• US2028526A - Rotary internal combustion engine : en
  • US2028224A - Phonograph : en
  • US2028681A - Grinding of rotating eccentric knives : en
  • CA355505A - Radio receiver : en fr
  • CA355539A - Air cleaner : en fr
  • US2028139A - Toy and game apparatus : en
  • US2028388A - Method and machine for making cushion pads : en
  • DK51169C - The water closet. : da en
  • US2028737A - Oil well tubing wrench : en
  • US2028638A - Means for controlling card perforating machines : en
  • USRE19831E - Drop side container car : en
  • AT144402B - Ski binding jaws. : de en
  • DE624583C - Process for the production of lubricating oils : de en
  • US2028734A - Train lighting system : en
  • US2028273A - Flow measuring device : en
  • US2028445A - Brake for foot steered vehicles : en
  • US2028602A - Diaper garment : en
  • US2028692A - Yarn tension for automatic shuttles : en
  • US2028533A - Turbine blade : en
  • US2028547A - Automobile transport : en
  • US2028418A - Well cleanout tool : en
  • AT144366B - Process for the production of wetting, leveling, peptizing and cleaning agents. : de en
  • US2028430A - Oil tank inspection device : en
  • US2028677A - Locking means for paper board boxes : en
  • CA355432A - Cleaning device : en fr
  • US2028371A - Fuel pump : en
  • US2028348A - Process for hydrogenating distillable carbonaceous materials : en
  • US2028604A - Electric heater : en
  • FR793386A - Improvements to radiotelephony devices : en fr
  • IT334177B - : it
  • FR793419A - Speed change reduction gear for all applications, but especially for aircraft engines : en fr
  • FR793441A - Rotary machine : en fr
  • DE624428C - Method for welding rail joints : de en
  • DE624489C - Rail fastening with rib shims : de en
  • GB441522A - Improvements in or relating to means for bending small tubes, pipes, and the like : en
  • AU2115335A - A process forthe production ofa mixture of nitrogen and hydrogen suitable forthe synthesis of ammonia : en
  • AT144388B - Holding and clamping device for items of clothing. : de en
  • CA355416A - Casein article production : en fr
  • GB441394A - Improvements in or relating to vibrator converters for electric currents : en
  • IE14120L - Impts. in the treatment of coal : en
  • CA355506A - Metal coating method : en fr
  • CA355504A - Fabric filter : en fr
  • DE624676C - Adjustable nozzle for gas heating burner : de en
  • DE624699C - Box-shaped carbon copy device : de en
  • US2028564A - Electrolytic device : en
  • US2028351A - Machine for shaping uppers over lasts : en
  • DE624412C - Two-axle trailer for motor vehicles for transporting logs with two alternately changeable steering devices : de en
  • US2028382A - Machine for inserting fasteners and forming the heel area of a sole : en
  • US2028502A - Seasoning plastic : en
  • US2028586A - Brake mechanism for automotive vehicles : en
  • US2028571A - Electric control system : en
  • US2028204A - Electric circuit interrupter : en
  • US2028310A - Engine : en
  • US2028338A - Electrical apparatus : en
  • US2028498A - Antenna system for microray signaling : en
  • US2028524A - Needle guard attachment for sewing machines : en
  • GB441857A - Improvements relating to self-lifting apparatus for potato diggers, cultivators and the like : en
  • AT144393B - Ski binding without heel strap. : de en
  • AT144434B - Watercraft. : de en
  • GB441526A - An improved permanent magnet system, more particularly for electricity meters : en
  • FR793311A - Advanced sound transmission device for broadcasters, speakers, and similar devices : en fr
  • US2028668A - Joint for concrete pipes : en
  • US2028238A - Colostomy girdle and support : en
  • DE624525C - For the storage of bedding, clothes or the like. Serving accessory on bedsteads : de en
  • GB441416A - Implement for piercing and aerating turf, grassland and other ground : en
  • GB441450A - Improvements in or relating to electrical signalling systems : en
  • GB441400A - New azodyestuffs for leather : en
  • GB441675A - Improvements in diesel engines : en
  • US2028476A - Garage for automobiles and the like : en
  • DE624486C - Heat accumulator for boiler systems with two element groups designed as large-capacity containers : de en
  • CA355465A - Circuit breaker : en fr
  • CA355490A - Gluing and sticking process : en fr
  • US2028736A - Vise for slug casting machines : en
  • GB441743A - Improvements in and relating to protective covers for books : en
  • FR793228A - Sealing device for rotating shafts : en fr
  • GB441690A - Improvements in electric heating appliances : en
  • US2028651A - Release mechanism for pressure fluid containers : en
  • AT144419B - Anti-skid device for wheel tires. : de en
  • CA355498A - Photographic recording mechanism : en fr
  • US2028503A - Measuring apparatus : en
  • US2028271A - Manufacture of para-cyclohexylphenols : en
  • USD98234S - Design fob a radiocabinet : en
  • US2028385A - Method of making hinge leaves : en
  • US2028148A - Arcuate pitch cone gearing : en
  • US2028227A - Motor truck : en
  • GB441502A - Improvements in or relating to methods of coating metal and the coated metal resulting therefrom : en
  • GB441567A - Improvements in or relating to means for tipping vehicle bodies : en
  • FR793348A - Method and device for transmitting remote indications and in particular the positions of organs and their applications : en fr
  • GB441392A - Improvements relating to fluid pressure braking apparatus : en
  • US2028210A - Coin collecting apparatus : en
  • US2028709A - Printing plate : en
  • DE624453C - Transformer with two secondary windings with different numbers of turns for feeding two electricity consumers : de en
  • DE624479C - Extending table billiards : de en
  • US2028233A - Welding : en
  • US2028515A - Mechanism for locking gas tank covers : en
  • US2028520A - Strainer : en
  • DK51173C - Control systems for electrical Group installations. : da en
  • US2028136A - Box and method of making the same : en
  • FR793267A - Balance pin for plate movement : en fr
  • GB441662A - Apparatus for playing a game : en
  • GB441764A - Silencer for internal combustion engines : en
  • FR793363A - Method and apparatus for electric spot welding : en fr
  • USD98251S - Design fob a pencil pouch : en
  • US2028250A - Soot blower : en
  • GB441459A - Improvements in or relating to wire-cutters : en
  • GB441633A - Process for projection in relief : en
  • GB441496A - Improvements in sole laying presses : en
  • US2028318A - Purification of gases : en
  • US2028375A - Electric plug connecter : en
  • DE624477C - Process for preserving ropes : de en
  • FR793295A - Azo dyes : en fr
  • GB441415A - Improvements in or relating to ash receptacles for the use of smokers : en
  • DE624624C - Type lever bearing segment : de en
  • GB441573A - Improvements in the manufacture of crepe threads and fabrics : en
  • GB441629A - Improvements relating to intake manifolds for the cylinders of internal-combustion engines : en
  • GB441397A - Improvements in or relating to means for supporting stockings and the like : en
  • US2028472A - Fluorescent substance : en
  • US2028341A - Series envelope : en
  • USD98285S - Design for a handbag : en
  • FR793459A - New azo dyes : en fr
  • FR793263A - Tablets of vegetable products intended in particular for the preparation of infusions, and devices for the use of these tablets : en fr
  • FR793392A - Bootable battery : en fr
  • GB441499A - Improved process and apparatus for the sterilisation of bottles : en
  • DE624394C - Device for the production of knitted goods, in particular knitted tubular yarns : de en
  • DE624490C - Arrangement for achieving a rapid increase in the consumer current when putting high inductance consumers fed by rectifiers into operation : de en
  • FR793486A - Cooling device for heat treatment of metals : en fr
  • AT144391B - Rake. : de en
  • CA355452A - Elastic fabric manufacture : en fr
  • DE621090C - Valve with adjustable opening pressure : de en
  • DK51170C - Process for the production of monopotassium phosphate from insoluble lime phosphates. : da en
  • GB441588A - Improvements in and relating to tobacco leaf forwarding and controlling mechanism, particularly for tobacco leaf stemming machines : en
  • FR793227A - Process for preparing interesting hydrocarbons rich in hydrogen by treating medium oils or mixtures of high boiling hydrocarbons with hydrogenating gases : en fr
  • USD98282S - Bezel for ash receivers : en
  • AT144498B - Protective device against side rays emerging during fluoroscopy. : de en
  • US2028365A - Rotary hoe : en
  • DE624485C - Radiant superheater, especially with upstream water cooling pipes : de en
  • GB441845A - Anthraquinone dyestuffs and process for their manufacture : en
  • FR793488A - Method and apparatus for the treatment of fiber cakes : en fr
  • DE624470C - Rotary lobe pump with annular working space and movable abutment : de en
  • US2028707A - Wheel for rail cars : en
  • US2028576A - Pipe section protection : en
  • AU2095235A - Improvements in or relating to navigation aiding radio transmitting installations : en
  • US2028447A - Well point : en
  • US2028548A - Low voltage gas arc lamp : en
  • US2028659A - Hand tool for cutting grass, weeds, and the like : en
  • US2028223A - Cover lock : en
  • DE624413C - Braking device for locking gear members in epicyclic gears, in particular in motor vehicles : de en
  • FR793447A - Remote control device : en fr
  • GB441395A - New and useful improvements in furnace construction : en
  • US2028567A - Cap for fruit basket covers : en
  • USRE19828E - Attachment for internal : en
  • US2028245A - Manufacture of shoes : en
  • AT144371B - Process for bleaching wood pulp. : de en
  • CA355425A - Animal trap : en fr
  • AT144406B - Rubber studs for horseshoes. : de en
  • AT144405B - Display device for card games. : de en
  • GB441390A - Apparatus for accelerating masses : en
  • DE624616C - Washing device with closed container and tamper bells articulated on a swinging beam that can be rotated around a vertical pin : de en
  • US2028221A - Automatic hitch : en
  • USD98286S - Design for a reflector or similar : en
  • CA355509A - Glassware forming machine : en fr
  • US2028265A - Fluid pressure spray appliance : en
  • US2028413A - Aerating apparatus for fertilizer and the like : en
  • DE624579C - High frequency apparatus : de en
  • USD98207S - Design for an ash tray or similar : en
  • FR793494A - V-shaped stabilizer control device. : en fr
  • CA355514A - Electrostatic generator : en fr
  • AT144360B - Process for recovering the gases used to fill gas-filled electric incandescent lamps from the gas supply lines. : de en
  • DE624463C - Universal joint : de en
  • GB441711A - Improvements in or relating to temperature controlling means for ovens and the like : en
  • US2028633A - Seat : en
  • GB441495A - Improvements in telephone systems : en
  • USD98270S - Design fob a bottle : en
  • FR793373A - Machine gun silencer : en fr
  • FR793253A - Device for producing the adjusting radial displacement of the knife in cutting mechanisms for a cigarette machine : en fr
  • DE624622C - Process for the production of sulfur-containing condensation products : de en
  • FR793300A - Improvements to the installations allowing on board navigation devices, in particular on board aircraft, to determine, make these devices take and control the appropriate heading for navigation and for the throwing on a given point of any projectiles or charges, as well as than for other purposes : en fr
  • US2028731A - Loom protection mechanism : en
  • US2028344A - Shield for toothed separator elements : en
  • US2028423A - Nonseparable fastener : en
  • US2028448A - Hydraulic turbine : en
  • DE1361374U - : de en
  • DE624619C - Easel file : de en
  • GB441498A - Improvements in or relating to abrasive wheels : en
  • AT144381B - Gas lighter. : de en
  • US2028686A - Trimmer : en
  • USD98219S - Design for a plate ob similar : en
  • DE624461C - Process for the production of rayon using the coil or roller spinning process : de en
  • FR793223A - Fittings for draft animals, saddles and pack animals : en fr
  • FR793448A - Installation of cylinders for drying paper or pulp : en fr
  • GB441623A - Improvements in water heating boilers for hot water supply and circulation systems : en
  • GB441609A - Casing for liquid heaters : en
  • GB441725A - Improvements in or relating to sliding roofs for vehicles : en
  • US2028469A - Waterinsoluble azodyestuffs derived from benzocarbazoles : en
  • US2028700A - Tractor mounted winch with drive transmission : en
  • CA355477A - Electrical insulator : en fr
  • DE624481C - Device for the pretreatment of raw cement : de en
  • FR793203A - Device for clearing the way for band saw blades : en fr
  • CA355423A - Feed water heater : en fr
  • US2028623A - Brake rigging : en
  • US2028197A - Phonographic recorder : en
  • US2028676A - Amusement device : en
  • GB441575A - Improvements relating to the surfacing of roadways : en
  • DE624418C - Circuit arrangement for triggering switching processes through weak, brief current surges : de en
  • FR793230A - Illuminated advertising system : en fr
  • FR793235A - Inhalation device : en fr
  • FR793427A - Water inlet coil for running water bidets : en fr
  • IE13811L - Tobacco feeding. : en
  • FR793221A - Improvements to low-profile monobloc vehicle chassis : en fr
  • US2028481A - Method of distillation : en
  • US2028147A - Micrometric compass : en
  • IE14166L - Apparatus for boring into earth material : en
  • FR793412A - Improvements to injection pumps : en fr
  • US2028360A - Pump : en
  • US2028407A - Gear mechanism : en
  • FR793404A - Tension regulating device for knitting machines and the like : en fr
  • DE624660C - Device for grinding ores and similar materials in vertical drums : de en
  • FR793335A - Manufacturing process for figure toys and new products resulting therefrom : en fr
  • GB441735A - Improvements in or relating to holders for tubular electric lamps : en
  • DE624526C - Device for vulcanizing hoses or the like made of rubber : de en
  • DE624605C - Coarse, porous filling compound for containers for storing explosive or flammable gases : de en
  • GB441592A - Improvements in umbrellas and the like : en
  • FR793316A - Relays for automatic regulators : en fr
  • GB441426A - Improvements in apparatus for laying electric cables : en
  • US2028411A - Laminated structure : en
  • US2028662A - Method of simulating motion and apparatus therefor : en
  • FR793309A - Improvements to combined crossover systems for making spools of threads : en fr
  • FR793241A - Improvements to shock absorber mounting devices : en fr
  • FR793410A - Geared synchronous motor : en fr
  • GB441525A - Improvements in iron cores for high frequency electric coils : en
  • GB441777A - Improvements in or relating to oil control arrangements for hollow pistons particularly for internal combustion engines : en
  • US2028157A - Wire rope : en
  • US2028179A - Flotation machine : en
  • DK51148C - Device for bicycle handlebars. : da en
  • US2028500A - Power-transmission coupling : en
  • US2028516A - Braille writer : en
  • DE624433C - Method for generating an alternating voltage with an essentially rectangular shape : de en
  • DE624601C - Bucket elevator for picking up bulk goods, in which each bucket is equipped with a movable floor for emptying the bulk goods : de en
  • DE624620C - Process for separating fumes from gases : de en
  • DE624455C - Portable measuring device for the optional measurement of direct and alternating current : de en
  • DE624671C - Footwear with a replaceable outsole : de en
  • FR793394A - Advanced devices for mounting ball or roller bearings on axle boxes, roller bearings in rolling mills or others : en fr
  • GB441543A - Improvements in advertising devices : en
  • FR793344A - heat exchanger : en fr
  • US2028306A - Tin pot feeder : en
  • USD98250S - Design for a pencil pouch : en
  • USD98257S - Design fob a comb : en
  • FR793274A - Combined rake and rake : en fr
  • FR793283A - Method and device for the treatment of acid resins and the like : en fr
  • CA355486A - Moulded porous product manufacture : en fr
  • DE624586C - Device for the production of threads from glass and similar fusible materials : de en
  • GB441734A - Improvements relating to liquid immersed electric circuit breakers : en
  • GB441854A - Improvements in and relating to clocks : en
  • GB441712A - Improvements in and relating to tooth-brushes : en
  • GB441747A - Improvements in or relating to devices comprising an armature arranged between pole-pieces : en
  • DE624493C - Sound-insulating insert for ceilings and walls made of two or more cardboard or cardboard sheets : de en
