• DE585820C - Ceiling with a level soffit : de en
  • GB399781A - Improvements in and relating to insulating material for electric conductors : en
  • US1929887A - Control for internal combustion engines : en
  • DE585981C - Shotgun barrel : de en
  • GB399689A - Improvements in binding arrangements for sheets and leaflets : en
  • DE585786C - Pack for bulk items : de en
  • CA336308A - Coal stoker : en fr
  • US1930404A - Device for beach equipment : en
  • FR42790E - Improvements to games in which a loaded vehicle is manually launched on a guide towards a determined goal : en fr
  • FR753230A - Cover for electrical switches : en fr
  • FI15513A - Projects with pipelines of metal content for the first and second generation : en fi
  • DE585924C - Process for the production of a two-color or multi-color screen for photographic color images : de en
  • US1929685A - Reflector system for stereocinematograph cameras : en
  • GB399690A - Improvements in and connected with tubular heat-exchange apparatus for fluids : en
  • DE585893C - Method for connecting a dropped voltage-free direct current network, which is predominantly composed of lighting systems, to the feeding single-armature converters : de en
  • DE585866C - Procedure for building ground and ground reinforcement : de en
  • US1929657A - Folding bed cover clamp : en
  • US1930255A - Telephone system : en
  • US1930342A - Golf practice club : en
  • CH164474A - Metallic device for street signaling or for demarcating sports or other places. : en fr
  • FR753160A - Heating device for automobiles : en fr
  • FR753366A - Device for the manufacture of felt webs of spun glass or similar materials : en fr
  • DE585611C - Container for storing and removing surgical sewing threads : de en
  • DK47861C - Electric Fluorescent Tube. : da en
  • US1929439A - Machine for facing flanges : en
  • DE585888C - Arc protection device made from ears attached to the ends of insulator chains : de en
  • US1930133A - Decolorizing process : en
  • DE585591C - Self-release for photographic lens shutters : de en
  • US1929982A - Safety razor : en
  • US1930257A - Preparation of beverages : en
  • FR753291A - Support for displaying goods : en fr
  • CA336253A - Roller bearing : en fr
  • DE585904C - Process for removing carbon from refractory rare metals : de en
  • GB400218A - Improvements in or relating to means for drawing and suspending curtains and the like : en
  • DE585949C - Device for cleaning letterpress forms and rollers : de en
  • GB399578A - Method and apparatus for veneering : en
  • DE585980C - Signaling device for sea and air traffic : de en
  • DE585711C - Process for moistening ground material : de en
  • FR753189A - Manufacturing process for products intended to increase capillary power : en fr
  • CH164515A - Electrical equipment for household sewing machines. : de en
  • FR753327A - Wheel for automobiles and other cars : en fr
  • FR753398A - Electric reversing switch : en fr
  • GB399681A - Improvements in installations for transferring heat or cold from a source to an exchange surface, such as a floor or wall : en
  • FI15476A - Fog for the brand and type : en fi
  • GB399661A - Improvements in and relating to the manufacture of cigar fillers : en
  • US1930024A - Cement lath : en
  • CH164551A - Resistant wax-water-oil emulsion that can be used as a floor polish, shoe polish and the like. : de en
  • US1930198A - Supercharging of internal combustion engines : en
  • FI15520A - Match cutting machine : en fi
  • FR753391A - Automatic pilot devices for gas stoves : en fr
  • GB399610A - Improvements in bicycle chain lubrication : en
  • CA336345A - Draft rigging : en fr
  • FR753301A - Method and device for printing sound recordings : en fr
  • US1929469A - Reel : en
  • US1930440A - Cervical splint : en
  • GB399825A - Toy railroad tracks : en
  • US1930230A - Process of producing cellulose acetate yarns and product thereof : en
  • USD90829S - Design for a service station : en
  • GB399835A - Improvements in or relating to water heated hot cupboards, dinner wagons and the like : en
  • US1930281A - Implement for playing an improved game of skill : en
  • US1929631A - Clock : en
  • FR753373A - Process for the manufacture of electric resistances and products obtained by this process : en fr
  • GB399663A - Improvements in searchlights with the reflecting surface formed with curved metallicplates : en
  • US1929585A - Portable tool attachment : en
  • GB399801A - Improvements in or relating to the construction of pistons : en
  • US1929652A - Cash register : en
  • US1930020A - Grip guard for ice cream dippers : en
  • US1930350A - Method of making tetrachlorethylene and hexachlorethane : en
  • DE585845C - Procedure for the operation of unmanned signal buoys : de en
  • FR753251A - Use of solutions containing pectic products, as quench liquids for quenching steel and similar alloys : en fr
  • FR753200A - Method of execution of foundations by stacked piles with fitting : en fr
  • CA336211A - Luminescent tube applying device : en fr
  • FR753224A - Steam boiler : en fr
  • FR753376A - Tobacco leaf threading machine : en fr
  • AT134828B - Machine parts that work at elevated temperatures and are exposed to strong temperature fluctuations made of steels containing chromium, molybdenum and possibly nickel. : de en
  • FR753277A - Trigger coupling device for shotguns and shotguns with application : en fr
  • AT134825B - Sewing awl. : de en
  • CH164683A - Composite business machine. : de en
  • GB399563A - Improvements in and relating to method of and apparatus for the manufacture of wire mesh fabric : en
  • GB399705A - Forging machine : en
  • US1929511A - Vessel for containing' fluids under pressure : en
  • US1929438A - Method of extracting phenols and the like : en
  • US1929963A - Typewriter : en
  • CA336320A - Air brake valve : en fr
  • CH164500A - Toilet seat. : de en
  • CA336293A - Temperature recording device : en fr
  • DE585959C - Wall bracket, especially for hall wardrobes : de en
  • GB399669A - Improvements in illuminated signs : en
  • US1929722A - Electric valve converting apparatus : en
  • US1930090A - Gaseous electric discharge device : en
  • US1930136A - Cellulose organic ester composition containing alpha cyclic acetate : en
  • US1929818A - Plurality part side drop truck platform : en
  • US1930310A - Resilient mounting unit : en
  • CH164600A - Process for creating tight seams on lead pipes produced on presses with split lead flows. : de en
  • US1929882A - Paint spray : en
  • CA336322A - Semi-automatic telephone system : en fr
  • FR753326A - Electrical circuit control device : en fr
  • US1929814A - Feed tripping mechanism for drilling machines : en
  • US1930357A - Air cleaner : en
  • US1930448A - Coagulation of colloidal solutions : en
  • FR753329A - Calculating device for determining the average speed of vehicles : en fr
  • AT134942B - Means for generating two or more than two delays of a pulse by means of discharge tubes. : de en
  • AT134945B - Pull and push magnet. : de en
  • CH164633A - Spray nozzle for refrigerator for connection to the water pipe. : de en
  • CH164594A - Hard metal alloy. : de en
  • AT134917B - Protective device for multi-phase circuits. : de en
  • CA336347A - Sheet delivery apparatus : en fr
  • US1929602A - Display rack : en
  • US1930124A - By-product recovery process and apparatus : en
  • US1930241A - Washing machine : en
  • US1929747A - Clothes washing machine : en
  • US1929827A - Oil well pump : en
  • CA336254A - Washing machine : en fr
  • CH164467A - Methods for combating scale and blood lice, especially the San José scale insect. : de en
  • US1929839A - Belting suitable for driving machines : en
  • US1930080A - Parallel picker motion for looms : en
  • US1930327A - Composite silica article and method of fabricating same : en
  • FI15522A - Förfaringssätt vid torkning av trävirke i varmluftkanal eller likartad anläggning : en fi
  • DE585808C - Blast furnace with a filling shaft open at the bottom : de en
  • FR753221A - Single axle trailer, especially for motor vehicles : en fr
  • DE585714C - Method for creating an optical depth effect : de en
  • US1929504A - Carpenter's plane : en
  • US1929523A - Refrigerating control means : en
  • US1929526A - Rectifying tube with glow discharge : en
  • US1929854A - Coupling : en
  • US1930261A - Slack adjuster : en
  • GB400580A - Improvements in the production of valuable products from liquid or liquefiable hydrocarbons containing aromatic substances : en
  • GB399670A - Improvements in and connected with metal working lathes : en
  • US1929485A - Apparatus for the transmission at alpha distance of graphics : en
  • US1929879A - Telegraph correction system : en
  • US1930259A - Machine to pierce and countersink forty holes in alpha wheel rim : en
  • US1929740A - Slot and slug for check controlled apparatus : en
  • CH164572A - Children's vehicle. : de en
  • US1929565A - Electric valve converting apparatus : en
  • US1930177A - Carpenter's clamp : en
  • US1930363A - Jack : en
  • CH164581A - Calculator. : en fr
  • DE584182C - Double nut for additional radial locking : de en
  • GB399561A - Improvements in or connected with galvanic batteries : en
  • US1929934A - Wax treatment : en
  • USD90853S - Design for a neckpiece for a woman s : en
  • GB399525A - Improvements in or relating to the securing together of parts of shoes by adhesive : en
  • US1929952A - Cooling units for refrigeration purposes and method of making same : en
  • US1930305A - Electrical terminal device : en
  • US1930328A - Sound reproducing diaphragm : en
  • US1929416A - Creeping traction : en
  • CA336214A - Folding table : en fr
  • CH164595A - Gold and silver extraction process. : en fr
  • DE585833C - Internal clamping device for processing thin-walled, especially round hollow bodies : de en
  • DE586026C - Procedure for determining the quantitative proportions of the individual grain sizes in the total amount of dust in air or gases : de en
  • US1929896A - Method and apparatus for applying fluid materials to moving surfaces : en
  • AT134901B - Arrangement for heating hot cathodes in gas discharge vessels. : de en
  • US1929708A - Handle securing means for valves : en
  • US1929965A - Mail box signal : en
  • US1930030A - Reenforce attachment for stockings : en
  • US1930330A - Apparatus for cutting web material : en
  • FR753167A - Method for making photographic sound recordings on films : en fr
  • GB399553A - Improvements in or relating to the manufacture of blasting explosives : en
  • GB400182A - Improvements in or relating to bearing surfaces : en
  • US1930012A - Water closet : en
  • AT134885B - Washer-dryer and spin-dryer. : de en
  • US1929468A - Card holder : en
  • US1929822A - Playground apparatus : en
  • US1929850A - Tractor wheel : en
  • US1930060A - Stream regulator : en
  • US1930414A - Refrigerating apparatus : en
  • CH164643A - Strip-shaped contact element. : de en
  • CH164677A - Surgical syringe. : de en
  • CH164682A - Curler with protector for hair curl. : en fr
  • CH164602A - Jig drilling machine. : de en
  • US1929466A - Method of making silver thiosulphate : en
  • US1929647A - Die stock : en
  • USD90832S - Design fob a bolster for flatware : en
  • US1929969A - Mechanical pencil : en
  • FR753159A - Self-regulating charge of fixed or mobile buffer batteries to obtain additional power from the generator : en fr
  • FR753351A - Coffin refinements : en fr
  • US1929936A - Vaporizer for refrigerating apparatus : en
  • US1930287A - Method of compressing powdered materials : en
  • US1930361A - Contractible and expansible well packer : en
  • DE585561C - Creasing device for sewing machines : de en
  • DE550318C - Holder for searchlight : de en
  • DE585837C - Switching device for gear change transmissions of motor vehicles : de en
  • DE585868C - Inking unit for rotogravure printing machines : de en
  • US1929401A - Expansion joint : en
  • GB399584A - Improved electrode holder for use in electric arc welding : en
  • GB399845A - Improvements in and relating to the balancing of rotating members : en
  • AT134832B - Heat-resistant chrome-aluminum-silicon-iron alloys. : de en
  • CH164612A - Hinge whose articulation axis is immobilized longitudinally. : en fr
  • AT134862B - Sheet pile wall element and process for its manufacture. : de en
  • CH164585A - Projection device with automatic picture changing device. : de en
  • DE585872C - Process for the production of vessels, in particular heat exchange apparatus : de en
  • DE585733C - Tool for rolling out dented fenders : de en
  • DE585930C - Air gap : de en
  • DE585984C - Spool frame for double plus looms : de en
  • AT134902B - Type-printed telegraph receivers with types combined in a plurality of groups. : de en
  • CH164689A - Attachment for radio receivers to increase the selectivity. : de en
  • US1929851A - Adjusting means for timing chains of automobiles : en
  • US1930428A - Fuse box : en
  • AT134894B - Transmission. : de en
  • AT134815B - Numbering stamp with several type wheels lying next to each other on the same axis. : de en
  • AT134816B - Ink pad. : de en
  • CA336336A - Dimmer switch : en fr
  • US1929432A - Method of making paper and similar products : en
  • US1929915A - Method of and apparatus for removing alpha covering from alpha core : en
  • US1930239A - Elevator system : en
  • US1929465A - Atomizer : en
  • US1930224A - Bucket trap : en
  • US1930378A - Baby's safety strap and harness : en
  • US1930427A - Roof : en
  • CH164623A - Turbine for elastic propellants. : de en
  • US1929614A - Temporary binder : en
  • US1930098A - Spring device for drilling machines : en
  • US1930127A - Circuit for gaseous electric discharge devices : en
  • AT134804B - Device for measuring the width of boards and counting the number of boards by width. : de en
  • CH164541A - Process for obtaining the optically active component of carotene, a starting material intended for the production of compounds of the vitamin A type. : de en
  • CH164738A - Process for the production of a new azo dye. : de en
  • GB399664A - Improvements in tramway and railway overhead conductor supports : en
  • CH164627A - Pinion starter. : de en
  • DE585774C - Device for preventing ram strikes in pressurized pipes : de en
  • FR753261A - Sprayer improvements : en fr
  • GB399659A - Improvements in humidifying attachments for heating radiators : en
  • CA336234A - Hosiery : en fr
  • CH164480A - Backflow prevention device on gas-heated devices. : de en
  • CH164695A - Dust jacket for banknotes. : de en
  • US1929430A - Container : en
  • US1929461A - Pressure release for wringers : en
  • US1929635A - Steam joint : en
  • US1930364A - Container closure : en
  • US1929457A - Rock drill : en
  • US1930137A - Apparatus for varying illumination : en
  • DE585805C - Steel broom : de en
  • US1929527A - Flood-gate for culverts : en
  • US1930266A - Sorting machine : en
  • US1930332A - Indicating fuse plug : en
  • DE585891C - Arrangement for swing-free voltage regulation of AC power lines by means of compensation devices : de en
  • AT134899B - Securing of rotatable bolts, in particular piston bolts, against axial displacement. : de en
  • DE584697C - Roll-up device for dough pieces : de en
  • GB399593A - Improvements in and relating to sand blasting machines : en
  • US1930318A - Distributing conveyer : en
  • US1929414A - Combined valve and piston : en
  • US1929847A - Production of condensation products of 1.5-dihalogen anthraquinones : en
  • US1929428A - Explosion turbine plant : en
  • DE585816C - Process for the production of alkali beryllium borate glasses : de en
  • US1929813A - Pump : en
  • US1930185A - Process of treatment of chicory : en
  • US1930145A - Method for making acetone soluble cellulose acetate with aldehyde : en
  • AT134936B - Circuit arrangement for call devices from branch points located on a common line. : de en
  • US1930032A - Brake operating mechanism : en
  • US1929520A - Desuperheater : en
  • US1930135A - Cellulose organic ester composition containing alpha lower alkyl ester of alpha substituted benzoic acid : en
  • AT134910B - Return barrel gun with automatically adjustable flow limitation. : de en
  • CH164592A - Time pulse generator on master clocks for the operation of electrically remote-controlled slave clocks. : de en
  • AT134935B - Device for the recovery of energy in a power distribution system fed from an alternating current source by vacuum arc apparatus. : de en
  • DE585668C - Heat exchangers, the surfaces of which are assigned to the individual heat carriers and are almost inversely different from each other than the heat transfer numbers : de en
  • GB399859A - Process and apparatus for the production of coke and gas in intermittently operated chambers : en
  • DE586010C - Fan : de en
  • US1930264A - Electric current interrupter : en
  • USD90836S - Design for a textile fabric or : en
  • US1930385A - Picker stick for looms : en
  • US1930447A - Manifolding machine : en
  • CH164527A - Pattern sheet. : de en
  • DE585896C - Gas-tight insulating bushing, especially for electric vacuum ovens : de en
  • AU942032A - An improved harvester : en
  • AT134824B - Drop flap relay. : de en
  • CA336237A - Sewage conditioning method : en fr
  • US1929694A - Means for draining oil from crank cases : en
  • US1930362A - Talking film : en
  • US1929564A - Pump for delivering measured quantities of liquid : en
  • US1930175A - Telephone anchor and pad holder : en
  • US1930245A - Stop motion mechanism : en
  • DE585771C - Cigar cutter as a wall device : de en
  • DE585749C - Telephone receivers for use in noisy environments : de en
  • CA336238A - Key hole saw : en fr
  • CH164468A - Reed formwork. : de en
  • US1929584A - Bath device for bird cages and the like : en
  • US1929549A - Work-presenting device for marking machines : en
  • US1930234A - Refrigerator tray or drawer : en
  • AT134881B - Automatic feed control device for spinning machines. : de en
  • CH164681A - Liquid container. : de en
  • US1930429A - Process of producing wax carbon spots on sheets of paper by impression on an ordinary printing press : en
  • USD90838S - Design for a bag or analogous : en
  • GB399678A - Means for cooling railway or other refrigerated vehicles : en
  • GB399733A - Improvements relating to the manufacture of gum-inhibited motor fuels : en
  • US1929961A - Hand scudding beam : en
  • US1929627A - Support and adjustment for speaking movie sound lens combination : en
  • US1930355A - Orthopedic boot or shoe : en
  • DE585964C - Barrel weight scale : de en
  • US1929942A - Method of preparing aluminum oxide gel : en
  • CH164665A - Burner. : en fr
  • CH164737A - Process for the preparation of a halogen derivative of 2-aminonaphthalene-1-sulfonic acid. : de en
  • FR753157A - Electric massage device : en fr
  • GB399596A - A new or improved brush or massage device : en
  • US1930423A - Carburetor : en
  • US1929460A - Art of making receptacles : en
  • US1930009A - Printing plate base : en
  • US1930110A - Process for the production of fluorescent or phosphorescent substances : en
  • CH164615A - Thermal insulation, in particular for boilers, pipelines and the like. : de en
  • AT134829B - Electromagnetic drive for signals. : de en
  • DE585765C - Scroll saw : de en
  • US1929848A - Cleaning implement : en
  • DE585986C - Process for the preparation of a basic aluminum salt of acetylsalicylic acid : de en
  • US1929678A - Sleeve twister : en
  • CH164477A - Concrete road. : de en
  • US1930383A - Glass grinding and polishing machine : en
  • US1930039A - Pressure gauge : en
  • US1930294A - Pumping system for grease : en
  • AT134908B - Device for registering changes in volume and condition of animal and human organs. : de en
  • AT134924B - Control device with three-electrode tubes. : de en
  • CA336261A - Water pump packing : en fr
  • CH164587A - Portable watch with automatic winding mechanism. : en fr
  • DE585851C - Device for suppressing the muzzle flash, especially with small-caliber firearms : de en
  • DE585889C - Fastening the fork connectors of armature windings in electrical machines : de en
  • US1929406A - Meter : en
  • US1929496A - Centrifugal force pump : en
  • US1929810A - Glass grinding machine : en
  • US1930045A - Combustion apparatus : en
  • DE585812C - Electric incandescent lamp socket with cylindrical socket casing and cylindrical built-in module with switch device : de en
  • DE573615C - Device for pasteurizing milk : de en
  • US1930148A - Gaseous electric discharge device : en
  • US1930313A - Automatic lubricating device : en
  • DE585556C - Sewing machine with feed bowls : de en
  • US1930066A - Envelope opening means : en
  • CA336281A - Electric glow discharge tube : en fr
  • US1929873A - Support and package for dispensing : en
  • AT134911B - Drain cock without a stuffing box. : de en
  • CA336340A - Fuel atomizing system : en fr
  • CA336346A - Draft rigging : en fr
  • CH164668A - Saliva ejector for dental purposes. : de en
  • US1929505A - Babbitting machine : en
  • US1929860A - Process of producing fuel briquettes : en
  • CH164493A - Device for treating floors and floor coverings. : de en
  • CH164598A - Cold roll. : de en
  • CH164575A - Device for measuring the thickness and evenness of individual fibers, fiber bundles and thread-like structures. : de en
  • FR753389A - Improvement in electrical resistances : en fr
  • GB399688A - Improvements in or relating to methods of manufacturing tires and the improved tire resulting therefrom : en
  • FR42758E - Folding umbrella for bag or pocket : en fr
  • GB399657A - A new or improved device for securing the stales to brushes and the like : en
  • US1929499A - Aqueous dispersions of rubber : en
  • DE585790C - Scissor-shaped weaving fork : de en
  • FR42776E - Process and devices for the preparation with or without pressure of gaseous substances such as, for example, hydrogen : en fr
  • DE585911C - Starter for internal combustion engines operated with compressed air or compressed gas : de en
  • GB399822A - Improvements in processes and apparatus for the manufacture of artificial filaments and like materials : en
  • DE585656C - Sheet metal component executed as a hollow body : de en
  • DE585989C - Level meter with cross-coil instrument : de en
  • GB399579A - Improvements in or relating to high frequency oscillators : en
  • GB399569A - Method of melting finely divided scrap metal of the nature of borings and turnings : en
  • FR753265A - Water repellent product and its manufacturing process : en fr
  • GB399614A - Improvements, in or relating to apparatus for testing of articles by compression : en
  • FR753194A - Improvements to extinguisher equipment : en fr
