• US2157953A - Insect destroyer : en
  • AU107276B2 - Improvements in or relating to electric conductor cables : en
  • CA381335A - Post driving device : en fr
  • DE675505C - Vehicle tires made using rubber rings : de en
  • USD114691S - Space heater : en
  • US2157589A - Game : en
  • CA381310A - Sterolic compound oxidizing method : en fr
  • AU193339A - Improvements in or relating tothe manufacture of artificial textile fibres from casein : en
  • AU245838A - Process and apparatus for spraying surfaces with liquids : en
  • AT156128B - Outlet rotary slide valve. : de en
  • AT156058B - Belt tensioning device, in particular for fan drives with V-belts for air-cooled internal combustion engines. : de en
  • AU247538A - Packed spigot and socket joint for pipes : en
  • US2157279A - Electromagnetic vibrator : en
  • US2157365A - Process for producing 1, 4-ethylenic glycols : en
  • US2157692A - Power transmission : en
  • DE675688C - Cantilever seating and reclining furniture frame : de en
  • FR840981A - Process for the manufacture of devices with asymmetric conductivity of the dry contact type : en fr
  • US2157579A - Apparatus for and method of recovering gasoline and the like : en
  • US2157546A - Needle bed : en
  • US2157212A - Impervious sheet material : en
  • US2157448A - Model airplane or glider : en
  • GB505221A - Improvements in or relating to shock absorbers and other damping means : en
  • US2157258A - Shutter operating mechanism for registers of liquid dispensing apparatus : en
  • US2157911A - Electric circuit breaker : en
  • US2157318A - Process of cooling gases : en
  • AU30538A - Improvements in or relating to web joining and roll changing mechanism for printing or other machines operating on web drawn froma roll : en
  • US2157230A - Hydromechanical power transmission mechanism : en
  • US2157352A - Power transmission mechanism : en
  • AU107309B2 - Improvements in and relating to toggle operated presses : en
  • DE675585C - Automatic decoupling device for the couplings of the electrical connection lines between road vehicles : de en
  • CA381290A - Thermionic valve arrangement : en fr
  • US2157154A - Soda fountain : en
  • US2157572A - Velocity measuring device : en
  • US2157996A - Universal flexible and safety coupling : en
  • US2157730A - Hasp for luggage locks : en
  • US2157164A - Manufacture of esters of phosphoric acid : en
  • US2157455A - Bearing for rolling mills : en
  • US2157810A - Control of electric switches : en
  • US2157925A - Electric discharge apparatus : en
  • DE675397C - Process for the production of casein glue : de en
  • FR49587E - : fr
  • US2157178A - Public address stabilizing system : en
  • US2157253A - Tractor wheel scraper : en
  • US2157722A - Electric discharge tube : en
  • GB505554A - Automatic lathe : en
  • DE666536C - Projector : de en
  • AT156054B - Generators for lighting vehicles. : de en
  • FR841185A - Remote position indicator : en fr
  • GB505493A - Improvements relating to the construction of reinforced concrete floors : en
  • GB505234A - Improvements in cartons : en
  • GB505475A - Improvements in methods of preserving latex and the products thereof : en
  • AU173538A - Improvements in or relating ter navigation aiding radio systems : en
  • CA381251A - Deep sea dredge : en fr
  • DE675575C - Control valve for vacuum lines : de en
  • FR840967A - Process for producing sound films and color sound films : en fr
  • GB505310A - Improvements in and relating to steam turbine plants : en
  • AT156057B - Roof tile covering. : de en
  • AU107268B2 - Improvements in or relating to voltage regulators : en
  • AU468438A - Stimulation of growth from plant cuttings : en
  • AU107270B2 - Improved powder gas operated reloader for firearms : en
  • AU107314B2 - Improvements in or relating to electric incandescent lamps having gas-filling which contains nitrogen : en
  • US2157380A - Suspensions for coating and other purposes : en
  • US2157950A - Cover for steering wheels : en
  • FR841151A - Process for making a fermented beverage similar to beer : en fr
  • GB505745A - Improvements in or relating to timing arrangements for the control of electromagnetic switches : en
  • FR840978A - Device for the operation of television tubes : en fr
  • FR841145A - Device for coupling two or more marine engines on a single propeller shaft : en fr
  • US2157885A - Joint for pipes and other metal members : en
  • US2157315A - Process of removing ash-forming constituents from a residual petroleum oil : en
  • FR840935A - Improvements to lean gas scrubbers : en fr
  • USD114718S - Design fob a bottle : en
  • US2157425A - Window construction : en
  • US2157634A - Mapping device : en
  • US2157477A - Fishhook connector and spreader : en
  • US2157363A - Draft rigging : en
  • US2157416A - Centrifugal atomizer : en
  • DE675528C - Process for the production of multicolor photographs on multilayer material : de en
  • GR8190B - INSECTICIDES AND FUNGICIDES POWDERS. : el en
  • US2157677A - Receiver for observing two : en
  • US2157830A - Power system : en
  • DE675353C - Stabilization of saltpeter baths : de en
  • US2157171A - Block signal for toy railroads : en
  • US2157593A - Device for drawing strips through perforated materials : en
  • US2157509A - Process for the removal of fluorides from water : en
  • US2157540A - Cyclometer clock : en
  • GB505206A - Improvements in and relating to waterproof collars, cuffs and similar articles : en
  • GB505235A - Improvements in or relating to children's cots and the like : en
  • GB505364A - Improvements in electric light lamp stands or standards : en
  • US2157979A - Process of making alloys : en
  • GB505355A - Improvements in or relating to cathode ray deflection : en
  • GB505421A - Improvements relating to sewing machines : en
  • GB505567A - Improvements in or relating to portable frames or lights for horticultural and like purposes : en
  • GB505305A - Improvements in or relating to remotely acting liquid pressure position-indicating devices : en
  • GB505553A - Improvements in and relating to slot filters : en
  • IE15436L - Thermionic valve circuits. : en
  • US2157811A - Coiling mechanism : en
  • AU107271B2 - Improvements in or relating to collapsible ladders : en
  • US2157287A - Counterflow system for wool scouring machines : en
  • US2157494A - Meat stuffer : en
  • US2157825A - Bumper structure : en
  • USD114666S - Design for a housing for an air con : en
  • US2157136A - Ornamental wheel disk : en
  • US2157183A - Method of making a patch : en
  • US2157194A - Packaging : en
  • USD114702S - Design fob a dress : en
  • US2157668A - Filter for cream and milk : en
  • USD114675S - Design fob a display stand : en
  • GB505391A - Improvements relating to protective apparatus for compressed air plant : en
  • GB505342A - Improvements in or relating to superheaters for vapour generators : en
  • GB505460A - Improvements in pipe line supports : en
  • US2157479A - Lubricating oil compositions, inhibitors therefor, and methods of manufacturing the same : en
  • US2157643A - Oil-fired furnace : en
  • USD114648S - Design fob a tellurian : en
  • AU168538A - Improvements in evaporative condensers : en
  • CA381343A - Telephone system : en fr
  • US2157233A - Metallic girder : en
  • DE675496C - Cooling and lubricating device for internal combustion engine systems, in particular emergency power systems, with two separate devices that each promote coolant and lubricant : de en
  • DE675313C - Crystal filter with variable bandwidth, especially for receivers : de en
  • FR841072A - Device for the execution of assemblies on large construction parts by electric resistance welding : en fr
  • GB505575A - Improvements in or relating to speed-indicating means for use in printing-telegraph apparatus : en
  • FR840936A - Improvement in the decoration of glass surfaces : en fr
  • GB505481A - Light-weight wheel and process for its manufacture : en
  • FR841032A - Rotary pump for the distribution of pasty materials and its application to drums of lubricating grease : en fr
  • FR841067A - Resorbent shutter device for tanks and other liquid reservoirs : en fr
  • DE675665C - Device for electricity meter : de en
  • GB505571A - Improvements in free-wheel driving mechanism : en
  • GB505541A - Improvements relating to pedals for cycles and the like : en
  • US2157882A - Process for purifying vegetable and animal oils : en
  • FR840966A - Improvements to vacuum cleaning devices : en fr
  • GB505426A - Improvements in or relating to magnetrons : en
  • GB505617A - Improvements in or relating to electric furnaces : en
  • US2157813A - Ice cream dipper : en
  • US2157869A - Power system : en
  • AT156149B - Tubular partition for the production of composite castings, in particular chilled cast iron rolls. : de en
  • AU107304B2 - A container for flexible articles : en
  • FR841111A - Method and devices for transforming illumination variations into mechanical actions : en fr
  • GB505555A - Improvements in lead alloys : en
  • FR840956A - Process and devices for supplying internal combustion engines : en fr
  • GB505570A - Improvements in or relating to arc-gaps for protecting electric power supply systems : en
  • US2157711A - Tractor : en
  • US2157987A - Stapling plier : en
  • CA381312A - Ketone purification : en fr
  • US2157602A - Safety crossing : en
  • US2157317A - Automobile direction indicator : en
  • US2157659A - Injection engine : en
  • US2157688A - Form for concrete and the like walls and method : en
  • US2157395A - Mechanical massaging apparatus : en
  • GB505509A - Improvements in electrical signalling systems : en
  • FR841164A - Device for cleaning plants, such as beets, potatoes, rootlets, etc. : en fr
  • CA381311A - Piston ring : en fr
  • GB505439A - Improvements in the manufacturing process of tins and like containers : en
  • US2157714A - Circuit breaker : en
  • US2157871A - Movable core alternating-current arc welder : en
  • US2157873A - Process for extreme pressure lubricants : en
  • DE675668C - Process for the production of solid fluorescent substances : de en
  • GB505375A - Improvements in or relating to fluid pressure brakes : en
  • US2157576A - Arrangement of oscillation crystals : en
  • US2157656A - Tea bag, coffee bag, and the like : en
  • FR841018A - Improvements to carburized alloy compositions : en fr
  • FR49594E - : fr
  • DE675669C - Process for the production of hydrogen-rich gases from gaseous or liquid hydrocarbons : de en
  • FR841189A - Fuel supply system for internal combustion injection engines : en fr
  • DE675402C - Plastic button for protective clothing with a completely embedded metal core forming a reinforcement insert : de en
  • FR841029A - Process for carrying out catalytic reactions : en fr
  • FR840995A - Flying machine : en fr
  • GB505645A - Pedal arrangement for the control of the gas admission and the brakes in motor vehicles : en
  • FR841044A - Electric amplifier : en fr
  • GB505339A - Improvements in article-delivery machines : en
  • FR841136A - Improvements made to the method of closing jars of jams and preserves : en fr
  • US2157520A - Apparatus for handling foam chemicals : en
  • US2157534A - Power supply system : en
  • US2157626A - Oil retainer : en
  • FR49593E - Method and device for making stockings with French heels and French feet : en fr
  • US2157176A - Dust trap for sewing and other machines : en
  • US2157720A - Microphone : en
  • US2157866A - Valve stem packing : en
  • DK56150C - Pressure lubricator. : da en
  • US2157364A - Door operating means for electric couplers : en
  • FR841124A - Shoe tree system : en fr
  • USD114738S - Design fob a dbess : en
  • US2157697A - Manufacture of plastic masses : en
  • GB505335A - Improvements in mountings for bearings of delivery rollers in spinning machines, doubling frames and like textile machines : en
  • GB505641A - Automatic laundering machine : en
  • FR49596E - Multigrid tube : en fr
  • FR840927A - Cryptographic device : en fr
  • US2157257A - Container and carrying case : en
  • GB505500A - Improvements in or relating to non-linear thermionic valve stages : en
  • GB505225A - Feeding device for ironing machines : en
  • GB505233A - Improvements relating to valves for controlling the flow of fluids : en
  • US2157263A - Valve actuating mechanism : en
  • US2157963A - Retractable landing gear for airplanes : en
  • US2157469A - Fan for separators : en
  • US2157669A - Priming mixtures : en
  • US2157471A - Machine tool : en
  • CA381306A - Double window : en fr
  • DE675407C - Regularly set filling of rooms or towers : de en
  • GR8200B - CARPETS (SHOE CLEANERS) FROM OLD TIRE CARS. : el en
  • GB505559A - Improved manufacture of vinylmethyl ketone : en
  • AU107289B2 - Improvements in and relating to aircraft sustaining rotors : en
  • US2157125A - Cigar bunch shaping machine : en
  • DE675532C - Intrusion alarm system : de en
  • CA381223A - Electric connector : en fr
  • AU107307B2 - Improvements in or relating to time switches : en
  • CA381283A - Railway interlocking system : en fr
  • US2157104A - Beam : en
  • US2157462A - Grinding mill : en
  • US2157362A - Process of producing urethane substances containing carboxyl or sulphonic acid groups : en
  • US2157375A - Facing tool for stuffing boxes and the like : en
  • FR841141A - Metallurgical furnace : en fr
  • GB505316A - Improvements in and relating to aircraft landing sails : en
  • FR841059A - Folding camera : en fr
  • GB505521A - Improvements in or relating to packages : en
  • DE675386C - Bearing mounting in housing : de en
  • GB505408A - Improvements in moving stairways : en
  • US2157902A - Impregnation of metals with silicon : en
  • US2158029A - Wire connector : en
  • US2157213A - Coating device for wet paper : en
  • US2157563A - Lamp changer : en
  • US2157977A - Automatic regulating device for current rectifying apparatus : en
  • GB505236A - Improvements relating to striking plates for door and like fastenings : en
  • CA381299A - Venetian blind : en fr
  • CA381266A - Can and cover washing machine : en fr
  • CA381330A - Cartoon type film production : en fr
  • US2157271A - Concrete wall structure : en
  • US2158042A - Air cleaner : en
  • DE675570C - Drive device for control slide of two-stroke internal combustion engines : de en
  • US2157165A - Doll construction : en
  • US2157571A - Fuel valve for internal combustion engines : en
  • FR841159A - Improvements in processes and apparatus for detecting defects in a metallic object : en fr
  • GB505346A - Device for mounting two aeroplane propellers coaxially and with reverse directions of rotation : en
  • US2157269A - Torch for welding, cutting, and the like : en
  • US2157407A - Package : en
  • DE675467C - Electric immersion heater : de en
  • US2157880A - Recording system : en
  • AU111947B2 - Improvements in or relating to electric discharge tubes : en
  • DE675427C - Polarized electromagnetic device with oscillating armature, in particular relay : de en
  • US2157302A - Container : en
  • US2157370A - Feeding mechanism for sewing machines : en
  • US2157396A - Elevator leveling system : en
  • AT156116B - Pipe clamp for connecting three pipes of a scaffolding that run in different directions. : de en
  • FR841177A - Receiving device of t. s. f. : en fr
  • US2157141A - Pump and pumping system : en
  • US2157185A - Electric sign : en
  • US2157347A - Production of vinyl ethers derived from carbohydrates : en
  • US2157768A - Production of metallic briers : en
  • US2157791A - Darning device : en
  • DE675394C - Arrangement for the rapid protection of cables and switches against severe short circuits : de en
  • US2157175A - Stamped metal wheel : en
  • DE675546C - Electrical switch, with which the switching contacts are opened within a steam or gas-filled extinguishing chamber : de en
  • DE675568C - Holding device for ladders : de en
  • US2157928A - Electric locomotive : en
  • GB505419A - Improvements in ring spinning machines : en
  • US2157334A - Cellulosic coating : en
  • US2157404A - Turntable : en
  • US2157800A - Concrete wall form : en
  • USD114647S - Design fob a phonograph cabinet top : en
  • DE675418C - Arrangement for energy regulation in tube transmitters : de en
  • FR841107A - Device for improving the functioning of t receptors. s. f. : en fr
  • AU168338A - Improvements in or relating to the remote control of radio receiving apparatus : en
  • US2157209A - Method of making lenses : en
  • US2158043A - Self-preserving semisolid food product from distiller's slop : en
  • DE675375C - Device for regulating the power sharing of several synchronous machines working on the same network : de en
  • DE675552C - Electric discharge tubes with gas or vapor filling, in particular metal vapor lamps, set up for the passage of current on both sides : de en
  • US2158040A - Process for hydrogenation of ketones : en
  • FR841084A - Rubble with continuous air mattress in both horizontal and vertical directions : en fr
  • FR841015A - Jet-propelled projectile : en fr
  • AU111890B2 - Improvements in and relating to means for inserting electric discharge tubes into holders : en
  • US2157474A - Method and installation for taking x-ray exposures : en
  • DE675388C - Fire protection with melting strips : de en
  • FR841041A - Cable sheep weight control device : en fr
  • US2157613A - Rear view mirror : en
  • USD114693S - Design for a wooden chair : en
  • US2157666A - Flywheel magneto assembly for internal combustion engines : en
  • GB505302A - An apparatus for detecting, indicating or recording the presence of inflammable gas : en
  • DE675534C - Method and device for tying packages with wire : de en
  • DK56156C - Automatic Firearm Charger Type Firearm. : da en
  • GB505358A - A new or improved process for the formation of patterns on sheet metal : en
  • DE675563C - Device for roasting and frying food, in particular for the production of roasted sandwiches : de en
  • FR840934A - Experimental apparatus for studying mechanics : en fr
  • GB505422A - Improvements relating to sewing machines : en
  • US2157621A - Printing cylinder : en
  • US2157914A - Hydraulic back pressure arrester : en
  • US2157115A - Muffler : en
  • GB505284A - An improvement in fuse carriers for electric fuses : en
  • FR49573E - Multigrid tube : en fr
  • GB505522A - Improvements in or relating to electric exploders : en
  • US2157374A - Trussed plate structure : en
  • DE675637C - Wuehl-, minced and Haeufelkoerper for potato culture : de en
  • US2157450A - Fountain pen eraser attachment : en
  • DE675406C - Cutting machine for paper, cardboard, etc. Like. with spindle pressure to be actuated by handwheel : de en
  • DE675525C - Process for the production of long, hollow and, in particular, thin-walled molded bodies from an organic plastic : de en
  • US2157958A - Indexing mechanism for automatic screw machines : en
  • GB505468A - An improved process for tanning skins and pelts : en
  • US2157731A - End closure for mixing drums : en
  • AT156053B - Redesign of cotton lines. : de en
  • US2157676A - Apparatus for feeding plastic material in bar form. such as toffee in wrapping machines : en
  • DE675511C - Device for tensioning skis : de en
  • GB505539A - Sound deadening supporting element for securing machines and machine parts to a foundation : en
  • FR840957A - Process for sensitizing the resulting photographic emulsions : en fr
  • GB505584A - New anthraquinone vat dyestuffs : en
  • GR8198B - WATER PUMP WATERMOLOGY. : el en
  • US2157226A - Stamp holder : en
  • US2157301A - Conveyer for granular materials : en
  • US2158034A - Silicon carbide abrasive product and method of manufacture : en
  • DE675582C - Device for the compression or dewatering of fibrous masses : de en
  • GB505461A - Improvements in and relating to foldable cots : en
  • FR841035A - Method for imparting flexibility to soles of cork, wood and the like of footwear and products obtained by this method : en fr
  • US2157293A - Finger cot : en
  • US2157971A - Velocipede structure : en
  • USD114633S - Design fob a shoe : en
  • GB505452A - Improvements in and relating to chemical reaction chambers : en
  • FR840994A - Process for the preparation of ketones of the cyclopentano-polyhydrophenanthrenic series and resulting products : en fr
  • FR841062A - Improvements to double twist devices for spinning, twisting, doubling, etc. : en fr
  • GB505976A - Manufacture of nitrogenous artificial materials : en
  • US2157651A - Road-rail vehicle : en
  • DE675420C - Device for influencing or modulating ultra-short waves : de en
