• US1976280A - Drying machine : en
  • US1976095A - Magnetic loom : en
  • US1976033A - Machine for applying covers to crates : en
  • AT138876B - Method and device for operating lamps with low heat capacity. : de en
  • CA345196A - Oil refining method : en fr
  • US1976257A - Laminated body and method of making same : en
  • AT138857B - Closure for clothes, laundry, etc. like : de en
  • AT138944B - Method and machine for the production of hollow blocks that are completely or partially closed on five sides. : de en
  • CA345174A - Therapeutic azo-dyestuff : en fr
  • US1975856A - Thermally actuated switch : en
  • US1976362A - Grounding attachment for portable electric lamps : en
  • DE565734C - Process for the production of waxy substances : de en
  • DE603937C - Movie tour for cinema equipment : de en
  • US1975941A - Bag closing machine : en
  • US1976002A - Window awning construction : en
  • US1976548A - Electrical communication system : en
  • US1976700A - Electrolyte for use with filmed electrodes : en
  • CA345191A - Electrical controller : en fr
  • US1976450A - Nursing bottle : en
  • AT139046B - Device for controlling switches, in particular for regulating purposes. : de en
  • AU1293933A - Improvements in or relating to thermionic valves : en
  • US1975787A - Waterproofed gypsum : en
  • US1976689A - Tetra sulphuric acid esters of indanthrones and their production : en
  • US1976372A - Smoke consumer : en
  • US1975817A - Suction cleaner : en
  • US1976308A - Lifting and parking attachment for automobiles : en
  • US1976110A - Grinding machine : en
  • US1976044A - Azo dye and method for its preparation : en
  • US1976418A - Attachment for insulators : en
  • CA345108A - Rubber preservation : en fr
  • US1976124A - Machine tool : en
  • DE603768C - Rotatable pressure disc on a diagonally mounted bolt for the knives of the cutting mechanism of mowing machines : de en
  • US1975916A - Machine for producing square hams : en
  • US1976694A - Support for brake beams : en
  • AT138925B - Ski binding. : de en
  • AT138997B - Electric flywheel lighting and blasting machine for motorcycles. : de en
  • DE588964C - Process for the production of colloidal solutions of metals, metal oxides, metal compounds and metalloids in glycerine and other polyalcohols : de en
  • DE603953C - Arrangement to secure railway crossings : de en
  • US1975956A - Internal combustion engine : en
  • US1976039A - Planographic printing : en
  • AT139041B - Method for fault determination in electrical line systems with interchanging wires. : de en
  • AT139010B - Installation on engine systems with generator gas operation. : de en
  • US1976358A - Piston : en
  • US1976465A - Book marker : en
  • DE604060C - Commutator, the lamellas of which are isolated from the socket by intermediate layers that are only brought into their final shape when the commutator is assembled : de en
  • AT138913B - Table top. : de en
  • DE604050C - Trestle for emergency closures : de en
  • FR771483A - Burner for liquid fuels : en fr
  • FR771653A - Process for obtaining a cyclic compound carbonyl-salicylic ether and mixed salicyl-carbonic acid anhydride : en fr
  • US1976195A - Grate construction : en
  • FI16125A - Fertilization requirements for chlorinated and unbranched skins : en fi
  • GB417618A - Improvements in musical instruments of the banjo type : en
  • AT138946B - Process for the production of wound capacitors. : de en
  • US1976279A - Wrench : en
  • CA345120A - Wood screw : en fr
  • AT139049B - Device for controlling gas discharge vessels. : de en
  • AT138985B - Process for the production of backs for bristle brushes made of elastic material and metal mold for carrying out the process. : de en
  • US1975877A - Drive coupling : en
  • US1975966A - Casting machine : en
  • GB417622A - Improvements in routing or trenching machines : en
  • DE603819C - Switch with extinguishing chamber : de en
  • GB417511A - Sealing conductors into vitreous envelopes : en
  • US1976009A - Method of casting refractory metals : en
  • US1975774A - Posit : en
  • US1976678A - Production of polymerization products : en
  • FR771402A - Magnifying device for sewing machines : en fr
  • FR771643A - Improvements to Incandescent Lamps and Similar Articles : en fr
  • US1976480A - Aerofoil : en
  • USD93549S - Design fob a signal station front : en
  • US1976091A - Process for preparing means for mellowing beverages : en
  • US1976227A - Gear pump : en
  • US1976151A - Fuel pump for internal combustion engine : en
  • DE603930C - Process for the production of azo dyes : de en
  • US1976228A - Humidifier and the like : en
  • US1976596A - Coating and heat treating : en
  • US1976414A - Mechanism for operating slidable flexible shutters : en
  • US1976293A - Process for the separation of hafnium and zirconium : en
  • US1976540A - Stereotyping apparatus : en
  • DE603823C - Remote control system in which a control generator of variable frequency feeds polarized reed frequency relays : de en
  • GB417792A - Improvements in paper wrappers or the like : en
  • FR771475A - Device for electric heating of liquids : en fr
  • US1976026A - Method of manufacturing flux carrying rods or wire : en
  • CA345186A - Dehydrated flour mixture : en fr
  • DE603992C - Process for the production of metallic hollow bodies, in particular aircraft wings : de en
  • US1976181A - Jewel bearing for watches and the like : en
  • US1976337A - Apparatus for determining roughness of surfaces : en
  • US1975769A - Anchor for brick, tile, and the like : en
  • GB417613A - Improvements in power-driven vehicles : en
  • GB417682A - Improvements in and relating to floorings for piggeries, and other pens, stables andthe like for animals : en
  • US1975805A - Art and apparatus for sterilizing : en
  • US1976468A - Manufacture of polyphenyls : en
  • AU1477433A - Means for centrifugally moulding junctions, off-takes or branches on or relating to pipes : en
  • DE604020C - Rail fastening device with a washer plate arranged between the rail foot and sleeper : de en
  • DK49351C - Heat consumption meters. : da en
  • GB417665A - Improvements in apparatus for automatic regulation of electric currents : en
  • US1975996A - Tube closing machine : en
  • US1976052A - Valve : en
  • US1976158A - Matrix-setting and type-linecasting machine : en
  • DE603868C - Oven with steam extraction device : de en
  • FI16107A - Förfaringssätt för smörjning av axellager särskilt få på skenor löpande fordon : en fi
  • US1976682A - Production of addition compounds of formyl halides : en
  • DE603986C - Device for binding mats : de en
  • DE603775C - Track for vehicles : de en
  • FR771542A - Improvement of tubes intended to be welded on site to other tubes : en fr
  • FR771478A - Combination dryer and oven : en fr
  • GB417706A - An improved coin-freed amusement apparatus : en
  • FR771562A - Boiler device coupled to one or more paddle wheels : en fr
  • FR44096E - Brick press : en fr
  • AT138998B - Steam generating plant. : de en
  • CA345245A - Battery acid purification : en fr
  • US1975999A - Electrical connecter : en
  • CA345176A - Cloth finishing mechanism : en fr
  • FR44099E - Method for producing color photographic images : en fr
  • GB417679A - Improvements in or relating to fluorescent screens for use in television systems : en
  • AT138922B - Process for the production of a water-soluble, dry coffee extract in powder, pill, lozenge, tablet or paste form. : de en
  • DE595193C - Wedge bracing on rail joints : de en
  • GB417537A - Improvements in or relating to wrapping-machines : en
  • GB417802A - Improvements in electrical fuses : en
  • US1976550A - Cash fare box : en
  • US1976030A - Sprinkler : en
  • US1976049A - Display device : en
  • US1976123A - Grinding machinery : en
  • FR771680A - : fr
  • AT139021B - Single or multi-stage centrifugal pump with air-sucking pump for venting the suction line. : de en
  • USD93580S - Design for a photographic pocket : en
  • US1976001A - Wireless receiver : en
  • US1976427A - Expansible tray : en
  • US1976490A - Hair waving apparatus : en
  • USD93556S - Design for a medallion ob similar : en
  • US1976451A - Brake : en
  • US1976477A - Range adjusting mechanism for measuring instruments : en
  • US1976558A - Device and circuit for frequency translation : en
  • AT138898B - Electric lighting device with series connection. : de en
  • DE603881C - Speech counters at telephone subscriber stations : de en
  • US1976037A - Spool holder or the like : en
  • US1976411A - Hot handle holder : en
  • US1976572A - Coating composition : en
  • US1976583A - Glassware forming machine : en
  • US1976165A - Bacon sausage : en
  • GB417817A - Improvements relating to wheels for vehicles : en
  • US1975866A - Quail brooder : en
  • US1975950A - Cable machine capstan : en
  • US1976344A - Method and apparatus for the manufacture of elastic thread : en
  • US1976484A - High potential switch apparatus : en
  • CA345238A - Shoe sole laying machine : en fr
  • GB417932A - Improvements in or relating to television apparatus : en
  • DE603990C - Sewing machine for the production of tufts on fabrics : de en
  • DE603622C - Process for the preparation of condensation products of the aromatic series : de en
  • DE603933C - Injection carburetor : de en
  • US1976193A - Apparatus for feeding molten glass : en
  • DE603984C - Zigzag sewing and embroidery machine : de en
  • GB417810A - Improvements in and relating to float-actuated valves for admitting liquid to tanks and the like : en
  • FR771576A - Process for electrolytic separation of copper and silver alloys : en fr
  • USD93543S - Design for a shoe : en
  • DE603717C - Device for taking and dispensing coins : de en
  • US1975963A - Box : en
  • US1976034A - Table with adjustable rack : en
  • FR771524A - Improvement in platinum fabrics used as catalysts : en fr
  • GB417624A - Improvements in and relating to variable speed transmission : en
  • GB417678A - Improvements in spools or the like : en
  • FR771485A - Engine upgrades : en fr
  • US1975764A - Sheet delivery mechanism : en
  • US1976383A - Flatwork ironer : en
  • GB417673A - Farrowing crate or cage : en
  • US1975807A - Notation-printing device : en
  • US1976669A - Coat front structure and method of making the same : en
  • FR771647A - Automatic gear change : en fr
  • USD93589S - Design for a shoe : en
  • US1975934A - Electric fan : en
  • US1976164A - Machinery or apparatus for cutting stone, wood, metals, and other materials : en
  • US1976185A - Water-insoluble azo-dyestuffs and fiber dyed therewith : en
  • US1976194A - Mold charge delivery apparatus : en
  • US1975808A - Computing and printing machine : en
  • FI16116A - Radiator : en fi
  • FR44082E - Improvements to transmission belts : en fr
  • FR44052E - Device allowing to quickly establish, in automatic telephony, all communications : en fr
  • FR771579A - Engine : en fr
  • GB417700A - Improvements in or relating to striking or chiming clock mechanisms : en
  • DE603846C - Tub, especially for the production of electrolytic deposits by means of traveling cathodes : de en
  • US1976620A - Coffee maker : en
  • DE603789C - Multi-stage, radially loaded turbine : de en
  • DE603938C - Device for attaching film to film spools : de en
  • US1975849A - Press : en
  • US1976208A - Fuel burner : en
  • FI16118A - Tryckhuv : en fi
  • AT138877B - Projector for opaque objects. : de en
  • FR771605A - Curtain rings : en fr
  • FR771512A - Method for reinforcing and arming cushions or other compressible objects made of rubberized horsehair : en fr
  • FR771609A - Mechanical assembly and fixing system by means of threaded studs : en fr
  • DE603941C - Steel wire obstacle in the form of an extendable, cylindrical steel wire screw : de en
  • DE603950C - Rail fastening on spacer plates arranged side by side in pairs : de en
  • DE603837C - Kitchen stove with a main boiler and a secondary boiler : de en