  • GB399612A - A universally adjustable valve seat cutter and valve re-seating tool for inclined or vertical valves of internal combustion engines from 1 to 2 diameter : en
  • GB399626A - Improvements in or relating to inverted incandescent gas burners : en
  • DK47860C - Electric Lighting Device. : da en
  • GB399816A - Improvements in or relating to the manufacture of aqueous finishings and body colours : en
  • FR753196A - Improvements to extinguishers : en fr
  • US1929479A - Gate latch : en
  • US1929756A - Front end lift and support for semitrailer vehicles : en
  • US1930094A - Electric switch : en
  • DK47851C - Oil burner. : da en
  • FR753165A - Silo pit with emptying device : en fr
  • US1929409A - Vehicle control arrangement : en
  • DE585654C - Arrangement for the elimination of the disturbances in telecommunication systems caused by circuits with earthed return line and with supply by rectifiers or other producers of direct current with superimposed alternating current : de en
  • AT134932B - Amplifier tube. : de en
  • US1929405A - Water softening apparatus : en
  • USD90834S - Design for a shoe sole : en
  • FR753164A - System facilitating the lifting of an automobile wheel : en fr
  • US1929423A - Releasing clamp : en
  • US1930162A - Bottle and cap therefor : en
  • USD90863S - Design for a composite unit mount : en
  • US1929699A - Audion valve structure : en
  • US1930069A - Plastic material containing derivatives of cellulose : en
  • US1930078A - Web roll truck : en
  • DE585770C - Process for influencing the ferromagnetic properties of ferromagnetic substances : de en
  • US1930293A - Pump : en
  • AT134933B - Circuit arrangement for company lines. : de en
  • CA336331A - Cement : en fr
  • US1930042A - Casement sash with concealed shades : en
  • US1930232A - Coloration of materials : en
  • USD90844S - Design for a chandelier : en
  • US1929824A - Press plate or the like and method of making the same : en
  • US1930070A - Electric discharge tube : en
  • CH164476A - Process for erecting vaults and vaults produced by this process. : de en
  • US1930036A - Process of decorating webs of material : en
  • AT134852B - Device for the automatic and continuous production of a certain mixing ratio of substances of different consistencies. : de en
  • CH164746A - Ankle bandage. : de en
  • DE585251C - Electric overhead cable : de en
  • CA336222A - Cellulose product manufacture : en fr
  • CH164478A - Process and device for hot water heating with intermittent water circulation. : de en
  • DE585920C - Process for hardening photographic layers, in particular photographic gelatin layers : de en
  • DE585418C - Method of mixing raw peat and peat dust : de en
  • DE585605C - Equipment for the protection of electrical machines and apparatus : de en
  • US1929821A - Dewaxing hydrocarbon oil : en
  • US1929960A - Abrading machine : en
  • US1930154A - Cable connection : en
  • DE585969C - Wing : de en
  • FR42779E - Process for improving the resistance of absorbent carbon to chemical reagents : en fr
  • US1930061A - Cap closure : en
  • GB399741A - Improvements in and relating to electric water heaters : en
  • DE585847C - Torpedo launcher : de en
  • GB399654A - Improvements in or relating to television : en
  • CA336295A - Time indicating mechanism : en fr
  • CH164735A - Process for the preparation of a new sulfonic acid. : de en
  • AT134861B - Telecommunication and remote control system. : de en
  • FR753244A - Retractable handle for washing machines and all steering wheels : en fr
  • FI15525A - Tinsmith's handwriting : en fi
  • CH164538A - Process for removing iron from acidic chromium salt solutions. : de en
  • DE585769C - Process for the chlorination of tin-containing starting materials : de en
  • GB399684A - Improvements in and relating to methods of manufacturing road surfaces : en
  • US1929663A - Balanced yoke drive for locomotives : en
  • US1929967A - Size determining mechanism for automatic machines : en
  • US1930433A - Line space lock release mechanism : en
  • CA336352A - Shoe trimming machine : en fr
  • CA336323A - Automatic telephone system : en fr
  • FR753201A - Apparatus for tightening bundles, bundles or others, before tying them : en fr
  • AT134847B - Arrangement for the reproduction of optical sound films. : de en
  • DK47849C - Steering mechanism for air brake systems for automobiles, trailers, railcars and other vehicles. : da en
  • FR753298A - Combined capacitor holder : en fr
  • GB399742A - Improvements in a binder for magazines, pamphlets and other publications : en
  • CA336217A - Textile roving condensing or reducing device : en fr
  • FR753241A - Power supply device for internal combustion engines for fuel economy : en fr
  • US1929637A - Internal combustion engine : en
  • US1929856A - Apparatus for producing animal food : en
  • US1930358A - Apparatus for painting circular ornaments on walls, ceilings, and the like : en
  • US1929832A - Suction cleaner : en
  • US1929525A - Intercentric gauge : en
  • US1929785A - Personal hygiene cabinet : en
  • US1930142A - Cellulose ester composition : en
  • US1929806A - Band saw guide : en
  • CA336232A - Fish lure : en fr
  • CH164613A - Device for protecting cigarettes in so-called Maryland packs. : de en
  • AT134898B - Heatable spark plug. : de en
  • US1929676A - Refrigerator car : en
  • US1930082A - Gyroscopic compass : en
  • US1930047A - Limit switch : en
  • US1930072A - Automotive transmission : en
  • US1930202A - Web control : en
  • CH164661A - Lighting device. : en fr
  • US1930141A - Method of obtaining images of two different contrasts on alpha single film with alpha single development : en
  • US1930411A - Manufacture of crystalline menthol : en
  • DE585819C - Carriage pusher : de en
  • FR753319A - Spring wheel for rail vehicles : en fr
  • US1930229A - Artificial bristles and process of making the same : en
  • DE585932C - Blocking of a dispensing and measuring device : de en
  • AT134882B - Feather pen. : de en
  • AT134895B - Starting device for internal combustion engines. : de en
  • US1929991A - Sound deadening housing for typewriters : en
  • US1930073A - Shuttle truing machine : en
  • US1930417A - Expanding brake : en
  • US1929718A - Slicing machine : en
  • US1929842A - Apparatus for the manufacture of glass containers : en
  • CH164743A - Lead holder. : de en
  • FR753371A - Trellis connection : en fr
  • US1929758A - Automatic draft regulator : en
  • US1929532A - Adjustable boiler superheater : en
  • US1930178A - Composition for printing or graining : en
  • US1930207A - Road vehicle construction : en
  • AU983632A - Improvements relating to electric boiling or hotplates : en
  • CH164584A - Dynamic speaker. : de en
  • CH164523A - Apparatus for causing periodic over-washing of materials with a liquid. : de en
  • CA336306A - Heat transmission : en fr
  • CH164588A - Self-winding wristwatch. : en fr
  • US1929975A - Repeat mechanism for typewriters : en
  • AT134878B - Rotary brush. : de en
  • CH164507A - Innovation in closed metal containers, such as tin cans. : de en
  • CH164611A - Engraving machine. : de en
  • US1929820A - Extension table : en
  • FI15494A - Elektrisk apparat för ljusreklamer, skyltar och dylikt : en fi
  • US1929472A - Printing device : en
  • AT134868B - Car headlights. : de en
  • US1930055A - Tapered door and gate : en
  • US1929598A - Keyless lock : en
  • US1930084A - Starting apparatus for electric discharge devices : en
  • DE585883C - speaker : de en
  • GB399836A - Improvements in or relating to boot or shoe upper conforming machines : en
  • US1929764A - Lubricating means : en
  • US1930223A - Furniture glider : en
  • DE585977C - Speed adjustment device for centrifugal pendulum controller : de en
  • FR753342A - Method and device for editing, sound reinforcement and dubbing of sound films : en fr
  • AU1084533A - Improvements relating togas heated heating apparatus ofthe radiator type : en
  • US1929837A - Carpet stretcher : en
  • US1929783A - Painting instrument : en
  • USD90833S - Design for a flexible pocket : en
  • AT134839B - Device for improving the capacitance symmetry of multi-core cables. : de en
  • AT134950B - Electrical system with consumers that are sensitive to voltage fluctuations. : de en
  • CH164470A - Sliding window. : de en
  • CH164618A - Gear switch. : en fr
  • DE585885C - Cooling device for airtight lockable cable impregnation vessels : de en
  • US1929478A - Floor slab : en
  • US1929613A - Grinding machine guide block : en
  • US1929765A - Lubricating apparatus : en
  • US1930079A - Drawing in frame : en
  • US1930300A - Display container : en
  • US1929518A - System for exhibiting sound motion pictures : en
  • US1929522A - Valve mechanism : en
  • CH164676A - Ointment dispenser. : de en
  • CA336205A - Bed-spring rest : en fr
  • CH164740A - Process for the production of a new azo dye. : de en
  • AT134858B - Illuminated advertising device, in particular for interiors. : de en
  • US1929449A - Work sheet guiding means : en
  • US1929675A - Method of disposing of refinery wastes : en
  • US1929798A - Pie ventilator : en
  • US1929853A - Azo dyestuff : en
  • US1929990A - Rectilinear induction motor : en
  • US1930058A - Automatic key operating mechanism for embossing machines and the like : en
  • CA336360A - Substation circuit : en fr
  • US1929878A - Microray wavemeter : en
  • US1929855A - Bottle cap remover : en
  • DE585655C - Electric gas discharge tubes for luminous and ultraviolet radiation purposes with hot electrodes activated to high electron emission : de en
  • AT134921B - AC motor with armature oscillating synchronously in the field. : de en
  • AT134890B - Circulating lubrication device. : de en
  • US1930445A - Price sign : en
  • US1929609A - Mop cleaner : en
  • US1930321A - Spool display device : en
  • CA336353A - Sewing machine : en fr
  • CH164617A - Pressure reducing device for gases, especially for carbonated dispensing devices. : de en
  • CA336268A - Dichromate manufacture : en fr
  • US1929575A - Air brake : en
  • US1929766A - Paper-feeding machine : en
  • US1930051A - Treatment of rubber : en
  • US1929546A - Tumbling mill : en
  • US1929641A - Windlass : en
  • US1929655A - Oxidation resistant bimetal : en
  • CH164505A - Cooking attachments, in particular for electric cookers. : de en
  • CA336333A - Indicating fuse : en fr
  • DE585836C - Facility for milk treatment : de en
  • DK47864C - Footwear sewing machine. : da en
  • AT134937B - Circuit arrangement for telephone systems. : de en
  • AU105315B2 - Improvements in plasticised polyvinyl acetal resins : en
  • CA336329A - Truss pad : en fr
  • AT134892B - Fuel supply to internal combustion engines with working cylinders arranged in a star shape. : de en
  • US1929464A - Closure for radiator necks and the like : en
  • US1930218A - Guarded fruit box : en
  • AT134920B - Synchronous motor, especially for driving record speaking machines. : de en
  • US1929500A - Refrigerator car : en
  • US1929713A - Apparatus for roasting zinc ores : en
  • US1929660A - Method of making alpha road tool : en
  • US1929677A - Dual rotary kitchen cabinet : en
  • US1929838A - Scythe : en
  • CH164483A - Method and device for the production of reinforced socket pipes from cement material. : de en
  • DE585910C - Heating device for the cooling water circuit of internal combustion engines : de en
  • GB400174A - Improvements in clutch : en
  • DE585796C - Electric soldering device : de en
  • FR753361A - Spraying device for liquid fuel burners : en fr
  • GB399607A - Improvements in or relating to aircraft propellers : en
  • CH164571A - Note tables. : en fr
  • US1929823A - Impeller : en
  • US1930392A - Process for eliminating gases from viscose silk cakes or cheeses : en
  • US1930444A - Switch mounting bracket : en
  • US1929628A - Lubricating device : en
  • US1930442A - Process for making combustible gas : en
  • AT134872B - Hand flat knitting machine for the production of colored patterns and stitch patterns. : de en
  • DE586001C - Flexible high current connector for electrical machines : de en
  • CA336267A - Coal stoker : en fr
  • CH164714A - Electric lighting device with light dimming for bicycles. : de en
  • FR753286A - Universal filter for ordinary tap and giving filtered or running water at will : en fr
  • FR753360A - Method for obtaining a horizontal divergence of the light rays emitted by lighting projectors : en fr
  • GB399725A - Process for the treatment of fibrous cellulosic materials : en
  • US1929727A - Electric valve converting system : en
  • US1930304A - Shoe last : en
  • CA336366A - Artificial straw : en fr
  • CH164635A - Device for precise adjustment of the brush pitch on the collector circumference of electrical machines. : de en
  • DE585803C - Brush for applying creams, oils, fats, pastes etc. like : de en
  • GB399780A - Device for changing the paper bobbins in continuous rod cigarette making machines : en
  • US1929654A - Mercerizing liquor : en
  • US1930083A - Starting apparatus for electric discharge devices : en
  • CH164725A - Flying machine for horizontal and vertical flight. : de en
  • US1929831A - Composite piston : en
  • US1929876A - Vat dyestuffs of the anthraquinone naphthacridone series and process of making them : en
  • US1929782A - Clutch : en
  • US1930187A - Riveting anchor for fastening sheef metal : en
  • AU944732A - Improvements in and relating toa method of and means for assembling mechanism to churn barrel or like ends : en
  • SE78618C1 - : sv
  • CA336327A - Current collector : en fr
  • AT134853B - Process for the manufacture of oxide cathodes. : de en
  • DE585610C - Thread tensioning device for knitting machines : de en
  • DE585860C - Cooling device with ejector device for machine guns : de en
  • GB399785A - Turbo-electric propulsion for ships : en
  • CH164603A - Jig drilling machine. : de en
  • CH164651A - Arrangement for regulating the frequency of self-excited inverters. : de en
  • CH164679A - Perfume squirt bottle. : de en
  • CH164558A - Method for the mechanical severing of the spine material and the threads of endlessly connected books in book stitching machines. : de en
  • US1929547A - Electric outlet molding : en
  • US1929811A - Carton cover : en
  • US1930217A - Label : en
  • US1930104A - Paper making machine : en
  • US1930451A - Metal joint : en
  • AT134886B - Method of patterning fabrics. : de en
  • CH164653A - Electric discharge tube with indirectly heated cathode. : de en
  • DE585133C - Mobile container with swiveling wheels : de en
  • GB399620A - Improvements in or relating to servo clutch operating systems for motor vehicles : en
  • US1929721A - Electric valve converting apparatus : en
  • AT134871B - Machine for the production of reinforcement inserts. : de en
  • US1929981A - Type-bar rest for typewriters : en
  • US1929541A - Artificial hand : en
  • CA336207A - Froth production : en fr
  • CH164582A - Method and apparatus for the photographic registration of sound waves on a sound carrier. : de en
  • US1930196A - Saliva ejector rest : en
  • GB399687A - Improvements in the production of inert gas : en
  • AU1470633A - Improvements in or relating to method of manufacturing glowing members consisting of refractory metal : en
  • CA336216A - Clutch and transmission mechanism : en fr
  • CH164482A - Liquid heater. : de en
  • CH164546A - Process for the production of a new azo dye. : de en
  • DE585862C - Contact device for the transmission of electrical energy in the projectile fuse : de en
  • GB400192A - Improvements in and relating to apparatus for filing letters, papers and the like : en
  • CH164583A - Device for transforming electric oscillations into sound vibrations or vice versa. : en fr
  • FR753245A - Machine for piercing and threading oyster shells and the like : en fr
  • FR753315A - Footwear manufacturing process and resulting new industrial product : en fr
  • CH164732A - Process for the preparation of a new sulfonic acid. : de en
  • CH164670A - Packaging for dental amalgam. : de en fr
  • CH164733A - Process for the preparation of a new sulfonic acid. : de en
  • DK47850C - Razor. : da en
  • DE585607C - Circuit arrangement for keeping constant a voltage obtained from an alternating current network fluctuating voltage : de en
  • CA336304A - Thermal insulator : en fr
  • FR753274A - Automatic switch or installation maximum circuit breaker, with push-button control : en fr
  • DE585609C - Process for the catalytic cracking of hydrocarbon oils : de en
  • US1929446A - Resistance device : en
  • US1929770A - Device for manufacturing liquid containers : en
  • US1930379A - Door hanger for box cars or the like : en
  • US1929638A - Apparatus for automatically flushing sewers : en
  • US1929776A - Telephone booth : en
  • CA336303A - Hoist mechanism : en fr
  • CH164589A - Fixing for aperture watch crystal. : en fr
  • US1929417A - Fair lead for excavators : en
  • US1929723A - Electric valve converting apparatus : en
  • DE585810C - Machine for soldering the pole pieces to the cups of drying elements : de en
  • AT134870B - Press, especially for ties. : de en
  • CA336262A - Ladder sway brace : en fr
  • DE585596C - Water decomposer of the filter press type : de en
  • DE585766C - Method for producing a plastic mass : de en
  • FI15496A - Refunds and anchoring for cellulose and fats : en fi
  • CH164693A - Electrical switch device. : en fr
  • CH164577A - Room temperature controller. : de en
  • US1929552A - Electrical circuit controlling device with minimum time delay element : en
  • US1930253A - Accounting means : en
  • CH164650A - Safety device for electric fluorescent tubes operated on transformers. : de en
  • DE585367C - Belt sintering or rusting device : de en
  • DE585908C - Electric cattle gun : de en
  • US1929486A - Dyeing oxidized aluminum : en
  • CH164566A - Process for the production of layer supports having a color raster for natural-colored cinema films and natural-colored photographs that act in transparency and in supervision. : de en
  • US1929742A - Forming fully rounded corners on sheet metal furniture : en
  • DE585747C - Condenser speakers : de en
  • FI15523A - Shelf life : en fi
  • CA336247A - Liquid separator : en fr
  • US1929983A - Cell-enclosed electric switch and disconnecting switch therefor : en
  • CH164576A - Spirit level. : de en
  • CH164731A - Process for the preparation of a new sulfonic acid. : de en
  • DE585403C - Device for introducing coal into continuously operated vertical furnaces : de en
  • DE585864C - Device for making detonator combs from a continuous band : de en
  • GB399580A - Improvements in or relating to means for facilitating reference to and reading of books and the like : en
  • AT134866B - Cross-field DC machine with series excitation and adjustable short-circuit current strength. : de en
  • GB399744A - Improvements in alternating current frequency changers employing grid-controlled discharge devices : en
  • FR753270A - Improvements to compressed air hammers : en fr
  • US1929877A - Apparatus for applying coatings to surfaces particularly to the surfaces of flexiblestrip material : en
  • FR42763E - Automatic brake linkage adjuster : en fr
  • FR42780E - Method and device for obtaining positive images that restore natural colors : en fr
  • CA336342A - Internal combustion engine : en fr
  • CH164599A - Instrument for the assembly and disassembly of mower blade sections. : en fr
  • FI15501A - Självsugande filter : en fi
  • US1929650A - Tube cleaner : en
  • US1930356A - Life guard : en
  • DE585434C - Lifting and lowering support device for electrical equipment : de en
  • FR753210A - Coupling of grid-controlled electrical discharge devices for the static transformation of electrical energy into alternating current : en fr
  • CA336362A - Aircraft : en fr
  • GB399732A - Improvements in cameras for taking instantaneous colour photographs : en
  • AT134811B - Process for the production of acetyl cellulose. : de en
  • US1929893A - Scoring machine : en
  • US1930449A - Amylbenzoic acid and process for preparing same : en
  • FI15474A - Sughuv : en fi
  • US1929563A - Apparatus for making wreaths : en
  • US1929849A - Comb : en
  • US1929998A - Compressor or pump : en
  • US1930319A - Friction clutch : en
  • FR753364A - Anticathode enhancements of x-ray bulbs : en fr
  • FR42800E - Improvements made to the manufacture, in the foundry, of thin surfaces or panels of large surface area : en fr
  • FI15466A - Förfaringssätt vid mattering av glasföremål : en fi
  • FR753171A - Device for the automatic and continuous purification of clays and all more or less plastic materials, which can be adapted to all types of propellant machines : en fr
  • GB399693A - Improvements in aircraft having rotative sustaining means : en
  • CH164473A - Fireplaces, in particular for residential buildings made of brick masonry. : de en
  • GB399643A - Improvements in alloy steel springs and spring blanks : en
  • GB399617A - Improvements in or relating to journal bearings for shafts and the like : en
  • CA336258A - Container closure : en fr
  • CA336290A - Electric pulsator for milking machines : en fr
  • US1929498A - Collapsible tube and cap retainer therefor : en
  • US1930273A - Gauge : en
  • DE585159C - Device for peat extraction by milling : de en
  • CH164644A - Plug-in contact device. : en fr
  • CH164678A - Head hair band. : de en
  • US1929790A - Stanchion locking mechanism : en
  • US1930299A - Envelope opening means : en
  • US1930339A - Amplifier : en
  • GB399671A - Improvements in and relating to the manufacture of paper bottles : en
  • US1929743A - Caster and the like : en
  • US1930225A - Refrigerating system : en
  • GB399530A - Improvements in or relating to swivel-couplings : en
  • GB399766A - Improved method of and apparatus for rolling strip metal : en
  • FI15463A - Sät att utvinna fett eller olja genom surgörande av naturliga råmaterial : en fi
  • FR42774E - Improvements in methods and devices for obtaining cables with multiple conductors, the latter having a section other than circular : en fr
  • FR753338A - : fr
  • DE585931C - Liquid tap : de en
  • FR42786E - Improvements in the preparation of chromates and dichromates : en fr
  • FR753293A - Improvements to depth regulators for automotive torpedoes : en fr
  • DE585971C - Method of preserving meat by freezing the meat in ice : de en
  • GB399748A - Improvements in or relating to steam-tight and water-tight doors for sterilizers and like apparatus : en
  • GB399782A - Improvements in the mounting of crankshafts of internal combustion engines : en
  • GB399834A - Improvements in stair carpet and like fasteners : en
  • DE585688C - Centrifugal casting device : de en
  • FR42762E - Improvement in support frames for metal heddles for looms : en fr
  • GB399849A - Improvements in or relating to transmissions, particularly for automobiles : en
