• US2217979A - Apparatus for preventing ice formation on airplane surfaces : en
  • DE697502C - Gas or vapor-filled discharge vessel : de en
  • DE697582C - Device for examining the heart on the basis of the bioelectric action voltages or currents of the heart muscles : de en
  • DE697632C - Flat weft knitting machine : de en
  • USD123072S - Combined handle and holder for safety razors and the like : en
  • US2217787A - Addition agent for storage battery paste : en
  • US2217829A - Photographic developing paper : en
  • CH211710A - Three-way valve. : de en
  • US2217690A - Top surface cleaner for filter beds : en
  • US2218472A - Detergent composition and process of manufacturing same : en
  • AU111698B2 - Improvement in or relating to studs or protectors for sporting boots and shoes : en
  • CH211680A - Mirror sextant for one-handed holding. : de en
  • CH211804A - Process for the preparation of an azo dye. : de en
  • US2218211A - Telephotography : en
  • CA391966A - Centralized railway traffic controlling system : en fr
  • AU453939A - Expanding plug for excavating or breaking out concrete orrock or coal or suchlike materials : en
  • CA391973A - Collapsible metal tube : en fr
  • ES145676A2 - IMPROVEMENTS MADE IN THE MAIN PATENT NUMBER 144864 : en es
  • US2217981A - Process for refining lead : en
  • US2218393A - Proportioning apparatus : en
  • USD123139S - Design fob a dress : en
  • US2217860A - Split cathode multiplier : en
  • US2217973A - Machine tool : en
  • US2218003A - Submersible pump motor : en
  • DE697645C - Process for the production of color and tonal correct color part negatives for multi-color printing : de en
  • ES145683A1 - Improvements in the superheaters of the steam boiler feed water, with a view to its particular application to locomotives. : en es
  • ES5660U - Brooch or clip for capot, registration cover, etc., for airplanes. (Machine-translation by Google Translate, not legally binding) : en es
  • US2217954A - Fireplace accessory : en
  • US2218160A - Suction cleaner : en
  • US2218408A - Combined horn and lamp for vehicles : en
  • US2217761A - Door operating device : en
  • DE697479C - . on the back : de en
  • US2218350A - Halogenated derivatives of aceto propane : en
  • DK58065C - Radio course indicator. : da en
  • CA391883A - Automobile door hinge : en fr
  • GB527814A - Improvements in cam-operated devices for glass shaping machines : en
  • CH211660A - Process for the production of a new condensation product. : de en
  • CH211808A - Process for the preparation of an azo dye. : de en
  • DE697466C - Compressed air drill that can be pushed into the self-made borehole : de en
  • DE697655C - Process for lifting, lowering or straightening structures : de en
  • ES5717U - A rubber ball made with two equal pieces (Machine-translation by Google Translate, not legally binding) : en es
  • AU111674B2 - Improvements in and relating to ironing boards : en
  • AU111673B2 - Improvements in or relating to brassieres andother foundation garments : en
  • GB527773A - Improvements in or relating to hydraulic actuating mechanism for brakes and other purposes : en
  • CH211810A - Process for the preparation of an azo dye. : de en
  • US2217820A - Fishing apparatus : en
  • US2218205A - Means for waving hair : en
  • GB527768A - Improvements relating to electric remote control systems : en
  • US2218115A - Apparatus for manufacturing finned structures : en
  • US2218069A - Tool and method of making the same : en
  • US2218084A - Device comprising blocks of sheets of paper or the like for the representation of animated pictures : en
  • US2218155A - Formation tester : en
  • CH211711A - Rotary piston machine. : de en
  • DE697413C - Installation on bottle washing machines : de en
  • US2217679A - Apparatus for preparing artichokes : en
  • US2217873A - Wheel and spoke structure : en
  • ES145672A1 - A portable device for the investigation of the properties of the subsoil that influence an alternating magnetic field. : en es
  • ES145680A1 - Perfeccionamientos in the automatic machines for the sale and distribution of objects. : en es
  • ES5710U - Chassis adaptable to bicycle machines. (Machine-translation by Google Translate, not legally binding) : en es
  • US2217862A - Tension controlling apparatus : en
  • GB527685A - Improvements in sources of light comprising luminescent materials : en
  • ES5682U - Swimming glove (Machine-translation by Google Translate, not legally binding) : en es
  • GB527752A - Improvements in steel shelving : en
  • US2217824A - Control for automatic elevators : en
  • CH211666A - Container and its manufacturing process. : en fr
  • US2217848A - Cartridge case for firearms : en
  • USD123100S - Design for a bottle : en
  • US2217799A - Hydraulic press : en
  • US2218176A - Structure for preventing static electricity : en
  • US2217853A - Seal for rotary valves in internal combustion engines : en
  • US2218369A - Electric screen : en
  • US2218456A - Apparatus for molding plastic materials : en
  • US2217907A - Apparatus for the projection of color-value images : en
  • GB527705A - Improvements in or relating to firelighters : en
  • GB527797A - Improvements in and relating to the suction tube of suction dredgers : en
  • US2218437A - Can opener : en
  • CA391948A - Electric switch : en fr
  • CH211845A - Process for the preparation of an azo dye. : de en
  • US2218058A - Electrically insulating coating : en
  • CA391875A - Heat and chemical recovery : en fr
  • DE697530C - Multi-motor drive for sizing machines : de en
  • GB527909A - Improvements in or relating to the control of synchronous alternating current electric motors : en
  • DE697418C - Filter press, especially for milk : de en
  • GB527630A - Improvements in or relating to snap-acting electric thermostats : en
  • US2218123A - Thread extracting attachment : en
  • US2218137A - Motor fuel : en
  • US2218313A - Wrench : en
  • US2218428A - Nailing ground studding : en
  • US2217671A - Milling machine : en
  • US2218019A - (aryloxy-alkyl) (thiocyano-alkyl) ether : en
  • US2218345A - Incandescent lamp : en
  • US2218387A - Fused collar : en
  • CA391884A - Furnace cleaning apparatus : en fr
  • GB527725A - Improvements in and relating to the surface hardening of metal articles : en
  • GB527662A - Improvements in or relating to heating ovens, particularly those for hardening glass plates : en
  • GB527824A - Improvements in discharge arrangements for shaft kilns : en
  • US2218149A - Sash holder : en
  • ES5699U - Lamp with rigid suspension. (Machine-translation by Google Translate, not legally binding) : en es
  • DE697564C - Electron tubes, especially with indirect heating, for use in an amplifier circuit for very high frequencies : de en
  • DE697692C - Device for the destruction of foam, particularly when treating molasses with lime : de en
  • ES5700U - Union or connection for pipes. (Machine-translation by Google Translate, not legally binding) : en es
  • GB527661A - Improvements in or relating to heating ovens, particularly those for hardening glassplates : en
  • GB527817A - An improved electrically heated boiler : en
  • CH211702A - Device for forming hollow, stretchable bodies. : de en
  • DE697509C - Drying device for paper webs on paper machines : de en
  • CH211775A - Process for the preparation of 5-methyl-4-nitro-2-chlorophenyl-1-trifluoromethylsulfone. : de en
  • CH211836A - Process for the preparation of an azo dye. : de en
  • GB527666A - Improvements in or relating to modulated carrier wave signalling systems : en
  • DE697597C - : de en
  • GB527952A - Improvements in or relating to wrapping machines : en
  • US2217889A - Diamond drill bit : en
  • CH211833A - Process for the preparation of an azo dye. : de en
  • CH211707A - Sealing plate, which is particularly suitable for producing seals for internal combustion engines. : de en
  • ES145670A1 - A procedure for the manufacture of leaf sinapismos. : en es
  • US2218068A - Elevator car and shaft sliding door : en
  • DE697441C - Process for the production and preservation of processed cheese : de en
  • DE697648C - Launching device for gliders : de en
  • US2217719A - Protection of steel shafting against corrosion : en
  • US2218134A - Control handle device : en
  • US2217917A - Dental floss holder : en
  • US2218173A - Electric light fixture : en
  • US2218260A - Toy molding apparatus : en
  • CA391905A - Combined heating and cooling system : en fr
  • CH211835A - Process for the preparation of an azo dye. : de en
  • US2217836A - Preparation of phenol : en
  • US2218291A - Reflector : en
  • US2218208A - Cooler : en
  • US2217872A - Corn picker : en
  • US2218154A - Portable fuel oil burner : en
  • US2218289A - Animal trap : en
  • DE697681C - Turning device for internal combustion engines : de en
  • US2218021A - Electrolytic cell gas outlet : en
  • US2217874A - Inhibitor : en
  • US2218090A - Method of manufacturing separable fasteners : en
  • US2218212A - Globe cabinet : en
  • ES5658U - Device applicable to iron beds built of angles so they can be mounted on top of each other (Machine-translation by Google Translate, not legally binding) : en es
  • GB527665A - Improvements in or relating to the manufacture of vinyl esters : en
  • CH211648A - Process for the production of so-called mixed acid. : de en
  • DE697586C - Test stand for gear transmission : de en
  • USD123081S - Design for a lace trimming or similar article : en
  • DE697206C - Sound delay calculator : de en
  • DE697454C - Circuit arrangement for telegraphy dialer systems : de en
  • GB527634A - Improvements in means for bonding metal parts of aircraft and the like : en
  • GB527912A - Improvements in or relating to systems for televising or producing a photographic record of a scene : en
  • GB527863A - A process for the recovery of flue ash with a high concentration of metals or metallic compounds : en
  • DE697540C - Shelter ventilator : de en
  • US2217844A - Pork side stretcher : en
  • US2218025A - Method of treating a well : en
  • ES5655U - Folding tray table. : en es
  • USD123123S - Design for a dress : en
  • US2217706A - Purifying of crude plasticizers : en
  • GB527852A - Improved patch for repairing and reinforcing textile articles : en
  • US2217847A - Soldering flux : en
  • US2218496A - Take-off tool for wells : en
  • DE697497C - Process for the production of ceramic objects such as spark plug stones : de en
  • DE697654C - Emergency lock for locks, weir systems and similar stowage devices : de en
  • GB527854A - Improvements in electric discharge lamps comprising material adapted to be excited to luminescence by the electric discharge : en
  • US2218097A - Heat exchanger : en
  • US2218184A - Suction cleaner : en
  • ES145714A2 - IMPROVEMENTS MADE IN THE MAIN PATENT NUMBER 142521 : en es
  • CA391924A - Vapour generator operating means : en fr
  • DE697637C - Fastening device for ladder rungs, tool handles or the like. : de en
  • US2217808A - Method of converting furnace slag into glasslike composition : en
  • US2217897A - Web feeding mechanism : en
  • USD123056S - Article of similar nature : en
  • US2218457A - Dehydrogenation of alcohols : en
  • ES145686A1 - Process for the preparation of pyrimidine compounds. : en es
  • US2217854A - Match book : en
  • US2217877A - Electrically lighted ornamental decorative device : en
  • US2217930A - Photographic view finder : en
  • US2218229A - Process and material for masking in color correction : en
  • GB527758A - Improvements relating to hot water boilers : en
  • US2218034A - Bearing : en
  • US2218063A - Muffler : en
  • US2218432A - Car truck : en
  • DE697472C - Wheel for rail vehicles with a wear-resistant band inserted in an undercut groove on the wheel circumference : de en
  • US2217653A - Antirattler for window sashes : en
  • CH211749A - DC magnetization of an inductance causes.Receiving arrangement in which the pulse sequence sent by a source causes a display of the remotely transmitted measured value in a ballistic measuring instrument : de en
  • ES145708A1 - A door closer device. : en es
  • US2218328A - Telephone set : en
  • ES145663A1 - A gear speed change, driven by a servomotor, for the succession of the gears. : en es
  • DE697461C - Gear pump : de en
  • DE697665C - Electrode for galvanic elements, especially electrical collectors : de en
  • DE697424C - Promotion of bottom cooking : de en
  • US2218045A - Automatic casting device for fish rods : en
  • ES5629U - Covers for binding or cover folder for newspapers and similar. (Machine-translation by Google Translate, not legally binding) : en es
  • GB527691A - Improvements in or relating to electrical apparatus : en
  • USRE21599E - A schwarz : en
  • US2217827A - Hydraulic brake system bleeding and filling apparatus : en
  • US2217839A - Wide band amplifier : en
  • US2217969A - Universal joint : en
  • DE697672C - Protective device for multi-anode converters : de en
  • GB527636A - Improvements in or relating to sewing machines : en
  • DE697634C - Means for straightening and straightening frizzy hair : de en
  • DE697533C - Thermal overcurrent switch : de en
  • DE697465C - Free fall drilling crane : de en
  • CH211693A - Watertight winding timepiece. : en fr
  • US2217890A - Wardrobe sliding shelf construction for shirts : en
  • US2218460A - Stretching machine : en
  • DE697407C - Device on gas protective masks for feeding liquid food : de en
  • DK58062C - Process for the Preparation of α-Naphtha Acetylamino Acids. : da en
  • GB527744A - Improvements in or relating to apparatus for producing artificial respiration : en
  • GB527748A - Improvements in prepayment mechanism for gas, electricity and like meters : en
  • US2217850A - Process for the recovery of oxygen from gaseous mixtures : en
  • DE697406C - Device for identifying the related images of stereo films when the films are cut into individual images : de en
  • CA391904A - Vegetable slicing machine : en fr
  • DK58063C - Installation for Measuring Cross Speech or Attenuation. : da en
  • US2218466A - Process and apparatus for peeling freestone peaches : en
  • US2217883A - Rotative winged aircraft : en
  • US2217703A - Treatment of fluids : en
  • CA391920A - Oil burner : en fr
  • CH211788A - Process for the preparation of a higher molecular weight α-substituted benzylamine sulfonic acid. : de en
  • CH211860A - Device for displaying changing pressures. : de en
  • USD123122S - Design for a dress : en
  • CH211825A - Process for the preparation of an azo dye. : de en
  • CH211862A - Control arrangement with electron tubes that influence the excitation circuit of a power generator, in particular to keep the voltage constant for counting purposes. : de en
  • GB527741A - Improvements relating to slicing machines : en
  • USD123114S - Design for a combined lamp, timer : en
  • GB527711A - Improvements relating to beating up mechanisms for looms, especially for manufacturing terry-towelling : en
  • CH211675A - A device for automatically correcting the position of the line of sight of a firearm or the like mounted, by means of a movable support, on an aircraft or other vehicle. : en fr
  • DE697599C - Scraper conveyor : de en
  • DE697687C - Method for producing an outer bottle stopper seal : de en
  • US2218396A - x x x x x x x : en
  • CH211812A - Process for the preparation of an azo dye. : de en
  • DE697527C - down : de en
  • CH211766A - Automatic adjustment device for brakes. : de en
  • US2218178A - Lock : en
  • US2218384A - Hinge construction for vehicle hoods : en
  • GB527647A - Improvements in and relating to electromagnetic interrupters for electrical circuits : en
  • US2217678A - Solidification of gases : en
  • US2218454A - Regulating system : en
  • US2218243A - Chemically bonded refractory : en
  • ES145695A1 - Extraction mechanism of the barrel in automatic weapons. : en es
  • GB527856A - Improvements in and relating to pipe joints : en
  • CA391886A - Gaseous fuel burner : en fr
  • ES5664U - Switch preferably for electric lighting devices. (Machine-translation by Google Translate, not legally binding) : en es
  • US2217693A - Azo compound and process for coloring therewith : en
  • US2218455A - Trick article : en
  • USD123075S - Design for a metallic suitcase : en
  • ES145725A1 - Improvements in the devices for the regulation of shooting of anti-aircraft guns. : en es
  • US2218035A - Suction cleaner : en
  • US2218238A - Polyvinyl acetal resin sheets containing methoxyethyl maleate : en
  • DE697652C - Brake for spinning and twisting spindles : de en
  • DE697423C - Process for the production of sintered phosphates : de en
  • DE697508C - Drum thin-film heater for milk and liquid milk products : de en
  • ES5089Y - Cuirass for interposition between the foot and the shoe. : en es
  • DE697468C - Device for controlling the guide parts of moving fabric webs, especially when introducing fabric webs into tenter machines : de en
  • DE697642C - Fufen a transparent sleeve filled with filter material : de en
  • US2217699A - Salad dressing and method of preparing the same : en
  • CH211638A - Length measuring machine for fabric webs. : de en
  • CH211650A - Process for the preparation of a diazoketone of the cyclopentanopolyhydrophenanthrene series. : de en
  • US2217785A - Thermoelectrically controlled device : en
  • US2218104A - Wire twisting device : en
  • GB527706A - Improved means for facilitating the synchronisation of machines : en
  • DE697676C - Inclination letter scale : de en
  • USD123063S - Design for a chime signal : en
  • ES145742A2 - DEMODROMIC PERCUSSION ARMORED SECURITY SPOLET : en es
  • US2218465A - Building construction : en
  • US2217994A - Fuel briquette and method of making same : en
  • US2218390A - Control system : en
  • US2218042A - Bottle cap : en
  • CA391898A - Fire-tube boiler : en fr
  • US2217760A - Hair cutting instrument : en
  • GB527897A - Improvements in or relating to shock-absorbing struts for aircraft : en
  • US2217996A - Doorstop : en
  • DE697579C - Network structure fed by transformers : de en
  • GB527829A - Improvements in screw thread grinding machines : en
  • GB527880A - Improvements in apparatus for displaying articles of apparel : en
  • US2218189A - Antirecoil device : en
  • DE697520C - Toothed coupling for the runner connection of multi-housing, axially loaded turbines with at least one thrust bearing : de en
  • US2217961A - Process of treating leather and product : en
  • US2218332A - Internal combustion engine : en
  • DE697504C - Coin slot lock for self-sellers of electricity or the like. : de en
  • GB527719A - Power clutch assemblage : en
  • US2217696A - Resist color printing : en
  • ES5670U - Container or case for shaving machines, perfumery products and the like. (Machine-translation by Google Translate, not legally binding) : en es