  • US1976449A - Seat or chair with one support : en
  • US1976614A - Plugging and accelerating control : en
  • US1976203A - Ore concentration : en
  • AT139006B - Rear derailleur. : de en
  • CA345156A - Tube welding machine : en fr
  • USD93579S - Design fob a table : en
  • DE603815C - Circuit arrangement for the transmission of signals with the help of carrier currents via hybrid circuits : de en
  • GB417675A - Improvements in gas-heated kettles and the like : en
  • GB417928A - Improvements in or relating to grinding or sharpening machines for knife blades and the like : en
  • US1975933A - Window : en
  • US1976080A - Fuel burning apparatus : en
  • US1976278A - Proportional mask : en
  • CA345116A - Implement hitch for cultivators : en fr
  • DE604035C - Bedside table : de en
  • GB417934A - Improvements in tunnel kilns : en
  • US1976461A - Control system : en
  • US1976644A - Brick wall construction : en
  • AT138994B - Method and device for winding machines for fixing the thread end. : de en
  • US1976312A - Spring terminal clip : en
  • US1976619A - Method of and apparatus for heat regulation for buildings : en
  • AT139009B - Flexible tube for stud bolts. : de en
  • US1975962A - Rinse water conditioner and process : en
  • AT138993B - Wall. : de en
  • US1975908A - Wrench : en
  • AT138957B - Magnesium alloy. : de en
  • DE603906C - Method for gassing grain silos u. Like. For pest control : de en
  • US1976286A - Cam gear for internal combustion engines : en
  • CA345141A - Stencil : en fr
  • CA345187A - Dehydrated flour mixture : en fr
  • DK49365C - Procedure for the Preparation of Acridine Derivatives. : da en
  • GB417729A - Improvements in regulator valve apparatus for locomotive and like engines : en
  • AT139028B - Rotating field separator. : de en
  • FI16127A - Mass valve : en fi
  • AT138983B - Guide frame for the endless belts of drafting devices for textile roving. : de en
  • US1975982A - Dry cleaning machine : en
  • GB418304A - A new or improved combination electric cigarette lighter and smokers' stand, table lamp or floor lamp : en
  • US1976202A - Absorption type refrigerating system : en
  • US1976393A - Side band reversal transmission system : en
  • DE604004C - Wedge-shaped joints to reduce equipment and shrinkage stresses, etc. in corrugations : de en
  • DE604027C - Process for reducing the hysteresis losses in telecommunications systems with cables with a constantly distributed inductive load : de en
  • AT139048B - Banana pin. : de en
  • US1976230A - Permanent magnet and method of manufacturing same : en
  • US1976698A - Hand bag : en
  • GB417791A - Improvements in or relating to writing desks, dressing tables and like articles of furniture : en
  • US1976108A - Milling machine : en
  • US1976354A - Process of making bessemer steel : en
  • DE604064C - Balancing device : de en
  • FR771411A - Small refrigeration plant : en fr
  • GB417757A - Improvements in the destructive hydrogenation of carbonaceous materials and in the recovery of oils from the residues of said treatments : en
  • US1976263A - Door handle mounting : en
  • DE604067C - Baking plate made of reinforced artificial stone : de en
  • DE603623C - Process for the preparation of 2-acylacetylaminoarylene thiazoles : de en
  • US1976240A - Vehicle lamp : en
  • GB417551A - Improvements in a process for drying milk : en
  • GB417642A - Improvements in or relating to folding boxes : en
  • US1975838A - Smoking pipe : en
  • US1976567A - Folding chair : en
  • US1976656A - Pneumatic arch supporter : en
  • GB417776A - Improvements in or relating to feed hoppers or containers : en
  • US1976424A - Rotor for pumps or motors : en
  • US1976571A - Electrical apparatus : en
  • DE603742C - Process for the simultaneous production of carbon black and acetylene : de en
  • US1976646A - Control circuit for heat pump temperature control regulating systems : en
  • USD93561S - Design fob a shoe : en
  • DE604087C - Control of two-rope gripper winches : de en
  • DE603929C - Facility for double tariff : de en
  • DE604025C - Circuit arrangement for telecommunications, especially telephone systems with two-way traffic : de en
  • DE604073C - Monitoring device for switches, especially for step switches of regulating transformers : de en
  • FR771407A - Improvements to extendable harrows : en fr
  • US1976636A - Magnetic balance for the measurement of intensities : en
  • FR44093E - Process for the preparation of phenols : en fr
  • DE604054C - Circuit arrangement for telephone systems with dialer operation and several exchanges : de en
  • GB417662A - Improvements in or relating to hollow rods : en
  • FR44066E - Suspension stabilizer device for motor vehicles and other applications : en fr
  • DE603737C - High-performance switch for alternating current : de en
  • DE603756C - Mercury interrupter : de en
  • DE603863C - Encapsulated distribution system : de en
  • DE604037C - Low pressure hot water supply system : de en
  • GB417540A - Improvements in or relating to tool-holders for metal-cutting machine tools : en
  • GB417693A - Improvements in divan beds : en
  • GB417839A - Improved torque transmission mechanism : en
  • FR771510A - Illuminated panel for signage or advertising on roads, pavements, etc. : en fr
  • GB418286A - A preparation for use in rinsing hair which has been washed with soap, soap powders, and similar alkaline substances : en
  • FR44083E - Advanced air extractor for vehicles or buildings : en fr
  • DE603835C - Process for the production of azo dyes : de en
  • FI16102A - Strumpeband : en fi
  • US1975920A - Lubrication method and installation and the elements thereof : en
  • US1976335A - Ski binding : en
  • US1976688A - Container for liquefied gases : en
  • DE603776C - Fastening device for a sidecar articulated to a bicycle : de en
  • DE604036C - Overflow storage system with any number of taps : de en
  • GB417570A - Improvements in and relating to tobacco leaf stemming machines : en
  • GB417699A - Improvements in or relating to the production of titanium pigments : en
  • DE603924C - Circuit arrangement for telephone systems with dialer operation and production of different connections via the same connection devices and lines : de en
  • DE603713C - Device for producing magnetograms : de en
  • DE603884C - Switching device for electric motors, in particular for driving sewing machines via a friction gear : de en
  • FR771546A - Automatic refrigeration unit with dry cold air conditioning with fully automatic defrost : en fr
  • GB417778A - Improvements in centrifugal fans for the production of hot or cold air : en
  • DK49373C - Heat exchange device. : da en
  • DE604006C - Method and device for the investigation of sediments obtained by means of the settling process : de en
  • US1975969A - Suspension means for lifting jacks : en
  • US1976306A - Moving-locking means : en
  • US1976398A - Electrical selecting and indicating system : en
  • AU1710534A - Improvements in or relating to firelighters : en
  • US1975833A - Lamp and fixture parts : en
  • AT139005B - Device for reducing the power consumption for air cooling of internal combustion engines. : de en
  • GB417547A - Improvements in or relating to gluing apparatus for use primarily in the manufactureof doors : en
  • GB418274A - Improvements in or relating to active carbon : en
  • FR771603A - Signal-controlled printing telegraph mechanisms for the production of perforated tapes : en fr
  • US1975959A - Polymerization of vinyl compounds in the presence of film forming materials : en
  • US1976345A - Ladder : en
  • US1975778A - Duplex metal article : en
  • US1976595A - Hanger : en
  • DE603949C - Process for the production of iron railway sleepers with rolled ribs running in the transverse direction of the sleeper : de en
  • DE603973C - Door lock for elevators : de en
  • FI16133A - Abrasive paste : en fi
  • GB417843A - Running shoe spike : en
  • US1976365A - Footwear manufacture : en
  • US1976665A - Hand bag frame : en
  • US1976199A - Fixture adapter : en
  • US1976670A - Shoe sole leveling, shaping, and securing unit : en
  • DE603893C - Waterproof electric lamp, the protective glass of which is held by a protective cage and pressed against the seal of the lamp body by an elastic component : de en
  • DE603963C - Device for the protection of AC-DC converters : de en
  • FR771409A - Assembly method of tower lifting cranes : en fr
  • FR771432A - Improvements to taps : en fr
  • GB417520A - Improvements in or relating to machines or apparatus for threading buttons on to a wire or wires or the equivalent : en
  • GB417571A - Improved device for removing printing plates in machines for casting stereotype plates or backing electrotypes : en
  • US1976271A - Tooth cleaning appliance : en
  • GB417691A - Improvements in and relating to elastic fluid generators : en
  • GB417822A - Improvements to vertical chamber ovens for the carbonization of coal : en
  • AU1451033A - Improvements in or relating to television and like oscillograhpic apparatus : en
  • DK49378C - Device for light bodies of a substance with a high melting point. : da en
  • GB417740A - Device for measuring the density of photographic negatives and copying the same : en
  • IE13459L - Luminous discharge tubes : en
  • GB417760A - Improvements in or relating to flexible shaft couplings : en
  • US1976539A - Production of films and coatings of cellulosic material : en
  • US1976621A - Advertising globe : en
  • US1976015A - Power transmission belt : en
  • US1976351A - Dispensing device : en
  • DE603735C - Procedure for glowing bright : de en
  • GB417775A - Improvements in or relating to brassieres or the like : en
  • DE604052C - Reverse gear : de en
  • US1976541A - Means for holding primary punchings : en
  • DE603695C - Train protection device : de en
  • GB417667A - Improvements in automatic machines for treating glass bulbs such as electron tubes : en
  • GB417689A - Improvements relating to screw clamping devices for securing the frames of tennis racquet presses and for other purposes : en
  • DE603889C - Solid salient pole for electrical machines with welded, laminated pole piece and intermediate disk between the laminations and the pole limb : de en
  • FI16115A - Trouser press : en fi
  • SE81661C1 - : sv
  • FR771428A - Device for thermal insulation with the help of a gas or a gas mixture in a hermetically sealed envelope : en fr
  • FR771666A - Flow indicator device : en fr
  • GB417732A - Improved manner of and apparatus for forming balls or rolls of sliver : en
  • GB418278A - Improvements in or relating to metal reflectors and like shades : en
  • US1976169A - Apparatus for seaming papermakers' drier felts : en
  • DE604034C - Corner caps for pictures : de en
  • DE604016C - Process for the production of aliphatic aminosulfonic acids : de en
  • FR771460A - Magnetic brake arrangement : en fr
  • GB417833A - Improvements in autogenous welding apparatus : en
  • US1976040A - Injector : en
  • US1976212A - Combined stabilization and absorption process : en
  • US1975830A - Azo dyestuff and method for its preparation : en
  • US1976157A - Ornamentation : en
  • US1976339A - Automatic self-erecting front camera : en
  • US1976680A - Air regulating means for liquid-fuel furnaces : en
  • FR771566A - Improvements to direction finders : en fr
  • FI16143A - Tool combination : en fi
  • FR771687A - Drawing die system and method for obtaining it : en fr
  • DE603847C - Peeling device for grain, rice or similar grains : de en
  • DE603701C - Pole-changing three-phase winding : de en
  • FR771686A - Speed reducer : en fr
  • US1976182A - Drier for coating material : en
  • DE603901C - Control for hoist drives : de en
  • US1976235A - Tire construction : en
  • GB417726A - Manufacture of lenses : en
  • DE604055C - Switch drive for use in switchgear with circuit breakers and disconnectors : de en