  • GB399716A - Improvements in or relating to thermionic oscillation generators : en
  • GB399672A - Improved convertible divan seat and bed : en
  • GB399848A - Manufacture of higher alcohols from fats or fatty oils : en
  • FR753369A - Watertight door for coke oven : en fr
  • DE540206C - Process for utilizing nitrogen oxide from nitrosyl chloride : de en
  • FR42799E - Self-lubricating anti-friction product : en fr
  • DE585922C - Process for the production of reliefs, especially for suction printing, on photographic, isochromatic, colored layers : de en
  • US1930188A - Orthopedic brace : en
  • FR753207A - Carburetor for internal combustion engines using fuels other than gasoline : en fr
  • FR753320A - Magneto-thermal relay or circuit breaker with variable characteristics : en fr
  • DE585558C - Needle thread take-up device for lockstitch sewing machines : de en
  • US1929645A - Packing for gate valves and similar shutting-off elements : en
  • US1929670A - Control apparatus : en
  • US1930276A - Clutch throw-out bearing : en
  • US1929993A - Automatic washer : en
  • US1930093A - Electric switch : en
  • FR42770E - Improvements made to seals or warranty seals : en fr
  • AT134860B - Circuit for gas-electric vehicles. : de en
  • CH164619A - Lock for elevators. : en fr
  • DE585853C - Gun barrel with exchangeable, conical chuck : de en
  • FI15497A - Sätt för överförande av träflis till massa eller pulp : en fi
  • CA336256A - Argillaceous material processing : en fr
  • CA10113S - Combined stencil shheet and backing sheet : en
  • CH164494A - Equipment for brushing, sweeping, polishing, etc. : de en
  • CH164680A - Hair wave shaper. : de en
  • US1930303A - Electric valve converting system : en
  • US1929533A - Connecting device : en
  • US1930172A - Automatic friction clutch : en
  • US1930422A - Plant for preparing fodder from plants : en
  • CH164574A - Safety device to delay armament in the trajectory of inertia percussion inertia fuzes. : en fr
  • CH164704A - Casing used to package cube-shaped products such as sugar, etc. : de en
  • DE585487C - Tank stabilization system for ships : de en
  • FI15487A - A way to thermally insulate conduits : en fi
  • FR753231A - Improvements to door knobs : en fr
  • GB399642A - A warmer : en
  • US1929977A - Sliding door support : en
  • US1929886A - Internal-combustion engine of the radial type : en
  • AT134803B - Combined machine tool. : de en
  • CH164672A - Water pressure pulsation device, in particular for massage purposes. : de en
  • CA336326A - Pulp manufacture : en fr
  • CA336354A - Shoe upper shaping machine : en fr
  • FR753396A - Improvements to machine tools : en fr
  • US1929662A - Motor driven tool switch : en
  • US1930341A - Zinc base die casting alloy : en
  • DE585973C - Device for thickening sugar solutions : de en
  • US1929444A - Heat conducting element : en
  • US1929840A - Garment supporter : en
  • US1929864A - Meat chopping machine : en
  • US1930071A - Television apparatus : en
  • US1930116A - Vapor lamp system : en
  • US1929925A - Multiple terminal bank : en
  • US1929996A - Compressor : en
  • AT134867B - Pressure telegraph. : de en
  • US1929980A - Train-control system : en
  • FI15454A - Anordning vid för vätskor avsedda värmeutväxlingsapparater, vilkas värmeöverföringsytor utgöras av spiralformigt hoprullade plåtar : en fi
  • GB399550A - Improvements in or relating to thermionic amplifiers : en
  • AU950032A - An improved combined stopper and applying device for containers of shoe cleaners, dressings andthe like : en
  • CH164593A - Device for marking landmarks on dials. : en fr
  • US1930249A - Process of recovering treating agent from sludge : en
  • US1930102A - Method of making alpha socketed wall : en
  • US1929730A - Electric valve converting apparatus : en
  • US1930215A - Outfit for sewing filled sacks and like articles : en
  • US1929581A - Cigarette maker : en
  • US1930014A - Dogging device : en
  • US1930334A - Camera body : en
  • US1929656A - Mercury-arc-rectifier cathode construction : en
  • US1930453A - Process of manufacturing gasoline : en
  • DE585937C - Briquette suitable for bundling : de en
  • CH164491A - Electric cooker. : de en
  • DE585791C - Electric drive for the shuttle hitting device of looms : de en
  • US1929467A - Rack and shelf construction : en
  • US1930129A - Manufacture of aliphatic fluoro compounds : en
  • US1930171A - Railway traffic controlling apparatus : en
  • US1929929A - Wire tie and method of forming same : en
  • GB399839A - Improvements in supports for forms, models and the like : en
  • GB399551A - An improved tool for use in connection with knitting machines : en
  • FR753279A - Improvements to automatic telephone systems : en fr
  • GB399630A - A new or improved carrier attachment for a bicycle, for supporting a cape or like article : en
  • FR42784E - Gas protection device : en fr
  • US1929404A - Lubricant distributing system : en
  • US1929524A - Traveling bag : en
  • US1930233A - Refrigerator drawer : en
  • FR753259A - : fr
  • GB399554A - Improvements in the art of reproducing and presenting sound : en
  • DE585240C - Driving device for sheet piles and piles : de en
  • FI15475A - Anordning vid tätlister av metall : en fi
  • GB399682A - Improvements in and relating to regulating mechanism for prime movers : en
  • DE585850C - Cartridge chamber : de en
  • FI15483A - Alarm device for egg incubators : en fi
  • FI15506A - Tång för ringing and smörjning av bladfjädrar vid motorfordon och liknande : en fi
  • FR753209A - Sprinkler with lid with sprinkling openings closed by means of pins : en fr
  • FR753283A - Household appliance for making pasta : en fr
  • GB399680A - Process of and apparatus for effecting adsorptions : en
  • DE585809C - Electron tube circuit : de en
  • CA336349A - Railway car : en fr
  • FR753385A - Stapling pliers : en fr
  • FR753276A - Improvements to processes for sealing holes, pores or other perforations in air or pneumatic chambers or other fluid reservoirs : en fr
  • DE585394C - Nozzle with revolving feed device for suction air lifter : de en
  • DE585800C - Vacuum drying cabinet : de en
  • US1929534A - Machine for marking partially finished lens blanks : en
  • US1930286A - Educational apparatus : en
  • US1929515A - Automatic fluid control : en
  • US1929517A - Power brake construction : en
  • US1929557A - Spit for smokers' pipes : en
  • CA336233A - Liquid heater : en fr
  • CH164471A - Garage door. : de en
  • CH164517A - Darning and embroidery needle. : de en
  • CH164484A - Device for burning, cooling, drying, calcining or sintering materials of various kinds. : de en
  • CH164487A - Hold-openers for window and door sashes. : de en
  • CH164641A - Expansion switch. : de en
  • CH164706A - Equipment for carrying goods, in particular patisserie. : de en
  • US1930214A - Surgical electrode : en
  • AT134900B - Paddle wheel with swiveling blades. : de en
  • FR753308A - Mounting system for heat exchangers : en fr
  • GB399749A - Improvements in and relating to the manufacture of articles of refractory material such as silica : en
  • GB400171A - Improvements in hydraulic testing machines : en
  • US1929913A - Conveyer system : en
  • US1930199A - Aeroplane : en
  • US1929680A - Quick acting safety grip : en
  • US1929945A - Molded pulp article : en
  • USRE18967E - Water purification : en
  • US1930008A - Card game accessory : en
  • US1930398A - Impervious and resilient napkin for infants and invalids : en
  • US1929612A - Filing cabinet or file box : en
  • USD90859S - Design for a pointer for scales : en
  • FR753219A - Ashtray : en fr
  • GB399677A - Improvements in or relating to methods of producing paper-like sheets of fibrous material for writing or printing upon : en
  • DE585496C - Rolling mill for crushing plastic masses, in particular clay : de en
  • US1929475A - Piston construction : en
  • US1929623A - Doorstop : en
  • CH164721A - Overway signaling device. : de en
  • US1929866A - Production of sulphuric esters of anthrahydroquinone and its derivatives : en
  • US1930436A - Manufacture of chewing gum base : en
  • AT134820B - Shock absorbers, in particular for motor vehicles. : de en
  • US1929899A - Boiler : en
  • US1930204A - Golf shaft : en
  • FI15448A - Tie holder : en fi
  • US1929567A - Fencing tool : en
  • AT134841B - Counter designed as a reversing gear for calculating and recording machines. : de en
  • CH164549A - Process for the production of a new dye. : de en
  • US1929578A - Electric time switch : en
  • US1929966A - Gauge mechanism for grinding machines and the like : en
  • CH164707A - Device for preventing vehicle weighing. : de en
  • GB399585A - Improvements relating to furnace grates : en
  • GB399751A - Improvements in telescopic instruments for measuring objects at a distance : en
  • CH164660A - Lighting fixtures. : de en
  • US1930149A - Gaseous electric discharge device : en
  • CA336351A - Shuttle for sewing machines : en fr
  • DE585834C - Milling machine with a milling carriage that can be moved vertically between two stand parts : de en
  • CA336361A - Engine fuel : en fr
  • CA336259A - Lens blocking device : en fr
  • FI15500A - Förfaringssätt att göra pappersmaskinfiltar hållbara mot hetta och skydda desamma mot röta : en fi
  • US1929413A - Electrical circuits : en
  • US1930151A - Heddle or drop-wire : en
  • US1929920A - Terminal device with cord fastener : en
  • CH164490A - Process for burning coal dust, oil, etc. : de en
  • CH164649A - Electromagnetic safety cut-out for internal electrical installations. : en fr
  • DE585672C - Device for synchronizing the rotating wave of pressure telegraphs using the change in polarity of the telegraphing pulses : de en
  • CH164674A - Process for the preparation of 1- (3,4-dioxyphenyl) -2-aminopropan-1-ol chlorohydrate. : de en
  • CA336343A - Fuel atomizing and igniting means : en fr
  • CH164511A - Shuttle from looms with spindle. : en it
  • CH164739A - Process for the production of a new azo dye. : de en
  • CH164499A - Driving device at bed places. : de en
  • US1929424A - Fuel burning furnace : en
  • US1930284A - Device for filling and draining washing machines, and the like : en
  • USD90840S - Design for a rocket ship model : en
  • US1929561A - Vulcanization inhibiting process and compound : en
  • US1930026A - Oil circuit breaker : en
  • GB399556A - Improvements in or relating to diaphragms for sound reproducing instruments : en
  • GB399814A - Manufacture of plastic materials : en
  • CA336209A - Iodine battery : en fr
  • CA336325A - Pulp manufacture : en fr
  • AU947232A - Improved saw guide and feeder for use in felling trees orthe like : en
  • CA336257A - Container for folded paper sheets : en fr
  • CH164506A - Cap closures, in particular for beverage bottles. : de en
  • DE585603C - Extraction device for machines for the production of electrical cables : de en
  • CA336220A - Cellulose product manufacture : en fr
  • CH164520A - Method of preparing a wetting and penetrating agent. : de en
  • CH164675A - Containers for the sterilization of textiles and sterile storage of the same. : de en
  • US1929502A - Process of treating sulphide materials : en
  • US1929917A - Mop : en
  • US1930297A - Lubricating apparatus : en
  • AU951532A - Improvements in or relating to alkali-metal titanates and methods of making same : en
  • US1930035A - Control for coolant supplies for machine tools : en
  • US1930184A - Chick feeder : en
  • US1929441A - Process for obtaining orthophosphoric acid and/or conversion product thereof : en
  • US1929805A - Hat ironing machine : en
  • DE585839C - Self-acting adjusting device for internal shoe brakes, especially for motor vehicles : de en
  • US1929560A - Age resisting rubber and rubber compounds : en
  • US1929768A - Foldable display stand : en
  • US1929797A - Vibration eliminator : en
  • US1930190A - Roller bearing : en
  • US1930285A - Built up metal tube, frame and skeletonized metal member of high strength weight, and method of forming same : en
  • DE585633C - Process for the production of endless metal bands : de en
  • DE585671C - Lubrication of wheel flanges or rails from the rail vehicle : de en
  • DE585244C - Electric jacquard card beating machine : de en
  • DE572112C - Production of hydrogen peroxide : de en
  • DE585285C - Damper winding for electrical machines, especially single armature converters : de en
  • DE585552C - Drive device for machines : de en
  • DE585907C - Device for balancing circulating bodies : de en
  • US1930130A - Method of distilling tar : en
  • US1930166A - Method and apparatus for rectification of hydrocarbons : en
  • FR753183A - Folding mirror camera : en fr
  • FI15498A - Förfaringssätt for cellulosamaterial : en fi
  • GB399615A - An improved device for use with cigarette ash trays or bowls for supporting cigarettes and the like : en
  • CA336208A - Foil, film and sheet production : en fr
  • CH164610A - Rotary drive razor. : de en
  • FI15486A - Anordning vid rörskarvar eller kopplingar : en fi
  • GB399597A - Improvements in hydraulic presses for breaking down coal, rock and other substances in mining or quarrying operations : en
  • US1929897A - Plywood pressing apparatus and method : en
  • GB399753A - Manufacture of solid stable diazo-azo-salts : en
  • GB399760A - Water ski : en
  • DE585540C - Device for the production of tubular rubber articles with fabric reinforcement, such as hoses : de en
  • CH164526A - Band skirt support with inserted stiffeners. : de en
  • CH164607A - Valve grinding machine. : en fr
  • DE585725C - Process for the production of a fertilizer from separating sludge : de en
  • US1930074A - Means of handling web rolls : en
  • FR753316A - Method and apparatus for the purification of zinc : en fr
  • FI15460A - Strömbrytare : en fi
  • GB399813A - Improvements in or relating to furnace grates : en
  • CH164634A - Brush holder with pressing device pivoted next to the brush axis. : de en
  • US1929668A - Indicating device : en
  • US1929817A - Culvert : en
  • DE585876C - Machine for cleaning paintbrushes, brooms and brushes : de en
  • GB399698A - Straps for wrist watches or the like : en
  • AT134931B - Distribution elements for screw-in fuses or screw-in overcurrent switches. : de en
  • CA336375A - Thermionic valve : en fr
  • DE585890C - Commutator machine for converting alternating current into direct current or vice versa : de en
  • US1929634A - Frame for building openings : en
  • US1929809A - Street marker : en
  • FR753377A - Electric switch : en fr
  • DE585693C - Equipment for the production of capsules from fast setting liquid material : de en
  • FR42785E - Coupling device effected by means of spiral steps : en fr
  • GB399529A - Improvements in or relating to the treatment of aliphatic acids : en
  • GB399755A - Improvements in or relating to steam power installations : en
  • DE585943C - Method and device for the production of lignite briquettes : de en
  • DE585843C - Can opener : de en
  • GB399842A - Improved plastic masses for dental impressions : en
  • DK47855C - Procedure for the Manufacture of Narcotic Drugs with their Vitamin C Effects : da en
  • FR753358A - Saddle frame : en fr
  • DE585606C - AC-DC single armature converter with more than one pole pair : de en
  • DE585542C - Process for sintering fine ores : de en
  • GB399619A - Improvements in or relating to multi-stage propeller fans : en
  • US1929493A - Oxidizing means : en
  • US1930344A - Closet chair and test cap mechanism : en
  • US1929924A - Paper article and method of making it : en
  • US1929989A - Coping saw : en
  • US1930272A - Flexible brake operating means : en
  • GB400200A - Improvements in and relating to moulding articles of concrete or other plastic material : en
  • CH164645A - Contactor with remote control. : de en
  • AU516837A - Improvements in plasticised polyvinyl acetal resins : en
  • US1929615A - Packing and display container for merchandise : en
  • US1930038A - Steaming apparatus : en
  • US1929570A - Protective device : en
  • US1929687A - Machine guard : en
  • US1929833A - Tackle box : en
  • US1929918A - Receptacle : en
  • FR753185A - Process for preparing anthraquinone series tank dyes : en fr
  • GB399750A - Improvements in and relating to methods of making articles of refractory material such as silica : en
  • CH164492A - Door lock for roasting and baking ovens. : de en
  • CH164642A - Arc extinguishing device. : en fr
  • CH164700A - Tying machine for packaging. : en fr
  • CH164616A - Device for sealing rotating shafts. : de en
  • GB399700A - Improvements in portable refrigerated containers for the preservation and transport of ice creams and other commodities : en
  • FR753299A - Device controlled by variations in humidity : en fr
  • FI15495A - Water sprayer in wood grinders : en fi
  • US1930338A - Control system : en
  • US1929621A - Brake beam support : en
  • US1930192A - Power transmitting or registering device : en
  • DE585745C - Oven for hot chip-free hardening : de en
  • DE585794C - Device for degassing the lignite : de en
  • DE585887C - Support insulator composed of several individual elements with externally cemented fittings : de en
  • GB399616A - Improvements in modulating systems for carrier-wave signalling : en
  • US1929692A - Screen stile : en
  • DE585901C - Public bathtub : de en
  • FR753394A - Manufacturing process for alloys containing boron : en fr
  • GB399699A - Emergency door fastenings : en
  • US1929427A - Explosion turbine power plant : en
  • US1929987A - Rod reducing apparatus : en
  • AT134923B - Circuit arrangement for coin operated telephones with charging according to time and zone in telephone systems with dialer operation. : de en
  • FI15519A - Suksiside : en fi
  • FR753268A - Remote lighting device for signal lantern in particular : en fr
  • US1929506A - Combination garment : en
  • US1929605A - Filtering device : en
  • US1929935A - Spring injection fuel pump : en
  • GB399603A - Improvements in disinfectant containers for cisterns : en
  • US1930143A - Bromide recovery from spent developers : en
  • US1929586A - Adjustable knife for roughage mills : en
  • US1930075A - Combined brake and clutch release for looms : en
  • GB400202A - Improvements in and relating to electric regulating systems : en
  • FR753393A - Resistant material consisting of reinforced rubber : en fr
  • US1930000A - Auto snow shovel : en
  • AT134819B - Device for conveying the cut tobacco to the cigarette machine. : de en
  • CA336364A - Skate : en fr
  • DE585277C - Device for separating solid or liquid components from gases or vapors : de en
  • DE585929C - Machine for corking barrel screws : de en
  • CH164655A - Anode protection grid. : de en
  • US1929429A - Container : en
  • US1929791A - Controller for shock absorbers : en
  • US1929574A - Backboard mounting : en
  • USD90831S - Design for a display stand or the : en
  • US1930146A - Process for the dehydration of formic acid : en
  • US1930434A - Multiple cash drawer machine : en
  • USD90830S - Design for a bottle : en
  • AT134914B - Sum and difference converter. : de en
  • CH164715A - Method and device for regulating the speed of a diesel-electric vehicle. : de en
  • US1930086A - Gaseous electric apparatus and starting mechanism therefor : en
  • US1930100A - Light socket and securing means : en
  • DE585680C - Device for sealing the corners of cross-flow plate air preheaters : de en
  • US1929519A - System for producing sound motion pictures : en
  • US1929589A - Electrical transmission of colored pictures : en
  • US1929895A - Soldering flux : en
  • GB399666A - Double-edged safety razor : en
  • GB400193A - Improvements in or relating to bookbinders' presses : en
  • CH164540A - Process for the production of alcohols. : de en
  • DE585844C - Vehicle lights, especially for ships : de en
  • US1929608A - Drill bit and method of making the same : en
  • US1929659A - Gas and vapor purification apparatus : en
  • FI15459A - Kopplingsanordning vid telefonanläggningar med avgiftsapparater : en fi
  • US1929582A - Dial construction : en
  • US1930400A - Track oiler : en
  • US1929711A - Razor : en
  • US1930384A - Straightener : en
  • US1929698A - Mantle protector : en
  • US1929900A - Push button electric switch : en
  • US1930401A - Brake adjusting means : en
  • US1929481A - Motor vehicle chassis : en
  • CH164547A - Process for the preparation of an azo dye. : de en
  • AT134802B - Mower knife grinding machine. : de en
  • CA336284A - Luminous cold weather tube : en fr
  • CA336313A - Slide fastener : en fr
  • DE585598C - Method for operating trains from indirectly electrically controlled, in particular electrically operated vehicles : de en
  • DE586012C - Process for producing pure medicinal air : de en
  • CA336265A - Brake : en fr
  • DE585950C - Letterpress finishing process : de en
  • US1930089A - Gaseous discharge device : en
  • AT134818B - Pyrophoric pressure lighter. : de en
  • US1929503A - Friction clutch : en
  • US1930158A - Method of treating leather : en
  • CA336371A - Filament or thread manufacture : en fr
  • AT134807B - Impeller liquid meter. : de en
  • US1929620A - Railway truck structure : en
  • US1929636A - Tire carrier : en
  • US1929994A - Automatic motor cut-off and warning signal for stokers : en
  • US1930323A - Crucible furnace : en
  • AT134844B - Spark plug. : de en
  • FR753184A - Tree puller for mechanical workshops : en fr
  • US1929588A - Method for making vegetable oil shortenings : en
  • US1930382A - Lubricating means for sewing machines : en
  • GB399571A - Improvements in or relating to the manufacture of wire fabric or network : en
  • GB399638A - Improvements in and relating to spiked rollers for puncturing and aerating the turf and soil of bowling greens, putting greens and the like : en
  • DE585831C - Arbitrarily operated control linkage of a prime mover : de en
  • US1930018A - Outdoor advertising signboard : en
  • US1930041A - Tire inflating attachment : en
  • US1930371A - Circular weaving loom : en
  • DE585785C - Box for cigarettes or the like. : de en
  • AT134827B - United fluid change transmission and clutch. : de en
  • AT134891B - Compressed air generation system. : de en
  • US1929543A - Slicing machine : en
  • US1929542A - Typewriter cabinet : en
  • US1929992A - Casing for typewriters : en
  • US1929906A - Frozen confection : en
  • US1930017A - Grinding apparatus : en
  • US1930132A - Gaseous electric discharge device : en
  • CH164698A - Dismountable frame with hammock. : de en
  • GB399838A - Improvements in or relating to the production of yarns : en
  • US1929487A - Mechanism for handling rolled stock : en
  • AT134938B - Rotating clutch. : de en
  • DE585202C - Murphy bed : de en
  • GB399646A - A process for the manufacture of viscous oil by polymerisation of cracking products : en