  • FR840919A - Device for mounting luminescent tubes : en fr
  • GB505311A - Improvements in or relating to vacuum cleaners : en
  • GB505298A - Improvements relating to electric voltage regulators : en
  • GB505469A - An improved sprinkler device for attachment to watering cans : en
  • DE675636C - Device for regulating the gas flow, e.g. for luminosity measurements : de en
  • DE665114C - Method of operating resistance cells : de en
  • GR8195B - TORPILLA AFTER TORPILLO GUIDE. : el en
  • FR840985A - Improvements made to free-piston machines, in particular to auto-compressors or auto-generators of this kind : en fr
  • GB505538A - A device for operating and locking a part movable around an axis and submitted to electromagnetic forces : en
  • GB505371A - Manufacture of triphenylmethane dyestuffs : en
  • GB505431A - Improvements relating to hinge mountings for doors, panels, hatchways or the like : en
  • US2157131A - Can cooling and drying machine : en
  • US2157899A - Battery-operated receiver : en
  • GB505535A - Improvements in universal joints : en
  • CA381258A - Yarn cake swift : en fr
  • FR841149A - Dispenser-doser, especially for liquid soaps : en fr
  • GB505550A - Improved construction of box or carton : en
  • DE675614C - Process and device for the production of chlorinated lime : de en
  • DK56145C - Process for the production of a liquid adhesive consisting of plastic, polymerized chloroprene. : da en
  • FR841042A - Profile stiffeners for airplanes and their manufacturing process : en fr
  • GB505449A - Improvements in or relating to steam power plant operating in accordance with the variable pressure method : en
  • US2157487A - Apparatus for producing comustible gas : en
  • US2157446A - Water cooler : en
  • FR841113A - Improvements made to keys for nuts, spark plugs, etc. : en fr
  • USD114638S - Design for a suspender end or the : en
  • US2157188A - Pronged-device connector : en
  • US2157781A - Cable reel : en
  • USD114699S - Design fob a tot : en
  • DE675608C - Canning jar : de en
  • GB505417A - Improvements in and relating to locking means for bucket pins : en
  • US2157507A - Process for producing materials for removal of certain halide ions from water : en
  • US2157887A - Air and water service station : en
  • GB505363A - Improvements in and relating to the mounting of reciprocating engines : en
  • USD114667S - Design for a bottle or similar : en
  • USD114678S - Design fob an atomizer : en
  • USD114719S - Design for a textile fabric : en
  • US2157328A - Fluid-pressure-operated gear shifter : en
  • US2157356A - Back mold wiper : en
  • US2157499A - Motor vehicle : en
  • DE675483C - Device for regulating direct current motors, in particular for driving roller lines : de en
  • DE675588C - Device for suspending a body, in particular a tilting container, in two axes on a vehicle : de en
  • FR841119A - Combination Switch Enhancements : en fr
  • DE675387C - Double-sided clamp for holding film ends : de en
  • DE675687C - Support frame for backpacks : de en
  • GB505484A - Improvements in or relating to absorption refrigerating systems : en
  • DE675512C - Safety binding for skis triggered in the event of a fall : de en
  • GB505379A - Improvements in devices for measuring the flow of milk or other liquids : en
  • DE662165C - Filter device on projectors for colored reproduction of black and white films : de en
  • FR49569E - Improvements in the construction of silencers for internal combustion engines and the like : en fr
  • FR840991A - Process for manufacturing compressed cores in magnetizable metal powder : en fr
  • FR841025A - Development of telecommunication systems : en fr
  • GB505474A - Improvements in and relating to electric discharge devices : en
  • DK56151C - Pipe coupling. : da en
  • US2158028A - Spring : en
  • DE675683C - Rotary resistor or rotary switch with airtight, enclosed ring-shaped sliding contact track : de en
  • US2157506A - Light-sensitive cell manufacture : en
  • US2157976A - Apparatus for lofting and fluffing yarns and the like : en
  • CA381324A - Drop wire running method : en fr
  • DE674176C - Braking device with variable transmission and a common control lever for pre-braking and main braking : de en
  • FR49561E - Process for taking, copying and showing black and white or color embossed cinematographic films : en fr
  • FR840973A - Security device for motor vehicles or other applications : en fr
  • FR840986A - Improvements made to free-piston machines, in particular to auto-compressors, or auto-generators of this kind : en fr
  • US2157329A - Control system : en
  • US2157620A - Mower attachment : en
  • US2157784A - Garment : en
  • GB505392A - Improvements in and relating to monumental plinths or foundations : en
  • DE675547C - Device for the simultaneous and automatic control of several independently working, electromotive or electrohydraulically driven presses : de en
  • US2157270A - Apparatus to make : en
  • US2157339A - Apparatus for conveying particulate materials : en
  • FR840990A - Viewfinder for folding cameras : en fr
  • FR841173A - Advanced edge sander for the hat industry : en fr
  • GB505476A - Improvements in rotary internal combustion engines : en
  • GB505563A - Improvements in or relating to the production of textile products : en
  • US2157262A - Adjustable measuring cup : en
  • US2157146A - Scale-resisting steel alloy : en
  • US2157244A - Hair curler : en
  • US2157554A - Foot valve for pump suction lines : en
  • GB505455A - Dropping bottle : en
  • GB505383A - An improved dress display stand : en
  • FR841126A - Lock : en fr
  • GB505382A - Improvements relating to feed rollers for use in connection with fibre opening machines, carding machines and the like : en
  • GR8196B - DATOMOGRAPHER. : el en
  • FR840952A - Protection device for machine tools : en fr
  • DE675645C - Arrangement of picture and sound recorders, which record picture and sound of the same scene : de en
  • DE675593C - Device for applying colors to objects : de en
  • GB505327A - Improvements in and relating to water tube steam boilers : en
  • GB505471A - An improved hacksaw : en
  • AU107292B2 - Improvements in o r relating to the treatment of textiles : en
  • DE675425C - Arrangement for the regulation of a technical-physical quantity with the help of a direct voltage dependent on this quantity : de en
  • FR840962A - Lubricant and process for obtaining it : en fr
  • US2157169A - Heat bag : en
  • US2157420A - Ski pole : en
  • US2157464A - Elastic strain absorber with lace stitch : en
  • US2157706A - Weighing and weight change indicating device : en
  • DE649074C - Device for the revitalization of light tubes : de en
  • DE675472C - Process for the preservation of juicy green fodder : de en
  • US2157232A - Envelope opening machine : en
  • US2157559A - Method of preparing hypochlorites : en
  • US2157750A - Closure device for a tubular member adapted for displaying advertising matter : en
  • FR840964A - Process for the preparation of oxidation products of sterols, containing two ketone groups : en fr
  • AU32938A - Alighting unit and means for increasing and decreasing the illuminating power thereof as required : en
  • US2157385A - Method of printing : en
  • CA381275A - Ball and socket joint : en fr
  • CA381338A - Tabulating machine : en fr
  • GB505223A - Improvements in and relating to grinding wheels and methods and apparatus for manufacturing the same : en
  • US2157122A - Warning system for indicating the proximity of aircraft : en
  • DE675424C - Regenerative braking circuit for alternating current collector machines : de en
  • FR840916A - Sound absorbing panel : en fr
  • FR841045A - Synchronization method for television transmission : en fr
  • FR841198A - Gasifier : en fr
  • FR841181A - Portable vertical all-wave antenna, special for short waves : en fr
  • FR49595E - High quality alloy and their production process : en fr
  • GB505340A - Drop catchers for pouring vessels : en
  • GB505370A - Improvements in or relating to electrical communication systems : en
  • GB505649A - Starting device and automatic regulator for electric motors : en
  • US2158021A - Vulcanization of rubber : en
  • GB505441A - Improvements in or relating to broaching : en
  • DE675680C - Switchgear with several separable cables : de en
  • GB505495A - An improved gyro-magnetic compass combination : en
  • FR841112A - Protective coating in particular for building materials against corrosion or destruction : en fr
  • US2157368A - Machine for forming seams : en
  • US2157997A - Method of treating polyvinyl halides : en
  • AT156111B - Method for generating parallax stereograms. : de en
  • AU107272B2 - Deformation control for resilient bodies andthe like : en
  • CA381239A - Doughnut cutter : en fr
  • FR841006A - Process for obtaining slag containing vanadium : en fr
  • GB505448A - Improvements in amplifier arrangements for television purposes : en
  • US2157138A - Method of and apparatus for producing steroscopic pictures : en
  • AU377138A - A container for flexible articles : en
  • AU107308B2 - An improved handpiece for fencepost boring apparatus : en
  • US2157937A - Bottle cap : en
  • DE675471C - Process for making decaffeinated coffee : de en
  • US2157340A - Method and means for supporting potted plants : en
  • US2157681A - Trailer hitch : en
  • CA381237A - Combination gasoline and oil engine : en fr
  • US2157655A - Tire alarm : en
  • US2157778A - Dispensing device : en
  • US2157359A - Building construction : en
  • US2157456A - Method of uniting sprayed metal to wood : en
  • US2157529A - Relaxation oscillator : en
  • US2157560A - Thermally-actuated circuit breaker : en
  • DE675469C - Conical bushing for plain bearings : de en
  • GB505283A - Improvements relating to the separation of material in a finely divided state : en
  • GB505482A - Improvements in protective compositions : en
  • FR840914A - Metal sleeper for shoring, especially for mine breakers : en fr
  • US2157691A - Wheel : en
  • AU107278B2 - Attachment to pneumatic tyred wheels to prevent slipping : en
  • DE667513C - Device for maintaining the tuning of musical instrument strings : de en
  • CA381231A - Hoist : en fr
  • GB505286A - Improvements in and relating to vehicle-actuated means for operating doors or gates : en
  • GR8193B - MANUAL RUNNERING DEVICE. : el en
  • US2157584A - Radio station recorder : en
  • AT156067B - Loudspeaker with a faceplate in the form of a box. : de en
  • AU195938A - A variable gain amplifier for fading television signals : en
  • US2157173A - Loom reed : en
  • AU107295B2 - Improvements in mechanism for recording information in telephone systems : en
  • AU170038A - Improvements in or relating to collapsible ladders : en
  • US2157215A - Electric cut-out : en
  • DE675486C - Current and voltage measuring device for direct and alternating current with several measuring ranges : de en
  • US2157348A - Production of aliphatic vinyl ethers by means of acetylene : en
  • AU174538A - Electron discharge devices with successive electrically controlled multiple emissions : en
  • US2157757A - Variable speed transmission : en
  • AU171538A - Improvements in or relating to multiple wave electric oscillations : en
  • DE675500C - Rotary piston machine : de en
  • FR49582E - Improvements to thermionic valves : en fr
  • DE675686C - Manufacture of titanium group pigments : de en
  • US2157679A - Method of making turbine elements : en
  • US2157151A - Tire grooving tool : en
  • AT156089B - Liquid-tight container. : de en
  • US2157790A - Measuring energy in psychological experimentation : en
  • US2157967A - Tire retreading device : en
  • US2157284A - Fuel feeding device for internal combustion engines : en
  • US2157824A - Photoelectric cell oscillation circuit : en
  • USD114668S - Smoking stand : en
  • US2157307A - Damper and filter arrangement for air circulating units : en
  • US2157331A - Blowpipe : en
  • US2157378A - Freely flowing suspensions of pigments and other particles : en
  • AT156088B - Process for sealing or consolidating permeable or loose soil layers or base materials and for sealing porous masonry and other stony masses. : de en
  • AU107273B2 - Improvements in or relating to electrical oscillation generators : en
  • DE675684C - Centrifugal contact controller in which the moving contact and the centrifugal mass are rigidly connected to one another : de en
  • US2157391A - Catalytic reduction of nitro compounds : en
  • US2157515A - Method of treating animal casings : en
  • US2157400A - Display apparatus : en
  • CA381232A - Portable electric head lamp : en fr
  • FR840930A - Color registration process in continuous printing using rotary presses : en fr
  • FR841037A - Seal : en fr
  • US2157239A - Bottle cap : en
  • USD114662S - Design fob a brooch or similar : en
  • US2157982A - Manufacture of footwear : en
  • DK56130C - Procedure and Apparatus for the Temporary Storage or Storage of Waste Materials. : da en
  • FR841174A - Advanced shock absorber : en fr
  • FR840980A - Process for improving lubricating oils already of the highest quality : en fr
  • US2157828A - Sliding clasp fastener : en
  • FR841138A - Adjustable jet valve : en fr
  • GB505542A - A worm press for moist material : en
  • GB505540A - Improvements in the propulsion of hydroplane boats : en
  • DE675436C - Low pressure steam boiler for installation in kitchen stoves : de en
  • CA381280A - Coupling means for circuits : en fr
  • FR841120A - Improvements to recording manometers : en fr
  • AT156068B - Magnet system for electrodynamic apparatus, e.g. B. for speakers. : de en
  • CA381245A - Refrigerator : en fr
  • GB505758A - Improvements relating to brake and clutch mechanism particularly for hoisting drums : en
  • US2158047A - Variable speed transmission : en
  • US2157319A - Method of hardening structures produced from fibrous masses derived from animal hidesubstances : en
  • US2157388A - Method of printing and setting a printing ink : en
  • US2157542A - Governor : en
  • US2157951A - Well drilling cable control : en
  • USD114726S - Design for a dress : en
  • FR840938A - Device indicating the distribution of the different parts of the load of an air navigation machine, making it possible to obtain a correct centering of the latter : en fr
  • FR841050A - Process for condensing vapors and vapor mixtures contained in gases : en fr
  • FR841178A - Process for producing wash-resistant finishes : en fr
  • GB505618A - Improvements in or relating to electron discharge devices, more particularly for television transmission systems : en
  • GB505650A - Improvements relating to the joints between the abutting sections of concrete road and like coverings : en
  • DE675494C - Cooled spark plug : de en
  • FR841053A - Process for removing printing ink from printed papers : en fr
  • DE675671C - Support for measuring instruments with rotating shaft, especially for electricity meters : de en
  • FR841028A - Process for preparing artificial resins : en fr
  • GB505320A - Compound sheet material suitable for making display devices or decorative forms for advertising and the like : en
  • US2157910A - Liquid heater : en
  • USD114655S - Design for a brooch or similar : en
  • FR49554E - Cathode refinements for projection arc lamps : en fr
  • CA381253A - Spark plug : en fr
  • US2157290A - Drain for foundation walls : en
  • GB505633A - Improvements in and relating to reversing gear for laundry and like machines : en
  • FR841134A - Registration and locking device for printing carriage : en fr
  • US2157155A - Treating aluminum surfaces : en
  • US2157702A - Spring tooth harrow : en
  • USD114674S - Design fob a display stand : en
  • CA381222A - Peat dehydrating process : en fr
  • US2157838A - Elastic fluid turbine shaft and disk structure and the like : en
  • US2157203A - Dehydrogenation of hydrocarbons : en
  • US2157713A - Process of manufacturing sucker rod couplings and couplings so made : en
  • US2157689A - Pessary : en
  • US2157793A - Automobile fender : en
  • GB505444A - Ingot moulds and ingots and method of producing ingots : en
  • GB505467A - Improvements in or relating to four stroke cycle internal combustion engines operating by means of liquid fuel injection : en
  • FR49576E - Improvements to electronic television transmitters : en fr
  • FR841086A - Earpiece horn for telephone receiver or mouthpiece for microphones : en fr
  • GB505200A - Improvements in sizing paper : en
  • US2157526A - Sealing surface member : en
  • USD114724S - Audible alarm : en
  • DE675597C - Centrifugal governor for toy spring drives : de en
  • FR840950A - Improvements to machines for cutting helical grooves with constant or variable pitch in drills, wood bits, reamers or other similar tools : en fr
  • FR840988A - Method and apparatus for preparing so-called <<silent>> sound recordings of the variable width type or of the variable intensity type : en fr
  • FR841105A - Improvements to the heat-insulated envelopes of thermal devices and more specifically of devices for the manufacture of whipped cream : en fr
  • US2157316A - Sliding groove lock : en
  • US2157523A - Coupling device : en
  • US2157942A - Foot actuated switch structure : en
  • USD114694S - Design for a flexible pocket : en
  • US2157338A - Spinning rope pipe tongs : en
  • US2157541A - Method of manufacturing a fertilizer by employing calcium cyanamide as the raw material : en
  • US2157946A - Infeed cycle control mechanism for grinding machines : en
  • FR49579E - Method and device for bringing materials in powder form to a determined density, and where appropriate for filling limited enclosures with adjustable amounts of these materials : en fr
  • GB505330A - Improvements in or relating to brakes : en
  • FR841014A - Device for numbering photographic prints : en fr
  • GB505262A - Improvements in or relating to baths : en
  • FR840910A - Servomotor : en fr
  • FR841163A - Variable height packing box for transporting goods : en fr
  • GB505568A - Improvements in electric brakes : en
  • DE675640C - Frames for binders or other serious machines with pneumatic tires : de en
  • US2157831A - Stabilized antiseptic cream : en
  • US2157616A - Aligning and racket stringing device : en
  • US2157377A - Electric cable : en
  • US2157930A - Lock for elevator doors : en
  • DE674522C - Deflector system for Braun tubes, especially for television purposes : de en
  • GB505290A - Improvements in and relating to card-board and like boxes : en
  • GB505517A - Process for producing coloured shaped structures : en
  • GB505489A - Improvements in and relating to intake manifolds for the cylinders of internal combustion engines : en
  • US2158006A - Ironer roll padding : en
  • DE675399C - Outside heated vertical chamber furnace : de en
  • DE675465C - Elimination of the hanging of the gates in shaft ovens, especially blast furnaces : de en
  • DE675506C - Locking and locking device for bottom hung windows with latches : de en
  • GB505314A - Improvements in the attachments of side-tubes to thick-walled tubular vitreous (especially quartz) envelopes : en
  • GB505393A - Improvements in methods and apparatus for the manufacture of tires : en
  • GB505288A - Improvements relating to knitted articles : en
  • US2157217A - Combination material mixer and mold : en
  • US2157874A - Machine for sizing leather belts : en
  • USD114728S - Design for a dress : en
  • FR840925A - Cartridge evacuation device for automatic weapons under cover : en fr
  • FR49580E - Solar boiler and installation for the use of hot water thus produced, the automation of which is obtained by thermostat : en fr
  • FR841125A - Improvement in plastic stereotypy processes : en fr
  • FR841020A - Process for the continuous preparation of matured alkaline cellulose from alkaline cooking cellulose pulp : en fr
  • FR841110A - Improvement in fuel and oxidizing gas mixing devices : en fr
  • GB505219A - Improvements in or relating to apparatus for playing table games : en
  • FR841116A - Improvement in drift correction devices for shooting correctors against mobile targets : en fr
  • US2157682A - Time controlled feeding device for domestic pets : en
  • FR841199A - Device for mounting an incandescent electric lamp in a reflector : en fr
  • USD114704S - Design for a dress : en
  • US2157101A - Bearing : en
  • US2157986A - Arrangement for connecting struc-tural elements : en
  • US2158027A - Textile printing machine : en
  • US2157555A - Permutation padlock : en
  • US2157206A - Manufacture of diazo type material : en
  • US2157256A - Inking mechanism for printing presses and the like : en