  • FR44086E - X-ray facility for performing fluoroscopies as well as x-rays : en fr
  • GB417936A - Improvements in the manufacture and production of carboxylic acid arylides : en
  • GB418277A - Improvements in electrophonic distribution and devices appertaining thereto : en
  • US1976426A - Hinged closure : en
  • FR771444A - Soap protector : en fr
  • DK49355C - Dyeing apparatus, in particular knitted or crocheted articles. : da en
  • FI16130A - Säkerhetsanordning för pulversläckare : en fi
  • FR771521A - Adjusting sleeve for tubes : en fr
  • FR771494A - Alternative machine : en fr
  • US1976051A - Automatic code signaling device : en
  • US1976647A - Advertising globe : en
  • US1976423A - Cooking range and steam generator : en
  • US1975854A - Lens grinding machine : en
  • US1976078A - Journal ball bearing : en
  • FR771414A - Protective device for pets : en fr
  • DE603838C - Process for making press molded rubber footwear : de en
  • DE603858C - Method for emptying railway wagons and. Like. By tilting in with the platform movable intermediate container : de en
  • DE606042C - Hand hoe with a multi-pronged blade : de en
  • US1975773A - Motor vehicle wheel tool : en
  • US1975788A - Pencil : en
  • FR771422A - Chromiferous Azo Dyes : en fr
  • US1976246A - Food product and method of manufacture : en
  • FR771634A - Rescue jumpsuit : en fr
  • GB417580A - Improvements relating to pupin coil boxes : en
  • US1976029A - Method of heating a pipe still : en
  • DE603870C - Device for fixing the roller bearing on the roll neck in the axial direction : de en
  • US1976175A - Process of preparing adenosine phosphoric acid : en
  • USD93581S - Design fob a shoe : en
  • CA345112A - Hot water heating system : en fr
  • CA345130A - Cigarette holder : en fr
  • CA345113A - Hose and shoe protector : en fr
  • CA345182A - Centrifuge feed tube : en fr
  • FR771463A - Sprayer : en fr
  • CA345169A - Ship cargo ventilating apparatus : en fr
  • US1975848A - Press : en
  • AT138887B - Objective nosepiece for microscopes. : de en
  • US1976013A - Lubricating apparatus for metal cutting machines : en
  • US1976560A - Method of recording sound : en
  • DE603810C - Heat treatment of iron-nickel-beryllium alloys : de en
  • DE604039C - Rotor bearings, especially to prevent the vibrations of high-speed rotors : de en
  • DE604059C - Overcurrent release for electrical switches : de en
  • USD93583S - Design for a merry-go-round : en
  • US1976140A - Furniture : en
  • US1976673A - Method of attaching a closure to a container : en
  • GB417824A - Improvements in electrical ozonizers : en
  • DE603781C - Process for the production of shoes and insole produced according to this process : de en
  • FR44087E - Windscreen wiper refinements : en fr
  • FR771481A - Device for polishing glass sheets or blades : en fr
  • DE586729C - Slider for zippers with swiveling handle : de en
  • US1976342A - Method of electric flash welding : en
  • FR771646A - Photographic process applicable in particular to cinematography in natural colors and to polychrome photomechanics, apparatus for its implementation and products resulting therefrom : en fr
  • FR771431A - Improvements in the manufacture of materials for producing or detecting polarized light : en fr
  • DE603905C - Coil spring button : de en
  • FR771474A - Debitage device for cigarette making machines : en fr
  • FR771540A - Engine upgrades : en fr
  • US1976042A - Rotary internal combustion engine : en
  • GB417638A - Improvements in and relating to electric immersion heaters : en
  • DE603715C - Test stand based on electrical power measurement for roadworthy vehicles : de en
  • DE604077C - Arrangement for the control of the grid circles of discharge paths with self-regulating inverters : de en
  • CA345168A - Thermostatic valve : en fr
  • CA345205A - Gas desiccation : en fr
  • US1975918A - Vibration damped structure : en
  • US1976093A - Decorating device : en
  • US1976353A - Portable refrigerated tray : en
  • AT138948B - X-ray tube with an anticathode designed as a rotor of an electric motor. : de en
  • US1976475A - Electric valve converting apparatus : en
  • FR44067E - Shutter for cameras : en fr
  • US1976443A - Double bed couch : en
  • US1975983A - Continuously operating sliding press provided with a rectilinearly reciprocating press table guided in the carriage : en
  • US1976066A - Machine for enameling sheet metal : en
  • US1976109A - Grinding machine : en
  • US1976470A - Tone-arm for electric phonographs : en
  • DE603943C - Method for firing fireclay in a rotary kiln : de en
  • AT138868B - Method for producing a feed. : de en
  • CA345218A - Fibrous product : en fr
  • DE603826C - Parallel switching device : de en
  • FR771661A - New auto-collimator device : en fr
  • AU1689034A - Improvements in or relating toa process and apparatus for degreasing by means of volatile solvents : en
  • US1976276A - Windshield heater : en
  • FR771484A - Machine for automatic pressing of fruits and the like : en fr
  • FR771667A - Method and devices for establishing graphical representations in space : en fr
  • GB417671A - An improved combination of opera or field glass with a photographing apparatus : en
  • AT139032B - Telecommunication cables. : de en
  • US1976343A - Aligning sheet metal edges for electric welding : en
  • DE594543C - Converter from direct to alternating current for toy purposes by mechanical means : de en
  • US1976023A - Method of manufacturing shoes : en
  • US1976050A - Automatic code signaling device : en
  • US1976445A - Valve control system : en
  • AT138870B - Calculating or accounting machine. : de en
  • DE603961C - Device for the ventilation of electrical machines, in particular turbo-generators system Ljungstroem : de en
  • AU1451433A - Improvements in or relating to thermionic valve arrangements suitable for use in radio and like transmitters : en
  • CA345215A - Seat : en fr
  • AT138892B - System for directing aircraft along a line. : de en
  • GB417663A - Improvements in or relating to electric synchronised motion transmission systems : en
  • US1975793A - Carburetor : en
  • DE603988C - Chain stitch sewing machine, especially wet sewing machine : de en
  • US1976699A - Television transmission : en
  • US1975860A - Absorption refrigeration : en
  • US1975892A - Method and apparatus for controlling storage batteries : en
  • US1975907A - Motion picture reproducing apparatus : en
  • US1975929A - Sound record and method of making the same : en
  • US1975949A - Kitchen utensil : en
  • DE603908C - Device for winding mica sleeves : de en
  • US1975887A - Vehicle brake : en
  • US1976366A - Wheel base and work drive control : en
  • US1976570A - Constant frequency oscillator : en
  • DE603818C - Mercury switch tube, which is carried by an insulating material axis serving as a tilting axis : de en
  • US1976528A - Process for burning oil insoluble sludge : en
  • US1975841A - Packing tin plates : en
  • US1975992A - uhthoff : en
  • US1975785A - Pyrotechnic composition for producing orange smoke : en
  • US1976326A - Vehicle seat construction : en
  • US1976608A - Electrical apparatus : en
  • USD93585S - Design for an ash tray or similar : en
  • US1976077A - Self-locking nut and cap screw : en
  • US1976574A - Radioreceiver : en
  • FR771694A - Process for recording sounds on phonographic discs and disc for implementing this process : en fr
  • AT138915B - Warming device for vessels that are used to hold coffee and milk or the like. : de en
  • AT138963B - Device for remote monitoring and remote control. : de en
  • CA345124A - Bast fibre production : en fr
  • CA345203A - Carbureter : en fr
  • US1975842A - Roof construction : en
  • US1976569A - Control system : en
  • AT138906B - Purse. : de en
  • CA345172A - Metal detergent : en fr
  • DE603896C - Roentgen tubes, the anticathode of which consists of a fixed, good heat-conducting part, around which the part hit by the electrons rotates when it rotates : de en
  • FR771550A - Auto-concentrator-desulfitor, for fruit juices or other liquids : en fr
  • DE599293C - Process for generating a high quality mixed gas from lignite gas and water gas : de en
  • US1976121A - Shovel seat : en
  • AT139023B - Device for humidifying the intake air of internal combustion engines. : de en
  • CA345180A - Basin waste plug : en fr
  • FI16135A - Anordning vid hälsofönstermekanism : en fi
  • DE603783C - Winding machine in which the carrier of the winding head drive is detachably attached to the machine frame : de en
  • DK49379C - Device for cutting machines for hams and the like. : da en
  • FI16131A - Hjul för motorfordon eller dylikt med avtagbara fälgar : en fi
  • IE13165L - Milk boiling vessels : en
  • FR771476A - Improvements to signaling systems for railways : en fr
  • GB417789A - Improvements in or relating to thermionic valves : en
  • GB417835A - Improvements in furnace walls : en
  • AT138970B - Process for the production of picture and sound recordings. : de en
  • FR771601A - Automatic play take-up piston : en fr
  • FR771461A - Improvements to temporary constructions such as scaffolding and platforms : en fr
  • GB417719A - Improvements in or relating to the treatment of wool and like fibres or materials made therefrom to render them unshrinkable : en
  • US1976102A - Heat transfer device : en
  • US1976251A - Letter drop for mail chutes : en
  • US1976314A - Planter mechanism : en
  • US1976472A - Metallic weather strip for windows : en
  • US1976602A - Process for breaking petroleum emulsions : en
  • DE603887C - Regulator arrangement for electrical machines : de en
  • DE603885C - Automatic switch for starting device : de en
  • DE603914C - Sausage filling device : de en
  • DE603982C - Support device for turret tools, which sit with their rear end on the drilling turret head of a turret bank and are additionally supported at their front end by the turret slide : de en
  • DE603786C - Drying device for plate-shaped goods : de en
  • DE598347C - Air jet impact shredder : de en
  • CA345166A - Boiler drum : en fr
  • GB417669A - Process for the separation of carbonic acid from gases containing the same : en
  • FR44084E - Dental spittoon with servo-driven lifting device : en fr
  • FR771659A - Road surfacing composed of reinforced concrete slabs : en fr
  • DE603780C - Footwear, especially summer shoes : de en
  • FR771611A - Further development in the establishment of vehicle suspension springs : en fr
  • FI16109A - Copying of the telephone for the purpose of replacing the connection to the acoustic equipment of the acoustic equipment : en fi
  • FR771480A - scaffolding made of pipes, tubes, bars, etc. : en fr
  • FR771552A - Improvements to hydraulic motion transmission devices : en fr
  • GB417782A - Improvements in automatically timed centrifugal apparatus : en
  • GB417528A - Improvements in or relating to typographical slug casting machines : en
  • GB417804A - Improved means for coupling driving and driven elements together : en
  • FR771438A - Improvements to plastic compositions : en fr
  • FR771498A - Sighting device intended to facilitate work on welding machines : en fr
  • FR771655A - Advanced dual motion wringer : en fr
  • FR771467A - Flexible tube for gases and liquids : en fr
  • US1976496A - Tobacco pipe : en
  • US1976603A - Paper spacing device : en
  • USD93551S - Design fob a shoe : en
  • US1975932A - Sound-receiving and transmitting system : en
  • US1976526A - Reconditioning of worn rail joints : en
  • GB417859A - Improvements in or relating to means for preventing the theft or unauthorised removal of a motor vehicle : en
  • GB417998A - Improvements in and relating to apparatus for drying coffee beans and other granularor farinaceous materials : en
  • US1975777A - Rotary valve engine : en
  • FR771626A - Illuminated rear light device for cycles : en fr