  • GB399746A - Improvements in water-cooled gas condensers : en
  • GB400183A - Improvements in belts : en
  • CA336273A - Circuit controller : en fr
  • CH164685A - Self-collecting stamp machine for franking mail of various value levels. : de en
  • DE585933C - Window lock : de en
  • DE585987C - Procedure for maintaining the load readiness of steam turbines with electrical power generators : de en
  • FR753297A - Spinning machine for jute, hemp, pitte and other similar fibers : en fr
  • AU944532A - Method of and means for blending butter : en
  • CH164630A - Steam generator with superheater and a feed pump designed as a multi-stage centrifugal pump. : de en
  • FR42798E - Improvements to pressure limiting devices : en fr
  • AT134846B - Key lever cash register. : de en
  • CH164508A - Device for the treatment of synthetic yarns and threads and the like. : de en
  • CH164597A - Method and device for the production of castings in centrifugal molds. : de en
  • AT134835B - Electrical system for rectifying alternating current. : de en
  • AT134888B - Water pressure motor. : de en
  • CA336337A - Acetylene removal process : en fr
  • US1930097A - Electric discharge tube for emitting rays : en
  • FR753163A - Hydraulic press with mobile head for platemaking and drying of stereotype impressions : en fr
  • US1929933A - Wax treatment : en
  • AT134865B - Device for recording and playing back sound films with mechanical sound recording based on the Berlin script. : de en
  • US1929583A - Apparatus for supplying cooled drinking water : en
  • CH164466A - Method of eradicating weeds and soil pests. : de en
  • DE585390C - Device for mixing oil and fuel, especially for vehicle engines operated with mixed oil : de en
  • CH164502A - Device warning of the boiling of milk contained in a container in which it is heated. : en fr
  • GB399605A - Improvements in or relating to dobbies for looms for weaving : en
  • US1929597A - Rotary sprinkler : en
  • US1929803A - Journal box and frame connection : en
  • USD90860S - Design for a neckpiece for a woman s : en
  • US1930354A - Guard for downspouts : en
  • US1929576A - Bow-spring mounting for the slide valves of triple valves : en
  • US1929769A - Antiskid chain : en
  • US1930123A - Electric discharge apparatus : en
  • DE585763C - Soap rust : de en
  • FI15491A - Envelope : en fi
  • US1929971A - Theater chair : en
  • US1930370A - Method of roasting zinc sulphide ores : en
  • US1930209A - Filter : en
  • CA336358A - Electric discharge device : en fr
  • GB399711A - Apparatus for producing unidirectional electric current at high voltage : en
  • US1929590A - Automobile body inside panel fastener : en
  • GB399549A - Improvements in or relating to radio receivers suitable for use adjacent internal combustion engines : en
  • US1930279A - Motor control system : en
  • GB399631A - Improvements in or relating to the making of a record of vibrations which is reproducible by optical means : en
  • US1929571A - Electric power converting apparatus : en
  • CH164463A - Device for awning or clipping (clipping) of grain. : de en
  • CH164570A - Ski binding. : de en
  • CH164691A - Acoustic signal instrument for motor vehicles. : de en
  • DE585727C - System for heating and moistening outdoor crops : de en
  • FR753359A - System of metal nails to mark the passage of pedestrians on the roadway : en fr
  • GB399854A - Improvements relating to heat interchanging apparatus : en
  • DK47865C - Procedure for Sterilizing or Heating Products in Cans Using Electric Power. : da en
  • US1929521A - Alkali-metal titanate and method of making same : en
  • US1929569A - Sound amplifier : en
  • US1929688A - Ventilator : en
  • US1929956A - Lifting device : en
  • US1930206A - Headlight dimmer : en
  • US1930263A - Method of electrically butt welding sheet metal pipe : en
  • US1930348A - Desk : en
  • US1929488A - Hoisting device : en
  • US1930231A - Process and apparatus for cracking petroleum oil : en
  • US1929858A - Air spring operating means : en
  • US1929870A - Process for making esters from olefines : en
  • DE585784C - Device for filling valve bags : de en
  • US1929861A - Method and apparatus for continuously treating petroleum distillates : en
  • GB399609A - Improved method of and means for the hydraulic transmission of power : en
  • FR753392A - Method and devices for producing high efficiency heat engines : en fr
  • US1930106A - Package winding machine : en
  • US1930219A - Cleaning and scraping method and apparatus : en
  • DK47844C - Electrical Switch. : da en
  • FR753186A - Multicolored light tubes mounting method : en fr
  • FR42766E - Process for manufacturing esters substituted in the acid residue : en fr
  • DE585817C - Children's bath : de en
  • FR753155A - Method and apparatus for the separation of mixtures of solid substance and liquid by means of vibrating screens : en fr
  • GB399731A - Improvements in or relating to high pressure water tube steam generators : en
  • DE585823C - Hard alloy : de en
  • FI15462A - Boningsmas, skokräm o.d. the same rules apply to framställning : en fi
  • GB399694A - Improvements in or relating to picture television and like modulated carrier signalling systems : en
  • GB399764A - Process and apparatus for converting liquid substances into the form of powder or granules : en
  • GB399783A - Improvements in and relating to electric dry batteries : en
  • FR753310A - Method of controlling apparatus for stabilizing ships : en fr
  • FR753204A - Device for assembling sheets forming metal plywood : en fr
  • FI15518A - Skidbindsle : en fi
  • FR753233A - Drilling machine with ruler for construction sets : en fr
  • FR42772E - Automotive walking saw : en fr
  • GB399784A - Electric back coupling for directly acting regulators with small control forces : en
  • GB399566A - Improvements in or relating to luminous electric discharge tubes, signs and designs : en
  • US1930420A - Ingot tilter : en
  • FR753288A - Device for emptying cans into the gas tank of the car : en fr
  • GB399524A - Improvements in or relating to the treatment of edges of uppers in shoe-making : en
  • FI15503A - It is possible to use the product as a simple product : en fi
  • FR42753E - Process for coating the soles of sandals and slippers by applying vulcanized rubber and resulting products : en fr
  • GB399846A - Improvements in and relating to automatic control devices for electric arc welding apparatus : en
  • GB399589A - Improvements in and relating to the loading or unloading of vessels : en
  • GB399622A - Brakes and their controls : en
  • GB400173A - Improvements in or relating to direct injection compression ignition internal combustion engines : en
  • FR753400A - Tap head for pressurized liquid containers : en fr
  • GB399653A - Average speed indicator : en
  • DE585947C - Ultrafilter : de en
  • US1929883A - Buffer : en
  • DE585813C - Especially for medical purposes, electrically heated cold and warm water dispenser with temperature controller and a heating chamber : de en
  • DE585948C - Device for automatic influencing of automatic controllers : de en
  • FI15504A - Kolvpress : en fi
  • FI15507A - Pneumatic hjul : en fi
  • FR753349A - Material for underlayments and other similar applications : en fr
  • FR753211A - Device for the rapid disconnection of excessive current auto-switches, in the form of a base : en fr
  • DE585804C - Application or painting device with adjustable nozzles : de en
  • CA336212A - Potato slicing machine : en fr
  • DE585376C - Piston rod attachment : de en
  • GB399840A - Means for preventing the entrance of a fox or like animal into a fowl-house, pigeon-cote or the like : en
  • GB399547A - Automatic device for changing bobbins on power looms : en
  • FR753355A - Rotary tool for shaving and cleaning meats and skins, especially pork : en fr
  • GB399583A - The manufacture of dyestuffs containing sulphur : en
  • FR753234A - Electric discharge tube : en fr
  • DE585884C - Process for removing insulation from electrical conductors : de en
  • DE585728C - Process for the production of oxide layers on aluminum and its alloys : de en
  • FI15473A - Room humidifier : en fi
  • FI15482A - Pulsator for mkölkningsmaskiner : en fi
  • DE585939C - Method for the preparation and purification of the ovarian hormone : de en
  • DK47863C - Drive Device for Movement of Remote Controlled Devices. : da en
  • FR753354A - Traction sulphates with pumps and transverse controls : en fr
  • GB399738A - Improvements in and relating to the manufacture of moulded articles, particularly for electrical insulating purposes : en
  • FR753229A - Process for refining oils : en fr
  • FR753347A - Improvements to gas meters : en fr
  • GB399708A - Improvements relating to electrical resistance furnaces : en
  • FR42795E - Connection for tight fixing of gas hose nozzles : en fr
  • CA336241A - Tire shoe : en fr
  • CA336324A - Telephone system : en fr
  • FR753218A - Improvements made to the means to render certain elements or assemblies incombustible, in particular furniture : en fr
  • DK47859C - Electric lighting device with a discharge tube acting as a fluorescent lamp. : da en
  • US1930193A - Vehicle direction indicator : en
  • GB399660A - Method of and machine for re-conditioning tail shafts of ships : en
  • DE586009C - Firebox wall with lining of the pipes with a pair of protective blocks each : de en
  • GB399723A - Process for the manufacture of aromatic hydroxy aldehydes : en
  • FR753325A - Bicycle freewheel sprocket body forming support for three stepped sprockets : en fr
  • GB399765A - Bathing boat : en
  • FR753216A - Automatic sugar bowl : en fr
  • GB399592A - Improvements in or relating to pencil holders : en
  • FR753269A - Marine boat : en fr
  • DE585944C - Device for the automatic production of wire links with attached beads : de en
  • FR42752E - Drilling rig with cuttings removal by automatic dredge : en fr
  • FI15461A - Bandfilter, särskilt för multipeltelefoni och -telegrafi : en fi
  • GB399715A - Improvements in or relating to gas filled electric incandescent lamps having spirally shaped incandescent elements : en
  • GB399624A - Improvements in or connected with hinged stays for swing mirrors, casements and other swinging objects : en
  • FR753370A - Electric accumulator : en fr
  • CH164554A - Made resistant to corrosion by this process.n adsorptive oxide coating on the surface of aluminum or aluminum alloy objects, and aluminum or aluminum alloy object, having an oxide coating : en fr
  • CH164560A - Quick binding folder for folded sheets, magazines, etc. : de en
  • US1929815A - Apparatus for projecting animated pictures on alpha screen : en
  • US1930057A - Draft rigging : en
  • US1930399A - Helmet for divers, miners, firemen, and the like : en
  • DE572615C - Production of hydrogen peroxide : de en
  • US1929530A - Toothbrush : en
  • US1929553A - Releasing clamp : en
  • US1929894A - Gold leaf laying device : en
  • GB399633A - Improvements relating to apparatus for delivering liquids into liquid streams : en
  • GB399702A - An appliance to reduce the risk of the person carrying it from infections such as influenza, catarrh, common colds and the like : en
  • US1930067A - Motor vehicle : en
  • US1929462A - Combination tank vent, flame arrester, and automatic snuffer : en
  • US1929599A - Sheet-wrapped package and opener : en
  • US1930023A - Tile support and fastener : en
  • USD90847S - Design fob a sign : en
  • US1930243A - Washing machine : en
  • FR753166A - Machine for unwinding and printing a strip of paper at the same time : en fr
  • FR753300A - Improvements to electronic discharge tubes : en fr
  • US1930296A - Refrigerating machine : en
  • US1929737A - Apparatus for molding insulators : en
  • CH164711A - Watch holder for rear viewfinder. : en fr
  • DE586013C - Knife cleaning machine with two rollers moved by hand drive : de en
  • FI15489A - Spännanordning för drivremmen vid elektriskt drivna mejeriaggregat : en fi
  • DE580089C - Motor-driven plaster cast cutting device : de en
  • DK47852C - Device for Fastening Concrete Slabs in Buildings. : da en
  • CA336225A - Footwear : en fr
  • US1929587A - Telephone system : en
  • US1929622A - Counter : en
  • US1929881A - Apparatus and process for heating fluids : en
  • US1930015A - Agricultural machine : en
  • CA336277A - Mouldable cellulose derivative composition : en fr
  • CH164742A - Process for the preparation of a derivative of 1.9-anthrapyrimidine. : de en
  • AT134875B - Method and device for maintaining the set of the woods of fuse strips during the further processing of the fuse strips. : de en
  • US1930372A - Apparatus for treating hydrocarbon vapors : en
  • DE575638C - Device for pasteurizing milk : de en
  • AT134857B - Grid electrodes for electron tubes. : de en
  • US1929512A - Construction and control of aircraft having air actuated sustaining means : en
  • US1929535A - Apparatus for forming fibrous bellmouth tube ends : en
  • US1929703A - Lumber marking machine : en
  • US1930062A - Temperature indicating thermostat : en
  • FR753220A - rail brake electromagnet : en fr
  • FI15453A - Fertilization requirements for metal and chemical fittings : en fi
  • FR42759E - Device for opening bottles or other containers with airtight closure, particularly those with crown stoppers or caps : en fr
  • CH164608A - Electric shaver. : de en
  • DE585925C - In the manner of a Nuernberger pair of scissors trained carrier for two or more movable lamps for technical, z. B. for photographic purposes : de en
  • DK47866C - Combined electric Light and Sound signal device. : da en
  • US1929420A - Rock drilling apparatus : en
  • US1930091A - Preparation of lard : en
  • FI15452A - Fertilization requirements for ammonium salt : en fi
  • FR753365A - Product for painting, printing or writing on cellulosic materials and sheets or objects with application : en fr
  • GB399762A - Improvements in or relating to electrolytic condensers : en
  • FR753332A - Method for obtaining a light source : en fr
  • FR753340A - Manufacturing process for refractory bricks : en fr
  • DE585841C - Heater for motor vehicles : de en
  • US1930431A - Enlargement camera : en
  • FR753188A - Signaling lantern : en fr
  • DE585870C - Expandable and compressible multi-conductor power cable : de en
  • US1929719A - Liquid metering and dispensing apparatus : en
  • AT134922B - Electrical system with one or more discharge tubes that contain a gas filling, a cathode and two or more anodes. : de en
  • CH164729A - Process for the production of crystalline alkali silicate hydrates. : de en
  • GB399613A - Cabinet wringer : en
  • DE585954C - Cathode for Braun tubes : de en
  • DE586000C - Magnet runner with two or four grooves for alternators : de en
  • FR753388A - Improvements to cinematographic cameras : en fr
  • FR753162A - Crucible intended more especially for foundries of stereotypes : en fr
  • US1929875A - Dyestuffs and intermediates of the anthraquinone series : en
  • US1930139A - Photographic printer : en
  • US1930314A - Wall support for plumbing fixtures : en
  • US1929907A - Gasoline purifier : en
  • US1929649A - Low-temperature carbonization of carbonaceous material : en
  • FR753348A - Improvements in the construction of gas meter flywheels : en fr
  • DE585795C - Three-stage regulation of three identical heating resistors that can be connected in star connection to a three-phase network with a neutral conductor takes place through a single switching element : de en
  • DE585999C - Device for regulating the timbre : de en
  • GB399802A - Improvements in or relating to viscometers : en
  • CH164536A - Device for separating solid or liquid components from gases or vapors. : de en
  • CH164596A - Hard metal alloy. : de en
  • FR753174A - Powdery mildew powder : en fr
  • GB399770A - Improvements in and relating to a reflector device for electromagnetic radiation of ultra short wave length : en
  • FR753290A - Process for the production of artificial fibers in the shape of spindles : en fr
  • CA336317A - Salesbook and holder : en fr
  • FI15477A - Anordning fumbarkning av långkapad ved eller hela Stockar : en fi
  • GB399734A - Improvements in safety razors : en
  • US1930381A - Centrifugal oil well pump : en
  • GB399568A - Improvements in date indicators for calendars : en
  • DE585867C - Automatic flushing device for row abort systems : de en
  • FR753249A - Device for AC duplex telegraphy with the same carrier frequency in both directions : en fr
  • FI15499A - Förfaringssätt for torkning av ur fuktig Cellulosa format material : en fi
  • DE585594C - Washing machine with rammers : de en
  • FR753252A - : fr
  • US1930275A - Telephone switchboard : en
  • US1929890A - Regulating means for independently fired superheaters : en
  • FI15458A - The axle box is for the first time : en fi
  • FI15509A - Dörrhållare : en fi
  • FR753182A - Painting : en fr
  • US1929434A - Liquid distributing installation and the element thereof : en
  • US1930432A - Distance meter for photographic purposes : en
  • DE585848C - Lock with a key remaining in the lock : de en
  • FR753399A - Advanced electric motor : en fr
  • GB400586A - Improvements in processes for heat-treating metals : en
  • US1929834A - Brooder air circulating device : en
  • FR753282A - High efficiency kettle for kitchen stoves and others : en fr
  • FR753374A - Pneumatic message transmitter : en fr
  • FI15457A - Förfaringssätt för framställning av vägbeläggningar : en fi
  • FR753179A - Device for slicing food products : en fr
  • US1930033A - Means for automatically supplying fluid brake systems : en
  • DE585627C - Process for the extraction of pure zinc, zinc dust or zinc oxide : de en
  • GB399581A - Improvements in anchor bolt or like metal fittings for floors, ceilings and walls : en
  • AT134915B - Device for the automatic control of electrically operated vehicles for individual and group journeys. : de en
  • CA336226A - Rubber goods surface : en fr
  • DE585504C - High-voltage transformer system consisting of two isolated single-phase transformers : de en
  • US1929452A - Process for obtaining acid metal phosphates : en
  • US1929629A - Stretching frame : en
  • US1929898A - Method of forming electrically welded hollow objects : en
  • US1930236A - Carton : en
  • CA336286A - Footwear : en fr
  • US1929865A - Cut-off and transfer mechanism : en
  • US1929901A - Process for the separation of liquids : en
  • US1930156A - Substation : en
  • CA336240A - Shears or scissors : en fr
  • CH164744A - Reflector. : de en
  • AT134843B - Method of welding by generating electrical and chemical heat. : de en
  • GB400217A - Appliances for playing a board game simulating golf : en
  • GB400220A - Improvements in, or relating to, venetian blinds : en
  • DE586027C - Device for counting and rolling coins : de en
  • US1929509A - Apparatus for building cable joints : en
  • US1929792A - Spring-cushion : en
  • DE582796C - Process for the production of strongly shrinking capsules from cellulose esters : de en
  • US1929979A - Train control system : en
  • US1929986A - Service dispensing system for parked automobiles : en
  • US1930117A - Control device : en
  • US1930131A - Method of making bearings : en
  • US1930085A - Beacon : en
  • US1930337A - Electric furnace : en
  • US1929903A - Plant protector and method of making it : en
  • US1930312A - Bearing seal : en
  • US1929951A - Toilet appliance : en
  • DE585772C - Potato planting machine with laying roller : de en
  • DE585895C - Electric water heater with heat storage : de en
  • DE585903C - Process for the production of foils : de en
  • FI15517A - Simhandske : en fi
  • FR753222A - Tipping skip : en fr
  • FR753378A - Expandable device for advertising and similar purposes : en fr
  • US1929944A - Molded pulp article : en
  • DK47862C - Heat distribution body (Top plate) for electric hobs. : da en
  • US1929976A - Decimal tabulator : en
  • US1929754A - Rotary well pump : en
  • US1930049A - Garment band : en
  • CH164504A - Lid closure for overpressure cooking vessels. : de en
  • US1929843A - Wire bale-tie : en
  • CH164532A - Machine for the production of moldings from fat or butter dough, marzipan or other plastic materials. : de en
  • CA336372A - Filament or thread manufacture : en fr
  • DE585437C - Gas firing system with a compressed gas burner : de en
  • GB399799A - Improvements in valve spring lifters : en
  • US1930409A - Process of preparing anhydrous leuco vat dyestuffs : en
  • US1930022A - Chuck : en
  • US1930360A - Apparatus for the lye treatment and washing of clothes : en
  • FR42792E - Improvement brought to the process and device for stabilization, maneuvering and propulsion of a flying aircraft with rotary wings (called gyroplane) driven by a motor, or rotating freely : en fr
  • US1929819A - Farm boat : en
  • US1929939A - Radio apparatus : en
  • FR753198A - Further development of celluloid spectacle frames : en fr
  • CA336248A - Wind propelled water craft : en fr
  • US1929705A - Compound for the treatment of silk and rayon : en
  • US1929596A - File : en
  • US1929752A - Variable frequency oscillator : en
  • DE585955C - Cooking apparatus, in particular saucepans, with exchangeable electric heating plates : de en
  • AT134930B - Protective device for converters with electric valves. : de en
  • CH164563A - Electric typewriter. : en fr
  • CH164567A - Drawing instrument. : en fr
  • CH164702A - Method and device for connecting the overlapping ends of metal straps for packaging. : de en
  • DE585257C - Drive device for rotating sound carriers, records or sound cylinders, with a flywheel : de en
  • GB399685A - Process for the production of enamelled copper wire for electrical purposes : en
  • GB399691A - Improvements in and relating to loudspeakers : en
  • FR42771E - Tensioning device for sling bases : en fr
  • DK47845C - Apparatus for cooling fresh milk. : da en
  • FR753344A - Cigarette lighter or other lighter device, adaptable to any usual object and forming an advertising vehicle : en fr
  • GB399545A - Improvements in knitted fabrics and methods of knitting the same : en
  • GB399761A - Device for extracting the juice from oranges and the like : en
  • FR753353A - Cold producing machine : en fr
  • US1929738A - System of assembling shoes : en
  • US1930438A - Liquid dispenser : en
  • CA336203A - Mine or tunnel support : en fr
  • US1930246A - Synchronizing system : en
  • AT134939B - Electrical network. : de en
  • CA336332A - Cementitious body forming method : en fr
  • CH164626A - Method for performing an electrical spark discharge. : de en
  • US1930121A - Textile trimming material : en
  • CA336246A - Metal spoke wheel : en fr
  • CA336263A - Shoe heater : en fr
  • CH164529A - Device for fixing a lace on an object. : en fr
  • CH164586A - Luminous time indication device. : en fr