  • DE697596C - Device for setting up a target that can be brought up to the firing range on a target carriage : de en
  • GB527720A - Improvements in or relating to the manufacture of hydrocarbons particularly the alkylation of hydrocarbons : en
  • GB527780A - Improvements in or relating to pivotal joints : en
  • CH211754A - Steerable sledge. : de en
  • CH211849A - Process for the preparation of a new water-soluble disazo dye. : de en
  • US2218209A - Roller skate : en
  • USD123101S - Design for a screw plug : en
  • ES145650A1 - Improvements in circuit breakers. : en es
  • ES145739A1 - Polyethylene material and filling materials suitable for rolling and pressing and its use in transportable electric cables or conductors with non-metallic wrapping. : en es
  • GB527911A - Improvements in or relating to the filtration of liquids : en
  • DE697567C - a high frequency device : de en
  • GB527950A - Improvements in and connected with couplings for pipes, flexible hoses and the like : en
  • GB527642A - Improvements in or relating to starters for internal-combustion engines : en
  • GB527908A - Improvements in or relating to process of and apparatus for treating liquids : en
  • DE697601C - Extensible low-capacitance concentric high-frequency cable without lead sheath : de en
  • DE697499C - Process for the step-by-step drying and crushing of clay : de en
  • DE697682C - At least three cylinders, of which at least one cylinder is an internal combustion engine : de en
  • GB527802A - Improvements relating to folding wing aircraft : en
  • GB527941A - Improvements in or relating to timing mechanisms : en
  • CH211759A - Vehicle with a fan-cooled in-line engine in the rear. : de en
  • CH211934A - Back cover. : de en
  • DE697678C - Device for determining the drilling pressure in radial drilling machines : de en
  • ES5654U - New model of extensible curtains (Machine-translation by Google Translate, not legally binding) : en es
  • GB527655A - Improvements in methods for joining the parts of articles of rubber or the like : en
  • GB527843A - Cathode ray tube : en
  • US2217742A - Pitman : en
  • US2217905A - Therapeutic agent : en
  • CA391901A - Speed gearing : en fr
  • DE697578C - Device for canceling the transformer voltage in AC commutator machines, in particular single-phase series motors : de en
  • US2218311A - Infant's bottle holder : en
  • GB527921A - Improvements in and relating to warehouse trucks and the like : en
  • US2217743A - Apparatus : en
  • US2217911A - Radio communication : en
  • US2217918A - Process of producing rubber miscible oils : en
  • US2217876A - Valve for controlling and interrupting the flow of fluids : en
  • US2217865A - Dehydrogenation catalyst : en
  • US2217875A - Refrigerator : en
  • US2218314A - Reversing mechanism : en
  • NL49360C - : nl
  • DE697521C - Device for refreshing used ink ribbons from typewriters : de en
  • DE697604C - Light weakening body : de en
  • ES5673U - Shoe with interchangeable fastening tape. (Machine-translation by Google Translate, not legally binding) : en es
  • ES5618U - Artesa of washing and defibration of plants destined to obtain textile fibers. (Machine-translation by Google Translate, not legally binding) : en es
  • GB527851A - Improvements in or relating to air-purifying elements and air-purifying apparatus : en
  • ES5616U - Device for the purification of fumigation gases. (Machine-translation by Google Translate, not legally binding) : en es
  • ES5076Y - Game of chance of skill. : en es
  • DE697656C - Bucket wheel excavator for high and low cut : de en
  • US2217832A - Braid covered electric cord and method of making such a cord : en
  • US2218449A - Apparatus for the preparation of paper stock and the like : en
  • GB527764A - Improvements in or relating to the manufacture of woven fabrics : en
  • DK58067C - Procedure for the manufacture of electric discharge pipes with metal flask and disc-shaped glass base. : da en
  • US2218231A - Polyazo compounds and material colored therewith : en
  • US2217677A - Fish bait : en
  • GB527813A - Improvements in friction pivots : en
  • US2217943A - Self-aligning stool : en
  • GB527924A - Improvements in or relating to methods of and apparatus for producing hosiery display forms : en
  • GB527806A - Improvements in apparatus adapted to be supplied by a vibrator from a direct current supply : en
  • USD123133S - Design for a dress ensemble : en
  • US2217669A - Radial cylinder engine : en
  • CH211639A - Snap button. : en fr
  • CA391919A - Oil burner : en fr
  • CA391946A - Brake control means : en fr
  • GB527903A - Improvements in or relating to internal combustion engines operating on the two-stroke cycle with liquid fuel injection : en
  • ES145706A1 - Procedure for obtaining new esters. : en es
  • GB527338A - Improvements in or relating to brushing machines, for example machines suitable for brushing hides, skins or the like : en
  • US2217819A - Combination sheet and pillowcase : en
  • US2217955A - Mattress : en
  • US2218244A - Chemically bonded refractory : en
  • GB527696A - Improvements in or relating to telephone exchange systems : en
  • GB527811A - Oil throwers for roller bearing axleboxes and the like : en
  • GB527640A - Improvements in or relating to sealing apparatus for preventing the escape of fluid between a rotating shaft and a wall therough which it passes : en
  • USD123148S - Design fob a uniform dress or the like : en
  • DE697568C - Controller for electrical machines, in which the centrifugal force adjusts the armature against induction coils : de en
  • DE697425C - Device for monitoring the journey and setting electrically driven rail vehicles, in particular sliding platforms : de en
  • GB527933A - An improved carrier handle : en
  • DE697600C - Bucket wheel for excavators, spreaders or similar devices : de en
  • GB527957A - Improvements in frequency reducing arrangements : en
  • USD123110S - Design for a cemetery vase or similar article : en
  • US2218092A - Container : en
  • US2218463A - Dynamometer : en
  • ES5686U - Furniture to contain the trousseau of newborns. (Machine-translation by Google Translate, not legally binding) : en es
  • CH211674A - High explosive power shell. : en fr
  • CH211851A - Process for the preparation of a phenanthrene derivative. : de en
  • CA391965A - Two-stage oscillograph : en fr
  • US2218056A - Glove turner : en
  • GB527895A - Improvements in or relating to resilient supports for use between relatively movable members : en
  • GB527742A - Improvements in or relating to electric blasting initiators : en
  • ES145744A1 - A process for the production of volatile organic esters. : en es
  • GB527953A - Improvements in or relating to fountain pens : en
  • GB527929A - Improvements in spring seatings : en
  • ES5620U - Dropper bottle. (Machine-translation by Google Translate, not legally binding) : en es
  • US2217867A - Wheel : en
  • ES5650U - Wooden tiles for pavements. (Machine-translation by Google Translate, not legally binding) : en es
  • US2218226A - Filter : en
  • US2218242A - Chemically bonded refractory : en
  • US2218284A - Condensation product of free resinic acid and organic amine and process of making same : en
  • US2217986A - Well pipe plug : en
  • AU111694B2 - Improvements in and relating to cellulose derivatives and to process for producing thesame : en
  • GB527938A - Improvements in and relating to fluid controlling valves : en
  • AU111696B2 - Improvements in or relating to belt drive transmission means : en
  • US2217995A - Oil burner : en
  • US2218401A - Sheet feeder : en
  • ES145738A2 - IMPROVEMENTS MADE IN THE MAIN PATENT NUMBER 138813 : en es
  • GB527762A - Process for improving the wear-resistance of textile materials : en
  • GB527837A - Improvements in or relating to epicyclic change speed gears : en
  • US2218040A - Bottle cap : en
  • CH211694A - Shape watch box. : en fr
  • CA391928A - Brake mechanism : en fr
  • US2218141A - Apparatus for removing fumes and solids in metal skinning equipment : en
  • US2217659A - Broach : en
  • US2218197A - Electric welding process : en
  • US2218307A - Loose-leaf binder : en
  • GB527884A - Combined feeding and cold drawing mechanism for heading machines : en
  • DE697581C - Device for the production of rayon threads with changing titer : de en
  • US2217772A - Pilot stem : en
  • CA391961A - Radio receiving circuit : en fr
  • CA391992A - Laminated glass : en fr
  • GB527883A - Improvements in or relating to lacquer compositions comprising chlorine-containing rubber : en
  • CH211762A - Optical cycle signaling device. : en fr
  • US2217733A - Apparatus for electromagnetic testing of paramagnetic materials : en
  • US2218403A - Electrocuting trap : en
  • USD123084S - Pulley for chain hoists or the like : en
  • US2217698A - Canned food product and canning method : en
  • DE697491C - Hydropneumatic weight compensation on lever drives for deep pumps : de en
  • CA391887A - Window : en fr
  • US2218414A - Stoker pipe : en
  • US2218015A - Bottle wiping device for bottle vending machines : en
  • US2218203A - Shaft packing for elastic fluid turbines : en
  • US2217777A - Gas generator for oil operated orchard heaters : en
  • DE697518C - solid, non-meltable carbonaceous substances : de en
  • DE697489C - Process for paper sizing : de en
  • DE697638C - Filling device for tablet presses for tableting pulp-shaped and fiber-containing synthetic resin masses : de en
  • GB527672A - Improvements in or relating to the hoods of protective dresses : en
  • GB527899A - Improvements in or relating to glow-discharge apparatus : en
  • US2217775A - Hub cap lock : en
  • US2218198A - Portable air conditioner : en
  • ES5696U - Box-deposit for the transport of bottles. (Machine-translation by Google Translate, not legally binding) : en es
  • US2217744A - Device for indexing, selecting, and classifying flat sheets, cards, and similar articles : en
  • USD123109S - Design for a bracelet or similar article : en
  • AU158640A - Improvements in sharpening combs and cutters : en
  • US2217684A - Flotation process for concentrating oxides of iron : en
  • US2217841A - Apparatus for carbonating water : en
  • US2218214A - Pumping apparatus : en
  • US2218227A - Method for embossing sheet plastic material : en
  • US2217757A - Fiber box : en
  • US2218146A - Chemical composition : en
  • US2218440A - Double-action door and hinge structure : en
  • US2217755A - Fountain pen : en
  • US2217922A - Bobbin holder : en
  • US2218438A - Combined sign and price card holder : en
  • US2217658A - Attachment for infant's folding bath stand and dressing table : en
  • US2218031A - Preventing the caking of sodium perborate : en
  • CH211861A - Device for regulating electrical parameters of a multi-phase system, in particular the voltage for supplying metering range stations. : de en
  • GB527816A - A process for the production of a rough road surface : en
  • CH211761A - Connection body for connecting the ends of inlay wires for bicycle and motorcycle tires. : de en
  • US2218235A - Method for preparing cellulose pigment : en
  • USD123054S - Design fob a lamp : en
  • ES5667U - Hamaca. (Machine-translation by Google Translate, not legally binding) : en es
  • DE697565C - Process for increasing the permeability of cold-applied reinforcement or shielding tapes of cables or cable cores : de en
  • CH211826A - Process for the preparation of an azo dye. : de en
  • GB527777A - Improvements in apparatus for radiation treatment, with or without electric treatment, of the body : en
  • US2217940A - Clutch control mechanism : en
  • CA391930A - Woven material skew and bow correcting apparatus : en fr
  • CH211627A - Standing hot water circulation boiler with additional hot water generator. : de en
  • CH211831A - Process for the preparation of an azo dye. : de en
  • GB527936A - Improvements in or relating to electric signal transmission systems : en
  • US2218033A - Switch box : en
  • DE697447C - Carriage trigger : de en
  • ES5691U - Pencil case or case for makeup. (Machine-translation by Google Translate, not legally binding) : en es
  • USD123050S - Combined lighter akd cigarette akd cigar container : en
  • US2217672A - Milling machine : en
  • US2218053A - Water purification : en
  • US2218098A - Interference elimination : en
  • ES5659U - A protective case (Machine-translation by Google Translate, not legally binding) : en es
  • GB527663A - An improved gauge or measuring instrument : en
  • USD123132S - Design for a textile fabric : en
  • CH211655A - Process for the production of a new condensation product. : de en
  • DE697475C - Circuit arrangement for high frequency receiver : de en
  • CH211867A - Brake device on aircraft. : de en
  • US2217780A - Method of electrical geophysical prospecting and apparatus for practicing said method : en
  • US2218290A - Tooth paste dispenser : en
  • CH211678A - Firearm. : en fr
  • CH211816A - Process for the preparation of an azo dye. : de en
  • US2218215A - Air balance for pumps : en
  • GB527922A - Artificial product imitating skin and leather and method of making same on paper and cardboard making machines : en
  • US2217835A - Valve : en
  • USD123117S - Design fok, a thermometer : en
  • DE697548C - Securing the impact detonator of metal incendiary bombs in the drop device : de en
  • GB527783A - Improvements in or relating to coin-actuated mechanism : en
  • GB527790A - Musical instrument : en
  • GB527887A - Improvements relating to brake magnets for electricity meters : en
  • ES5675U - Bipod jacket heater (Machine-translation by Google Translate, not legally binding) : en es
  • DE686355C - Stone for hollow stone ceilings : de en
  • GB527886A - Scanning ray tube target for a television signal-reproducing system : en
  • NL49378C - : en
  • IE15928L - Luminescent material : en
  • AU168140A - Improvement in or relating to studs or protectors for sporting boots and shoes : en
  • CA391997A - Spark plug insulator manufacture : en fr
  • US2218121A - Loading and unloading device : en
  • US2218452A - Bottle capping mechanism : en
  • US2218023A - Box strapping tool : en
  • US2218188A - Pressure cooker : en
  • US2217655A - Apparatus for separating gas from liquid : en
  • US2217729A - Hair treating apparatus : en
  • US2218320A - Feed mixer : en
  • GB527890A - Improvements in and relating to double pistons for internal combustion engines, pumps and the like, in which the piston rods are located outside the cylinder or cylinders : en
  • ES5647U - Suction cup with automatic closing for medical uses. (Machine-translation by Google Translate, not legally binding) : en es
  • US2218087A - Crystal filter of variable band width : en
  • USD123127S - Design for a dress : en
  • GB527723A - Improvements in or relating to rate of climb or descent indicators for aircraft : en
  • GB527958A - Improvements in or relating to the distribution of fluids : en
  • US2218067A - Television system : en
  • US2218482A - Apparatus for treating strands : en
  • DE697649C - Eccentric lock with automatic locking, especially for folding side walls of trucks : de en
  • ES145690A3 - A system for mounting wheels on rail vehicles, especially mining wagons. : en es
  • US2218485A - Refractory and method of making : en
  • DE697492C - Mixed air water lifter, especially for conveying sand and gravel : de en
  • GB527798A - Process for the manufacture of therapeutically employable preparations of vitamin k : en
  • GB527825A - Improvements in or relating to sliding clasp fasteners : en
  • US2218274A - Circuit interrupter : en
  • DK58070C - Device by Radsaamaskiner. : da en
  • GB527786A - Improvements in or relating to cash registers or similar accounting machines : en
  • ES145707A3 - A set of wheels with tapered roller bearings with a fixed axle box, preferably for mining and industrial wagons. : en es
  • ES145710A1 - Improvements in the alkylation of hydrocarbons. : en es
  • US2218192A - Braking mechanism : en
  • US2218484A - Sheet feeding apparatus : en
  • ES145694A1 - Improvements in the maneuver systems for closures and roller shutters. : en es
  • GB527846A - Improvements in or relating to the packaging or containing of cigars, tobacco, cigarettes or the like : en
  • ES145713A3 - Procedure for the manufacture of shaped metal parts. : en es
  • ES5628U - Grinding wheel for vulcanization of rubber dentures. (Machine-translation by Google Translate, not legally binding) : en es
  • ES5698U - Folding knife penknife. (Machine-translation by Google Translate, not legally binding) : en es
  • US2218378A - Surface construction for ceilings, walls, and the like : en
  • DE697471C - Process for cleaning dust bags, gas pipes or the like in blast furnaces in which zinc-containing raw materials are used for refining : de en
  • GB527855A - Improved method of preparing finely comminuted oxides : en
  • DE688485C - : de en
  • US2218478A - Mattress : en
  • US2217813A - Attachment for carburetors : en
  • US2217816A - Steerable vehicle truck : en
  • US2218475A - Food product and method for producing it : en
  • US2217793A - Photographic camera : en
  • USD123076S - Design fob a clip or similar article : en
  • US2217882A - Insole : en
  • US2217948A - Automatic amplification control : en
  • US2218057A - Setup box shaper : en
  • US2218476A - Rotary cooler : en
  • DE697588C - Flow speed meter for fluids, especially for waters : de en
  • ES5086Y - Improved sheet for stamp collection albums. : en es
  • GB527874A - Improvements in or relating to magnetic dust cores : en
  • US2218254A - Method and apparatus for forming a reflector support on an incandescent lamp : en
  • ES5705U - Folding box, made of wood, intended for packaging. (Machine-translation by Google Translate, not legally binding) : en es
  • US2218443A - Massage apparatus : en
  • ES145747A1 - Improvements in compressor engines, fed by the intermediary of a radiator system, especially in engines of this class, for aircraft. : en es
  • US2217985A - Method and apparatus for making tubular members : en
  • US2218388A - Paper receptacle : en
  • GB527710A - Improvements in or relating to refractory brickwork for use in furnaces, kilns and the like : en
  • US2218072A - Tongue brush and scraper : en
  • US2218180A - Suction cleaner : en
  • CH211865A - Electrical system for automobiles. : de en
  • DE697482C - Process for the continuous execution of polymerizations : de en
  • US2217859A - Measuring instrument : en
  • ES145659A1 - Improvements in the method of construction of double-glazed windows or their analogue. : en es
  • US2217720A - Apparatus for solving seismographic problems : en
  • US2217661A - Molding and ejecting means for threaded articles : en
  • US2217843A - Measurement of electrically conductive material, particularly upon a nonconductive base : en
  • CH211619A - Device for artificial insemination respectively. Infection of plants. : de en