  • CA355535A - Seam forming apparatus : en fr
  • GB441605A - Improvements in and relating to slitting machines : en
  • FR793439A - Method and apparatus for printing on bodies with curved surfaces : en fr
  • GB441549A - Improvements in or relating to pressure casting-machines : en
  • US2028369A - Impulse turbine bucket : en
  • US2028252A - Rotation mechanism : en
  • USD98260S - Design for a combined venetian blind : en
  • DE624420C - Device for producing the head closure of the filled pack in filling and closing machines : de en
  • USD98211S - Design for a plate or similar articlb : en
  • US2028523A - Apparatus for the manufacture of bricks or the like : en
  • FR793377A - Loudspeaker enhancements : en fr
  • GB441566A - Improvements in curtain rods : en
  • FR793420A - Handling device for radio headlights with complementary signals, in particular : en fr
  • DE624681C - Dry cleaner for desulphurising distillation gases : de en
  • FR793310A - Process and device for the hydrogenation of coal and other carbonaceous compounds : en fr
  • DK51147C - Operating mechanism for Gravel Devices for Automobiles. : da en
  • FR793498A - Advanced ejector mechanism for line and letterpress melting machines : en fr
  • US2028308A - Fuel for diesel engines : en
  • US2028322A - Composite piston : en
  • FR793280A - Improvements to the setting indicating devices used in t. s. f. : en fr
  • GB441508A - Improvements in door bolts : en
  • GB441672A - Improvements in and relating to atomisers for liquids : en
  • FR793213A - Improvements to rotary wing aircraft : en fr
  • FR793249A - Device for sealing doors and windows of gas shelters : en fr
  • GB441585A - Improvements in water tube boilers : en
  • FR793287A - Merry-go-round for fairgrounds, amusement parks, etc. : en fr
  • FR793298A - Cylinder dryer : en fr
  • GB441409A - Improvements in vaporisers for internal combustion engines : en
  • DK51171C - Electric Vacuum Cleaner. : da en
  • US2028132A - Process for recovering pure germinal substance from seed kernels : en
  • FR793293A - New animated toy : en fr
  • DE624377C - Process for the preparation of droplets of cyclic ª ‰ -ketocarboxylic acids : de en
  • GB441732A - An improved packing device for shafts and like bodies : en
  • GB441603A - Improvements in and relating to alkali metal vapour electric discharge devices : en
  • FR793233A - Compression-ignition internal combustion engine with side injection and combustion chamber : en fr
  • DE624281C - Drive for high-speed cylinder presses with pressure cylinder swinging back and forth : de en
  • FR793332A - New braided strap and its manufacturing process : en fr
  • USD98278S - Design fob a lubricating unit : en
  • CA355507A - Sand-blasting stencil : en fr
  • GB441628A - Improvements in the manufacture and production of azo dyestuffs especially suitable for printing acetate artificial silk : en
  • DE624398C - Clothes rack with a bracket held by a hinged spacer : de en
  • DE624576C - Cable termination with insulating body and insulating tubes attached to the cores at the expansion point : de en
  • FR793455A - Method and device for introducing pulverulent fuels into the cylinders of internal combustion engines : en fr
  • DE624597C - Photographic, in particular cinematographic recording apparatus : de en
  • DE624627C - Electromagnetically controlled switch for controlling signals : de en
  • DE624689C - Acoustic gas alarm device for burners with a bimetallic strip in the heat zone of the burner : de en
  • FR793389A - Method and devices for the excitation of rotating armature alternators : en fr
  • GB441451A - Improvements in or relating to electrical signalling systems : en
  • US2028128A - Chair structure : en
  • US2028415A - Fruit jar holder : en
  • GB441650A - Improvements in or relating to the grinding, pulverising and the like treatment of materials : en
  • GB441413A - Improvements in or relating to combined cutting and loading machines for mines : en
  • FR793411A - Ball joints for remote controls : en fr
  • FR793326A - artificial rubber emulsion and its manufacturing process : en fr
  • FR793477A - : fr
  • AT144445B - Electric heat conduction hotplate. : de en
  • AU2086635A - Improvements in or relating to electron discharge devices usedfor signalling on very shortwaves. 7 : en
  • CA355543A - Directive antenna system : en fr
  • US2028345A - Stove door : en
  • USD98226S - Design for a plate or similar : en
  • DK51157C - Air Heating Apparatus for Hair Dryers. : da en
  • DK51165C - Resilient drive wheels for vehicles operated by hand or foot. : da en
  • US2028386A - High silica cement : en
  • GB441403A - Improvements relating to cycle dynamos : en
  • AT144413B - Ski. : de en
  • CA355434A - Toilet seat and cover mechanism : en fr
  • US2028198A - Automatic clutch control : en
  • DE624510C - Pipe cleaner with tool carriers that can be radially swung out by centrifugal force : de en
  • DE624712C - Flat weft knitting machine with a jacquard pattern device consisting of individually movable press pattern sinkers and cover pattern sinkers : de en
  • AT144377B - Process for making soluble starch. : de en
  • CA355428A - Perforating tool locating means : en fr
  • CA355470A - Standing wave oscillating system : en fr
  • AT144372B - Process for improving rubber. : de en
  • AT144490B - Process for the production of supports which are suitable for the mechanical recording of an optically reproducible vibration track, and supports which are produced by this process. : de en
  • AT144497B - Method and device for drawing glass sheets. : de en
  • DE624396C - Closure device for sterilization apparatus working under excess pressure : de en
  • DE624441C - Shirt-like outer clothing : de en
  • GB441564A - Improvements in metal elements or devices for use in erecting toy building structures or the like : en
  • US2028542A - Windshield construction : en
  • US2028546A - Screw driver : en
  • FR793214A - Improvements to aircraft tail units : en fr
  • FR793259A - Engine mechanism for truck or other vehicles : en fr
  • GB441387A - Improvements in or relating to a type wheel typewriter : en
  • FR793211A - Improvements to aircraft fuselages : en fr
  • US2028486A - Magnetic analysis : en
  • FR793209A - Spade fork : en fr
  • FR793429A - Electric switch with pilot light : en fr
  • US2028202A - Machine for unsealing can tops : en
  • US2028328A - Expansion insert or caster socket for tubular legs or the like : en
  • US2028427A - Safety signal : en
  • FR793269A - Counter device for looms : en fr
  • GB441443A - An improved process of and apparatus for sintering, roasting and drying ores and the like : en
  • AT144422B - Wheel suspension, in particular for motor vehicles. : de en
  • AT144471B - Dictaphone. : de en
  • GB441593A - Improvements relating to golf clubs : en
  • US2028189A - Undercoat for lacquers and lacquered material : en
  • FR793381A - Improvements to electric cooking pots : en fr
  • FR793460A - Pressure regulator for gas distribution to burners, and other applications : en fr
  • US2028634A - Fluid pump packing : en
  • US2028295A - Foam retarding tube : en
  • US2028138A - Internal combustion engine valve mechanism : en
  • AU3436A - An improved method of making a joint between two parts by casting metal round them : en
  • CA355431A - Wheeled truck : en fr
  • US2028340A - Method for the distillation of easily decomposable materials : en
  • USD98266S - Design for a shaving bowl : en
  • CA355466A - Artificial silk : en fr
  • US2028725A - Production of so from acid sludge : en
  • US2028301A - Shipping crate : en
  • US2028372A - Vapor stove construction : en
  • FR793262A - Plaster dispenser : en fr
  • GB441550A - Improvements in paper cutters : en
  • DE621571C - Process for the production of wax-impregnated paper wound capacitors : de en
  • DK51159C - Device by Teeth for Ajlenedfældere. : da en
  • FR793286A - Thermostatic draft regulator : en fr
  • IE13552L - Vaporiser for i.c. engines : en
  • DE624587C - Container for make-up pencils : de en
  • CA355463A - Ophthalmic mounting : en fr
  • US2028632A - Manufacture of phosphates : en
  • DE624457C - Variable capacitor made of inorganic, especially ceramic, insulating material with low dielectric losses, tubular design : de en
  • DK51164C - Top for sewing machines. : da en
  • GB454647A - Improvements in or relating to the excitation of luminous discharge tubes : en
  • CA355417A - Vermin destroying device : en fr
  • FR793385A - Heating appliance : en fr
  • US2028171A - Lock : en
  • CA355530A - Enwrapped comestible bar forming apparatus : en fr
  • US2028316A - Hose fitting : en
  • US2028598A - Drag line bucket : en
  • US2028335A - Process for desulphurizing a petroleum oil distillate : en
  • US2028442A - Load handling device : en
  • US2028519A - Toothbrush spoon : en
  • DE624287C - Double stream telegraph system : de en
  • DE624581C - Process for the preparation of anthraquinone derivatives : de en
  • CA355483A - Rubber and plastic composition : en fr
  • CA355450A - Plant protector : en fr
  • DE624568C - Method for solidifying hollow shafts : de en
  • US2028610A - Cable splicer : en
  • US2028666A - Curtain support : en
  • USD98222S - Design for a plate or similar : en
  • USRE19832E - Motor vehicle provided with four : en
  • DE624407C - Device for automatic compensation of the clamping pressure on semi-automatic clamping and driving devices, preferably for wheel sets : de en
  • DE624534C - Method of fixing dye images : de en
  • US2028574A - Railway freight car construction : en
  • AU2259035A - Apparatus for converting milky liquids latices, solutions, dispeersions and emulsions into a finely divided solid condition by centrifugal spraying and drying : en
  • DE624715C - Leather processing machine : de en
  • US2028373A - Manufacture of 4-aminodiphenylamine derivatives and intermediates obtained thereby : en
  • US2028622A - Apparatus for calculating the angularity of steering wheels : en
  • US2028720A - Fusible link : en
  • US2028218A - Feeding means for sealing pads for receptacle closure caps : en
  • US2028452A - Stop watch : en
  • US2028522A - Display device : en
  • US2028256A - Sterilizing device : en
  • US2028588A - Comb : en
  • FR793299A - Improvements to reinforced concrete and ceramic floors : en fr
  • CA355519A - Motor fuel : en fr
  • FR793240A - Engraved plastic plate : en fr
  • AT144373B - Process for the production and treatment of burnt coffee, coffee substitutes and other parts of plants which are used in the roasted state as foodstuffs or luxury goods. : de en
  • US2028183A - Abrasive wheel and method of making the same : en
  • USD98235S - Design for a radiocabinet : en
  • FR793318A - Auxiliary pointing device for determining the speed of a moving target : en fr
  • US2028241A - Method of making self-luminous element : en
  • US2028420A - Arsenate cement or cement mixture : en
  • USD98232S - Design fob a game board : en
  • DE624614C - Process for the production of low-alcohol or non-alcoholic beverages : de en
  • FR793279A - Process for obtaining reserves under dyeing of ethersalts from leucon derivatives of tank dyes : en fr
  • CA355429A - Counter sales book : en fr
  • DE624397C - Coffee and tea brewing and serving vessel with tap : de en
  • GB441510A - Improvements relating to swimming suits and like garments : en
  • US2028177A - Valve or drain plug : en
  • US2028329A - Coupling for tubular joints of the expansion joint type : en
  • USD98267S - Design fob a show case ok similar : en
  • FR793320A - Internal combustion engine : en fr
  • AT144478B - Tear-off block attachment. : de en
  • GB441447A - An improved spinning solution for the production of synthetic filaments or threads : en
  • FR793312A - Application to endoscopes of a means for automatically obtaining, during the resective action, a trench in relation to the anatomical planes to be operated : en fr
  • AT144476B - Device for measuring the pressure of the drilling equipment on the bottom of the borehole in deep drilling rigs. : de en
  • US2028161A - Syringe for blood transfusions : en
  • AT144414B - Friction wheel lighter with leaf-shaped flint pen. : de en
  • US2028225A - Welding apparatus : en
  • US2028433A - Shaker conveyer : en
  • GB441614A - Improvements in piezo-electric hearing-aid devices : en
  • AT144432B - Change gears for bicycles, especially for those with freewheel. : de en
  • GB441771A - Improvements relating to ignition apparatus for internal combustion engines : en
  • DE624688C - Device for making sandpaper or cloth : de en
  • DE624578C - Housing mounted on two feet for changeable electrical plate capacitors : de en
  • US2028160A - Protective covering for tubes : en
  • US2028592A - Valve stem : en
  • DE624469C - Device for developing tracing papers with gaseous media : de en
  • GB441773A - Improvements in the optical reproduction of sound from sound records : en
  • USD98236S - Design fob a goblet : en
  • CA355481A - Magnesium purification : en fr
  • CA355497A - Tabulating machine : en fr
  • FR793492A - V-pulley type transmission mechanism improvements : en fr
  • DE624659C - Nozzle arrangement for metal spray guns : de en
  • FR793415A - Machine for the continuous insertion of bottoms and lids into completely glued container shells, of paper, cardboard or the like : en fr
  • GB441560A - Improvements in portable presses for ice crushing and culinary operations : en
  • GB441581A - Improvements in, and relating to, piston rings : en
  • US2028416A - Manufacture of sulphuric acid : en
  • USD98237S - Design tor a candy box oe the like : en
  • FR793327A - Process for obtaining, by printing, moiré effects of great diversity on fabrics of all kinds : en fr
  • FR793496A - Mounting of connecting rods on crank journals in harvesters : en fr
  • AT144446B - Chimney top. : de en
  • GB441529A - Improvements in or relating to the liquid treatment of materials in web or sheet form : en
  • GB441532A - Improvements relating to the manufacture of beryllium alloys : en
  • GB441738A - Improvements in or relating to propellers of variable pitch : en
  • US2028647A - Form attaching supporting means : en
  • US2028244A - Steel ingot : en
  • FR793467A - New water evaporative refrigeration device : en fr
  • GB441627A - Improvements in intermediate frequency transformers for superheterodyne radio receivers : en
  • GB441723A - Improvements in and relating to protective systems for electric circuits : en
  • US2028293A - Undercutting attachment for lathes : en
  • US2028383A - Chlorination of phthalic anhydride : en
  • US2028690A - Washer for mugs, glasses, etc. : en
  • US2028228A - ludowici : en
  • US2028155A - Wire rope lubrication : en
  • USD98241S - Design for a shoe : en
  • USD98247S - Design for a toaster : en
  • FR793350A - Soft paste shaping machine : en fr
  • FR793226A - Process for the preparation of olefin polymerization products : en fr
  • FR793449A - TV transmitter : en fr
  • GB441553A - Improvements in or relating to fastening devices for pulley driving belts : en
  • DE624658C - Price and number of items control device : de en
  • US2028281A - Burner : en
  • US2028307A - Process for preparing ceresin : en
  • US2028549A - Mounting : en
  • DE624400C - Floor heating combined with a water heating system : de en
  • US2028470A - Apparai : en
  • US2028645A - Fountain pen : en
  • DE624417C - Indicator with a two-part tongue that can be spread by electromagnetic repulsive forces within an excitation coil : de en
  • DK51163C - Welded construction element and method of its manufacture. : da en
  • FR793224A - Improvements to electrodes for electric welding : en fr
  • CA355496A - Accounting machine : en fr
  • CA355545A - Seaming machine : en fr
  • US2028323A - Savings bank attachment : en
  • GB441716A - Improved manufacture of nitrocellulose lacquers : en
  • GB441559A - Improvements in and relating to the sealing of vitreous envelopes : en
  • DE624429C - Circuit arrangement for self-connecting telephone systems with multiple connections : de en
  • GB441630A - Improved indiarubber belt : en
  • GB441521A - Improvements in or relating to vacuum tube amplifiers : en
  • FR793365A - Improvements to processes for treating mixtures of materials, at least some of which are powdery, in particular with a view to obtaining moldable products : en fr
  • US2028207A - Wheel and brake therefor : en
  • US2028717A - Vacuum tube system and container : en
  • GB441601A - Improvements in or relating to the manufacture of water soluble organic sulpho compounds : en
  • FR793397A - Branch box : en fr
  • US2028200A - Typewriting machine : en
  • US2028352A - Bung : en
  • USRE19834E - Wireless transmission system : en
  • GB441584A - Improvements in or relating to hair curlers : en