  • US1929836A - Bearing : en
  • CH164658A - Device for damping wave movements in the oil of oil condensers, which are subject to mechanical influences. : de en
  • US1930147A - Gaseous electric discharge device : en
  • US1929807A - Drag link : en
  • US1930189A - Bumper guard : en
  • DE585992C - Process for the enrichment of invertase in brewer's yeast : de en
  • CH164606A - A method of manufacturing rubber articles. : en fr
  • FR753242A - Slide rails on guides for vertical filing : en fr
  • CH164580A - Display device on calculating machines, cash registers and the like with a lamp field controlled by the setting elements for illuminating digits. : de en
  • CH164722A - Device in a railway system for the transmission of line signal positions to the moving train by means of a stretch stop device arranged on the line. : de en
  • US1929958A - Snowplow : en
  • US1930034A - Swimming suit : en
  • US1930430A - Fastener for curtain tie-backs, etc. : en
  • US1929684A - Valve : en
  • DE585404C - Safety device for conveyor machines : de en
  • DE585147C - Fourdrinier paper machine : de en
  • US1929459A - Receptacle : en
  • US1929558A - Safe construction : en
  • US1930165A - High current filter : en
  • US1929470A - Foam cell : en
  • US1929554A - Steel and articles made therefrom : en
  • US1929651A - Generator ignition control : en
  • USD90852S - Design for a tot ship : en
  • CH164609A - Scissors. : de en
  • CH164692A - Sound producing device. : en fr
  • GB400170A - Apparatus for use in determining the content of fat in milk and milk products : en
  • US1929445A - Pressure fluid motor : en
  • US1929759A - Fire alarm system : en
  • US1930302A - Electric valve converting system : en
  • DE585716C - Device for checking and restoring the synchronization between image and sound carrier : de en
  • AT134927B - Rapid excitation of alternating current machines. : de en
  • DE585729C - Paper machine for the production of multilayer paper with the aid of at least two breast rolls designed as suction rolls : de en
  • CH164525A - Method and machine for the production of gloves. : de en
  • DE585972C - Process for the refinement of edible fats : de en
  • US1929771A - Method of forming tearing strips in can bodies : en
  • US1930153A - Stenciling method and apparatus : en
  • US1929959A - Snowplow : en
  • US1930265A - Time recorder : en
  • US1930369A - Window cleaner's seat : en
  • GB399582A - Improvements in or relating to cooling arrangements for mercury arc rectifiers : en
  • CH164727A - Machine for working the ballast of railways. : en fr
  • US1930159A - Remote control system for radio instruments : en
  • US1929938A - Evaporator and shelf : en
  • US1930260A - Hydraulic mechanism : en
  • US1930359A - Illuminated sign : en
  • CA336276A - Hydrocarbon and kerosene processing : en fr
  • CH164629A - Method for using the exhaust gases of two-stroke engines and device for implementing this method. : en fr
  • FR42765E - Method for reducing crosstalk occurring in multiple metal circuits, on which the same text is transmitted simultaneously : en fr
  • AT134919B - Electric circuit breaker. : de en
  • DK47856C - Steel or Cast Iron with greatly reduced Tendency to Rust. : da en
  • CH164697A - Suitcase. : en fr
  • US1929593A - Hydraulic screw broaching machine : en
  • CH164509A - Shuttle catcher for looms. : de en
  • FI15479A - Indication for partial entry or difference between partial entry and total entry is included in the media : en fi
  • FI15484A - Pest insect cream for animals and humans : en fi
  • AT134822B - Flat-plate typewriter with a tabulator built into the main frame. : de en
  • CA336338A - Bag manufacture : en fr
  • CH164489A - Articulated boiler for central heating. : de en
  • AT134869B - Discharge tube. : de en
  • US1929943A - Draft rigging : en
  • US1930366A - Metallic door or panel construction : en
  • AT134884B - Procedure for replacing utility poles. : de en
  • US1929926A - Artificial hand : en
  • AT134854B - Telegraph receiver for sheet printing. : de en
  • CA336370A - Dyestuff : en fr
  • US1929572A - Automobile jack : en
  • US1929841A - Absorption system : en
  • US1930025A - Internal combustion engine : en
  • US1930365A - Tie adzing machine : en
  • US1930254A - Light regulating device : en
  • US1930413A - Toe pad : en
  • US1929948A - Carbonator : en
  • CH164688A - Ballast for network receivers to prevent interference from the network. : de en
  • US1930238A - Multiple socket wrench : en
  • CH164573A - Device allowing with a weapon with central percussion to fire projectiles having to be struck in two points. : en fr
  • AT134913B - : de en
  • CH164639A - Device for winding and unwinding a cord to which is attached, for example, an electric lamp. : en fr
  • DE586003C - High voltage transformer, especially voltage transducer : de en
  • CA336227A - Hat manufacture : en fr
  • CH164568A - Musical box cylinder pinning method, and cylinder obtained by this method. : en fr
  • DE585543C - Shaft furnace system for the treatment of solid substances with gases : de en
  • AT134906B - Method for increasing the number of vibrations of leaf springs for motor vehicles and. like : de en
  • AU1131633A - Improvements in or relating tothe mounting of electric lights on sewing machines : en
  • DE585842C - Sprocket change gear for bicycles : de en
  • US1930152A - Heddle or drop-wire : en
  • FR753250A - Improvements to remote control devices : en fr
  • US1929780A - Replacement valve seat for internal combustion engines : en
  • US1929749A - Liquid dispensing apparatus : en
  • US1930138A - Explosion vent : en
  • US1930248A - Process for treating gasoline or the like : en
  • CA336287A - Shoe manufacturing apparatus : en fr
  • CH164556A - Metal saving stain. : de en
  • CH164713A - Detachable connecting link for anti-skid chains. : de en
  • US1930291A - Production of cinematograph film : en
  • DE585779C - Device for forming and inserting the slider into the sliding sleeve of sliding boxes : de en
  • DE585962C - Nickel-silver-tin-copper alloys : de en
  • GB399773A - Improvements in or relating to pneumatic hammers and similar percussive tools : en
  • CH164518A - Seamless hosiery, process for its manufacture and loom for carrying out this process. : en fr
  • DE585797C - Winding device for the production of boxes, sleeves, etc. like : de en
  • CH164662A - Gas shut-off device with gas tap and thermostat for automatic closing of the gas tap. : de en
  • FR753346A - Improvements relating to perforated devices particularly suitable for ventilation systems : en fr
  • GB399743A - Improvements in and relating to electric cable terminals : en
  • AT134851B - Steam oven with oil or gas combustion. : de en
  • US1929732A - Gelatin product and method of preparing the same : en
  • US1929751A - Acoustic tile : en
  • US1930208A - Springless multiwheel vehicle suspension : en
  • US1930269A - Inductance device : en
  • AT134814B - Device for loosening tufts of raw tobacco, especially for cigarette manufacture. : de en
  • CH164578A - Recorder. : de en
  • DE585927C - Switching device for gearboxes of motor vehicles : de en
  • US1929489A - Process of treating petroleum : en
  • CH164741A - Process for the production of a new azo dye. : de en
  • US1930277A - Process for making clutch throwout bearing : en
  • CH164495A - Process for the production of a cleaning agent, in particular for copper. : de en
  • CA336296A - Scale mechanism : en fr
  • US1930298A - Hood fastener : en
  • US1930119A - Dental alloy for cast dentures : en
  • AT134836B - Process for the production of coarsely dispersed bitumen emulsions. : de en
  • CH164716A - Vehicle with diesel-electric drive. : de en
  • CA336292A - Vacuum heating system : en fr
  • DE585726C - Ring scales with double suspension of the counterweight : de en
  • FI15480A - Kilometerräknare för fordon, särskilt järnvägsfordon : en fi
  • FR753195A - Improvements to means of fire protection : en fr
  • DE585946C - Flat brush or painter's brush : de en
  • AU958032A - Improvements in stays for hinged windows or the like : en
  • AT134850B - Motor plow usable as a car. : de en
  • CA336335A - Baking composition : en fr
  • GB399625A - Improvements in, and relating to, conveyors : en
  • US1929891A - Water tube boiler : en
  • CA336312A - Pile fabric : en fr
  • CH164562A - Line break device on typing office machines. : de en
  • US1930160A - Remote control system for radio instruments and the like : en
  • US1929490A - Box : en
  • US1929592A - Telephone system : en
  • US1929706A - Pasteurizer : en
  • US1929741A - Lock : en
  • AU1330833A - Improvements in and relating to liquid measuring and dispensing appliances : en
  • GB399758A - Controlling device for electric drives for knitting machines : en
  • GB399805A - Improvements relating to self-adjusting tappet devices : en
  • US1930096A - Gyroscopic instrument and apparatus : en
  • CH164628A - Internal combustion engine with overhead valves and air cooling. : en fr
  • DK47843C - Safety device for electric irons. : da en
  • CA336223A - Cellulose product manufacture : en fr
  • US1930347A - Holder for recipe books and the like : en
  • US1929454A - Combined clutch and driving pulley : en
  • US1930004A - Double hook power dog : en
  • US1930197A - Combined spotting and release mechanism : en
  • US1929418A - Gun sight : en
  • US1929440A - Loading device for revolvers : en
  • AT134934B - Arrangement for company management. : de en
  • US1930301A - Indelible print : en
  • US1930416A - Sliding and pivoting wristlet watch : en
  • US1929426A - Mining apparatus : en
  • US1929709A - Liquid storage tank : en
  • GB399856A - Improved sheet material for gaskets and other purposes and process of making the same : en
  • DE585807C - Method of manufacturing fuel briquettes : de en
  • DE585846C - Unmanned buoy : de en
  • FI15478A - In the case of general inspection, the material for the original equipment shall be fitted with an axle box for the complete body of the vehicle. : en fi
  • FR42773E - Excavator and perforator : en fr
  • GB399789A - Improvements in portable electric vacuum cleaners : en
  • GB399776A - Liquid fuel supply system for internal combustion engines : en
  • GB399779A - Improvements in or relating to magnets, particularly for electrodynamic loudspeakers, microphones, electric pick-ups or the like : en
  • GB399577A - Improvements connected with electric cables stored in coils and on reels : en
  • FR753181A - New female socket element : en fr
  • GB399543A - Improvements in or relating to aerial equipment for aircraft radio installations : en
  • GR4359B - LEAD SYSTEM. : el en
  • GB399565A - Coin collecting and refunding arrangement for telephone systems : en
  • FR753273A - Steam locomotive with high-speed piston engines, especially for large powers : en fr
  • FR753206A - Photophonographic apparatus : en fr
  • FR753258A - Mattress : en fr
  • GB399623A - Improvements in mechanical games : en
  • DE585852C - Extendable support bracket for hunting purposes : de en
  • DE585900C - Device for dampening the noise of electrically powered vacuum cleaners : de en
  • FI15493A - Sätt attverver pressade plattor eller föremål av fibrer : en fi
  • FR42793E - Life belt : en fr
  • GB399722A - Improvements relating to the capping of bottles : en
  • FR753278A - Mixing device : en fr
  • FR753217A - Improvements made to clothing, especially those such as jackets : en fr
  • FR753208A - Method and apparatus for diluting fibrous material in bales or pulp in sheets : en fr
  • FR753247A - Automatic trigger of firearms with precise passage of the objective in the best position : en fr
  • FI15469A - Bärkrok och stödbärare samt förfaringssätt för dess användning : en fi
  • FR753199A - Manufacturing process for protective nails for shoes, galoshes, clogs or others : en fr
  • FR753382A - Iodo-metallic accumulator by electrolysis of metallic iodides of light metals and reversibility of the reaction : en fr
  • USD90856S - Design fob a garment button : en
  • AT134809B - Knife sharpening device. : de en
  • AT134821B - Steam curtain firing. : de en
  • FR753254A - Piston pump for delivering liquids, in particular fuel oils for internal combustion engines : en fr
  • FR753294A - Pneumatic tire wheel for automobiles : en fr
  • GB399713A - Anti-halation layers for photographic plates and films : en
  • GB399817A - Process for the manufacture of softening agents : en
  • GB399707A - Improvements in the production of combined picture and sound films : en
  • AT134909B - Interlocking device for point machines. : de en
  • CA336339A - Picture transmission : en fr
  • US1930216A - Treatment of hydrocarbon oils : en
  • GB399573A - Improvements in or relating to the production of coils especially of wire : en
  • FR753248A - Improvements to devices for making pasta : en fr
  • FR753296A - Dosing device and dispenser for liquids : en fr
  • US1930421A - Picture film, diapositive, and the like for optical projection apparatus : en
  • FR753267A - Dolls and mannequins that can perform movements : en fr
  • GB399673A - Improvements in comb attachment for carpet sweepers : en
  • GB399575A - Improvements in or relating to flue-gas washing apparatus : en
  • GB399602A - Improvements in gear cutters : en
  • GB399737A - Improved manufacture of water-soluble crystalline aluminium salts of lower fatty acids : en
  • GB399721A - Improvements in sectional boats : en
  • US1929757A - Football game : en
  • FR753193A - Improvements to extinguisher equipment : en fr
  • GB399576A - An improved device for trueing and dressing wheels of abrasive material : en
  • GB399640A - Improvements in or relating to brakes for bicycles and the like : en
  • GB399821A - Improvements in or relating to devices for dressing seeds : en
  • FI15511A - Double-ended steel pen : en fi
  • AT134830B - Device for adjusting the focus and main beam, especially with X-ray tubes. : de en
  • CH164565A - Stereotype plate. : de en
  • CH164622A - Adjustment device for action turbines. : en fr
  • DE584696C - Process and device for aeration, de-acidification and filtration of water : de en
  • GB399740A - Improvements in or relating to electrical relay or switch mechanism for controlling temperature or other physical conditions : en
  • FI15485A - Gas heating system for the main engine : en fi
  • FR42782E - Automatic needle control device of a sorting bundle : en fr
  • GB399709A - Machine for casting metals : en
  • GB399774A - Improvements in or relating to manoeuvre-signalling devices for motor or like vehicle : en
  • GB399855A - Improvements in the art of producing artificially binaural sound effects : en
  • FR753303A - Intaglio printing machine : en fr
  • US1929529A - Process and apparatus for converting hydrocarbon oils : en
  • CH164667A - Device for external measurement and recording of labor pains. : de en
  • US1930076A - Beam truck : en
  • US1930126A - Brake control : en
  • DE585452C - Device for checking the diameter of narrow, relatively long bores : de en
  • GB399775A - Improvements in or relating to power transmission for motor vehicles : en
  • US1930396A - Vacuum washer : en
  • DE585777C - Manufacture of screw nuts from a round bar or round wire : de en
  • CH164531A - Process for the preservation of condensed sweetened milk. : en fr
  • DE585186C - Process for the preparation of dyes of the polymethine series : de en
  • DE585381C - Temperature controller : de en
  • DE585476C - Lens shutter : de en
  • US1929513A - Motor for elevator door operators : en
  • US1930040A - Valve : en
  • US1929779A - Fender well tire carrier : en
  • US1930402A - Semiautomatic can seaming machine : en
  • GB399636A - Improvements in or relating to valve tripping mechanisms such as are used in gas meters : en
  • US1930140A - Acid hardening fixing bath : en
  • US1929736A - Vacuum type filling machine : en
  • US1930391A - Impression compound : en
  • US1930395A - Track measuring device for railroad vehicles : en
  • FI15470A - Portable device for tobacco y.m.s. serving : en fi
  • GB399574A - Improvements in and relating to coin-freed apparatus for playing a game of skill : en
  • GB399745A - Improvements in nut locking arrangements : en
  • US1929580A - Means for reenforcing cable sleeves : en
  • US1929789A - Poultry waterer : en
  • US1930283A - Distributing machine : en
  • GB399552A - Improvements in or relating to television and like apparatus : en
  • GB399647A - Insulation of floors against the transmission of sound : en
  • AT134925B - Liquid switch. : de en
  • DE585719C - Embossing of characters or symbols in objects with curved boundary surfaces : de en
  • DE585965C - Process for the production of record blanks : de en
  • US1929717A - Lateral motion truck for electric cars : en
  • US1929539A - Clamp : en
  • US1929763A - Stop motion for alpha doubling and twisting machine : en
  • US1929775A - Refrigerator latch : en
  • US1929910A - Device suitable for the irradiation of substances with ultra-violet rays : en
  • DE586023C - Locking device for bridge scales : de en
  • FR753367A - Improvements to two-piece molds for assembly and assembly device for these molds : en fr
  • FR753387A - Daytime and nighttime police plates with removable numbers and letters for motor vehicles : en fr
  • US1929664A - Process of obtaining carbon black and alpha gaseous mixture of hydrogen and nitrogenin controlled proportions by the thermal dissociation of hydrocarbon gases and vapors : en
  • US1929904A - Glow tube for amplifying, detecting, and other purposes : en
  • US1929495A - Self-centering expansible piston : en
  • US1929972A - Force feed lubricating system : en
  • US1930226A - Mordanting, weighting, and dyeing : en
  • US1929516A - Toy shovel : en
  • DE585988C - Buffers for high speed vehicles : de en
  • GB399827A - Improvements in or relating to carding-engines : en
  • DE586004C - High voltage transformer, especially voltage transducer : de en
  • FR753287A - Hydraulic shock absorber, for mechanical vehicles : en fr
  • AU950532A - Temperature regulation in destructive hydrogenation : en
  • DE580108C - Thickening device for liquids, especially milk : de en
  • FI15516A - Mask for trickning from structure : en fi
  • AT134879B - Hair cap. : de en
  • CH164659A - Corrugated concave mirrors for headlights, in particular those for vehicles. : de en
  • FR42761E - Fret bolt for superimposed barrels : en fr
  • FR753362A - Method and device for the projection of relief films : en fr
  • US1930115A - Spark plug cleaning apparatus : en
  • US1930457A - Method of artificially heating sludge digestion chambers : en
  • FR753152A - Use of absorbents, particularly activated carbon in the alcohol industry, wood carbonization and their affiliated industries : en fr
  • FR753257A - Conveyor device for glass working machine : en fr
  • FR753341A - Method and device for automatic or semi-automatic control of the operation of furnaces and similar apparatus : en fr
  • FR753350A - Improvement in cables and electric wires : en fr
  • DE585679C - Device for the production of wrought iron pipes from sheet metal strips bent into the shape of a pipe by electrical fusion welding progressing in the longitudinal direction of the pipe seam : de en
  • CH164736A - Process for the preparation of a new sulfonic acid. : de en
  • FR42787E - Process for the preparation of chromates : en fr
  • FR753246A - Lever-rod applicable to internal combustion and steam engines : en fr
  • US1929937A - Evaporator : en
  • US1930029A - Remote controlled radio reception : en
  • US1929632A - Paper can machine : en
  • CH164537A - Process and apparatus for the production of nitrogen and nitrogen-hydrogen mixtures by the decomposition of ammonia. : de en
  • US1929556A - Miniature golf ball delivering and registering means : en
  • US1929957A - Plow attachment : en
  • US1930393A - Adhesive to be employed in the manufacture of waterproof abrasive products : en
  • FR753386A - Advanced vibrator, more particularly intended for chipmaking machines : en fr
  • FR753156A - Improvements to internal combustion engines, fuel injection : en fr
  • US1930377A - Process and apparatus for manufacture of solid fuel : en
  • DE585811C - Method for determining the magnetic field strength : de en
  • US1929812A - Manufacture of insulated conductors : en
  • US1930418A - Building structure : en
  • FR753151A - Material applicable in particular in the field of high frequency electric currents : en fr
  • GB400191A - Improvements in and relating to electrical apparatus for the detection or measurement of phase differences or for both purposes : en
  • GB399820A - Manufacture of alkali cyanates : en
  • FR753256A - Process for forming characters, letters, signs, images, etc., on aluminum or aluminum alloys : en fr
  • CA336236A - Store front : en fr
  • CH164472A - Adjustable prop. : de en
  • US1929746A - Grinding machine : en
  • US1930120A - Opening and closing means for doors : en
  • US1929555A - Steam generator : en
  • GB399621A - A new or improved combined shaving brush and soaping device : en
  • DE585879C - Braking device : de en
  • DE585974C - Device for rolling up paper webs : de en
  • US1929828A - Fraud-preventing paper : en
  • US1929829A - Doughnut mix : en
  • CA336260A - Lens grinding machine : en fr
  • FR753205A - automatic unloading hoist and file lifts : en fr
  • FR753323A - Articulated coat racks for the support and launching of rescue boats placed on ships : en fr
  • US1929540A - Heat exchanger : en
  • CA336350A - Reactor : en fr
  • US1929863A - Process of preparing ortho-aminocarboxylic acid esters of the anthraquinone series : en
  • US1930345A - Edge formation for composite panels and method of making same : en
  • DE585830C - Screw studs made of elastic material : de en
  • CA336302A - Motor speed regulator : en fr
  • CA336348A - Matrix-setting and type-line-casting machine : en fr
  • US1929745A - Motor controller : en
  • US1929844A - Removable partition for gang switch boxes : en
  • US1929604A - Railway draft rigging : en
  • US1929772A - Handle device : en
  • US1929932A - Photo-electric tube : en
  • US1929436A - Variable pitch propeller : en
  • US1930240A - Loom : en
  • US1930176A - Collapsible table : en
  • US1930179A - Oil burning apparatus : en
  • US1930386A - Combination shipping and display case : en
  • US1929455A - Flow control mechanism : en
  • US1929682A - Roaster : en
  • DE585415C - Metal pipe and extrusion press : de en
  • DE585875C - Wringer : de en
  • US1929606A - Electric switch : en
  • DE585420C - Production of hydrogen or hydrogen-nitrogen mixtures : de en
  • DE585838C - Resilient rubber brake rod supports for motor vehicles : de en
  • CA10114S - Combined stencil sheet and backing sheet : en
  • CA336288A - Drive mechanism : en fr
  • CA336297A - Scale mechanism : en fr