  • GB527628A - Improvements in or relating to thermionic valve circuit arrangements : en
  • CH211649A - Process for the preparation of a new enol derivative containing the sterol core. : de en
  • US2217666A - Right and left hand helical guide for machine spindles : en
  • GB527789A - Improvements in or relating to self-locking nuts and the manufacture thereof : en
  • CH211704A - Copy milling machine. : de en
  • US2217683A - Nitrogenous compounds : en
  • ES5101Y - Automatic can opener. : en es
  • GB527648A - Method of removing poison from tobacco smoke : en
  • ES145689A3 - A fixed axle mounting system for mining wagons. : en es
  • DE697541C - Device for holding lines, for example : de en
  • US2218480A - Base pin lead-in wire cutter : en
  • USD123088S - Design for a pin or the like : en
  • DE697662C - Process for the production of crystals containing alkali antimonate and having a mica-like appearance : de en
  • DE697505C - Process for the operation of mixture-compressing four-stroke internal combustion engines for gaseous fuels : de en
  • GB527755A - Pressure actuated magazine pencil : en
  • US2217784A - Container fabricating machine : en
  • USD123111S - Combined sundial and birdbath or similar receptacle : en
  • US2218300A - Compartment forming device for drawers : en
  • US2218255A - Increasing the viscosity of gelatin solutions : en
  • DE697463C - Process for the production of patterned hard paper : de en
  • DE697661C - Process for the preparation of N-alkylated ª ‰ - (p-oxyphenyl) -isopropylamines : de en
  • ES5716U - A cardboard protective disk designed to facilitate changes while keeping a postage stamp inside (Machine-translation by Google Translate, not legally binding) : en es
  • US2217966A - Combined wire coiling block and reel : en
  • CH211687A - Current transducer for direct current, wave current or low-frequency alternating current lines. : de en
  • US2217989A - Loop antenna : en
  • CH211642A - Slider for zippers. : de en
  • GB527842A - Improvements in or relating to resilient ring elements and means for making same : en
  • US2218232A - Splitting device : en
  • CH211756A - Elastic suspension device with "torsion bars" for vehicles. : en fr
  • CA391958A - Staple fibre manufacture : en fr
  • US2218164A - Game apparatus : en
  • US2218285A - Canned milk dispenser : en
  • US2217947A - Liquid flow control device : en
  • US2217967A - Stitching mechanism : en
  • US2218321A - Internal combustion engine : en
  • CA391939A - Refrigerating machine condenser : en fr
  • DE697421C - Process for the production of diphenylamine : de en
  • US2217792A - Safety razor : en
  • US2218174A - Preparation of sulphonic acids : en
  • CH211856A - Process for the preparation of a triphenylmethane dye. : de en
  • CH211780A - Process for the preparation of a higher molecular weight α-substituted benzylamine sulfonic acid. : de en
  • USD123078S - Design fob a pencil : en
  • CH211629A - Sink. : de en
  • DE696655C - Motor nacelle for air-cooled aircraft engines equipped with a single or multi-stage charging fan with cylinders arranged in a star shape : de en
  • US2217705A - Washing machine : en
  • US2217916A - Row crop header : en
  • DE697496C - Drinking vessel with a partition : de en
  • ES5665U - Box of removable walls. (Machine-translation by Google Translate, not legally binding) : en es
  • CA391995A - Mercury switch : en fr
  • CH211741A - Amplifier system in carrier frequency transmission systems. : de en
  • CH211806A - Process for the preparation of an azo dye. : de en
  • CH211709A - Closing organ. : de en
  • US2217663A - Aircraft sustaining rotor : en
  • US2218107A - Metallic blasting and abrasive material : en
  • CH211793A - Process for the production of a textile treatment agent. : de en
  • DE697445C - For firearms, in particular self-acting handguns, certain cartridge extraction and ejection devices : de en
  • CA391915A - Lipstick device : en fr
  • CH211732A - Method of obtaining testosterone. : de en
  • DE697563C - Device for audible voting display : de en
  • CH211633A - Cookware, in particular for gas cookers. : de en
  • DE697519C - Co-operating pressure regulators and throttle regulators, in which the throttle regulator is adjusted by the propellant itself, for power machines, in particular small turbines : de en
  • USD123062S - Design for a chime signal : en
  • USPP429P - Ivyplant : en
  • AU424839A - Improvements in and relating to ironing boards : en
  • CH211671A - Office device. : de en fr
  • CA391954A - Shaving machine : en fr
  • CH211811A - Process for the preparation of an azo dye. : de en
  • CH211719A - Pole housings for electrical machines. : de en
  • CH211814A - Process for the preparation of an azo dye. : de en
  • US2217886A - Oil burner control system : en
  • DE697594C - isses between the electric generator and the driving wheel of the bicycle or the like. : de en
  • USD123085S - Design for. a tobacco pipe : en
  • DE697546C - Skylight window lock : de en
  • DE697673C - Process for the production of Milanese knitted fabric : de en
  • GB527853A - Improvements in and relating to gaseous or vapour electric discharge lamps : en
  • NL49425C - : en
  • ES145684A2 - Procedure to neutralize the hardness of fat water. : en es
  • ES145737A2 - IMPROVEMENTS IN THE MAIN PATENT NUMBER 142715 : en es
  • ES5100Y - Can opener device. : en es
  • GB527632A - Improvements in or relating to selector mechanism for epicyclic change gear speeds : en
  • GB527643A - Improvements in or relating to the production of hydroxy organic acids or derivatives thereof : en
  • DE697684C - Carbon paper with backing : de en
  • CA391964A - High power projection oscillograph : en fr
  • US2217762A - Treated leather and process of preparing : en
  • US2217980A - Voting machine : en
  • US2218261A - Truck : en
  • DE697575C - Insulating terminal board : de en
  • GB527964A - Improvements in sewing machines : en
  • US2217825A - Spark plug : en
  • US2218308A - Bottle cap : en
  • ES5695U - Device to facilitate the opening of envelopes. (Machine-translation by Google Translate, not legally binding) : en es
  • CA391976A - Rotary pump : en fr
  • US2218186A - Gasket cutting machine : en
  • USD123118S - Design for a dress : en
  • US2217798A - Battery connector : en
  • US2218190A - Air conditioning system : en
  • US2218425A - Motion picture camera : en
  • USD123089S - Design fob a game board : en
  • CH211658A - Process for the production of vinyl ethers. : de en
  • GB527877A - Improvements in indicating and like plates : en
  • CA391941A - Illuminating circuit : en fr
  • US2218251A - Polyvinyl acetal resin compositions containing diglycerol tetrapropionate : en
  • DE697591C - Rapid photographic enlarger : de en
  • CA391893A - Pocket knife : en fr
  • CA391943A - Empty and load brake device : en fr
  • US2218159A - Installment collecting device : en
  • US2217654A - Back spacing mechanism : en
  • US2217953A - Display carton : en
  • US2218191A - Brake actuating mechanism : en
  • US2217956A - Clutch control mechanism : en
  • US2218027A - Container and method of making same : en
  • USD123047S - Design for a combined service xray and containers for hair and scalp treatment or the like : en
  • USD123097S - Design for. a work holding device for holding carburetors, distrdjutors, fuel pumps, and the like : en
  • US2217781A - Attaching clip for metal moldings : en
  • CH211823A - Process for the preparation of an azo dye. : de en
  • DE697484C - Arrangement for removing the leaves surrounding the corn cobs : de en
  • DE697608C - Equipment for airborne listening devices to be set up outdoors to eliminate disturbances caused by wind noise : de en
  • US2218353A - Method and machine for polishing articles : en
  • USD123113S - Design for a lawn mower handle : en
  • GB527882A - Improvements in and relating to electric flash lamps : en
  • AU111685B2 - Improvements relating to superheterodyne signal receivers : en
  • DK58077C - Device by Centrifugal Pumps. : da en
  • GB527965A - An improved process for preparing very strong artificial silk by the funnel stretch spinning process : en
  • ES145735A1 - A process for the production of zinc by zinciferous materials in the dome oven or similar, direct fire. : en es
  • DE697633C - Process for the removal of nitrogen oxide from gases containing sulfur with the help of metal sulfides : de en
  • GB527808A - Improvements in or relating to blowpipes : en
  • ES145665A1 - Manufacturing process of artificial stone. : en es
  • DE697605C - Accounting machine : de en
  • GB527830A - An improved method of, and apparatus for, running-in or finishing the teeth of bevel gears having longitudinally curved teeth : en
  • US2218304A - Duplicating apparatus : en
  • GB527715A - Improvements in or relating to hermetically sealed tins or cans : en
  • DE697610C - Glove with a glove attached to the side of the fingers and a common thumb : de en
  • ES145733A2 - IMPROVEMENTS MADE IN THE MAIN PATENT NUMBER 142521 : en es
  • GB527738A - Improvements in or relating to injection moulding : en
  • US2217932A - Treatment of tobacco : en
  • US2217794A - Multiple filament incandescent electric lamp : en
  • US2218036A - Safety device : en
  • US2218262A - Truck : en
  • US2218292A - Wrapping and sealing machine : en
  • US2218376A - Dynamometer instrument : en
  • ES5634U - Adaptable luggage rack with rubber suction cups for cars of all kinds. (Machine-translation by Google Translate, not legally binding) : en es
  • GB527641A - Improvements in ignition systems for internal-combustion engines : en
  • US2218163A - Suction cleaner : en
  • US2218347A - Loose-leaf binder : en
  • USD123060S - Glass grape dish or article op similar nature : en
  • ES145732A1 - Procedure for manufacturing a new agglomerated fuel. : en es
  • DE697574C - Multipole circuit breaker : de en
  • US2218473A - Swivel : en
  • CH211661A - Process for the preparation of a polyazo dye. : de en
  • GB527845A - Improvements in or relating to cigar-making machines : en
  • GB527674A - Improved reinforced paper or cardboard : en
  • CA391931A - Food warming table : en fr
  • GB527791A - An improved grass edge cutter or trimmer : en
  • GB546047A - Stocking and method of knitting the same : en
  • USD123129S - Design for a dress : en
  • US2218429A - Bookstand : en
  • US2217710A - Screening and purifying machine : en
  • CA391895A - Refrigerator grid : en fr
  • CH211617A - Motor mower. : de en
  • CH211837A - Process for the preparation of an azo dye. : de en
  • AU459839A - An improved garment suspender : en
  • US2217795A - Apparel rack : en
  • US2218412A - Sheave block : en
  • USD123142S - Design for a strainer : en
  • CA12884S - Buildong block : en
  • GB527809A - Improvements in or relating to means for securing manually operable, rotatable, control members to spindles : en
  • CH211731A - Process for the preparation of pregnenol- (3) -one- (20). : de en
  • CH211758A - Device for controlling vehicle signaling means. : en fr
  • CA391953A - Brake cylinder device : en fr
  • DE697474C - Device for regulating the feedback and the transmission rate of a high-frequency amplifier : de en
  • CH211787A - Process for the preparation of a higher molecular weight α-substituted benzylamine sulfonic acid. : de en
  • US2218259A - Fish lure : en
  • CA391940A - Volt-ampere-hour-meter : en fr
  • CA391926A - Washing machine water extracting device : en fr
  • CA391971A - Fibrous product : en fr
  • CH211801A - Process for the production of a new dye. : de en
  • GB527776A - Improvements in or relating to thread winding machines : en
  • ES5656U - Safety container for injection needles. (Machine-translation by Google Translate, not legally binding) : en es
  • CH211800A - Process for the production of a new dye. : de en
  • CH211635A - Measuring and pouring cap. : en fr
  • CH211682A - Display device on scales. : de en
  • US2218194A - Manually controlled ratio changing device : en
  • US2218450A - Process for preparing dicarbocyanine dyes : en
  • US2218477A - Measuring and control apparatus : en
  • USD123071S - Design for a badge : en
  • USD123096S - Combined comb and hair ornament : en
  • CA391913A - Pipe fin attachment : en fr
  • CA391979A - Titanium oxygen compound preparation : en fr
  • US2217906A - Machine for and method of blocking hat bodies : en
  • CH211689A - Device for signaling the appearance of gases more or less heavy than air. : en fr
  • CH211842A - Process for the preparation of an azo dye. : de en
  • DE697667C - Container for storing wrapping paper for socket points of electrical high-voltage cables : de en
  • CH211640A - Female snap button organ. : en fr
  • CH211870A - Plane. : de en
  • CH211750A - Telemetry receiving arrangement operating according to the frequency change or pulse frequency method using a gas discharge tube. : de en
  • US2218237A - Polyvinyl acetal resin compositions containing the butyl ether of diethylene glycolbenzoate : en
  • US2218343A - Beam hanger : en
  • US2218152A - Draining device : en
  • CH211864A - Self-seller of electricity with an adjustable gear arrangement for changing the unit price. : de en
  • US2218426A - Metal studding system : en
  • US2218145A - Gas carburetor : en
  • US2218481A - Clamping device : en
  • USD123066S - Design for a doll : en
  • US2218334A - Manufacture of glass : en
  • USD123067S - Fluorescent lighting fixture : en
  • US2218113A - Pneumatic printer : en
  • US2217880A - Unloading relief valve : en
  • ES5663U - A new belt for transmissions (Machine-translation by Google Translate, not legally binding) : en es
  • GB527896A - Improved apparatus for counting articles : en
  • CA391896A - Refrigerator shelf : en fr
  • CH211729A - Chandelier for indirect lighting with transformer. : de en
  • GB527774A - Improvements in or relating to the hardening of steel articles : en
  • CA391963A - High frequency current modulator : en fr
  • US2218162A - Condenser electrode terminal : en
  • US2217682A - Railway car truck : en
  • US2218054A - Turpentine hack and puller : en
  • US2218245A - Roll holding camera : en
  • US2217855A - System for measuring liquids : en
  • US2217807A - Refrigerating apparatus : en
  • DE697411C - Folding support attached to the frame of a bicycle or the like : de en
  • DE697437C - Reversible internal combustion engine : de en
  • DE697571C - Electromagnetic switching element that works with a time delay when the voltage drops : de en
  • ES145718A1 - A procedure for the manufacture of dental prosthesis or other parts. : en es
  • USD123150S - Design for a uniform dress or the like : en
  • GB527849A - Improvements in or relating to drafting machines : en
  • ES5087Y - A garter for socks : en es
  • DE697547C - Machine gun with a fixed rechargeable handle when firing : de en
  • US2217851A - Wool duster : en
  • US2217927A - Nonaqueous drilling fluid : en
  • US2218028A - Enclosed switch : en
  • USD123073S - Design for a lapel pin : en
  • GB527716A - Improvements in servo-assisted control systems : en
  • GB527875A - Improvements in the operation of producer gas fired coke ovens or retorts : en
  • DE697506C - Refill solution for solutions for the production of rust-resistant phosphate coatings on metal surfaces : de en
  • CH211734A - Process for the preparation of 4-aminobenzenesulfonamide. : de en
  • ES5071Y - Combination-pants. : en es
  • US2217817A - Vehicle supporting device : en
  • US2218267A - Fishing tool : en
  • ES5621U - Device to take the touch and keyboard layout on typewriters. (Machine-translation by Google Translate, not legally binding) : en es
  • US2218470A - Slug cutting machine : en
  • ES5632U - Base of steel plates and tension springs in the center thereof (Machine-translation by Google Translate, not legally binding) : en es
  • US2218130A - Hydraulic disruption of solids : en
  • GB527902A - Improvements in or relating to frequency selective circuit arrangements : en
  • US2217809A - Cotton stalk harvester : en
  • US2217972A - Slip sinker : en
  • GB527684A - Improvements in or relating to the welding of duplex metal members : en
  • DE697549C - Hole billiards : de en
  • AU480039A - Improvements in and relating to cellulose derivatives and to process for producing thesame : en
  • DE697435C - Process for the production of cork substitute : de en
  • GB527962A - Improvements relating to calculating apparatus : en
  • GB527734A - Improvements in insulated electric cables : en
  • GB527707A - Improvements in or relating to power winding mechanism : en
  • GB527733A - Improvements in or relating to current collectors for trolley buses and other electric vehicles supplied from overhead wires : en
  • GB527779A - Improvements in or relating to calks : en
  • ES5639U - Wafer baking mold using steam as a heating medium. (Machine-translation by Google Translate, not legally binding) : en es
  • USD123137S - Design for a dress : en
  • US2217686A - Water box : en
  • US2217718A - Camera dissolve : en
  • USD123141S - Design for a dress : en
  • CA391987A - Cellulose derivative : en fr
  • DE697643C - Cigar cutter with a holder that can be pushed into a sleeve : de en
  • CH211746A - Circuit device in deflection devices of television receivers. : de en
  • GB527801A - Folding umbrellas : en
  • ES5072Y - Perfected can opener : en es
  • GB527675A - Point forming device for the leads of pencils and the like : en
  • ES5666U - Tap for liquid passage (Machine-translation by Google Translate, not legally binding) : en es
  • GB527660A - Improvements in drying webs : en
  • GB527931A - Improvements in spring catches for doors or the like : en
  • DE697173C - Transmission system for multiple carrier frequency operation in four-wire circuit via telecommunication cables with star-twisted fours : de en
  • DE697403C - Method for injecting fuel, in particular for aviation piston engines : de en
  • DE697444C - Bottle stoppers of wood or plastics : de en
  • US2218119A - Food crusher : en
  • ES5680U - Central electrode for spark plugs. (Machine-translation by Google Translate, not legally binding) : en es
  • GB527954A - A process for preparing saturated hydrocarbons with branched, or more highly branched chains from saturated hydrocarbons : en
  • GB527754A - An improved process for galvanically coating articles of aluminium or aluminium alloys : en
  • DE697683C - Securing for nuts and bolts : de en
  • US2218317A - Bottled goods vending machine : en
  • US2218464A - Throttling regulator for electric furnaces : en
  • CH211841A - Process for the production of a new azo dye. : de en
  • US2218297A - Bookkeeping system : en
  • US2218420A - Leading iron : en
  • US2217983A - Sheet handling apparatus : en
  • US2217944A - Air mixer for ventilating systems : en
  • US2218024A - Conversion of hydrocarbons : en
  • US2217971A - Automatic speed synchronizig unit for twin motors : en
