vessels : en
  • US1914771A - Control device : en
  • US1915232A - Multirange voltmeter-ammeter : en
  • CA333317A - Menthol isolation : en fr
  • US1914781A - Grip cap : en
  • DE579181C - Reading box : de en
  • CA333456A - Stove : en fr
  • US1914815A - Power feed for rock drills : en
  • US1915086A - Sluice box : en
  • US1914946A - Fuel consumption indicator : en
  • AU763132A - Improvements in or relating to shortwave receivers : en
  • CA333446A - Moulding : en fr
  • US1914821A - Bulk grain attachment for combines : en
  • US1915186A - Electrode for gaseous discharge tubes : en
  • DE578992C - Device for periodically feeding a certain number of cigarettes to a scale : de en
  • DE579112C - Manufacture of cyanamides : de en
  • GB394097A - Improvements in piezo-electric oscillators or resonators of tourmaline : en
  • USD90173S - Design fob a teakettle ob similab aeticle : en
  • US1914892A - Isobaric vacuum fumigation : en
  • GB394079A - Improvements in or relating to vehicle wheels : en
  • CA333402A - Key-responsive calculating machine : en fr
  • DE579152C - Buffers for railway vehicles : de en
  • DE579048C - Process for the preparation of synthetic compositions from vinyl halides : de en
  • DE579260C - Injection carburetor : de en
  • FR747761A - Improvements to magnetic speedometers : en fr
  • US1915105A - Grader : en
  • DE578979C - Automatic feeding device for cylindrical workpieces whose center of gravity is unequal to the ends : de en
  • US1914670A - Electrical apparatus : en
  • US1914859A - Loose binding or cover for periodicals and the like : en
  • CA333352A - Fastening device : en fr
  • US1914978A - Itates patj : en
  • USD90169S - Harold h : en
  • AU757932A - Improvements in or relating to television and like systems : en
  • DE579022C - Device for the distillation of high-boiling substances : de en
  • CA333472A - Selecting and distributing system : en fr
  • US1914694A - Concentration of phosphate-bearing material : en
  • US1915240A - Sewage purification : en
  • CA333430A - Anti-tarnishing material : en fr
  • FR747791A - Improvements to selenium photosensitive cells : en fr
  • USD90153S - Design for a dress buckle or similar article : en
  • US1914770A - Building construction : en
  • US1914800A - Hand tool : en
  • US1914370A - Vacuum cleaner dust bag : en
  • CA333475A - Thermionic tube amplifier : en fr
  • US1914888A - Fruit juice extractor : en
  • US1914477A - Heat exchanger method : en
  • CA333406A - Container seal : en fr
  • CA333359A - Ergot preparation : en fr
  • US1915185A - Capped electrical contact pin : en
  • US1914709A - Appliance plug : en
  • US1914446A - Tuning apparatus : en
  • US1914540A - Telephone system : en
  • DE578835C - Reversing device for washing machines : de en
  • DE579010C - Trailer coupling for semi-trailer : de en
  • FR747509A - Skill game : en fr
  • FR747567A - Pre-pressure sulphate self-filler : en fr
  • CA333399A - Alloy steel : en fr
  • US1914448A - Elevating and steering means for airplanes : en
  • US1914734A - Ear horn : en
  • US1914982A - Pressure operated control mechanism for thermostatically operated valves : en
  • US1915058A - Antivibration mechanism for blower casings : en
  • DE579085C - Device for calming the sea surface : de en
  • FR747644A - Ignition adjustment device controlled by hand, in particular by bowden cable : en fr
  • GB394135A - Improved construction of smoker's ash bowl : en
  • CA333379A - Cellulosic plastic composition : en fr
  • FR747606A - Electric lamp for headlights : en fr
  • US1914999A - Filtering used motor oils : en
  • AU833532A - Manufacture of alcohols : en
  • CA333400A - Rubber processing : en fr
  • US1914807A - Apparatus for folding, beating, and mixing batters : en
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  • GB394112A - An improved process of and apparatus for drying wood impregnated articles, and other materials : en
  • GB394160A - Process for electric arc welding : en
  • GB394961A - Improvements in or relating to devices for recording in connection with road traffic : en
  • GB394053A - Improvements in spring-loaded bolts and catches such as bonnet fasteners for vehicles : en
  • DE578998C - Electrical junction box for damp rooms with wall duct : de en
  • FR747618A - Chain tensioning device for any gear change due to chain derailment : en fr
  • AU655232A - Improvements invariable speed gears : en
  • US1914976A - Machine for coiling helical forms : en
  • US1914874A - Photographic camera : en
  • DE579183C - Drinking device on transport cages : de en
  • FR747577A - Timer switch with pneumatic relay : en fr
  • DK47452C - Device by Air Valves. : da en
  • FR747844A - Improvement in operating tables : en fr
  • US1914385A - Loading skip : en
  • US1914963A - Adjustable draft rigging : en
  • GB394228A - Improvements in or relating to fuel injection apparatus for internal combustion engines : en
  • GB394284A - Conical discs for centrifugal bowls provided with an inner reinforcement : en
  • FR747582A - Fixing device, more particularly intended for mounting a door knob or handle on its axis : en fr
  • US1914621A - Beet harvester : en
  • US1914866A - Combination kit : en
  • DE578866C - Process for decolorizing glass : de en
  • DE579361C - Hygienic, content-friendly pack for cigarettes, cigars, etc. : de en
  • GB394242A - Improvements in and relating to supports for helical springs : en
  • GB394360A - Improvements in or relating to telephone systems : en
  • IE12914L - Telegraphy : en
  • DE579261C - Injection carburetor with acceleration pump : de en
  • GB394101A - Improvements in or relating to trolley supports for vehicle bodies : en
  • DE579116C - Device for closing suction openings on suction rolls : de en
  • DE524604C - Regulator for power machines with pumping station : de en
  • DE579121C - Pole-changing asynchronous motor : de en
  • DE578846C - Arrangement of the inner bores for oil lubrication of heavily offset workpieces : de en
  • CA333491A - Paper making machine : en fr
  • GB394197A - Improved processes for the production of perfumes : en
  • US1914868A - Lather mixer : en
  • FR747849A - Process for the preparation of unalterable products containing phosphatides : en fr
  • FR42295E - Volume increasing device for maintaining the buoyancy of ships and other applications : en fr