  • FR753180A - Marking table with machine tools for construction sets : en fr
  • AT134810B - Process for the production of artificial structures. : de en
  • CA336271A - Multi-ply paper making apparatus : en fr
  • AT134859B - Soap preparation. : de en
  • FI15450A - Crystallization arrangements : en fi
  • CH164488A - Installation on central heating boilers. : de en
  • US1929537A - Centrifugal tachometer : en
  • US1929658A - Lock : en
  • CH164666A - Device for illuminating small areas. : de en
  • FR753275A - Improvements made to devices comprising electrical contacts, devices such as contactors, switches, fuses, sockets, etc. : en fr
  • FI15456A - The provisions of this Regulation do not apply to collective processing : en fi
  • US1930007A - Self-closing gas cock : en
  • US1929693A - Proportioner : en
  • US1929407A - Multiple quantity repeating automatic meter : en
  • US1930161A - Fin winding machine : en
  • FR753280A - Device against theft of bayonet lamps : en fr
  • GB399726A - Improvements in and connected with bottle closure cap releasing means and caps associated therewith : en
  • GB399727A - Improvements in and relating to the mounting of mirrors : en
  • AU896532A - An improved process forthe treatment of fibrous plants forthe recovery ofthe fibres thereof : en
  • GB399627A - Improvements in and relating to collapsible boxes : en
  • GB399606A - Improvements in flexible shaft couplings, particularly for use on aircraft : en
  • FR753321A - Improvements to tires for vehicles and more particularly to those for rail vehicles : en fr
  • DE585723C - Device for monitoring the overloading of continuously working thickeners and similar machines : de en
  • DE585979C - U-shaped sealing tape for cans and cans that can be joined together by soldering. like : de en
  • IE12749L - Manufacture of floor coverings : en
  • US1930458A - Oscillation generator : en
  • GB399656A - Improvements in the braking of gravity driven machines : en
  • IE12736L - Moulding concrete articles : en
  • FI15451A - The provisions of this Regulation shall apply : en fi
  • DE585720C - Box ejector on filling and closing machines : de en
  • US1929463A - Razor blade stropper : en
  • US1929868A - Cellulose derivative having alpha strong affinity for acid dyestuffs, and alpha process of making same : en
  • DE585835C - Device for planing forwards and backwards on long planing machines with a steel holder that can be rotated by 180 : de en
  • US1929704A - Time lock mechanism : en
  • US1929726A - Electric valve converting apparatus : en
  • US1929953A - Manufacture of hydraulic cement : en
  • US1930087A - Apparatus for and method of operating gaseous electric discharge devices : en
  • FR753336A - Diaphragm : en fr
  • FR753383A - Condensing device applicable in particular to refrigeration machines : en fr
  • US1929690A - Aircraft propulsion : en
  • US1929755A - Electrical machinery : en
  • US1930174A - Portable vulcanizing device for repairing vehicle tires and other articles composed partly or wholly of rubber : en
  • US1930343A - Clamp tightening machine : en
  • US1929601A - Duplicating sheet : en
  • US1929869A - Quick-change chuck : en
  • US1929970A - Automatic textile machine : en
  • CA336309A - Construction of trestles, piers and cofferdams : en fr
  • CH164631A - Liquid level indicator. : de en
  • CH164734A - Process for the preparation of a new sulfonic acid. : de en
  • US1930028A - Panel board and cabinet : en
  • US1930180A - Sink cabinet : en
  • CH164485A - Apparatus for joining pieces of pipe. : de en
  • US1929491A - Shaft and seal assembly : en
  • AT134833B - Austenitic chrome-nickel steel alloys. : de en
  • AT134943B - Photoelectric batteries. : de en
  • CH164522A - Process for the manufacture of preparations of starch degrading enzymes. : de en
  • FI15467A - Kuvert, portfölj eller liknande omhölje : en fi
  • GB399587A - Improvements in or relating to coin selecting devices : en
  • US1929433A - Container : en
  • US1929826A - Safety casing head : en
  • CA336307A - Electrical precipitation apparatus : en fr
  • AT134831B - Screw socket. : de en
  • CH164640A - Rotary switch with leaf spring tilt lock. : de en
  • CA336264A - Shoe filler heater : en fr
  • CA336321A - Telephone testing arrangement : en fr
  • CH164705A - Tube closure. : de en
  • US1930183A - Automatic train pipe connecter : en
  • US1930307A - Map holder : en
  • DE585641C - Aircraft with a fuselage, the part of which is folded behind the wings around a horizontal or vertical axis : de en
  • CH164552A - Flash powder. : de en
  • DE585686C - Tubular screen for the use of X-rays : de en
  • US1929458A - Drilling mechanism : en
  • US1929930A - Wire binding and tying machine : en
  • DE585983C - Crockery chain thread monitor : de en
  • CH164726A - Screw with rotatable wings. : de en
  • DE585775C - Expansion compensator for pipes : de en
  • CH164636A - Plug for multi-pole connection cables. : de en
  • US1930268A - Scale bearing : en
  • US1930353A - Proportional control apparatus : en
  • US1929931A - Cathode for electron discharge devices : en
  • US1930222A - Lubricating apparatus : en
  • DE585126C - Device to adjust a display device by a combination of current pulses : de en
  • DE585982C - Grate for small coal to be inserted in the heating shafts of ring ovens, ring ovens and methods for using the grates : de en
  • CA336365A - Saw : en fr
  • CH164652A - Spark gap device. : de en
  • FR753304A - Electric theft-prevention switch device for automobiles and the like : en fr
  • GB399586A - Automatic typewriting machine : en
  • US1929801A - Cutting tool : en
  • US1929681A - Elevator control system : en
  • US1930247A - Method of treating clay : en
  • CA336285A - Luminous tube : en fr
  • USD90862S - Design for a shoe : en
  • US1929618A - Radiator : en
  • US1929410A - Cyclonic cooling tower : en
  • US1929695A - Method of forming metal bars for screen frames : en
  • US1929701A - Hub cap : en
  • US1929748A - Spark plug : en
  • US1930164A - Animated display device : en
  • USD90846S - Design fob a headdress : en
  • US1930235A - Carton : en
  • AT134813B - Preparations for the production of waterproof cement and mortar compounds. : de en
  • CH164465A - Flower planter. : de en
  • CA336243A - Scaffold pole connecting device : en fr
  • CA336221A - Cellulose product manufacture : en fr
  • CA336282A - Filament production : en fr
  • US1930403A - Gas or vapor pump : en
  • AT134904B - Switching arrangement for power surge transmission in telephone systems. : de en
  • GB399665A - Improvements in rotary gas pumps : en
  • CA336330A - Electrolytic condenser : en fr
  • US1930212A - Sick room jacket : en
  • AT134873B - Warp knitting machine. : de en
  • US1929548A - Snowplow attachment for motor trucks : en
  • US1930388A - Process for hardening alloy steels : en
  • US1930095A - Pottery product : en
  • US1929714A - Electrical measuring instrument : en
  • US1930292A - Bread slicing machine : en
  • US1929947A - Cable signal repeater : en
  • US1929595A - Sound intercepting ventilator : en
  • US1930019A - Massage device : en
  • AU958432A - Improvements in moving picture photographic printing machines : en
  • CA336357A - Timing mechanism : en fr
  • CH164638A - Electric circuit breaker. : de en
  • AU1045232A - Improved unit of lattice fencing material : en
  • CA336266A - Brake mechanism control : en fr
  • CA336328A - Truss pad : en fr
  • DE585236C - Shoe nailing machine for single and double row nailing : de en
  • GB399567A - Improvements relating to apparatus for measuring thread for sewing machines : en
  • CH164557A - Tongued blank for making cardboard boxes. : de en
  • CA336230A - Bag making machinery : en fr
  • CA336215A - Cushion : en fr
  • CA336344A - Multiple contact plug : en fr
  • US1929808A - Self-locking nut : en
  • US1930112A - Braking apparatus : en
  • US1930274A - Insulating compound : en
  • FR753372A - Control lever : en fr
  • GB399714A - Automatic rifle : en
  • DE585710C - Device for drilling holes in long workpieces, such as flat irons, angle irons, or the like. : de en
  • FR753345A - Sheet pile : en fr
  • AT134837B - X-ray tube. : de en
  • CH164475A - Apparatus for marking and delimiting certain areas such as streets, squares, etc. or parts of them, using white or colored lines. : de en
  • FR753172A - Earth warning indicator : en fr
  • FR753318A - Device for flying devices at high altitudes and intended to isolate the pilot from the atmosphere : en fr
  • GB399604A - Improvements relating to water heating apparatus : en
  • US1930322A - Shielded spabx-pluo : en
  • US1929788A - Cube sugar dispenser : en
  • US1929591A - Treating of lime : en
  • US1929616A - Double compartment ampule : en
  • US1929908A - Card holder : en
  • US1930203A - Pistol holster : en
  • US1930052A - Engine exhaust nozzle : en
  • US1930167A - Method of covering balls : en
  • US1930439A - Apparatus for forming glass parisons : en
  • US1929902A - Borax manufacturing process : en
  • US1929566A - Airplane : en
  • US1929689A - Fixing machine : en
  • US1930021A - Chair : en
  • DE585990C - Gas-filled electric light tubes : de en
  • FR42783E - Magnetic flywheel core : en fr
  • GB399649A - Improvements in and relating to pulleys : en
  • FR753227A - Process for the preparation of grooved tiles : en fr
  • GB399692A - Improvements in or relating to clamped-blade safety razors : en
  • DE585915C - Crusher mill for hard and soft material : de en
  • FR753352A - Ozone producer concentrated by high frequency electric currents : en fr
  • DE585799C - Rotary kiln : de en
  • FI15502A - Anordning vid pressar för pressning av fibröst material : en fi
  • FR753292A - Process for the manufacture of alloys, in particular alloys of precious metals, and for the manufacture of support plates for dental prostheses, carried out according to the same process : en fr
  • GB399696A - Improvements in and relating to machine gun cartridge belts : en
  • US1929874A - Prevention of parasitic oscillations : en
  • US1930333A - Protective arrangement : en
  • CA336367A - Filtration material : en fr
  • DE577523C - Explosion impact tool : de en
  • CA336294A - Annunciator : en fr
  • CH164481A - Water heater. : de en
  • CH164542A - Process for the processing of products which have been manufactured using gelatinized nitrocellulose. : de en
  • CH164544A - Process for the preparation of p-chlorobenzotrifluoride. : de en
  • CA336278A - Fuse : en fr
  • AT134812B - Process and apparatus for generating low-carbon and high-heat double gas from young, water-rich fuels, such as lignite, lignites, peat or the like. : de en
  • AU911732A - An improved lifting device for disc cultivators and similar agricultural implements : en
  • CH164632A - Starting and regulating device for refrigeration systems with turbo compressors. : de en
  • CH164533A - Mobile slaughter table. : de en
  • US1929483A - Autographic register : en
  • US1930181A - Theftroof fan mounting bracket : en
  • US1930289A - Synchronous motor clock : en
  • US1930419A - Ring for pistons of engines, pumps, and the like : en
  • US1930325A - Closure sealing apparatus : en
  • US1930390A - Wind driven unit : en
  • US1929671A - Grape crusher and stem separator : en
  • CH164497A - Flooring. : de en
  • AT134823B - Roller for accounting and typewriters. : de en
  • AT134949B - Arrangement for the automatic reversing of DC motors. : de en
  • US1929544A - Rubber compound and method of making the same : en
  • US1930031A - Display container : en
  • CH164621A - Guide cross on needle nozzle inlets of free jet turbines. : de en
  • US1929731A - Calendar : en
  • US1929744A - Thread-tensioning device : en
  • US1929862A - Finger grip mechanism : en
  • US1930043A - Baggage : en
  • USRE18966E - Controlling device for brake cams : en
  • AT134838B - Control device for machines for evaluating punched cards or strips. : de en
  • AT134863B - Mortar carts. : de en
  • CH164710A - Vehicle frames, in particular for motor vehicles and motor vehicle trailers, with two-axle wheel frames, the wheels of which are carried by spring-loaded rocker arms. : de en
  • CA336242A - Stove with fuel container : en fr
  • CH164708A - Drawbar, in particular for mowing machines. : de en
  • US1929648A - Frame spacer for beehives : en
  • CA336334A - Gas processing apparatus : en fr
  • GB399747A - Improvements in devices for washing clothes : en
  • US1930455A - Method of and apparatus for proportioning flowing fluids : en
  • CH164548A - Process for the preparation of a dye of the anthrapyridone series. : de en
  • CH164717A - Large capacity wagons. : de en
  • DE585996C - Corner connection for hollow pressed board frames for iron vessels, especially railway wagons and conveyor wagons : de en
  • CA336235A - Horseshoe : en fr
  • US1929885A - Internal combustion engine : en
  • AT134855B - Method and machine for multi-colored spraying of fabric u. like. tracks. : de en
  • GB399829A - Improvements in bakers' ovens : en
  • US1930046A - System for the transmission and reception of radiant energy : en
  • US1930282A - Shock absorber : en
  • US1929559A - Process of coating and product thereof : en
  • US1930169A - Rendering : en
  • USD90857S - Design for a bottle opener : en
  • CH164462A - Motor mower. : de en
  • US1929825A - Illuminable sprinkler : en
  • US1929923A - Permeable diaphragm : en
  • US1930016A - Mining machine : en
  • US1930336A - Fourdrinier belt : en
  • US1929456A - Carton structure : en
  • US1929716A - Clutch plate : en
  • US1929643A - Valve : en
  • AT134842B - Crawler chain drive, especially for small vehicles such as wheelbarrows and the like. like : de en
  • US1929497A - Method of locking wires and locking tool for use therein : en
  • CA336279A - Superheterodyne radio receiver : en fr
  • CA336369A - Dyestuff : en fr
  • US1929733A - Tightness device : en
  • US1930315A - Flash lamp : en
  • US1930397A - Knitted stocking : en
  • CA336229A - Heating device for rotary furnaces : en fr
  • CA336341A - Fuel supply system : en fr
  • CH164590A - Box with apertures for timepiece. : en fr
  • FR753334A - Fuel nozzle for internal combustion engines : en fr
  • FI15464A - For the purposes of this Regulation, the provisions of this Regulation shall apply : en fi
  • FR753343A - Main beam of endless belt machine carrier : en fr
  • GB399686A - Improvements in or relating to electric fusible cut-outs : en
  • USD90845S - Design for a chandelier : en
  • CH164637A - Junction box. : de en
  • FR753213A - : fr
  • CA336310A - Fuel gas processing : en fr
  • AT134912B - Göpel. : de en
  • CH164513A - Sewing machine for creating straight stitches and zigzag stitches by means of a sideways moving needle : de en
  • US1929453A - Synthetic rubber-like composition and method of making same : en
  • US1930010A - Method of recovering blast furnace flue dust : en
  • US1930063A - Reversible pressing board and stand therefor : en
  • US1930109A - Match container : en
  • US1930144A - Photographic film spool : en
  • US1930309A - Apparatus for spreading hot asphalt : en
  • US1930351A - Process of preparing 1.4-diaminoanthraquinone : en
  • US1930201A - Air intake manifold for use on diesel engines : en
  • US1930316A - Method and apparatus for mounting filaments on the conductive supports of electric incandescent lamps : en
  • US1929683A - Garter and clasp therefor : en
  • CA336280A - Thermionic valve and circuit : en fr
  • US1929767A - Brake arrangement : en
  • US1929786A - Preparation of chondroitin compounds : en
  • US1930048A - Revolving display sign : en
  • US1930101A - Socketed wall : en
  • US1930205A - Production of tri-sodium phosphate : en
  • US1929639A - Device for grinding and polishing cylinders : en
  • US1929845A - Radio aerial : en
  • US1930077A - Cloth inspector : en
  • US1930329A - Spring coiling machine : en
  • US1930191A - Tube : en
  • DE585905C - Friction gears, especially for the loading device of automatic scales : de en
  • AT134883B - Braid holder. : de en
  • CH164664A - Burner for liquid fuel. : en fr
  • DE585789C - Hand loom : de en
  • DE585781C - Writing board with exchangeable writing surface : de en
  • CH164673A - Device for the electrical treatment of the scalp. : en fr
  • CH164728A - Device for baking and frying food. : de en
  • US1929679A - Lock : en
  • US1929889A - Furnace : en
  • GB399546A - Improvements in or relating to drum winding machines for yarn or the like : en
  • US1929451A - Pump : en
  • CA336224A - Cellulose product manufacture : en fr
  • CH164486A - Push-button control device for flushing the toilet bowls. : en fr
  • CA336298A - Scale bearing : en fr
  • US1929431A - Constant current regulator for alternating current : en
  • AT134918B - Control of arc rectifiers. : de en
  • CA336245A - Sorter or separator : en fr
  • DE585940C - Expandable and compressible multi-conductor power cable : de en
  • DE586015C - Fitting with tightening surface for connecting furniture parts : de en
  • DE585423C - Manufacture of potash : de en
  • AT134805B - Scattering device for spices or the like. : de en
  • CH164684A - Sorting machine. : de en
  • US1929712A - Gas scrubber : en
  • US1929919A - Dough processing mechanism : en
  • US1929927A - Method of and system for leaching material : en
  • US1929985A - Universal lock mechanism : en
  • CH164648A - Electrical regulator with intermittently contact-closing parts. : de en
  • US1929725A - Electric valve converting apparatus : en
  • FR753322A - Apparatus specific to the study of elementary cosmography : en fr
  • US1929968A - Dispensing cabinet : en
  • AU946132A - Improvements in cupboard locks and the like : en
  • CA336204A - Sewage tank : en fr
  • US1929673A - Collapsible mandrel : en
  • US1930290A - Arc welding apparatus : en
  • US1929492A - Electric switch : en
  • US1930454A - Power-transmission mechanism : en
  • US1930170A - Apparatus for producing curved edged figures in relief in stone and the like : en
  • CA336373A - Acetic acid : en fr
  • AT134880B - Loading device for the drafting systems of roving. : de en
  • USD90839S - Design for a hypodermic needle : en
  • US1930044A - Cleaning mitt : en
  • US1929888A - Glaze breaker : en
  • US1929916A - Apparatus for removing alpha covering from alpha core : en
  • US1930251A - Ceiling : en
  • US1930324A - Covered container : en
  • US1929408A - Coking of agglomerates : en
  • US1929720A - Electric power converting apparatus : en
  • US1929794A - Collapsible tube closure : en
  • CH164712A - Anti-skid chains for motor vehicles, in particular automobiles. : de en
  • CH164461A - Self-propelled reversible plow with cutting hollow disc. : de en
  • AT134944B - Glow oscilloscope tube. : de en
  • US1929442A - Process for obtaining orthophosphoric acid and/or conversion products thereof : en
  • US1929816A - Photographic border-printing frame : en
  • US1929830A - Hot-well preheater and condenser for locomotives : en
  • CA336319A - Flue hole stop : en fr
  • US1929624A - Chemical apparatus : en
  • GB399858A - Improvements in and relating to delivery valves of reciprocating pumps : en
  • US1929422A - Telephone system : en
  • US1929734A - Mail box : en
  • AT134808B - Tiltable payment tray. : de en
  • US1930081A - Light support : en
  • CH164699A - Metal inlay in the shape of a horseshoe for horseshoes made of elastic material. : de en
  • AT134877B - Copy device for billing forms or the like. : de en
  • CH164569A - Collapsible ski. : de en
  • US1929774A - Lubricating apparatus : en
  • US1930271A - Manufacture of aluminates : en
  • GB399728A - Improvements in or relating to lawn mowers : en
  • GB399837A - Improvements in arrangements for the control of electric motors equipped with series field windings : en
  • CA336318A - Salesbook register : en fr
  • DE585792C - Device for winding springs : de en
  • CA336206A - Paper stock separator : en fr
  • US1929600A - Tool : en
  • DE585398C - Dry planographic printing process in which a printing plate is written on directly or provided with a print image produced in transfer printing ink by means of transfer : de en
  • DE585936C - Method of packaging cigarettes : de en
  • DE585975C - Film switching device for roll film cameras : de en
  • DK47854C - Absorption Refrigerator with Working Media Contents. : da en
  • DE585828C - Fruit pickers : de en
  • CA336275A - Ammonia decomposing apparatus : en fr
  • USD90858S - Design for an advertising lamp : en
  • FR753262A - Magnetically driven independent axis periodic electro-magnetic motor movement, used as automatic film drive : en fr
  • DE585918C - Device for generating a mercury level on films for attachment to cameras and copiers for color photography according to the Lippmann method : de en
  • FI15465A - Gaffel och sätt för tillverkning av ryor m.m. : en fi
  • DE585878C - Driving wheel : de en
  • DK47853C - Filter for air purification with a rotating band composed of filter elements. : da en
  • US1930122A - Gaseous electric discharge device : en
  • USD90854S - Design fob a neckpiece for a woman s : en
  • CH164686A - Telecommunication system with several stations on one line. : de en
  • DE584387C - Process for the production of real colored lacquers and plastic bodies : de en
  • GB399555A - Improvements in the construction of wings for aircraft : en
  • FR753309A - Improvements made to direct current electric motors, in particular those for traction : en fr
  • GB399806A - Improvements in or relating to protective systems for sectionalised electric supply networks : en
  • US1929514A - Superheater : en
  • US1930108A - Separator : en
  • US1930443A - Process of making combustible gas : en
  • FI15490A - Sewing needle for metal wire : en fi
  • FR753272A - Distribution and regulation for stationary piston steam engines : en fr
  • DE585599C - Device for intensity control of cathode ray tubes used for television, sound film, picture telegraphy or the like : de en
  • CH164534A - Process for sterilizing all types of food. : de en
  • US1929793A - Switch : en
  • GB399637A - Improvements in or relating to latches or catches for doors and the like : en
  • GB399767A - Improvements in and relating to photo-electric relay apparatus : en
  • FR42778E - Television method and apparatus : en fr
  • GB399570A - Improvements in indicators for scoring games : en
  • DE585914C - Process for the production of silver coatings on pellets from phenol-aldehyde condensation products : de en
  • GB400172A - Material for frictional members, bearings, driving gear and the like and method of producing same : en
  • DE585832C - Process for the production of iron enamel : de en
  • FR753228A - Method and device for selective radio transmission and reception, either direct or indirect, of electro-mechanical controls with multiple doors : en fr