  • ES145701A2 - IMPROVEMENTS MADE IN THE MAIN PATENT NUMBER 142521 : en es
  • GB527701A - Improvements in and relating to electric converting systems : en
  • GB527823A - Improvements in and connected with the mounting of driving means on motor vehicle frames : en
  • US2218288A - Method of contructing inlaid work : en
  • US2218404A - Heating system : en
  • ES5687U - Case for makeup and perfumes. (Machine-translation by Google Translate, not legally binding) : en es
  • US2218144A - Toy typewriter : en
  • GB527796A - Improvements in high-pressure metal-vapour electric discharge devices : en
  • GB527839A - Improvements in or relating to electric regulators : en
  • GB527927A - Improvements in and connected with auxiliary steering hand-wheel devices : en
  • CH211679A - Gas cylinder lock on gas pressure chargers. : de en
  • CH211828A - Process for the preparation of an azo dye. : de en
  • ES145090A1 - Procedure for the reaction of carbon oxide with hydrogen. : en es
  • ES145679A1 - Process for the preparation of thiazolium compounds. : en es
  • US2218041A - Cigarette case and dispenser : en
  • US2218110A - Spraying nozzle : en
  • US2218169A - Suction cleaner : en
  • US2218339A - Filter and oil recharge : en
  • USPP428P - Rose plant : en
  • US2217822A - Water treating apparatus : en
  • US2218360A - Market basket : en
  • US2217758A - Cathode ray tube system : en
  • GB527739A - Improvements relating to oil tankers and other containers for corrosive materials : en
  • US2217987A - Baking pan : en
  • DE697483C - Electrical computing device : de en
  • DK58075C - Method for Manufacturing Praline Cores, Crimping Plates or Grooves. : da en
  • ES145698A1 - A procedure for obtaining insecticide fertilizers. : en es
  • US2217952A - Valve grinding gauge : en
  • US2218083A - Antenna system : en
  • GB527955A - Improvements in or relating to handles for doors, drawers, and the like, particularly applicable to motor-vehicle doors : en
  • ES5714U - Collapsible and folding armchair for children. (Machine-translation by Google Translate, not legally binding) : en es
  • DE697523C - Automatic tuning device for overlay receivers : de en
  • DE697607C - Hair clipper : de en
  • US2218140A - Gravity torsion balance : en
  • US2218474A - Plastic and coating composition : en
  • CH211722A - Arrangement for converting devices working as rectifiers or inverters. : de en
  • US2218462A - Manufacture of thread : en
  • GB527949A - Improvements in and relating to electric transformers : en
  • ES145743A3 - A process for manufacturing a product or moldable material, and of special application for articles of electrical material. : en es
  • ES5713U - Continuous pressure spray device, operated by hand, for all kinds of non-corrosive liquids and for all kinds of uses. (Machine-translation by Google Translate, not legally binding) : en es
  • GB527735A - Improvements in or relating to electric resistances : en
  • ES5679U - A sharp pencils (Machine-translation by Google Translate, not legally binding) : en es
  • GB527864A - A process for the production of readily soluble calcium salts : en
  • US2218234A - Process for the recovery of ethylene glycol from aqueous solutions : en
  • US2217747A - Drillable packer : en
  • US2217878A - Door support and closer : en
  • US2218497A - Electrical insulator : en
  • US2218399A - Compensating network : en
  • DE697585C - Registration spring : de en
  • ES5643U - Axle crossbow for cars and vehicles trailers in general. (Machine-translation by Google Translate, not legally binding) : en es
  • GB527759A - Improvements in or relating to hot water supply systems : en
  • DE697525C - Automatic ratchet mechanism for electric motors with control drum for the shooters : de en
  • ES5638U - Rubber floor with flange, reinforced heel and toe for the manufacture of different kinds of footwear (Machine-translation by Google Translate, not legally binding) : en es
  • DE697611C - Device for crimping cables with a lead sheath : de en
  • CH211868A - Brake device on aircraft. : de en
  • GB527917A - Improvements in diaphragm valves : en
  • CH211705A - Resilient device for interposing between two parts that move with respect to one another. : de en
  • CH211684A - Type roll counter and printing mechanism that records the measured values given in pulses from a measuring device to the same. : de en
  • CH211792A - Process for the preparation of a quaternary nitrogen compound. : de en
  • NL49413C - : en
  • CH211703A - Grinding machine for mower blades. : de en
  • CA391917A - Pipe or tube welding apparatus : en fr
  • US2218269A - Over-knee-length stocking with rolling-front garter band : en
  • USD123049S - Design for a pendent lighting fixture : en
  • CH211654A - Process for the preparation of an alcohol of the cyclopentanopolyhydrophenanthrene series. : de en
  • NL49357C - : en
  • US2218224A - Art of rope making : en
  • USD123115S - Design for a casing fok : en
  • US2218133A - Manufacture of turbine oils : en
  • US2217845A - Control mechanism : en
  • US2218117A - Manufacture of ammonium sulphate : en
  • US2218177A - Wire treating furnace : en
  • US2218207A - Tumbling figure : en
  • DE697478C - Device for preparing inhalation vapors : de en
  • US2217704A - Hand lift truck : en
  • US2217783A - Operating table : en
  • DE697674C - Truss pad : de en
  • DK58064C - Device with High Frequency Oscillators. : da en
  • US2217846A - Condensation products of betainelike constitution and a process of preparing them : en
  • DE697536C - Hollow shaft mandrel for preforming seamless corrugated hoses with tricot cover : de en
  • US2217674A - Portable drill rig : en
  • US2217779A - Glider or swinging couch : en
  • US2218217A - Slip-sheet apparatus : en
  • US2218282A - Apparatus for printing : en
  • ES5080Y - Transformable container into a napkin ring. : en es
  • US2218147A - Chamfering tool : en
  • US2218392A - Film developing and fixing reel : en
  • US2217864A - Start-stop telegraph receiving apparatus : en
  • US2218271A - Soap receptacle : en
  • US2218436A - Waste retainer : en
  • US2217713A - Friction ignition : en
  • DE697651C - Footrest for the treatment of hammer toes and similar foot problems : de en
  • US2218246A - Window container stock and container made therefrom : en
  • USD123112S - Design for a toy or similar article : en
  • DE697560C - Device for filling dust-like and fine-grained goods : de en
  • US2218001A - Process for making colored prints : en
  • US2218089A - Fastener stringer : en
  • US2218131A - Fishing tool for wells : en
  • US2218157A - Floral pick equipped with water container : en
  • US2217959A - Gauge apparatus for tanks : en
  • US2217900A - Tractor attached implement : en
  • US2218020A - (poly-alkyl-phenoxy-alkyl) (thiocyano-alkyl) ethers : en
  • USD123074S - Design fob a plaited leather trimming : en
  • US2217725A - Display case structure : en
  • US2218346A - Gas-filled incandescent electric lamp : en
  • US2217767A - Manufacture of shoes : en
  • USD123156S - Design fob a dress : en
  • CH211736A - Process for the production of gas protective masks and gas protective mask produced by this method. : de en
  • CH211803A - Process for the preparation of an azo dye. : de en
  • US2218301A - Variable image-observing device : en
  • USD123069S - Design fob a display case : en
  • DE697587C - Indicator for the mean values of the speeds of a vehicle : de en
  • DE697426C - Machine for the production of electrically insulated cables with a helically wound metal jacket : de en
  • US2217879A - Method and apparatus for drilling into water covered ground : en
  • DE697686C - Device for dropping bombs suspended inside aircraft wings, especially when diving : de en
  • USD123126S - Design for a display rack : en
  • ES5614U - Carterita porta-sellos. (Machine-translation by Google Translate, not legally binding) : en es
  • GB527930A - Improvements in or relating to bolted electrical connections : en
  • US2217858A - Cowling for radial aircraft engines : en
  • DE697552C - Push mandrel support for horizontal pipe push rods : de en
  • GB527826A - Improvements in and relating to fastener members : en
  • US2217931A - Process for treating tobacco : en
  • AU454639A - Improved potato digging machine : en
  • US2217991A - Demonstrator : en
  • US2218026A - Organic condensation : en
  • ES5070Y - Cut-out sheets to form dioramas. : en es
  • GB527834A - Improvements in treatment of materials made of or containing an organic derivative of cellulose : en
  • DE697495C - Rear suspension for bicycles, especially for motor vehicles : de en
  • DE697622C - Spreading device for sand, gravel and. like : de en
  • NL49347C - : en
  • US2217667A - Bisthioammeline polyalkylene ether resin : en
  • US2218080A - Process for countercurrent extraction : en
  • CH211751A - Telemetry reception system operating according to the frequency change method. : de en
  • USD123057S - Design for a game board : en
  • USD123116S - Design foh a housing for bathtub fittings : en
  • USD123080S - Lace trimming or similar article : en
  • US2218359A - Automatic equalizer : en
  • US2218430A - Apparatus for compensating hygroscopic expansion of paper in printing presses : en
  • USD123082S - Design for a bracelet or similar article : en
  • US2217746A - Submersible pump : en
  • US2218210A - Electrical connector : en
  • DK58066C - Coupling device for Relay transmitters in Telegraph systems. : da en
  • CA391982A - Dumping vehicle : en fr
  • US2217692A - Water conditioning equipment : en
  • US2218253A - Method and means for measuring color : en
  • US2217834A - Valve construction : en
  • US2218318A - Detachable conduit coupling : en
  • US2218129A - Filming machine : en
  • US2218247A - Azo compounds and process for coloring therewith : en
  • USD123138S - Design foe a dress : en
  • DE697679C - Device for determining the correct distribution of the payload in an aircraft : de en
  • CH211846A - Process for the preparation of an azo dye. : de en
  • US2218364A - Apparatus for cleaning resins : en
  • US2218491A - Drilling apparatus : en
  • US2217800A - Printing press : en
  • US2218138A - Apparatus for manufacturing insulated wire or the like : en
  • USD123140S - Design for, a dress : en
  • US2218410A - Balancing weight for automobile wheels : en
  • CH211706A - Transmission belt and method for its manufacture. : en fr
  • CH211840A - Process for the production of a new azo dye. : de en
  • GB527946A - Improvements in a frame for a picture, photograph or the like : en
  • CH211624A - Double glass. : en fr
  • CH211651A - Process for the preparation of a ketone of the cyclopentanopolyhydrophenanthrene series. : de en
  • NL49445C - : en
  • NL49352C - : en
  • GB527901A - Electric discharge tube : en
  • DE697452C - Tool in connection with a measuring device : de en
  • USD123099S - Design for a smoker s pipe : en
  • GB527688A - Improvements in or relating to graduated tariff apparatus, more particularly electricity meters : en
  • GB527731A - Improvements in servo brakes for automobile vehicles : en
  • GB527945A - Improvements in winding machines, particularly for wall-paper : en
  • GB527769A - Improvements in or relating to apparatus for producing foam for fire extinguishing purposes : en
  • US2217976A - Clutch control mechanism : en
  • AU111687B2 - A process for obtaining carbolic acid from lignite : en
  • US2218389A - Electroacoustic megaphone : en
  • USD123064S - Design for a chime signal housing : en
  • US2217895A - Sewing machine : en
  • US2217898A - Portable lifting apparatus : en
  • NL49417C - : en
  • CH211644A - Process for the production of milk powder. : de en
  • CH211730A - Process for the preparation of an unsaturated ketone of the Pregnan series. : de en
  • DE697550C - Ball throwing and catching game : de en
  • US2218078A - Mitosis model : en
  • DE697414C - Copy device for producing a pair of cams for the compulsory control of a movement : de en
  • CH211673A - Pocket chess game. : de en
  • US2217892A - Striker plate : en
  • US2218283A - Stabilized mineral oil composition : en
  • US2218423A - Chicken counting machine : en
  • US2218256A - Folding film editing apparatus : en
  • CH211791A - Process for the preparation of a quaternary nitrogen compound. : de en
  • CH211692A - Electric adding machine. : de en
  • CH211630A - Device for heating by solid fuels. : en fr
  • US2217939A - X-ray apparatus : en
  • US2218293A - Apparatus for wrapping articles : en
  • DE697480C - or for seagoing vessels : de en
  • US2218325A - Electric steaming iron : en
  • US2217912A - Gas engine : en
  • US2218179A - Shim for milling machinery : en
  • US2218336A - Art of producing yeast : en
  • US2217960A - Pumping apparatus : en
  • US2218306A - Method of treating oil wells : en
  • NL49346C - : en
  • US2217774A - Electron discharge apparatus : en
  • US2217913A - Footwear : en
  • US2218276A - Sediment plate : en
  • DE697609C - Process for the foam floating treatment of waste coals : de en
  • DE697688C - Device for the production of roving from several piles : de en
  • US2217771A - Machine for shaping uppers over lasts : en
  • US2218099A - Form tie : en
  • CA391880A - Vehicle brake : en fr
  • US2218367A - Utensil : en
  • US2218483A - Liquid container : en
  • CA12885S - Building block : en
  • CH211628A - Detachable connection on components that meet at an angle. : de en
  • US2218143A - Tire pressure indicator : en
  • CH211659A - Process for the production of butadiene. : de en
  • US2218488A - Apparatus for maintaining perishable articles in fresh condition : en
  • DE697427C - Vacuum-tight current feedthrough through ceramic bodies, which consist of a thin metal layer : de en
  • US2217691A - High temperature ironing of fiber wetlap : en
  • US2218377A - Surface construction for walls and the like : en
  • US2218446A - Automatic fluid port cleaner : en
  • CA391876A - Shaving device : en fr
  • NL49538C - : en
  • US2218139A - Process of separating thiophenols from alkyl phenols : en
  • US2218005A - Dispenser for fluid dentifrices : en
  • USD123059S - Design fob a filing cabinet lamp or similar article : en
  • US2217968A - Surgical device : en
  • GB527827A - Internal sanitary pad or tampon : en
  • US2217849A - Compounds of the anthraquinone series : en
  • US2218295A - Apparatus for obtaining core from rotary core-boring : en
  • GB527956A - Improvements in kinematographic apparatus : en
  • US2217763A - Meat tendering apparatus : en
  • US2218086A - Instrument for use in the practice of iridiagnoscopy : en
  • USD123083S - Casing for chain hoist mechanism or -the like : en
  • US2217728A - Transmission : en
  • US2217863A - Sewing machine lighting attachment : en
  • US2218402A - Pusher : en
  • GB527869A - Improvements in or relating to repeating devices for gramophones : en
  • GB527932A - Method of and apparatus for the repair of fire and like hose : en
  • CH211733A - Process for the production of usharidin. : de en
  • CH211850A - Process for the preparation of a phenanthrene derivative. : de en
  • US2217812A - Slicing machine : en
  • US2218153A - Method of and and apparatus for effecting heat transfer from a molten material heat-carrying medium in the heat treatment of substances in the gaseous and vaporous state : en
  • USD123128S - Design fob a blouse : en
  • DE697503C - Process for the production of paints against rust formation : de en
  • CH211665A - Method and device for the production of paper, cardboard and similar webs. : de en
  • US2217764A - Metal fabricating lubricant : en
  • US2218065A - Toy : en
  • US2218333A - Amusement device : en
  • US2218077A - Resinous condensation products and process of making same : en
  • DE697477C - Device for producing threads from spinning solutions, in particular artificial silk threads : de en
  • DE697329C - Circuit arrangement for telephone systems with dialer operation, in which a number of intercom stations are pachlosed : de en
  • NL49394C - : en
  • US2218444A - Merchandise dispenser : en
  • DE697493C - Chain link made of light metal : de en
  • US2218248A - Focal plane shutter construction : en
  • US2217896A - Apparatus for making cinnamon rolls and the like : en
  • US2218222A - Ditching machine : en
  • US2218418A - Gauge equipment : en
  • US2218044A - Talking doll : en
  • US2218421A - Fish lure : en
  • CA391944A - Signal horn : en fr
  • CH211779A - Process for the preparation of an alkali-soluble condensation product. : de en
  • CA392000A - Towel cabinet : en fr
  • CA391932A - Electroresponsive circuit : en fr
  • DE697500C - Bucket wheel boom : de en
  • ES145745A1 - An installation for the manufacture of electrical insulated rubber conductors. : en es
  • US2218296A - Manicure shield : en
  • USD123145S - Design for a uniform dress or the like : en
  • CA391945A - Brake control means : en fr
  • CH211822A - Process for the preparation of an azo dye. : de en
  • US2218490A - Sulphanilyl guanidine and process for making it : en
  • US2217965A - Clutch control mechanism : en
  • US2218258A - Traveling tread drive : en
  • GB527635A - Improvements in stands for picnic kettles : en
  • CH211817A - Process for the preparation of an azo dye. : de en
  • GB527631A - Improvements in ventilation and air-filtration plants : en
  • US2218170A - Lead wires for firing devices : en
  • US2217770A - Garter clasp and the like : en
  • US2218394A - Toy : en
  • CH211748A - Telemetry receiving arrangement working according to the pulse frequency method with an inductance serving as an energy store. : de en
  • CH211646A - Procedure for decaffeinating coffee. : de en
  • US2217815A - Treatment of nuts : en
  • US2218094A - Receiver or amplifier with means for saving current at lower volume : en
  • US2218213A - Pruning device : en
  • CH211783A - Process for the preparation of a higher molecular weight α-substituted benzylamine sulfonic acid. : de en
  • CH211858A - Envelope. : de en
  • US2218448A - Pretreatment of cellulose : en
  • US2218294A - Foam-producing device for fire extinguishing purposes : en
  • US2218202A - Two-cycle internal-combustion engine : en
  • CH211790A - Process for the preparation of a quaternary nitrogen compound. : de en
  • US2218124A - Railway traffic controlling apparatus : en
  • CH211763A - Rear suspension device for vehicles such as bicycles and motorcycles. : de en
  • US2218120A - Railway traffic controlling apparatus : en
  • US2217915A - Circular knitted web and method for its manufacture : en
  • US2218257A - Automobile hood lock : en
  • USD123146S - Uniform dress or the like : en
  • CA12886S - Building block : en
  • US2217740A - Lubricating fitting : en
  • US2217970A - Torch : en
  • DE697507C - Guide for mutually displaceable machine parts of machine tools, especially for console, transverse and longitudinal tables of milling machines : de en