  • US2028573A - Liner for a brake drum and method of making the drum : en
  • US2028657A - Filling machine : en
  • US2028130A - Phonograph : en
  • US2028166A - Apparatus for coking liquid residuums : en
  • US2028182A - Coupling : en
  • DE624683C - Device for covering the panes of shatterproof glass with a plastic mass used to form the elastic intermediate layer : de en
  • FR793432A - Devices for hiding a surprise bonus placed directly on the purchased item : en fr
  • DE624563C - Process for the preparation of carbazoles : de en
  • DE624661C - Folding device for paper sack sewing machines : de en
  • FR793450A - Trunk, briefcase or suitcase folding empty inside the lid : en fr
  • DE624471C - Pump or compressor : de en
  • DE624585C - Wound clamp : de en
  • DE624615C - Fabric raising machine : de en
  • US2028353A - Frame corner structure : en
  • US2028732A - Shuttle check : en
  • US2028129A - Holder for christmas trees or other objects : en
  • US2028391A - Garage : en
  • US2028508A - Ciphering apparatus : en
  • AT144435B - Bicycle insert valve. : de en
  • US2028143A - Vehicle body : en
  • US2028346A - Street plate for track shoes : en
  • US2028263A - Electrical indicating device : en
  • CA355468A - Metal sulphide conversion : en fr
  • US2028285A - Cathode for electrolytic cells : en
  • US2028696A - Valve operating unit : en
  • BE413058A - : en
  • GB441853A - Improvements in or relating to knitting machines : en
  • AT144353B - Chrome-tungsten steel for firearms, especially for air-cooled machine gun barrels. : de en
  • US2028723A - Warp stop motion : en
  • GB441684A - Method and apparatus for operating flowing oil wells : en
  • GB441430A - Improvements in or relating to brake adjusting devices : en
  • GB441514A - Improvements in or relating to electrical transient-anticipator protective mechanisms : en
  • GB441590A - Manufacture of dyestuffs : en
  • DE624647C - Roestofen : de en
  • US2028530A - Clamping buckle : en
  • US2028479A - Conveyer for heat treating furnaces : en
  • FR793212A - Improvements to rotary wing aircraft : en fr
  • DE624501C - Sprocket change gear for bicycles : de en
  • GB441759A - Improvements in and relating to mercury boilers : en
  • DE624282C - Automatic loading device equipped with a conveyor belt : de en
  • FR793252A - Envelope for radio station : en fr
  • FR793255A - Device for controlling machine tools by photocells : en fr
  • FR793483A - Tubular steam generator : en fr
  • DE624590C - Electrically operated device for displaying any measurement parameters : de en
  • DE624434C - Electrolytic capacitor : de en
  • DE624450C - Socket, especially for connection to device plugs : de en
  • US2028493A - Web clamping unit for articles of furniture : en
  • DE624497C - Method and sewing machine for sewing welded leather with a looped seam to the Hueten brim : de en
  • DE624483C - Device for diverting the rolling rods from a roller cooling bed onto the discharge roller table : de en
  • DK51166C - Collection device for the finished Matches in Complete machines. : da en
  • GB441436A - Improved apparatus for spraying coating materials on walls and for like purposes : en
  • FR793296A - Improvements to volume control systems for radio receivers : en fr
  • US2028619A - Method of obtaining fingerprints : en
  • FR793364A - Rubber compound die and device for the manufacture of rubber stamps and other reliefs : en fr
  • GB441412A - Anthraquinone dyestuffs and process for their manufacture : en
  • AT144499B - Breast and hip braces or bodices. : de en
  • GB441757A - Improvements in or relating to shower heads : en
  • CA355435A - Rotary engine : en fr
  • US2028342A - Method of butt-sealing incandescent electric lamps : en
  • DE624609C - Method and jet pipe for spraying gases, in particular fire extinguishing gases : de en
  • AU2058634A - Improvements in and relating to ball-cocks : en
  • AT144440B - Control device for switch systems. : de en
  • FR793452A - Rotary piston machine, particularly applicable to hydraulic transmissions : en fr
  • USD98210S - Design for a building : en
  • CA355467A - Metal pickling bath : en fr
  • AT144450B - Sealing against the penetration of air in furnace and furnace walls and. like : de en
  • AT144492B - Equipment on folding collars, preferably sewn onto the shirt. : de en
  • AU2086935A - Improvements in or relating to acoustic apparatus : en
  • US2028641A - Motor control : en
  • US2028721A - Fusible link : en
  • USD98256S - Design for an illuminated crucifix : en
  • US2028620A - One-way elevator system : en
  • US2028205A - Automatic automobile brake : en
  • DE624544C - Device for filtering mixtures of solid and liquid substances and for washing out the filter cake : de en
  • USD98265S - Design fob a mechanical pencil : en
  • US2028460A - Holder for match packages : en
  • DE624404C - Arrangement for screwing a sheet metal with a surface perpendicular to it : de en
  • AU2350035A - Improvements relating to dry gas meters : en
  • DE624607C - Magnetic electric igniter : de en
  • CA355473A - Electrical insulator : en fr
  • AU2089935A - Improvements in or relating to electric signalling systems : en
  • AU2095035A - Improvements in or relating to photo-electrically sensitive means for use in cathode ray tubes and like devices : en
  • AU2061234A - Synthetic resins and synthetic resin varnishes andthe manufacture thereof : en
  • GB441429A - Process and apparatus for the reduction of fine iron ores : en
  • GB441506A - Improvements in or relating to hydraulic power transmission gear : en
  • AT144458B - Candle holder. : de en
  • AT144408B - Holding device for adhesive skins for skis. : de en
  • DE624462C - Process for the production of shatterproof laminated glass : de en
  • DE624416C - Automatic shifting device for change gears, especially of motor vehicles : de en
  • GB441688A - Apparatus for playing a ball game : en
  • US2028368A - Hydraulic turbine : en
  • US2028477A - Hook holder for fish poles : en
  • AT144459B - Nozzle cleaning device. : de en
  • DE624411C - Copier with several paper containers used to hold different copy papers : de en
  • GB441527A - An improved vehicle head-lamp : en
  • AU1841934A - Braun tube : en
  • FR793354A - Improvements to discharge tubes : en fr
  • US2028718A - Ball-bearing for scientific instruments : en
  • AU2092435A - Soundbox filter or tone chamber for use in conjunction with loudspeakers in radio receivers or talking machines andthe like : en
  • CA355491A - Refrigerating apparatus : en fr
  • GB441523A - Improvements in or relating to hose grip : en
  • US2028359A - Automatic volume control circuits : en
  • DE624666C - Gas mask : de en
  • USD98209S - Design fob a sheet metal snap : en
  • FR793445A - Coordinate recorder : en fr
  • DE624464C - Electroplating apparatus : de en
  • CA355460A - Metal production : en fr
  • CA355516A - Acid mixture stabilization : en fr
  • GB441648A - Apparatus for cutting strip or the like material : en
  • GB441767A - Improved process of treating dyed textile goods : en
  • CA355511A - Coal carbonization : en fr
  • US2028706A - Electron discharge device control system : en
  • GB441710A - Improvements in or relating to machines for printing lists : en
  • US2028302A - Liquid dispensing apparatus : en
  • US2028266A - Apparatus for filling receptacles : en
  • US2028456A - Refrigerating apparatus : en
  • US2028467A - Return bend : en
  • US2028495A - Lock : en
  • US2028510A - Transmitter for electromagnetic waves : en
  • US2028569A - Pump : en
  • FR793465A - Device for indicating air leaks or progressive deflation of pneumatic tires : en fr
  • FR793268A - Hydraulic shock absorber : en fr
  • DE624667C - Aircraft landing area : de en
  • FR793272A - Advanced pool game : en fr
  • FR793315A - Waterproof, acid-proof jacket for dry cell batteries and other applications : en fr
  • FR793302A - Manufacturing process of electrodes for arc welding : en fr
  • US2028261A - Automatic control for vapor heating systems : en
  • DE624446C - Process for the extraction of iron and titanates : de en
  • FR793305A - Watertight seal, mainly for rotating assemblies : en fr
  • FR793340A - Wheel hub : en fr
  • US2028367A - Electric connecter : en
  • DE624403C - Rotary piston internal combustion engine : de en
  • DE624478C - Siren powered by an electric motor : de en
  • US2028506A - Window display device : en
  • DE624708C - Bridge arrangement for measuring the active or reactive component of an alternating current resistance : de en
  • US2028339A - Baggage : en
  • US2028384A - Vat dyestuffs of the anthracene series : en
  • US2028616A - Apparatus for the manufacture of a composite building material : en
  • US2028488A - Brake : en
  • FR793473A - Process for the preparation of capillary action aminocarboxylic acids : en fr
  • GB441667A - An improved tensioning pulley for the driving of spindles on spinning and doubling machines, twisting frames and the like : en
  • CA355438A - Hosiery manufacture : en fr
  • DE624670C - Trailer coupling for motor vehicles : de en
  • US2028435A - Device for glazing doughnuts : en
  • GB441599A - Improved vehicle for collecting and compressing refuse waste and the like : en
  • US2028621A - Brake apparatus : en
  • DE624523C - Container for ointment : de en
  • DE624685C - Roller basket : de en
  • GB441641A - Improvements in or relating to drum filters or thickeners : en
  • DE624524C - Permanent mold for casting unkilled metals : de en
  • FR793308A - Process for the impregnation and protection of wood or other materials : en fr
  • US2028133A - Hand truck : en
  • US2028424A - Door-closing device : en
  • USD98230S - Design for a cap or analogous : en
  • USRE19830E - Slicing machine : en
  • IE13789L - Duplicate books : en
  • GB441691A - Improvements in or relating to the tuning of radio receivers : en
  • GB441580A - Improvements in apparatus for taking multiple photographs : en
  • GB441343A - Improvements in and relating to measuring appliances or gauges : en
  • US2028284A - Gem or like settings in jewelry : en
  • US2028357A - Paper feed for typewriter billing machines : en
  • GB441583A - Improvements in ink ribbon feeding mechanism for use in printing or recording apparatus or machines : en
  • GB441530A - Improvements in or relating to door locks : en
  • GB441774A - Improvements in and relating to driving mechanisms : en
  • DE624672C - Flanged coil with removable flanges : de en
  • GB441714A - Improvements in or relating to a method of manufacturing a magnet made of metal oxide : en
  • DK51175C - Pole clamp for upright pole pin on batteries, e.g. Accumulator batteries. : da en
  • US2028590A - Electric capacitor and method of fabrication : en
  • DE624451C - Fastening device for electrical cable terminals on bases : de en
  • FR793396A - Two-module gear, especially for pumps and similar applications : en fr
  • CA355459A - Compact magnesium recovery : en fr
  • US2028674A - Claw guard : en
  • FR793330A - Improvement in fuel systems : en fr
  • FR793357A - Process for obtaining a protected strip and resulting products : en fr
  • AT144356B - Process for the production of sintered shaped bodies from refractory metals or from hard metals which essentially contain a carbide, boride, nitride, etc. : de en
  • AT144462B - Flame protection for gas and gasification burners. : de en
  • AT144483B - Refractory stone for lining rotary kilns. : de en
  • AT144489B - Automatic glass blowing machine. : de en
  • DE624570C - Pressure oil lubrication for axle bearings of rail vehicles using centrifugal force : de en
  • US2028315A - Grinding machine : en
  • DE624558C - Wrapping machine for sweets and similar items : de en
  • DE624643C - Liquid atomizer : de en
  • DK51150C - Sealing rail for Vendues and Doors. : da en
  • FR793322A - Steam boiler : en fr
  • GB441570A - Improvements in or relating to apparatus for conveying rolled material : en
  • DE624527C - Pocket letter scale : de en
  • CA355411A - Fire alarm apparatus : en fr
  • CA355457A - Overhead sliding door : en fr
  • US2028169A - Composite beam : en
  • DE624301C - Control device for aircraft engines with a supercharging compressor : de en
  • USD98283S - Visser : en
  • AT144436B - Buffer compensation device arranged between the buffer device and a pulling and pushing device. : de en
  • US2028589A - Electrical apparatus : en
  • AT144399B - Pool table. : de en
  • DE624468C - Image and sound recording or playback device for separate recording media : de en
  • FR793418A - Device for positioning and removing a book or a binding mounted in an oscillating manner : en fr
  • AU2090835A - Improvements in fishing reels : en
  • CA355537A - Plastic composition : en fr
  • DE624529C - Fuel injection device for internal combustion engines : de en
  • US2028444A - Humidifier : en
  • US2028727A - Construction of machine tools : en
  • CA355521A - Steam deconcentrating apparatus : en fr
  • AT144495B - Cinema projector. : de en
  • AT144475B - Switching arrangement for remote control, remote transmission of measured values, control commands, etc. like : de en
  • FR793338A - Further training in apparatus used for the automatic repetition of railway track signals on board locomotives : en fr
  • CA355531A - Bar cutter : en fr
  • DE624610C - Hinge with automatic locking device for open windows, doors. like : de en
  • GB441683A - Improvements in curtain suspension devices : en
  • US2028337A - Holder for umbrellas : en
  • US2028358A - Handrail for moving stairways : en
  • US2028426A - Bed davenport : en
  • AU1962634A - Improvements in or relating to control means for use with wireless tuning apparatus : en
  • DE622919C - Envelopes or the like with tissue paper or similar filling and dry adhesive closure : de en
  • US2028534A - Variable-selectivity radio receiver : en
  • CA355427A - Hair curler : en fr
  • US2028577A - Speed transmission mechanism : en
  • DE624572C - Rail current switch : de en
  • GB441765A - Improvements in plastic compositions : en
  • AT144387B - Method for determining fat in milk, cream and other colloidal liquids. : de en
  • AT144378B - Eyelet for objects made of rubber, rubber, etc. like : de en
  • CA355469A - High luster metallic finish : en fr
  • US2028563A - Child's toilet seat : en
  • US2028551A - Mounting and joints therefor : en
  • USD98259S - Design for a hose nozzle : en
  • US2028429A - Radio receiving device with distant control : en
  • US2028607A - Roofing : en
  • US2028275A - Motion picture film and method of photography : en
  • FR793434A - Flying machine : en fr
  • DE624648C - Process for the extraction of metals from sulphidic ores : de en
  • GB441720A - Improvements in rotary compressors or pumps : en
  • AT144362B - Process for the preparation of polymethine dyes. : de en
  • AU2086835A - Improvements in or relating to radio or like receivers and transmitters : en
  • FR793328A - Improvements to accelerator pumps : en fr
  • FR793490A - Friction coupling device particularly suitable as vehicle brake : en fr
  • GB441751A - Improvements in and relating to choke coils : en
  • US2028208A - Hydrocarbon engine fuel pump : en
  • GB441381A - Improvements in hydraulic power transmission devices : en
  • GB441704A - Improvements in or relating to voltage regulators : en
  • FR793219A - Leak-proof spray bottle : en fr
  • GB441668A - Improved scavenging arrangements for the cylinders of two-stroke internal combustionengines : en
  • DE624535C - Process for making reflex copies : de en
  • GB441610A - Improvements in adjustable backs for chairs, seats and the like : en
  • FR793284A - Adjustment device for bowden cables, in particular for bicycle and motorcycle brakes : en fr
  • US2028393A - Apparatus for feeding fuel oil to burners for boilers and similar installations : en
  • GB441398A - New azodyestuffs for leather : en
  • GB441472A - Process for the treatment of carbonisable products for obtaining a dry fuel : en
  • GB441596A - Improvements in road materials and road making : en
  • US2028319A - Method of and means for producing bolts and the like : en
  • FR793352A - Automatic punching machine for punched cards : en fr
  • GB441546A - Improvements in or relating to lehr stacking or feeding mechanisms : en
  • GB441563A - Improvements relating to steam superheaters in furnace flue boilers : en
  • DE1361150U - : de en
  • CA355445A - Roller cutter for earth boring drills : en fr
  • GB441503A - Improvements in substances for use as foundations, pavement and the like surfaces, bankings, fillings and so forth : en
  • GB441758A - Improvements in sight-testing cards : en
  • DE624305C - Thermal valve control : de en
  • US2028458A - Refrigerating apparatus : en