  • FR747814A - Light modulator : en fr
  • GB394066A - Improvements in or relating to mechanical toys : en
  • DE579313C - Device for slowing down transmission of the movement between two mutually perpendicular waves : de en
  • DE579080C - Locking device for hinged cover, especially for hinged two-part protective hoods of gas protection devices : de en
  • GB394676A - Improvements in or relating to liquid fuel burners or injectors : en
  • FR747781A - : fr
  • FR747714A - Improvements to special anti-glare lenses for spectacles, visors, screens or similar articles : en fr
  • FR747862A - Semi-automatic lifting device for motor vehicles : en fr
  • GB394230A - Improvements in or relating to means for preventing heel slip in footwear : en
  • GB394076A - An improved shovel for separating coal, cinders and other substances from dust : en
  • FR747706A - Method for depositing electrolytic iron using hot solutions of iron salts : en fr
  • GB394030A - Improvements in load-indicating devices for cranes and the like : en
  • FR747646A - Angle measuring instrument : en fr
  • FR747802A - Device intended to supply the current necessary for the starting and operation on site of motor vehicles with battery ignition : en fr
  • GB394172A - Improvements relating to fastenings for doors : en
  • GB394339A - Improvements in or relating to the manufacture of cigarettes : en
  • GB394309A - Improvements in or relating to luminescent tube devices for testing sparking plugs : en
  • FR747502A - Improvements to seat guard devices and the seat numbering system : en fr
  • GB394060A - Improvements in or relating to electric plug and socket connectors : en
  • FR747739A - : fr
  • FR747605A - Improvements to statistical files classifying machines : en fr
  • FR42259E - Opening frame system for windows or others : en fr
  • FR747554A - Improvements to flexible couplings, in particular for pneumatic pumps : en fr
  • FR747639A - Purification process for metallic zinc : en fr
  • GB394106A - Improvements in apparatus for testing coins and the like by weight : en
  • GB394024A - Improvements in and relating to devices for the cracking of nuts : en
  • GB394107A - Improvements relating to pipe couplings : en
  • US1914774A - Method of coating vessels : en
  • CA333479A - Electrical protector device : en fr
  • CA333496A - Production of organic compounds containing oxygen : en fr
  • US1914726A - Film patch : en
  • USRE18874E - Fluid pbessube operated blow out peeventeb : en
  • DE578954C - Continuously changing ohmic resistance of constant self-induction : de en
  • FR747659A - Rubber toy consisting of several different figures and method for its manufacture : en fr
  • US1915243A - Method of producing chromium : en
  • US1914607A - Explosive toy : en
  • CA333487A - Ballast car : en fr
  • FR747595A - Process for obtaining non-ferrous metals from ores or the like : en fr
  • FR747884A - Apparatus for cooking pig's trotters or the like : en fr
  • FR747510A - Automatic feeder for steam boilers : en fr
  • GB394184A - Improvements in or relating to the continuous sorting and testing of yarns and threads : en
  • US1914905A - Valve structure for inspirators : en
  • GB394341A - Improvements in or relating to television receiving apparatus : en
  • GB394651A - Regulating device for fuel pumps of internal combustion engines : en
  • US1914764A - Centrifugal apparatus : en
  • US1915253A - Apparatus for ornamenting the surface of strip materials : en
  • US1914517A - Auxiliary starting means for motor vehicles : en
  • US1914758A - Machine for dyeing hanks and skeins of yarn and thread : en
  • US1915142A - Leg elevating means for trailers : en
  • US1914359A - Automatic railroad crossing gate : en
  • CA333362A - Wire coil forming device : en fr
  • US1914720A - Bracket construction : en
  • US1915222A - Bathroom scale : en
  • US1914942A - Dyeing, printing, or stenciling of materials made of or containing cellulose derivatives : en
  • US1915009A - Clamp : en
  • US1914742A - Filter and method of operation : en
  • US1914908A - Tensioning device for ironing machines : en
  • DE579124C - Ignition device for electric light tubes with two metal wires or bands entering from the tube ends into the tube interior : de en
  • US1914576A - Automatic temperature or pressure controller : en
  • FR42264E - Coupling, lifting and turning device for plow behind tractor : en fr
  • FR747535A - Sodium copper sulphate anhydrous, and method and devices for its manufacture : en fr
  • FR747647A - Utensil for cleaning windows and mirrors : en fr
  • GB394255A - Improvements in rangefinders : en
  • US1914710A - Fire extinguisher apparatus : en
  • DE579108C - Cistern with self-closing valve : de en
  • US1914974A - Thomas ernest mcgrail : en
  • US1915074A - Electric distribution system : en
  • US1914948A - Attachment for sewing machines : en
  • US1915260A - Process for treating oil : en
  • US1914452A - Wringer : en
  • FR42274E - Arrangement for converting variations in light intensity into variations in electrical operating states : en fr
  • FR747805A - Methods and devices for automatic or controlled adjustment for the operation of free-piston motor-compressors : en fr
  • FR747732A - Piston improvements : en fr
  • CA333322A - Electrolytic condenser : en fr
  • US1914878A - Cope for rail welding molds and method of forming the same : en
  • DE579190C - Device for extinguishing burning gases escaping from pipes : de en
  • GB394138A - Improvements in reeds or condensers for looms and the like : en
  • FR747546A - Process for cracking hydrocarbons by heating under pressure in the liquid phase : en fr
  • FR747696A - : fr
  • FR747674A - Automatic control device for liquid or gaseous fuel burners : en fr
  • GB394006A - Label delivering machine for moistening gummed labels and gumming or pasting labels : en
  • GB394108A - Improvements in and relating to light signals for railway and other purposes : en
  • US1915061A - Stock rack : en
  • US1914484A - Metallurgical furnace : en
  • FR747686A - Device for compensating, in automatic lathes, for differences in length between metal bars : en fr
  • DE579217C - Die for extrusion presses : de en
  • US1914388A - Weight recorder : en