  • GB417742A - Improvements in or relating to controlling devices for arc appliances with vapour orgas discharge path : en
  • GB417834A - An improved process for making crystalline sugar from wood sugar solutions : en
  • GB417997A - Improvements in splints : en
  • GB417668A - Improvements in or relating to heat transmitting tubes : en
  • US1976031A - Convertible table : en
  • US1976495A - Safety apparatus for multiple car elevators : en
  • FR771493A - Improvements to canoes, rowboats and similar craft and their propulsion system : en fr
  • GB417780A - Improvements relating to valves of the parallel slide type : en
  • US1976210A - Method of hardening iron and steel : en
  • US1976581A - Electrical distribution system : en
  • DE603854C - Ski binding : de en
  • GB417736A - Improvements in and relating to electric transformers : en
  • GB417794A - Process for the manufacture of carbazole compounds : en
  • AT139033B - Leadless electrical cable. : de en
  • US1975837A - Internal-combustion engine : en
  • US1976376A - Hydration of glycerides : en
  • US1976498A - Electrical measuring instrument : en
  • US1976585A - Money delivering device : en
  • US1976593A - Absorption apparatus : en
  • USD93562S - Design fob a shoe : en
  • US1976059A - Lubrication device : en
  • US1976645A - Apparatus for controlling discharge lamps : en
  • DE604030C - Sheet metal housing for small and medium-sized AC foot motors, on whose shaft a belt pull is exerted : de en
  • DE603968C - Furniture that can be assembled from parts : de en
  • CA345155A - Railway track treating method : en fr
  • US1975850A - Truck-trailer combination : en
  • US1976499A - Control system : en
  • US1976502A - Pressure treatment of substances such as latex : en
  • FR44070E - Baler for javelle fodder : en fr
  • GB417608A - Improvements relating to automatic volume control for radio-receiving apparatus : en
  • DE603977C - Teaching aids for color science : de en
  • US1976232A - Wringer : en
  • US1976177A - Process for treating hydrocarbon oils : en
  • US1976554A - Dynamo-electric machine : en
  • DE580305C - Pressure device for scales : de en
  • US1976302A - Photothermographic composition : en
  • DE603944C - Tin box with a hinge : de en
  • US1975789A - Boiler : en
  • USD93536S - Design for a game apparatus : en
  • FR771401A - Process for the preparation of sulphonation products of mineral oils, tar oils, and the like, rich in sulfur : en fr
  • GB417813A - Improvements in or relating to slinging gear for aircraft : en
  • GB417634A - Improvements in or relating to valve-gear for steam engines : en
  • US1976546A - Counter-balance for locomotive drive wheel centers : en
  • GB417554A - Improvements in or relating to knitting machines : en
  • US1976159A - Incubator for hatching or incubating eggs : en
  • FR771645A - Lifting device for operating spare wheels for motor vehicles or other vehicles : en fr
  • DE603727C - Cigar wrapping device with grippers arranged on the winding roll carrier for gripping and pulling off the binder : de en
  • DE603892C - Welding device for attaching the pins of bayonet sockets of electric light bulbs and similar closed glass vessels : de en
  • DE603951C - Pressure oil lubrication for railway axle bearings : de en
  • GB417704A - Improvements in method of operating retort to produce coke, gas and oil : en
  • GB417636A - Improvements in or relating to electric circuit interrupters : en
  • DE603769C - Pendulum mill : de en
  • GB417553A - Improvements in and relating to electric lamps or the like : en
  • GB417560A - Improvements in pile construction : en
  • GB417785A - Improvements in or relating to the manufacture of antibacterial and germicidal compounds : en
  • GB417865A - Improvements in or relating to means for collecting the dust produced when boring rock or the like : en
  • FR771688A - Net without bead panel, with multiple holes transforming for bottom fishing, between two waters, or on the surface, and pouring its catch on the deck : en fr
  • GB417616A - Improvements in and connected with railway sleepers : en
  • FI16126A - Device for filling tanks with pressure, especially for starting internal combustion engines : en fi
  • DE603962C - Device for largely reducing the influence of temperature on the size of the direct current supplied to a consumer by a dry plate rectifier arrangement : de en
  • FR771491A - Target for shooting : en fr
  • GB417509A - Improvements in pneumatic tyres and mountings therefor : en
  • USD93569S - Design fob a radiator cabinet : en
  • US1976494A - Lock down compensator : en
  • US1976361A - Manufacture of anhydrous dextrose : en
  • DE603875C - Device for compacting granular and powdery fuels : de en
  • FR44059E - Device for automatic feeding of bottles, flasks and the like, under the working bodies of capping, capping, and other machines : en fr
  • DE603635C - Process for the representation of dyes : de en
  • DE603975C - United driving and safety brake for conveyor machines : de en
  • DE601017C - Device for the production of insert plates for heddles : de en
  • DE603976C - Method and device for measuring the pick resistance of the surface of paper or similar materials : de en
  • GB417772A - Improvements in bushes for axle boxes for mechanical lubrication from above : en
  • US1975954A - Method of producing magnesia deficient in lime and calcium nitrate from dolomite : en
  • US1976637A - Ball bearing structure : en
  • DE593975C - Process for generating frictional electricity : de en
  • DE603790C - Circuit arrangement for telecommunication systems, in particular telephone systems, in which signals are transmitted by direct current surges in an inductive manner via inductively coupled connecting lines : de en
  • DK49367C - Procedure for the Preservation of Specific Animal Organs and Other Animal Substances for Medicines or for Raw Materials for the Manufacture of Medicines : da en
  • US1975816A - Rail joint : en
  • US1976143A - Cooling device for the glass plates of copying frames : en
  • USD93546S - Design fob a shoe : en
  • CA345147A - Lead oxide production : en fr
  • CA345192A - Dairy product processing : en fr
  • CA345212A - Contact bank : en fr
  • CA345224A - Ignition device : en fr
  • GB417510A - Improvements in and relating to brake mechanism applicable also to clutches : en
  • DE603981C - Turning device for internal combustion engines : de en
  • FR44075E - Automatic power supply regulator for continuous fluid pressure brakes : en fr
  • AT138904B - Cord made of textile threads and rubber or the like, and processes for their production. : de en
  • US1976408A - Filter : en
  • AT139007B - Shut-off valve. : de en
  • AU1274433A - Textile fabrics : en
  • US1976457A - Method of and means for removing modulation from a modulated wave : en
  • US1976213A - Turn indicator : en
  • AT138942B - Closure for sachets. : de en
  • AT138943B - Method for recovering the lost energy from internal combustion engines. : de en
  • FR771597A - Internal combustion engine with air-cooled cylinders : en fr
  • FR771662A - Improvements to hardness testing machines : en fr
  • US1975791A - Typewriter actuator : en
  • CA345188A - Dehydrated flour mixture : en fr
  • GB417940A - Improvements in or relating to windscreen wipers : en
  • US1975955A - Convertible freight car : en
  • US1975951A - Machine tool : en
  • US1976417A - Valve control means : en
  • USD93592S - Design for a pressure cooker or : en
  • FR771499A - Advanced coverage for roofs and tiles for its construction : en fr
  • FR771533A - Grip chain for vehicle : en fr
  • FR771420A - New Chromium Azo Dyes : en fr
  • FR771699A - Gear change device : en fr
  • GB417688A - Improvements relating to curtain rail runners : en
  • US1976436A - Adhesive and process of making same : en
  • DE603946C - Water level indicator with a collecting screen and an artificial light source : de en
  • FR771421A - Chromiferous Azo Dyes : en fr
  • FR771522A - Improvements made to rail vehicles including bogies or bissels : en fr
  • DE604014C - Process for the production of colorings on structures made of cellulose esters, cellulose ethers and polyvinyl acetate : de en
  • DK49374C - Cable for Transmission of High Frequency Electrical Signals. : da en
  • US1976655A - Casting ring : en
  • US1976081A - Desk : en
  • DE603945C - Process for the preparation of the 2íñ3íñ6íñ8-tetrasulfonic acid of carbazole : de en
  • DE603372C - Process for the production of fastener links for zippers : de en
  • FR771442A - Instrument for extracting juice from lemons, oranges, etc. : en fr
  • GB417842A - Improvements connected with the picking and take-up motions of looms for weaving : en
  • FR771547A - Improvement in center caps for vehicles : en fr
  • GB417773A - Improvements in or relating to sheet metal piles : en
  • DK49361C - Stiffening Insert for Garments of Any Art. : da en
  • US1975882A - Railway wheel assembly : en
  • US1976336A - Apparatus for producing oxygen from liquid air : en
  • FR44072E - Machine for wringing and drying artificial silk cakes or others : en fr
  • GB417649A - Improvements in or relating to harness for parachutes : en
  • AT138921B - Self-igniter for gas cookers. : de en
  • US1975859A - Room cooling apparatus : en
  • AT139039B - Molten electrolyte rectifier. : de en
  • DE603850C - Brake with brake shoes connected by handlebars, especially for motor vehicles : de en
  • FR771594A - Device for economical cellular floor in reinforced concrete without props or formwork : en fr
  • GB417751A - Improvements in leading-in conductors for vitreous envelopes : en
  • GB417752A - Improvements in and relating to coin freed apparatus : en
  • AT138859B - Device for operating a sound generator operated with alternating current from a direct current network. : de en
  • US1976189A - Match holder : en
  • US1976390A - Paper file : en
  • US1976071A - Motor vehicle : en
  • USD93567S - Design fob narrow elastic tape : en
  • CA345154A - Cutting or welding machine : en fr
  • CA345175A - Cloth finishing mechanism : en fr
  • AT138908B - Expansion vessel for cables and apparatus. : de en
  • US1976065A - Game : en
  • US1976291A - Locomotive valve : en
  • AU1311533A - An improved automatic telephonic alarm : en
  • AT138975B - Spin for laundry. : de en
  • US1975794A - Suspension and drive for vehicles : en
  • US1976191A - Wrinkle resin finish : en
  • US1975923A - Rope construction : en
  • AU1450933A - Improvements in or relating to volume control systems suitable for use in radio receiving and like apparatus : en
  • US1975827A - Sheet glass rolling machine : en
  • US1976607A - Multiple mounting corner : en
  • AU1455033A - Tennis ball projector : en
  • CA345241A - Age-resisting iron or steel : en fr
  • AT138939B - Method and circuit arrangement for simultaneous telephoning and continuous remote transmission of several measured variables. : de en
  • US1975813A - Sewing machine : en
  • DE603736C - Circuit arrangement for telegraph systems, especially for multi-level self-connecting telegraph offices : de en
  • CA345226A - Shoe tree : en fr
  • DE603759C - Carrying insulator designed for high voltage for the supply lines of electric light bulbs connected in series : de en
  • DE604017C - Process for the production of condensation products with a tanning effect : de en
  • AT138860B - Setting machine for granular material. : de en
  • CA345247A - Advertising device : en fr
  • US1976010A - Azo dye and method for its preparation : en
  • FR771503A - Balanced control device for the brakes of a vehicle : en fr
  • AU1520733A - Improvements in or relating tothe fuel supply means of internal combustion engines : en
  • US1975760A - Dishwasher : en
  • DE604078C - Ammeter : de en
  • DE604536C - Ice cream producer by introducing relaxed carbon dioxide : de en
  • FR771681A - Container closure device : en fr
  • US1976301A - Method of producing a plurality of colored images in a single photographic emulsion layer : en