  • DE624445C - Letter casting mold, in which the intermediate plate attached to a base plate carries core blocks and core jaws to determine the cone thickness of the letter to be cast : de en
  • DE624675C - Process for the crystallization of filling compounds : de en
  • FR793254A - Clockwork movement using the fall of a heavy mass as motive power and new clock established with the help of this movement : en fr
  • DE604918C - Furnace for melting solids and evaporating liquids and methods of using it : de en
  • DE624639C - Process for the production of a stocking on the flat weft knitting machine : de en
  • CA355492A - Laminated paper making method : en fr
  • FR793215A - Fonture or needle bed for knitting machines : en fr
  • FR793409A - Tin and chrome bronzes : en fr
  • AT144415B - Process for the production of envelopes with picture decorations. : de en
  • AT144417B - Drive device for rail vehicles. : de en
  • US2028678A - Locking and reenforcing means for paper board boxes : en
  • GB441740A - Improvements in or relating to magnetron arrangements : en
  • FR793431A - Air cooler : en fr
  • GB441664A - Improvements in sheet metal floats for fishing nets : en
  • GB441674A - Improvements in heat exchange devices : en
  • US2028511A - Tone control : en
  • GB441569A - Improved appliance for use in cleaning beer pipes : en
  • DE624402C - Device for storing shaped pieces of butter on wrapping paper for butter forming machines : de en
  • DE624646C - Device for debarking tree trunks : de en
  • GB441645A - Improvements relating to dinner wagons and the like : en
  • DE624554C - Set up on rotating scissors : de en
  • GB441661A - An electro-magnetically operated slide valve, in a sealed chest, having no external moving parts, for controlling the flow of steam or other gases under pressure : en
  • GB441702A - Automatic adjusting device for throttle valves of carburetters : en
  • GB441455A - Track signalling system : en
  • GB441733A - Improvements relating to electromagnetic driving means for concentrating, sifting, conveying, moulding, pulverising, crushing and similar apparatus : en
  • FR793237A - Safety razor system : en fr
  • FR793347A - Manufacturing process of carboys or estagnons : en fr
  • DE624496C - Wind-sighted ring roller mill : de en
  • DK51162C - Automatic Tobacco Weight. : da en
  • FR793453A - Method of focusing a photographic lens : en fr
  • DE624390C - Circuit arrangement for amplifier tubes heated with pulsating current : de en
  • DE624584C - Process for the treatment of softened and fleshed raw fur hides : de en
  • DK51156C - Method of gluing pulp to manufacture paper, cardboard, wallboard or shaped fibrous products. : da en
  • GB441766A - An improved arrangement for the measurement of temperature : en
  • FR793471A - Improvement in the manufacturing process of a cosmetic composition : en fr
  • GB441649A - Improvements in the construction of water-cooled furnace walls : en
  • FR793207A - New brick for cement constructions : en fr
  • DE624522C - Capacitor, in particular rod capacitor, consisting of a capacitor winding, which is housed in a tube made of insulating material with metallic connections : de en
  • FR793360A - Improvements made to water closet seats : en fr
  • GB441555A - Improvements in adjustable seats or chairs : en
  • US2028331A - Free piston engine compressor : en
  • US2028603A - Turbo air compressor : en
  • US2028635A - Forcipated surgical instrument : en
  • US2028478A - Rotary drilling apparatus : en
  • US2028527A - Internal combustion engine in which the fuel is preheated : en
  • USD98261S - Design for an apron or similar : en
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  • US2028274A - Coal stoker : en
  • FR793292A - Advanced Webbing Belt : en fr
  • FR793481A - Sewage treatment process : en fr
  • US2028187A - Viscosity-responsive device : en
  • US2028518A - Cell of the solid electrolyte type : en
  • FR793466A - Improvements to automatic telephone call dials : en fr
  • FR793442A - Perpetual calendar : en fr
  • GB441432A - Improvements in or relating to undercarriages for aircraft : en
  • GB441772A - Improvements relating to ignition apparatus for internal combustion engines : en
  • US2028294A - Printing machine : en
  • CA355502A - Labelling machine : en fr
  • GB441396A - Improvements in or relating to submarine cable signalling systems : en
  • US2028539A - Railway track switch controlling apparatus : en
  • DE624511C - Method and device for the production of iron alloys low in carbon and light metal : de en
  • DE623869C - Abraumfoerderbruecke : de en
  • DE624435C - Process for the production of lacquers and varnishes : de en
  • US2028185A - Process for obtaining valuable products from acid sludge : en
  • US2028499A - Light baffling screen : en
  • US2028627A - Telephone booth : en
  • DE624502C - Adjusting device on clocks, drives, etc. : de en
  • FR793458A - Liquid heater with valve regulating the admission of liquid to the heating body : en fr
  • DE624565C - Set binders, consisting of the length adjustable, bars that carry devices at their ends for assembling the bars to a frame : de en
  • DE620453C - Contact wire side holder : de en
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  • USD98276S - Design for a handle for a pot or : en
  • FR793468A - Further training in incubators and in particular in hatchery cabinets : en fr
  • DE624533C - Process for the production of monochrome positive image strips with a particularly three-dimensional projection effect : de en
  • DE624408C - Process for the production of drive chain links with an essentially rectangular shape and round hinge pin by bending and punching out sheet metal strips : de en
  • CA355474A - Lehr : en fr
  • FR793329A - Improvements to starting devices for carburetors : en fr
  • DE624444C - Device for sealing turbine rooms : de en
  • GB441531A - Improvements in or relating to dashpots : en
  • GB441736A - Improvements in or relating to telephone systems : en
  • US2028173A - Control for radiators : en
  • DE624465C - Bracing device for plansifers : de en
  • US2028544A - Automatic weighing machine : en
  • US2028267A - Manufacturing ketones : en
  • GB441517A - Improvements in and relating to apparatus for heating bulk material : en
  • GB441557A - Improvements in or relating to buckle folding machines for folding paper : en
  • USRE19827E - Knitting machine : en
  • DE624651C - Attack-resistant iron-nickel-chromium alloy : de en
  • DE624682C - Process for the production of durable, concentrated, aqueous solutions of cinchona alkaloids : de en
  • CA355453A - Garment box : en fr
  • US2028298A - Radiator : en
  • US2028449A - Type form tie : en
  • US2028579A - Well drilling tool : en
  • CA355541A - Spool holder : en fr
  • US2028168A - Grid lining for centrifugal baskets : en
  • CA355422A - Filament, thread, yarn and fabric manufacture : en fr
  • US2028408A - Food mixer : en
  • US2028211A - Fluid stream control : en
  • US2028219A - Feeding means for sealing pads for receptacle closure caps : en
  • US2028693A - Automatic release valve : en
  • FR793341A - Method of establishing furnaces, partitions or refractory blocks and products obtained using this method : en fr
  • FR793443A - Shock absorber device : en fr
  • FR793313A - Driving force transmission mechanism intended for vehicles and especially for railway vehicles : en fr
  • DE624300C - Lighter with liquid fuel filling : de en
  • DE624495C - Process for the further treatment of cast composite blocks : de en
  • FR793366A - Warm air heating system of the interior of closed body motor cars : en fr
  • GB441511A - Improvements in or relating to apparatus for storing flat articles : en
  • DE624452C - Electric drive of a working machine with constant speed and load by a DC motor : de en
  • GB441761A - Improvements in or relating to the method and means for the synchronisation of television receivers by the transmitter : en
  • US2028327A - Orchard heater : en
  • US2028691A - Method of packaging artificial sausage casings and product : en
  • US2028158A - Method of incorporating extremely viscous lubricants in rope material : en
  • US2028446A - Apparatus for effecting hypodermic injections : en
  • US2028535A - Thermostatic wax pot : en
  • FR793372A - Removable protective sole for laparotomy : en fr
  • GB441631A - Improvements in and relating to facing point lock stretcher bars for railway switch mechanism : en
  • DE624454C - Disc armature for DC counter motors : de en
  • FR793319A - Improvement of sweet juice purification processes : en fr
  • GB441452A - Improvements in and relating to the purification of sulphuric acid : en
  • GB441438A - Improvements in or relating to piezo electric crystals : en
  • US2028217A - Antiparasitic agent and agency : en
  • US2028395A - Apparatus for drying sludge : en
  • US2028648A - Honing tool : en
  • FR793424A - Improvements to statistical register machines : en fr
  • US2028654A - Process for the preparation of : en
  • US2028735A - Refrigerating system : en
  • US2028497A - Radio signaling system : en
  • AT144467B - Double door lock for chimneys. : de en
  • AT144479B - Fluorescent screen, in particular for fluoroscopy. : de en
  • CA355476A - Electrical insulator : en fr
  • US2028332A - Side delivery rake : en
  • GB441515A - Improvements in cocktail shakers : en
  • CA355528A - Cutting apparatus for tire patches, etc. : en fr
  • DE624520C - Adjustment device for permanent brake magnets : de en
  • AT144426B - Paddle wheel propellers with swinging blades. : de en
  • CA355451A - Hearth plate : en fr
  • CA355524A - Register or grille : en fr
  • GB441579A - Improvements in heat sensitive actuating elements : en
  • US2028608A - Motion picture camera and the like : en
  • USPP164P - Cherry variety : en
  • FR793303A - Improvements to automatic alarm devices by telephone signaling in the event of theft, fire or other : en fr
  • AT144397B - Method and device for producing seedlings and seedlings without using soil. : de en
  • US2028164A - Hydraulic shock absorber : en
  • US2028417A - Shelf : en
  • US2028325A - Pipe thread protector : en
  • US2028626A - Remote control device : en
  • USD98214S - Design for a plate or similar article : en
  • AT144477B - Coin-operated machine for network connection radio receivers. : de en
  • US2028257A - Mineral oil composition : en
  • US2028201A - Butt-weld pipe : en
  • USD98228S - Design for a washstand : en
  • US2028536A - Wheel rim : en
  • US2028159A - Toaster for canapes for hors d'oeuvres : en
  • US2028496A - Moving and changing sign : en
  • FR793369A - Process and device for the debituminization of fatty coals that are agglomerated or in pieces : en fr
  • AT144410B - Ski edge protection. : de en
  • US2028247A - Man's hat box for wardrobe trunks : en
  • AT144400B - Process for the production of castings, in particular pipes, e.g. B. cast iron pipes in centrifugal chills. : de en
  • US2028667A - Curtain support : en
  • AU2085735A - Improvement in horseshoes : en
  • US2028480A - Waterinsoluble azodyestuffs : en
  • AU2086435A - Improvements in or relating to telephone systems : en
  • GB441505A - Improvements in or relating to television, telecinematographic and like systems : en
  • DE624425C - Manufacture of chromium chlorine compounds from ferrochrome : de en
  • DE624654C - Impeller water meter without a stuffing box with a totalizing mechanism containing more than one pointer, with magnetic movement transmission and a dry dial : de en
  • US2028461A - Swimming glove : en
  • US2028606A - Pedestal brake valve device : en
  • US2028639A - Decalcification of magnesian dolomites : en
  • CA355484A - Tire : en fr
  • AT144486B - Method and apparatus for making a sound recording. : de en
  • DE624517C - Device socket : de en
  • US2028226A - Process for sulphating olefines : en
  • US2028543A - Toy boat : en
  • DE624674C - Ski binding adjustable in length with springy heel holder and swivel sole hinged to the toe cheeks : de en
  • DE624449C - Device and circuit for displaying and monitoring the temperature of power cables with test elements located in the cable conductor : de en
  • DE624286C - Telegraph system, in particular telex switching system with dialer operation, with equalizing telegraph transmitters that can be switched into the telegraph connection : de en
  • DE624598C - Reinforced wooden strips : de en
  • GB441682A - Improvements in methods of feeding molten glass : en
  • GB441440A - Process for producing filaments from a liquid raw material which may be solidified by the action of liquid or gaseous media : en
  • FR793437A - Colored pigments : en fr
  • GB441466A - Improvements relating to abrasive throwing machines : en
  • GB441577A - Improvements in starting means for internal combustion motors : en
  • FR793243A - Deep well pump : en fr
  • US2028466A - Filter leaf : en
  • USD98252S - Design fob a gum massageb : en
  • AT144439B - Transmission gear, especially for bicycles and. like : de en
  • USD98274S - Design fob a combined washing : en
  • US2028175A - Dispensing tube : en
  • US2028144A - Thread splicing device : en
  • AT144412B - Dry box for gravure paper webs. : de en
  • DE624374C - Process for dyeing and printing vegetable fibers or artificial fibers made from regenerated cellulose with sulfuric acid esters of leukokuepen dyes or their salts : de en
  • CA355544A - Printer's blanket : en fr
  • AT144429B - Pipe connection for steam and air lines of railroad cars. : de en
  • DE624487C - Radially pressurized overpressure turbine : de en
  • US2028509A - Electrical receptacle : en
  • CA355415A - Container for drinking straws : en fr
  • CA355447A - Wrench : en fr
  • AT144359B - Process for the preparation and roasting of fine-grain, sulphidic ores. : de en
  • AT144370B - Process for the representation of higher molecular ethers. : de en
  • AT144460B - Single lever winch. : de en
  • US2028195A - Telephone system : en
  • DE624560C - Method of taking measurements of clothes by means of photographs : de en
  • US2028507A - Pyrometric device : en
  • US2028699A - Apparatus for making print rollers and the like : en
  • SE85321C1 - Feeding device for foxes, poultry or other animals : en sv
  • US2028685A - Microphone transmitter : en
  • US2028235A - Belt conveyer system : en
  • US2028394A - Axle : en
  • US2028439A - Disazodyestuffs : en
  • USD98269S - Design fob a medal : en
  • US2028290A - Nonreversing open-hearth furnace : en
  • US2028558A - Double lever side cutting implement : en
  • USD98227S - Design fob a washstand : en
  • CA355508A - Connecting clip : en fr
  • US2028710A - Printing plate : en
  • DE624555C - Folding knife drive for pointed machines : de en
  • GB441606A - Improvements in and relating to automatic reclosing circuit breaker systems : en
  • US2028680A - Digger : en
  • US2028538A - Starting circuit for gaseous discharge lamps : en
  • AU1972434A - An improved crusher : en
  • FR793351A - Amphibious vehicle : en fr
  • US2028153A - Radiation detector : en
  • US2028390A - Method of producing the alkali metals : en
  • USD98248S - Design fob a blouse : en
  • US2028568A - Pump : en
  • US2028184A - Automobile : en
  • US2028529A - Calculating mechanism : en
  • US2028437A - Die : en
  • US2028151A - Method of corrugating tubes : en
  • US2028512A - Freewheeling device for motor vehicles : en
  • US2028560A - Parter operating means for looms : en
  • US2028313A - Manufacture of cement : en
  • AU2192335A - Improvement in amplification control : en
  • USD98220S - Design for a plate or similar : en
  • GB441660A - Improved dyeing apparatus : en
  • FR793333A - : fr
  • GB441437A - Improved method and apparatus for photo-electric sound reproduction : en
  • DE624528C - Lubrication for internal combustion engines : de en
  • DE624546C - Iron bedding spur attached to the ends of the wooden cross-sleeper : de en
  • GB441460A - Improvements in and relating to prepayment meters : en
  • GB441558A - Improvements connected with television and sound reproduction and apparatus for use therewith : en
  • US2028134A - Mechanism for mechanical measurements : en
  • US2028613A - Brake : en
  • US2028578A - Tube cutter : en
  • DE624456C - Electric multi-filament light bulb for headlights : de en
  • DE624284C - Adjustment device for points and signals : de en
  • US2028336A - Method of carrying out chemical reactions : en
  • US2028492A - Core adapter : en
  • AU1968034A - Improvements relating to water cooled butter coolers andthe like : en
  • DE624612C - Automatic feed device for deep drilling : de en
  • FR793245A - Tilting trough wheel : en fr
  • US2028629A - Automatic locking device : en
  • CA355515A - Road grader mouldboard : en fr
  • US2028214A - Soap ejecting spray head : en