  • US1914492A - Liquid and friction shock absorber for automobiles : en
  • US1914722A - Catalytic dehydration of organic compounds : en
  • US1914473A - Incubator : en
  • US1915054A - of wilmington : en
  • FR42297E - Improvement in cycle hubs, mopeds, and other vehicles with screwed freewheel gear drive : en fr
  • FR747630A - : fr
  • DE579387C - Process for joining thin metal layers : de en
  • DE577969C - Device for determining the parameter of a material, e.g. B. the weight per unit area of tape or sheet material : de en
  • DE579068C - Furnace in which the material to be treated is guided through the heating room by means of a conveyor chain : de en
  • FR747873A - Improvements relating to pin spreaders : en fr
  • FR747585A - Mixer valve for hydrotherapy : en fr
  • DE578936C - Device for the gradual advancement of paper u. Like. Tracks or any individual sheets : de en
  • FR747590A - Channel transporter : en fr
  • FR42270E - Fuel mixture for explosion engines and equipment for its realization : en fr
  • FR747596A - Brake improvements : en fr
  • FR42251E - Device for adjusting the forward or backward movement of automobile seats : en fr
  • FR42268E - Improvements to discharge tubes : en fr
  • FR747772A - Improvements to transmission pulleys : en fr
  • USD90176S - Design for a jar : en
  • FR747562A - New insecticide and its manufacturing process : en fr
  • FR747591A - Device for the maintenance of shoes, stoves, furniture or other : en fr
  • FR747573A - Universal trigger pump for all depths : en fr
  • GB394361A - Improvements in and relating to mercury arc rectifiers : en
  • DE579319C - Small motor for single-phase alternating current with windingless rotor, especially for controlling measuring devices : de en
  • GB394300A - Method for increasing the value of paraffin-base fuel oil : en
  • GB393990A - Improvements in or relating to cash registers of the key set and key operated type : en
  • FR747868A - Processes and installation for the manufacture and treatment of metals such as onte, steel, etc. : en fr
  • FR747506A - Improvements to be made to machines intended to manufacture types of packaging and to the packaging itself : en fr
  • FR747581A - Inlet device for free jet turbines : en fr
  • FR747524A - Frame for chairs, tables or other similar furniture : en fr
  • FR747550A - Device for automatically adjusting the water flow speed and preventing water hammer when closing the taps in the pipes : en fr
  • GB394102A - Improvements in screw dental presses and flasks for making dentures of nitro-cellulose material : en
  • DE578945C - Steel alloy : de en
  • DE579026C - Production of a basic, hydrate aluminum sulphate : de en
  • DE578906C - Toggle lever spreading device for a motor vehicle brake : de en
  • DE578948C - Inevitable wheel steering by means of guide rollers attached to a central guide rail : de en
  • DE579040C - Duct cooling furnace for glass panels : de en
  • GB394337A - Improvements in or relating to heating, warming and/or cooking appliances : en
  • FR747571A - Sales device : en fr
  • FR747610A - Fishing rod : en fr
  • DE578515C - Reservoir for flow-controlled valves : de en
  • DE579270C - Internal clamping device for processing thin-walled, especially round hollow bodies : de en
  • US1915193A - Headlight : en
  • US1915235A - Binding for the unselvaged edges of fabrics : en
  • AU1263361A - Improvements in or relating toan apparatus for continuous casting of metal : en
  • DE579147C - Process for the production of easily soluble salts of bile acids : de en
  • FR42267E - Evaporator burner for petroleum and similar fuel heaters : en fr
  • DE578904C - Slidable top, especially for cars : de en
  • GB394237A - Improvements in valves, particularly for use with sprayers : en
  • GB394258A - Improvements in and relating to air blowers : en
  • GB394287A - Improvements in and relating to electric motors : en
  • US1914445A - Vat dyestuffs of the di-thionaphthenylene-quinone series and a process of preparing them : en
  • US1914360A - Electrical connecting device : en
  • US1914672A - Four-stroke internal combustion engine : en
  • US1914994A - Cooling unit for refrigerating apparatus : en
  • US1915049A - Automatic safety device for cloth cutting machines : en
  • US1914465A - Process for producing 1.1.2-tri-chloro-ethane : en
  • US1915110A - Nonslippable shoe tongue : en
  • CA333444A - Window channel : en fr
  • US1914686A - Method of standardizing peas : en
  • US1914705A - Typewriting machine : en
  • US1915257A - Machine for the manufacture of sheet metal tubes and other tubular members : en
  • US1914475A - Journal box : en
  • US1914792A - One sleeve combustion engine : en
  • US1914965A - Tire chain cross member : en
  • US1915210A - Ice cream cone : en
  • FR747501A - Automatic firearm using gas pressure : en fr
  • CA333480A - Article testing and sorting apparatus : en fr
  • DE578989C - Grinding wheel with anchoring nuts embedded in the back : de en
  • FR747651A - Operating mechanism for fixed pivot weighbridge or pendulum drawbridge : en fr
  • GB394234A - Improvements in or relating to shock absorbing devices : en
  • DE579284C - Device for sliding shoes and other leather goods : de en
  • FR747556A - Oscillator-modulator, in particular for superheterodyne receivers : en fr
  • GB394248A - Improvements in or relating to duplicators : en
  • US1914526A - Paper manufacture : en
  • US1914678A - Automobile transmission : en
  • US1915220A - Ice cream freezer : en
  • US1914372A - Base door : en
  • DE578913C - Thread contact for alarm systems : de en
  • DE579320C - Circuit arrangement, which gives the possibility to connect the same consumer device to different mains voltages : de en
  • CA333332A - Direction indicator : en fr
  • US1915104A - Cylinder head cooling system : en
  • US1914575A - Disk wheel hub : en
  • US1914377A - Locomotive steam dome : en
  • US1914400A - Hydraulically operated machine tool : en
  • US1914417A - Concrete building : en
  • US1914972A - Self-setting animal trap : en
  • US1915007A - Collapsible toilet kit : en
  • US1914547A - Paper receptacle : en
  • CA333327A - Hot air furnace mechanism : en fr
  • DE579233C - Twin steam engine with lowering brake control for the hoist of a steam crane : de en
  • FR747898A - Unalterable decoration process by colored glass and foil metallized : en fr