  • US2157449A - Insect exterminator : en
  • US2157207A - Dispensing machine : en
  • US2157431A - Monoazo dyes of the xanthone series and process of making them : en
  • US2157764A - Internal combustion engine : en
  • US2157753A - Battery carrier and lifter : en
  • FR841080A - Tetracyclic condensation products and their preparation process : en fr
  • FR841147A - Device for maintaining dressings or plasters based on radioactive products at a constant level of radioactivity : en fr
  • FR841152A - Two-edged safety razor with intermediate plates : en fr
  • GB505532A - Improvements in or relating to electrical apparatus for the supervision of machine tools : en
  • DE675416C - Key transmitter for type printing telegraph : de en
  • DE675538C - Diffusion absorption refrigeration machine : de en
  • DE675530C - Ailerons for aircraft : de en
  • FR49577E - Process for removing ammonia from gas containing it : en fr
  • US2157712A - Process of producing red chromium pigments : en
  • FR841129A - Device for heat treatment of rail welds : en fr
  • GB505486A - Improvements in domestic cooking apparatus : en
  • DE675606C - Cylinder head for four-stroke internal combustion engines : de en
  • US2157282A - Dispenser : en
  • CA381325A - Hair dye : en fr
  • CA381346A - Piston lock release : en fr
  • GB505226A - Improvements in or relating to bedsteads for hospitals and like institutions : en
  • US2157114A - Electric switch : en
  • AT156105B - Method and apparatus for making lenticular color copies of lenticular color photographs. : de en
  • US2157325A - Ski : en
  • AT156110B - Process for the production of artificial stone from plaster of paris and fiber. : de en
  • GB505547A - Improvements in or relating to radio direction finders : en
  • US2157313A - Conditioning metal stock while in transit : en
  • US2157654A - Manufacture of articles from steel alloys : en
  • GB505630A - Improvements in and relating to forced-flow tubulous steam generators : en
  • GB505838A - Means for connecting radio receivers to aerial systems : en
  • FR841109A - Aluminum manufacturing process : en fr
  • US2157280A - Dressing bag : en
  • US2157989A - Pattern means for knitting machines : en
  • DE675519C - Arrangement for regulating the reactive power with the aid of saturated choke coils, in particular for regulating the reactive power of long long-distance lines : de en
  • FR841183A - Letter card or other missive arranged for advertising : en fr
  • USD114681S - Design for a stool : en
  • US2157133A - Process of extracting physiologically active materials from animal tissues : en
  • US2157435A - Synchronous motor : en
  • DE675607C - Method of manufacturing flanged bearing shells : de en
  • DE675526C - Process for the production of beryllium alloys and metallic beryllium : de en
  • US2157672A - Nut lock : en
  • US2157685A - Air conditioning system utilizing refrigeration : en
  • FR841190A - Automatic liquid heater : en fr
  • US2157250A - Carpet cleaning machine : en
  • US2157436A - Means for condensing fluids : en
  • US2157786A - Sink and table assembly : en
  • DK56140C - Glow electrode for electric discharge tubes, in particular high pressure discharge tubes. : da en
  • DK56136C - Steam generator. : da en
  • US2157746A - Superheater boiler : en
  • USD114717S - Design for a bicycle frame : en
  • US2157782A - Hand composition of matrices for typographical slug-casting machines : en
  • USD114637S - Design fob a dispensing cabinet : en
  • US2157323A - Tractor mounted implement : en
  • US2157975A - Humidifying apparatus for the treatment of wool yarn : en
  • FR840946A - Process for the automatic operation of air dryer devices, using absorbent materials, in particular silica gel : en fr
  • DE675158C - Buttonhole sewing machine : de en
  • AT156142B - Selenium metal rectifier. : de en
  • DE675448C - Piston pump : de en
  • US2157639A - Safety hitch : en
  • US2157729A - Apparatus for bringing a well into production : en
  • US2157744A - Heat exchanger : en
  • CA381297A - Vehicle window assembly : en fr
  • US2157145A - Air conditioning apparatus : en
  • US2157732A - Method of joining sheets : en
  • DE675598C - Stand for roll stands : de en
  • CA381313A - Well casing perforator : en fr
  • US2157439A - Shoe last : en
  • US2157984A - Method of winding and winding apparatus : en
  • USD114630S - Design for an automobile gear shift : en
  • US2157157A - Optical apparatus : en
  • CA381286A - Sand blast device : en fr
  • AU431738A - An improved handpiece for fencepost boring apparatus : en
  • CA381257A - Reversible cold rolling mill : en fr
  • US2157311A - Scraper : en
  • US2157467A - Machine for molding and embossing sweets : en
  • AT156060B - Air cooling for engines with V-shaped cylinders, in particular for motor vehicles. : de en
  • AU111887B2 - Improvements in or relating tothe manufacture of artificial textile fibres from casein : en
  • US2157511A - Process for effecting anion exchange : en
  • US2157461A - Coaster : en
  • CA381249A - Fur hair feeding device : en fr
  • CA381319A - Sewing machine : en fr
  • GB505546A - The manufacture of dyestuffs of the anthraquinone series : en
  • AT156073B - Paints. : de en
  • US2157903A - Torsion testing machine : en
  • CA381268A - Electric power transmission : en fr
  • GB505395A - Improvements relating to means for enclosing textile twisting spindle apparatus : en
  • GB505478A - Improvements in or relating to time-controlled valve devices : en
  • US2157134A - Lubricating oils : en
  • US2157275A - Bar support and spacer : en
  • US2158013A - Railway track gauge and alignment detector : en
  • US2157248A - Boring and threading device : en
  • US2157342A - Door check : en
  • AU169238A - Improvements in and relating to aircraft sustaining rotors : en
  • DE675524C - Coloring glass flux : de en
  • AT156098B - Telephone cables. : de en
  • DE675384C - Vessel with a sliding cover that can only be removed in one direction : de en
  • CA381329A - Musical instrument peg-lock and guard : en fr
  • DE675649C - Installation on bottle washing machines : de en
  • AT156071B - Heat sensor for heat regulator. : de en
  • CA381255A - Coloured photographic layer : en fr
  • CA381267A - Timing circuit : en fr
  • DE675619C - Piston valve with a main bore used for blow-down and emptying the boiler : de en
  • GB505624A - Improvements in, or relating to, head lamps for vehicles and in, or relating to, floodlights and searchlights : en
  • US2157872A - Binder : en
  • US2157255A - Friction sealing receptacle : en
  • AU107285B2 - Improvements in power driven elevators for use with motor trucks andthe like : en
  • AU107315B2 - An improved hand trolley for restaurant, hospital or domestic use : en
  • DE675633C - Device for attaching one or more sieves, cheesecloths u. Like. On vessels of different sizes : de en
  • US2157372A - Presser foot device : en
  • DK56146C - Vertical Retort for Degassing of Coal. : da en
  • GB505424A - Improvements in and relating to trousers : en
  • DE675493C - Fuel filter for internal combustion engines : de en
  • DE675389C - Traffic signal device : de en
  • DE675586C - Conical friction clutch that can be engaged and disengaged, especially for motor vehicles : de en
  • DE675485C - Carrier for the fusible link of a closed high-voltage fuse : de en
  • DE675670C - Jigsaw : de en
  • FR841122A - Improvements to processes for dyeing, deacidating or bleaching cake textiles such as rayon and similar products : en fr
  • GB505755A - Improvements in or relating to vibratory electric motors : en
  • AT156107B - Electrode entry for vacuum discharge devices, e.g. B. Mercury vapor converter with a metal vacuum vessel. : de en
  • US2157932A - Maternity skirt : en
  • DE675673C - Electrolytic water decomposer : de en
  • DE675543C - Strain relief clamp attached to a junction box for electrical wiring systems : de en
  • US2157879A - Purification and separation of gaseous mixtures : en
  • US2157221A - Continuous heating furnace : en
  • US2157346A - Lawn and garden tool : en
  • GB505238A - Improvements relating to ventilation particularly as protection against poisonous gas and the like : en
  • FR841146A - Fully deformable all-terrain vehicle with non-independent wheels : en fr
  • GB505412A - Improvements in and relating to coreless induction furnaces : en
  • DE675477C - Process for making an artificial boa : de en
  • USD114687S - Design fob a waffle iron ob similar : en
  • US2157795A - Typographical machine : en
  • US2157940A - Conversion of hydrocarbons : en
  • FR49572E - Method and apparatus for balancing rotors : en fr
  • FR841001A - Interior upholstery consisting of elastic springs for seats, rest furniture, mattresses, cushions, etc. : en fr
  • FR841123A - Automatic keypad for adjusting t stations. s. f. : en fr
  • GB505616A - Process for obtaining beryllium and beryllium alloys : en
  • FR49600E - : fr
  • USD114663S - Design for a brooch or similar : en
  • US2157644A - Tenter machine : en
  • USD114686S - Design for a glass jab : en
  • US2157106A - Fly swatter : en
  • DE675557C - Process for the production of chromium-containing dyes : de en
  • FR840989A - Talking film device : en fr
  • AU107302B2 - Improvements in or relating tothe production of synthetic resins for moulding : en
  • GB505301A - Improvements in or relating to arrangements for supplying direct current electric circuits from three-phase alternating current electric circuits : en
  • GB505506A - Improvements in automatic telephone systems : en
  • US2157322A - Magnesium alloy : en
  • US2157536A - Wrapper cutting and delivering mechanism : en
  • US2157561A - Detachable antislipping means : en
  • US2157337A - Apparatus for assembling stovepipes : en
  • US2157182A - Cathode ray deflecting device : en
  • US2157508A - Process for the recovery of iodides, as iodine from water : en
  • US2157273A - Tractor cultivator : en
  • US2157553A - Regenerating structure and method : en
  • US2158016A - Approach control apparatus for railway signaling systems : en
  • US2157285A - Fuel feeding device for internal combustion engines : en
  • FR49552E - Process for extracting iodine from iodine, mineral, organic or other compounds : en fr
  • FR840958A - Process for preparing gold compounds from keratin degradation products : en fr
  • GB505240A - Improvements in safety guards for collapsible gates : en
  • DE675573C - Valve internally cooled with gaseous coolant : de en
  • GB505418A - Improvements in and relating to heald lifting arrangements for looms : en
  • GB505502A - Process for preventing rubber objects from sticking together and improving the quality and durability of raw rubber in a divided state : en
  • FR840929A - Improvements to the doors of hangars or similar constructions : en fr
  • DE675489C - Needle tone device with a device for changing the needles : de en
  • DE675507C - Crawler vehicles, in particular crawler vehicles : de en
  • FR840949A - Rotary blade blast motors : en fr
  • FR840996A - Improvements to boats, pontoons, barrels or their analogues : en fr
  • DE675651C - Workpiece support on centerless grinding machines : de en
  • DE675626C - Circuit arrangement for telephone systems : de en
  • FR840939A - Swing or tilting seat, especially for children : en fr
  • GB505295A - Improvements in settings for gems and the like : en
  • US2157192A - Sheeting of plastic substances such as sugar confectionery : en
  • FR49584E - Gasifier unit for all agricultural and industrial uses : en fr
  • FR840972A - Method of mounting metal accessories on insulating parts and products obtained : en fr
  • GB505583A - Improvements in and relating to electric motors : en
  • DE675495C - Process to improve the temperature change resistance of spark plug stones : de en
  • DK56157C - Percussion mechanism for double-acting clockwork fire pipes. : da en
  • FR49556E - Improvements to telephone systems : en fr
  • FR841128A - Music instrument : en fr
  • GB505241A - Improvements in and connected with the making of pistons : en
  • US2157321A - Method of and apparatus for treating cement raw material and similar substances : en
  • FR49581E - Adjustable pressure and flow pump for sprayers : en fr
  • GB505518A - Improvements in or relating to envelopes : en
  • GB505569A - Improvements in or relating to electric motors : en
  • GB505451A - Improvements in or connected with steel posts, props, pillars and the like, particularly posts for use in mines : en
  • GB505490A - Improvements in or relating to cathode ray tube television and like apparatus : en
  • GB505746A - Improvements in tensioning devices for transmission chains and the like : en
  • DE675510C - Combing machine for wool, cotton, etc. : de en
  • DE675408C - Increase in the yield from the heat-hydrolytic precipitation of titanium compounds : de en
  • GB505350A - Improvements in and relating to regulating means for elastic fluid turbines : en
  • US2157792A - Throttle control lever : en
  • US2157905A - Manometer switch : en
  • USD114720S - Design for an electric power drive : en
  • DE675663C - Sieve chain consisting of chokes and capacitors to suppress high-frequency disturbing vibrations in high-voltage systems : de en
  • DE675539C - Heat exchanger, e.g. B. Evaporator for refrigeration machines : de en
  • GB505367A - Improvements in or relating to overload protective arrangements for interference-preventing devices associated with electric apparatus and machines : en
  • AT156119B - Cell suction roller with perforated outer jacket. : de en
  • GB505410A - Improvements in or relating to machines for shaping spur gears : en
  • AT156148B - Safety razor. : de en
  • AU107287B2 - Improvements relating tothe production of subtractive colour photographs : en
  • GB505544A - Improvements relating to cigarette packets : en
  • FR841200A - Improvements to propellers and thrusters : en fr
  • US2157121A - Bearing alloy : en
  • GB505430A - A new or improved process for the disintegration and pulverisation of wheat or other cereals and apparatus therefor : en
  • USD114712S - Design for a glass tumbler or arti- : en
  • CA381295A - Window frame : en fr
  • AT156081B - Irrigation system. : de en
  • GB505573A - A method of transposing 1:2-dichlorobutene-(3) : en
  • DE675474C - Method of copying lenticular film : de en
  • US2157411A - Calculating machine : en
  • CA381247A - Plastic form making apparatus : en fr
  • FR840975A - Process for forming a surface layer with a chromium content on articles of iron or steel : en fr
  • GB505533A - Process and hammer for forging metals between oppositely-moving dies : en
  • AT156075B - Process for the production of 5.5-disubstituted barbituric acids or their N-substitution products. : de en
  • US2157480A - Magnetic valve : en
  • AU287838A - Improvements in magnetic materials for the cores of electric inductors : en
  • DE675613C - Snap-like holding means for dimming devices : de en
  • US2157867A - Valve stem packing : en
  • US2157952A - Thermionic valve : en
  • US2157957A - Shield for electrical outlets : en
  • USD114660S - Design for a bottle : en
  • CA381320A - Pressure applying machine to shoe bottoms : en fr
  • US2157671A - Water check for drainage ditches : en
  • AT156125B - Cooling system with refrigerators cooled by switching on the main water line. : de en
  • DK56142C - Method for Manufacturing a Trap Coating in a High Vacuum Discharge Pipe. : da en
  • FR49590E - Engine suspension, particularly for motor vehicles : en fr
  • GB505556A - Electron-multiplying amplifier valve : en
  • CA381228A - Tungsten spiral filament production : en fr
  • CA381230A - Stopper for carboys, etc. : en fr
  • DE675476C - Snap fastener with needle attachment : de en
  • DE675676C - Type lever rest bearing for typewriters : de en
  • US2157851A - Protective arrangement for electric valve converting systems : en
  • US2157306A - Ammunition box : en
  • US2157924A - Electric discharge device : en
  • DE675457C - Equipment for pulling loads over steep terrain : de en
  • US2157225A - Method for producing motor fuels : en
  • US2157623A - Necktie holder : en
  • US2157894A - Book rack : en
  • USD114714S - Design for a dress : en
  • AU107319B2 - Improvements in or relating ter navigation aiding radio systems : en
  • DE656894C - Device for vulcanizing V-belts : de en
  • FR49575E - Multigrid tube : en fr
  • DK56153C - Gear lever for Automobiles. : da en
  • AT156065B - Speaker. : de en
  • AT156124B - Hydraulic transmission. : de en
  • US2158032A - Process of producing symmetrical thioindigo dyes : en
  • US2157445A - Method for determining "wow" : en
  • USD114736S - Design for a dress : en
  • US2157690A - Control apparatus for radiobeacon systems : en
  • US2157821A - Hydrocarbon oil extraction : en
  • US2157934A - Copper-magnesium alloys of improved properties : en
  • CA381279A - Engine fuel : en fr
  • US2157920A - Cloth guiding device : en
  • US2157200A - Marking machine : en
  • US2157823A - High voltage measurement means : en
  • AU168438A - Improvements in or relating to voltage regulators : en
  • CA381300A - Venetian blind : en fr
  • US2157518A - Fruit pitter : en
  • US2157886A - Prevention of inductive interference : en
  • US2157545A - Guard for primer valves : en
  • US2157514A - Brake tester or accelerometer : en
  • US2157725A - Azo dyestuffs : en
  • US2157466A - Salt solution feeding apparatus : en
  • US2157754A - Refrigerating apparatus : en
  • AU173638A - Improvements in or relating to radio transmitting and receiving aerial arrangements : en
  • GB505494A - Improvements relating to prepayment meters : en
  • DE675635C - Process for the electrolytic removal of cover layers from plated metals : de en
  • GB505299A - Circular knitting machine with two needle cylinders and needles for such a machine : en
  • US2157393A - Constant speed film drive : en
  • CA381219A - Land clearing power shovel : en fr
  • US2157288A - Attaching hook for watch wristlets : en
  • US2157550A - Apparatus for casting metals : en
  • US2157618A - Tie construction : en
  • USD114721S - Design for a bracelet : en
  • US2157304A - Loom : en
  • DE675441C - Vacuum seal : de en
  • DE675576C - Carousel lathe with a fixed main stand and an auxiliary stand that can be moved in the longitudinal direction of the transverse beam on the base plate : de en
  • GB505385A - Improvements in chains : en
  • FR840902A - Coconut fiber retting method : en fr
  • US2157988A - Method and machine for making pipe : en
  • US2157990A - Watch box : en
  • FR49597E - A method of producing a strandable strand of fiber : en fr
  • FR841021A - Safety fuse for motor vehicles : en fr
  • GB505289A - Improvements in shuttles of looms for weaving : en
  • DE675423C - Jaw clamp for connecting electrical conductors : de en
  • AU414838A - Improvements in or relating to time switches : en
  • US2157761A - Supercharger for internal combustion motor : en
  • US2157849A - Sheet feeding apparatus : en
  • GB505626A - Improvements in and relating to the tempering of glass articles : en
  • GR8192B - FOLDING EQUIPMENT FOR STORES. : el en
  • FR841003A - Progressive gearbox : en fr
  • FR841055A - Method of increasing the resistance of steels to hydrogen under pressure : en fr
  • US2157167A - Articles of cellulose esters : en
  • US2157709A - Hopper machine for stacking slide fastener elements : en
  • US2157912A - Heel cushion : en
  • AT156083B - Spring-loaded handlebar, in particular for bicycles and motorcycles. : de en
  • FR841030A - Process for reacting carbon monoxide with hydrogen : en fr
  • DE675540C - Cooling device operating with dry ice, i. solid carbonic acid : de en
  • DK56147C - Rake device that can be fitted to a food decomposer. : da en
  • GB505329A - Improvements in or relating to sheep or like clippers or cutters : en
  • GB505561A - Improved method and apparatus for determining the direction of flight and velocity of aerial aergets moving rectilinearly : en
  • DE675661C - Continuously operating annular end heating furnace : de en
  • FR841083A - Improvements to hunting rifles : en fr
  • GB505548A - Improvements in egg cartons : en
  • US2157162A - Panel : en
  • US2157524A - Preparation of chlorine monoxide : en
  • GB505369A - Production of liquid polymers from hydrocarbon gases containing olefines : en
  • FR840983A - Slider closures improvements : en fr
  • FR841153A - Re-meshing device : en fr
  • US2157093A - Method of making a flexible coupling : en
  • US2157305A - Spray extractor : en
  • US2157931A - Opened-face billboard : en
  • GB505220A - Improvements in or relating to electrical apparatus for heating rooms, cabins, buildings and the like : en