  • US2028317A - Welding rod alloy : en
  • USD98287S - Design for a dress : en
  • US2028490A - Closure : en
  • DE624521C - Electric hairdresser light adjustable in every direction by means of a flexible arm : de en
  • CA355412A - Electric signalling system : en fr
  • AT144488B - Device for stretching the skins of fur animals. : de en
  • AT144374B - Process for the production of products of spongy or cellular structure from aqueous emulsions or dispersions of rubber or the like. : de en
  • AT144403B - Climbing device for snowshoes. : de en
  • DE624644C - Scaffolding ladder with telescopic telescopic rails : de en
  • AU2058834A - Apparatus for packing pills and the like : en
  • US2028566A - Cup holder : en
  • US2028165A - Tire and method of making the same : en
  • US2028618A - Vulcanizing press : en
  • US2028728A - Oil cracking system : en
  • US2028236A - Belt conveyer : en
  • US2028243A - Ingot mold for steel ingots : en
  • AT144484B - Siren, especially for air raid alarms. : de en
  • US2028487A - Spindle bearing : en
  • US2028624A - Apparatus for making castings : en
  • CA355449A - Saw jointer : en fr
  • US2028625A - Brake : en
  • US2028698A - Cotton picking system : en
  • US2028414A - Fluid displacement device : en
  • USD98262S - Design for a coaster : en
  • DE624564C - Process for the production of a water-soluble silver salt of acetylsalicylic acid : de en
  • GB441615A - Improvements in or relating to liquid fuel feeding systems for internal combustion engines : en
  • US2028188A - Viscosimeter : en
  • US2028232A - Submultiple frequency generator : en
  • AT144454B - Corrugated cardboard, in particular for packaging. : de en
  • CA355503A - Rolling door : en fr
  • US2028170A - Spark plug scraper : en
  • US2028473A - Process of treating metallic salt solutions : en
  • CA355436A - Draught excluder : en fr
  • CA355478A - Undergarment : en fr
  • CA355410A - Combined camera and illuminator : en fr
  • CA355499A - Punching machine : en fr
  • CA355540A - Digesting process and apparatus : en fr
  • US2028149A - Safety device : en
  • DK51160C - Aft for multi-propeller vessels. : da en
  • CA355495A - Accounting machine : en fr
  • DE624414C - Clutch control device for motor vehicles with auxiliary power clutch : de en
  • AU2092935A - Improvements in crop stacking machines : en
  • AT144365B - Process for the preservation of fatty fruits with a semipermeable seed coat. : de en
  • CA355479A - Welding apparatus : en fr
  • DE624714C - Fabric take-off device for flat weft knitting machines : de en
  • FR793398A - Improvements in devices for powering heat engines, in particular those for motor vehicles : en fr
  • USD98254S - Design for a blouse : en
  • DK51153C - Radiator suspension. : da en
  • DK51172C - Binding machine, especially for connecting chain wire. : da en
  • FR793239A - Process for hardening gelatin solutions and in particular photographic emulsions containing gelatin and resulting products : en fr
  • CA355482A - Magnesium protecting method : en fr
  • USD98218S - Design fob a plate ob similar : en
  • USD98273S - Design for a piano : en
  • FR793416A - Circular for field gun : en fr
  • GB441594A - Improvements in toys and amusement apparatus : en
  • FR793238A - Vehicle wheel with one or more removable rims : en fr
  • CA355413A - Precast building unit : en fr
  • DE624476C - Bars for blocking machines : de en
  • AT144461B - Electric bicycle lantern. : de en
  • DE624634C - Commutator for electrical machines with subdivided commutator bars : de en
  • AT144386B - Process and device for carburizing generator gas. : de en
  • US2028305A - Tube still and furnace construction : en
  • US2028434A - Device for effectively dissipating heat from machine parts : en
  • AT144352B - Process for welding non-austenitic iron and iron alloys, or steel and steel alloys. : de en
  • AU2054134A - Improvements in and relating to electrical overhead cables : en
  • US2028471A - Department of commerce : en
  • CA355517A - Carbon black manufacture : en fr
  • DE624488C - Household fridge : de en
  • GB441692A - Process for the manufacture of isoalloxazine compounds : en
  • FR793379A - Floats for fishing lines : en fr
  • FR793444A - New intermediates and new azo dyes derived from them : en fr
  • GB441528A - Improvements in or relating to rotary engines, pumps, compressors and the like : en
  • US2028283A - Foam controlling beer faucet : en
  • US2028409A - Oil well pumping apparatus : en
  • GB441454A - Improvements in or relating to the flotation of ores : en
  • GB441685A - Improvements in flushing and like apparatus : en
  • FR793430A - Improvements in the manufacture of securities, such as banknotes or paper for banknotes : en fr
  • US2028222A - Braiding carrier : en
  • USD98264S - Design for a coat : en
  • GB441745A - Improvements in or relating to multi-spindle automatic lathes or like machines : en
  • FR793242A - Improvements to retractable hangar doors : en fr
  • GB441431A - Improvements in or relating to apparatus for filling sacks, bags and other receptacles : en
  • DE624594C - Pressure regulator : de en
  • USD98240S - Design for a trophy cup : en
  • FR793406A - Method and devices for guiding mobiles by emission of short waves : en fr
  • US2028404A - Railway brake : en
  • FR793399A - Pilot lamp device for the maintenance and desulphation of lead-acid batteries, or any other type, used for starting and lighting motor vehicles : en fr
  • GB441467A - Improvements relating to the manufacture of composite metal strip : en
  • AT144351B - Cash register. : de en
  • DE624571C - Electric point machine that can be cut open : de en
  • GB441401A - Improvements relating to duplicate and like tear-out books : en
  • GB441642A - Improvements in or relating to electrical signalling systems : en
  • GB441519A - Improvements in or relating to vacuum tins, cans, bottles and the like : en
  • GB441658A - An improved process for the production of dry glues from dextrin : en
  • FR793307A - Process for waterproofing construction or other materials : en fr
  • FR793454A - Process for producing ornamental effects on cellulosic textile surface formations : en fr
  • GB441408A - Process for the manufacture of pyrene compounds : en
  • FR793206A - Device for determining the erythematic sensitivity of the skin : en fr
  • FR793247A - Soft feather for floating line fishing : en fr
  • GB441644A - Improvements in or relating to automatic telephone systems : en
  • GB441669A - Manufacture of coating preparations : en
  • US2028287A - Process of making glued up plywood : en
  • DE624593C - Spring lid lighter : de en
  • FR793244A - Use of plastics as shock absorbers in bottle packaging : en fr
  • FR793401A - Reinforcing steel bars for reinforced concrete and their processing method : en fr
  • GB441389A - Improvements in the manufacture and production of dyestuffs : en
  • FR793376A - Sophisticated vehicle washing installation : en fr
  • US2028380A - Pencil : en
  • FR793301A - Gyro-magnetic repeater compass : en fr
  • GB441424A - Improvements relating to a resilient spring packing for the rollers of laundry ironing machines : en
  • FR793202A - Disazo dyes and process for their production : en fr
  • DE624405C - Blaehkoerperdichtung for piston pumps, in which the Blaehkoerper is arranged behind an elastic piston ring : de en
  • GB441497A - Improvements in or relating to mechanical power transmitting devices for use with pumps : en
  • GB441656A - Vehicle wheels : en
  • FR793304A - Mechanism usable as pump, compressor or motor : en fr
  • GB441622A - Improvements in or relating to the coating of materials : en
  • GB441763A - Improvements in airscrew drives : en
  • FR793265A - Tab or marker for file folder : en fr
  • FR793435A - Process for the flat covering of faceted surfaces by means of artificial resin masses made flowable by heating : en fr
  • GB441687A - Improvements in devices for cooling the barrels of quick firing guns : en
  • GB441411A - Improvements in processes of sensitizing photographic silver-halide layers incorporating colouring matter : en
  • GB441722A - Improvements relating to metal partitions for rooms and the like : en
  • DE624664C - Rotary lobe pump, especially for viscous material : de en
  • US2028694A - Eolder for toilet articles : en
  • US2028297A - Apparatus for bagging rollable articles : en
  • US2028704A - Fastener attaching machine : en
  • USD98277S - Design for an ensemble dress : en
  • GB441446A - Improvements in or relating to intermediate weft stop motions for looms with feeler and lifter : en
  • DK51155C - Procedure for Preserving Wall Substance in Raw Condition. : da en
  • CA355444A - Earth boring drill : en fr
  • US2028276A - Box : en
  • US2028630A - Coin time switch system : en
  • GB441760A - Improvements in hydraulic motors : en
  • GB441694A - Improvements relating to pumps for delivering oil into bottles : en
  • GB442008A - Method of and apparatus for recovering water from or supplying water to subterraneanformations : en
  • US2028671A - Cake pan : en
  • US2028462A - Mask : en
  • US2028555A - Sprinkling attachment for hose : en
  • US2028562A - Plate heat exchanger : en
  • DE624668C - Application of glue solutions with or without the addition of elastic substances to fabric : de en
  • GB442007A - Improvements in and relating to the manufacture of spirit shampoos : en
  • US2028242A - Soap ejecting spray head : en
  • DE624632C - Drive for switching on electrical switches : de en
  • US2028135A - Pneumatic tire : en
  • US2028156A - Wire rope : en
  • AT144453B - Liquid fuel wick. : de en
  • GB441565A - Improvements in or relating to picnic outfits : en
  • FR793405A - Process for making water resistant sandpaper : en fr
  • GB441536A - Telephone loading unit and method of balancing same : en
  • US2028525A - Lock : en
  • DE624410C - Machine for the production of pocket straps for upholstery and mattresses filled with springs : de en
  • US2028661A - Box fastener : en
  • US2028453A - Illuminating apparatus : en
  • GB441640A - Improvements in electric alarm and/or control devices : en
  • FR793382A - Make-up removal towel : en fr
  • FR793438A - Film advancement device for cinematographic apparatus, in particular for narrow film projectors : en fr
  • US2028644A - Apparatus for simultaneously twist : en
  • AT144470B - Bullet. : de en
  • GB441465A - Improved rubber or elastic yarn filaments or thread and method for the production thereof : en
  • GB441626A - Improvements in vacuum tube amplifiers : en
  • FR793400A - Filtering and diffusing cartridge against backfire : en fr
  • FR793470A - Planting and sowing machine : en fr
  • AT144369B - Process for the production of malleable and hardenable condensation products and of synthetic masses from them. : de en
  • CA355440A - Packaged bottle : en fr
  • CA355455A - Health apparatus : en fr
  • CA355500A - Sanitary belt : en fr
  • IE13579L - Burners for gaseous or vaporous fuel : en
  • GB441509A - Improvements in the hydrogenation of tar oils : en
  • GB441604A - Method of testing the structure of magnetisable structural materials : en
  • GB441699A - Improvements in control systems for electrically propelled vehicles : en
  • FR793229A - Toothbrush enhancements : en fr
  • GB441708A - Improvements in and relating to packing devices for shafts and like bodies : en
  • GB442045A - A method of producing a fibrous material in layer form, suitable for heat insulation or packing purposes : en
  • DK51152C - Wind turbines with several Work Machines. : da en
  • US2028299A - Spring leaf spacer : en
  • US2028611A - Precision measuring instrument : en
  • GB441444A - A method of continuously feeding a web of fabric in open state into a treating liquid and a device for carrying out the method : en
  • US2028279A - Photographic material : en
  • US2028587A - Multiple switch : en
  • USD98212S - Design for a plate or similar article : en
  • DE624422C - Process for emptying storage containers for granular and powdery materials by means of gaseous pressure medium acting on the surface : de en
  • DE624600C - Process for grinding and mixing cement clinker and raw gypsum : de en
  • GB441574A - Improvements in or relating to preparations of natural or artificial milk containingbacillus acidophilus : en
  • AT144423B - Rubber cushions for seats of automobiles and the like like : de en
  • CA355419A - Hockey stick : en fr
  • FR793343A - Device for the destruction of flies, mosquitoes and insects by electricity : en fr
  • GB441663A - Improvements in or relating to tablets containing magnesium hydroxide : en
  • AT144425B - Suspension for vehicles and vehicle parts of all kinds. : de en
  • FR793349A - Advertising indicator : en fr
  • FR793342A - Cream cooling machine : en fr
  • DE624640C - Device for displaying and regulating the thread speed for textile machines, especially circular knitting machines : de en
  • FR793368A - Improvements to men's shirts with turn-down collar : en fr
  • DE624698C - Device for limiting the movement of jerky machine parts on typewriters and similar machines : de en
  • FR793425A - Handling device applicable to all vehicles : en fr
  • GB441435A - Improvements in or relating to tar-distillation and like stills : en
  • AT144468B - Spindle seal on burners for liquid fuels. : de en
  • GB441421A - Improvements in or relating to the manufacture and colouration of artificial filaments, films, foils and the like : en
  • GB441858A - Improvements in and relating to internal combustion engines : en
  • GB441512A - Improvements in or relating to fuel supply systems of internal combustion engines of the solid fuel injection compression ignition type : en
  • AT144466B - Chimney cleaning device. : de en
  • US2028142A - Armor block for water walls and the like : en
  • US2028347A - Heated boot : en
  • FR793222A - Board game, skill and reflexes : en fr
  • GB441418A - Improvements relating to apparatus for separating magnetic particles from liquids : en
  • GB441659A - Improvements in and relating to apparatus for the registration of signals in automatic telephone installations : en
  • USD98208S - Design for a multiple service hair : en
  • DE624589C - Luffing crane : de en
  • DE620572C - Method and device for conveying powdery bulk goods using a gaseous pressure medium : de en
  • DE624623C - Radially loaded turbine with toroidal steam chambers : de en
  • GB441852A - Improvements in or relating to sash or similar fastening devices : en
  • GB441695A - Improvements in or relating to pressure indicating devices : en
  • DE624513C - Separator for accumulators : de en
  • FR793390A - Method and device for reproducing sound by means of several loudspeakers : en fr
  • US2028605A - Signal valve device : en
  • US2028655A - Fluent material dispensing device : en
  • FR793250A - Process for preparing condensation products : en fr
  • FR793451A - Oil burner : en fr
  • GB441414A - Improvements in or relating to vacuum systems for operating brakes and other devices on road vehicles : en
  • GB441493A - Improvements in the manufacture and production of dyestuff compositions : en
  • DK51146C - Movable dispensing apparatus, especially for dispensing draft beer at restaurants. : da en
  • GB441591A - Improvements in or relating to modulated carrier wave receivers and demodulators : en
  • DE618692C - Laundry rammer : de en
  • DE624460C - Process for the production of a knitted fabric on the flat weft knitting machine, in which parts of a row of stitches according to the pattern are not pressed : de en
  • DE624254C - Fluid change gearbox : de en
  • GB441755A - An improved method for the manufacture of jewellery : en
  • USRE19833E - Combustion chamber heating device : en
  • FR793336A - Method and device for removing parallax from polychromatic screens when taking pictures of color images : en fr
  • GB441742A - Improvements in or relating to screw propellers for aircraft : en
  • DE624662C - Cinematographic recording device with continuous film movement : de en
  • USD98225S - Design for a plate or similar : en
  • US2028303A - Production of organic disulphides : en
  • AT144441B - Electric boiler. : de en
  • CA355418A - Pliers : en fr
  • GB441504A - Improvements in or relating to foundry moulding machines : en
  • US2028397A - Rubber dispersion in alkali silicates : en
  • US2028712A - Printing plate : en
  • GB441602A - Free wheel hub with interchangeable sprockets and roller bearings : en
  • GB441537A - Method and apparatus for making emulsions : en
  • GB441855A - The manufacture of water insoluble azodyestuffs : en
  • US2028575A - Colloidal copper solution : en
  • FR793378A - Application of pneumatic speaker : en fr
  • US2028255A - Self-fertilizing flowerpot : en
  • US2028464A - Security depository : en