  • AU409239A - Improvements in or relating to brassieres andother foundation garments : en
  • CA391906A - Train pipe connector : en fr
  • CH211735A - Additional filter for gas protection device, with device for its attachment to the main filter. : en fr
  • CH211737A - Type printing telegraph arrangement. : de en
  • ES5626U - Weaving looms with automatic change of the quills, with needle pushbutton. (Machine-translation by Google Translate, not legally binding) : en es
  • DE697488C - Production of emulsion cheese : de en
  • DE697658C - Closing device for the breathing opening on membrane pressure regulators : de en
  • ES145681A1 - New procedure for the binding of books. : en es
  • ES5662U - Pliers manufacturing improvements of the so-called universal. (Machine-translation by Google Translate, not legally binding) : en es
  • DE696494C - Door lock : de en
  • ES145661A1 - A process for the aromatization of hydrocarbons. : en es
  • GB527898A - Improvements in or relating to focal plane photographic shutters : en
  • GB527923A - An improved packet of braid or the like : en
  • US2218379A - Clutch device : en
  • US2217982A - Receptacle transfer mechanism : en
  • GB527833A - Improvements in or relating to the production of figured effects on textile fabrics : en
  • CH211683A - Thermal maximum indicator, the maximum indicator of which is moved forward by the towing element and is secured against unintentional resetting by a ratchet lock. : de en
  • CH211847A - Process for the preparation of an azo dye. : de en
  • DE692396C - Solid rubber tires cooled with air : de en
  • ES145651A1 - A regulating transformer. : en es
  • US2217891A - Antipicking device : en
  • US2218406A - Pump : en
  • DE697430C - Gas or vapor-filled discharge vessel : de en
  • DE697522C - Device for switching gear change gears : de en
  • CH211738A - Type wheel for telegraph receivers. : de en
  • US2218405A - Transmission : en
  • DE697529C - Device for preventing backflow during counter-current braking, especially slow-running electric motors : de en
  • CA391947A - Vehicle sanding apparatus : en fr
  • DE697455C - : de en
  • CH211757A - Process for the production of an annular heat exchange tube. : de en
  • GB527910A - Improvements in or relating to shoulder straps for golf club bags and other articles : en
  • US2217993A - Dual wheel : en
  • US2218357A - Spectrophotometer and spectrophotometric analysis and prediction : en
  • GB527815A - Improvements in pressure-reducing devices for supplying fuel gas to internal combustion engines : en
  • GB527951A - Improvements in or relating to gas-expanded materials : en
  • US2217724A - Spray coating apparatus : en
  • US2217751A - Program control : en
  • US2217797A - Fire alarm system : en
  • US2217902A - Indicator for picture theater programs : en
  • US2217937A - Hinge : en
  • CH211869A - Plane. : de en
  • ES5633U - A recreational game (Machine-translation by Google Translate, not legally binding) : en es
  • GB527659A - Method of handling and working metal members : en
  • ES5642U - Hitch for all kinds of cars and vehicles trailers in general. (Machine-translation by Google Translate, not legally binding) : en es
  • CH211725A - Frequency division method. : de en
  • US2218461A - Manufacture of thread : en
  • CA391937A - Cabinet closure : en fr
  • ES5702U - Device for joining tubes so that they are forming a proposed angle. (Machine-translation by Google Translate, not legally binding) : en es
  • ES5082Y - Tilting trestle truck for lifting, transporting and emptying drums, barrels and similar containers. : en es
  • GB527861A - Improvements in cores of comminuted magnetic material and process of making the same : en
  • US2218183A - Door locking mechanism : en
  • US2218309A - Thermionic valve apparatus for use on very short wave lengths : en
  • GB527658A - Improvements relating to stackable chairs : en
  • GB527822A - Improvements relating to double windows : en
  • GB527794A - Improvements in or relating to aircraft having retractable undercarriage or retractable supporting floats : en
  • GB527807A - Improvements in telescopic gas holders : en
  • DE697657C - Flexible clamping device for the hips of clothing : de en
  • ES5090Y - Stage-toy. : en es
  • US2217998A - Curve scriber : en
  • US2218060A - Step for motor vehicles : en
  • ES5712U - Lifeguards of great security and easy mooring. (Machine-translation by Google Translate, not legally binding) : en es
  • GB527743A - Improvements relating to winches and similar apparatus : en
  • US2217975A - Liquid and gas mixing nozzle : en
  • DE697626C - Selector with contact-free setting of the contact arms for telecommunication systems, especially telephone systems : de en
  • DE697040C - Optical component : de en
  • ES145715A1 - Procedure for obtaining calcium hypochlorite compounds. : en es
  • NL49448C - : en
  • DE697405C - Solder : de en
  • ES145709A1 - A means of conservation for woods. : en es
  • GB527763A - Improvements in and relating to the manufacture of electric cables : en
  • DE697524C - Star-triangle roller switch : de en
  • GB527966A - Improvements in and relating to splined connections : en
  • US2218236A - Light measuring apparatus for enlargers : en
  • ES145716A1 - A NEW PROCEDURE TO CLEAN CHLORINE FROM HYDROCARBONS : en es
  • DE697416C - Water turbine or pump system according to patent 676483 with blades that can be adjusted by an auxiliary motor during operation : de en
  • DE697650C - Multiple pen, in particular multi-color writing pen, with two jacket sleeves that can be displaced in the axial direction against one another : de en
  • US2218187A - Cultivator : en
  • GB527736A - Improvements in the production of gas-expanded rubber material or rubber-like material : en
  • DE697670C - Electric discharge lamp filled exclusively with noble gases or fluorescent tubes with a fluorescent layer placed inside the vessel : de en
  • US2217837A - Apparatus for spinning centrifugal molds : en
  • US2218220A - Type holder : en
  • DE697559C - : de en
  • DE697404C - Spray carburettor with float chamber control : de en
  • GB527657A - Improvements relating to liquid measuring taps : en
  • GB527686A - Improvements in and relating to hygrometers : en
  • US2218391A - Method of making stainless steel : en
  • CA391952A - Safety control brake equipment : en fr
  • GB527704A - An improved process for securing materials by adhesion and adhesives therefor : en
  • DE697629C - Temperature controller for gas firing systems with an electromagnetic switching device : de en
  • CH211769A - Powder catapult. : en fr
  • CH211821A - Process for the preparation of an azo dye. : de en
  • GB527746A - Improvements in winches and like winding apparatus : en
  • GB527868A - Improvements in or relating to pressure gauges : en
  • GB527844A - Improvements in or relating to electrical insulating materials : en
  • GB527792A - Process of gluing together workpieces of different hardness by means of hardenable synthetic resin glues : en
  • US2218038A - Electric door latch opener : en
  • US2217910A - Vanity case : en
  • US2218468A - Air conditioning system : en
  • CH211653A - Process for the preparation of a ring ketone of the cyclopentanopolyhydrophenanthrene series. : de en
  • CH211832A - Process for the preparation of an azo dye. : de en
  • GB527756A - Improvements in packing machines : en
  • US2217957A - Wave-signal translating system : en
  • US2218219A - Type binder : en
  • AU111691B2 - Improvements in secateurs or pruning appliances : en
  • CH211690A - Hydraulic seal device to ensure the hermeticity of a member entering a vacuum chamber. : en fr
  • ES145678A1 - Procedure for obtaining condensation products. : en es
  • GB527766A - New or improved means for obtaining colour effects on lighting fittings : en
  • GB527804A - Improvements in apparatus for producing light of variable colour effects : en
  • GB527943A - Arrangement in the drive of rotary printing presses : en
  • DE697514C - Display device for a dough molding machine : de en
  • CA391968A - Aircraft tank for inflammable spirits : en fr
  • CA391998A - Folding stretcher : en fr
  • DE697457C - Stand-fed three-phase current shunt collector motor : de en
  • GB527871A - Improvements in or relating to cathode ray tubes suitable for television reproduction : en
  • GB527728A - Improvements in or relating to photographic shutters : en
  • GB527915A - Improvements in or relating to automatically variable audiocorrection circuits for wireless receivers and the like : en
  • US2218011A - Printing plate : en
  • US2218093A - Blowout preventer : en
  • US2218302A - Pose-observing apparatus : en
  • US2218397A - Electric line tapping apparatus : en
  • DE697566C - Electrical receiving arrangement for remote actuation of switches o. The like. Using signal currents of a certain frequency, which are superimposed on a network of other frequency : de en
  • US2218223A - Ultra short wave system : en
  • GB527781A - Improvements in or relating to tackle for assembling and disassembling reciprocating engines : en
  • US2218383A - Electric valve converting system : en
  • CH211819A - Process for the preparation of an azo dye. : de en
  • DE697438C - Device for supplying compressed or liquefied propellant gases to internal combustion engines : de en
  • GB527925A - Improvements in transportable boiling or cooking apparatus : en
  • CA391899A - Food product heating device : en fr
  • CA391959A - Belt connector : en fr
  • CH211716A - Carburetor device for internal combustion engines. : de en
  • DE696956C - Device for deep irradiation by means of an X-ray tube : de en
  • DE697532C - Thermal release device for automatic switch : de en
  • USD123086S - Design fob a stand fob bevebages, food products, ob the like : en
  • DE697680C - Drill coulter for row sowing machines : de en
  • DE697400C - Process for investigating the course of chemical reactions and other processes in electrolytes : de en
  • CH211634A - Grill grate. : de en
  • ES5613U - Sack wardrobe side opening. (Machine-translation by Google Translate, not legally binding) : en es
  • ES5648U - Apparatus for the calculation of magnitudes and elements of radiotelephony. (Machine-translation by Google Translate, not legally binding) : en es
  • GB527891A - Improvements in accordions : en
  • GB527940A - Gas discharge tubular lamps : en
  • US2218109A - Generator regulator : en
  • GB527788A - Improvements in or relating to the measurement and detection of periodic forces : en
  • DE697415C - Machine for roughening the glued areas on leather parts : de en
  • DE697598C - Belt conveyor : de en
  • ES5630U - Wheel with ball bearing bushing and rim with rubber for animal-drawn vehicles. (Machine-translation by Google Translate, not legally binding) : en es
  • NL49506C - : en
  • US2217818A - Steerable vehicle truck : en
  • US2217950A - Wind-operated power generator : en
  • US2218114A - Operating mechanism for aircraft wing flaps : en
  • GB527682A - Improvements in or relating to chain-and-sprocket drive : en
  • GB527699A - Improvements in or relating to luggage containers : en
  • ES5718U - Improved electric iron. (Machine-translation by Google Translate, not legally binding) : en es
  • ES5653U - New extensible-reducible curtain holder model. (Machine-translation by Google Translate, not legally binding) : en es
  • US2217933A - Method of distributing fine particles throughout a bulk material : en
  • GB527835A - Improvements in or relating to photographic contact printing : en
  • GB527690A - An improved flexible coupling for pipes and tubes : en
  • GB527749A - Improvements in dry gas meters : en
  • DE697636C - en : de en
  • GB527819A - Improvements relating to aluminium alloys : en
  • GB527935A - Improved reaction products of rubber and solutions of such products : en
  • DE697459C - Jam pendulum to close off the rear end of grates : de en
  • ES145723A1 - A PROCEDURE FOR OBTAINING SUPHANYLAMIDE ACID : en es
  • GB527751A - Improvements in means for conveying metallic articles through electro-plating or like apparatus : en
  • CH211859A - Roller skate. : de en
  • US2217664A - Exhaust manifold : en
  • US2218006A - Moccasin manufacture : en
  • US2218407A - Air conditioner : en
  • ES5704U - Hygienic ashtray. (Machine-translation by Google Translate, not legally binding) : en es
  • GB527810A - Improvements relating to storm valves : en
  • DE697624C - Method of assembling a condenser microphone : de en
  • DE697613C - Process for the production of gas-absorbing fabrics : de en
  • DK58073C - Rotary Valve for Engines. : da en
  • ES5649U - Carton box estuchada. (Machine-translation by Google Translate, not legally binding) : en es
  • GB527782A - Improvements in direct-current arc-welding generators : en
  • DE697469C - Washer and dryer with feed : de en
  • ES5651U - Removable broom. (Machine-translation by Google Translate, not legally binding) : en es
  • GB527892A - Improvements in arrangements for neutralising distortion in cathode ray tubes : en
  • US2218105A - Loose-leaf binder : en
  • GB527627A - Improvements in photographic emulsions and manufacture of dyes therefor : en
  • USD123121S - Design for a pump : en
  • US2217680A - Air conditioning system : en
  • US2217870A - Shock absorbing mechanism : en
  • DE697631C - Weft knitting device for flat weft knitting machines : de en
  • ES5677U - Inkwell and container for writing ink. (Machine-translation by Google Translate, not legally binding) : en es
  • GB527862A - Improvements in or relating to film phonographs : en
  • DE697542C - Interchangeable clutch for two-stage transmissions, especially of motor vehicles : de en
  • DE697630C - Device for fixing the rockers and sinkers on flat weft knitting machines : de en
  • US2217885A - Garment : en
  • US2217737A - Lubricating fitting : en
  • US2217868A - Hydraulic cooler : en
  • ES5707U - Perfect underpants. (Machine-translation by Google Translate, not legally binding) : en es
  • CA391951A - Strainer cleaning device : en fr
  • DE697557C - Process for producing an internal thread in thin sheet metal : de en
  • US2217988A - Plasticized resinous material : en
  • US2218395A - Illuminating device : en
  • ES145711A3 - A set of wheels with tapered roller bearings with loose (free) wheels, preferably for mining and industrial wagons. : en es
  • GB527737A - Recording apparatus for the measurement of distance by the echo-sounding method : en
  • US2217840A - Ring clinching mechanism : en
  • DE697401C - Printing card punching machine : de en
  • US2217803A - Swivel : en
  • US2217814A - Process for manufacturing storage battery paste : en
  • US2218055A - Game of eight bells : en
  • ES145675A1 - Method of obtaining 2,4,6-triamino-1,3,5-triazine (melamine). : en es
  • DE697451C - System for feeding the overburden to the dropping point in the opencast mine : de en
  • US2218370A - Airplane : en
  • CA391881A - Light metal piston : en fr
  • ES5092Y - Envelope-wetting and stamp-wetting device : en es
  • GB527649A - Tuning arrangement for oscillatory circuits : en
  • USD123103S - Design fob a bottle : en
  • GB527750A - Improvements in and relating to electric light fittings : en
  • ES145702A1 - Improvements in obtaining new oxytonones from the androstanic series. : en es
  • US2218101A - Receiver or amplifier : en
  • US2218278A - Tubular wire stranding machine : en
  • US2218439A - Polymeric esters : en
  • DE697450C - Conveyor device for bulk goods in the sense of a back and forth moving chute : de en
  • GB527818A - A method of manufacturing records for gramophones or similar instruments : en
  • CH211677A - Support device for rifles. : de en
  • US2218230A - Photographic emulsion : en
  • US2218371A - Combination fill and vent box : en
  • CA391955A - Sewage and garbage triturating apparatus : en fr
  • CH211863A - Process for the preparation of a condensation product from 2-ethyl-3,5-dimethylhydroquinone and phytyl halides. : de en
  • US2218286A - Equipment for use with casketlowering devices : en
  • US2218125A - Railway track circuit apparatus : en
  • US2218171A - Apparatus for continuous casting processes : en
  • US2218319A - Adjustable extension : en
  • CH211652A - Process for the preparation of a diol of the unsaturated cyclopentanopolyhydrophenanthrene series. : de en
  • CH211714A - Speed control device in internal combustion engines. : de en
  • CH211721A - Pneumatic drive for electrical switches. : de en
  • CH211768A - Storage for automatic firearms arranged on aircraft. : de en
  • US2218167A - Rubber composition : en
  • US2218352A - Rapid change reel for paper fabricating machines : en
  • US2217805A - Printing cellulosic textile materials : en
  • US2217852A - Door mechanism : en
  • CA391918A - Vehicle door check : en fr
  • US2218263A - Wienerwurst cooker : en
  • AU356239A - Improvements relating to superheterodyne signal receivers : en
  • AU111688B2 - Aflame protector or chimney for oil andthe like burners : en
  • CA391983A - Typewriter touch mechanism : en fr
  • CH211712A - Internal combustion engine with rotating piston. : de en
  • US2218000A - Rod elevator : en
  • USD123087S - Design for a stemmed ash tray : en
  • CA391989A - Mop wringer : en fr
  • US2217782A - Automatic pressing machine for key cards and like articles : en
  • USD123095S - Design for. a box : en
  • USD123130S - Design for a cake of soap : en
  • US2218007A - Expanded metal lath : en
  • AU22540A - Reciprocating mechanism : en
  • US2218372A - Combined hinge and door check : en
  • US2217723A - Sealing composition : en
  • US2217752A - Brake lever-friction type : en
  • USD123048S - Design for a ceiling lighting fixture : en
  • US2218413A - Surgical hosiery : en
  • CH211853A - Process for the production of a vat dye. : de en
  • ES5088Y - New type of saucepan, pots and other similar containers. : en es
  • US2217707A - Methods of and apparatus for manufacturing thread or the like : en
  • DE697593C - : de en
  • DE697603C - Process for the separation of hydrocarbons : de en
  • CH211796A - Process for the preparation of a higher molecular weight α-substituted benzylamine sulfonic acid. : de en
  • CH211866A - Brake device on aircraft. : de en
  • GB527870A - Improvements in or relating to electron multipliers : en
  • USD123105S - Design for a slipper : en
  • US2217963A - Valve structure : en
  • US2218122A - Structural member : en
  • DE697690C - Spiral chute for the downward conveyance of coal and other debris of varying grain size : de en
  • CH211852A - Process for the production of an acidic wool dye of the anthraquinone series. : de en
  • US2218193A - Primary battery : en
  • US2218037A - Aromatic device : en
  • US2218415A - Easy chair, settee, and the like : en
  • CA391933A - Refrigerator food storage receptacle : en fr
  • CH211830A - Process for the preparation of an azo dye. : de en