  • GB394363A - Improvements relating to electrically operated clocks : en
  • US1914750A - Method of preparing phosphorus pentachloride : en
  • US1915114A - Folding luggage carrier : en
  • US1914409A - Closure for metallic containers : en
  • US1915130A - Handle for coffeepots and the like : en
  • US1914936A - Sewing machine : en
  • US1915214A - Combination ash receiver and beverage container support : en
  • US1914783A - Sound amplifier : en
  • US1914896A - Lubricant dispensing apparatus : en
  • US1915149A - Railway car : en
  • US1914397A - Dust shield for warm air registers : en
  • US1914762A - Cathode glow discharge device : en
  • US1915158A - Car wheel : en
  • US1915166A - Steam boiler system : en
  • CA333455A - Telegraph transmitter : en fr
  • US1914998A - Battery terminal clamp : en
  • US1914618A - Power transmission mechanism : en
  • US1915098A - Frost shield : en
  • US1914669A - Fender : en
  • US1914382A - Supercharger for internal combustion engines : en
  • US1915103A - Apparatus for winding filter ribbon : en
  • US1914486A - Mechanical stoker : en
  • US1914624A - Brake cylinder piston lock : en
  • US1914673A - Tank support : en
  • USD90155S - Walter parks gray : en
  • US1914521A - Hoisting structure for ground working implements : en
  • CA333394A - Fibrous product preservation : en fr
  • US1914393A - Valve and generator assembly : en
  • US1914834A - Vacuum cleaning apparatus : en
  • FR747792A - Multiple contactor enhancements : en fr
  • DE579245C - Fast turning molding machine : de en
  • DE579301C - Device for lifting and pressing the saw arm on hacksaw machines : de en
  • US1914822A - Kite : en
  • DE578816C - Decorative mirror : de en
  • DE579205C - Electrical resistance and process for its manufacture : de en
  • CA333459A - Lubricating oil : en fr
  • US1914702A - Theftproof lamp : en
  • FR747645A - Horizontal mounted turbine with electric current generators : en fr
  • FR747788A - Application of mechanical thermo-compression : en fr
  • GB394203A - Instrument for registering "bridge" card game scores : en
  • DE578887C - Stamp for pressing in butter : de en
  • USD90172S - Gardiner c : en
  • US1914419A - Hedge trimmer : en
  • US1914383A - Telephone system : en
  • DE579047C - Method of making spinning pots : de en
  • DE578978C - Procedure for indexing toothed workpieces, e.g. B. saws, in filing devices : de en
  • DE578908C - Air pump with connection device : de en
  • FR747599A - Method for sensitizing photographic emulsions of a silver halide : en fr
  • GB394175A - Improvements in metallic packings for pistons, piston valves and the like : en
  • CA333473A - Cable covering edge finishing machine : en fr
  • DE578963C - Device for separating water and air from the steam in steam circuit heating systems : de en
  • AU951332A - Driving mechanism : en
  • US1915011A - Elements of construction : en
  • DE578872C - Standing boiler for hot water heating : de en
  • FR747604A - : fr
  • GB394243A - Improvements in or relating to rings for marking birds and animals : en
  • CA333477A - Battery control system : en fr
  • AU689332A - Amendment : en
  • CA333465A - Shoe machine : en fr
  • US1914479A - Shock absorbing mechanism : en
  • US1914523A - Gas burner : en
  • US1914832A - Machine for scraping the floor : en
  • US1914629A - Electrical network : en
  • DE578687C - Post atomizer for carburetor mixtures : de en
  • DE579213C - Completely separable zipper : de en
  • GB394275A - Process for the production of reguline ferroboron : en
  • CA333363A - Laundry marker attacher : en fr
  • CA333390A - Relay apparatus : en fr
  • CA333424A - Food product : en fr
  • DE579140C - Machine for brushing powder puffs : de en
  • GB394222A - A moisture and air-tight container or carton : en
  • GB394005A - Improvements in or relating to picture sound films : en
  • DE578987C - Auxiliary headlights, especially for motor vehicles : de en
  • DE579389C - Process for producing gas exhaust ducts in the charging of chamber furnaces : de en
  • US1914695A - Concentration of phosphate-bearing material : en
  • FR747541A - Improvements to tracked vehicles : en fr
  • GB394125A - Improvements in and relating to coin freed mechanisms for prepayment meters : en
  • US1914545A - System and apparatus for regulation : en
  • GB394267A - Improvements in or relating to radio and like receivers : en
  • AU765132A - Improvements in and relating to handgrips for golf clubs, tennis rackets andthe like : en
  • CA333397A - Valve closed metal container : en fr
  • DE578960C - Water-cooled mold with a retracted metal sleeve for the production of centrifugally cast pipes : de en
  • USD90163S - murray : en
  • US1915055A - Aeroplane : en
  • FR747771A - Removable and demountable mask of marble or similar material for radiators and similar devices : en fr
  • DE579234C - Printing device for single or multi-line printing with adjustable type chains : de en
  • FR747637A - Process for removing iron from acidic chromium salt solutions : en fr
  • FR42254E - Pneumatic braking device for rail vehicles : en fr
  • FR747763A - Process for the production of yoghurt and applications of said process : en fr
  • FR747713A - Metal packaging for thin razor blades with automatic blade insertion and extraction : en fr
  • DE579073C - Heater for indirect heating of cooking liquids used in the manufacture of pulp : de en
  • GB393984A - Improvements in or relating to liquid level regulators, more especially for steam boilers : en
  • DE579011C - Damping device for a clutch of motor vehicles : de en
  • FR747683A - Floor polish machine : en fr
  • GB394069A - Improvements relating to the operation and control of signalling devices for road vehicles : en
  • US1914812A - Humidifier : en
  • GB394164A - Improvements in or relating to current collectors for electric railways : en
  • FR747877A - Folding table : en fr
  • US1914876A - Sheet metal roof : en
  • US1915165A - Refrigerating unit : en
  • FR747748A - Improvements to electrical line protection devices : en fr
  • GB394183A - Improvements in communication with ultra-short waves : en
  • FR747800A - Kitchen grill : en fr
  • FR42298E - Improved method and devices for effecting combustion in internal combustion engines of the liquid fuel injection and compression ignition type : en fr