  • US2028652A - Drawing of wires : en
  • DE624480C - Drinking equipment for play dolls : de en
  • US2028669A - Ice removing means : en
  • GB441665A - Improvements in or relating to vehicle brakes : en
  • US2028378A - Etheric vibrator : en
  • DE624473C - Connection piece for the neck and lid wire ring of a canning jar : de en
  • DE624621C - Process for the preparation of o- or peridicarboxylic acid nitriles of benzene or naphthalene : de en
  • FR793388A - Pressure or vacuum limiter for containers : en fr
  • FR793236A - Pipe flange for branch lines, especially for water pipes : en fr
  • FR793258A - Kitchen appliance : en fr
  • GB441676A - Improvements in and relating to rail brake magnets : en
  • AT144418B - Pulling and buffing device for railway vehicles. : de en
  • US2028194A - Printing telegraph system : en
  • USD98239S - Design for a coat : en
  • DE624443C - Process for the production of basic products from saccharides : de en
  • GB441739A - Improvements in or relating to heald motions for weaving looms : en
  • DE624423C - Water column machine with oscillating piston : de en
  • DE624687C - Method for improving the synchronism between sound and image presentation in dubbed sound image films : de en
  • DE624516C - Device for preventing the twisting of overhead line ropes caused by weight loading : de en
  • FR793403A - Air navigation device stabilization device : en fr
  • GB441213A - Improvements in or relating to electrical signalling systems : en
  • GB441433A - Improvements in or relating to tobacco feeding apparatus : en
  • FR793428A - Device translating the laws of graphic statics : en fr
  • DE624466C - Drive device for cinematographic playback devices : de en
  • FR793273A - Dosing and dispensing device for milk and other food liquids : en fr
  • GB441595A - Improvements in endless tracks for vehicles : en
  • USD98223S - Design for a plate or similar : en
  • US2028234A - Hair curler : en
  • US2028628A - Telephone booth : en
  • AT144487B - Photographic camera with a photoelectric light meter. : de en
  • US2028370A - Apparatus for the control of highway crossing signals : en
  • US2028262A - Film holder and hanger : en
  • US2028421A - Single insulator fuse mounting : en
  • AT144430B - Machine for roughening concrete roads before their completion. : de en
  • US2028410A - Method and apparatus for handling starch in confectionery manufacture : en
  • US2028572A - Arc regulator : en
  • US2028405A - Elevator apparatus : en
  • US2028631A - Fluid pressure brake : en
  • AT144448B - Safety gas burner. : de en
  • US2028455A - Header construction : en
  • FR793317A - Device for regulating by means of a relay the intensity and the delay of the operation of the fuse circuit breaker : en fr
  • GB441453A - Improvements in or relating to the purification of lactic acid and its salts : en
  • GB442135A - Improvements in or relating to the treatment of textiles and other fibrous materials : en
  • AT144354B - Active oxygen-releasing detergents. : de en
  • AU2061334A - Synthetic resin compositions : en
  • USD98221S - Design for a plate ob similar : en
  • AU2088835A - Improvements in or relating to electrical oscillation generators : en
  • FR793426A - Helicopter : en fr
  • FR793463A - Method and device for determining unevenness : en fr
  • GB441399A - Improvements in the manufacture of nitriles : en
  • US2028584A - Refrigerating machine : en
  • US2028559A - Loom : en
  • USD98249S - Design fob a watch crystal : en
  • US2028150A - Means for corrugating tubes : en
  • DE624331C - Process for the production of high molecular weight glycols : de en
  • GB441391A - Cellulose-coated materials and their manufacture : en
  • US2028268A - Electrical contact receptacle : en
  • FR793353A - Radio reception method : en fr
  • FR793380A - Enhancements to sustained luminescence lighting : en fr
  • US2028646A - Composite locomotive driving wheel : en
  • US2028715A - Fire resistant composition : en
  • AU2057834A - Improvements in or relating to a process and apparatus for the production of shoes with sponge rubber soles : en
  • US2028528A - Metal fastener : en
  • US2028220A - Seed bed cover : en
  • CA355421A - Cellulose derivative manufacture : en fr
  • AT144485B - Rotating gripper for sewing machines with a fixed bobbin case. : de en
  • DE624519C - Switching arrangement for night time electricity meter in connection with a time switch for hot water storage tank : de en
  • FR793276A - Ventilation suction cup functioning as a vacuum cleaner : en fr
  • FR793407A - Centrifugal pump priming device : en fr
  • FR793461A - Cartridge for cleaning the barrel of firearms : en fr
  • USD98281S - Design fob a tag : en
  • AT144452B - Hurricane lantern. : de en
  • US2028484A - Motion picture projector : en
  • AT144395B - Snow plate fastening, in particular for ski poles. : de en
  • AT144481B - Easel file. : de en
  • AT144396B - Flexible profile tape for belts, bracelets, jewelry or the like. : de en
  • DE624419C - Box feeder with reserve chamber and automatic control of the fiber material feed : de en
  • US2028354A - Adjustable die holder : en
  • US2028697A - Well spudding apparatus : en
  • US2028650A - Advertising folder : en
  • DE624543C - Process for the production of dyed covering materials provided with embossed patterns : de en
  • FR793402A - Smooth motion film image and sound transmission with perfect optical compensation : en fr
  • GB441701A - Improvements in or relating to method and apparatus for testing eyes : en
  • CA355489A - Fruit spray residue removing method : en fr
  • FR793446A - Carburetor : en fr
  • GB441753A - Method of manufacturing metallic sodium : en
  • DE624663C - Speed change gearbox for the drive of continuously working blueprint machines : de en
  • US2028326A - Apparatus for the production of hydrogen : en
  • CA355538A - Identifiable yarn and fabric : en fr
  • DE624500C - Switch for the lighting system of motor vehicles : de en
  • AT144493B - Device for sewing machines for the production of carpets by means of a hollow needle. : de en
  • AT144496B - String instrument. : de en
  • US2028541A - Apparatus for automatic regulation of rectifiers : en
  • GB441729A - Improvements in or relating to coin freed vending machines : en
  • US2028733A - Production of sulphuric acid by the contact process : en
  • AT144428B - Metal, self-supporting car bodies, in particular for buses and coaches. : de en
  • AT144394B - Machine for cleaning and cutting beets or the like. : de en
  • DE624716C - Dental handpiece with a connection sleeve and one arranged in the inside of the handpiece, the clamping device for the tool always held in the clamped state and the clamping spring : de en
  • AU2086335A - An improved coin dispenser : en
  • FR793294A - Improvements to vehicle seats and other applications : en fr
  • US2028640A - Suction cup : en
  • US2028212A - Radio transmitting system : en
  • US2028556A - Adjustable bearing : en
  • FR793456A - Portable typewriter : en fr
  • US2028249A - Damper control system : en
  • US2028321A - Shoe reshaping device : en
  • US2028664A - Vehicle direction indicator : en
  • US2028229A - Miniature building structure : en
  • US2028258A - Device for storing eggs or the like : en
  • US2028475A - Light conversion system : en
  • FR793464A - Process for producing by destructive hydrogenation interesting products from solid carbonaceous materials : en fr
  • GB441442A - Improved device for extinguishing fires on board ships : en
  • GB441724A - Improvements in electromagnetic indicators : en
  • DE1360828U - : de en
  • CA355443A - Rotary earth boring drill : en fr
  • GB441535A - Improvements in or relating to machines for hobbing the teeth of worm wheels : en
  • GB441619A - Improvements relating to the spacing and guiding of warp threads in looms : en
  • DE624436C - Process for the production of clear drying nitrocellulose lacquers : de en
  • GB441448A - Process for the manufacture of nitrogenous cellulose derivatives : en
  • GB441851A - Improvements in or relating to wireless receiving or transmission apparatus : en
  • GB441516A - Improved process for the manufacture of refractory products from raw materials rich in magnesium orthosilicate, particularly olivine rocks : en
  • FR793479A - Stethoscope : en fr
  • GB441441A - Improvements in and relating to the production of foam such as is used for fire extinguishing purposes : en
  • FR793201A - Improvements in centrifugal apparatus intended for uniform distribution and drying of the light-sensitive layer, applied in the fresh state, on stones, engravings and other similar objects : en fr
  • GB441707A - Combined switch and battery holder for battery operated electric circuits : en
  • GB441717A - Improvements in or relating to methods of direct-current braking for three-phase motors : en
  • US2028552A - Cigarette : en
  • US2028286A - Seismic surveying : en
  • US2028688A - Ballast cleaning apparatus : en
  • AT144392B - Lockable joint for collapsible devices, especially skis. : de en
  • AT144469B - Air purification and disinfection apparatus. : de en
  • DE624437C - Process for the production of mineral spirits from gases containing such : de en
  • DE624665C - Two-wheeled chassis for a removable motorized sprayer : de en
  • AT144427B - Arrangement of the wheels of six-wheel wagons or the like. : de en
  • DE624569C - Mobile ramming machine, especially for compacting the road substructure : de en
  • DE624582C - Process for the preparation of Kuepen dyes : de en
  • DE624539C - Swing saddle for passengers on motorcycles or the like : de en
  • FR793474A - Heating body with heating tubes : en fr
  • FR793346A - Radio-electric signaling with reception on any one of the frequencies of a series fixed in advance : en fr
  • DE624536C - Pin holder : de en
  • DK51168C - Device at Water closets. : da en
  • FR793210A - Improvements to rotary wing aircraft : en fr
  • FR793457A - typewriter cart exhaust : en fr
  • GB441607A - Improvements in or relating to portable tools : en
  • GB441634A - Improvements in piston rings : en
  • GB441657A - Improvements in or relating to friction-clutches : en
  • DE624650C - Process for defleading zinc oxide : de en
  • GB441678A - Improvements in and relating to vacuum cleaners : en
  • GB441671A - Improvements in or relating to movable vehicle bodies, which, when moving, are impinged upon by an airflow : en
  • GB441748A - Improvements in and relating to laminated brushes for commutator electric machines : en
  • GB441500A - Improvements in or relating to apparatus for drying stereotype matrices : en
  • GB441618A - Improvements in or relating to circular looms and driving means therefor : en
  • DE624532C - Wood grinder stone : de en
  • DE624613C - Process for post-treatment of malt : de en
  • DK51158C - Device by Windows. : da en
  • GB441728A - Improvements in speedometers : en
  • GB441856A - The manufacture of stable highly concentrated preparations containing alkali hydrosulphides : en
  • FR793417A - Improvements to inn locks : en fr
  • US2028191A - Alternating current to direct current converter : en
  • DE624406C - Reversing valve, especially for mixer taps in bathing facilities : de en
  • FR793358A - Improvements to pressurized fluid oil cables : en fr
  • FR793323A - Oleopneumatic control system applicable to the automatic variation of the incidence of the blades of aircraft propellers : en fr
  • US2028333A - Heavy fuel vaporizer : en
  • US2028374A - Torque testing apparatus : en
  • US2028580A - Suction nozzle : en
  • AU2092635A - Valve operating mechanism for flushing cisterns : en
  • US2028701A - Oil field skid winch : en
  • USPP162P - watkins : en
  • GB441587A - Game board : en
  • GB441621A - Improvements relating to the reproduction of sounds : en
  • GB441727A - Improvements in intermediate frequency transformers : en
  • US2028176A - Brush rigging and end cap assembly for surgical motors and the like : en
  • US2028400A - Tractor-trailer vehicle : en
  • USD98224S - Design for a plate ob similar : en
  • FR793370A - Power supply installation for arc lamps by generator : en fr
  • GB441681A - Improvements in or relating to lehr stacking or feeding mechanisms : en
  • FR793408A - Advanced roller conveyor : en fr
  • DE624472C - Bayonet-like capsule closure for bottles with sealing plate and radial inner grooves in the capsule base : de en
  • US2028251A - Wrapping tape : en
  • US2028583A - Brake : en
  • US2028513A - Davit mechanism device for launching lifeboats : en
  • US2028264A - Perforator : en
  • GB441562A - Improvements relating to the garaging or parking of motor vehicles : en
  • GB442006A - Improvements in and relating to piston and connecting rod assemblies for fluid-pressure engines : en
  • USD98272S - Design for a piano : en
  • DK51161C - Device at Bogier for Railway Wagons. : da en
  • USD98231S - Design fob a button : en
  • FR793297A - Filter material for protective masks against hydrocyanic acid : en fr
  • GB441726A - Improvements in cartons or containers : en
  • GB441646A - Improvements relating to machines for shaping electric lamp bulbs : en
  • FR793234A - Ball bearings : en fr
  • GB441501A - Improvements in or relating to self-acting rakes : en
  • GB441406A - Improvements in or relating to the reinforcement of abrasive wheels : en
  • GB442203A - Apparatus for boring into earth material and methods of treating such material involving a boring operation : en
  • FR793487A - Improvements in skill games : en fr
  • GB441388A - Improvements in ships' hatches : en
  • AT144449B - Electrically heated device. : de en
  • AT144480B - Steep view file and map for this. : de en
  • US2028412A - Bubbler tip : en
  • AU2009234A - Improvements in knitting machines : en
  • CA355488A - Malleable iron casting : en fr
  • US2028399A - Plastic compositions and method of making the same : en
  • US2028711A - Printing plate : en
  • AU2168735A - Improvement in heterodyne signalling systems andthe like : en
  • US2028377A - Toy menagerie cage : en
  • US2028517A - Lubricating device : en
  • AT144455B - Suspension lift with hoisting rope and hoisting rope. : de en
  • CA355529A - Motor operated valve : en fr
  • US2028146A - Method of and apparatus for feeding tape and projecting images therefrom : en
  • US2028719A - Dry material feeding device : en
  • DE624545C - Device for guiding a pre-printed paper web in register : de en
  • DE624673C - Device for displaying the speed of stroke in a rowing boat : de en
  • US2028131A - Valve construction : en
  • US2028716A - Fire resistant electrical conductor : en
  • AT144383B - Process for identifying various types of carbolineum emulsions. : de en
  • DE624530C - Device for locking machine parts with hydraulic drives, in particular on machine tools : de en
  • US2028468A - Water closet construction : en
  • USD98245S - Design for a cigarette and cigar : en
  • FR793275A - Removable flexible wall fixing system on solid bodies that can be belted : en fr
  • FR793484A - graduated scale for receiving stations of t. s. f. : en fr
  • AT144358B - Cobalt-aluminum-nickel-iron alloys for permanent magnets. : de en
  • AT144424B - Epicyclic gears, in particular for motor vehicles. : de en
  • DE624653C - Cleaning process for mercury, which is used as a cathode in the electrolytic deposition of the iron group metals and is reused after cleaning : de en
  • FR793278A - Improvements to mounts for optical observation instruments : en fr
  • GB441420A - Improvements in or relating to the construction of roofs, ceilings and floors : en
  • CA355433A - Eyeglass mounting : en fr
  • FR793395A - Candy box convertible into a cup : en fr
  • GB441417A - Improvements in furnaces : en
  • GB441741A - Improvements in a multiple joint extension union : en
  • DE624629C - Electric toggle quick switch : de en
  • GB441458A - Improvements in the cylinder heads of explosion or combustion engines : en
  • GB441775A - Improvements in and relating to the production of sheets, bands and objects of metal for electrical purposes : en
  • AT144482B - Coupling device for driving cash registers, calculating or accounting machines. : de en
  • DE624482C - Gluing device, especially for bottle labeling machines : de en
  • FR793334A - compound elements and their manufacturing process : en fr
  • DE624702C - Road roller with roller wheels that can be adjusted according to the inclination of the road cross-section : de en
  • US2028230A - Condenser motor : en
  • US2028660A - Pencil sharpener : en
  • FR793321A - Method and valve for the detection and amplification of alternating electric currents and their radio-electric and other applications : en fr
  • GB441768A - Apparatus for pricking or aerating greens, lawns, and such like : en