  • GB417995A - Improvements in electric follow up and remote control systems : en
  • DE603996C - Device for drawing pressure medium from cylinders of internal combustion engines : de en
  • GB417559A - Improvements in or relating to a process of spreading aqueous dispersions of or containing rubber or the like : en
  • US1976074A - Fire extinguisher : en
  • US1976122A - Hydraulic drive for grinding machines : en
  • AT138875B - Neutralization circuit for screen grid tubes. : de en
  • US1975809A - Fuse for projectiles : en
  • US1976092A - Apparatus for welding with copper : en
  • US1976129A - Means for operating a hydraulic jack : en
  • AT138938B - Calculating or accounting machine with several adding units. : de en
  • US1976322A - Roller bearing journal box : en
  • AU1452133A - Improvements in dynamic speakers, microphones, andthe like sound reproducing and recording apparatus : en
  • CA345242A - Rubber conversion product manufacture : en fr
  • AT138881B - Anesthesia machines, in particular for dental purposes. : de en
  • DE603991C - Machine for applying a coating of coating material to pieces of cake : de en
  • DE603782C - Storage device for cross-shed winding machines : de en
  • DE582781C - Converter from direct current to alternating current for toy purposes by mechanical means by means of a rotatable cylindrical insulating body : de en
  • US1976255A - Fifth wheel coupling mechanism for vehilcles : en
  • US1975943A - Bread slicer : en
  • DE603923C - Self-connecting exchange for a plurality of subscribers, each of whom is equipped with a remote printer : de en
  • DE603955C - Method for remote synchronization of a television receiver which is equipped with a synchronous motor set up for connection to the local alternating current network : de en
  • DE603978C - Automatic humidifier for flowerpots : de en
  • FR44063E - Improvements to devices for setting up lifting jacks with automatic attachment to automobile frames : en fr
  • FR44085E - Distributor-spreader usable in the manufacture of pasta known as long pasta : en fr
  • DE603998C - Device for creating an artificial target : de en
  • CA345109A - Screen : en fr
  • US1976216A - Inclination recording instrument for rotary strings : en
  • CA345244A - Two-way telephone system : en fr
  • GB417769A - Improvements in or relating to machines for reeling paper or like webs : en
  • US1975802A - Pneumatic inner tube : en
  • US1975819A - Automatic electric iron : en
  • US1975831A - Carton : en
  • US1976061A - Grease gun structure : en
  • US1976606A - Card punching device : en
  • US1976220A - Method of winding artificial thread : en
  • US1976464A - Pump : en
  • USD93547S - Design for a shoe : en
  • USD93565S - Design fob a shoe : en
  • FR771417A - Process and alloys for the manufacture of electrical cable jackets : en fr
  • FR771525A - Closure for metal containers : en fr
  • GB417676A - Improvements in and relating to mercury vapour rectifiers : en
  • DE604008C - Metallic film carrier with light transmission opening : de en
  • GB417707A - An improved filter sieve for use in filtration of liquid bodies carrying suspended solid material : en
  • GB417709A - Improvements in milling and like machines for copying and reproducing : en
  • US1976357A - Machine for straightening, drawing, and polishing rods : en
  • US1976543A - Automobile signal system : en
  • USD93541S - Design fob a shoe : en
  • US1975790A - Cap for receptacles : en
  • US1975952A - Pipe for smoking tobacco : en
  • CA345134A - Flaying knife : en fr
  • GB417718A - Improvements in or relating to vibratory devices such, for example, as are used in the electrical recording or reproduction of sound : en
  • GB417532A - Improvements in or relating to safety devices for pressing, stamping and like machines : en
  • GB417602A - Improvements in or relating to typographical slug casting machines : en
  • US1975913A - Machine for wrapping cigars with protective material : en
  • GB417866A - Improvements in and relating to electric circuit breakers : en
  • FR771619A - Automobile car : en fr
  • GB418288A - Improvements in or relating to hand trucks, hand trolleys and the like : en
  • US1976601A - Sheet registering mechanism : en
  • US1976238A - Control head : en
  • US1975855A - Loader for zinc furnaces and the like : en
  • US1975867A - Printing plate and process of preparing same : en
  • US1975895A - Sealed double-pane glass and frame : en
  • US1976048A - Motor driven lathe head : en
  • US1976553A - Electron discharge tube : en
  • AU1693734A - Improvements ina or relating to the manufacture of parasitical and like compositions : en
  • GB417717A - A new or improved machine for greasing dough moulds : en
  • DE603825C - Protection device for electrical networks : de en
  • FR44055E - Improvement in electrical resistances : en fr
  • FR771482A - Filling and degassing opening with closure for multiple-cell accumulator : en fr
  • FR771495A - Printing machine : en fr
  • US1976148A - Machine for beading over sheet metal flanges : en
  • US1975876A - Advertising and display device : en
  • DE604024C - Distortion-free amplifier : de en
  • DE604032C - Device for reducing the disturbances that high-frequency apparatus for electromedical treatment exert on neighboring radio reception systems : de en
  • FR771410A - Improvements in the assembly of travel rollers for tower cranes : en fr
  • US1975825A - Window device : en
  • US1976530A - Delivery container : en
  • US1976537A - Axle bearing : en
  • CA345235A - Hydrocarbon oil conversion : en fr
  • DE603802C - Method and device for the production of closures for the overlapping ends of band tires without sleeves : de en
  • DE604038C - Coupling device for surface measuring machines : de en
  • FR771586A - Food product made from fruits or vegetables and method of preparation : en fr
  • GB417536A - Improvements in and relating to metal strips or fillets for use in the manufacture of boxes and like containers : en
  • GB417823A - Improvements in sheet metal structural elements : en
  • GB418303A - Improvements in and relating to thermostats for controlling the supply of gas for heating purposes : en
  • DE603728C - Cigarette machine with a device for gluing the strand seam : de en
  • DE604085C - Machine for cutting bread and cheese : de en
  • FR44056E - Device for protecting low-voltage electrical installations against overvoltages : en fr
  • FR771677A - Electric lighting and ignition device for vehicles : en fr
  • GB418214A - Improvements in and relating to therapeutic for deficiency diseases and method of preparing the same : en
  • GB417764A - Improvements in cemented shoe and method of making the same : en
  • US1975885A - Wire connecter : en
  • DE603543C - Use for packing bottles in boxes or the like. : de en
  • CA345139A - Bottle, paste container, etc. : en fr
  • DE604041C - Self-collecting connection device : de en
  • GB417646A - Improvements in or relating to electric switches or circuit breakers : en
  • CA345201A - Flowing fluid distribution : en fr
  • GB417543A - Improvements in or relating to cigarettes : en
  • GB417548A - Improvements in and relating to retarding apparatus for vehicles : en
  • GB417831A - Improvements in and relating to the operation of flame arc furnaces : en
  • DE603420C - Remote control for vehicle shock absorbers : de en
  • FI16120A - Fertilization provisions and arrangements for the transfer of rubber gauges and for the adjustment of rubber gauges : en fi
  • GB417541A - Improvements in and relating to fuel injection pumps for internal combustion engines : en
  • GB417670A - Process for the manufacture of anhydrous alkali sulphides : en
  • GB417525A - Improved construction of lock : en
  • USD93578S - Design fob : en
  • FR771584A - Hydraulic transmission : en fr
  • US1976517A - Thermostat : en
  • US1976197A - Automatically compensating film feeding means for motion picture devices : en
  • FR44091E - Rubber lined glove : en fr
  • DE603971C - Foam soap maker : de en
  • FR771600A - Circuit assemblies : en fr
  • DE603549C - Transfer device consisting of two screw-together valve heads for flammable and easily evaporating liquids : de en
  • DE604023C - Loudspeakers consisting of several conical membranes of different dimensions, opened in the same direction : de en
  • FR771639A - Process for the manufacture of products similar to ceramic products : en fr
  • GB417750A - Improvements in or relating to bolted butt joints : en
  • GB417594A - Improvements relating to steam heating systems for steam driven locomotives : en
  • CA345117A - Tire valve : en fr
  • AT138899B - Electric lamp. : de en
  • AT138872B - Send arrangement. : de en
  • US1976346A - Control for a photographic recording apparatus : en
  • FR771523A - Folding support device, usable as a seat and even as a bunk for camping, beach and other applications : en fr
  • FR771539A - Self-locking ball joint : en fr
  • GB417805A - Improvements in electric plug and socket connections : en
  • GB417861A - New naphthalene derivatives : en
  • GB417683A - Improvements in apparatus for inserting packages or similar articles into canisters or other receptacles : en
  • FR771404A - Improvements relating to the manufacture of glass sheets : en fr
  • DE603898C - Method and device for pulling off the goods in knitting machines : de en
  • DE604086C - Machine for chopping food : de en
  • GB417629A - Flexible transmission couplings : en
  • AT138895B - Gas-filled electric arc lamp. : de en
  • US1975945A - Cooling unit for refrigerating systems : en
  • US1976329A - Waterproof and punctureproof paper : en
  • DE603684C - Process for the production of a uniform heat carrier layer using curtain nozzles for evaporation systems : de en
  • DE603754C - Changeover switch for telephone exchanges u. like : de en
  • DE604088C - Lifting and fixing device for the pendulum and the indicator of inclination scales : de en
  • AT138973B - Window seal. : de en
  • AU1416133A - An improved hydraulic pressure valve for water mains : en
  • CA345128A - Heat exhanger : en fr
  • DE603705C - Electrode for introducing medicines into the body by means of iontophoresis : de en
  • US1975931A - Railway vehicle wheel : en
  • US1976234A - Household pet's bed : en
  • US1976705A - Apparatus for turning concave rolls : en
  • AT138926B - Ski binding. : de en
  • AT138911B - Process for the production of machine and components made of light metal that are resistant to wear. : de en
  • CA345179A - Window bag making apparatus : en fr
  • US1976377A - Electric picture transmission : en
  • USD93538S - Design for a toilet seat hinge : en
  • US1976168A - Bathing plant : en
  • FI16121A - Angle measuring device for compass : en fi
  • FR771657A - Concrete deaeration system : en fr
  • DE603710C - Device for filling continuously operated vertical chamber ovens : de en
  • DE603932C - Process and device for the transfer of animal glue or gelatin in small pieces : de en
  • DE603777C - Handlebar suspension for bicycles : de en
  • US1976309A - Self-locking gear shifting device : en
  • US1975821A - Overload switch : en
  • US1976589A - Pipe joint : en
  • US1976652A - Electric heater : en
  • US1976064A - Watch : en
  • US1976696A - Self compensated motor fuel and process of making same : en
  • US1976229A - Fluid applicator for printing ribbons : en
  • CA345131A - Agricultural machine : en fr
  • US1975939A - Weld trimming machine : en
  • US1976103A - Milling machinery : en
  • US1976400A - Cathode ray scanning device : en
  • AT138945B - Starting device for asynchronous machines with the help of controlled converters. : de en
  • AT139034B - Electric switch. : de en
  • AT138916B - Box with single or multiple row hinges. : de en
  • AT138954B - Gas-filled electric metal filament light bulb. : de en
  • US1975861A - Muffler : en
  • US1975976A - Underfloor duct outlet : en