  • FR747733A - Improvement in metal supports for rails : en fr
  • FR747632A - Device for locking and releasing the freewheel inserted in the drive shaft line of a motor car : en fr
  • FR747694A - : fr
  • FR747810A - Process, machine and tool for manufacturing screw drive members and screws comprising said members : en fr
  • FR747602A - Siphon control device for water closet cisterns : en fr
  • GB394272A - Stock quotation projecting machines : en
  • DE579208C - Method of crushing carbide : de en
  • DE579069C - Tool head, in particular for trimming and mirroring nuts : de en
  • DE579272C - Machine tool for machining the inner part of a rotary piston machine : de en
  • DE579199C - Cone with a metallic base : de en
  • USD90179S - Jacob a : en
  • CA333420A - Automatic phonograph : en fr
  • US1915129A - Handle for coffeepots and the like : en
  • DE579131C - Kine playback device : de en
  • GB394249A - Improvements in and relating to the welding of tubes by drawing : en
  • CA333499A - Pipe swaging tool : en fr
  • US1914628A - Friction shock absorbing mechanism : en
  • US1914751A - High voltage transformer : en
  • US1914538A - Steam generator : en
  • GB394031A - Manufacture of knife handles : en
  • DE579215C - Offset pipe elbow : de en
  • US1915233A - Warp beam : en
  • US1915050A - Regulating system : en
  • DE578930C - Device for sound recording for the sound film : de en
  • DE579326C - Process for the production of nitrogenous cow dyes : de en
  • DE579037C - Process for the wet treatment of artificial silk cake : de en
  • DE579277C - Switching device for change gears, especially for motor vehicles : de en
  • DE579173C - Template for inserting hooks or bolts into walls : de en
  • FR747558A - Advanced process for preparing a strong anti-solidifier for lubricating oils : en fr
  • FR747609A - Improvements to automotive gearboxes : en fr
  • FR747631A - Prepaid automatic telephone station : en fr
  • US1914732A - Play horse : en
  • USD90149S - Fernand bridier : en
  • US1914476A - Smoke consumer and fuel economizer : en
  • US1915137A - Thermostatic apparatus : en
  • DE579013C - Fastening of two cylinder locks arranged on both sides of the door lock : de en
  • DE579200C - Filling device, especially for concrete mixers : de en
  • DE579009C - Roller milling machine with a length larger in relation to the diameter and a jacket made of high quality tool steel attached to a core made of ordinary steel : de en
  • DE579273C - Process for the production of grainy, homogeneously solidified fat masses : de en
  • FR747729A - Chalk holder, especially for tailors : en fr
  • FR747827A - Flashlight holder clamp : en fr
  • AU846032A - Improved disinfectant : en
  • FR42265E - Can opener : en fr
  • CA333356A - Visual effect production : en fr
  • US1914640A - Memorandum pad : en
  • DE579359C - Feed circuit for the tool on gates, cut-off saws and similar machines for rock u. like : de en
  • GB394355A - Improvements in or relating to electrical apparatus for measuring, indicating, protective or other purposes : en
  • DE579067C - Device for electrolytic chrome plating : de en
  • DK47464C - Holder for stair runners. : da en
  • GB394163A - Improvements in sack sewing machines : en
  • US1914755A - Portable window cleaner : en
  • DE578929C - Clamping mechanism with ball friction drive, especially for driving the counter of gas meters : de en
  • US1915213A - Card case : en
  • US1915167A - Hydraulic signal actuator : en
  • US1914887A - Wireless telegraph and telephone aerial : en
  • US1914579A - Auxiliary melting pot : en
  • US1914837A - Windrow header : en
  • AU976132A - Improved method of and apparatus for ventilating rooms andother structures : en
  • FR747517A - Method and device for rationally carrying out adsorption operations : en fr
  • US1914515A - Mechanical toy : en
  • CA333439A - Pipe welding apparatus : en fr
  • US1914404A - Treatment of leucite and like minerals : en
  • US1914996A - Wheel : en
  • US1914741A - Expansion joint : en
  • US1914813A - Torque conversion and transmission : en
  • US1915228A - Manufacture and production of artificial filaments, threads, bands, and the like : en
  • US1914975A - Wire straightening device : en
  • GB394120A - Method of treating plants in order to obtain therefrom textile fibres : en
  • US1914501A - Tool : en
  • CA333457A - Plastic composition : en fr
  • DE578291C - Arrangement for the regulation of synchronous machines working in parallel : de en
  • FR747731A - Device for the use, as sharp tools, of used automatic razor blades : en fr
  • FR747740A - : fr
  • GB394297A - Improvements in or relating to water-tube generators for steam-or other vapour : en
  • US1914485A - Mechanical stoker : en
  • CA333485A - Golf club shaft : en fr
  • US1914926A - Hydraulic impulse turbine : en
  • US1915184A - Manufacture of wire mesh and the like for concrete reenforcement and other purposes : en
  • GB394208A - Improved positive carbon copy bookkeeping and apparatus for carrying out same : en
  • DE579081C - License plate for motor vehicles : de en
  • US1914542A - Door stop and holder : en
  • US1914985A - Testing device : en
  • GB394011A - Improvements in or relating to aerial systems and electrical power systems for use in association therewith : en
  • US1914850A - Circular orchard sprinkler : en
  • US1914456A - Sheet gripping device of printing machines : en
  • US1915227A - Container : en
  • US1914666A - Sheet dispensing cabinet : en
  • FR747808A - Safety device for conveyor trolleys of cofferdam beams, cranes or other lifting devices : en fr
  • FR747697A - Photographic shutter : en fr
  • DE579114C - Process for the production of alumina : de en
  • FR747527A - Trimmed for umbrella branches : en fr
  • GB394127A - Devices for attaching rails to a concrete sleeper : en
  • AU993132A - Improvements in hydraulic couplings : en
  • DE578972C - Pest repellants : de en
  • DE579332C - Cooking device for milk or other liquids that foam up during boiling : de en
  • FR747721A - Fluid for brakes and hydraulic transmissions : en fr
  • FR747566A - hollow hearth grate element : en fr
  • FR747725A - Improvements to non-slip devices for wheels of motor vehicles or others : en fr