  • DE624635C - Single or multi-phase short circuit motor : de en
  • DK51151C - Bike. : da en
  • FR793499A - Diamond sawing machine : en fr
  • GB441597A - Addressing and like series-printing apparatus : en
  • GB441762A - Improvements in or relating to circuits for cathode-ray tubes : en
  • DE624514C - Device for filling liquid containers : de en
  • FR793306A - Improvements to cardboard boxes or similar material : en fr
  • GB441589A - Improvements in or relating to electric fuses : en
  • FR793285A - Box for powder and eyeshadows : en fr
  • GB441624A - Manufacture and application of polymethine dyestuffs and intermediate products : en
  • GB441518A - Continuous process and apparatus for elimination by physical means of sulphur contained in benzols : en
  • FR793480A - New advertising device with interchangeable letters : en fr
  • FR793266A - Cutter and pick-up machine for mines : en fr
  • GB441654A - Improvements in the construction of vehicle bodies : en
  • AT144437B - Electrically controlled door opening and closing device for vehicles operated by pressure medium. : de en
  • FR793384A - Plastic paste for plaster : en fr
  • US2028137A - Tuning arrangement for radio receiving sets : en
  • US2028617A - Car door : en
  • US2028246A - Method of preparing benzoyl persulphide : en
  • CA355424A - Faucet device : en fr
  • GB441539A - Improvements in, or relating to, release mechanism for automatic electric switches or circuit breakers : en
  • FR793462A - Insulation fault indicator for overhead lines : en fr
  • FR793500A - High pressure tubular steam generator : en fr
  • GB441423A - Improvements in or relating to envelopes and the like : en
  • GB441586A - Process of producing crystallized ammonium nitrate with utilization of the reaction heat for the evaporation of water : en
  • FR793436A - Process for preparing particularly suitable catalysts for hydrogenating treatments : en fr
  • FR793482A - Process for making isopropyl ether starting directly from propylene : en fr
  • DE624297C - Hair curlers for making permanent waves : de en
  • GB441445A - Improvements in or relating to aircraft : en
  • GB441769A - Improvements in heat insulating units : en
  • GB442075A - Improvements in mechanism for reversing internal combustion engines : en
  • FR793393A - Inclined static dryer : en fr
  • DE624541C - Bolt : de en
  • DE624649C - Process for processing liquid zinc-containing slag : de en
  • FR793260A - Periscope rifle and its observation devices : en fr
  • GB441754A - Improvements in or relating to electric discharge tubes : en
  • FR793476A - Improvements to the assembly of glasses : en fr
  • GB441971A - Improvements relating to rotary intaglio printing : en
  • DE624538C - Bicycle lock : de en
  • US2028356A - Convertible garment : en
  • DE624559C - Device for arranging oval cigarettes in an overlapping position : de en
  • AT144494B - Earmuffs. : de en
  • DE624551C - Drive device for sound films : de en
  • FR793339A - New toy consisting of a removable merry-go-round : en fr
  • US2028532A - Cable and rope winding appliances such as winches and hoists : en
  • US2028494A - Machine for making finishing welts : en
  • US2028272A - Sound absorbing construction : en
  • US2028431A - Method of compressing compressible material into a solid pack : en
  • US2028152A - Hydraulic transmission : en
  • US2028557A - Swash type engine : en
  • AU101602B2 - Improvements in refrigerating apparatus for icecream vending machines : en
  • US2028730A - Steady bearing for centrifugal separators : en
  • DE624686C - Roll winding machine : de en
  • GB441693A - Improvements in or relating to cathode ray tubes and methods and apparatus for making the same : en
  • DK51167C - Procedure and Extruction Nozzle for the Production of Hollow, Closed Formstones. : da en
  • DE624626C - Locomotive tender : de en
  • GB441456A - A device for applying sealing-wax : en
  • CA355533A - Telephone system : en fr
  • US2028215A - Vacuum cleaner : en
  • US2028140A - Winding machine : en
  • DE624608C - Closure for pressure medium container, especially for a container containing liquefied extinguishing gas : de en
  • US2028612A - Bird cage seed guard frame : en
  • US2028714A - Fastener : en
  • DE624317C - Process for the production of sulfur-rich, light-colored sulfonation products from sulfur-rich mineral oils, tea oils or shale oils : de en
  • US2028379A - Control means for garment or ironing presses : en
  • US2028387A - Valve : en
  • US2028406A - Double jaw wrench : en
  • US2028330A - Ventilated and humidified storage receptacle : en
  • USD98213S - Design for a plate or similar article : en
  • US2028675A - Expansion valve for steam : en
  • US2028403A - Plastic compositions of matter : en
  • US2028609A - Locking-band : en
  • AT144472B - Balancing machine. : de en
  • GB441843A - Improvements in or relating to mountings or connections, particularly applicable to motor vehicles : en
  • CA355407A - Corner pointing apparatus : en fr
  • FR793383A - Counter : en fr
  • GB441689A - Improvements in stringed musical instruments : en
  • AT144456B - Device for automatic switching on and off of the target lighting on handguns. : de en
  • US2028594A - Self-winding watch : en
  • DE624638C - Process for the production of indigoid dyes : de en
  • GB441696A - Improvements in or relating to toy pistols : en
  • CA355512A - Variable condenser : en fr
  • US2028231A - belt conveyer : en
  • US2028451A - Auxiliary hydraulic steering mechanism : en
  • US2028672A - Combined lock and latch : en
  • USD98268S - Design fob a combination display : en
  • US2028665A - Curtain support : en
  • CA355439A - Organic solvent : en fr
  • SE85331C1 - : en
  • US2028312A - Electroplating of aluminium : en
  • US2028376A - Hand bag : en
  • GB441730A - Improvements in or relating to automatic altitude control means for internal combustion engines : en
  • GB441776A - Improvements in or relating to arrangements for adjusting the characteristics of electric gas discharge devices and their application : en
  • CA355458A - Flexible shafting : en fr
  • US2028237A - Locking device : en
  • US2028350A - Plier type stapling machine : en
  • US2028459A - Device for reducing torsional vibrations in shafts : en
  • US2028729A - Coin controlled apparatus : en
  • AT144433B - Closed motorcycle sidecar. : de en
  • US2028196A - Switch : en
  • FR793220A - Coupling, guiding and running truck system for vehicles traveling on rail and road : en fr
  • CA355510A - Glass sheet feeding apparatus : en fr
  • US2028454A - Bathtub cover : en
  • USD98253S - Design fob a wall bracket lamp : en
  • DE624324C - Machine for the production of zippers : de en
  • US2028683A - Multiple unit control system : en
  • DE624592C - Measuring device for determining the internal forces and their influence lines occurring in a statically indeterminate carrier system : de en
  • US2028163A - Process and apparatus for manufacturing paper cups : en
  • US2028593A - Ornament : en
  • US2028209A - Removable hood for the rumble seat of automobiles : en
  • US2028401A - Railway line : en
  • FR793208A - Device for transmitting information by cable using high frequency : en fr
  • FR793414A - Acoustic sounding device at sea : en fr
  • US2028419A - Apparatus for the continuous treatment of fibrous materials : en
  • US2028679A - Winding machine : en
  • CA355461A - Piston ring : en fr
  • DE624499C - Photographic camera in which a mirror rangefinder is coupled to the lens extension : de en
  • DE624574C - Brake assembly : de en
  • FR793232A - Lock suitable in particular for residential doors : en fr
  • US2028172A - Art of irrigating and fertilizing plants : en
  • US2028457A - Refrigerating apparatus : en
  • US2028531A - Pump for compressed liquefied gases : en
  • US2028637A - Reversible mounting for trolley wheels : en
  • DE624562C - Device for cooling lignite briquettes : de en
  • DE624567C - Process for producing a carbon-rich pig iron with less than 0.5% silicon, less than 0.3% manganese and not more than 0.05% sulfur : de en
  • FR793271A - Derailleur reciprocating system : en fr
  • GB441653A - Improvements in or relating to the vulcanisation of rubber : en
  • US2028649A - Broiler : en
  • FR793493A - Metal bottle rack, advanced : en fr
  • US2028162A - Method of making zinc sulphide : en
  • AT144473B - Process for making records. : de en
  • FR793248A - Device allowing the semi-lateral movement of automobiles by their own means : en fr
  • GB441721A - Improvements in or relating to conical friction clutches : en
  • US2028320A - Rock drill supporting frame : en
  • GB441428A - Improvements in and relating to dock gates : en
  • USD98284S - Design for a stove : en
  • DE624399C - Chute firing, especially for stoves : de en
  • DE624561C - Bleaching, oxidizing and disinfecting agents : de en
  • DE624642C - Hydraulic intermediate gear for knitting machine parts : de en
  • DE623994C - Garbage collection device on garbage trucks with movable cover : de en
  • DE624395C - tampon : de en
  • US2028349A - Lubricant and process of making same : en
  • US2028392A - Thread clearer : en
  • US2028545A - Weighing mechanism : en
  • GB441578A - Eyelash curler : en
  • DE624505C - Horizontal chamber furnace with ceiling duct : de en
  • FR793314A - Warm air heating system of the interior of closed body motor cars : en fr
  • USD98258S - Design for a coat : en
  • USD98280S - Design for a safety shield fob tool : en
  • USD98246S - Design fob a textile fabric : en
  • FR793371A - Apparatus for making ice cream : en fr
  • DE624442C - Process for preparing the mash for brewing purposes : de en
  • US2028324A - Shoe polish : en
  • USD98229S - Design fob a lid fob a containeb : en
  • GB441520A - Improvements relating to fire extinguishers : en
  • GB441608A - Improvements in or relating to coin-freed automatic delivery apparatus : en
  • US2028300A - Apple packing device : en
  • FR793290A - Combination head for automatic welding : en fr
  • FR793205A - Improvements made to the elements of metal constructions : en fr
  • GB441616A - Apparatus for the manufacture of pneumatic tyres : en
  • GB441670A - A metal vapour type electric converter in a metal container : en
  • US2028601A - Tire and rim construction : en
  • USD98275S - Design for a shoe : en
  • US2028398A - Belt connecter : en
  • US2028432A - Combined rectification and refrigeration process : en
  • DE624630C - Circuit for connecting several remote time switches with a thermal time element : de en
  • GB441439A - Improvements in gyroscopes : en
  • US2028239A - Corer for grapefruit, etc. : en
  • US2028277A - Envelope flap opening and moistening device : en
  • US2028260A - Car heater : en
  • DE624430C - Sector-shaped conductor for oil-filled multi-conductor high-voltage cables : de en
  • US2028670A - Reenforced light-transmitting sheet : en
  • FR793270A - Improvements to heating installations using liquid fuels : en fr
  • AT144442B - Oil firing system. : de en
  • AT144375B - Diffusion device. : de en
  • GB441617A - Improvements in or relating to circular looms : en
  • AT144451B - Device for air preheating for stoves. : de en
  • DE624448C - Circuit arrangement for telephone systems with company lines : de en
  • DE624556C - Film processing, in particular developing machine : de en
  • GB441666A - Improvements in or relating to means for varying the cylinder clearance in internal combustion engines : en
  • US2028485A - Optical system and automatic control for the same : en
  • US2028615A - Glazing structure : en
  • GB441534A - Improvements in lighting installations : en
  • GB441746A - Method of and apparatus for operating radio beacons : en
  • CA355446A - Heat exchange apparatus : en fr
  • CA355522A - Lubricating oil recovery : en fr
  • US2028550A - Mounting : en
  • DE624432C - Remote control system for controlling and monitoring one or more extensions from a main station : de en
  • FR793478A - Plywood panel for doors and other uses : en fr
  • US2028180A - Acoustic materials : en
  • DK51154C - Device for automatic firearms. : da en
  • DE624503C - Stocking dryer and tensioner made of pipe or similar resilient material : de en
  • FR793281A - Solid fuel indirect heating oven : en fr
  • USPP163P - watkins : en
  • GB441582A - Improvements in or relating to modulated carrier wave receivers : en
  • GB441434A - Improved machine or apparatus for piercing and removing portions of soil from bowling-greens, golf putting-greens or the like : en
  • GB442207A - Improvements in and relating to the manufacture of moulded articles by injection moulding : en
  • AT144357B - Process for increasing the wetting ability of mercerising liquors. : de en
  • GB441513A - Improvements in methods of obtaining vitamin concentrates : en
  • AT144411B - Device for counting and weighing a certain number of cigarettes coming from a cigarette machine. : de en
  • CA355487A - Malleable iron casting : en fr
  • US2028591A - Change receiver and advertising device : en
  • US2028186A - Viscosity-responsive device : en
  • US2028504A - Steam generator of the once through type : en
  • US2028689A - Automatic switch for use in telephone or like systems : en
  • USD98279S - Design fob a match box : en
  • DE624506C - Flexible file banner : de en
  • US2028206A - Disguise : en
  • US2028713A - Production of so from acid sludge : en
  • AT144401B - Cereal grain peeling machine. : de en
  • AU101548B2 - An improved method of making a joint between two parts by casting metal round them : en
  • CA355441A - Coal cleaning apparatus : en fr
  • DE624606C - Self-seller for gas or the like with locking of the coin path : de en
  • GB441457A - Organic condensation products and their manufacture : en
  • CA355480A - Inlet nipple screen adaptor : en fr
  • DE624440C - Connection of structural members that are particularly subject to intermittent loads to gusset plates or similar components by means of welding : de en
  • DE624552C - Internal combustion engine for powdery fuels : de en
  • AT144379B - Cutting device for cutting tubes and bars of any profile made of explosive materials. : de en
  • DE624467C - Cinema camera with several fixed shooting lenses : de en
  • DE624270C - Device for voltage regulation of generators in the event of short circuits : de en
  • AU2095135A - Improvements in or relating to induction, heating apparatus : en
  • DE624512C - Receiver for receiving wireless messages : de en
  • AT144404B - Dismountable snowshoe. : de en
  • US2028581A - Valve : en
  • US2028240A - Metallic packing and method of producing the same : en
  • GB441673A - Improvements in and relating to refrigerating apparatus : en
  • AT144398B - Ski or similar binding. : de en
  • DE623177C - Open pit mine : de en
  • AU2280935A - Improvements in the manufacture of pneumatic tyre covers and apparatus therefor : en
  • DE624553C - Spur gear transmission for electric motors : de en
  • FR793433A - Lick system folded back on themselves : en fr
  • GB441524A - Apparatus for the irradiation of liquids, and particularly milk : en
  • FR793472A - Improvements to amplifiers : en fr
  • DE624447C - Circuit arrangement for telephone systems with relay selector : de en
  • DE624550C - Machine for mixing and kneading plastic masses : de en
  • DE624604C - Electric feed control for grinders with mechanical feeding of the wood depending on the load on the grinder and the feed motor : de en
  • FR793257A - Liquid projection device : en fr
  • US2028561A - Wrench handle : en
  • GB441600A - Improvements in electric fuses : en
  • AT144363B - Process and device for the production of alkali peroxides. : de en
  • DE624625C - Internal combustion hammer : de en
  • FR793491A - Device for making automatic dispensers of gasoline or other liquid, pump, by the introduction of coins : en fr
  • GB441552A - Game apparatus : en
  • US2028474A - Flexible staybolt construction for boilers : en
  • CA355420A - Combination lock : en fr
  • US2028216A - Bag frame : en
  • US2028491A - Brake mechanism : en
  • FR793469A - Method and device for treating shaped pieces of leather, particularly shoes, for the purpose of forming them : en fr
  • GB441407A - Process for the manufacture of azodyestuffs : en
  • GB441639A - Improved fluxes and flux coated electrodes for electric welding : en
  • GB441700A - Improvements in stocking suspender clasp devices : en
  • GB441749A - Improvements in labeling machines : en
  • US2028708A - Multiple stage lifting truck : en
  • US2028141A - Process for dyeing or coloring cellulose esters and cellulose ethers : en
  • FR793421A - Device for keeping the temperature constant in the thermostats by the sole use of bimetals : en fr
  • GB441533A - Improvements in or relating to inductance devices : en