  • CH211781A - Process for the preparation of a higher molecular weight α-substituted benzylamine sulfonic acid. : de en
  • DE697570C - Relay or trip device : de en
  • US2218073A - Alloy, particularly adapted for electrical purposes : en
  • USD123144S - Design for a dress : en
  • CH211798A - Process for the preparation of a higher molecular weight α-substituted benzylamine sulfonic acid. : de en
  • DE697410C - Cushioning, especially for motor vehicles : de en
  • DE697501C - Device for inserting and extending the forme cylinder in rotary printing machines, in particular rotogravure printing machines : de en
  • NL49627C - : en
  • US2217695A - Textile fabric : en
  • DE697592C - Centrifugal centrifugal pump with a jet pump arranged in a ring around the suction opening of the impeller : de en
  • DE697666C - Device socket : de en
  • US2217759A - Switching means : en
  • US2217842A - Valve structure : en
  • CH211772A - Process for the preparation of an acid of the cyclopentanopolyhydrophenanthrene series. : de en
  • DE697512C - Airborne sound transmitter system for alarm purposes : de en
  • US2218002A - Sputum cup : en
  • US2218076A - Electrode, particularly for electrolytic devices : en
  • DE697669C - Combined current and voltage converter : de en
  • USD123120S - Design for a dress : en
  • US2217697A - Production of resist effects illuminated with vat dyestuff : en
  • US2217934A - Moistening tobacco for stemming : en
  • USD123094S - Boutonniere vase or similar article : en
  • GB527914A - Improvements relating to bases for electric lamps : en
  • US2217838A - Fender shield and assembly : en
  • CA391885A - Shaving machine : en fr
  • CA391972A - Ski pole : en fr
  • CH211695A - Roskopf watch movement with central seconds. : en fr
  • CH211618A - Additional device to be attached to motor mowers with a cutter bar at the front for mowing stalks. : de en
  • DE697114C - by reducing rich iron ores : de en
  • US2217765A - Bottle closure : en
  • US2217884A - Fountain pen : en
  • US2218185A - Stabilizers for fibrous textile materials : en
  • US2217984A - Operating means for permeabilitytuned devices : en
  • US2218126A - Lock : en
  • GB527865A - Improvements in alloys : en
  • US2218355A - Deep or bottom cleaner for filter beds : en
  • US2217662A - Gasoline dispensing apparatus : en
  • US2217701A - Nut butter : en
  • USD123154S - Design fob a dress : en
  • US2217999A - Pillowcase closure : en
  • DE697535C - Sunshade for vessels filled with a liquid : de en
  • US2217749A - Liquid recovery and gas recycle method : en
  • US2217786A - Expander for storage batteries : en
  • US2217871A - Dump cart : en
  • US2217924A - Manifolding article and method of making : en
  • US2217992A - Attachment for tables : en
  • US2218411A - Adjustable nozzle : en
  • GB527928A - Improvements in and relating to electric motor control systems : en
  • CH211663A - Process for the preparation of a new anthraquinone dye. : de en
  • CH211838A - Process for the preparation of an azo dye. : de en
  • DE697689C - Car spinner, in which the spindle drum is driven by means of a special hydraulic winding device while the car is entering : de en
  • GB527726A - Improvements relating to road cycle dynamos : en
  • CA391882A - Metal deposition apparatus : en fr
  • CA391888A - Shower bath appliance : en fr
  • US2218048A - Cam position indicator : en
  • ES5676U - Container for the transport of bottles. (Machine-translation by Google Translate, not legally binding) : en es
  • DE697602C - esten with wedge lock : de en
  • GB527646A - Improvements in or relating to transportable splinter-proof armoured cells for use, for example, in air raids : en
  • GB527904A - Improvements in or relating to wave transmission systems for television incorporating channels utilising pulse modulation : en
  • CH211834A - Process for the preparation of an azo dye. : de en
  • DE697531C - Delayed overcurrent relay : de en
  • ES145666A1 - Method and corresponding apparatus for the production of hollow metal bodies. : en es
  • GB527878A - Improvements relating to motor vehicles : en
  • ES5619U - Device- capillary. (Machine-translation by Google Translate, not legally binding) : en es
  • GB527673A - Improvements in mechanism for controlling the direction of rotation of synchronous electric motors : en
  • US2217942A - Auxiliary air inlet for internal combustion engines : en
  • US2217964A - Mechanism for butt-welding : en
  • DE697543C - Arrangement of a shock absorber : de en
  • DE697647C - : de en
  • GB527860A - Improvements in or relating to reciprocating mechanisms particularly applicable to switches for the control of electric spot welders : en
  • DE697623C - Signal system for multi-car trains : de en
  • ES5684U - Bird emitting sound device. (Machine-translation by Google Translate, not legally binding) : en es
  • US2217925A - Radio tube tester : en
  • DE697618C - Process for the production of organic mercury compounds : de en
  • US2217881A - Aid to price estimation : en
  • DE697528C - Electrically driven pump for pumping precisely measured quantities of liquid : de en
  • DE697419C - Device for the continuous ripening of alkali cellulose : de en
  • US2218467A - Spectacle and hinge therefor : en
  • CA391911A - Fish lure : en fr
  • CH211668A - Photographic camera. : de en
  • GB527713A - Improvements in or relating to the manufacture of sulphuryl chlorofluoride : en
  • GB527667A - Rug or blanket which can be converted into a bag : en
  • DK58072C - Means for Combating Rodents. : da en
  • DE697434C - Process for the preparation of polymeric compounds : de en
  • AU371540A - Two-motion switch with separate magnet for vertical release : en
  • ES5645U - Box-board for game with the corresponding cards for its realization. (Machine-translation by Google Translate, not legally binding) : en es
  • DE677321C - Automatic, hydraulically operated dividing device arranged on the reciprocating table of a grinding machine : de en
  • DE697517C - Method for separating the connecting threads between two adjacent book blocks in book stitching machines : de en
  • DE697539C - Copy device for contact copying of picture sound films : de en
  • IE16098L - Uniting glass parts made by different processes. : en
  • ES145668A1 - Improved flying machine. : en es
  • USD123134S - Design for a chenille headdress : en
  • US2218416A - Flexible rail joint : en
  • ES145730A3 - A set of wheels for mining wagons. : en es
  • CA391991A - Finger nail polish protector : en fr
  • USD123091S - Design for a combination stand fob smokers : en
  • CH211743A - Tube circuit. : de en
  • DE697422C - Rotary piston machine with separately working cells : de en
  • DE697677C - - and eyepiece axes : de en
  • ES5672U - A calendar notebook (Machine-translation by Google Translate, not legally binding) : en es
  • DE697554C - Method for achieving a concentric armature guide in pot or similar magnets : de en
  • GB527767A - Improvements in the isomerisation of low molecular paraffinic hydrocarbons : en
  • USD123046S - Design for an indicator game device : en
  • US2217694A - Method and apparatus for charging elongated explosion chamber : en
  • US2218486A - Guiding attachment for automobiles : en
  • CA391877A - Electric cooking apparatus : en fr
  • ES5079Y - Figures totally or partially movable for toy theater : en es
  • US2217893A - Furniture seat : en
  • US2217990A - Sole for footwear : en
  • USD123098S - Design for a combined lamp, table : en
  • CH211774A - Process for the preparation of 4-methyl-2-nitrophenyl-1-trifluoromethylsulfone. : de en
  • US2217688A - Combination baggage rack and lighting fixture : en
  • USD123093S - Design for chessmen : en
  • DE697412C - Suspension for bicycles, especially for motorcycles : de en
  • DE697446C - Bullet with light metal jacket : de en
  • US2218204A - Resistor construction : en
  • DE697544C - Hollow body ship rudder : de en
  • GB527740A - Improvements relating to wobbler mechanism : en
  • DE697443C - adjustable adjustment screw : de en
  • DE697473C - Circuit arrangement, in particular for self-tuning or remote control : de en
  • GB527889A - Improvements relating to the control of soot blower installations of steam generators : en
  • US2218148A - Manufacture of benzene hexachloride : en
  • US2218323A - Electric steaming iron : en
  • US2218363A - Grease gun : en
  • US2217833A - Ice-retaining insert for glasses : en
  • US2217734A - Method of making shaped articles containing organic derivatives of cellulose : en
  • US2217997A - Inside window sash frame : en
  • US2218434A - Friction gear : en
  • CH211776A - Process for the preparation of 2-methyl-4-nitro-5-chlorophenyl-1-trifluoromethylsulfone. : de en
  • DE697486C - Power machine in which hydrogen and oxygen are blown in at the same time in a highly compressed manner and water is subsequently injected to generate steam : de en
  • ES5646U - Three-position and neutral switch lights for cars, motorcycles, boats and other industrial uses. (Machine-translation by Google Translate, not legally binding) : en es
  • GB527866A - Improvements in alloys : en
  • GB527753A - Improvements in or relating to apparatus for the application of adhesives and the like : en
  • GB527926A - Improvements in or relating to radio antennae : en
  • USD123155S - Design for a dress : en
  • US2217888A - Plow bottom : en
  • GB527857A - Improvements in or relating to the production of composite materials : en
  • ES5706U - Air-heating device. (Machine-translation by Google Translate, not legally binding) : en es
  • ES5690U - Waterproof bag with airtight seal. (Machine-translation by Google Translate, not legally binding) : en es
  • GB527730A - Improvements in or relating to manifolding sets or pads : en
  • ES5694U - Apparatus for marking tissue pieces. (Machine-translation by Google Translate, not legally binding) : en es
  • DE697620C - Device for removing dust from the sheets to be printed in office printing machines, in particular rotary stencil printers : de en
  • US2218029A - Process of producing articles from cellulose acetate : en
  • US2218233A - Denatured alcohol : en
  • US2218312A - Shaving device : en
  • DE697460C - Device for sealing machine parts sliding on top of one another in internal combustion engines for powdery fuel : de en
  • GB527873A - Improvements in two-stroke cycle internal combustion engines using liquid and gaseous fuel alternatively or simultaneously : en
  • CA391936A - Permanent magnet : en fr
  • AU111690B2 - Improved potato digging machine : en
  • CA391993A - Ceramic ware firing apparatus : en fr
  • US2218241A - Double exposure prevention device : en
  • US2218365A - Process of cleaning resins : en
  • US2217687A - Apparatus for mineral separation : en
  • US2217788A - Dynamoelectric machine : en
  • CH211726A - High vacuum glass cathode tube. : de en
  • CH211621A - Single handle truss for roofing. : de en
  • US2217731A - Device for handling cartons and the like : en
  • USD123079S - Design for hair-cutting scissors : en
  • USD123136S - Design for a hat : en
  • US2217790A - Color projector : en
  • US2217804A - Domestic appliance : en
  • US2218039A - Combined match box and memorandum device : en
  • US2218221A - Thermophilic starch : en
  • AU124140A - Improved process of making sealing glasses and seals for quartz lamps : en
  • US2218252A - Focal plane shutter setting mechanism : en
  • CH211797A - Process for the preparation of a higher molecular weight α-substituted benzylamine sulfonic acid. : de en
  • DE697583C - One-handed massage device : de en
  • GB527645A - Improvements in or relating to the production of substituted acetic acids : en
  • ES5683U - Secafirmas for desktop. (Machine-translation by Google Translate, not legally binding) : en es
  • US2217894A - Corrugated fastener driving machine : en
  • GB527772A - Improvements in or relating to connections for pipes conveying fluid under pressure : en
  • CA391890A - Cooling device for fan bearings : en fr
  • DK58071C - Device at Chicken Nest. : da en
  • GB527678A - Improvements relating to ski-sticks : en
  • GB527787A - Improvements in or relating to cloth-cutting machines : en
  • CA12883S - Building block : en
  • CH211815A - Process for the preparation of an azo dye. : de en
  • US2218445A - Production of pile surface materials : en
  • US2217923A - Portable circular saw : en
  • US2218266A - Water gas process : en
  • US2218012A - Apparatus for producing printing plates : en
  • GB527724A - Improvements in devices for the conveyance of floury or granular material : en
  • US2217665A - Process and means for recovering vanadium and uranium from ores : en
  • US2217732A - External circulating system for pulp digesters : en
  • US2218200A - Piezoelectric apparatus : en
  • USD123149S - By ttorney : en
  • DE697490C - Device for the production of partial colors : de en
  • ES145705A1 - Procedure for the production of solid dyes. : en es
  • ES5671U - Toy. (Machine-translation by Google Translate, not legally binding) : en es
  • GB527858A - Helical devices for moving a plurality of bars : en
  • US2217831A - View transmission system : en
  • USD123131S - Design for a textile fabric : en
  • GB527687A - Improvements relating to methods of producing electric resistances : en
  • GB527770A - Improvements in or relating to the heels of boots and shoes : en
  • GB527805A - A process for the polymerisation of unsaturated hydrocarbons : en
  • GB527850A - Improvements in or relating to drainage systems, particularly for basement walls : en
  • CH211765A - Steam locomotive with at least semi-automatic loading. : de en
  • ES145682A1 - A suspension, feeding and anchoring terminal, for contact lines for trams, cable transport (filovías) and electric railways. : en es
  • CH211742A - High antenna system. : de en
  • CH211824A - Process for the preparation of an azo dye. : de en
  • DE697558C - Method and device for the production of fish meal : de en
  • US2217702A - Cooling method and apparatus : en
  • US2217738A - Lubricating fitting : en
  • US2218046A - Fishhook : en
  • US2218156A - Rail fastening means : en
  • DK58061C - Process for the Preparation of Aminobenzolsulfonic Acid Amide Compounds. : da en
  • ES145660A1 - Device for the containment of juicy masses, intended for the extraction of their juices by compression. : en es
  • ES145692A2 - Improvements in rail connection or coupling systems. : en es
  • GB527669A - Method of producing high grade twisted metal rods, bars and the like : en
  • CA391942A - Cellulose ester preparation : en fr
  • US2218118A - Manufacture of electrical coils : en
  • USD123053S - Design fok a facsimile machine : en
  • GB527671A - Audiphones particularly for aviators : en
  • GB527761A - Process for improving the wear-resistance of textile materials : en
  • GB527638A - Improvements in or relating to brushing machines, for example machines suitable for brushing hides, skins or the like : en
  • GB527795A - Improvements in electric circuit arrangements comprising thermionic valves : en
  • GB527637A - Improvements in or relating to machines for assembling parts of shoes on lasts : en
  • GB527947A - Improvements in or relating to methods and machines for forming filter units of star-shaped configuration : en
  • CH211685A - Electromagnetic device to relieve the bearing of meters or the like. : de en
  • US2217789A - Fish lure : en
  • US2218225A - Piezoelectric apparatus : en
  • US2218337A - Apparatus for recovering implements from wells : en
  • CH211789A - Process for the preparation of a higher molecular weight α-substituted benzylamine sulfonic acid. : de en
  • DE697553C - Starting device for synchronous motors of vehicle drives, especially ship drives : de en
  • GB527832A - Improvements relating to bomb-proof shelters : en
  • ES145655A1 - A procedure for obtaining new tin solders. : en es
  • GB527848A - Improvements in or relating to machine tools, particularly for cutting rolled or milled products : en
  • GB527939A - Improvements in or relating to compartmented boxes : en
  • US2218498A - Telecine system : en
  • CA391996A - Clutch mechanism : en fr
  • US2218017A - Motor fuel production : en
  • GB527799A - Improvements in or relating to locks of the rack bolt type : en
  • GB527893A - Improvements in cathode ray tubes comprising electrostatic deflecting means : en
  • US2218335A - Binder composition : en
  • US2217766A - Staple cutting apparatus : en
  • US2218398A - Automotive apparatus : en
  • US2217722A - Uncoupling mechanism : en
  • US2218451A - Stencil screen construction : en
  • CH211637A - Machine for washing goods such as fabrics. : en fr
  • GB527828A - An improved internal combustion engine having coaxially arranged cylinders : en
  • GB527693A - Improvements in target aeroplanes : en
  • GB527920A - Improvements in or relating to reinforced concrete slabs and structures formed thereby : en
  • GB527680A - Packing machine, particularly for cigarette packages : en
  • ES145721A1 - A process for the production of binders. : en es
  • ES145726A1 - A process for producing ammonium sulfate. : en es
  • US2217920A - Screen hook strip : en
  • US2218270A - Microscopy : en
  • GB527907A - Improvements in or relating to reversing gearing and controlling means therefor : en
  • GB527838A - Bathing suit : en
  • DE689766C - Standing fire book steam boiler : de en
  • US2217778A - Phase modulation : en
  • DE697573C - : de en
  • AU111678B2 - Improvements in sharpening combs and cutters : en
  • GB527721A - Improvements in and relating to escalators : en
  • US2217856A - Multiengine speed synchronizer : en
  • US2218329A - Display device : en
  • US2218453A - Air filtering means : en
  • US2217716A - Thread advancing reel : en
  • US2218435A - Locking means for the doors and windows of an automobile body or the like : en
  • AU28040A - Improvements in or relating to belt drive transmission means : en
  • CH211681A - Device for monitoring the position of a body moving in space, in particular an aircraft. : de en
  • CA391921A - Filter press : en fr
  • US2218043A - Baby carriage storm shield : en
  • DE697625C - Capacitors as storage elements, in particular encoders for self-connecting telephone systems : de en
  • CH211641A - Slider with pulling element for zippers. : de en
  • US2218014A - Vehicle signal : en
  • DE697635C - Manufacture of tension-free glasses : de en
  • CA391894A - Garment fastening device : en fr
  • AU111695B2 - Reciprocating mechanism : en
  • CH211686A - Register housing for measuring devices, such as electricity meters. : de en
  • DE697428C - Electric mercury vapor discharge lamp with an operating pressure of more than 5 atmospheres with discharge-heated operating glow electrodes and starting electrodes : de en
  • US2217802A - Mold equipment and method of making same : en
  • US2218275A - Torque drive for washing machine agitators : en