  • GB394296A - Improvements in rotary piston pumps : en
  • FR747544A - Improvements to gas burner injectors : en fr
  • FR747728A - Improved compositions based on cellulose derivatives and application of these compositions : en fr
  • GB394286A - Improvements in devices illuminating microscopic objects with incident light : en
  • FR42286E - Aircraft stabilizer : en fr
  • GB394308A - An improved reinforced or armoured glass and process of making the same : en
  • FR42279E - Corrugated sheet metal containers : en fr
  • GB394037A - Improvements relating to the manufacture of cartridge cases : en
  • GB394086A - Process for dehydrating organic liquids and apparatus therefor : en
  • DE578890C - Multi-cylinder four-stroke carburetor engine : de en
  • US1914592A - Sound absorbing material and process for making same : en
  • US1914895A - Desiccating method and apparatus : en
  • US1915181A - Cattle guard : en
  • US1914454A - Windshield heater : en
  • US1914535A - Automatic switching apparatus : en
  • US1914937A - Apparatus for reading colors : en
  • AU762032A - Process forthe manufacture of metallic magnesium from magnesium oxide : en
  • DE579310C - Process for the production of gland hormones : de en
  • US1914804A - Method and apparatus for treatment of chromite ores : en
  • US1914860A - Fruit slicing machine : en
  • US1914955A - Furnace : en
  • DE578943C - Air-cooled refrigeration unit : de en
  • FR747538A - Improvements to stores for cinematographic cameras : en fr
  • FR747643A - Paper bag, dust collector, for vacuum cleaning devices : en fr
  • GB394032A - Improvements in or relating to radio or other high frequency signalling systems : en
  • GB394040A - Improvements in or relating to the construction of vehicle bodies : en
  • FR747883A - Device for continuously extracting and discharging at atmospheric pressure a liquid contained in a receptacle where there is a vacuum, even absolute : en fr
  • GB394061A - A railway superelevation gauge : en
  • GB394331A - Improvements in or relating to holders for chalk such as used by tailors and others : en
  • US1914550A - Packing case : en
  • US1914826A - Rathtub : en
  • US1915238A - Reel : en
  • US1914375A - Feeding and moistening gummed tape : en
  • US1915003A - Conduit : en
  • IE12528L - Discharge tubes : en
  • US1915027A - Moistureproof paper container with closure : en
  • US1915046A - Merchandising table : en
  • US1914505A - Mining machine : en
  • US1914992A - Agricultural implement : en
  • US1915139A - Combination machine tool : en
  • CA333377A - Wood block floor : en fr
  • DE579012C - Removable, foldable hood for vehicles : de en
  • DE579295C - Electrical AC breaker : de en
  • DE579376C - Device for determining gas metabolism (respiratory apparatus) : de en
  • US1914693A - Chair : en
  • DE578809C - Cash register or accounting machine with capacity increase adders : de en
  • DE571017C - Process for shading colored glasses to red : de en
  • US1914799A - Manufacture of paper : en
  • US1914898A - Method of transmitting telegrams and pictures on short waves : en
  • USD90180S - Design for a support for lawn sprinkler : en
  • US1914652A - Toy drum : en
  • CA333334A - Harvester canvas holder : en fr
  • CA333422A - Food product : en fr
  • FR747726A - Collapsible barrel : en fr
  • DE523228C - Regulator for power machines with pumping station and a quantity-dependent regulating device : de en
  • USPP67P - Hybrid tea rose : en
  • DE576268C - Device for remote reading, remote registration, etc. of a changing physical or chemical quantity : de en
  • DE578950C - Device for suspending electrical overhead cables : de en
  • US1914828A - Apparatus for feeding pulverized fuel : en
  • DE578864C - Device for cleaning castings using pressurized water in a cleaning house : de en
  • DE579020C - Device for punching the spoke holes in a sheet metal hub intended for wire spoke wheels : de en
  • US1914428A - Capacitance coupling circuits : en
  • DE579371C - Process and device for the production of crystals from solutions : de en
  • FR747854A - Improvements in high frequency current generating stations : en fr
  • GB394364A - Superheterodyne receiver for wireless signalling : en
  • DE578900C - Two-stage or multi-stage, liquid-operated jet pump for pumping liquid : de en
  • DE578947C - Tunnel or tunnel excavation shield made of U-shaped excavation knives : de en
  • US1915085A - Safety glass : en
  • US1914625A - Shuttle for cops and electric feelers : en
  • US1915053A - Centrifugal spiral agitator : en
  • US1915266A - Compressor : en
  • GB394185A - Improvements in cinematographic reversal processes : en
  • DE579347C - Process for the production of a long-life malt preparation that is easily soluble in milk and other liquids : de en
  • DE578837C - Laundry dryer for balconies : de en
  • FR747568A - Improvements to pedestal tables for coffee rooms : en fr
  • FR747756A - Compound fabric, with a decorated surface, and its manufacturing process : en fr
  • DE578855C - Method and device for electrical resistance seam welding using the roller step method : de en
  • DE578854C - Multi-part screw socket for incandescent lamps with a safety device that prevents the socket cap from being unscrewed when the lamp is screwed in : de en
  • FR747871A - Armored lining for soles and heels and its manufacturing process : en fr
  • US1914491A - Textile material and method of making the same : en
  • US1914568A - Heel concaving machine : en
  • GB394144A - Improvements in or relating to change speed and like transmission mechanism : en
  • FR42283E - Improvements to electrical servo systems : en fr
  • FR747563A - Roller bearings improvements : en fr
  • FR747870A - Improvements to tobacco delivery mechanisms for cigarette making machines : en fr
  • US1914824A - Process for the preparation of humous colloids : en
  • DE579107C - Drinking water dispenser : de en
  • DE579115C - Device for cleaning of superheated limit steam : de en
  • USD90145S - arnold : en
  • FR747822A - Device giving the appearance of a tie knot : en fr
  • US1914394A - High potential transmission installation : en
  • DE579342C - Self-collecting mailbox : de en
  • GB394154A - Improvements in and relating to vehicle head-lamps : en
  • FR747564A - Valve refinements : en fr