  • GB441697A - Improvements in and relating to sliding windows, doors, service hatches and the like : en
  • GB441568A - Improvements in or relating to the reduction of the permeability of structures and granular masses : en
  • DE624491C - Arrangement for voltage regulation when converting alternating current into direct current or vice versa by means of grid-controlled vapor or gas discharge paths with arc discharge and clear current flow direction : de en
  • GB441703A - Improvements in or relating to methods of and apparatus for treating petroleum hydrocarbon oils and spirits : en
  • DE624389C - Circuit arrangement for correcting distorted setting currents for dialers in telecommunications systems : de en
  • GB441507A - Improvements in screw mechanisms for focussing optical instruments or for other purposes : en
  • AT144421B - Overrunning clutch, in particular for rail cars. : de en
  • GB441706A - Improvements in or relating to the suspension arrangements for screw fan rotors : en
  • GB441647A - Improved apparatus for photographing objects in rapid motion : en
  • GB442074A - Mechanism for trimming slugs from a type line casting machine : en
  • DK51149C - Stand for hanging towels, tea towels and similar items. : da en
  • GB442076A - Improvements in pipe-wrapping machines : en
  • DE624431C - Switch with arcing horns : de en
  • US2028199A - Apparatus for displaying photographs : en
  • US2028248A - Lasting machine : en
  • US2028553A - Dispensing apparatus : en
  • US2028705A - Collar fastener : en
  • US2028565A - Refrigerating system : en
  • US2028314A - Switch-type plug attachment device : en
  • FR793367A - Improvements to brake control systems, mainly of motor vehicles : en fr
  • DE624618C - Cover rail for letter folder : de en
  • DE624588C - Sofa bed with a bed mattress consisting of three articulated parts : de en
  • US2028441A - Clutch release for portable electric wrenches : en
  • FR793204A - Improvements made to pistons, particularly those for internal combustion engines : en fr
  • GB441474A - Improved manufacture of polyphosphates : en
  • US2028489A - Closure : en
  • USD98244S - Design fob a jewelry display case : en
  • US2028254A - Apparatus for balancing propeller blades : en
  • US2028643A - Crusher : en
  • US2028596A - Oscillation circuit : en
  • AU2089835A - Improvements in or relating to high-pressure metal vapour electric discharge devices : en
  • US2028311A - Fishing reel : en
  • USD98217S - Design for a plate ob similar : en
  • CA355442A - Extrusion press : en fr
  • US2028726A - Trip cock device : en
  • US2028402A - Process for the production of concentrated nitric acid : en
  • US2028269A - Attachment for closing devices : en
  • AT144447B - Handle lock on boxes of all kinds, such as sacks, bags, boxes, suitcases and the like. like : de en
  • AT144368B - Process for vulcanizing rubber. : de en
  • CA355501A - Liquid hydrocarbon production : en fr
  • AT144474B - Arrangement for controlling the sound reproduction in phonographic reading machines. : de en
  • DE624492C - Process for the production of uncovered electrodes for electric arc welding : de en
  • GB441731A - Improvements in and relating to display stands : en
  • GB441770A - Improvements in and relating to direction finding apparatus for use in wireless telegraphy : en
  • GB441850A - Improvements in methods of producing dry raw rubber and to apparatus therefor : en
  • US2028673A - Stock inlet control for paper making machines : en
  • US2028682A - Modifying room atmospheric conditions : en
  • GB441737A - Improvements in, or relating to, closure members for valves or gates : en
  • US2028174A - Distance and depth finding : en
  • US2028304A - Ash tray : en
  • AT144443B - Guiding device. : de en
  • CA355448A - Heat exchanging apparatus : en fr
  • CA355475A - Soft glass : en fr
  • GB441393A - Improvements relating to slides, slide locking devices and the like, particularly for seats of vehicles : en
  • US2028193A - Flushing apparatus : en
  • DE624575C - Circuit to avoid the distortions caused by the curvature of the power line of an amplifier at full modulation : de en
  • US2028270A - Hat blocking and storing device : en
  • US2028722A - Airport control and signaling system : en
  • AT144500B - Equipment for securing bank rooms, shops and other rooms open to the public against robbery. : de en
  • US2028436A - Jig for treating material : en
  • FR793356A - System for automatically holding the lids in the lifting position for gas appliances or cookers : en fr
  • FR793489A - Control device for electric railways : en fr
  • AT144431B - Brake block. : de en
  • USD98238S - Design for an ash tray : en
  • DE624285C - Barrier for crossings : de en
  • USD98263S - Design for a suit : en
  • DE624283C - Typewriter, in particular for writing continuous strips of coherent individual forms or the like using auxiliary color strips : de en
  • DE624557C - Impeller for centrifugal pumps : de en
  • USD98243S - Design for a combined manicure : en
  • US2028600A - Flexible tubing : en
  • AT144385B - Candle. : de en
  • AT144390B - Mold plate for producing thread-like bodies of any profile. : de en
  • US2028450A - Plant thinning implement : en
  • CA355520A - Wool textile waterproofing process : en fr
  • US2028425A - Method and apparatus for cutting metals : en
  • US2028585A - Carburetor : en
  • AT144364B - Process for the production of diabetic pastries. : de en
  • US2028684A - Method of and an apparatus for subjecting a flowing medium in a continuous operation to a reaction : en
  • CA355462A - Glass bottle moulding device : en fr
  • CA355485A - Divided material distribution : en fr
  • GB441756A - Electric motor with low voltage lighting taps : en
  • AT144355B - Process for the preparation of cyanine dyes which are substituted by acyloxyl or alkoxyl in the polymethine chain. : de en
  • AT144380B - Method and device for treating rice to replace the semi-cooking method. : de en
  • CA355534A - Telephone system : en fr
  • CA355408A - Hot plate : en fr
  • US2028483A - Turf tool : en
  • AU2141235A - Improved means for recording information supplied at intervals concerning articles of commerce, commodities andother subjects : en
  • FR793422A - Toothpaste product : en fr
  • AT144376B - Method and device for wrapping cylindrical objects made of plastic or gelatinous material. : de en
  • CA355454A - Wooden shingle : en fr
  • GB441632A - Improvements in or relating to the manufacture of hydrocyanic acid : en
  • GB441425A - Improvements in and relating to the production of artificial silk and like filaments : en
  • US2028154A - Cart : en
  • US2028582A - Toy mechanical shovel : en
  • US2028653A - Fire alarm system : en
  • AT144444B - Backflow protection for gas-heated devices. : de en
  • CA355471A - Grid glow tube : en fr
  • US2028702A - Vehicle wheel : en
  • US2028192A - Die casting machine : en
  • USRE19829E - Sanitary napkin belt : en
  • AT144416B - Continuous air brake. : de en
  • AT144420B - Sealing of a shaft with spatial freedom of movement in relation to the bearing housing. : de en
  • US2028363A - Automatic furnace heat regulator : en
  • US2028505A - Lamp and lens housing for projectors : en
  • US2028656A - Automatic telephone system : en
  • US2028724A - Collapsible bridge table : en
  • USD98242S - Design fob a coat : en
  • AU1998834A - Improvements in material utilizable for plaster work for building purposes : en
  • AT144463B - Closure for tubes or similar containers. : de en
  • AU2539035A - Improvements in and relating to automatic volume control arrangements for modulated carrier frequency signalling systems : en
  • DE624636C - Electric discharge tubes : de en
  • AU2481535A - Improvements in fishing reels : en
  • DE624409C - Device for the production of sheet-like workpieces from pulp : de en
  • US2028438A - Art of forming dies : en
  • USD98215S - Design for a plate ob similar article : en
  • AT144389B - Hair or fiber web. : de en
  • DE624591C - Method for measuring the mechanical internal stresses occurring in a laid, seamlessly welded, very long or endless railway line as a result of temperature changes when the length change is prevented : de en
  • US2028181A - Plug valve : en
  • US2028642A - Grinding machine : en
  • AU2090635A - Device for atomizing aliquid in air : en
  • AT144465B - Oil firing apparatus. : de en
  • US2028440A - Tire spreader : en
  • DE624596C - Lens shutter : de en
  • CA355464A - Centrifugal pump : en fr
  • CA355523A - Insecticide and fungicide : en fr
  • US2028636A - Range : en
  • DE624401C - Telescope with a horizontal axis of rotation : de en
  • CA355493A - Container : en fr
  • CA355456A - Collapsible box : en fr
  • DK51174C - Electric fuse. : da en
  • US2028288A - Cross-chain coupling : en
  • FR793331A - Improvement in fuel systems : en fr
  • GB441542A - Improvements in and relating to hopper ventilators : en
  • CA355536A - Salt of organic arsonic acid : en fr
  • GB441750A - Anti-slip or skid studs for sports boots more especially football boots : en
  • DE624656C - Drive device for turntables : de en
  • CA355494A - Punch : en fr
  • CA355513A - Electrical transmission system : en fr
  • US2028213A - Heat exchanger or cooler : en
  • US2028362A - Automatic lathe : en
  • AT144382B - Process for the production of whipped cream u. like : de en
  • CA355518A - Hydrocyanic acid : en fr
  • US2028259A - Automatic control system for electric motors : en
  • US2028443A - Mold apparatus : en
  • AT144361B - Process for removing iron from acidic chromium salt solutions. : de en
  • US2028599A - Undergarment for women : en
  • USD98271S - Design for a box : en
  • CA355472A - Can charging machine : en fr
  • CA355526A - Grille : en fr
  • US2028203A - Visual signaling device : en
  • US2028422A - Reel : en
  • AT144464B - Electrically heatable containers and processes for their manufacture. : de en
  • FR793337A - Closing device for tapered cardboard containers : en fr
  • CA355414A - Arc pressure furnace : en fr
  • CA355437A - Hydraulic braking device : en fr
  • FR793475A - Discharge tubes and method of manufacture : en fr
  • CA355430A - Wire twisting apparatus : en fr
  • GB441718A - Universal joint : en
  • CA355409A - Open hearth heater : en fr
  • AT144407B - Buckle belt. : de en
  • AT144457B - Process and system for filling gaseous liquids into bottles. : de en
  • DE624427C - Material for objects that require high initial permeability : de en
  • DE624508C - Process for the production of formamide : de en
  • AT144491B - Container for rosin. : de en
  • AU15936A - Improvements in refrigerating apparatus for icecream vending machines : en
  • DE624611C - Device for controlling the recovery discharge of a wet jig : de en
  • GB441551A - Improvements relating to indicating mechanism for use with liquid measuring and dispensing apparatus : en
  • GB441572A - Improvements in advertising, display, and signalling apparatus : en
  • US2028540A - Calculating machine : en
  • US2028381A - Saliva ejector : en
  • GB441651A - Improvements in or relating to boots or shoes : en
  • GB441385A - Improvements in and connected with electric fans, blowers and the like : en
  • DE624421C - Metal plate with number or calibration numbers attached to the bottom of the barrel : de en
  • DE624547C - Use of the selenium known for vulcanization in connection with also known accelerators without free sulfur for the production of rubber-insulated cables : de en
  • FR793361A - Radio-electric organ : en fr
  • FR793387A - Advanced gas stove : en fr
  • GB441635A - An improved sterilising chest : en
  • GB441655A - Inflating connectons for fluid pressure moulding apparatus : en
  • GB441705A - An improved manufacture of lubricating oils : en
  • USD98255S - Fountain pen and pencil clip : en
  • FR793374A - Hand tool for working with metal pipes : en fr
  • US2028292A - Method of making titanium dioxide : en
  • US2028703A - Cap member for fasteners : en
  • CA355527A - Metal pulley : en fr
  • GB441576A - Improvements in or relating to arrangements for indicating electrically the quantityof liquid in a container : en
  • GB441652A - Improvements in or relating to air directing devices or nozzles for use in ventilating systems : en
  • DE624540C - Process for the production of keys from light metal : de en
  • US2028167A - Machine for shaping shoe uppers : en
  • US2028658A - Shirt : en
  • DE624415C - Device for operating the throttle valve of the engine by means of the brake pedal that adjusts the vehicle brake : de en
  • FR793231A - shell earphone : en fr
  • GB441404A - Improvements relating to lubricating apparatus : en
  • GB441752A - Improvements in calendars : en
  • US2028595A - Drink mill : en
  • US2028282A - Power unit : en
  • US2028334A - Sand distributor for automobiles : en
  • US2028364A - Process for producing antirachitic substances : en
  • DE624652C - Process for the electrowinning of nickel : de en
  • CA355532A - Alloy treating apparatus : en fr
  • US2028463A - Change pitch propeller : en
  • DE624595C - Process for creating a mirror finish on the surface of paper or similar material webs : de en
  • US2028280A - Typewriting machine : en
  • US2028289A - Time announcement system : en
  • FR793264A - Manufacturing process for cellulose derivatives containing nitrogen : en fr
  • GB441449A - Improvements relating to clockwork controls for periodic absorption refrigeration apparatus : en
  • FR793440A - Improvements to impregnated fibrous materials : en fr
  • US2028361A - Process for producing lubricating oils : en
  • GB441744A - Improvements in hoses for vacuum cleaners : en
  • GB441611A - Improvements in heating devices for vacuum cleaners to destroy bacteria : en
  • GB441620A - Improvements relating to circular looms : en
  • US2028190A - Impact testing device and method : en
  • US2028554A - Structural element : en
  • FR793256A - Mixed fertilizer : en fr
  • FR793282A - Improvement in aeronautical plans, sheets or wings : en fr
  • FR793345A - Centering and safety devices for closed boxes in vacuum : en fr
  • US2028366A - Method of loading and shipping sheet metal : en
  • US2028253A - Insulation pad and construction : en
  • DE624669C - Locking device for an aircraft assembly : de en
  • FR793246A - Pop-open hinged lid box : en fr
  • FR793495A - Process and product for making gastight seals, in particular in internal combustion engines : en fr
  • FR793325A - Electric calculating machine applicable in particular to shooting problems : en fr
  • GB441419A - Improvements relating to loading machines for use in mining : en
  • AT144409B - Safety device for drying systems directly heated by combustion gases. : de en
  • US2028465A - Sound signaling : en
  • US2028597A - Fastening and securing means : en
  • GB441556A - Improvements in or relating to tensioning devices for sewing machines : en
  • DE624484C - Process for the production of real tones on wool : de en
  • DE624542C - Apparatus for displaying living images on a transparent screen by optical projection : de en
  • GB442071A - Apparatus for recovering water from or supplying water to subterranean formations : en
  • GB441410A - Improvements in or relating to television and like systems and apparatus therefor : en
  • DE624602C - Process for the production of white effects on black-dyed acetate silk : de en
  • FR793288A - Engine cooling system of motor vehicles with rear engine : en fr
  • FR793413A - Universal airlock : en fr
  • GB441598A - A rack for supporting bins for nuts, bolts and other goods : en
  • US2028309A - Spring closing device : en
  • US2028695A - Method and apparatus for shaping tires and mounting expansible cores therein : en
  • FR793251A - Process for dedusting calcium cyanamide by oiling : en fr
  • GB441405A - Improvements relating to valves for use in lubricating apparatus : en
  • FR793216A - Braun tube, especially for television, with electrically conductive inner coating : en fr
  • US2028663A - Apparatus for stringing tennis rackets : en
  • US2028482A - Sulphur dispersion : en
  • GB441636A - Improvements in and relating to supports for internal combustion engines : en
  • US2028291A - Implement handle : en
  • DE624566C - Casting mold for die setting and line casting machines, into which the metal is injected through a special intermediate plate that is movably arranged between the pouring mouth and the mold and enables a solid casting : de en
  • FR793497A - Improvements in the manufacture of fabrics and articles of clothing : en fr
  • GB441715A - Improvements in or relating to circular knitting machines : en
  • US2028343A - Method and means for protecting magnesium and magnesium alloys : en
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