  • GB505648A - Improvements in or relating to the manufacture of containers, particularly for liquids : en
  • FR841132A - Improved machine for crimping capping or overcapping caps on bottles and other containers : en fr
  • US2157627A - Price and quantity indicating counter : en
  • US2157739A - Rolling mill control : en
  • DE675452C - Opening and locking device for ventilation panels on windows : de en
  • DE675462C - Device for depositing patterns on unprinted cartridge paper : de en
  • DK56132C - Stand for ironing boards. : da en
  • FR840943A - Total combustion of solid, liquid or gaseous fuels : en fr
  • GB505292A - A method of, and means for, sintering or fritting refractory linings by means of an electric arc : en
  • GB505386A - Improvements in ventilators : en
  • DE675628C - Device on automatic switches with heat release device, which shortens the waiting time until it can be switched on again : de en
  • GB505631A - Processes for roasting or roasting and smelting of materials containing sulphide of iron : en
  • DE675484C - Control device for determining and regulating the angular position of a rotating shaft : de en
  • FR841031A - Barrel for the storage and distribution of consistent materials, such as lubricating greases for example : en fr
  • GB505231A - Improvements in or relating to machines or apparatus for the production of cattle food, poultry food and the like : en
  • FR840969A - Parasite killing agent : en fr
  • FR841133A - Screw-on dropper cap applicable to all screw-on vials : en fr
  • FR841071A - Device for joining two construction parts for resistance welding, in particular by spot welding : en fr
  • FR841170A - Process for the treatment of "electron" metal for the manufacture of castings : en fr
  • GB505576A - Improvements in or relating to electrical signalling systems : en
  • DE675529C - Process for the production of color tone films : de en
  • GB505325A - Improvements in or relating to dish washing apparatus : en
  • DE675514C - Weft thread monitor for looms : de en
  • USD114707S - Design fob a dress : en
  • GB505352A - Improvements in or relating to frequency dividers : en
  • USD114658S - Combination comb and case : en
  • US2157881A - Valve means : en
  • US2157109A - Apparatus for controlling flow of fuel to a heating device : en
  • US2158038A - Wire drawing : en
  • US2157291A - Radio control device : en
  • US2157297A - Internal combustion engine : en
  • US2157421A - Compensating pipe or sewer cleaner or scraper : en
  • FR841051A - Ignition regulator : en fr
  • GB505304A - An improved device to be worn on the person to maintain wakefulness in the wearer : en
  • GB505211A - Improvements in or relating to the preparation of grouting materials : en
  • FR840951A - New azo dyes and processes for their preparation : en fr
  • GB505505A - Improvements relating to electric heating tools such as soldering irons : en
  • DE675544C - Flush-mounted socket for the simultaneous inclusion of a branch disc and an electrical switch, a socket insert or similar installation apparatus : de en
  • US2157097A - Ingot for feeding machines : en
  • US2157819A - Bait float : en
  • FR841087A - Process for imparting hydrophobic properties to fibrous materials and materials treated by this process : en fr
  • US2157773A - Vehicle construction : en
  • US2157812A - Electric valve circuit : en
  • FR841096A - Anthraquinone compounds containing nitrogen : en fr
  • DE675537C - Feed water regulator for high performance boiler : de en
  • DE675690C - Device for mixing several liquids : de en
  • USD114671S - Design fob a phonograph record : en
  • GB505446A - Improvements in and relating to centrifuges : en
  • FR49583E - Improvements to loaders or cinematographic film stores : en fr
  • GB505512A - Improvements in or relating to air raid shelters, refuges or the like : en
  • FR841070A - : fr
  • FR841005A - Method for operating multistage internal combustion engines : en fr
  • GB505387A - Improvements in or relating to filters : en
  • GB505622A - Improvements in or relating to arrangements for eliminating interference from the ignition circuits of internal combustion engines : en
  • DE675475C - Device for feeding good parts for the subsequent separation due to the different electrical conductivity in individual rows : de en
  • DE675502C - Cushioning, especially for motor vehicles : de en
  • DE675566C - Device for producing a low-noise sound recording in serrated script : de en
  • USD114740S - Design fob a textile fabric ob : en
  • FR841154A - Polyphase current converter using monanode ionic valves : en fr
  • US2158001A - Photographic contact printing apparatus : en
  • US2157140A - Transmitting and amplifying system : en
  • GB505243A - Hinge : en
  • GB505425A - Process for the production of iron oxide pigments : en
  • DE675535C - Device for pressing a sealant into damaged parts of the chamber walls of coke and smoldering furnaces : de en
  • GB505519A - Improvements in and relating to coin-freed delivery apparatus : en
  • US2157999A - Ventilating fan : en
  • USD114632S - Design fob an automobile radio set : en
  • FR49586E - Process for the preparation of compounds having a carbonyl group and belonging to the series of cyclopentano-polyhydro-phenanthrenes : en fr
  • GR8191B - AGRICULTURAL ENGINEERING SCAFFOLDING. : el en
  • AT156127B - Centrifugal pump with pressure increase cells. : de en
  • US2157181A - Toy weapon : en
  • US2157406A - Fluid flow control device : en
  • US2157412A - Knife holder : en
  • US2157860A - Signaling system : en
  • US2157223A - Method for sweetening hydrocarbon oils : en
  • US2157451A - Load binder : en
  • AU107310B2 - An improved pipe bending tool : en
  • US2157289A - Conveyer chain : en
  • US2157423A - Foot protector : en
  • DE675488C - Firing for locomotive and other boilers with a firebox that is steadily expanding from the grate upwards : de en
  • FR840974A - Injection pump for internal combustion engines : en fr
  • GB505213A - Improvements in grinding machines : en
  • GB505372A - Improvements in or relating to belt fasteners : en
  • GB505406A - Improvements in and relating to couplings for flexible pipes and hoses : en
  • US2158035A - High temperature refractory : en
  • GB505210A - Improvements in or relating to the treatment of palm oil and products thereof : en
  • GB505222A - Improvements in and relating to straight bar knitting frames : en
  • GB505343A - Process utilizing compressed air for the economy of steam in dyeing : en
  • DE675440C - Device for premixing powdery or grainy substances : de en
  • DE675443C - Showcase, showcase, shelf or the like. : de en
  • US2157598A - Apparatus and method for corrugating metal tubing : en
  • FR840913A - Improvements to electric furnaces for the production of nitrous vapors : en fr
  • GB505308A - Improvements relating to kerbs : en
  • US2157927A - Circuit arrangement for telephone systems : en
  • US2157708A - Combination gauge system : en
  • DE666302C - Pen with a shaft formed from a paper strip wound at an acute angle to the lead axis : de en
  • DE675531C - Chassis, especially for trailers of motor vehicles : de en
  • GB505294A - Improvements in the mixing of solid carbonaceous substances and liquid substances : en
  • DE675533C - Outer cover made of tumbled felt cloth for toy balls : de en
  • FR841169A - Pipe connection : en fr
  • GB505454A - Opening means for tins, cans or sheet metal containers and the like : en
  • US2157473A - Brake for motor vehicles : en
  • US2157607A - Typewriting machine : en
  • US2157597A - Means for sealing shafts : en
  • AT156066B - Device for converting direct current into alternating current. : de en
  • US2157629A - Storage battery with unit insulation : en
  • FR840937A - Apparatus for cutting slider rails or similar profiles : en fr
  • FR841155A - Mounting of ionic converters with gate control : en fr
  • US2157234A - Radio telephone system : en
  • DE675478C - Coke oven door : de en
  • DK56135C - Procedure for Regenerating the Washing Fluid from Carbon Leaching of Gases. : da en
  • US2157105A - Winding machine : en
  • US2157835A - Hat retaining device : en
  • US2157922A - Transformer : en
  • FR840911A - Improvements to suction nozzles for vacuum cleaning devices : en fr
  • FR841135A - Improvements to articulated pipe fittings : en fr
  • GB505402A - A new or improved dowel and socket connection for furniture : en
  • GB505565A - Improvements in or relating to apparatus for use in detecting inflammable gas and/or vapour : en
  • US2157130A - Bimetallic ice rack : en
  • US2157889A - Mechanical toy : en
  • AT156118B - Pipe clamp for connecting three pipes of a scaffolding that run in different directions. : de en
  • US2157736A - Shoveling machine : en
  • US2157427A - Method of mounting underneath equipment to railroad cars : en
  • US2157808A - Piezoelectric crystal : en
  • US2158037A - Artificial bait : en
  • USD114656S - Design for a brooch or similar : en
  • USD114682S - Design for a combined air condition : en
  • CA381288A - Printing telegraph control mechanism : en fr
  • AU107263B2 - Improvements in or relating to frequency mixing and modulating circuit arrangements : en
  • US2157704A - Deep well pump : en
  • AT156147B - Electrical wound capacitor with a variety of windings. : de en
  • USD114739S - Design for a dress : en
  • US2157496A - Combined tubing head and braden head : en
  • CA381270A - Lighting unit : en fr
  • DE675592C - Door hinge that can be adjusted vertically to the door frame in front and back for doors to be sealed : de en
  • US2157210A - Pilot-house window : en
  • US2157630A - Dusting machine : en
  • US2157298A - Flame arrester safety device : en
  • US2157475A - Air space insulated signaling cable : en
  • US2157628A - Pumping rig : en
  • US2157660A - Photoelectric exposure meter : en
  • US2157766A - Basic lead naphthenate : en
  • US2157978A - Method of making tank heads and closure members therefor : en
  • US2157569A - Self-sealing coke oven door : en
  • DE675442C - Making cheese : de en
  • CA381271A - Electric valve converting system : en fr
  • DE675601C - Procedure for selecting active carbons for positive electrodes of galvanic elements : de en
  • DE675621C - Holding cylinder high-speed press with sheet feeder from below : de en
  • AT156092B - Electrical switching element adjustable by means of a rotary axis. : de en
  • DE664163C - Process for the fine perforation of fine-porous materials such as separators, filters, plates, towels, paper, etc., especially separators for accumulators : de en
  • US2157737A - Fuel delivery apparatus for injection internal combustion engines : en
  • FR840918A - Radio communication device : en fr
  • GB505334A - Improvements in or relating to ploughs : en
  • US2157251A - Handle, knob, or like construction : en
  • CA381341A - Directional radio receiver : en fr
  • US2157836A - Glove : en
  • AT156130B - Crankshaft, especially for small internal combustion engines. : de en
  • AU307338A - Process for manufacturing alloys, more particularly ferro-alloys : en
  • FR841095A - Lenticular array film copying device : en fr
  • GB505281A - Improvements in and relating to portable electric table, standard and like lamps : en
  • DE675492C - Safety device for limiting the position of the throttle valve of internal combustion engines for vehicles : de en
  • CA381243A - Electric switchgear : en fr
  • US2157799A - Tuning fork driving means : en
  • DE675666C - Ion discharge tube with glow cathode, in which several independently controllable organs are arranged essentially in the same equipotential area of the electrostatic field existing between cathode and anode : de en
  • CA381234A - Wheel hub cap : en fr
  • US2157349A - Propeller governor : en
  • USD114664S - Design fob a brooch or similar : en
  • AT156134B - Circuit for generating non-sinusoidal oscillations. : de en
  • FR840945A - Improvements to internal combustion engines : en fr
  • GB505309A - Improvements in and relating to hair-dressers' arm-chairs : en
  • AU107275B2 - Arrangements for controlling the gain ofa wave-amplifying device andthe equalizer ofa transmission line : en
  • US2157459A - Calculating machine : en
  • US2157254A - Process for roasting materials rich in sulphur : en
  • US2157760A - Straightening machine : en
  • US2157948A - Hardening of metal surfaces : en
  • CA381326A - Conveying machinery : en fr
  • US2157205A - Paint : en
  • DE675499C - Voting system for electrical musical instruments : de en
  • FR840922A - Automatic liquid dosing device : en fr
  • FR841011A - Method and device for preserving bread products : en fr
  • FR841121A - Auxiliary hand-operated wiper : en fr
  • FR49565E - : fr
  • FR841171A - Method for reducing noise voltage in radio receivers : en fr
  • GB505401A - Improvements in or relating to fluid seals for shafts and the like : en
  • GB505572A - Improvements in or relating to knitted fabric and machines for producing same : en
  • GB505212A - Improvements relating to mounts for hypodermic needles : en
  • GB505621A - Improvements in and relating to thermostatic electric switches : en
  • GB505414A - Improvements in or relating to respirators : en
  • US2157438A - Device for counting bacteria and the like : en
  • US2157645A - Method of making a plastic composition : en
  • AT156115B - Method and device for the production of elastic fabrics. : de en
  • US2157605A - Pocket cigarette machine : en
  • USD114709S - Design for a dress : en
  • USD114708S - Design for a dress : en
  • US2157184A - Safety heel : en
  • USD114652S - Design for a perfume bottle or : en
  • FR841013A - Improvements to lock nuts and other threaded parts : en fr
  • FR841060A - Further development of agricultural or horticultural sprayers : en fr
  • CA381314A - Turbine shaft bearing : en fr
  • AT156108B - Method and system for treating wood or the like with synthetic resins. : de en
  • DE675624C - Method for the electrical remote transmission of characters with photographic registration : de en
  • AT156145B - Electric capacitor, especially variable capacitor. : de en
  • CA381273A - Dry cell : en fr
  • US2157278A - Automobile radio aerial : en
  • DE675609C - Process for the synchronous marking of sound recordings, in particular for video sound films, radio broadcasts and for the production of synchronous image and sound carriers for television purposes : de en
  • US2157577A - Weighing machine : en
  • US2157700A - Mitten mop : en
  • US2157758A - Change speed transmission : en
  • US2157527A - Telephone jack box for chair arms : en
  • CA381316A - Shake-splitting machine : en fr
  • DK56134C - File drawer. : da en
  • GB505324A - Improvements in or relating to needle cylinders for knitting machines : en
  • GB505428A - Improvements in or relating to dry batteries : en
  • US2157383A - Lead alloy : en
  • US2157543A - Wax charged applicator pad : en
  • US2157843A - Electrical contactor : en
  • GB505373A - Improvements in or relating to electric fans : en
  • US2157667A - Dyestuff and method of making the same : en
  • USRE21076E - Sanitary napkin : en
  • US2157923A - Make-alive electrode : en
  • US2157095A - Method and apparatus for desurfacing ferrous metal bodies : en
  • US2157581A - Apparatus for producing a spray : en
  • US2158039A - Photographic type-composing machine : en
  • US2157424A - Submersible electric motor : en
  • AT156093B - Capacitor. : de en
  • US2157332A - Decomposition of substances containing tungsten sulphide : en
  • US2157548A - Photographic view finder : en
  • US2158030A - Muffler : en
  • US2157965A - Process for producing phthalic anhydride : en
  • US2157174A - Switch : en
  • US2157218A - Closure device : en
  • US2157815A - Electrical protective device : en
  • US2157222A - Animal trap : en
  • DE675481C - Double-walled cooling rooms with a framework between the walls : de en
  • AT156079B - Filling device for valve bags. : de en
  • AU107321B2 - Electron discharge devices with successive electrically controlled multiple emissions : en
  • US2157341A - Vat dyestuffs and process of making : en
  • US2157408A - Spring bar : en
  • USD114735S - Design for a typewriter key top : en
  • GB505315A - Improvements in or relating to teats for infant feeding bottles : en
  • US2157163A - Safety device for boilers : en
  • US2157994A - Brake mechanism : en
  • AU314438A - Improvements in or relating toa method forthe production of rubber thread consisting of three or more united filaments : en
  • US2157693A - Vacuum cleaner : en
  • US2157992A - Building block and assembly thereof : en
  • US2157973A - Electrical measuring instrument : en
  • US2157631A - Game device : en
  • US2157752A - Motor lubricating system : en
  • FR841066A - Folding machine : en fr
  • GB505403A - Improvements in or relating to the casting of easily oxidisable metals : en
  • GR8189B - SMOKING HOUSE AFTER A MOTORCYCLE OF AUTOMATIC MAKING OF CIGARETTE AND OFFERING IT OUTSIDE THE TOBACCO HOLDER. : el en
  • US2157901A - Coating compositions and process of preparing same : en
  • FR841180A - Improvements to synchronization devices for high frequency transmitters : en fr
  • US2157219A - Hydraulic pumping jack : en
  • US2158026A - Combined arc lamp and incandescent lamp : en
  • FR841023A - System for taking up play in vehicle brakes : en fr
  • GB505337A - Adjustable inductance devices : en
  • DE675584C - Mobile pump that can be emptied by tilting : de en
  • US2157292A - Bottle filling valve : en
  • USD114640S - Design for a sink : en
  • US2157237A - Fire alarm signaling system : en
  • US2157947A - Repulsion vane instrument : en
  • US2157268A - Coal drier : en
  • DE675564C - Process for the preparation of rubber conversion products by isomerization of rubber : de en
  • AT156132B - Diaphragm overflow valve for oil lines. : de en
  • CA381298A - Ratchet mechanism : en fr
  • DE675473C - Process for the production of patterned, washable and translucent paper or similar fibrous webs : de en
  • US2157495A - Permit mailing and stamping machine : en
  • AU86239A - Improvements in or relating to web joining and roll changing mechanism for printing or other machines operating on web drawn froma roll : en
  • CA381260A - Paper machine felt arrangement : en fr
  • CA381332A - Circular loom shedding mechanism : en fr
  • US2157749A - Method and system for television communication : en
  • US2157884A - Electric heating element : en
  • AU107299B2 - Improvements inlow pressure electric discharge devices : en
  • US2157246A - Railway crossing : en
  • USD114683S - Design for a color psychoanalysis : en
  • US2157111A - Rechargeable dry cell battery : en
  • DK56149C - Milking head. : da en
  • DE675396C - Production of high quality carbon black : de en
  • GB505389A - Improvements in and relating to the heat treatment of rubber : en
  • DE675559C - Process for the preparation of polyazo dyes : de en
  • USD114705S - Design for a dress : en
  • US2157099A - Optical system for stereoscopic motion picture production and projection : en
  • US2157481A - Utility tool : en
  • US2157575A - Fire control for machine guns : en
  • US2157964A - Tubing hanger : en
  • US2157492A - Razor : en
  • GB505203A - Manufacture of pancreas hormone preparations : en
  • GB505504A - Manufacture of new compounds containing acylated amino-or imino-groups : en
  • AT156117B - Wood cutting device. : de en
  • CA381293A - Air conditioning system : en fr
  • AT156106B - Method and device for recording parallax stereograms. : de en
  • USD114659S - Design fob a bottle : en
  • US2157551A - Air injector for internal combustion engines : en
  • US2157476A - Dispensing container : en
  • US2157592A - Gear shifting mechanism : en
  • FR841009A - Device for bringing gases and liquids into contact : en fr
  • US2157805A - Scraper : en
  • USD114737S - Design tor a dress : en
  • USD114631S - Design for a watchcase : en
  • US2157386A - Hydrogenation of nitrohydroxy compounds : en
  • US2157120A - Motor : en
  • US2157864A - Centralized traffic controlling system for railroads : en
  • AU199739A - Improvements in or relating to electric discharge tubes : en
  • US2157933A - Silver-indium contact : en
  • USD114733S - Design for a dress : en
  • US2157472A - Governor for automotive vehicles : en
  • US2157493A - Well scraper : en
  • FR841162A - Process for obtaining, by adding non-oxidizing oils, sizing agents based on oil and resin soluble in benzine : en fr
  • US2157190A - Artificial material and method of making same : en
  • US2157142A - Lock key : en