  • GB399786A - Improvements in and relating to the production of pictures in colours : en
  • FR42754E - Box spring daybed arranged in bed wood : en fr
  • GB399564A - Improvements in or relating to rolls for pilger rolling mills : en
  • FR42755E - System for regulating sound and talking cinematographic devices and application of this process to these devices : en fr
  • FI15492A - Eldhärdiga bräder av trämassa eller dylika fibrer velvet förfaringssätt för deras tillverkning : en fi
  • FR753331A - Spark plug improvements for internal combustion engines : en fr
  • FR753375A - Process for treating fruits with a view to integrating the taste and fragrance of these fruits by feeding the epithelial cells : en fr
  • CA336251A - Windwheel governor : en fr
  • CH164724A - Plane. : en fr
  • US1929415A - Manufacture of welded spiral pipe : en
  • US1930340A - Composite silica article and method of fabricating same : en
  • DE578773C - Process for operating gas-air-oxygen burners : de en
  • DE585209C - Machine for mass determination of the volume of round wood : de en
  • FR753177A - Method to increase the speed of detection of fire sources : en fr
  • FR753202A - Billiards : en fr
  • DE585806C - Detachable handle attachment device with a rubber sleeve that fits into the handle hole : de en
  • US1929603A - Manufacture of rubber goods : en
  • US1930118A - Bearing construction : en
  • US1929640A - Electromagnetic device for oscillating the headlights of motor vehicles : en
  • US1930182A - Valve stemless inner tube, self-sealing section and the like : en
  • AT134806B - Extending table. : de en
  • CA336299A - Flexible shaft coupling : en fr
  • FR42794E - Grating machine : en fr
  • FR42757E - Production of aromatic sulfodicarboxylic acid esters : en fr
  • GB399857A - Improvements in and relating to driving belts : en
  • FR753335A - Process and device for the treatment of petroleum oils or other hydrocarbons in the presence of catalysts : en fr
  • GB399674A - Improvements in or relating to knives, chisels, and the like spatula shaped hand tools and devices : en
  • US1929700A - Bracket for resiliently supporting electric cables : en
  • US1930006A - Means for cleansing waste lubricating oils : en
  • US1930220A - Liquid cooling apparatus : en
  • FR753324A - Retort charging machine : en fr
  • USRE18968E - Well strainer and process of : en
  • CH164498A - Suspension device for frameless mirrors. : de en
  • US1929857A - Auto pneumatic spring for vehicles : en
  • US1929940A - Strand distributor : en
  • US1930262A - Sorting machine : en
  • AT134897B - Elastic joint coupling. : de en
  • AU950932A - Improvements in or relating to electrical condensers : en
  • CH164669A - Investment material for dental purposes. : de en
  • US1930054A - Purification of organic acids : en
  • US1930320A - Emasculatome : en
  • US1929510A - Filter : en
  • US1929949A - Carbonator : en
  • US1929978A - Chest for flatwork ironer : en
  • US1929653A - Device for manufacturing hollow paper bodies from aqueous fibrous pulp after the couching method : en
  • US1929884A - Fluid dispensing device : en
  • US1929946A - Sanding machine : en
  • DE574036C - Passage trap nest : de en
  • DE586020C - Hyperboloid cooling tower : de en
  • USD90850S - Design fob a chair : en
  • DE585664C - Instrument for examining boreholes : de en
  • DE585861C - Detachable connection of braced support legs to mounts : de en
  • FI15514A - Automatic branding system : en fi
  • US1929443A - Process for obtaining alkali metal phosphates : en
  • US1929702A - Tank gauging hatch : en
  • DE585171C - Rail vehicle with end axles controlled by the middle bogie : de en
  • DE585497C - Device for heat exchange between solid and liquid substances on the one hand and gaseous substances on the other : de en
  • CA336359A - Volume control circuit : en fr
  • US1929922A - Game apparatus : en
  • US1929984A - Meter movement : en
  • US1930003A - Spark plug : en
  • US1930410A - Reversing rolling mill : en
  • CA336316A - Paper making machine : en fr
  • US1929419A - Rock drilling device : en
  • US1929912A - Dyes of the pyranthrone series : en
  • FR753313A - Fan installation method for air-cooled engines and especially for motor vehicles : en fr
  • AT134845B - Sheet metal bodies for electrical machines and apparatus. : de en
  • AT134941B - Device for alternating activation of several circuits. : de en
  • DE585773C - Protection device for the cutting unit of mowing machines : de en
  • GB399645A - Improvements in electric signalling systems : en
  • US1930267A - Testing and adjusting device : en
  • GB399562A - Improvements in or relating to an ingot mould for the production of steel ingots : en
  • FI15468A - Window washer : en fi
  • GB399695A - Improvements in or relating to electric circuit breakers having arc-extinguishing structures : en
  • US1929594A - Brake mechanism : en
  • US1930056A - Ice crusher : en
  • FI15488A - Insulation mold for pipes : en fi
  • CH164479A - Evaporation device for radiators and the like. : de en
  • US1929538A - Foundry equipment : en
  • US1929619A - Production of alkali metal aluminates : en
  • US1929626A - Soundproofing picture recording camera : en
  • DE585985C - Automatic roller setting device : de en
  • US1929573A - Process of applying dyes and product thereof : en
  • US1929633A - Frame for building openings : en
  • GB399769A - Manufacture of 6-bromo (or -chloro)-2:4-dinitraniline : en
  • CA336305A - Lard stabilization : en fr
  • GB399557A - Improvements in and relating to radiogoniometers : en
  • US1929954A - Refrigerating apparatus : en
  • US1929835A - Concrete insert : en
  • US1930005A - Wire stretcher : en
  • FR753158A - Product for waterproofing paper : en fr
  • DE585840C - Containers of variable volume : de en
  • CH164539A - Process for the preparation of chloro-2-butadiene-1,3. : de en
  • CH164701A - Tying machine for packaging. : en fr
  • FR42751E - Method and device for remote control of the sectors of a public lighting network : en fr
  • GB399768A - Improvements in bicycle tyre pumps : en
  • DE564561C - Anti-theft protection for vehicles : de en
  • FR753175A - Extending and lifting device for tables replacing wooden slides : en fr
  • GB399548A - Improvements in or relating to frame aerials for wireless reception : en
  • GB400221A - Electrolytic meters or recording devices : en
  • DE585509C - Liquid shock absorbers : de en
  • GB399676A - Improvements in pattern charts for cutting costume coats, dresses and the like : en
  • FR753312A - Device allowing the use of crawler, chain, etc. wheels. on motor cars with closely spaced axles : en fr
  • US1930111A - Furniture construction : en
  • DE585917C - Cross bottom on multi-walled bags or bags made of paper or the like. : de en
  • FI15471A - Specials : en fi
  • FR753190A - Tray for filter press and filters with application : en fr
  • GB399591A - Improvements in or relating to looped fabrics and garments made from the same : en
  • DE586002C - Electric machine, in particular electric high-voltage machine : de en
  • GB399729A - An improved sheet registering mechanism : en
  • GB399736A - Method of and machine for cutting or machining profiled work pieces : en
  • FR753368A - Mixing dosing tank : en fr
  • DE586005C - Coil box for a high voltage transformer, especially voltage transducer : de en
  • GB399778A - Improvements in or relating to a process for the treatment of gases : en
  • DE585748C - Loudspeaker built into a housing : de en
  • DE585827C - Tine with reversible share for soil cultivation equipment with a rotating tine drum : de en
  • FR42788E - Further training in machines for polishing ices, glasses, etc. : en fr
  • FI15455A - Sätt att reducera metaller ur Malmer samt härför warmplig ugn : en fi
  • FR753187A - Rubber preparation process : en fr
  • GB399756A - Improvements in or relating to towing arrangement for aircraft : en
  • GB399730A - Method of and apparatus for conveying pulverulent and finegrained materials : en
  • DE585787C - Side seal for flap weirs : de en
  • DE586007C - Process for the production of finely divided and anhydrous calcium sulphate as paint : de en
  • US1930228A - Apparatus for viewing stereoscopic pictures : en
  • CH164469A - Sealing device on windows, doors and the like. : de en
  • CA336252A - Weight recording machine : en fr
  • US1929974A - Bar and holder for laundry markers : en
  • US1930317A - Shock absorber : en
  • US1930389A - Garment buckle : en
  • CA336270A - Liquid gravity recorder : en fr
  • DE586019C - Detention cell, especially for police stations : de en
  • FR753317A - Sowing machine : en fr
  • CA336255A - Washing machine : en fr
  • CA336363A - Aircraft : en fr
  • US1929762A - Filing system and apparatus therefor : en
  • CA336311A - Ammonia and hydrogen sulphide removal from gases : en fr
  • CH164605A - Process for the production of shaped pieces with straight, angular or double curved surfaces. : de en
  • US1930114A - Diaper : en
  • US1929494A - Hand protector : en
  • US1930134A - Cellulose organic ester composition containing propylene chloride : en
  • CH164579A - Weighing device with device for controlling machines. : de en
  • US1929964A - Scythe snath : en
  • AT134948B - Safety device on systems for converting direct current into three-phase current with the aid of controlled rectifiers. : de en
  • US1929750A - Hose fitting for fluid pressure systems : en
  • US1929646A - Steering mechanism : en
  • US1929859A - Photo-electric cell controls for highway barriers : en
  • US1930311A - Display stand : en
  • CA336249A - Raining plant : en fr
  • CH164510A - Method and device for the production of rod warp pile fabrics. : de en
  • FR753337A - Printing machine : en fr
  • DE585825C - Procedure for measuring the internal energy absorption of materials under periodic loading : de en
  • CH164553A - Process for producing firmly adhering, pore-free, hammerable nickel layers on iron and steel. : de en
  • DE585564C - Aircraft controls : de en
  • US1929787A - Pole piece : en
  • US1929508A - Semiautomatic photographic cabinet : en
  • DE585829C - Device for holding a milking catheter in the teat : de en
  • US1930335A - Film receptacle : en
  • CH164496A - Device for suspending an instrument, in particular applicable to brushes and brooms. : en fr
  • USD90841S - Design fob a tire : en
  • US1929536A - Plumbing fixture : en
  • US1929735A - Process for preserving eggs : en
  • US1930157A - Radiator seal : en
  • US1930050A - Metallic ventilated cap for smoke stacks : en
  • US1930125A - Contact process for the manufacture of sulphuric anhydride : en
  • DE585968C - Double steel holder, in which the steel bars are held adjustable in the steel holder housing in rotating rollers : de en
  • FR753295A - pin : en fr
  • US1930210A - Process for preparing hexameth : en
  • CH164720A - Pressurized fluid braking device. : en fr
  • CH164524A - Washing machine with pendulum rotating movements executing washing vessel. : de en
  • CH164624A - Energy system in which a high pressure steam system is connected upstream of a low pressure steam system. : de en
  • CH164703A - Self-locking container closure, in particular for tubes for storing pasty substances. : de en
  • CA336244A - Brake and clutch pedal pad : en fr
  • US1929871A - Parquet flooring : en
  • US1929892A - Carriage window : en
  • US1930059A - Hydraulic power transmission mechanism : en
  • US1929551A - Combined typewriter stand and desk : en
  • US1929480A - Bathtub : en
  • US1930065A - Artificial tooth : en
  • US1929412A - Container : en
  • US1929710A - Production of phosphatic fertilizers : en
  • US1929905A - Packing gland : en
  • US1930168A - Portable saw table : en
  • USD90842S - Design fob a tire : en
  • CH164687A - Telecommunication system. : de en
  • US1929799A - Combined scarifier and scraper for trucks : en
  • US1929761A - Manhole closure : en
  • CH164656A - Electromagnetic relay with low and high voltage contacts. : de en
  • US1930424A - Glass sheet-forming apparatus : en
  • US1929484A - Control for power mechanism : en
  • US1930250A - Core structure : en
  • US1930446A - Electrode coating apparatus : en
  • US1929661A - Electron tube : en
  • AT134887B - Steam generator. : de en
  • DE585515C - Device for the quick drying of liquids : de en
  • DE585956C - Temperature regulator, especially for electrically heated devices : de en
  • CH164723A - Watercraft. : de en
  • FI15449A - Porous vent piece, especially for venting fermentation fluids : en fi
  • US1930011A - Compressor and the like : en
  • FR42791E - Control system for automatic weighing instruments : en fr
  • GB399544A - Improvements in or relating to portable building structures : en
  • FR42781E - Improvements to rotary bottle capping machines : en fr
  • FR753379A - Improvements made to devices for mounting objects such as ashtrays, bouquet holders, etc., on a support, for example the dashboard of motor vehicles : en fr
  • FR753395A - Wedge that can replace two different corners : en fr
  • US1929474A - Telephone system : en
  • US1930002A - Windshield attachment : en
  • US1930346A - Sucker rod joint and method of making the same : en
  • US1930053A - Catalytic removal of hydrogen or oxygen containing groups from organic compounds : en
  • US1930027A - Valve mechanism : en
  • DE585592C - Suspender rib with elastic core : de en
  • DE551216C - Holder for headlights : de en
  • CA336272A - Tube making method : en fr
  • DE505240C - Process for the production of alkali-free, neutral annalin : de en
  • FI15515A - Kippanordning för lastautomobiler : en fi
  • CH164503A - Device for squeezing salad and other foods. : en fr
  • CA336231A - Centrifugal machine : en fr
  • US1930103A - Container : en
  • US1929999A - wilson : en
  • GB399668A - Improvements in or relating to match delivering and igniting devices : en
  • US1930200A - Automatic control of internal combustion engines : en
  • US1930242A - Box support : en
  • US1929997A - Compressor or pump : en
  • DE585912C - Screw drive for converting one rotary movement into another : de en
  • AT134946B - Device for mechanical and electrical sound reproduction. : de en
  • US1929796A - Flexible spring shackle mounting : en
  • US1929715A - Current indicator : en
  • US1930380A - Supporting surface for aircraft : en
  • US1929802A - Method of forging cylinders for airplane motors : en
  • US1930064A - Condensate removal apparatus : en
  • US1930194A - Pipe coupling : en
  • FI15521A - Emballage for the first and second class : en fi
  • US1929630A - Landing gear for aircraft : en
  • CA336218A - Chuck : en fr
  • CH164657A - X-ray facility. : de en
  • FR42760E - Retaining and stapling device for extension table slides : en fr
  • GB399648A - Method of protecting meat and other perishable commodities from deterioration during storage : en
  • GB399772A - Process for removing iron from acid solutions of aluminium salts : en
  • DE585897C - Process for the preparation of o-oxyazo dyes : de en
  • GB399683A - Plate conveyor for foundry moulds and other industrial purposes : en
  • USD90835S - Design fob a shoe sole : en
  • FR753169A - Mounting of detectors : en fr
  • DE573890C - Process for the production of pipe bends or the like. : de en
  • USD90848S - Design foe a stand pedestal : en
  • CA336210A - Razor stropping device : en fr
  • CH164561A - Drive device on machines for casting stereotype plates or for back-casting of galvanos. : de en fr
  • US1929435A - Variable pitch and reversible propeller : en
  • US1929577A - Method of making rosin size : en
  • FR42775E - Improvements made to wheels with removable rims : en fr
  • GB399717A - Process for cleansing articles of metal and the like by means of volatile solvents and apparatus therefor : en
  • AT134896B - : de en
  • CH164530A - Cotton swab for milk filter. : de en
  • FR753328A - Improvements to the arrangement of accumulator batteries : en fr
  • GB399735A - Improvements in tubular heat-exchange apparatus for heating or evaporating fluids : en
  • GB399697A - Improvements in or relating to the formation of roll edges on mattresses : en
  • US1929852A - Hydraulic belt tightener : en
  • DE585802C - Process for preparing crepe yarn for knitting and similar machines : de en
  • US1929724A - Electric valve converting apparatus : en
  • FR753281A - Improvements to air-cooled water radiators : en fr
  • FR753356A - Signaling and tracking device for floating or sunken objects : en fr
  • GB399531A - Improvements in devices for massaging and other medical uses : en
  • FR753305A - Oblique rolling mill for the production of thin-walled tubes by longitudinal drawing of hollow bodies : en fr
  • GB399588A - Improvements in engine starters : en
  • GB399826A - Process of and apparatus for purifying liquids which have been used for washing textile materials : en
  • FR753225A - Improvements to the production processes of a precipitated basic alum : en fr
  • GB399818A - Process for the manufacture of quinoline-8-azo compounds of the quinine series : en
  • FR753153A - Board game : en fr
  • GB399800A - Improvements in treating yarns : en
  • US1929784A - Machine for lining can ends with alpha sealing compound : en
  • US1930407A - Tobacco stemming machine : en
  • FR753192A - Projector device for artificial pigeons : en fr
  • US1929421A - Automatic disconnecter : en
  • US1929909A - Manufacture of die blocks and the like : en
  • FR753363A - Electric motor using the kinetic energy of gas ions : en fr
  • DE585286C - Motor generator for driving gyroscopes with a large momentum : de en
  • FR753357A - Improvements to kymography devices : en fr
  • FR753223A - Closing system more particularly applicable to goat skin gourds : en fr
  • GB399704A - Improvements in and relating to thread-trimming devices for buttonhole sewing machines : en
  • FR753203A - Single-wheel skate with straight walking : en fr
  • FR753307A - Push-in fitting, especially for flexible pipes : en fr
  • GB399628A - Improvements in or relating to devices for measuring spring pressure for use in conjunction with electric contact-making relays, switches, or the like : en
  • GB399718A - Improvements in and relating to the production of hydrocyanic acid : en
  • GB399843A - Improvements in or relating to wireless aerials for use on short waves : en
  • CH164545A - Process for the preparation of a chloranthraquinone carboxylic acid. : de en
  • US1929550A - Shoe shaping machine : en
  • US1929973A - Valve construction : en
  • US1930037A - Ice cream dispenser : en
  • AT134826B - Electric tube. : de en
  • US1929471A - Furniture : en
  • US1929696A - Restoring device for clinical thermometer receptacles : en
  • US1929607A - Ladle structure : en
  • US1929773A - Control mechanism for tractor driven implements : en
  • US1929691A - Process for drying oleaginous seeds : en
  • US1929760A - Cashier's window guard : en
  • US1930113A - Pressure measuring instrument : en
  • US1930306A - Reflecting bioscope attachment for optical instruments : en
  • US1930456A - Method of and apparatus for heating flowing fluids : en
  • US1929437A - Drying and preserving process for fruits and vegetables : en
  • DE585857C - Horizontal circle attachment for machine guns for anti-aircraft defense : de en
  • FR753238A - Alarm signal : en fr
  • CA336269A - Dichromate manufacture : en fr
  • US1930406A - Tobacco stemming machine : en
  • GB399679A - Improvements in devices for preparing fuel-air mixtures for internal combustion engines : en
  • US1929672A - Elevator buffer : en
  • DE585718C - Device for grinding safety razor blades on the inside of a glass o. : de en
  • FR753215A - Improvement brought to the automatic brake's high flow control valve : en fr
  • GB399812A - Improved sheet material for gaskets and other purposes and process of making the same : en
  • CH164718A - Control device for bogies. : de en
  • US1929921A - Apparatus for removing alpha covering from alpha core : en
  • US1930331A - Metal surface finish : en
  • CA336291A - Steam heating system : en fr
  • CA336315A - Calcium nitrate double salt : en fr
  • US1930374A - Edge guard : en
  • CH164620A - Circulating pump. : de en
  • GB399558A - Apparatus for comparing photographic transparencies : en
  • CH164709A - Device for coupling a trailer comprising a single axle movable around a vertical axis with a towing vehicle. : en fr
  • CH164663A - Pilot burner device. : de en
  • AT134905B - Multiple break switch with hollow contacts. : de en
  • CA336355A - Rand forming machine : en fr
  • CH164555A - Process for the burnishing of objects and parts made of iron and iron alloys. : en fr
  • US1929482A - Loose leaf binder support : en
  • US1929610A - Thermostatic liquid flow control device : en
  • US1930013A - Multiple drilling machine : en
  • US1930288A - Synchronous motor clock : en
  • US1930437A - Method of compounding oil-resistant rubber stock and product made thereby : en
  • US1929531A - Windshield construction and cleaner therefor : en
  • US1930128A - Rigid filter medium : en
  • AT134893B - Crankless motor compressor with two counter-rotating free-flight pistons. : de en
  • DE585757C - Circular knitting machine with plating device : de en
  • FR753314A - Manufacturing process of sheet materials : en fr
  • US1929507A - Selector arrangement : en
  • US1930213A - Apparatus for preserving orange juice : en
  • CH164464A - Device for collecting tree fruits. : de en
  • DE585362C - Method and device for the production of open and closed double-walled hollow bodies by centrifugal casting : de en
  • DE586008C - Device for monitoring the chain tension in traveling grids : de en
  • FR42769E - Process for protecting lead against corrosion : en fr
  • GB399763A - Improvements in rudders : en
  • US1930394A - Electric apparatus for keeping food hot or heating same : en
  • DK47857C - Procedure for Manufacturing Wood Adhesive. : da en
  • AT134903B - Device for converting electrical vibrations into acoustic vibrations or vice versa. : de en
  • AT134874B - Drive device for drum washing machines. : de en
  • CH164696A - Display stand for stockings. : de en
  • US1930237A - fuller : en
  • US1929425A - Sound absorbing material and method of making the same : en
  • US1929545A - Snap switch and actuator : en
  • US1930270A - Portable telephone set : en
  • US1930373A - Metal spray gun : en
  • US1930256A - Self regulating clock system : en
  • US1930435A - Mercury switch : en
  • CH164601A - Multi-spindle drilling machine. : de en
  • US1930295A - Tubing cutter : en
  • CH164514A - Sewing machine for sewing at least two superimposed lengths of fabric using roll stitches. : de en
  • CH164654A - AC magnet with a high holding force that is almost constant for the duration of a period. : de en
  • US1929477A - Lubricating mechanism for automotive vehicles : en
  • US1930376A - Wheel and bumper shield : en