  • US1976218A - Treatment of material containing organic esters of cellulose : en
  • US1976363A - Method of manufacturing mottled molded articles : en
  • CA345107A - Incandescent electric lamp : en fr
  • US1975858A - Shank piece and stiffener : en
  • US1976549A - Drain fixture for sinks : en
  • USRE19338E - Automatic steering mechanism : en
  • US1976405A - Golf drive indicator : en
  • US1975815A - Lock nut : en
  • US1975843A - Purification and hydrogenation of pyridines : en
  • US1975835A - Transmission operating mechanism : en
  • US1976355A - Speed control for bands : en
  • CA345110A - Aluminium soldering method : en fr
  • US1976448A - Meat-soaking mechanism : en
  • US1976613A - Roller bearing : en
  • USRD19340E - Design for a mail box : en
  • CA345210A - Electric discharge vessel : en fr
  • US1976254A - Hand stamp mount : en
  • US1976268A - Renewable cutting edge for plowshares : en
  • US1976500A - Electric discharge device : en
  • DE603682C - Pocket-shaped, block tilting chair that can be tilted to both sides : de en
  • DE603900C - Back washing device : de en
  • DE603967C - Wiper device (mop broom) with a wool fringed body stretched on a closed frame : de en
  • FI16104A - Tie straightener : en fi
  • GB417803A - Improvements in or relating to wire tying machines : en
  • CA345129A - Hernia truss : en fr
  • CA345234A - Switching system : en fr
  • US1976617A - Tabulating machine : en
  • US1976579A - Window lock : en
  • US1975875A - Temperature controlled car : en
  • GB417610A - Improvements in the firing of boilers : en
  • DE604076C - Thermal trigger : de en
  • DE603615C - Circuit arrangement for signal systems with several loops : de en
  • GB417672A - Improvements in and relating to weaving shuttles : en
  • GB418291A - Stop motion for spinning, doubling, twisting and like frames : en
  • DE603722C - Clothes connecting device : de en
  • DE604033C - Process for the production of conversion products of the complex chromium compounds of azo dyes : de en
  • DE603784C - Bottle spool : de en
  • DE603890C - Multi-pole electrical machine with small expansion in one direction : de en
  • DE604043C - File guide for sharpening saws : de en
  • US1976132A - Portland cement manufacture : en
  • US1976133A - Process of grinding portland cement : en
  • US1976135A - Process of making single soled shoes : en
  • US1976653A - Cigarette holder : en
  • FI16111A - Anordning vid Mekaniska eldstadsanordningar : en fi
  • FR771536A - Burners improvements : en fr
  • GB417643A - Improvements in anodic incandescent lamps : en
  • GB417754A - Improvements in or relating to electric current collectors of the slider shoe type : en
  • DE603959C - Installation auto switch : de en
  • DE604051C - Jackhammer : de en
  • USD93550S - Design fob a finger ring : en
  • DE603902C - Device for measuring the accelerating gas pressure and bullet friction in firearms : de en
  • DE603972C - Door drive for elevators : de en
  • DE603985C - Drive for the needle bar transverse oscillation in zigzag sewing machines : de en
  • AT138863B - Shirt. : de en
  • AT138894B - Carbon arc lamp closed vacuum-tight. : de en
  • GB417533A - Improvements in or relating to safety devices for pressing, stamping and like machines : en
  • FR771466A - Mobile contact with rolling motion on the fixed contact, intended for electrical switches with overcurrent tripping : en fr
  • US1976459A - Process for rough turning in the lathe or similar machine tool : en
  • GB417777A - Thread-controlling mechanism for sewing machines : en
  • DE603730C - Device for dispensing a liquid in an adjustable amount : de en
  • GB417572A - Improvements in or relating to snap fastener studs : en
  • FR771412A - Sequined lace and tulles : en fr
  • GB417524A - Improvements in or relating to automatic or semi-automatic telephone or like systems comprising coin box stations : en
  • FR44068E - Improvements to lighting devices : en fr
  • FR44077E - Selective dowsing rod : en fr
  • GB417508A - Improvements in or relating to lidded containers : en
  • GB417566A - Improvements in and relating to reaping and mowing machines : en
  • US1976117A - Mail box and indicator : en
  • FR44089E - Improvements to automatic headlight systems : en fr
  • FR771627A - Observation scope for defense against aircraft : en fr
  • GB417557A - Improvements in and apparatus for the glue treatment of wooden dowel pins and like connecting members : en
  • FR771528A - Improvements to internal combustion and explosion engines : en fr
  • DE603960C - Electrical unit, consisting of main machine and exciter : de en
  • GB417787A - Improvements in and relating to electric transformers : en
  • US1976316A - Golf tee : en
  • US1976259A - Machine for folding paper bags : en
  • US1976285A - Wire stitching machine for stitching corrugated cardboard cartons or the like : en
  • DE603830C - Brush holders, especially for reversing motors : de en
  • DE603680C - Method and device for low-tension stranding out of round wires : de en
  • FR44080E - Autonomous and independent steam heating concentrator and desulfurizer : en fr
  • FR44095E - Back-to-back table replacing the bench for sinks or similar shelves : en fr
  • GB417632A - Improvements in and relating to address-printing machines : en
  • FR771514A - Improvements in the manufacture of rubber articles requiring compressibility, such as padding cushions : en fr
  • GB417522A - Improvements in heaters for the intake manifolds of internal combustion engines : en
  • DE604074C - Switching device to be arranged on alarm clocks for automatic switching on and off of the electric current : de en
  • DK49357C - Cigarette lighters. : da en
  • FR771408A - High efficiency automatic pick-up system : en fr
  • US1975836A - Automobile construction : en
  • US1976380A - Egg cleaning machine : en
  • CA345183A - Ski binding : en fr
  • US1975880A - Electrical discharge apparatus : en
  • US1976226A - Device for transmitting intermittent motion : en
  • US1976592A - Drain for breather type roofs : en
  • US1976096A - Electrical signaling system : en
  • US1976504A - Coupling device for electrical circuits : en
  • US1975974A - Piston expander : en
  • AT138979B - Mechanical warp thread monitor in the heald frame. : de en
  • AT138995B - Plate for the production of furnace screens u. like : de en
  • GB417633A - Improvements in or relating to multiple groove expanding pulleys : en
  • DE604010C - Process for coating materials of all kinds : de en
  • FI16101A - Compatibility with the application of Strumpor : en fi
  • GB417637A - Improvements relating to high pressure pipe joints : en
  • GB417795A - Improvements in or relating to electrical power metering systems : en
  • AT138990B - Device for scaffolding. : de en
  • GB417542A - Improved waist supported trousers : en
  • GB417612A - Improvements in and relating to the grinding of curved surfaces : en
  • US1976266A - Auxiliary liquid level indicating means : en
  • FR771531A - New sound recording device : en fr
  • FR771587A - Photographic material for color raster images and method of making same : en fr
  • US1976334A - Edge setter : en
  • US1975957A - Radiator : en
  • US1976294A - Spark plug : en
  • DE603865C - Centrifugal mill generating an air stream without an auxiliary fan : de en
  • DE604048C - Movable vehicle floor : de en
  • DE604092C - Pulsator for milking machines : de en
  • GB417999A - Improvements in or relating to the polymerisation of organic compounds : en
  • US1975921A - Heater : en
  • FR771537A - Improvements in the manufacture of pointless incandescent electric lamps or similar articles : en fr
  • DE604042C - Hand hoe with a multi-pronged blade : de en
  • DE603796C - Circuit arrangement for glow cathode roentgen tubes with two cathodes : de en
  • FR771509A - Improvement in liquid meters : en fr
  • IE13734L - Rail manufacture : en
  • DE603903C - Device for calculating and visually displaying profit shares on totalizator devices : de en
  • US1976171A - Shingle : en
  • CA345220A - Pipe wrench : en fr
  • FR771683A - Improvements to vehicles and more particularly to refrigerated vehicles : en fr
  • GB417941A - Building construction units and jointing means therefor : en
  • FR44057E - Suspension device with variable elasticity : en fr
  • FR771549A - Dimmable switch : en fr
  • DE603597C - Particularly as a pulse generator for remote display of the phase shift of induction counters : de en
  • FR771487A - Airless injection diesel engine : en fr
  • US1975986A - Covering for surfaces exposed to the weather : en
  • US1976214A - Device for electrical purification of gases : en
  • US1976547A - Filter for liquid and gas substances : en
  • FR771631A - Drill bit : en fr
  • USD93566S - Design for a game apparatus : en
  • FR771650A - Process for obtaining ethylene oxide by direct oxidation of ethylene : en fr
  • GB418116A - Improvements in or relating to automobile control devices : en
  • US1976283A - Method of treating solutions of phosphate rock in nitric acid : en
  • USRE19340E - Design fob a mail box : en
  • USD93545S - Design fob a shoe : en
  • DE603849C - Playback device : de en
  • USD93544S - Design fob a shoe : en
  • US1976137A - Hydraulically actuated slide for machine tools : en
  • DE603798C - Process for the detoxification of exhaust gases from internal combustion engines : de en
  • DE602853C - High-voltage transformer with high-voltage coils arranged at an angle to one another : de en
  • DE603917C - Device for stripping off the excess mass that accumulates on the ready-made template when turning off bowls, plates or similar dishes : de en
  • GB417609A - Portable staging : en
  • AT138891B - Nebulizers, in particular for treating body cavities. : de en
  • AT138974B - Machine for the production of strips of wood to be processed into fuse strips made of wood, cardboard or the like. : de en
  • US1975883A - Method of manufacturing linoleum : en
  • CA345227A - Porous rubber manufacture : en fr
  • US1976100A - Two-piece top operating table : en
  • US1976444A - File safe : en
  • US1976676A - Conveyer for use in mines or otherwise : en
  • US1975826A - Cam shaft drive for radial engines : en
  • US1976321A - Duplex envelope : en
  • US1976252A - Holder for lip sticks : en
  • USD93590S - Design for a shoe : en
  • US1975995A - Sole fitting machine : en
  • US1976375A - Beryllium-aluminum alloy and method of heat treating the same : en
  • US1976455A - Semi-flexible handle for polo mallets : en
  • DK49362C - Procedure for Making Yeast. : da en
  • FR44060E - Devices allowing rapid control of any device placed at a variable distance : en fr
  • FR771501A - Advanced electric capacitor : en fr
  • US1976107A - Milling machine : en
  • DE603958C - Current-dependent circuit breaker with an additional heating device : de en
  • DE604072C - Forwarding device for cord amplifiers : de en
  • FR771678A - : fr
  • US1976215A - Casting of ingots : en
  • USD93574S - Design fob a table : en
  • FR771545A - Removable, extendable and orientable electric light device for typewriters, accounting machines and others : en fr
  • US1975904A - Spindle mechanism for gas engine valve reseaters : en
  • US1975968A - Cast brake drum construction : en
  • US1976587A - Stall indicator for airplanes : en
  • US1975864A - Fish stringer : en
  • US1976008A - Insulating device : en
  • US1976138A - Back lash compensator : en
  • US1976706A - Beacon and air current indicator : en
  • FR771595A - Advanced tubular system for heat exchange : en fr
  • DE598291C - Spindle toys : de en
  • DE603813C - Electric train protection device : de en
  • US1976249A - Card filing device : en
  • DE603820C - Block-shaped contact fingers, especially of a curved shape : de en
  • GB417819A - Improvements in or relating to air compressors : en
  • US1976604A - Garter fastener : en
  • FR771660A - Advanced mold for vibrated concrete pipes : en fr
  • USD93575S - Design for a table : en