  • AT156136B - Device for bringing about automatic formation on arc electrodes. : de en
  • AU475338A - Improvements in or relating to electric incandescent lamps having gas-filling which contains nitrogen : en
  • US2157353A - X-bar for automobile frames : en
  • AU169438A - Improved powder gas operated reloader for firearms : en
  • AT156112B - Release device for the lens shutter from the camera body. : de en
  • US2157144A - Diesters of unsaturated glycols and processes of preparing the same : en
  • US2157343A - Absorption of gases : en
  • CA381226A - Wire splicing machine : en fr
  • US2157638A - Stenciling apparatus : en
  • USD114706S - Design fob a dress : en
  • DE675391C - Process for the extraction of phenol mixtures from waste water : de en
  • AU178038A - Improvements in mechanism for recording information in telephone systems : en
  • AT156150B - Lock cylinder with variable length for box locks. : de en
  • DE675498C - Measuring device for adjusting the height of a pair of locomotive wheels for the purpose of processing the axle center cores, the drive pins and their mounting holes : de en
  • CA381254A - Fluid control system : en fr
  • AT156104B - Glass thread and process for its manufacture. : de en
  • AT156143B - Glare-free headlights. : de en
  • DE675622C - Device for monitoring high-speed printing machines, in particular rotary printing machines : de en
  • DE675678C - Movable sliding platform for conveyor wagons in the mine : de en
  • GR8194B - CLEANING HOLES. : el en
  • US2157615A - Compression apparatus : en
  • US2157648A - Work table : en
  • US2157906A - Electric fuse : en
  • USD114629S - Design fob a combined pencil sharp : en
  • GB505297A - Improvements in and relating to centrifugal fans : en
  • AT156102B - Canvas shoe with rubber sole, in particular tennis shoes. : de en
  • FR49574E - Hinge : en fr
  • CA381224A - Metal sheet material stretching apparatus : en fr
  • FR49559E - Aircraft upgrades : en fr
  • AT156109B - Incandescent steam lamp. : de en
  • US2157490A - Poultry nest : en
  • USD114701S - Design for a dress : en
  • GB505443A - A new or improved adjustable jet and spray nozzle : en
  • GB505647A - Improvements relating to the electrical transmission of messages or intelligence : en
  • CA381333A - Wearing apparel : en fr
  • US2157478A - Method of coating articles by vaporized coating materials : en
  • US2157904A - Boiler furnace wall and part therefor : en
  • FR840968A - New method and landing system for airplanes : en fr
  • GB505239A - Improvements in or relating to handbags, carrier bags, carrier devices, travelling cases and the like : en
  • AU107290B2 - Improvements in or relating tothe insertion of wire-rips incan-closures and apparatus therefor : en
  • DE660415C - Filter device on projectors for colored reproduction of black and white films : de en
  • AU358338A - Improvements in or relating to ultraviolet ray emitters and their envelopes : en
  • CA381244A - Paper fastener : en fr
  • AT156087B - Tubular metal furniture and process for their manufacture. : de en
  • CA381294A - Waterproof abrasive article : en fr
  • CA381342A - Frequency multiplication phase modulation radio receiver : en fr
  • DE675444C - Process for the production of sulphite pulp with circulation sprinkling : de en
  • FR49558E - Suspension shock absorber : en fr
  • US2157326A - Signal transmission system : en
  • AU368438A - Improvements in or relating tothe production of synthetic resins for moulding : en
  • US2157549A - Facsimile ink recorder : en
  • US2157696A - Manufacture of formed bituminous bodies : en
  • US2157850A - Hand brake lever : en
  • US2157718A - X-ray tube : en
  • US2158014A - Abrading roll : en
  • USD114734S - Design fob a dress : en
  • US2157236A - Traffic signaling system : en
  • US2157294A - Mercerizing lyes and a process for their manufacture : en
  • US2157614A - Colonic irrigator : en
  • US2157748A - Cinder pot : en
  • FR840942A - Method and devices for dissolving and suspending metal ions in a fluid or semi-fluid : en fr
  • GB505513A - Improvements in the design and control of tipping lorry bodies on vehicle chassis : en
  • AU198539A - Improvements in and relating to electric filters : en
  • US2157119A - Method of making fabric : en
  • US2157640A - Universal motor speed governor : en
  • AU440938A - Improvements in and relating to toggle operated presses : en
  • CA381302A - Active carbonaceous material : en fr
  • CA381308A - Ammunition : en fr
  • GB505473A - Process and apparatus for metal refining : en
  • GB505507A - Improvements in and relating to cinematograph projectors : en
  • GB505368A - Improvements in or relating to the conversion of hydrocarbon oils into motor fuels by treatment at elevated temperatures : en
  • GB505420A - Driving shaft for motor-cycles with cardan drive and rear wheel springing : en
  • GB505619A - Improvements in or relating to mattresses : en
  • DK56138C - Method and Installation for Simultaneous Transmission of a Number of Different Messages Through a Single Transmission Channel. : da en
  • US2157488A - Pecto phenolic synthetic resin and method of making same : en
  • US2157740A - Commercial package : en
  • GB505300A - Improvements in or relating to valves : en
  • GB505581A - Method of pasteurising household and towns' refuse and the like waste materials : en
  • AT156085B - Baking, roasting and grilling tubes for operation with gaseous fuels. : de en
  • US2157452A - Extreme pressure lubricating compositions : en
  • US2157767A - Basic metal : en
  • USD114732S - Design for a bread wrapper : en
  • FR841075A - Ground freezing process by direct expansion of liquefied gas : en fr
  • CA381242A - Pulp machine breast-box : en fr
  • US2157147A - Motor vehicle fender : en
  • US2157434A - Oscillator circuit : en
  • FR840901A - Receiver system for instant remote control : en fr
  • CA381250A - Fish hook releasing device : en fr
  • DE675454C - Process for patterning curved glass objects : de en
  • DK56143C - Contact pin with built-in Fuse holder for electric irons. : da en
  • US2157972A - Velocipede structure : en
  • FR841101A - Improvements to vehicles used for spraying : en fr
  • GB505397A - Improvements relating to intermediate spinning products in the form of bands of artificial fibres : en
  • FR840954A - Method and device for reversing the movement of parts controlled by a non-reversible motor : en fr
  • GB505629A - Improvements relating to the mounting of airscrew blades : en
  • FR840947A - Device facilitating air and sea navigation : en fr
  • GB505204A - Improved means for attaching fishing-net floats and similar bodies to ropes and like flexible connections : en
  • GB505510A - Direct coupled diaphragms for pumping of liquids and semi-solids in all diaphragm pumps : en
  • US2157929A - Surge generator : en
  • US2158017A - Floor covering : en
  • FR841043A - Synthesis of higher aliphatic hydrocarbons : en fr
  • GB505214A - Improvements in the production of combined sound and colour picture films : en
  • GB505411A - Improvements in flushing valves : en
  • GB505578A - Improvements in and relating to mouldable compositions containing synthetic resins : en
  • IE15183L - Washing machines : en
  • DE675536C - Covering compound to protect heat exchange surfaces : de en
  • GB505543A - An apparatus for packing and unpacking trays of eggs disposed in a box : en
  • GB505445A - Improvements in and relating to processes for extracting dilute organic acids : en
  • GB505462A - Improvements in machines for scutching flax or like plant stalks : en
  • GB505456A - Improvements in and relating to magnesium alloys : en
  • GB505632A - Improvements in and relating to cathode-ray tubes : en
  • DE675632C - Pancake tongs : de en
  • GB505338A - Improvements in percussion fuzes for projectiles of guns having rifled barrels : en
  • DE675433C - Process for the production of dressings containing active charcoal or silica gel : de en
  • US2157726A - Sprayer : en
  • DE675513C - Ski pole with plate : de en
  • US2157166A - Optical system : en
  • US2157853A - Deadlocking latch : en
  • FR49560E - New optical device applicable to advertising, lighting and decoration : en fr
  • FR841033A - Improvements to oar clamps : en fr
  • FR49557E - Method and device for sound camouflage : en fr
  • FR49570E - Polymerization products and process for preparing these products : en fr
  • FR840971A - Trellis for hot air devices, heat accumulators, etc. : en fr
  • FR841158A - Process for the animalization of textile fibers : en fr
  • DE675385C - Wrought zinc alloy for automatic machining : de en
  • IE15435L - Operating circuits for automatic switches : en
  • US2157381A - Separable fastener : en
  • US2157401A - Universal connection : en
  • US2157556A - Machine for labeling webs : en
  • FR841078A - Continuous treatment process to make a gas non-toxic and installation for implementing this process : en fr
  • US2157637A - Venetian blind operating mechanism : en
  • DE675458C - Braking device for pneumatic tubes : de en
  • DE675672C - Loading device for shaft conveyor vessels : de en
  • FR49551E - New lamp and lamp holder : en fr
  • DE675404C - Device for wet treatment of textile goods under the influence of rapid mechanical vibrations : de en
  • GB505356A - Improvements in or relating to hydraulic power transmission apparatus : en
  • GB505527A - Improvements in lighting fittings adapted to take a high pressure metal-vapour electric discharge lamp and comprising means for establishing a magnetic field in its neighbourhood : en
  • DE675594C - Driving device for swimmers : de en
  • USD114695S - Design for a lamp : en
  • US2157310A - Circular work attachment : en
  • US2157405A - Fluid flow control device : en
  • US2157980A - Printing machine : en
  • DE675550C - Electric fuse cartridge : de en
  • DE675591C - Pre-slide device at a slip-through point in room equipment carrier lines : de en
  • DE675656C - Pusher device for items of goods, especially tablets, on packaging machines : de en
  • FR840904A - Bottle rack forming a racking site for them : en fr
  • CA381272A - Colour photographic layer : en fr
  • GB505326A - Improvements in connection with bitumen-lined pipes : en
  • US2157568A - Coke oven door : en
  • US2157684A - Apparatus for cleaning and opening cotton or like fibrous material : en
  • US2157935A - Refractory metal compositions : en
  • US2157537A - Cigar bunch shaping machine : en
  • US2157295A - Polyazo dyestuffs and their manufacture : en
  • US2157468A - Television scanning system : en
  • US2157771A - Reversing apparatus for furnaces : en
  • FR840931A - Cylinder for the finishing of pavements with hydrocarbon and hydraulic binders : en fr
  • US2157532A - Antenna system for vehicles : en
  • US2157585A - Electric discharge device : en
  • US2158010A - Magnet for organs : en
  • CA381256A - Defroster : en fr
  • US2157135A - Apparatus for testing textile packages : en
  • US2157657A - Vehicle bumper : en
  • US2157715A - Electrical condenser : en
  • US2158025A - Process of solidifying soils : en
  • USD114646S - Design for a rotary back for : en
  • FR841117A - Product preservation process and tin can for its application : en fr
  • GB505450A - Improvements in the manufacture and production of twists from organic thermoplastic materials : en
  • DE675610C - Relieved feed control pump : de en
  • US2157458A - Coke guide employed when discharging coke from horizontal coke ovens : en
  • GB505345A - Double twist twisting spindle : en
  • US2157985A - Glassware foot making machine : en
  • DE675627C - Self-switch : de en
  • US2157785A - Sink : en
  • US2157837A - Fastening device : en
  • US2157892A - Transmission and control : en
  • DE675405C - Stapling device for U-shaped staples : de en
  • FR840921A - Device for connecting electrical circuits : en fr
  • GB505282A - Improvements in or relating to photographic cameras : en
  • GB505360A - Improvements in or relating to temperature control devices for the cooling systems of internal combustion engines : en
  • GB505331A - Improvements in slicing machines : en
  • GB505405A - Improvements in radio direction finding apparatus : en
  • US2157897A - Electric valve converting system : en
  • DK56152C - Water tap. : da en
  • GB505654A - Improvements relating to valve arrangements in fluid pressure systems : en
  • CA381259A - Engine fuel distributor : en fr
  • GB505436A - Improvements in circuits for the operation of electrical switches : en
  • GB505625A - Improvements in and relating to composite articles : en
  • AU107274B2 - Improvements in or relating to multiple wave electric oscillations : en
  • DE675143C - Machine for obtaining the fibers from ramie or similar plant stems : de en
  • AT156063B - Method of operating a cathode ray tube. : de en
  • US2157367A - Pneumatic vibrating mechanism : en
  • US2157594A - Method of chromizing : en
  • DE675446C - Press for making tablets or briquettes : de en
  • DE675604C - Electrically non-conductive molded body, in particular support body for the electrodes of electrical discharge vessels : de en
  • AT156131B - Method and device on single or multi-cylinder internal combustion engines for venting the centrifugal pump to be driven by them. : de en
  • CA381229A - Shatterproof glass production : en fr
  • US2157357A - Alloy-lined tubular connection for vessels : en
  • US2157516A - Washer : en
  • FR840960A - Advertising soap : en fr
  • US2157116A - Stocking and method for producing same : en
  • US2157852A - Power transmission : en
  • DE675616C - Process for the production of water-soluble pellets of the indole series : de en
  • GB505529A - Improvements in gas-or vapour-filled electric discharge tubes for use in relay circuits : en
  • US2157601A - Milk bottle cap : en
  • USD114670S - Design fob a plate or similar article : en
  • US2157392A - Bag : en
  • GB505560A - Manufacture of triarylmethane dyestuffs : en
  • FR49599E - Anti-slip device for pneumatic wheels : en fr
  • CA381240A - Measuring device : en fr
  • US2157552A - Electron discharge device : en
  • US2157231A - Annealing box : en
  • GB505228A - Drilling and like machine tools : en
  • GB505530A - Improvements in fastening means for straps, belts, bands or the like : en
  • DE675581C - Device for winding endless tapes, in particular advertising tapes : de en
  • USD114715S - Design for a dress : en
  • USD114688S - Design for a signal device : en
  • GB505528A - Automatic tuning arrangement in radio receivers of superheterodyne type : en
  • GB505623A - Improved method and means for trapping and destroying submarines : en
  • US2157156A - Electrical switch : en
  • FR840984A - Improvements made to trolleys or similar, in particular for motor-compressor units : en fr
  • FR841186A - Armchair bag : en fr
  • GB505438A - Improvements in plates of lead accumulators : en
  • US2157609A - Ventilator : en
  • FR49585E - Electric circuit breaker with compressed gas blowing in which the arc is at atmospheric pressure : en fr
  • DE675639C - In the height adjustable, circumferential divider for binding mower or the like. : de en
  • DE675431C - Production of low-impurity carbon, especially carbon black and hydrogen : de en
  • DK56144C - Thermal switch for electric irons. : da en
  • DK56148C - Apparatus for filleting fish, in particular hornfish. : da en
  • FR840961A - Electric gas lighter : en fr
  • GR8197B - METHOD OF PAINTING PERFORMANCE OF VARIOUS COLORS AND ION LINES IN CIRCULATION BY ION FABRIC FROM PLANT METAXA ZERCA WITH LIVES WITH ANIMALS. : el en
  • US2157888A - Electric discharge apparatus : en
  • FR840979A - Device for viewing the recording slot or its image for sound films : en fr
  • FR841165A - Improvements to electric cookers : en fr
  • GB505318A - Improvements in or relating to ticket and like printing devices : en
  • FR840923A - Improvements to walls and other similar walls and their construction process : en fr
  • DE675365C - Device for image decomposition and composition : de en
  • DE675508C - Siren to emit signals that change rhythmically in pitch : de en
  • DE675674C - Process for the production of solid molecular compounds consisting of the complex mercury compound of salicylallylamido-acetic acid sodium and alkyl purines : de en
  • DK56155C - Device by Bottle Filling Machines to Prevent Drip from These. : da en
  • FR841058A - Process for the preparation of aldehydes of the cyclopentanopolyhydrophenanthrene series : en fr
  • GB505201A - Improvements in or connected with wing construction of aircraft : en
  • GB505388A - Fusible electric cut-out elements : en
  • GB505216A - Improvements in or relating to spring mechanism for controlling the movements of press heads and other heavy masses : en
  • GB505453A - Improved cathode ray scanning method for television and like purposes : en
  • US2157261A - Haymaker mechanism : en
  • US2157245A - L s reagan : en
  • US2157675A - Foldable ironing board : en
  • DE675491C - Pliers with auxiliary lever for pulling in nose rings : de en
  • GB505237A - Multiple compartment ampoule and hypodermic syringe : en
  • FR49555E - Color photography process on paper : en fr
  • GB505218A - An improved fastener or holder for hinged windows, doors or the like : en
  • US2157128A - Photographic developing machine : en
  • US2158005A - Fender sight : en
  • US2157238A - Double toric friction transmission : en
  • US2157673A - Free machining open hearth steel : en
  • US2157622A - Method of making building panels : en
  • IE15360L - Electric discharge lamps : en
  • US2157117A - Steam treatment of polyamides : en
  • US2157653A - Manufacture of articles from steel alloys : en
  • GB505525A - Means for mounting motor-car wheels on the axles of horse-drawn vehicles : en
  • US2157387A - Method of setting coloring and coating compositions : en
  • US2157513A - Lubricating system for internal combustion engines : en
  • USD114643S - morgan : en
  • DE675432C - Flat border knitting machine with device for producing jacquard folded nub patterns : de en
  • GB505628A - Improvements in or relating to apparatus for testing gas : en
  • US2157460A - Woman's dress : en
  • FR841036A - Device for coupling a consumption or radiation device and in particular a device with a radiant surface to a very high frequency electromagnetic oscillating energy channel : en fr
  • DE675429C - Electrode steam generator with automatic output control, especially for heating hot water storage tanks : de en
  • FR840999A - Off-center pedal : en fr
  • CA381301A - Abrasive wheel : en fr
  • FR841089A - Escapement mechanism for time measurement for clocks, watches and other applications : en fr
  • US2157847A - Despooler : en
  • FR49567E - Device for automatic hydraulic adjustment of the running of mining machines : en fr
  • GR8188B - METHOD OF INVESTMENT OF WOVEN SAWS BY KNITTED OR WOVEN FABRIC. : el en
  • FR841157A - Construction made to resist the effects of knocks and knocks : en fr
  • US2157574A - Torque release wrench : en
  • DE675451C - Depositing device for a cutting machine for cutting cold cuts : de en
  • US2157091A - Brake mechanism : en
  • US2157312A - Switching arrangement for high frequency apparatus : en
  • US2158002A - Electrical connecting means : en
  • US2157252A - Rolling-in machine : en
  • US2157893A - Regulating system : en
  • US2157112A - Machine for cleansing and treating : en
  • US2157865A - Packing device : en
  • US2158033A - Method of making cellular material : en
  • CA381309A - Weatherstrip : en fr
  • CA381322A - Shoe levelling machine : en fr
  • US2157565A - Treatment of gases with adsorbent solids : en
  • US2157817A - Zone heating system : en
  • FR49589E - Electric discharge tube : en fr
  • GB505499A - Trousers : en
  • US2157848A - Telephone system : en
  • AU373238A - Improvements in or relating to traffic control systems : en
  • US2157968A - Self-propelled combined earth scooping and conveying-off apparatus : en
  • CA381287A - Antiseptic paper or fabric : en fr
  • US2157969A - Method for producing hides with the aid of mold tryptases : en
  • DE675620C - Arrangement for regulating the operation of a high-speed steam generator operated with forced circulation of the working medium : de en
  • GB505377A - Control mechanism of doors, windows and the like : en
  • GB505757A - Improvements in or relating to artificial nitrogenous textile fibres : en
  • US2157110A - Disk charge-forming apparatus : en
  • US2157235A - Detachable heel and sole for foot-wear : en
  • US2157201A - Tile and means for setting the same : en
  • US2157916A - Tape applying machine : en