  • CA336283A - Thiourea manufacture : en fr
  • AT134876B - Process for the production of fabrics. : de en
  • AT134929B - Electric machine with damper coils arranged in radial planes. : de en
  • DE585849C - hinge : de en
  • AT134916B - Switch with extinguishing agent for the cut-off arc, which is pressurized when switching off : de en
  • US1929669A - Control system for automatic substations : en
  • AT134801B - Removable frame. : de en
  • CH164646A - Automatic switch. : de en
  • AT134840B - Control device for machines for evaluating punch cards or tapes. : de en
  • CH164501A - Pad, especially for waste bins. : de en
  • CH164519A - Spinning machine for combining a number of threads, strands, wires or the like. : de en
  • US1929568A - Reel : en
  • US1930415A - Receptacle mat : en
  • DE585892C - Arrangement for connecting capacitors to alternating current networks, especially high-voltage networks : de en
  • USD90837S - Design for a bath room unit : en
  • SE78567C1 - : sv
  • US1929625A - Calculating machine : en
  • US1930195A - Electrolytic aluminum reduction : en
  • US1929666A - Self feeding solder pencil : en
  • US1929674A - Fluid operated pump for wells : en
  • US1930173A - Collapsible furniture toy : en
  • DK47848C - Control device for row cleaners. : da en
  • CH164516A - Thimble. : de en
  • DE585544C - Process for the extraction of copper from solutions obtained by gradually leaching chlorinated roasted gravel : de en
  • DE585880C - Cooker absorber for periodically operating refrigeration machines : de en
  • GB399828A - Method of and means for cleaning ink wells and containers : en
  • DE585483C - Theft protection for motor vehicles : de en
  • US1930155A - Hydraulic press : en
  • US1930001A - Automatic thin place preventer : en
  • US1930258A - Machine to assemble bolt flanges in hub shells and pierce eight rivet holes : en
  • US1930349A - Power press : en
  • CA336219A - Oscillator system : en fr
  • CH164671A - Artificial hand. : de en
  • GB399635A - Improvements in the production of anhydrous ethyl alcohol directly from mashes and the like : en
  • CH164730A - Process for the preparation of a new sulfonic acid. : de en
  • US1930211A - Treatment of hydrocarbon oils : en
  • AT134849B - Device for sterilizing beer. : de en
  • DE585935C - HEPA filters for building gas protection, escape chambers, room filter devices or the like. : de en
  • US1929753A - Lock : en
  • FR753253A - Process for separating carbon dioxide from gases containing it : en fr
  • US1929707A - Conveyer : en
  • US1930326A - Cut-out for incandescent lamps and similar articles : en
  • FR42767E - Convenience store, in particular for motor vehicles : en fr
  • US1929697A - Refrigerating apparatus : en
  • US1929795A - Process for cracking hydrocarbon oil : en
  • GB399594A - Improvements in or relating to brush holders for dynamo-electric machines : en
  • GB399712A - Improvements in and relating to electric fuses : en
  • DE585651C - Suction excavator with a suction pipe that can be raised and lowered on several cable or chain hoists : de en
  • DE585517C - Device for washing two non-soluble liquids in countercurrent : de en
  • DE586016C - Device for heating liquids : de en
  • DE586024C - Scales with automatic price calculation and printing facility : de en
  • CA336239A - Pole stubbing band : en fr
  • CA336300A - Engine starter : en fr
  • FR753311A - Apparatus for fixing metal strips to wooden boards and the like : en fr
  • GB399598A - Improvements in and relating to acoustic apparatus : en
  • FR753173A - Powder against mildew : en fr
  • GB399752A - Improvements in ignition plugs : en
  • FR753306A - Motor vehicle warning device : en fr
  • GB399611A - Improvements in electrical current transformers : en
  • GB399724A - Manufacture of vat-dyestuffs of the anthraquinone series : en
  • GB399754A - Improvements relating to washing-boards : en
  • FR753154A - Automatic air shut-off valve for instant ignition gasoline stoves : en fr
  • GB399652A - Improvements in and relating to mattresses : en
  • GB399720A - Improvements in and relating to burners : en
  • DE585963C - Marking device for window and door frames : de en
  • US1930227A - Shower head : en
  • DE585978C - Front end for agricultural machines : de en
  • DE571373C - Angle measuring device in connection with gyro compasses : de en
  • FR753197A - Narrow gauge tractor : en fr
  • DE585780C - When the trailer hits the towing vehicle, the trailer brake acts : de en
  • FI15472A - Sughuv : en fi
  • FR753168A - Manufacturing process of oxygenated organic compounds : en fr
  • AU945932A - Improved means for trapping and destroying larvae of codlin moths andthe like : en
  • US1929473A - Lever : en
  • US1930150A - Gaseous electric discharge device : en
  • US1930221A - Conversion of hydrocarbons : en
  • DE585822C - Hollow stone wall : de en
  • FR753381A - Improvements made to devices to ensure the temporary connection between two parts, in particular to motor vehicle hood closing devices : en fr
  • CA336368A - Smoke diluting and draft inducing apparatus : en fr
  • CH164614A - Cage-less roller bearing. : de en
  • CH164647A - Automatic liquid starter for electric motor. : en fr
  • DE585759C - Bobbin spinning machine for rayon with bobbin carriers that can be swiveled by 180 ° : de en
  • FR753226A - Illuminated advertising device, especially for indoors : en fr
  • FR753235A - Thermionic amplifier device : en fr
  • AT134907B - Auxiliary device for compressing parts of the patient's body when using X-rays. : de en
  • FI15508A - Method of making health window slides : en fi
  • US1929777A - Sand mulling apparatus for foundries : en
  • US1930105A - Brake operating mechanism : en
  • US1929739A - Method of bronze or brass treatment and application : en
  • US1929911A - Blasting cap : en
  • US1930368A - Valve oiler and silencer : en
  • US1930375A - Swing : en
  • US1929955A - Lubricant : en
  • DE585995C - Process for the production of compounds of caffeine and the hydrochloric acid salts of quinine or the derivatives of cupreine : de en
  • US1930352A - Process of preparing 1.4-aminohy-droxyanthraquinone : en
  • AU947032A - Improvements in and relating to writing pads : en
  • USD90843S - Design for a textile fabric or : en
  • US1930308A - Trunk type hinge : en
  • GB400203A - Improvements in or relating to dynamo-electric units for remote signalling, indicating, or control systems : en
  • DE585616C - Device to prevent a zip line : de en
  • DK47858C - Differential capacitor. : da en
  • US1929448A - Ribbon vibrating and ribbon shifting mechanism : en
  • US1929617A - Ballast removing machine : en
  • AT134928B - Voltage rotating field separator. : de en
  • AT134834B - Adhesive film. : de en
  • GB399675A - Improvements in alarm devices for use in connection with automatic telephone systems : en
  • US1929729A - Electric valve converting system : en
  • US1929804A - Tractor : en
  • USD90861S - Design for a neckpiece for a woman s : en
  • FR753339A - Improvements to control devices for rotary lift elements for airplanes : en fr
  • DE586021C - Process for the production of films from regenerated cellulose with a patterned surface : de en
  • US1929914A - Magnetic brake : en
  • US1930068A - Ribbon reversing mechanism for typewriting machines : en
  • USD90855S - Design for an agitator for a : en
  • DE585767C - Process for sintering substances containing water of hydration : de en
  • FR753284A - Inbuilt and removable front end crowns with removable retaining ring : en fr
  • AT134864B - Device for preventing corrosion and disturbed fermentation and storage processes of the vessel contents, in particular the fermentation and storage vessels in the fermentation industry. : de en
  • CH164591A - Timepiece for timing. : en fr
  • US1930452A - Electric welding apparatus and method : en
  • US1930426A - Speaking device : en
  • GB400201A - A method of securing bed plates or chassis and the like upon or within supporting frames or containers : en
  • DE585873C - Device on wire mesh machines for closing the side edges of square wire mesh : de en
  • DE585934C - Wheel mount with alignment seat attached to the swiveling upper part : de en
  • US1930412A - Apparatus for raising natural oils and other liquids by gaseous pressure : en
  • FR753239A - Simplified control system for motor vehicle gear changes : en fr
  • DE585898C - Dental contra-angle : de en
  • GB399759A - An improvement in or relating to pumps : en
  • DE585630C - Device for testing the transmission parts on steam locomotives : de en
  • DE585894C - Incandescent cathode for discharge vessels : de en
  • DE585923C - Process for the production of two or more colored reflective images : de en
  • DE585951C - Self-actuating rigid steering coupling with movable claws : de en
  • US1929800A - Differential assembly gear flange indicating and correcting device : en
  • US1929928A - Sound reproducing system : en
  • US1929402A - Signaling system : en
  • CH164745A - Device for converting direct current into alternating current by means of grid-controlled discharge vessels. : de en
  • GB399632A - Improvements relating to automatic and semi-automatic telephone systems : en
  • DE585782C - Process for making shoes : de en
  • DK47847C - Hollow Wooden Mast. : da en
  • DE586022C - Elliptical compass : de en
  • CA336314A - Heat exchange unit making apparatus : en fr
  • DE587063C - Process for removing the carbolike odor from soaps bleached with hypochlorous acid : de en
  • FR753397A - Improvements to the combustion chambers of liquid fuel injection engines : en fr
  • GB399719A - Improvements in centrifugal governors for reciprocating engines : en
  • FR753390A - Compensation provision for load imbalances in electrical networks : en fr
  • US1929476A - Process for producing pure phosphates : en
  • US1929988A - Dissolver and shifter for optical systems : en
  • AU966032A - Improvements in and connected with guides for glass feeding apparatus : en
  • CA336274A - Circuit controller : en fr
  • US1930088A - Electrical discharge device : en
  • US1929880A - Process of incinerating and equipment therefor : en
  • US1929995A - Toy : en
  • US1930099A - Dust collecting device : en
  • US1930280A - Lubricating apparatus : en
  • FR753266A - Filament for electric lamps : en fr
  • FR753260A - Rear suspension for bicycles, motorcycles and motor bicycles : en fr
  • FR753255A - Frequency relay set : en fr
  • DE585642C - Power brake device, in particular for motor vehicles : de en
  • FR753243A - Construction process of dwellings or other buildings by serial elements : en fr
  • DE585958C - Absorbable tissue for surgical purposes : de en
  • CH164535A - Process for decaffeinating caffeinated, aqueous extracts. : de en
  • FR753212A - Centrifugal governor, in particular for adjusting the fuel supply in internal combustion engines with injection : en fr
  • GB399841A - Improvements in or relating to colouring photographs : en
  • US1929781A - Casing head valve : en
  • FR753302A - Advanced device for the maintenance of parquet floors : en fr
  • US1929501A - Wheel : en
  • US1929562A - Lubricating can support for motor vehicles, boats, walls, etc. : en
  • US1930441A - Cleaning brush : en
  • GB399641A - Improvements relating to automatic potentiometers and like balancing arrangements and applications thereof : en
  • US1929778A - Propulsion of aircraft : en
  • DE585865C - Seal for slide locks, especially riflemen and lock gates : de en
  • US1929686A - Electric swivel connecter : en
  • FR753380A - Improvements to devices to prevent unauthorized unscrewing of threaded parts, in particular of spare wheel retaining nuts for motor vehicles : en fr
  • DE585882C - Circuit arrangement for telephone systems in which alternating current of a certain frequency is used within the voice frequency range for signaling : de en
  • FR753240A - Improvements to threshing machines : en fr
  • GB399739A - Improvements in or relating to the removal of water from webs of stuff on the fourdrinier wires of paper-making, boardmaking and like machines : en
  • DE585764C - Heating system in which steam and flue gases serve as heat bodies : de en
  • DE586017C - Safety pocket watch stand : de en
  • FR753214A - : fr
  • FR753236A - Process for the combustion of liquid fuels and burner for its application : en fr
  • DE585253C - Process for the production of thin-walled hollow glass bodies : de en
  • FR753264A - Building system : en fr
  • GB399590A - Improvements in and relating to printing machines : en
  • DE585658C - Corrosion of sludge-shaped sulfidic ores : de en
  • DE586014C - Furniture : de en
  • US1929846A - Tracing apparatus : en
  • US1929644A - Retort closure : en
  • DE585724C - Process for glazing, sizing, finishing and melting of textile fibers : de en
  • DE585953C - AC motor with oscillating armature : de en
  • FR753285A - Device ensuring the rational lengthening and shortening of the lever arm of the cycle cranks : en fr
  • US1929665A - Apparatus for dissociating hydrocarbon gases : en
  • DE585530C - Solvent for cellulose esters : de en
  • DE585793C - Process for the production of vinyl chloride : de en
  • US1930107A - Safety valve for acetylene torches : en
  • DE585088C - Tongs on hoists : de en
  • FR753333A - Process for the preparation of coatings for foodstuffs, particularly for meat and fish : en fr
  • GB399629A - Improvements in or relating to variable speed gearing : en
  • CH164512A - Metal reel, especially for web shooters. : de en
  • US1930408A - Production of metal castings : en
  • DE585419C - Process for processing methane or methane-rich gases : de en
  • DE586018C - Facility for dismantling : de en
  • FI15505A - Maneuvering organization for brakes and sea trout : en fi
  • FR42789E - Sleeper compartment : en fr
  • GB399618A - Improvements in or relating to electric fuse isolators : en
  • GB400168A - Improvements in or relating to the treatment of carbohydrates : en
  • GB399701A - Improvements in or connected with fishing trawl nets and floats for same : en
  • US1930186A - Sound reproducing device : en
  • US1930450A - Toy : en
  • FR42768E - Mechanical hand mower : en fr
  • US1929450A - Method of producing milk powder : en
  • FR42796E - Elastic coupling : en fr
  • GB400219A - Improvements in and relating to electrical heating devices for baking or other ovens : en
  • DE585815C - Hand-sewn tip : de en
  • FR42777E - Gas burner : en fr
  • GB399847A - Improvements in or relating to sparking plugs : en
  • DE586006C - Electric hand lamp : de en
  • GB399815A - Improvements in or relating to automatic switches for use in telephone or like systems : en
  • DE585585C - Power converter : de en
  • FR753384A - Cremone refinements : en fr
  • FI15481A - Ojanpiennaraura : en fi
  • GB399608A - Improvements in machines for facilitating the stringing of lawn tennis and like rackets : en
  • FI15524A - Anordning vid vävstolar : en fi
  • DE585854C - Prism riflescope : de en
  • DE585824C - Automatic release device for the auxiliary device for lifting the bags on automatic bagging scales : de en
  • GB399703A - Improvements in or relating to thermionic amplifiers : en
  • GB399790A - Improvements in the manufacture and production of acylamino compounds : en
  • US1930092A - Mercury switch : en
  • US1930405A - Paper reeling machine : en
  • AU950832A - Improvements in or relating to frequency control devices and temperature control means for use therewith : en
  • AT134947B - Process for achieving an almost even load on the feeding network when transmitting power from any given type of current to a single-phase network. : de en
  • CA336289A - Milking machine pulsator : en fr
  • CA336356A - Electrical system protective device : en fr
  • FR753271A - Shatterproof composite glass and process for its manufacture : en fr
  • IE13202L - Internal combustion engines. : en
  • DE585761C - Container for melting glass : de en
  • US1930367A - Shoe sole press : en
  • DE585993C - Device for pressing metal pipes, lead cable shells and the like. like : de en
  • US1929611A - Variable speed drive : en
  • US1929447A - Industrial truck : en
  • USD90851S - Design for a buffet : en
  • DE585998C - Two-part wire or rope clamp : de en
  • FR753170A - anti-theft nut for automobile spare wheels : en fr
  • IS74B6 - Method for the production of hailstones : en is
  • GB399572A - Improvements in or relating to apparatus or plant for cooking or frying foodstuffs : en
  • GB399662A - Improvements in and relating to the construction of dams : en
  • GB399811A - Improvements in or relating to the production of artificial straws or like materials : en
  • GB399757A - Improvements in or relating to heat transfer media : en
  • GB399771A - Improvements in and relating to variable resistances : en
  • FR753232A - Improvements to television sets : en fr
  • DE585644C - Unmanned signaling station for sea and air traffic : de en
  • DE585821C - Hollow stone ceiling : de en
  • DE585916C - Sewing machine for sewing an endless elastic band into tubular workpieces : de en
  • FR753330A - Zinc oxide manufacturing process : en fr
  • GB399655A - Improvements in and connected with apparatus for producing combustible gas from volatile liquid fuels : en
  • DE585798C - Lockstitch sewing machine with a hook that can be rotated around an upright axis : de en
  • FR753161A - Spool with cheeks, in particular for the artificial silk industry, and method for unwinding at the end a thread wound on such a spool : en fr
  • GB399559A - Improvements in or relating to the colouration of materials made of or containing cellulose esters or ethers : en
  • GB399644A - Method of operating internal combustion engines of the type wherein ignition is effected by compression : en
  • US1930387A - Cooling system : en
  • DK47846C - Device for preventing high and low frequency pulses from switching on a glow lamp connected to electron tube arrays in such a way that it prevents the tubes from generating oscillations. : da en
  • GB399595A - Improved apparatus for prevention of theft of bottles and other articles from doorways and the like : en
  • AT134940B - : de en
  • CA336228A - Lead obtaining process : en fr
  • FI15512A - A method of making a toe and back reinforcement of a shoe and a stiffener made therefrom : en fi
  • DE585640C - Metal truss : de en
  • US1929411A - Cooling tower : en
  • US1930278A - Oscillation generator : en
  • US1929872A - Psychological test machine : en
  • CH164564A - Power driven accounting machine. : de en
  • CH164625A - An energy system consisting of a steam generator with low liquid content and a steam engine system that works with intermediate steam extraction. : de en
  • AT134926B - Method for reducing crosstalk in multiple lines where several lines are discussed with the same text at the same time. : de en
  • CH164690A - Sound device. : en fr
  • CH164694A - Illuminated advertising lantern with a device for changing the banners. : de en
  • CH164559A - Office clip. : de en
  • AT134848B - Method for regulating the speed of induction motors. : de en
  • AU847732A - An improved lifting device for disc cultivators and similar agricultural implements : en
  • AT134889B - : de en
  • CA336250A - Paper stuff hydrator : en fr
  • CA336374A - Microphone relay hearing apparatus : en fr
  • CH164719A - A makeshift coupling of the type of an automatic central buffer coupling to be suspended from the draw hook of the normal railway vehicle coupling. : de en
  • USD90849S - Design fob a table : en
  • CH164604A - Self-opening thread cutting head. : de en
  • GB399599A - Improved process of and apparatus for cleansing raw or manufactured wool : en
  • US1929950A - Amine hydrohalide manufacture : en
  • US1929403A - Condenser : en
  • CA336301A - Alternating current meter : en fr
  • US1929941A - Collapsible container : en
  • US1929962A - Swingable sash window : en
  • AU963332A - Improvements in and relating to liquid measuring and dispensing appliances : en
  • US1929579A - Combination golf tee and marker : en
  • DE585913C - Inharmoniously vibrating structures for driving work machines, in which the change in force of the elastic means used as an energy storage device grows depending on the path towards the end of the stroke : de en
  • US1929528A - Hydrogenation of carbonaceous material : en
  • US1929642A - Process for removing tannin from apple juice : en
  • AT134856B - Device for machine arc welding. : de en
  • CH164528A - Leather shoe with midsole and rubber outsole. : de en
  • CH164543A - Process for pressure hydrogenation. : de en
  • GB399634A - Method of washing wool in the yolk : en
  • DE585921C - Method for determining the development conditions of sound recordings in sound recordings with variable rest light intensity, e.g. B. Plain audio recordings : de en
  • DE585997C - Fastening device for cylinder : de en
  • US1929867A - Attachment for controlling at alpha large distance valves of the nonrising stem type : en
  • US1930163A - Pump : en
  • DE585869C - Process for the production of malleable cast iron : de en
  • US1930252A - Typewriter accumulator : en
  • US1929667A - Indicating device : en
  • US1929728A - Electric valve converting apparatus : en
  • US1930244A - Illuminated mirror : en
  • US1930425A - Drop center rim : en
  • FI15510A - Regulation on fast-growing and fast-moving and self-handling : en fi
  • GB399639A - Improvements in or relating to processes of stabilizing fats and/or fatty oils and the products resulting therefrom : en
  • DE585205C - Rod network : de en
  • AT134817B - Short ski. : de en
  • CA336213A - Dumping vehicle : en fr
  • DE585746C - Drive device for electric locomotives with single axle drive : de en
  • FI15447A - The cuff and how to fold it : en fi
  • DE585226C - Variable-pitch propeller with axially movable sleeve : de en
  • GB399819A - Improvements in the method of and apparatus for mounting fastening members of sliding clasp fasteners : en
  • FR753289A - Fixed or movable eye devices applicable to a mask or doll's head : en fr
  • GB399667A - Improvements in and relating to coats : en
  • GB399844A - Improvements in or relating to frequency indicators : en
  • GB399601A - Improvements in and relating to electrical contacts : en
  • FR42756E - Manufacture of wooden labels : en fr
  • DE585435C - Device for extracting substances containing oil, fat and wax : de en
  • DE585717C - Propeller with automatically variable pitch : de en
  • DE585899C - Process for the heat treatment of a glass tube : de en
  • DE585961C - Process for the production of colored phenol-aldehyde resin compositions : de en
  • DE585991C - Cutting edge seal for the end piston of containers for storing gas, steam or easily evaporating liquids : de en
  • DE585957C - Process for the production of cellulose ribbons : de en