  • US2218327A - Combined lamp and radio receiving set : en
  • DK58079C - Latch lock for Cabinet doors and similar Doors. : da en
  • CA391981A - Short wave electron discharge system : en fr
  • US2217676A - Treatment of wells : en
  • US2217928A - Fishhook : en
  • DE697617C - Agitator wing coupling : de en
  • CH211696A - Wristwatch with warning device. : en fr
  • US2218228A - Pocket structure : en
  • US2218303A - Angle shaft coupling : en
  • US2218382A - Traction device : en
  • CH211744A - Circuit arrangement for telegraphy receivers with shrinkage control. : de en
  • US2218471A - Hydraulic comb and brush : en
  • USD123102S - Design for a combination cigarette snoffer, match and cigarette pack- age holder, or similar article : en
  • US2218368A - Reversible drive mechanism : en
  • CH211720A - Support and winding device for the current conducting cord for electrical appliances : en it
  • CA391927A - Fluid pressure braking system : en fr
  • US2218216A - Fluid counterbalance : en
  • US2217717A - Reel clutch mechanism : en
  • US2218049A - Figure toy : en
  • US2217753A - Splitting sheet material : en
  • US2218071A - Machine for making cigarettes : en
  • USD123058S - Design for a soap cake or similar article : en
  • DE697420C - Process for the preparation of the organomagnesium compound from chlorobenzene and its homologues : de en
  • DE697481C - Process for the production of high molecular weight polymerisation products which are soluble in cold water : de en
  • US2218050A - Waste pipe cleaning machine : en
  • US2218175A - Structural toy : en
  • US2218362A - Rubberlike interpolymers of butadiene and methyl methacrylate and process for making same : en
  • ES145671A1 - A mechanism of control of the continuous variation and between wide limits of the flight of the aerial and marine propellers. : en es
  • GB527906A - Improvements in and relating to the moulding of articles from synthetic resins : en
  • DE697511C - X-ray secondary beam diaphragm : de en
  • DE697576C - Overcurrent fuse : de en
  • AU360539A - A process for obtaining carbolic acid from lignite : en
  • US2218273A - Board mounting clip : en
  • CA391984A - Photographic apparatus : en fr
  • US2217670A - De-icing apparatus for airplanes : en
  • US2218322A - Electric steaming iron : en
  • DE697612C - : de en
  • DE697513C - Knettroegen : de en
  • DE697537C - Process for the production of material panels : de en
  • US2217869A - Electron discharge tube : en
  • USD123065S - Design for a chime signal housing : en
  • CH211631A - Armchair convertible into both a deckchair and a bed. : en it
  • CH211777A - Process for the preparation of 2-methyl-4-chloro-6-nitrophenyl-1-trifluoromethylsulfone. : de en
  • CH211857A - Process for the production of stable copper phthalocyanine. : de en
  • USD123090S - Design for a lighting fixture : en
  • CA391999A - Hide preparing method : en fr
  • CA391974A - Hinge : en fr
  • CH211843A - Process for the preparation of an azo dye. : de en
  • AU72640A - Process forthe manufacture of sectional irons : en
  • CH211784A - Process for the preparation of a higher molecular weight α-substituted benzylamine sulfonic acid. : de en
  • US2217821A - Bath mat and the like : en
  • CA391950A - Fluid pressure brake : en fr
  • AU111686B2 - Improvements in milking machines : en
  • CA391967A - Signal transmitting system : en fr
  • CH211672A - Drawing machine. : de en
  • CH211818A - Process for the preparation of an azo dye. : de en
  • US2217951A - Self-locking screw : en
  • US2217945A - Husking machine improvement : en
  • GB527847A - An improved wire severing device : en
  • US2217721A - Internal combustion engine : en
  • US2217675A - Concrete building structure : en
  • US2217958A - Gauge reading box for closed tanks : en
  • DE697433C - Ramp on a lifting platform : de en
  • US2217801A - Bearing : en
  • US2218066A - Method for the preparation of ketene : en
  • US2218433A - Mixing device : en
  • USD123119S - Design fok a dress : en
  • CH211723A - Device with an electron multiplier tube. : de en
  • CH211807A - Process for the preparation of an azo dye. : de en
  • US2217974A - Chocolate and like refiner roll machine : en
  • CA391902A - Window : en fr
  • GB527718A - Improvements relating to instrument panels for use on motor vehicles and for other like purposes : en
  • GB527629A - Improvements in or relating to epicyclic change speed gears : en
  • US2217657A - Pen for recorders : en
  • USD123147S - Design for a uniform dress or the like : en
  • US2217714A - Self-locking nut and manufacture thereof : en
  • CH211839A - Process for the preparation of an azo dye. : de en
  • USD123153S - Design for a dress : en
  • US2217909A - Railway traffic controlling apparatus : en
  • US2217949A - Packaging of dry-sealing envelopes : en
  • GB527670A - A portable device for facilitating the lifting of a body : en
  • US2218112A - Gumming machine : en
  • CA391909A - Deposited rubber apron : en fr
  • DE697556C - Process for the treatment of metals which are subjected to cold working : de en
  • DE697417C - Two-part, limited yielding pit stamp : de en
  • USD123125S - Design for a display container : en
  • DE697660C - Device for subsequent coloring already fine spraying : de en
  • US2218195A - Foundry flask : en
  • GB527644A - Improvements in or relating to the production of substituted acetic acids : en
  • GB527702A - Improvements in and relating to liquid-blast electric circuit breakers : en
  • GB527820A - Improvements in a chronograph mechanism : en
  • DK58076C - Light Sensitive Layer for Light Copy Materials. : da en
  • US2218166A - Suction cleaner : en
  • ES145664A1 - Improvements in corking devices for bottle corking machines. : en es
  • US2217978A - Straight line connector : en
  • US2218032A - Preparation of glutaconic acid : en
  • ES5715U - Improved electrical power switch for lighting installations. (Machine-translation by Google Translate, not legally binding) : en es
  • US2218081A - Massage device : en
  • US2218358A - Push button operated rotary switch : en
  • US2217830A - Air cleaner and silencer assembly : en
  • US2218096A - Starching machine : en
  • US2218151A - Printing press : en
  • US2218165A - Apparatus for preparing photoengraving plates : en
  • US2217938A - Milling machine attachment supporting apparatus : en
  • US2217977A - Machine for making fringe : en
  • USD123077S - Design fob a scarf holder : en
  • CA391908A - Folding ironing board : en fr
  • US2217726A - Shears : en
  • ES145729A1 - Hydraulic braking system, especially for cars and similar. : en es
  • US2218181A - Pest control : en
  • CH211785A - Process for the preparation of a higher molecular weight α-substituted benzylamine sulfonic acid. : de en
  • ES5657U - Elastic belt (Machine-translation by Google Translate, not legally binding) : en es
  • US2217810A - Refrigerator and shelving therefor : en
  • USD123135S - Design for a dress : en
  • US2217926A - Nonaqueous drilling fluid : en
  • CA391892A - Marine anchor : en fr
  • GB527709A - Improvements in sliding windows, shutters and like panels : en
  • GB527722A - Improvements in or relating to cartridges for cartridge-operated engine starters andlike apparatus : en
  • ES145722A1 - A procedure to refine oils and fats in general without using vacuum. : en es
  • US2217901A - Combined selector, time control, and distributor : en
  • US2218264A - Boat : en
  • DE697458C - Arrangement to attenuate the changes in electrical quantities : de en
  • GB527694A - Improved apparatus for tendering meat : en
  • US2218354A - Method and apparatus for annealing strip : en
  • US2218142A - Accordion support : en
  • DE697534C - Luminous screen or the cassette : de en
  • DE697584C - Device for clearing the changing rooms in Wen cord strips : de en
  • DE697432C - Knitting needles, in particular for picking up stitches : de en
  • GB527654A - Apparatus for forming or dressing the operative faces of grinding wheels : en
  • GB527831A - Improved method of and means for applying electrical impulses to living bodies : en
  • GB527692A - Improvements in glass working machines : en
  • US2218010A - Fuse construction : en
  • GB527784A - Improvements in or relating to electrical ignition systems : en
  • DE697510C - Device for the examination with X-rays with secondary radiation diaphragm : de en
  • DK58078C - Connecting sleeve to the ends of insert wires in bicycle and motorcycle tires. : da en
  • US2217681A - Refrigerating apparatus : en
  • US2217712A - Concealed hydrant with automatic valve : en
  • US2218265A - Air and vacuum appliance for automobiles and automobile motors : en
  • CH211764A - Switching device on multi-stage speed gears. : de en
  • US2218338A - Method and apparatus for making filter fabric : en
  • US2218427A - Steel studding : en
  • USD123143S - Design for a dress : en
  • DE697402C - Apparatus for optical sensing of recording sheets : de en
  • GB527625A - An improvement in or relating to road-sweeping and refuse-collecting devices : en
  • US2217745A - Ultra high frequency oscillation circuits : en
  • US2218030A - Diphenylsulphone-4,4'-di-isocyanate and process of making it : en
  • US2218299A - Metalliferous azo dyestuffs containing simultaneously the pyrazolone ring and the thiazol ring : en
  • US2218326A - Head lamp : en
  • US2218385A - Method of making an insulated electrical conductor : en
  • US2218330A - Ventilator : en
  • US2218348A - Ventilator : en
  • USD123151S - Design for a dress : en
  • US2218249A - Production of pigmented film : en
  • DE697580C - Electric discharge lamp or fluorescent tube with a filling of noble gases and mercury and a phosphor layer : de en
  • NL49328C - : en
  • CH211636A - Process for spinning, in the molten state, an organic product, and apparatus for carrying out this process. : en fr
  • US2218495A - Production of ethylene, etc. : en
  • GB527812A - Improvements in the construction of collapsible boxes of cardboard and like material : en
  • GB527836A - Improvements in or relating to testing electrical circuits : en
  • GB527714A - Improvements relating to electrical rectifiers of the copper oxide type : en
  • US2218315A - Journal lubrication pad : en
  • CH211656A - Process for the production of condensation products of formaldehyde. : de en
  • GB527803A - Improvements in and relating to the manufacture of bacterial antigenic and/or immunogenic preparations : en
  • US2218088A - Automatic tuning for radio receiving apparatus : en
  • US2218103A - Self-service liquid dispensing device : en
  • US2218095A - Volume control in receiver sets : en
  • GB527900A - Improvements in and relating to wrapping machines : en
  • DE697485C - Emulsifiable spray for combating plant pests : de en
  • GB527919A - Improvements in or relating to fluid pressure relief valves : en
  • DE697476C - Small magnet-electric machine, in particular a bicycle alternator : de en
  • GB527703A - Improved method of and apparatus for opening or closing an electrical circuit at anypredetermined point in the cycle of an alternating current or potential therein : en
  • GB527664A - Improvements in or relating to the production of articles of regenerated cellulose : en
  • CA391910A - Snow plough : en fr
  • DE697590C - Angular arrangement that can be moved on abutments and can be adjusted to any angle with a tool at the apex for the creation and processing of curved surfaces : de en
  • GB527676A - Improvements in or relating to electrical supply fittings : en
  • CH211667A - Type head for machines for embossing address printing plates. : de en
  • CH211700A - Machine tool. : en fr
  • CH211657A - Process for the production of a new condensation product. : de en
  • CH211669A - Process for compensating for color distortions when copying or enlarging color photographs and device for carrying out the process. : de en
  • ES145746A1 - A procedure to isolate with rubber the electric conductors of continuous vulcanization process. : en es
  • AU111689B2 - Expanding plug for excavating or breaking out concrete orrock or coal or suchlike materials : en
  • USD123070S - Headlight testing machine : en
  • CA391907A - Buckle and wound compression plate : en fr
  • CH211805A - Process for the preparation of an azo dye. : de en
  • CH211645A - Plant for heating and cooling grain. : de en
  • CH211727A - Backlighting device for vehicles, in particular motor vehicles. : de en
  • CA391889A - Washing, dry-cleaning, bleaching and dyeing machine control : en fr
  • US2218493A - Knitting machine : en
  • DE697440C - Process for obtaining a mixture of quark and lecithin : de en
  • CA391934A - Refrigerating machine : en fr
  • BE438699A - : en
  • CH211799A - Process for the preparation of an azo dye. : de en
  • DE697515C - Expanding mandrel for warm expansion of a seamless pipe and simultaneous removal of the loosened scale : de en
  • CH211708A - Device for assembling two pipes. : en fr
  • US2217908A - Vanity case : en
  • CA391897A - Foldable box : en fr
  • CA391949A - Hand brake release control : en fr
  • US2217921A - Art of drawing ferrous metal : en
  • CH211771A - Table with built-in serving device. : de en
  • CH211745A - Circuit arrangement for generating one-sided short pulses of adjustable duration by reducing a control frequency. : de en
  • CH211848A - Process for the preparation of a new water-soluble disazo dye. : de en
  • DK58060C - Fold-down drying rack. : da en
  • DE697614C - Binder with insert strips lined up on hangers : de en
  • CH211691A - Adding machine. : de en
  • CH211724A - Cathode ray tube. : de en
  • NL49375C - : en
  • CH211713A - Rotary piston pump, especially for injecting fuel into engines. : de en
  • CH211795A - Process for the preparation of a higher molecular weight α-substituted benzylamine sulfonic acid. : de en
  • CH211827A - Process for the preparation of an azo dye. : de en
  • GB527639A - Improvements relating to straining or filtering apparatus for liquids : en
  • DE697644C - Process for coating iron and steel with aluminum : de en
  • US2217899A - Light-sensitive multilayer material : en
  • US2218008A - Pneumatic tire valve : en
  • DE697185C - Process for the production of ice colors in stuff printing : de en
  • DE697470C - Vertical smoldering furnace made of refractory material : de en
  • GB527732A - Improvements in or relating to high-speed motor-boats : en
  • GB527765A - Soaking pit furnace and method of controlling it : en
  • ES145724A1 - Improvements in the devices for the regulation of shooting of anti-aircraft guns. : en es
  • ES145734A1 - Procedure for the preparation of new ethereal aliphatic salts of the dihydrooestrin series. : en es
  • GB527729A - Improvements in or relating to process for applying cellulose derivative lacquers : en
  • GB527944A - Rocking horse : en
  • US2218340A - Photoelectric tube : en
  • DE697516C - Metal device for drinking fire lights : de en
  • GB527698A - Improvements in or relating to working fluids and processes of producing cold by the absorption refrigerating principle : en
  • GB527626A - Radio amplifiers and the like : en
  • GB527757A - Improvements in tinted glass : en
  • US2217656A - Adjustable collar : en
  • US2217769A - Signaling system : en
  • US2217826A - Rayon for reinforcing rubber products : en
  • ES5644U - Apparatus for aseptic bleeding of pigs. (Machine-translation by Google Translate, not legally binding) : en es
  • ES5674U - Lounge foot-ball game. (Machine-translation by Google Translate, not legally binding) : en es
  • DE697439C - Quick opening valve for high pressure bottles : de en
  • GB527700A - Magnesium titanate base pigments and methods of making same : en
  • DE697448C - Adjustable toe pieces for snowshoe bindings : de en
  • ES145662A1 - A stereoscopic device. : en es
  • GB527681A - Improvements in the treatment of articles with volatile organic solvents and apparatus therefor : en
  • GB527934A - Improvements in and relating to domestic firegrates : en
  • US2217756A - Reclining chair : en
  • ES5688U - Girdle for women. (Machine-translation by Google Translate, not legally binding) : en es
  • GB527859A - Sighting means for guns : en
  • US2217709A - Bowling pin setting apparatus : en
  • USD123157S - Design fob a dress : en
  • ES5631U - Switch three lights and four positions of sudden break. (Machine-translation by Google Translate, not legally binding) : en es
  • DE697606C - Aircraft structure : de en
  • GB527778A - Improvements in or relating to thermo-couple temperature indicating devices : en
  • USD123051S - Design for a grubbing hoe : en
  • USD123104S - Saunders drink mixer : en
  • GB527633A - Improvements in or relating to dental forceps : en
  • CH211620A - Method and device for growing espalier fruit trees with two pairs of leading shoots each. : de en
  • DE697464C - Process for the construction of tunnels located underwater or in the groundwater : de en
  • GB527653A - Flexible pipe-coupling : en
  • GB527918A - Improvements relating to cartridges for firearms : en
  • CA391903A - Radiator brush : en fr
  • CH211740A - Device for transmitting calls in carrier frequency systems. : de en
  • GB527727A - Improvements in and relating to means for attaching collars to shirts : en
  • GB527679A - Improved means for lubricating conveyors : en
  • GB527881A - Improvements in the production of staple fibre yarns or like products from continuous filaments : en
  • GB527894A - Improvements in or relating to the production of binding agents : en
  • US2217823A - Process for producing articles of regenerated chitin and the resulting articles : en
  • US2218116A - Method of producing moistureproof fiber containers : en
  • DK58069C - Treatment plants for gasworks. : da en
  • US2218106A - Cement carrier for trucks : en
  • CA391935A - Coating composition : en fr
  • CH211670A - Fountain pen. : de en
  • US2217936A - Treating tobacco : en
  • US2218127A - Automotive vehicle axle : en
  • US2218341A - Water heating system : en
  • ES5701U - Radiator perfected. (Machine-translation by Google Translate, not legally binding) : en es
  • CA391891A - Printing press cylinder gauge : en fr
  • DE697691C - Middle shot guard for looms : de en
  • GB527840A - Improvements in folding boxes or the like : en
  • GB527841A - Improvements in or relating to navigation aiding radio beacon systems : en
  • GB527960A - Improvements in or relating to stencil hand stamps : en
  • US2217904A - Alkyl ethers of cellulose : en
  • ES145731A1 - Procedure for construction of cork jars or flasks. : en es
  • GB527885A - Improvements in band-pass selector systems : en
  • US2218459A - Manufacture of articles from light metal alloys : en
  • US2218487A - Directional radiating system : en
  • US2218324A - Electric steam iron : en
  • USPP430P - Ivy plant : en
  • GB527785A - Improvements in screw thread grinding machines : en
  • US2218316A - Transportation of cylindrical objects : en