  • US1914423A - Water supply system and valve therefor : en
  • DE579075C - Device for cleaning pulp : de en
  • FR747801A - : fr
  • US1915039A - Process of flocculating negatively charged emulsoids from a disperse medium : en
  • US1915211A - Rolled cone wafer baking mold : en
  • GB394716A - Improvements in or relating to light measuring devices for photographic cameras : en
  • US1915168A - Variable transformer structure : en
  • US1914498A - Pump : en
  • US1914768A - Process of producing pure aluminium combinations adapted for the production of aluminium : en
  • US1915031A - Slug casting machine : en
  • DE578991C - Method for piecing threads : de en
  • GB394241A - Hollow building construction element for floors, foundations and the like : en
  • GB394146A - Improvements in apparatus for sandwich pressing and cutting : en
  • DE578977C - Saegenschraenkvorrichtung for long and circular saw blades : de en
  • DE579029C - Heating furnace : de en
  • DE579137C - Box or apron conveyor : de en
  • FR747878A - Air suction conveyor : en fr
  • GB394045A - Improvements in and relating to electric control systems for elevators : en
  • DE579300C - Two-stroke diesel engine with direct airless fuel injection and slot control : de en
  • DE579377C - Process for the production of low-protein raw rubber from rubber milk : de en
  • DE579354C - Pen box : de en
  • GB393996A - Improvements in or relating to the surface treatment of aluminium or aluminium alloys : en
  • FR747534A - Improvements to brushes, brooms and similar maintenance items : en fr
  • FR747765A - Indicator device with luminous inscription : en fr
  • GB394265A - Improvements in or relating to vehicle doors : en
  • US1914516A - Wrist pin connection : en
  • FR747561A - Improvements to pectin and its manufacture : en fr
  • FR747880A - : fr
  • FR747700A - Hanging file filing system : en fr
  • FR747710A - Improvements to vehicle headlights and devices applicable to such headlights : en fr
  • GB394009A - Improvements in or relating to knitting machines : en
  • GB394198A - Improvements in or relating to paper folding machines : en
  • US1914649A - Toaster : en
  • CA333476A - Acoustic device : en fr
  • FR42296E - Mechanical fireplace : en fr
  • FR747612A - Cover for vehicle wheel tires : en fr
  • GB394178A - Radio receiving arrangement : en
  • GB394225A - Improvements in pneumatic cleaners : en
  • DE579030C - Window wipers, especially for rail vehicles : de en
  • DE579144C - Process for obtaining crystallized sulphates of iron and other heavy metals : de en
  • FR42285E - Process for manufacturing high value rubber-like products : en fr
  • FR747900A - Groundwater catchment process : en fr
  • GB394231A - Improvements in brushes : en
  • DE578879C - Metal cuvette for Kerr cells : de en
  • FR747513A - Improvements to metal boxes : en fr
  • GB394169A - Improvements in and relating to the manufacture of trays, shelving or the like : en
  • FR747578A - Device to facilitate the tipping of dumper boxes and other uses : en fr
  • GB394217A - Process and apparatus for the after treatment of artificial silk : en
  • DE578919C - Train protection system : de en
  • GB394042A - Improvements in filtering methods and apparatus : en
  • GB394209A - Improvements in or relating to devices for counting the key taps of typewriting and like machines : en
  • FR42281E - Shoe : en fr
  • FR747889A - Advanced internal combustion engine : en fr
  • FR747741A - Provisions applicable to kitchen ovens and stoves, in particular electrically heated : en fr
  • FR747840A - Tiles, rubble stones and slabs for construction : en fr
  • GB394090A - Improvements in alignment gauges for the wheels of vehicles : en
  • GB394113A - An improved exchangeable and interchangeable heel tap for boots and shoes : en
  • DE578903C - Motor vehicle, the wheels of which can be approached or removed from the chassis or car body in the horizontal direction : de en
  • DE579017C - Adjustable closure for belt or the like. : de en
  • DE579159C - Arrangement for automatic current limitation with glow lamps : de en
  • DE579218C - Process for the finishing of textile fibers and fabrics : de en
  • DE579343C - Potato harvester with throwing gear and catching and depositing drum arranged to the side of this : de en
  • FR747738A - : fr
  • DE579252C - Metal ladder with bars made of profile supports or angle iron or the like and rungs made of pipes : de en
  • FR747583A - Process for the production of new polymerization products : en fr
  • DE578850C - Method for sending a guideline recognizable as a location of the same reception strength of two very short-wave bundles of rays : de en
  • DE579038C - Surgical needle : de en
  • DE579042C - Window cleaning and polishing device : de en
  • FR747876A - : fr
  • GB394058A - Improvements in or relating to paper folding machines : en
  • GB394207A - Improvements in or relating to machines for forming rolls or balls of sliver or the like : en
  • DK47460C - Method for Manufacturing Layers of a Plastic Mortar. : da en
  • FR747705A - Improvements to coupling systems in powerline transmissions : en fr
  • FR747856A - Improvements to jointing and ribbing construction elements : en fr
  • US1914368A - Coupling for hose : en
  • DE578927C - Tiltable cupola front hearth : de en
  • DE579045C - Lifting device : de en
  • GB394048A - Improvements in internal combustion engines of the liquid fuel injection type : en
  • US1914997A - Manufacture of brake shoes : en
  • USRE18875E - Assiqnob to the powers begulatob : en
  • FR747675A - Folding scissors : en fr
  • DE578914C - Device on wrapping machines for separating square tablets, drops, etc. from a work piece : de en
  • DE579119C - Device for laying high-voltage and low-voltage cables and pipelines in the earth : de en
  • US1915147A - Tire building apparatus : en
  • FR747759A - Method for the advertising presentation of any articles : en fr
  • US1914894A - Cone : en
  • DK47451C - Divan. : da en
  • FR42294E - Small loom for bias weaving : en fr
  • GB394200A - Circuit breaker contacts for large currents : en
  • GB394307A - Improvements in brake drums for vehicle wheels : en
  • FR747796A - Vertical axis boiler and its applications : en fr
  • DE578892C - Hydraulic press for forging and bending work with movable crosshead : de en