  • US1975917A - Conveyer : en
  • US1976105A - Milling machine : en
  • US1976388A - Apparatus for producing oxygen from liquid air : en
  • US1975869A - Safety supporting means for brake beams : en
  • US1976070A - Hone : en
  • US1976241A - Crank arm : en
  • US1976648A - Remote control system : en
  • DE603760C - Process for the preparation of condensation products of azo dyes : de en
  • DE603997C - Lock with device against removal of the key before the bolt lock is complete : de en
  • GB417806A - Improvements in or relating to power transmission mechanism and variable speed gearing : en
  • FR771616A - Electromechanical feeding device for automatic devices inserting sheets into graphic machines : en fr
  • DE603856C - Case for cigarettes : de en
  • US1976282A - Acoustic wall board : en
  • FR771427A - Device for twin wheels of heavy goods vehicles : en fr
  • AU1367633A - Improvements in rail anchors : en
  • GB417565A - Improvements in and relating to automatic seam-welding machines : en
  • US1976385A - Electric discharge tube : en
  • FR771608A - Fun and informative game : en fr
  • DE604049C - Method and device for loosening dust-like goods in containers of all kinds : de en
  • DK49377C - Electron tube coupling with adjustable gain and attenuation reduction. : da en
  • FR771557A - Chain shifting gear change device for cycles : en fr
  • FR771459A - Body-shaped vehicle bodies with least air resistance, particularly for motor vehicles : en fr
  • FR771606A - Device for automatically controlling the brakes of a towed vehicle when it is separated from its towing vehicle : en fr
  • FR771624A - Rail manufacturing process : en fr
  • GB417815A - Improvements in or relating to signal devices for pedestrians : en
  • FI16129A - Kontinuerligt blekningsförfarande jämte därför avsedd apparat : en fi
  • AT139012B - Cam control for valves, in particular for the valves of internal combustion engines. : de en
  • FR771669A - Improvements to measuring and control devices with light indication : en fr
  • US1976625A - Electromagnetic gas regulating and igniting attachment : en
  • US1975905A - Skate : en
  • US1976591A - Method of utilizing natural hydrocarbon gases : en
  • US1976702A - Engine mounting : en
  • US1976359A - Light filtering overcoating : en
  • US1976412A - Treatment of poultry : en
  • US1975967A - Collapsible tube : en
  • US1976310A - Rheostat : en
  • US1976467A - Fire extinguisher : en
  • US1976685A - Lace curtain : en
  • GB417739A - Improvements in ventilating buildings or vehicles : en
  • CA345202A - Mercury switch : en fr
  • US1976136A - Milling machine : en
  • US1976481A - Wave analysis : en
  • US1976206A - Crate carrier : en
  • DE603744C - Tabulating machine with group control device : de en
  • FR44074E - Sports mechanical horse : en fr
  • GB417768A - Improvements in taper roller bearings : en
  • AU1693634A - Organic cyanogen compounds and their application : en
  • DE603895C - Anti-cathode for x-ray tubes : de en
  • CA345214A - Safety glass : en fr
  • US1976663A - Synchronized spring clock movement : en
  • AT138931B - Car body with side walls composed of several fields. : de en
  • US1975870A - Indirectly heated cathode : en
  • US1976006A - High voltage switch : en
  • US1976599A - Printing device : en
  • DE603860C - Telex system : de en
  • DE603866C - Filter box for protection against gases like the Leclercq box with several compartments : de en
  • DE603869C - Pilgrim roller caliber : de en
  • AT138882B - Electric discharge lamp. : de en
  • AT138965B - Oil meter. : de en
  • US1976245A - Loose leaf binder : en
  • US1975925A - Coupling : en
  • USD93533S - Design fob a fly swatter : en
  • DE603874C - Measuring device for fabric webs : de en
  • FI16112A - Restrictions on the application of the common rules of the common market : en fi
  • AT139017B - Control for a power transmission with a latent power source. : de en
  • AT139013B - Compressor for refrigeration systems. : de en
  • DE603964C - Suspension device for electrical lights on road surges : de en
  • DE603888C - Safety device for bare power lines : de en
  • US1976415A - Pump : en
  • DE604046C - Device for remote indication of blown lamps by means of a drive indicator : de en
  • DE603714C - Test stand based on electrical power measurement for roadworthy vehicles : de en
  • AT138851B - Mixing drum. : de en
  • AT138914B - Mortise lock. : de en
  • CA345185A - Dehydrated flour mixture : en fr
  • DE595147C - Moving grate : de en
  • US1976041A - Liquid fuel burner : en
  • US1976017A - Locking thread mechanism : en
  • AT138927B - Crash bar animal trap. : de en
  • DE603956C - Putty-free clapper attachment for suspension isolators by means of a spring ring : de en
  • DE594180C - Level : de en
  • DE604084C - Device for achieving an even draft in the chimney : de en
  • AU1697534A - Improved method of and apparatus for wrapping cylindrical articles : en
  • CA345216A - Paper filler : en fr
  • AT138966B - Arrangement for reducing or eliminating the influence of interference in circuit arrangements with electron tubes. : de en
  • CA345204A - Sputum cup : en fr
  • DE603812C - Rail fastening on cross sleepers using spacer plates with profile strips to slide on clamping claws : de en
  • FR771592A - Sheet metal system for aerodynamic bodywork : en fr
  • GB417606A - Improved construction of tooth brush : en
  • US1976691A - Conveying and flattening device for small bags filled with tea or the like : en
  • US1976508A - Nonrefillable container : en
  • US1975775A - Pen and pencil clip : en
  • US1976330A - Ring mounting : en
  • US1975898A - Electrical control system : en
  • US1976142A - Automatic corn popping machine : en
  • DE603841C - Device for quick testing of translucent preparations : de en
  • DK49369C - Reflector device for Incandescent lamps. : da en
  • GB417575A - Improvements in and relating to reamers : en
  • FI16106A - Förfaringssätt för framställning av etylalkohol : en fi
  • DE604021C - Rail bending device : de en
  • FR771575A - Firearms Improvements : en fr
  • GB417850A - Braun tube : en
  • US1976224A - Resinlike mass and method of making same : en
  • AT138958B - Device for parallel operation of mechanically independent step control devices. : de en
  • US1975928A - Method and means for making sound records : en
  • US1976298A - Temperature control : en
  • US1976035A - Grinding machine : en
  • CA345158A - Tracer : en fr
  • AT138896B - Leather or fabric powder compact. : de en
  • AT138936B - Process for producing alcohol, especially in agricultural distilleries and suitable diastase preparations for this purpose. : de en
  • US1975953A - Gate : en
  • US1976516A - Locomotive gathering mechanism : en
  • CA345151A - Hot water heating system : en fr
  • AT138923B - Process for making a glue soap product. : de en
  • CA345115A - Collapsible tube closure : en fr
  • CA345159A - Pipe welding apparatus : en fr
  • CA345165A - Water tube boiler and superheater : en fr
  • CA345140A - Interlocking valves : en fr
  • US1976431A - Air conditioning unit : en
  • AT138996B - Periodic absorption chiller. : de en
  • US1975800A - Manufacture of pressure molded refractory articles : en
  • US1975994A - Voting machine : en
  • US1976274A - Hasp lock : en
  • GB417826A - Improvements in sheet feeding means for receptacle body forming apparatus : en
  • USPP104P - kordes : en
  • US1976429A - Automotive throttle and choke control : en
  • US1976660A - Code calling system : en
  • US1976119A - Grinding machine : en
  • US1976260A - Ignition circuit : en
  • GB417521A - Improvements relating to garage buildings : en
  • GB418290A - A process of manufacturing artificial masses : en
  • US1976032A - Ventilating device : en
  • US1976075A - Roller track : en
  • US1976176A - Electromagnetic holder structure : en
  • US1976221A - Wood preservative : en
  • DE603637C - Gas generator : de en
  • US1976483A - Compensated valve gear : en
  • AT138972B - Copy lathe for the production of shoe lasts u. like : de en
  • US1976568A - Means for transporting bananas and the like : en
  • US1976402A - Power operated mechanism : en
  • US1976179A - Adjusting device for x-ray tubes : en
  • USD93572S - Design for a family altar : en
  • US1976325A - Poppet valve gear : en
  • US1976479A - Bungee control : en
  • GB418287A - Process of disinfecting and cleaning fabrics : en
  • AT138871B - High frequency system. : de en
  • US1975985A - Method and apparatus for grinding valve seats : en
  • US1976584A - Electrical instrument : en
  • AT139045B - Arrangement for the electromagnetic recording of characters and symbols. : de en
  • US1975919A - Culinary device : en
  • US1976082A - Amusement machine : en
  • US1976253A - Portable caulking gun : en
  • AT138999B - Light metal pistons, in particular for internal combustion engines. : de en
  • US1975776A - Air cooled internal combustion engine : en
  • USD93539S - Design fob a drape stand : en
  • AU1456833A - Improvements relating to hotwater systems : en
  • AU1708934A - Improvements relating to packing sheets for fragile articles : en
  • CA345221A - Paper machine suction chest : en fr
  • US1976111A - Machine tool : en
  • US1976225A - Refining white metal scrap : en
  • US1976356A - Distillation of tar : en
  • AT139014B - Heat-insulating food showcase with cooling device. : de en
  • AT138991B - Store window. : de en
  • US1976022A - Remotely controlled deluge valve : en
  • FR771560A - Expansion volumes for transformers or electrical devices immersed in insulating liquids contained in sealed tanks : en fr
  • US1976184A - Cultivating apparatus : en
  • US1976538A - Combination casket and receiver therefor : en
  • US1975818A - Coating for pistons : en
  • CA345181A - Centrifugal separator bowl : en fr
  • US1975989A - Engine : en
  • US1976707A - Amplifying stethoscope : en
  • US1976313A - Thermohydraulic heat regulator : en
  • US1976219A - Cooking utensil : en
  • DE603792C - Direction-finding device, especially for mobile receiving points : de en
  • AU1686334A - Improvements in or relating to couplings for tubes and fittings : en
  • DE603632C - Electric hand lamp composed of several housing parts : de en
  • FR771695A - Warning device for controlling the volume of sounds transformed into modulated vibrating currents : en fr
  • IE13460L - Television : en
  • DE603983C - Single thread sewing machine with an eye needle penetrating the fabric from below : de en
  • GB417840A - Improvements in or relating to arc welding apparatus : en
  • DE603755C - Switchboard : de en
  • DE603926C - Switch with electrically conductive switching fluid : de en
  • DE603605C - Arrangement for converting alternating current of a given frequency into such a given frequency of another by means of controlled discharge paths, in particular electron tubes controlled by grids with a glow cathode, without a direct current intermediate circuit : de en
  • DE603785C - Schuettelrutschen connection with shots fixed against each other in their height position by groove guides : de en
  • AT138907B - Liquid level indicator. : de en
  • US1976597A - Tractor propelled implement : en
  • US1975947A - Machine tool : en
  • DE604090C - Flap valve for cesspools : de en
  • CA345177A - Black liquor processing : en fr
  • DK49352C - Double flip. : da en
  • US1976247A - Wire drawing machine : en
  • US1976407A - Vernier for meter recording mechanism : en
  • DE603636C - Process for heat regulation in reaction zones, especially for the heat treatment of hydrocarbon oils : de en
  • DE603911C - Combined hem and cap foot for sewing machines : de en
  • US1975973A - Ice dispensing apparatus : en
  • DE603832C - AC generator for non-sinusoidal voltage curve : de en
  • US1975799A - Type-setting machine : en
  • US1975845A - Valve for compressors : en
  • US1975879A - Lighting unit : en
  • US1976200A - Deep-well turbine pump : en
  • US1976704A - Gas purification : en