  • DE697456C - en particle stream promoted with the help of flowing gas : de en
  • DE697671C - Permanent magnet arrangement for moving coil mechanisms with the lowest scattering and an angular range of about 270, in which the coil is moved in an annular gap : de en
  • GB527775A - Improvements in gas producers for vehicles : en
  • US2217811A - Manufacture of bottles or other hollow articles of glassware : en
  • CH211767A - Device for electrical braking of traction vehicles with single-phase series motors by means of resistance braking of the latter. : de en
  • CH211782A - Process for the preparation of a higher molecular weight α-substituted benzylamine sulfonic acid. : de en
  • US2218442A - Signaling and illuminating means for motor vehicles : en
  • USD123124S - Design for a cuktain : en
  • CH211718A - Automatic voltage regulator for alternators. : de en
  • US2217730A - Cap for an automobile outside door locking handle : en
  • US2217736A - Lubricating nozzle : en
  • US2218366A - Melting tank : en
  • US2217754A - Protecting boot for chair legs : en
  • US2218331A - Grid-controlled discharge tube : en
  • US2217741A - Cutter bar : en
  • US2217857A - Process for the removal of mud sheaths : en
  • CA12882S - Building block : en
  • US2218150A - Garment hanger attachment : en
  • US2218458A - Making of seamless steel tubes : en
  • US2217776A - Parking control means : en
  • ES145750A1 - A procedure to manufacture anti-knock fuels for engines. : en es
  • CH211747A - Telemeter operating according to the frequency change method. : de en
  • GB527959A - Improvements in or relating to feeding devices for machine tools : en
  • US2217715A - Apparatus for manufacture of selflocking nuts : en
  • US2218070A - Unloading device : en
  • US2218135A - Motor fuel composition : en
  • US2218051A - Windmill control : en
  • US2218199A - Key container : en
  • CA391916A - Mercury switch plunger and spring : en fr
  • GB527677A - Improvements relating to telephone systems : en
  • NL50031C - : en
  • US2218380A - Cutting tool : en
  • GB527793A - An antidazzle and fog penetrating device for vehicle and like lamps : en
  • ES5083Y - Junction box for electrical conductors. : en es
  • GB527876A - A method of freezing fresh fruit and storing the same in frozen condition : en
  • US2218074A - Electric signal device for toy railways : en
  • USRE21600E - Multiple quick acting refrigerating : en
  • US2218441A - Protective covering for articles of manufacture during shipment in gondola cars and method of attaching the same : en
  • US2218479A - Pulping process : en
  • DE697409C - Remote drive for the aerial winch of aircraft : de en
  • DE697675C - Mouthpiece on extrusion presses : de en
  • US2217866A - Planter attachment for tractors : en
  • US2218356A - Lamp attachment for dry cells : en
  • AU118708B2 - Two-motion switch with separate magnet for vertical release : en
  • CH211844A - Process for the preparation of an azo dye. : de en
  • CH211623A - Process for the manufacture of a double pane. : en fr
  • CA391978A - Friction clutch : en fr
  • US2217962A - Dispensing machine : en
  • DK58074C - Control unit for belt shifters. : da en
  • ES145685A1 - Procedure for obtaining cupric, sandy, filterable oxychloride. : en es
  • US2217673A - Insecticide : en
  • US2218494A - Photoflash synchronizer for cameras : en
  • CH211717A - Gas heaters, in particular for gas turbine systems. : de en
  • US2218424A - Transmitter and code translator : en
  • CH211728A - Device for adjusting the reflector, especially on electric flashlights. : de en
  • DE693247C - nnmachines : de en
  • ES5689U - Beret with visor. (Machine-translation by Google Translate, not legally binding) : en es
  • CA391923A - Ore concentration by flotation : en fr
  • USD123061S - Design for a chime signal : en
  • CH211626A - Method for stiffening road pavement masses made from rock material and tar. : de en
  • US2218431A - Can bank : en
  • CA391956A - Sewage and garbage disintegrating apparatus : en fr
  • CA391985A - Change speed device : en fr
  • US2218201A - Brake : en
  • US2217914A - Folding table hardware : en
  • DE697640C - Method for determining the proportions of an imbalance, in particular with multi-blade propellers : de en
  • DE697685C - Air or water screw : de en
  • ES145658A1 - Improvements in double-glazed windows or their analog and improvements in their manufacturing method. : en es
  • CA391878A - Wire fastener : en fr
  • ES5703U - Useful for repairing tire chambers. (Machine-translation by Google Translate, not legally binding) : en es
  • AU111675B2 - Process forthe manufacture of sectional irons : en
  • US2217919A - Unsaturated hydrocarbon compositions : en
  • US2218064A - Riding trailer : en
  • US2218381A - Thermionic cathode : en
  • CA391900A - Clothespin : en fr
  • US2218158A - Dandelion picker : en
  • US2218281A - Method for cooling flue gas : en
  • CA391922A - Heat exchange equipment : en fr
  • CH211647A - Process for treating fluids containing anions in order to remove these anions. : en fr
  • CA391938A - Multi-element meter : en fr
  • CH211622A - Pipe element, process for its manufacture and tooling for implementing this process. : en fr
  • US2217946A - Up-ski towing device : en
  • US2218018A - Manufacture of halogenated hydrocarbons : en
  • AU111677B2 - Improved process of making sealing glasses and seals for quartz lamps : en
  • USD123052S - Design for, a kitchen cabinet : en
  • CH211778A - Process for the preparation of an alkali-soluble condensation product. : de en
  • CH211770A - Siphon, especially for wash basins. : de en
  • GB527656A - Improvements in or relating to refill fuse plugs : en
  • NL49995C - : en
  • DE697494C - Swing saddles, especially rider saddles for motorcycles : de en
  • CH211854A - Process for the production of a vat dye. : de en
  • DK58068C - Electric Hob. : da en
  • US2218349A - Halogenated derivatives of aceto propyl alcohol : en
  • US2218361A - Direction finder : en
  • US2217668A - Fluid meter : en
  • US2217861A - Camera with exposure meter : en
  • USD123108S - Design for a suspender : en
  • CA391925A - Plain or satchel bag making machine : en fr
  • US2218469A - Overarm actuating mechanism : en
  • DE697442C - Arc lamp for motion picture projector : de en
  • CA391990A - Fibrous container : en fr
  • CH211820A - Process for the preparation of an azo dye. : de en
  • US2217903A - Propelling and steering means for boats : en
  • US2218409A - smalls : en
  • US2218373A - Process of making laminated articles : en
  • USD123068S - Design for a thermometer : en
  • USD123107S - Design for a pair of sunglasses : en
  • CH211794A - Process for the production of a textile treatment agent. : de en
  • CH211786A - Process for the preparation of a higher molecular weight α-substituted benzylamine sulfonic acid. : de en
  • DE697619C - Piston rod for double-acting piston steam engines : de en
  • GB527905A - Improvements in and relating to tractors : en
  • GB527961A - Improvements in safety retractile hames for harness : en
  • US2218013A - Aviation beacon light : en
  • USD123055S - Xdisplay s stand or similar article : en
  • GB527872A - Improvements in automatic metal feed mechanisms for the pots of type-casting machines : en
  • CA391980A - Wire coil handling apparatus : en fr
  • AU382539A - Aflame protector or chimney for oil andthe like burners : en
  • US2218016A - Bus bar clamp : en
  • AU456039A - Improvements in milking machines : en
  • CH211802A - Process for the preparation of an azo dye. : de en
  • US2218009A - Introducer : en
  • US2218305A - Filing system for photographic prints and films : en
  • US2218344A - Manbfactobe of condensation : en
  • CA391970A - Double acting press : en fr
  • CA391912A - Curtain tie-back : en fr
  • CA391960A - Pump piston : en fr
  • AU455039A - Improvements in secateurs or pruning appliances : en
  • CA391962A - Radio tuning element control and indicator : en fr
  • US2218218A - Match book machine : en
  • US2217929A - Keying circuit : en
  • CH211809A - Process for the preparation of an azo dye. : de en
  • DE697429C - Gas or vapor discharge vessel with indirect heating by means of a heater or with a glow cathode heated by the discharge : de en
  • DE697436C - Process for the production of objects from gold-beryllium alloys : de en
  • DE697487C - Heat holding frame : de en
  • CH211632A - A method of manufacturing a stainless steel container with a reinforced bottom, and a container obtained by said process. : en fr
  • US2217750A - Fluid fuel burning stove : en
  • CH211739A - Type printer. : de en
  • DE697449C - Device for labeling round bottles, cans or the like. : de en
  • CH211643A - Process for the production of pulling members for zipper sliders. : de en
  • CA391975A - Fuse link : en fr
  • CA391994A - Phthalocyanine colouring matter : en fr
  • CH211755A - Device for motion transmission. : en fr
  • US2217727A - Method of preparing high melting point asphalt and high quality bright stock from mixed base residuum : en
  • US2218310A - Apparatus for dyeing package yarn : en
  • CA391879A - Hair waving comb and clamp : en fr
  • US2217735A - Manufacture of esters : en
  • US2218091A - Die casting die : en
  • DE697431C - Process for the preparation of water-soluble esters of the leuco compounds of connectable compounds : de en
  • ES145667A1 - Telephone cable manufacturing procedure with high inductive load. : en es
  • CH211699A - Trimming pliers. : de en
  • CH211701A - Process for quenching steel wires in the patenting process. : de en
  • US2217768A - Apparatus for orienting cores : en
  • USD123106S - Design for a high model foot platform chair : en
  • GB527821A - Improvements in or relating to drilling, milling and like machine tools : en
  • CA391986A - Composite fabric : en fr
  • CH211664A - Process for making a drying oil blend. : de en
  • GB527916A - Improvements in or relating to arrangements for emptying motor lorries, railway wagons and like vehicles : en
  • US2218272A - Automatic lateral stabilizer for airplanes : en
  • CH211625A - Check valve panel. : en fr
  • CH211773A - Process for the preparation of 2,5-dichloro-4-nitrophenyl-1-trifluoromethylsulfone. : de en
  • CA391969A - Roll clearing method : en fr
  • GB527695A - Improvements in or relating to lubricants : en
  • ES5611U - A board for game of table (Machine-translation by Google Translate, not legally binding) : en es
  • ES5719U - Soap bar. (Machine-translation by Google Translate, not legally binding) : en es
  • CA391988A - Monorunner coasting device : en fr
  • GB527650A - Improvements in or relating to ear stoppers : en
  • US2217700A - Frozen confection and method for making it : en
  • CH211753A - Collapsible stroller. : de en
  • US2218059A - Needle threader : en
  • CA12887S - Building block : en
  • CA391957A - Bottle wiping device : en fr
  • DE697589C - Method for bearing the altitude angle of a balloon : de en
  • US2218172A - Preparation for antisepsis of the oral cavity : en
  • CA391914A - Internal combustion motor : en fr
  • DE697538C - Spade with an openwork spade blade : de en
  • GB527937A - Improvement in radio navigation system : en
  • GB527963A - Improvements in electro-magnetic charging switches and regulators : en
  • USD123152S - Design for a towel ob similar article : en
  • US2218100A - Attachment for sewing machines : en
  • ES145657A1 - Improvements in the manufacture of casting molds. : en es
  • ES5669U - New plug device adaptable to all types of bottles and corks, which avoids the use of the corkscrew. (Machine-translation by Google Translate, not legally binding) : en es
  • GB527879A - Improvements in or relating to machines for moulding plastic material : en
  • ES5692U - Wooden comb with reinforcement (Machine-translation by Google Translate, not legally binding) : en es
  • DE697659C - Deep drilling rig : de en
  • US2218047A - Hardenable plastic article : en
  • US2217806A - Seismograph prospecting : en
  • US2218161A - Suction cleaner : en
  • US2218168A - Power tool : en
  • US2218287A - Feed mechanism for sewing machines : en
  • US2218375A - Spelling game : en
  • US2218492A - Mining apparatus : en
  • US2218022A - Transportable stand for vats : en
  • US2218277A - Operating gear for automatic slack adjusters : en
  • DE697562C - Drive device for dialer : de en
  • US2218279A - Apparatus for recovering glycerin : en
  • ES5625U - Closing for bottles. (Machine-translation by Google Translate, not legally binding) : en es
  • DE697616C - File box for steep files with swiveling support plates : de en
  • ES5615U - Burner of heavy oils. (Machine-translation by Google Translate, not legally binding) : en es
  • US2218004A - Porcelain insulator screw bracket : en
  • US2218136A - Monitor control gear shift : en
  • US2218298A - Hair curler : en
  • US2217708A - Well cementing method and apparatus : en
  • US2218419A - Control valve : en
  • CH211829A - Process for the preparation of an azo dye. : de en
  • CH211662A - Process for the preparation of an azo dye. : de en
  • US2218082A - Hair curler : en
  • US2218417A - Printing plate cooler : en
  • USD123092S - Design fob a bailing bab obnament : en
  • US2217935A - Tobacco treatment process : en
  • US2218182A - Machine tool : en
  • ES145677A2 - Procedure for obtaining phthalocyanines. : en es
  • US2217887A - Tractor implement : en
  • US2218085A - Low loss cable : en
  • US2217773A - Manufacture of covers for books or the like : en
  • US2218386A - Discharge device : en
  • ES5697U - Electric plug. (Machine-translation by Google Translate, not legally binding) : en es
  • US2218075A - Cigarette rolling device : en
  • GB527942A - Improvements in thermionic valves : en
  • GB527771A - Improvements in or relating to magnetic separators : en
  • CH211698A - A composition of great hardness and tenacity, and process for its manufacture. : en fr
  • DE697653C - : de en
  • US2218240A - Vacuum distillation : en
  • DE697555C - High frequency induction furnace : de en
  • DE697615C - Two-part stringing bracket for perforated stacks of sheets : de en
  • CH211752A - Display column with display surfaces set back against the column axis. : de en
  • US2217796A - Pumping apparatus : en
  • ES5617U - Improvements in cubes for beach and similar. (Machine-translation by Google Translate, not legally binding) : en es
  • US2217711A - Antioxidants : en
  • US2218206A - Filter : en
  • US2218422A - Water heater : en
  • ES145719A2 - A REGULATORY TRANSFORMER : en es
  • GB527948A - Improvements in and relating to electric heaters : en
  • ES145703A1 - Process for the preparation of compounds of the oestradiol type esterified in position 3. : en es
  • GB527745A - Improvements in or relating to variable electric resistances or potentiometers : en
  • US2218102A - Method and apparatus for making container caps : en
  • US2218400A - Equalizer : en
  • GB527867A - Improvements relating to rotary pumps : en
  • US2218052A - Luggage and mechanism to make the same : en
  • US2217660A - Secondary xenoxy-alkyl amines : en
  • US2218079A - Lever propulsion device for bicycles, etc. : en
  • ES5612U - Curling device for hair. (Machine-translation by Google Translate, not legally binding) : en es
  • ES5709U - A device of cut-out figures transformable by combinable parts (Machine-translation by Google Translate, not legally binding) : en es
  • ES145727A1 - Perfections in and related to nickel alloys. : en es
  • GB527800A - An improved method of making number drums or rollers for counting mechanisms, more especially for electricity measuring apparatus : en
  • US2218268A - Golf club : en
  • CH211855A - Process for the preparation of a triphenylmethane dye. : de en
  • US2218489A - Piezoelectric crystal : en
  • GB527888A - An improved process for the treatment of regenerated cellulosic materials : en
  • US2218108A - Paper feed mechanism : en
  • US2218128A - Aircraft having its wings provided with disturbing bodies : en
  • US2218342A - Distillation column : en
  • US2218351A - Method of making a matrix : en
  • US2218374A - Circuit breaker : en
  • US2217748A - Negative transconductance tubeoscillator : en
  • US2218196A - Brick press : en
  • CH211813A - Process for the preparation of an azo dye. : de en
  • US2217791A - Backing pad for sanding or polishing machines : en
  • US2217941A - Spring : en
  • US2217685A - Flotation process for concentrating carbonate minerals : en
  • CH211697A - Chromium-tungsten-molybdenum-cobalt steel. : de en
  • US2218111A - Gauge for tapered screw threads : en
  • US2218132A - Sulphur containing lubricant : en
  • ES5708U - Tie to two different faces. (Machine-translation by Google Translate, not legally binding) : en es
  • US2218280A - Bait : en
  • US2218447A - Diesel fuel : en
  • DE697595C - Fountain pen-like writing instrument with a spring-loaded air inlet valve : de en
  • US2218250A - Silver recovery : en
  • GB527683A - Improvements in or relating to methods and apparatus for heat treating articles by electromagnetic induction : en
  • GB527708A - Improvements in or relating to knitting machines : en
  • US2218239A - Polyvinyl acetal resin sheets containing di-isoamyl maleate : en
  • US2218062A - Plaiter-down folding attachment and method of laying the cloth : en
  • CH211688A - Number roller, in particular for electrical measuring instruments. : de en
  • US2217739A - Adjustable lubricating fitting : en
  • CH211676A - Device for unattended shooting. : de en
  • ES5681U - Nozzle for fire extinguishers. (Machine-translation by Google Translate, not legally binding) : en es
  • GB527747A - Process of clarifying sugar juices : en
  • DE697526C - Automatic contactor control for electric motors by means of a time relay : de en
  • DE697641C - Approachable holding plate with insertion eyes for : de en
  • AU111693B2 - An improved garment suspender : en
  • CH211715A - Device for setting the desired mutual delivery ratios of the individual pumps of a multi-cylinder injection system for internal combustion engines with backflow control by means of inclined edge control. : de en
  • US2217689A - Filtering system, device used therein, and method of filtration : en
  • US2217828A - Seismograph prospecting apparatus : en
  • US2218061A - Chimney flue damper : en
  • DE697639C - : de en
  • GB527652A - Improvements in and relating to carpets : en
  • GB527689A - Improvements in or relating to apparatus for mine sweeping : en
  • CA391977A - Friction clutch : en fr
  • DE697467C - Method for connecting the ends of two pipes arranged equidistantly to one another : de en
  • ES5668U - Instructional game system (Machine-translation by Google Translate, not legally binding) : en es
  • CA391929A - Electric cable manufacture : en fr
  • GB527668A - Improvements in or relating to braking apparatus for trailer vehicles : en