  • US2158000A - Bolster spring unit : en
  • CA381264A - Clutch : en fr
  • US2157440A - Printer's roller : en
  • AT156062B - Cathode ray tube television receiver. : de en
  • AT156113B - Photographic camera for three-color photography. : de en
  • DE675589C - Master cylinder for hydraulic braking devices : de en
  • CA381331A - Cellulose ester saponification : en fr
  • CA381292A - Chlorine dioxide manufacture : en fr
  • AU107320B2 - An improved coupling having valvular control for use in systems for conveying gas or liquid under pressure froma supply source toa vessel or machine : en
  • USD114725S - Design for a dress : en
  • US2157724A - Glue spreading machine : en
  • GB505558A - Improvements in and relating to power transmission systems : en
  • US2157938A - Drying oven : en
  • CA381233A - Sewing machine : en fr
  • AU171438A - Improvements in or relating to electrical oscillation generators : en
  • CA381323A - Cushioning mechanism : en fr
  • AU107280B2 - Packed spigot and socket joint for pipes : en
  • AT156096B - Process for the preparation of formaldehyde. : de en
  • USD114713S - Design fob a dress : en
  • US2157397A - Display apparatus : en
  • AU360338A - Improvements inlow pressure electric discharge devices : en
  • GB505545A - Improvements in or relating to dynamo-electric machines : en
  • US2157228A - Automatic catcher for tin plate : en
  • US2157943A - Washing apparatus : en
  • US2157335A - Folding umbrella : en
  • US2157974A - Air cooler and heater : en
  • CA381261A - Paper machine feed box : en fr
  • FR841019A - Stabilized luminescent paints and paints and method of manufacturing such products : en fr
  • GB505287A - Improvements in ejectors : en
  • US2157202A - Dehydrogenation of hydrocarbons : en
  • US2157918A - Art of uniting metals : en
  • GB505415A - Power installation for railroad vehicles : en
  • GB505416A - Improvements relating to plug cocks : en
  • GB505503A - Improvements in or relating to pressure gauges : en
  • US2157890A - Switching device : en
  • AT156056B - Method and device for the production of conical containers, in particular bottles and jugs, from cardboard or the like and containers produced by the method. : de en
  • DE675521C - Process for the production of lacquers and coating agents : de en
  • AU111891B2 - Improvements in and relating to electric filters : en
  • US2157432A - Combined bottle closure and comb wiper : en
  • US2157794A - Making receptacles : en
  • US2158023A - Automatic weighing and rejecting machine : en
  • US2157728A - Speed-up and speed-down for rotaries : en
  • US2157441A - Bladed structure and method of producing same : en
  • US2157570A - Apparatus for making tablets : en
  • US2157588A - Control system for motor vehicles : en
  • DE675618C - Safety valve for steam boiler : de en
  • US2157489A - Offset rotary copying machine : en
  • US2157807A - Letter balance : en
  • US2158031A - Condensation reaction : en
  • DE665750C - Method for guiding vehicles : de en
  • AT156123B - Multi-stage rotating compressor. : de en
  • CA381221A - Storm sash ventilator : en fr
  • GB505620A - Absorption apparatus for the working up of the nitrous gases of the ammonia combustion to nitric acid : en
  • US2157126A - Composition of matter and methods and steps of making and using the same : en
  • US2157170A - Television receiver : en
  • US2157519A - Air conditioning apparatus : en
  • US2157107A - Condenser tube protector : en
  • US2157765A - Method of baling : en
  • US2157861A - Parasiticidal compositions : en
  • US2157158A - Sound reproducing apparatus : en
  • US2157327A - Matrix molding machine : en
  • US2158003A - Electrical connection means : en
  • US2157686A - Box structure : en
  • USD114635S - Design for a combined tractor radi : en
  • US2157705A - Weighing scale indicator : en
  • DE675615C - Manufacture of alkali perborates : de en
  • US2157662A - Shaft construction : en
  • GB505634A - Improvements relating to electric motor control systems : en
  • US2158044A - Method of making contactor bases for electric lamps, tubes, and the like : en
  • US2157535A - Electrical switch : en
  • US2157759A - Process for drawing glass strip : en
  • US2157376A - Semitrailer load handling machine mechanism : en
  • US2157779A - Method of manufacturing grinding : en
  • US2157956A - Process for the decaffeination of coffee : en
  • US2157382A - Damper construction : en
  • USD114672S - coughlan : en
  • USD114697S - Design for a dress ensemble : en
  • DK56154C - Spring Support Element for Carriage Springs. : da en
  • DE675428C - Relay for high switching speeds : de en
  • FR840970A - Process for the preparation of condensed cyclic compounds, by intramolecular dehydrogenation : en fr
  • FR841100A - Improvements in calculating machines, accounting machines or similar machines : en fr
  • US2157841A - Electrical system : en
  • USD114677S - Design fob a bottle or similar : en
  • US2157132A - Mine pump : en
  • US2157586A - Wobbler actuating piston for barrel engines : en
  • US2157870A - High frequency circuit and apparatus : en
  • USD114680S - Design for a mitten : en
  • DE675642C - Feeding device for roller chairs : de en
  • FR841161A - Manufacturing process for pressed objects from synthetic resin masses : en fr
  • GB505524A - Improvements in and relating to racing cars : en
  • GB505651A - Manufacture of shaped articles : en
  • GR8199B - WINDOW SECURITY MECHANISM. : el en
  • DE675426C - Portable electric battery lamp in stick or flashlight shape with additional flashing device : de en
  • USRE21074E - High-fbequency inductance : en
  • GB505627A - Improvements in and relating to the tempering of glass : en
  • US2157505A - Parachute pack : en
  • DE675419C - Process for the simultaneous suppression of the carrier frequency and the low frequency in the output circuit of double push-pull modulators : de en
  • DE675520C - Gas-filled photocell for control by means of alternating light : de en
  • FR841017A - Device for projecting fixed and moving stereoscopic images allowing these images to be viewed at a distance with the naked eye : en fr
  • GB505365A - Improvements in appliances for playing board games : en
  • DE675553C - Tube testing device using switch templates : de en
  • FR840993A - Relay device with delay : en fr
  • FR49571E - Vat dyes and their preparation process : en fr
  • FR49578E - Improvements to servo-brakes for motor vehicles : en fr
  • FR841175A - Device for supplying an engine with a gasifier, applicable to combustion engines designed for liquid fuels : en fr
  • IE15798L - Anti-knocking hydrocarbon fuel : en
  • US2157265A - Oil burner : en
  • GB505440A - Improvements in or relating to glass feeding devices : en
  • FR840912A - Improvements made to friction linings : en fr
  • USD114723S - Design for a bracelet : en
  • GB505577A - Improvements in apparatus for indicating the score in the game of darts or for any similar game or contest : en
  • US2157827A - Turbine rotor : en
  • US2157844A - Electromagnet with shading coil : en
  • US2157567A - Coke oven door and door machinery : en
  • US2157983A - Seal : en
  • GB505209A - Improvements in apparatus for granulating pulverulent materials : en
  • GB505497A - Improvements relating to screw propellers and protective coverings therefor : en
  • GB505653A - Improvements in or relating to television and the like systems : en
  • FR841098A - Centrifugal apparatus for casting small metal parts into molds : en fr
  • GB505537A - Improvements in or relating to parquetry : en
  • US2157587A - Ink fountain : en
  • DE675574C - Device for the heat-sensitive control of shut-off elements or the like in systems through which air or liquid flows with a pressure drop, e.g. Cooling systems, in particular for aircraft : de en
  • US2157324A - Adjustable magnetic apparatus : en
  • US2157995A - Seal : en
  • DE675660C - Buckle folding machine equipped with folding pockets : de en
  • DE675650C - Device for effecting a central processing of a glass web : de en
  • GB505580A - Improvements in or relating to vacuum distillation : en
  • DE671954C - Clamping device that avoids bending stresses for bodies subject to tension : de en
  • DE675560C - Manufacture of pigments of the zinc group : de en
  • GB505644A - Improvements in and relating to ultra short wave oscillation generators and the like : en
  • GB505501A - Improvements in or relating to starting devices for internal combustion engines : en
  • GB505562A - Improvements in or relating to the conforming of an end portion of a shoe upper : en
  • AT156082B - Ski binding. : de en
  • GB505217A - Improvements in electric conduit fittings : en
  • GB505586A - Improvements in or relating to arrangements for supplying electric discharge tubes and the like with alternating current : en
  • GB505347A - Improvements in or relating to reversible crank handles for wringing machines, domestic washing machines and similar machines : en
  • US2157241A - Machine tool : en
  • US2157747A - Artificial arm : en
  • US2157981A - Machine for cutting gears : en
  • US2157189A - Roofing : en
  • US2157274A - Welding t and method of making same : en
  • US2158046A - Beach maintaining apparatus and a beach maintaining method : en
  • FR49562E - : fr
  • DE675515C - Duplex process for producing steel : de en
  • GB505321A - Improvements in or relating to the production of metal phosphates : en
  • US2157371A - Lubricating system for sewing machines and parts thereof : en
  • FR840944A - Improvements to compressors, pumps and diaphragm motors : en fr
  • US2157180A - Zinc ground rod : en
  • GB505319A - Improvements in and relating to locks : en
  • GB505378A - Improvements in the manufacture of buckle tongues and in the fixing of them to the buckles : en
  • GB505566A - Improvements in and relating to ignition apparatus for internal combustion engines : en
  • US2157379A - Suspensions for lubricating and other purposes : en
  • US2158024A - Coilable measuring rule : en
  • US2157129A - Process of plating bright zinc : en
  • US2157403A - Lubricating means : en
  • US2157719A - Thermionic microphone : en
  • US2157797A - Intermediates for water-insoluble azo dyestuffs : en
  • US2157900A - Fold-making machine : en
  • USD114698S - Design for an illuminable vanity case : en
  • USD114730S - Design for a dress : en
  • AU170238A - Improvements in or relating tothe insertion of wire-rips incan-closures and apparatus therefor : en
  • GB505516A - Improved machine for trimming and/or bevelling the edges of metal plates : en
  • FR840905A - Wrapping and packaging items : en fr
  • GB505293A - Improvements in boxes and other containers embodying plastic mouldings : en
  • GB505307A - Improvements in or relating to ball and socket joints : en
  • GB505477A - Improvements in or relating to electrical armature insulation : en
  • FR840908A - Support transformers : en fr
  • FR841085A - Improvements to shower devices for breast firming : en fr
  • FR49564E - : fr
  • FR841106A - Pitch seed drill : en fr
  • FR841034A - Process for carrying out chemical reactions in dilute solutions, in particular for the purification of water : en fr
  • FR841074A - Device for counting axles for rail vehicles : en fr
  • FR841024A - Stretch press for the production of hollow bodies : en fr
  • GB505242A - Improvements in or relating to electric apparatus for measuring small movements : en
  • DE675435C - Tilting device for ladles or molds : de en
  • FR840982A - Railcar chassis : en fr
  • FR841008A - temperature exchanger intended for the synthesis of hydrocarbons, in particular for the manufacture of pressurized gasoline : en fr
  • GB505351A - Improvements in or relating to lubricant receiving fittings or nipples : en
  • GB505380A - Process for the visible magnification of objects in electron-optical manner : en
  • GB505515A - Improved power-driven means for removing eyes and damaged portions from potatoes or for similarly treating other vegetables or fruit : en
  • GB505333A - Improvements in and relating to balling machines for sliver : en
  • FR841094A - Overheating protection device for vehicle lighting dynamos with highly variable number of revolutions : en fr
  • DE675578C - Centrifugal mill : de en
  • FR841010A - Feeding device for transport installations with automatic division of the material stream and corresponding feeding method : en fr
  • GB505465A - Improvements in and relating to the manufacture of copper acetoarsenite : en
  • FR841016A - Improvements to rolling mill trains : en fr
  • DE675655C - Method and machine for plan machining of sandstone slabs or the like. : de en
  • US2157139A - Battery charging system : en
  • DE675641C - Safety device on Haecksel machines with roller feed : de en
  • GB505491A - Improvements in and relating to eye-pieces for rifle aperture sights : en
  • AT156069B - Electric gas discharge tube. : de en
  • AU174438A - Arrangements for controlling the gain ofa wave-amplifying device andthe equalizer ofa transmission line : en
  • AT156084B - Container. : de en
  • US2158015A - Method of and apparatus for producing foam for fire extinction : en
  • FR840907A - Process for manufacturing a titanium gluconate : en fr
  • US2157242A - Balance wheel and self-oiling wrist pin : en
  • US2157243A - Method of making soft sponge : en
  • USD114634S - Design for a heel : en
  • AT156080B - Agitator for cesspools. : de en
  • AU470538A - An improved distributor for fertilizers andthe like : en
  • DE675662C - High frequency coil arrangement of variable inductance : de en
  • US2157428A - Plug and jack construction : en
  • US2157444A - Tool holder for pneumatic hammers : en
  • US2157658A - Injection engine : en
  • US2157855A - Tuning system for ultra-high-frequency radio apparatus : en
  • US2158011A - Bead-forming machine : en
  • US2157220A - Method of converting hydrocarbons : en
  • US2157419A - Spindle : en
  • US2157564A - Expansion bend : en
  • US2157286A - Apparatus for coating textile material and the like : en
  • AU521138A - An improved hand trolley for restaurant, hospital or domestic use : en
  • CA381225A - Telephonic time announcer : en fr
  • US2157769A - Method and apparatus for welding : en
  • CA381246A - Suction line clearing apparatus : en fr
  • CA381336A - Moulding machine : en fr
  • US2157369A - Sewing machine : en
  • AT156052B - Transmitting and receiving arrangement for directed wireless communication. : de en
  • US2157283A - Endless carrier or conveyer chain : en
  • US2157857A - Thermostat : en
  • AT156076B - Process for making a food from yeast. : de en
  • US2157780A - Meat cutting machine : en
  • DE675395C - Arrangement for regulating the power distribution in an alternating current loop : de en
  • DE675689C - Device for producing a circle division : de en
  • AU346938A - Process for manufacturing cyclic hydrocarbons from aliphatic hydrocarbons : en
  • FR841082A - Centrifugal diffuser with directed jets, for pavement coating : en fr
  • GB505227A - Improvements in and relating to permanent hair waving apparatus : en
  • US2157485A - Food product and method of making it : en
  • FR841103A - Improvements to magnetic and electromagnetic systems : en fr
  • FR841061A - Double curved needle sole sewing machine : en fr
  • GB505285A - Improvements relating to collapsible chairs or seats : en
  • AU166938A - An improved adjustable drawbar or coupling connection for tractors andthe like : en
  • GB505384A - Improvements relating to filling means for petrol tanks : en
  • GB505835A - Improvements in or relating to clarinets : en
  • GB505296A - Improvements in or relating to devices for paring fruit and vegetables : en
  • US2157168A - Visual song interpreter : en
  • DE675542C - Connection socket for ignition leads : de en
  • US2157314A - Glass cleaner : en
  • FR841102A - Aircraft propulsion mechanism : en fr
  • FR841002A - Advanced central heating : en fr
  • US2157143A - Process for dehydration of acetic acid and other lower fatty acids : en
  • US2157195A - Furnace and combustion chamber : en
  • US2157366A - Closed body for automotive vehicles : en
  • USD114710S - Design for a dress : en
  • US2157734A - Hoist : en
  • USD114711S - Design for a dress ensemble : en
  • US2157454A - Supporter : en
  • FR840926A - Solar heat capture installation : en fr
  • FR840915A - New method of distributing electrical pulses, applicable in particular to television, telephony and telegraphy : en fr
  • US2157199A - Advertising device : en
  • US2157214A - Railroad lifting jack : en
  • FR840924A - Process for improving products for flooring and improved products obtained by this process : en fr
  • CA381284A - Slidable seat : en fr
  • DK56137C - Procedure and Coupling for Fee Transfer in Self-Selecting Teletype Systems. : da en
  • US2157625A - High melting point paraffin waxes and compositions thereof : en
  • US2157094A - System for the electrical transfer of rotary motion : en
  • US2157566A - Coke oven door machinery : en
  • US2157809A - Fuel mixing device : en
  • GB505749A - Improvements in processes for the liquid treatment of fine filamentous thread in package form : en
  • US2157384A - Photographic film base : en
  • CA381277A - Blade adjustment mechanism : en fr
  • FR841140A - Portable speakerphone system : en fr
  • DE673927C - Roller mill with dissolving device : de en
  • DE675463C - Process for smoldering hard coals with purge gases : de en
  • DE675551C - Electrical fuse with a fusible link made of magnesium or the like. : de en
  • DE675685C - Adjustable return device for electrical rapid regulators : de en
  • GB505442A - Improvements in or relating to broaches for cutting metal or other materials : en
  • GB505205A - Improvements relating to cycle lamps : en
  • GB505229A - Improvements in or relating to the treatment of endless elastic driving belts : en
  • FR840920A - Improvements to relay adjustment devices : en fr
  • FR841142A - Drain for land drainage : en fr
  • DK56131C - Elastic Holderband by Kautsjuk. : da en
  • FR841193A - Pressurized gas distributor : en fr
  • GB505413A - Improvements in or relating to neck-ties : en
  • GB505657A - A new or improved machine for peeling or cleaning potatoes and the like : en
  • US2157179A - Microwave oscillator and detector : en
  • US2157834A - Electric regulating system : en
  • FR841150A - Device for transforming variations of a frequency into variations of current : en fr
  • DE675517C - Circuit arrangement in telephone systems : de en
  • US2157247A - Ophthalmic mounting : en
  • US2157410A - Wrapper and system of producing same : en
  • USD114729S - Design for a dress : en
  • FR841076A - Advertising presentation device : en fr
  • GB505348A - Removable tabs for index cards : en
  • US2157533A - Oscillator : en
  • US2157770A - Thermostat and method of mounting the same : en
  • US2157846A - Tap connecter : en
  • US2157350A - Automobile door glass control : en
  • FR841047A - Steering for motor cars : en fr
  • AT156072B - Protective housing for padlocks. : de en
  • CA381269A - High frequency power supply circuit : en fr
  • FR840932A - Powder-sulfur improvements : en fr
  • DE675468C - Propellant gas generator with flying pistons : de en
  • DE675516C - Wheel for rail vehicles with rubber rings between the wheel tire and the wheel body : de en
  • FR841179A - Rail with special ends adapted to form joints without hammering or beating : en fr
  • US2157191A - Method of and means for cooling motors : en
  • FR841079A - Machine to shoot or reproduce by light : en fr
  • GB505488A - Improved method of and apparatus for applying "centre spots" to cushion discs used in bottle and like closures : en
  • US2157876A - Polyazo dyestuffs : en
  • US2157415A - Practice golf club : en
  • FR841194A - Cinematographic device with continuous film feed : en fr
  • GB505646A - Improvements in or relating to low-frequency amplifiers with negative retroaction : en
  • US2157743A - Glass applicator cap : en
  • DE675421C - Arrangement for changing the bandwidth of high-frequency circuits with changeable tuning : de en
  • US2157600A - Process for finishing lightweight fabrics : en
  • US2158019A - Vulcanization of rubber : en
  • US2157355A - Pedal depressor : en
  • US2157604A - Fruit and vegetable dicing apparatus : en
  • DE675504C - Push button with lock and release of the lock by a pull button : de en
  • US2157680A - Weld trimming apparatus : en
  • US2157941A - Conversion of hydrocarbons : en
  • US2157599A - Capacity control for ignition : en
  • US2157433A - Safetypin : en
  • US2157776A - Variable gear : en
  • FR840977A - Indelacable lace : en fr