  • CA333497A - Cellulosic material processing : en fr
  • FR747754A - Improvements to temperature exchangers : en fr
  • US1914436A - Insulator : en
  • FR747875A - Improvements to non-slip devices for wheels of motor vehicles or others : en fr
  • FR747657A - Process for extracting lead and other metals from sulphide ores : en fr
  • FR747836A - Device for lifting motor vehicles for loading onto ships, railway platforms and others : en fr
  • US1915112A - Hanger for towels and the like : en
  • DE579346C - Device for the automatic shutdown of rotating arms : de en
  • DE579323C - Process for the preparation of 1íñ 4-diaminoanthraquinone-2íñ 3-disulfonic acid : de en
  • FR747899A - New radio-electric oscillating circuit, using a multiple action of the harmonics of the fundamental wave : en fr
  • DE579120C - Tirrill controller for roller reversing motors : de en
  • DK47446C - Arrangement of electric lamps with projectors, in particular for motor vehicles and bicycles, intentional provision of sidelights and glare prevention. : da en
  • FR747723A - Vulcanizing press : en fr
  • GB394064A - Improvements in filters : en
  • DE576235C - Car glass pane : de en
  • DE579391C - Process for the preparation of 1,3-dialkylpyridazones substituted in the 5-position : de en
  • FR747669A - : fr
  • FR747864A - Azo dyes particularly suitable for dyeing cellulose ethers : en fr
  • DE579280C - Device for spherical grinding of circular knives : de en
  • FR42275E - Arrangement for converting variations in light intensity into variations in electrical operating states : en fr
  • FR747863A - Automatic mechanism for games such as Russian billiards etc. : en fr
  • AU911332A - Means and method of preserving food and delicacies, likewise fruits andother easily perishable substances of all kinds : en
  • US1914714A - Electromotor : en
  • US1915252A - Method for ornamenting the surface of strip materials : en
  • US1915258A - Sheet feeding apparatus : en
  • US1914684A - Rail anchor : en
  • CA333408A - Drill sharpening machine : en fr
  • DE575819C - Regulator for power machines according to patent 522119 with flow rate slide and pressure slide : de en
  • FR747642A - New coloring matters containing at least one heterocyclic ring : en fr
  • GB394167A - Improvements in or relating to conveyor troughs : en
  • AU748732A - Improvements in protective linings for concrete pipes or concrete lined steel or cast iron pipes : en
  • FR747773A - Improvements to the assembly of umbrella straps : en fr
  • GB394283A - Improvements in multiple drawer coin-freed vending apparatus : en
  • GB394356A - Improvements in or relating to cooking apparatus : en
  • DE579023C - Device for electrodialytic cleaning of fluids : de en
  • DE579363C - Locomotive or railcar for plate tapes that run on rails : de en
  • GB394094A - Improvements in supports for articles such as pencil sharpeners : en
  • US1914585A - Tank heating device : en
  • DE578958C - adhesive : de en
  • DE579225C - Process for the preparation of 3, 4, 5-trihalopyridine-2, 6-dicarboxylic acids : de en
  • US1914478A - Bread-leavening composition : en
  • US1914853A - Vulcanizing apparatus : en
  • US1914880A - Wringer : en
  • US1914616A - Dry cleaning washer and the like : en
  • AU771232A - An improved wrench : en
  • CA333370A - Electric cooking plate : en fr
  • DE579061C - Lubricating device for lamellar safety sliding clutch : de en
  • DE579293C - Relay in which two excitation coils act on one or more armatures : de en
  • US1914483A - Metallurgical furnace : en
  • US1914604A - Air preheater : en
  • US1914637A - Journal lubricator : en
  • CA333391A - Vinyl resin fractionating process : en fr
  • US1914847A - Liner plate : en
  • US1914481A - Meter controlled relay mechanism : en
  • US1914415A - Stove or air heating apparatus : en
  • US1914777A - High tension switch jaw assembly : en
  • USD90164S - Design eor a combination oe wall shele and hanger supported therewith : en
  • US1914683A - Tractor : en
  • US1914495A - Valve mechanism : en
  • US1914609A - Carpenter's plane : en
  • FR747872A - Fixed blank preparation process : en fr
  • FR747860A - Mutual bolting and hooking part for metal construction boxes : en fr
  • US1915263A - Signaling system and apparatus therefor : en
  • DE579188C - Adjustment device on photographic or cinematographic recording apparatus : de en
  • US1914730A - Hose connection : en
  • US1914773A - Sealing and identifying device for display holders : en
  • DE579290C - Inking unit for cylinder flat form printing presses : de en
  • DE579318C - Brush holders for electrical machines : de en
  • GB394196A - Improvements in or relating to the manufacture of new products suitable for use as washing, wetting-out, emulsifying, dispersing, peptising, foaming, cleansing and like agents : en
  • US1914408A - Mooring mast : en
  • US1914798A - Paper : en
  • US1915067A - Bottle capping machine : en
  • US1914366A - Brake : en
  • US1915018A - Thawing composition : en
  • US1915144A - Grinding apparatus : en
  • US1914869A - Creping process for paper webs and the like : en
  • FR747845A - Plot with lighting device, intended for zebra crossings or other signals on the roadways : en fr
  • DE579266C - Fuel injection device for internal combustion engines with air injection : de en
  • GB394015A - Improvements in or relating to the manufacture or treatment of products or articles made of or containing cellulose derivatives : en
  • DE579024C - Device for cleaning flowing gases in pipelines : de en
  • GB394170A - Improved process of and apparatus for hemming collars or the like : en
  • DE578961C - Vacuum cleaner operated by hand lever : de en
  • DE579182C - Reading and computing device : de en
  • GB394122A - Method of producing a pulverulent hydraulic binding medium : en
  • US1914384A - Telephone system : en
  • US1914422A - Necktie : en
  • US1914582A - Electrical switching apparatus : en
  • US1914952A - Production of white lead : en
  • DE579238C - Mutable self-induction : de en
  • GB394264A - Improved apparatus for closing, broaching and extracting the contents of casks and other vessels : en
  • FR747579A - Knife with handle forming sheath for the blade : en fr
  • DE579358C - Burner for optional heating with lean gas and high gas : de en