  • FR841012A - Anti-theft device for motor vehicles : en fr
  • CA381305A - Asymmetric electrode system : en fr
  • AU174638A - Improvements in or relating to electric conductor cables : en
  • CA381285A - Ornamental fender skirt : en fr
  • US2157641A - Door dovetail construction : en
  • US2157883A - Electric circuit interrupter : en
  • AU107291B2 - Improvements in or relating to stoppers for carboys, bottles, cans and like containers : en
  • CA381337A - Abrasive coated fabric : en fr
  • US2157913A - Metallic vapor discharge device : en
  • US2157276A - Cup and saucer basket for collective dishwashing : en
  • US2157240A - Valve structure : en
  • US2157447A - Welding composition : en
  • CA381344A - Filament, thread, ribbon and film saponification : en fr
  • US2157868A - Method of packing valve stems and apparatus therefor : en
  • US2157309A - Adjustable shelf bracket and supporting standard : en
  • US2157333A - Bait holder and hook : en
  • US2158049A - Packet for safety razor blades : en
  • US2157483A - Stump splitter : en
  • AT156070B - Electric gas discharge tube. : de en
  • AT156091B - Circuit for step-by-step control of a motorized drive device for voters in telecommunications systems. : de en
  • US2157198A - Fuse : en
  • US2157733A - Brake : en
  • AU266438A - Improvements in o r relating to the treatment of textiles : en
  • CA381318A - Gauging mechanism : en fr
  • US2157751A - Marine boiler : en
  • US2157260A - Process for the preparation of potassium nitrate : en
  • US2157919A - Twin contract plug : en
  • USD114649S - simon : en
  • US2157344A - Flashlight testing device : en
  • USD114644S - Design for a sink cabinet : en
  • US2157389A - Spectrophotometry : en
  • US2157993A - Incineration : en
  • FR841104A - Signaling process for metropolitan railway plans : en fr
  • FR841137A - Signaling device for motor vehicles : en fr
  • US2157354A - Embossing metal plates : en
  • US2157741A - Aluminum alloys : en
  • FR841081A - New polyazo dyes and their preparation process : en fr
  • FR840909A - Liquid tank, especially for oil sampling : en fr
  • GB505396A - Improvements in or relating to agitators for washing machines : en
  • CA381265A - Friction clutch : en fr
  • AT156144B - Carbon microphone. : de en
  • US2157878A - Synchronization testing device : en
  • DE675569C - Slot-controlled two-stroke internal combustion engine with a crankcase pump : de en
  • US2157896A - Metal bottle : en
  • CA381278A - Thermo-electric relay : en fr
  • US2157398A - Belt shifting mechanism for a lathe : en
  • US2157152A - Electrical fuse : en
  • US2157582A - Aperiodic coupling device : en
  • US2157917A - Control system : en
  • DE675629C - Arrangement for regulating the consumer flow of transforming devices working with grid-controlled steam or gas discharge paths : de en
  • AU107269B2 - Improvements in evaporative condensers : en
  • US2157699A - Electrolytic metal powders : en
  • USD114636S - Design for an advertising door pull : en
  • US2157463A - Rubber process and product : en
  • US2157092A - Fabric testing apparatus : en
  • US2157501A - Nutcracker : en
  • US2157665A - Crystal mounting with temperature compensation : en
  • GB505215A - Improvements in and relating to electric transformers : en
  • US2157701A - Piezoelectric apparatus : en
  • CA381315A - Aminotriazine manufacture : en fr
  • US2157530A - Process for producing low substituted alkyl celluloses : en
  • US2157558A - Preparation of hypochlorites : en
  • DE675548C - High voltage fuse : de en
  • US2157277A - Brake : en
  • US2157858A - Synchronous circuit controlling apparatus : en
  • USD114661S - Design for a brooch or similar : en
  • DE675503C - Wheel suspension, especially for motor vehicles : de en
  • US2157721A - Loose leaf binder : en
  • US2157358A - Index card carrier : en
  • US2157820A - Bar for helical springs : en
  • CA381340A - Radio frequency amplifier : en fr
  • USD114628S - Design for an electrical instrument : en
  • CA381334A - Rubber thread cutting machine : en fr
  • DE675437C - Saw blade with sharpened M-teeth : de en
  • FR841039A - Mechanical servo motor, suitable for application to hydraulic braking mechanisms : en fr
  • GB505472A - Composite ice cream cake and method of manufacture : en
  • FR840903A - Rear light for vehicles of all types : en fr
  • US2157413A - Window for stoves : en
  • USD114673S - Design for a cocktail shaker : en
  • FR841197A - Method of drying and loading washed coal and the like : en fr
  • GB505398A - Improvements in the manufacture of hollow articles from polyvinyl chloride : en
  • FR49588E - Improvements in enamelling and metal wire insulation processes : en fr
  • FR840987A - Improvements to methods and devices for coating the internal surfaces of metal containers : en fr
  • DE675411C - Process for the preparation of water-soluble nitrogen-containing condensation products : de en
  • DE675450C - Watercraft with inflatable floats : de en
  • DE675464C - Heat exchanger : de en
  • FR840941A - Improved device for fixing motors and similar assemblies : en fr
  • US2157500A - Derrick : en
  • US2158022A - Vulcanization of rubber : en
  • US2157360A - Correction device for gyrocompasses : en
  • US2157907A - Fuse : en
  • DK56158C - Clay Procedure and Apparatus. : da en
  • GB505747A - Improvements connected with rockets : en
  • US2157172A - Apparatus for playing a game : en
  • US2157557A - Volume control : en
  • US2157895A - Contact assembly for double-surfaced rectifier elements : en
  • US2157949A - Wrapping machine : en
  • FR841130A - Advanced condensed milk and its preparation process : en fr
  • DE675398C - Process for the separation of mineral oils, their distillates or residues into paraffinic, naphthenic and aromatic fractions : de en
  • DE675522C - Process for the production of hide glue : de en
  • DE675562C - Unwinding devices for molding boxes on rocking and compression molding machines : de en
  • US2157259A - Variable speed transmission : en
  • USD114639S - Design for a door stop : en
  • US2157491A - Device for screening-off secondary x-rays : en
  • US2157908A - Ornamental wheel disk structure : en
  • US2157647A - Lubricating grease : en
  • GB505359A - Improvements in and relating to the manufacture of light-sensitive coated papers : en
  • SE95669C1 - : en
  • US2157698A - Asphalt emulsions and process of making same : en
  • US2157612A - Police grab : en
  • DE675461C - Device for displaying misalignments when driving sheet piles in water : de en
  • FR49566E - High frequency signaling systems : en fr
  • US2157161A - Juice-expressing device : en
  • US2157833A - Hand luggage : en
  • DE675482C - Hydraulic brake adjustment devices for vehicle brakes : de en
  • DE675577C - Jaw crusher : de en
  • FR49563E - : fr
  • US2157806A - License plate holder : en
  • SE95637C1 - : en
  • US2157148A - Manufacture of cuprammonium rayon : en
  • US2157961A - Means for attaching paste to the plates of electric batteries : en
  • GB505341A - Improvements in and relating to wheel suspension devices for vehicles : en
  • DE675241C - Folding device with rubber band guide for sewing machines : de en
  • US2157735A - Taping machine : en
  • US2157196A - Gauging apparatus for liquid containers : en
  • GB505381A - Device for use in a method for ascertaining the kinds and quantities of fertilisers to be added to soils : en
  • FR49592E - New metal profile and its applications, in particular, to motor vehicles : en fr
  • FR840906A - Enhancements to self-closing spring clips : en fr
  • GB505534A - Method of and machine for forming bottoms on tubular glass blanks : en
  • US2157755A - Feed and process of preparing same : en
  • USD114654S - Design for a power driven pipe stand : en
  • FR841188A - Uniform filtration set for all types of filters, applicable in particular to protection against gases, vapors and solid particles, harmful from the atmosphere : en fr
  • US2157970A - Apparatus for delivering liquids and viscous materials : en
  • CA381241A - Bottle cap crimping device : en fr
  • US2157373A - Thread handling device for sewing machines : en
  • US2157414A - Artificial fishing bait : en
  • US2157422A - Corset garment : en
  • US2157723A - Force measuring device : en
  • US2157777A - Resistor : en
  • US2157939A - Dehydrogenation of hydrocarbons : en
  • FR841073A - Airplane with two engines arranged one behind the other : en fr
  • FR841143A - Improvement in railway tracks : en fr
  • GB505498A - Improvements in or relating to bearings : en
  • US2157465A - Power transmission mechanism : en
  • US2157633A - Beer and method of preparing same : en
  • US2157224A - Method for producting motor fuels : en
  • FR841191A - Tilting and lifting table for rolling mills : en fr
  • GB505464A - Improved device for filling moulds or other spaces with a pulverulent material : en
  • US2157484A - Oil grooving machine : en
  • DE675054C - Method for soldering nested pipes and sleeves : de en
  • FR841077A - Cinematographic device with electric posometer : en fr
  • GB505459A - Improvements in or relating to eraser shields : en
  • CA381227A - Rotatable fastener : en fr
  • CA381263A - Milk product : en fr
  • AT156097B - Method and machine for machining the outer surface of ingots and similar non-prismatic, in particular pyramidal and truncated pyramidal or conical and truncated conical workpieces (blocks) on machines with horizontally reciprocating workpiece or tool. : de en
  • AT156133B - Electrical switchgear selector. : de en
  • US2157296A - Control device : en
  • US2157418A - Spring cover : en
  • DE675523C - Asbestos filter for the filtration of viscose solutions, especially for the manufacture of rayon : de en
  • US2157832A - Electric circuit interrupter : en
  • US2157320A - Detekgent composition containing : en
  • USD114689S - Design for a water cooler cabinet : en
  • US2157266A - Combination amusement and advertising device : en
  • US2157583A - Apparatus for producing decorative material : en
  • US2157590A - Refrigerating apparatus : en
  • US2157783A - Folding hood for automobile vehicles or the like : en
  • US2157804A - Combined print washing and fixing device : en
  • US2157216A - Method of and means for inserting fastenings : en
  • US2157521A - Device for applying a coating to fabric : en
  • US2157710A - System of control for burners : en
  • AU198439A - Improvements in and relating to means for inserting electric discharge tubes into holders : en
  • DE675403C - Hand protection with strap : de en
  • AU107283B2 - Process for manufacturing cyclic hydrocarbons from aliphatic hydrocarbons : en
  • DE675390C - Process for the separation of mixtures of acetic anhydride, acetic acid and water : de en
  • FR841160A - Improvements in processes and apparatus for testing conductive objects and for finding their defects : en fr
  • GB505366A - Device for the starting of multi-cylinder internal combustion engines : en
  • GB505514A - Improvements in optical systems for search-lights : en
  • AT156059B - Piston ring. : de en
  • AU198838A - Attachment to pneumatic tyred wheels to prevent slipping : en
  • US2158008A - Beam-testing machine : en
  • AT156064B - Electric motor designed for underwater use. : de en
  • AT156051B - Bearing arrangement. : de en
  • AT156074B - Process for the production of steels with a certain grain size. : de en
  • FR841048A - Device for cleaning carpets, blankets, bags and other objects : en fr
  • GB505323A - Improvements in and relating to balancing machines : en
  • GB505552A - Process for the manufacture of derivatives of sterols : en
  • FR841069A - Automatic and adjustable feed device for the cutting tool of a machine tool : en fr
  • GB505409A - Improvements in moving stairways : en
  • CA381328A - Window screening device : en fr
  • AT156126B - Method and device for starting multi-cylinder internal combustion engines. : de en
  • US2157646A - Single use tube : en
  • DE675497C - Starting device for internal combustion engines : de en
  • GB505291A - Selflocking nut : en
  • GB505361A - Improvements in and relating to fittings for supporting and conveying current to electric lamps : en
  • GB505564A - Improvements in or relating to fountain pens : en
  • DE675422C - Arrangement for connecting the lines of electrical installation equipment : de en
  • US2158012A - Insulator : en
  • FR49553E - Advanced cooling arrangement for so-called air-powered aircraft engines : en fr
  • FR841000A - Fan can rotate around the axis of its support : en fr
  • GB505526A - Improvements in and relating to cartons : en
  • DE675596C - Carousel driven by a bevel gear : de en
  • CA381236A - Compressed air motor : en fr
  • AT156055B - Joint plate for dry masonry. : de en
  • AU508137A - Improvements in or relating to frequency mixing and modulating circuit arrangements : en
  • AU170838A - Improvements in or relating to stoppers for carboys, bottles, cans and like containers : en
  • DE675611C - Gun installation for aircraft : de en
  • DE675438C - Agitator for spreaders : de en
  • FR840965A - Method for preparing a new strophantus kombe glucoside : en fr
  • CA381274A - Flashlight : en fr
  • AU364138A - Improvements in combinations of electric discharge lamps and electric incandescent lamps : en
  • AU107282B2 - Improvements in or relating toa method forthe production of rubber thread consisting of three or more united filaments : en
  • AT156101B - Device for wet treatment of loose work, especially for dyeing hat stumps u. like : de en
  • AT156129B - Air-cooled star cylinder engine, in particular for vehicles. : de en
  • US2157632A - Beverage : en
  • CA381307A - Railway car : en fr
  • CA381345A - Electrified stock enclosure : en fr
  • DE675260C - Circuit for two parallel arc lamps, especially for cinema use : de en
  • US2157177A - Public address stabilizing system : en
  • US2157661A - Generator output regulator system : en
  • AT156137B - Electric quick turn switch. : de en
  • DE652122C - Green feed silo made of wooden planks : de en
  • FR841108A - Counter for all liquids : en fr
  • CA381238A - Bed : en fr
  • AT156121B - Pocket box. : de en
  • AU107279B2 - Process and apparatus for spraying surfaces with liquids : en
  • FR840953A - Lighting lantern with combined refraction and reflection light distribution : en fr
  • GB505244A - Improvements in or relating to thimble tube boilers : en
  • AT156061B - Metal vapor converter with a non-metallic vessel. : de en
  • AU107266B2 - Alighting unit and means for increasing and decreasing the illuminating power thereof as required : en
  • AU107281B2 - Improvements in magnetic materials for the cores of electric inductors : en
  • CA381235A - Wheel ornamental member fastening means : en fr
  • DE675392C - Train control device : de en
  • DE675417C - Tube generator with graduated frequency markings : de en
  • DE668326C - Disk-shaped, massive milling cutter for metalworking with hollow-ground tooth face : de en
  • CA381291A - Engine operating method : en fr
  • FR841088A - Improvements to casing straightening machines : en fr
  • DE675561C - Rotary piston machine with eccentric drum runners : de en
  • DE675453C - Writing board with protective covers designed as sliders on both sides : de en
  • DE675549C - Closed fuse with remote-controlled heating device : de en
  • US2157875A - Automatic immersion apparatus : en
  • DE675652C - Door handle fasteners : de en
  • FR49568E - : fr
  • FR841196A - Turn indicator instrument : en fr
  • AT156146B - Suspension boards for instruments, in particular electric measuring devices. : de en
  • DE675579C - Device for fine grinding of grist : de en
  • GB505487A - Improved process of treating pelts or furs : en
  • US2157954A - Flower display box : en
  • DE675415C - Device for the optional setting of a part of a device to predetermined positions : de en
  • FR841065A - Process for improving acid baths used in metallurgy : en fr
  • AT156139B - Electric light bulb. : de en
  • US2157762A - Machine tool : en
  • GB505394A - Improvements in and relating to x-ray tubes : en
  • DE1465606U - OVEN FOR SMALL-PIECE GLOWING MATERIAL : de en
  • US2157453A - Process for the manufacture of bearings : en
  • US2157578A - Reversible internal combustion engine : en
  • US2158007A - Ironer belting : en
  • GB505463A - Toasting machines : en
  • GB505435A - Method and apparatus for the mechanical recording of sound oscillations : en
  • FR841156A - Illumination device for ship hulls : en fr
  • FR841099A - Advanced closure for bottles : en fr
  • US2157409A - Air cooling device : en
  • USRE21077E - Pectate and method of making same : en
  • US2157798A - Amusement device : en
  • FR49591E - : fr
  • US2157272A - Brake : en
  • FR841097A - Device for socket lines for electric traction, and in particular for trolley bus lines : en fr
  • GB505332A - Improvements in or relating to internal combustion engines of the liquid fuel injection type : en
  • US2157153A - Niggerhead : en
  • US2157159A - Antenna system : en
  • US2157591A - Collar : en
  • USD114684S - Design for a plate ob similar article : en
  • GB505479A - Improvements in reels for welding wire or rod material : en
  • GB505470A - Improvements in and relating to electrically controlled copying systems for milling and like machines : en
  • CA381248A - Railway routing chart : en fr
  • FR840917A - Improvements to casings for pneumatic tires : en fr
  • FR841052A - Jacquard loom : en fr
  • GB505313A - Improvements in or relating to tramway, railway and like crossings : en
  • GB505536A - Improvements in coats : en
  • GB505574A - Improvements in or relating to telecinematographic apparatus : en
  • AT156138B - Ceramic capacitor with mechanically secured connection electrodes. : de en
  • AU107297B2 - Improvements in or relating to radio transmitting and receiving aerial arrangements : en
  • USD114645S - Drain board : en
  • FR841090A - Receiving apparatus of t. s. f. : en fr
  • GB505549A - Improvements in snap-action electric switches : en
  • GB505587A - Improvements in or relating to lighting installations for high tension cables : en
  • DE675541C - High-frequency cable with several concentric lines, preferably air-space-insulated : de en
  • GB505447A - Improvements in or relating to measuring devices for determining the quantity of liquid in a container mounted on an unstable base : en
  • DE675487C - Discharge tubes that contain a gas discharge path with a glow cathode as cathode : de en
  • DE675509C - Process for the production of embossed jewelry from artificial mother-of-pearl : de en
  • DE675567C - Tedder with rake drum driven by the running wheels by means of a disengageable clutch : de en
  • US2157707A - Hydraulic control valve : en
  • US2157281A - Propelling device : en
  • US2157470A - Steam trap : en
  • US2157959A - Floating bridge : en
  • USD114641S - Design fob a sink : en
  • US2157264A - Illuminated structure : en
  • US2157803A - Printing press : en
  • US2157826A - Horseshoe : en
  • USD114727S - Design for a dress : en
  • US2157624A - Vacuumizing device for containers : en
  • USD114722S - Design for a bracelet : en
  • FR841184A - Delay corrector for remote control : en fr
  • AU107311B2 - Stimulation of growth from plant cuttings : en
  • FR841054A - Manufacturing process for railway tracks, wheel tires, sheet piles and other objects subject to heavy wear : en fr
  • FR841187A - Advanced metal tube saw frame : en fr
  • US2157137A - Xyloseen-1.2-tribenzoates and process for producing the same : en
  • US2157936A - Refractory metal compositions : en
  • GB505485A - Improvements in combined cooking and water heating apparatus for domestic purposes : en
  • US2157208A - Polymerization and catalyst therefor : en
  • US2158048A - Constant period gyrocompass : en
  • US2157842A - Container and closure : en
  • USD114650S - Design for a game table : en
  • USD114685S - Design for a cracker tray : en
  • FR841063A - Improvements to electric discharge tubes : en fr
  • GB505756A - Improvements in or relating to artificial nitrogenous textile fibres : en
  • US2157186A - Convertible trailer-boat : en
  • FR840963A - Process for cultivating a plant, in particular for the manufacture of edible oils and fats and products thereof : en fr
  • FR841148A - Method and device for maintaining the radioactivity of all fluids intended for punctures : en fr
  • US2157603A - Scrip cover : en
  • USRE21075E - freedlander : en
  • US2157650A - Method for converting road-rail vehicles from one use to the other : en
  • US2157636A - Motor control system for a traffic signal : en
  • US2157678A - Refrigerator door : en
  • US2157108A - Toy typewriter : en
  • USD114716S - Design for a bicycle frame : en
  • GB505374A - Improvements in or relating to electric motor control systems : en
  • US2157118A - Synthetic fibers : en
  • US2157123A - Shoe bottom pressing machine : en
  • US2157547A - Photographic camera : en
  • US2157789A - Jewel setting holder : en
  • US2157102A - Reinforced laminated gasket : en
  • US2157573A - Means for combining smocking and needlework design : en
  • US2157390A - Method for making cast iron : en
  • DE675583C - Cinematographic recording device with objective nosepiece : de en
  • AT156135B - Radio receiving cassette. : de en
  • AU107277B2 - A variable gain amplifier for fading television signals : en
  • CA381321A - Shoe trimming machine : en fr
  • US2157351A - Sensitizing dyes for photographic emulsions : en
  • US2157430A - Motor circuit : en
  • US2157596A - Method of making porous metal elements : en
  • US2158009A - Electrical relay : en
  • USD114651S - Design for a radio cabinet : en
  • AU33538A - Improvements in power driven elevators for use with motor trucks andthe like : en
  • AU107293B2 - Process for manufacturing alloys, more particularly ferro-alloys : en
  • US2157417A - Automatic circuit selector : en
  • GB505303A - Improvements in or relating to radio and like transmitters : en
  • GB505306A - Electrically starting internal combustion engines or the like : en
  • DK56133C - Apparatus for the manufacture of pleats and wreaths. : da en
  • FR841049A - Dyes for wool and process for their manufacture : en fr
  • US2157345A - Clamp : en
  • GB505230A - Improvements in or relating to the mounting of guns on aircraft : en
  • GB505458A - Improvements in or relating to cooking ovens : en
  • US2157098A - Bearing : en
  • US2157486A - Internal combustion engine with adjustable pressure : en
  • US2157617A - Telephone pay station : en
  • USD114703S - Design for a dress : en
  • US2157580A - Process of making & reinforced ball : en
  • US2157775A - Drying apparatus : en
  • US2157859A - Control system for trolley frogs : en
  • US2158036A - Hack saw steel : en
  • US2157361A - Motor vehicle light : en
  • FR840976A - Special photo-sensitive layer photocell : en fr
  • FR840955A - Improvements to cameras : en fr
  • FR841176A - Improvements in rectilinear hosiery looms : en fr
  • AT156114B - Method and device for the production of open boxes from cardboard or the like. : de en
  • US2157399A - Sock : en
  • US2157330A - Paving process : en
  • US2157774A - Valve for feed water heaters : en
  • US2157839A - Food preparation and method for making the same : en
  • US2157299A - Packing device, stuffing box, and the like : en
  • US2157497A - Marking machine : en
  • US2157845A - Method of making measuring instrument pointers : en
  • DK56139C - Thermostatic Torque Switch. : da en
  • US2157745A - Liquid dispensing apparatus : en
  • AU170338A - Deformation control for resilient bodies andthe like : en
  • US2157663A - Shingling gauge holder : en
  • US2157096A - Thermal insulation : en
  • DE675657C - Process for improving the baking quality of flours or doughs : de en
  • US2157124A - Engine frame : en
  • US2157796A - Intermediates for water-insoluble azo dyestuffs : en
  • US2157816A - Device for sharpening cutlery : en
  • AT156078B - Flash lamp. : de en
  • AT156103B - Method and device for the production of threads or the like from glass and structures therefrom. : de en
  • CA381252A - Constant current system : en fr
  • CA381327A - Injection applicator : en fr
  • AT156120B - Sliding window with horizontally slidable and pivotable sashes. : de en
  • CA381304A - Electron discharge tube : en fr
  • DE675638C - Adjustment device for the reel of binders : de en
  • US2157611A - Suspension for drawers and analogous devices : en
  • US2157664A - Retarded switch : en
  • USD114679S - Design fob an ashtray : en
  • US2157227A - Rope coupling : en
  • US2157303A - Draining frying pan : en
  • CA381282A - Detachable electric connector : en fr
  • CA381289A - High frequency coil : en fr
  • FR841144A - Support and firing system for aerial mines : en fr
  • DE675545C - Electric switch with arc extinguishing by compressed gas : de en
  • CA381262A - Extension lamp socket : en fr
  • AT156086B - Device for recording motion pictures in natural colors. : de en
  • AT156141B - Device for controlling switches, especially for regulating purposes with time-dependent setting. : de en
  • US2157510A - Process for effecting anion exchange : en
  • US2157926A - Power system and control therefor : en
  • US2157562A - Screen apparatus : en
  • AU107286B2 - An improved adjustable drawbar or coupling connection for tractors andthe like : en
  • US2157703A - Piezoelectric apparatus : en
  • DE671996C - Process for printing with Kuepen dyes : de en
  • US2157429A - Clutch throw-out collar : en
  • US2157512A - Ink container and closure : en
  • US2157522A - Electric signal transmission line : en
  • US2157763A - Doll : en
  • US2157909A - Prevention of inductive interference : en
  • US2157915A - Weed extractor : en
  • US2157991A - Preparation of vat dyestuffs of the anthraquinone series : en
  • DE675590C - Pressure cylinder arrangement for two separate brake pressure line networks of the fluid brake of a motor vehicle : de en
  • US2157788A - Key-filing device : en
  • US2157921A - Fender skirt mounting : en
  • FR841195A - Improvements to steam generators heated by combustion engine exhaust : en fr
  • FR841007A - Process for manufacturing leather-like products : en fr
  • GB505349A - Improvements in and relating to combination skates and skating boots : en
  • US2157738A - Lamp guard and handle : en
  • US2157197A - Apparatus for measuring predetermined quantities by weighing : en
  • AU107301B2 - Improvements in combinations of electric discharge lamps and electric incandescent lamps : en
  • DE674628C - Device on automatic switches with heat release device, which shortens the waiting time until it can be switched on again : de en
  • DE675623C - Automatic coupling for vehicles, especially railway vehicles : de en
  • US2157103A - Apparatus for and method of operating cascade systems : en
  • US2157829A - Separator : en
  • USD114676S - Design for an ashtray : en
  • DE675460C - Drive for drying tracks, especially for pasta dryers : de en
  • US2157100A - Glazed ceramic insulator and the like : en
  • CA381317A - Shoe upper lacing machine : en fr
  • AT156095B - Process for the production of magnesium and alkaline earth metals by molten electrolysis. : de en
  • DE675565C - Process for the production of moldings from horn meal : de en
  • FR841093A - Self-excited electric oscillation generator : en fr
  • GB505642A - Improvements in and relating to liquid coating compositions : en
  • AT156094B - Motor-driven switching mechanism, in particular for electric traction vehicles. : de en
  • FR840997A - Improvements to travel cases : en fr
  • FR841172A - Refrigeration process : en fr
  • US2157211A - Friction clutch : en
  • US2157716A - Drying apparatus : en
  • US2157840A - Power system : en
  • US2157854A - Composition of matter useful for mothproofing : en
  • AU107294B2 - Improvements in or relating to ultraviolet ray emitters and their envelopes : en
  • US2157267A - Power transmission control : en
  • US2157402A - Lubricating means : en
  • US2157619A - Combined harvester and grinder : en
  • AT156122B - Process for the production of pliable laminates. : de en
  • DK56141C - Electric Discharge Tube for Optical Voltage Display. : da en
  • AT156100B - Chain catenary with automatically retensioned suspension cable and contact wire, especially for high vehicle speeds. : de en
  • US2157670A - Foldable umbrella frame : en
  • US2157150A - Relief of stress cracking in aluminum-magnesium alloys : en
  • FR841027A - Process for bleaching cellulose using chlorine, especially chlorine gas : en fr
  • GB505232A - Improved metal crate for fragile articles : en
  • GB505423A - Improvements in or relating to pumping apparatus including a centrifugal pump and a de-aerating pump : en
  • SE95681C1 - : en
  • US2157442A - Wire line swing : en
  • AT156077B - Carbon paper with a waxed back. : de en
  • AU168638A - Improvements relating tothe production of subtractive colour photographs : en
  • US2157531A - Comfort cooling unit : en
  • US2157877A - Polyazo dyestuffs : en
  • US2157955A - Pressed metal leg structure : en
  • US2157814A - Polyphase transformer tap-changing mechanism : en
  • US2157544A - Cellulosic structure and process for preparing same : en
  • DE675401C - Process for the production of plastic masses by reacting alkali, ammonium or alkaline earth polysulphides with organic halides : de en
  • FR841004A - Process for the preparation of branched alkylenes from unbranched alkylene, or more branched alkylene from less branched alkylene : en fr
  • US2157426A - Window construction : en
  • CA381220A - Eyelash cosmetic applicator : en fr
  • DE675400C - Preservatives : de en
  • DE675612C - State diagram : de en
  • FR840933A - Jaw crushers : en fr
  • DE675572C - Oil bath air filter : de en
  • CA381303A - Shoe counter : en fr
  • US2157517A - Printing telegraph apparatus : en
  • FR841091A - Improvements to variable depth sound recording media : en fr
  • AU458838A - An improved pipe bending tool : en
  • GB505582A - Improvements in or relating to devices for filling pots or like containers with pasty material : en
  • US2157498A - Apparatus for the production of metallic coatings : en
  • DE675667C - Process for the production of magnetic cores for high frequency purposes : de en
  • US2157674A - Process of manufacturing a free machining case-hardening steel : en
  • AT156099B - Control valve for air brakes. : de en
  • US2157642A - Turning table : en
  • FR841092A - Improvements to heavy alloys : en fr
  • US2157608A - Stove and range : en
  • CA381339A - Railway articulated car : en fr
  • FR841068A - Jumpsuit with bra : en fr
  • AU107265B2 - Improvements in or relating to web joining and roll changing mechanism for printing or other machines operating on web drawn froma roll : en
  • US2158018A - Mine prop : en
  • AU107318B2 - Device for manoeuvring and parking grounded aeroplanes andother mobile machines in relatively confined spaces : en
  • GB505208A - A method of and means for determining the form, and controlling the production, of geodesics : en
  • FR841040A - Anti-shock seal for railroad track : en fr
  • FR49598E - Multigrid tube : en fr
  • GB505523A - Improvements in doors : en
  • USD114653S - Design for a perfume bottle display : en
  • USD114665S - Design for a jar : en
  • US2157249A - Change-speed control : en
  • US2157649A - Combined body and chassis construction : en
  • US2157998A - Trailer hitch : en
  • GB505328A - Improvements in or relating to electric high-pressure metal-vapour discharge tubes : en
  • GB505508A - Process for obtaining beryllium and beryllium alloys : en
  • GB505336A - Improvements in and relating to apparatus for purifying cereal products : en
  • GB505404A - Improvements in or relating to absorption refrigerating systems : en
  • FR841115A - Metal gasifier with water-jackets and without grid for the use of light or ashy fuels : en fr
  • GB505557A - Amplifier valve : en
  • DE675648C - Chainless bike with pedal levers : de en
  • FR840948A - Currency and apparatus for the use of that currency : en fr
  • FR841057A - Indicator or recorder measuring device for technical operations with periodic operation : en fr
  • DE675447C - Process for processing edge strips that fall off when trimming sheet metal : de en
  • GB505202A - Improvements in or connected with stowing tanks in aircraft wings : en
  • FR841166A - High pressure discharge electric lamp : en fr
  • GB505511A - Improvements in or relating to electric control systems for power-actuated movable objects : en
  • GB505376A - An improved strainer for the spouts of teapots and like containers for liquids : en
  • US2157891A - Collapsible tubular container : en
  • USD114692S - Design for a coffee maker : en
  • USD114731S - Design for a massage roller : en
  • US2157652A - Throttle control device : en
  • US2157504A - Parachute harness : en
  • CA381276A - Overhead door : en fr
  • DE675393C - Process for the production of highly active depolarizers : de en
  • GB505400A - High frequency radio repeater : en
  • GB505551A - Heat insulating handle for micrometers, calliper gauges, and similar measuring tools : en
  • US2157229A - Apparatus for compressing gases : en
  • US2157966A - Liquid dispenser : en
  • US2158020A - Stand : en
  • US2157539A - Hydraulic press : en
  • US2157772A - Combined push button and illuminated house number device : en
  • USD114690S - Design for a drinking glass : en
  • GB505278A - An improved insulating and/or packing or wrapping material and a method of manufacture thereof : en
  • GB505362A - Improvements in compositions of matter containing anti-hygroscopic agents and processes of preparing the same : en
  • IE15336L - H.p.m.v. electric discharge lamps : en
  • US2157443A - Tire removing tool : en
  • US2157695A - Washing machine : en
  • US2157962A - Sled knee : en
  • US2157149A - Copper base alloy : en
  • US2157308A - Casket : en
  • AT156090B - Gas fusion welded rail connection. : de en
  • AU174038A - An improved coupling having valvular control for use in systems for conveying gas or liquid under pressure froma supply source toa vessel or machine : en
  • DE675190C - Electrical wound capacitor : de en
  • AU107312B2 - An improved distributor for fertilizers andthe like : en
  • US2157687A - Skid chain applying mechanism : en
  • DE675412C - Running rail for the printing cylinder arranged on the cart of a high-speed press : de en
  • DE675445C - Device for the production of colored line raster copies by optical copying of colored originals : de en
  • US2157113A - Preservation of fermentable materials : en
  • US2157503A - Ampoule syringe : en
  • US2157822A - Clothes drying frame : en
  • US2157945A - Lighting fixture : en
  • US2157717A - Head rod holder : en
  • US2158045A - Thermometer : en
  • DE675449C - Connection of the handlebar with the handlebar support tube for bicycles and motorcycles : de en
  • FR841131A - Combined respirator with filter mask and compressed air : en fr
  • US2157528A - Machine for forming compressed feeds and similar products : en
  • US2157727A - Treatment of fabrics to prevent rotting : en
  • GB505531A - Improvements in or relating to electric heating resistors of bar form : en
  • FR841182A - Process for preparing solutions of xanthogenate and cellulose products obtained using said solutions, from cellulose of any kind, unbleached and obtained by alkaline attack : en fr
  • GB505496A - Improvements in the destructive hydrogenation or pressure extraction of solid carbonaceous substances : en
  • GB505935A - Improvements in or relating to connecting leads for electrical apparatus : en
  • FR841064A - Improvements to must : en fr
  • US2157606A - Electrically heated fabric : en
  • US2157610A - Valve for internal combustion engines : en
  • US2157595A - Thermionic vacuum tube : en
  • US2157801A - Apparatus for the charging of cigarette making machines : en
  • GB505466A - Improvements in railroad crossing : en
  • GB505579A - Improvements in and relating to synthetic resin sheets and matrices made therefrom : en
  • DE675413C - Type lever rest bearing for typewriters : de en
  • FR841026A - New process for making low weight stony materials : en fr
  • FR841192A - Process for dyeing ethers-oxides and cellulosic ethers-salts : en fr
  • GB505483A - Improvements in or relating to circular looms : en
  • GB505585A - Electrical tube welding machine : en
  • US2157160A - Electric fence controller : en
  • US2157538A - Distributing device : en
  • US2157300A - Circular knitting machine : en
  • DE670222C - High-speed planing machine in which the ram head that carries the tool is also guided : de en
  • FR841167A - Improvements to calculating machines and the like : en fr
  • GB505322A - Improvements in and relating to refrigerating machines : en
  • GB505643A - A cap for everybody : en
  • US2157863A - Control apparatus : en
  • US2158004A - Electrical connection means : en
  • AU107267B2 - Improvements in or relating to the remote control of radio receiving apparatus : en
  • FR840928A - Improvements to machines for applying latex and other bodies to surfaces such as fabrics : en fr
  • GB505399A - Improvements in and relating to mixing and agitating apparatus : en
  • DE675430C - Process for the production of azo dyes : de en
  • GB505407A - Kaleidoscope : en
  • FR841114A - Electric locomotive tender : en fr
  • GB505317A - Improvements in lifts : en
  • AU107303B2 - Improvements in or relating to traffic control systems : en
  • DE675271C - Carburetor for a gas or a liquid fuel : de en
  • US2157482A - Knit undergarment with elastic neck band : en
  • US2157856A - Diode rectifier : en
  • US2157742A - Internal combustion engine : en
  • US2157960A - Ornamental wheel disk : en
  • US2157802A - Douche nozzle : en
  • FR840959A - Optical system usable in particular for recording and reproducing sound : en fr
  • GB505344A - Apparatus for providing self-locking screw nuts with incisions : en
  • GB505390A - Improvements in or relating to printing machines : en
  • US2157787A - Electromagnetic switch device : en
  • USD114657S - Design for a vending machine casing : en
  • DE675527C - Process for the production of strong galvanic copper coatings on iron : de en
  • DE675644C - Device for dampening running webs : de en
  • GB505224A - Improvements in or relating to ticket delivery devices : en
  • GB505312A - A process for the preparation of aromatic amines containing a sulphonamide group in the aromatic ring and of derivatives thereof : en
  • GB505437A - Improvements in and relating to means for securing relative motion in two dimensionsbetween an object and means for operating thereon : en
  • US2157193A - Packaging : en
  • US2157862A - Tooth brush retainer : en
  • US2157336A - Electron discharge apparatus : en
  • US2157525A - Preparation of chlorine monoxide : en
  • US2157694A - Transmission level control : en
  • US2157756A - Irrigating apparatus : en
  • USD114669S - Design for a pump : en
  • US2157683A - Device for mixing, sifting, and kneading : en
  • US2157898A - Self-sealing envelope : en
  • USD114642S - Design fob a sink : en
  • CA381281A - Snap action mechanism for switches, etc. : en fr
  • US2157944A - Process of and apparatus for producing covering material : en
  • USD114700S - Design fob a dress ensemble : en
  • GB505198A - Method of, and apparatus for, preparing slivers : en
  • GB505207A - Drinking-cups or like appliances adaptable to bottles containing beverages : en
  • US2157635A - Venting device : en
  • US2157502A - Plant protector : en
  • US2157818A - Shoe : en
  • GB505520A - Apparatus for transmitting the indications of a weighing scale to an indicating and/or recording or printing apparatus : en
  • FR841168A - Method and device for using the mechanical energy contained in the movement of waves of standing water : en fr
  • US2157204A - Conversion of hydrocarbons : en
  • DE675490C - Magnetogram carrier, consisting of a non-magnetizable carrier tape, on or in which ferromagnetic powder is arranged : de en
  • DE675434C - Multi-part base plate for molds open at the bottom : de en
  • AT156140B - Method for controlling ion valves with transition anode. : de en
  • CA381296A - Window locking and anti-rattling device : en fr
  • US2157187A - Remotely controllable automatic train coupling system : en
  • US2158041A - Fireplace : en
  • US2157127A - Evaporator : en
  • US2157437A - Dark field illuminator : en
  • USD114696S - Design for a bracket for bathroom : en
  • DE675410C - Process for the preparation of a shelf-stable anti-knock agent containing tetraethyl lead and a neutral alkali fluoride : de en
  • US2157394A - Bed commode : en
  • FR840998A - Trap trap for rodents or other pests : en fr
  • US2157457A - Tobacco leaf cutting machine : en
  • FR841127A - Improvements made to sheet metal bending machines : en fr
  • AU107264B2 - Improvements in or relating to web joining and roll changing mechanism for printing or other machines operating on web drawn froma roll : en
  • FR841118A - Two-stroke engine : en fr
  • FR840992A - Device for the transport or conduction of ultra-high frequency energy : en fr
  • AU130438A - Device for manoeuvring and parking grounded aeroplanes andother mobile machines in relatively confined spaces : en