  • US1976156A - Paper cutting machine : en
  • US1976348A - Method and apparatus for the manufacture of rubber thread : en
  • AT138971B - Stocking made in one operation on the flat weft knitting machine and process for its production. : de en
  • US1976198A - Loose leaf binder : en
  • DE603703C - Touch-proof festoon socket with switching device activated by the lamp when inserting : de en
  • GB417867A - Improvements relating to the control of compound-wound direct current electric motors : en
  • GB418289A - An improved process for the production of composite fertilisers : en
  • DE603948C - Stamp device with ribbon : de en
  • FR771561A - self-locking expandable nut : en fr
  • GB417741A - Apparatus for optical sound recording and reproducing : en
  • US1976333A - Treatment of alloys : en
  • US1976612A - Automatic mutuel ticket protectos : en
  • US1976163A - Luminair : en
  • US1976695A - Fishing lure : en
  • AT138869B - Procedure for single-frequency broadcasting. : de en
  • AT138888B - Dark field condenser with a single reflective surface for microscopes. : de en
  • US1975796A - License tag protection device : en
  • US1976088A - Sausage mold : en
  • USD93584S - Design for a doll : en
  • US1975971A - Holder for loose-leaf binders and the like : en
  • US1976373A - Amusement device-coin controlled : en
  • US1976506A - Powder mixing and spraying device : en
  • US1976389A - Shoe : en
  • USD93576S - Design fob a table : en
  • DE604031C - Commutator with insulation layers provided between the individual commutator bars, the ends of which protrude from the end surface of the commutator facing the motor winding head : de en
  • US1976076A - Roller track : en
  • US1976563A - Portable bowling alley : en
  • AT138878B - Pelvic knife for internal pelvic measurement. : de en
  • CA345239A - Fly swatter : en fr
  • US1976147A - Ice cube tray : en
  • US1975987A - Process of refining hydrocarbon oil : en
  • US1976104A - Milling machinery : en
  • US1976397A - Electric glow discharge tube : en
  • CA345126A - Dirt moving device : en fr
  • US1976114A - Grinding machine : en
  • US1976452A - Carburetor : en
  • US1975961A - Clutch mechanism : en
  • US1976112A - Grinding machine : en
  • US1975889A - Heat exchanger and process of making the same : en
  • US1976019A - Art of making roller bearings : en
  • US1976524A - Pneumatic tool : en
  • CA345162A - Thermionic relay circuit : en fr
  • US1976432A - Fluid power transmission : en
  • US1976600A - Card punching machine : en
  • AT139020B - Crank mechanism for two opposing pistons rotating in the same direction. : de en
  • US1976130A - Grinding machine : en
  • US1976211A - Method of making containers and packaging goods : en
  • CA345127A - Freight car door : en fr
  • DE604022C - Warehouses, especially for rail vehicles : de en
  • DK49353C - Ring-shaped bucket and bowl holder for hanging on ladders. : da en
  • AT139016B - Water tap. : de en
  • CA345195A - Bolster : en fr
  • DE603794C - Electrical measuring device with filament and thermocouple : de en
  • DE603827C - Insulating housing for surge arrester : de en
  • DE604047C - Cutting device for straight cigarette machines : de en
  • FR771435A - Assembly devices for securing scaffolding tubes and the like : en fr
  • AT138964B - Method and device for the production of castings with a dense structure. : de en
  • GB417713A - Improvements in and relating to cathode ray-tubes : en
  • GB417734A - Method of making fuel gas from hydrocarbon oils and steam : en
  • GB417635A - Electrical cable and method of manufacture : en
  • AU1779934A - Improvements in audio frequency transmission circuits : en
  • US1975786A - Journal bearing : en
  • US1976632A - Apparatus for testing the brakes of vehicles : en
  • AT139037B - Installation on electrically powered vehicles, especially locomotives, with several motors working in parallel to prevent the motors from skidding. : de en
  • DK49366C - Procedure for Increasing the Capacity of Lead Accumulators with Sulfuric Acid Electrolyte. : da en
  • US1976153A - Blank or unit for making dental plate : en
  • US1976439A - Water softening apparatus : en
  • AT138920B - Process for the production of refractory masses. : de en
  • DE603757C - Electric glass cartridge fuse : de en
  • US1975834A - Vacuum tube circuit : en
  • AT139008B - Cooling system on railcars or trams for forward and reverse travel. : de en
  • AT139044B - Pressurized gas nozzle switch. : de en
  • AU1502933A - An improved mounting forthe steering road wheel or wheels of motor vehicles : en
  • US1976324A - Golf club : en
  • US1976618A - Duplicating machine : en
  • USD93554S - Design for a medallion ob similar : en
  • AT138897B - Current lead-in wire for vessels made of borosilicate glass, in particular for electric fluorescent tubes with metal vapor filling, which consists of a nickel-tungsten alloy, optionally with the addition of cobalt. : de en
  • AT138978B - Double-sided, multi-level twisting machine. : de en
  • AU1779834A - Improvements in radio receiving systems : en
  • CA345209A - Guy guard : en fr
  • US1976094A - Plant support : en
  • US1976277A - Torque indicator : en
  • US1976340A - Plant spraying device : en
  • AT138883B - Electric discharge tube. : de en
  • US1975914A - Sewing machine : en
  • US1976421A - Display stand : en
  • FR771502A - Refrigerator appliance : en fr
  • DE603845C - Gas turbine plant : de en
  • GB418281A - Improvements in and relating to humidity responsive devices : en
  • FR771517A - Pneumatic apron dryer : en fr
  • US1976173A - Barrel stave : en
  • CA345249A - Rotary piston pump : en fr
  • DE603862C - Telegraph apparatus in which the signals to be sent are set or stored by control devices in the order to be transmitted : de en
  • DE604003C - Device for double adjustability of the scraper knife in drum dryers : de en
  • FR771698A - Locking device : en fr
  • FI16114A - Heater for coffee machine : en fi
  • FR771448A - Hot water boiler for laundry work : en fr
  • AT138879B - Twine surgical glove. : de en
  • AU1751634A - Sparkplug insulator : en
  • FR771656A - Additional air heater for all homes : en fr
  • GB417593A - Improvements in devices or apparatus for purifying liquids : en
  • GB417912A - Improvements in and relating to rubber derivatives : en
  • GB417561A - Improvements in and relating to smokers' pipes : en
  • AT138976B - Process for producing printing effects on knitted fabrics. : de en
  • GB417529A - Improvements in or relating to projectiles : en
  • DE603995C - Braking device acting on the towing vehicle when the trailer hits the trailer : de en
  • US1976223A - Vehicle and vehicle door operating mechanism : en
  • FR771462A - Absorbent filter cartridge for pipes and other smoking articles : en fr
  • FR771453A - : fr
  • AT139027B - Electromotive drive device for voters or the like in telecommunications systems. : de en
  • AT138903B - Metal bag. : de en
  • GB417628A - Improvements in and relating to gas meters : en
  • GB417749A - Improvements in or relating to door and the like bolts : en
  • DE604089C - Turntable drive : de en
  • GB417556A - Method of production of alginic acid esters from seaweed : en
  • GB417507A - Improvements in and relating to drip-guards for brushes : en
  • GB417563A - Improvements in or relating to the production of goods of or containing rubber : en
  • FR771473A - Brake for small electric motors, especially applicable to sewing machine motors : en fr
  • AT138924B - Process for the production of a roller hair-like substance. : de en
  • CA345197A - Moth preventing composition : en fr
  • US1975909A - Engine mounting : en
  • US1976288A - Pocket stamp : en
  • US1976304A - Centrifugal governor for a motion picture camera : en
  • FR44079E - Improvements in electrical steels and manufacturing process for said steels : en fr
  • GB417807A - Improvements in or relating to electric switch setting mechanism for automatic control apparatus : en
  • US1975761A - Cracking apparatus : en
  • GB417727A - Improvements in devices for sharpening razor biades : en
  • GB417748A - Improvements in tennis and like rackets and in methods of manufacturing the same : en
  • GB417607A - Improvements in brakes for cycles, motor cycles and the like : en
  • US1976284A - Kitchen machine : en
  • FR771629A - Mechanical device with additional air currents for the projection of embankments : en fr
  • DE603873C - Small slingshot : de en
  • FR771423A - Preparation of lacquers : en fr
  • GB417737A - Safety razor for flexible razor blades : en
  • GB418061A - Improvements in the manufacture and production of weed-killing preparations : en
  • FR771529A - Process for isolating electrical conductors and insulated conductors, produced by this process : en fr
  • FR771614A - Auxiliary products of the textile industry : en fr
  • DE603546C - Rotary rocker drive with a motorized pushing device : de en
  • US1976297A - Preparation or reduction of wood or other fibrous material : en
  • US1976690A - Signal operating switch : en
  • US1976299A - Photographic developer : en
  • DE590304C - Mine support : de en
  • GB417503A - Improvements in or relating to grain scouring and polishing machines : en
  • DE595007C - Process for introducing or pressing liquids into loose masses, soil fillings, etc. : de en
  • DE603676C - X-ray apparatus : de en
  • DE604029C - Electric fuse : de en
  • FR771563A - Air-condenser for turbine or other steam engine : en fr
  • FR771628A - Apparatus for the drip or intermittent flow of liquids using the phenomenon of capillarity : en fr
  • FR771651A - : fr
  • US1976446A - Shoe stretcher : en
  • GB417577A - Improvements in means for clamping a tool to the tool spindle of machine-tools and for ejecting the tool : en
  • US1975881A - Railway wheel assembly : en
  • DE603947C - Stuffing box for steam turbines : de en
  • DE603745C - Printing punch card machine : de en
  • GB417788A - Improvements to steam cookers : en
  • DE603965C - Glass cutting machine : de en
  • FR771569A - Product for stripping dyed hair : en fr
  • FR771673A - Devices and measures to be taken against gas : en fr
  • US1975811A - Engine mounting : en
  • US1976697A - Gear lock : en
  • US1975965A - Pump : en
  • US1976239A - Glassware forming machine : en
  • AT138917B - Process and molds for relocating the weak zone from the middle of a block to one side and achieving better stackability and initial contact. : de en
  • FR771496A - Electro-thermal generator or accumulator : en fr
  • GB417747A - Improvements in or relating to electric discharge lamps : en
  • AT139011B - Device for starting mobile pumps designed for different suction heights. : de en
  • CA345173A - Fluid pressure brake : en fr
  • GB417630A - Improvements in temperature regulating systems : en
  • DE603993C - Detachable connection of flexible covering parts with fixed covering parts or other fixed components, especially for aircraft : de en
  • GB417530A - Improvements in or relating to litter baskets : en
  • AT138962B - Process for the production of footwear made of rubber, in particular bathing shoes and beach shoes. : de en
  • FR771416A - Aircraft thruster and its application, improvement to patent n deg. 673.193 of March 22, 1929 : en fr
  • FR771599A - New explosive compounds consisting of or containing nitrates of alkyltrimethylomethanes : en fr
  • US1976497A - Tea bag : en
  • US1975797A - Gas mask : en
  • IE13332L - Trawl nets. : en
  • US1976270A - Means for illuminating dials of instruments : en
  • US1976611A - Regulating system : en
  • DE603897C - Process, sinker and circular knitting machine for the production of clad knitwear : de en
  • DE603994C - Airplane wing with changeable curvature : de en
  • DE604056C - Device for operating an extension from a remote main unit : de en
  • AU1684234A - Improvements in or relating to cushion rubber heels for boots and shoes : en
  • DE603853C - Spring and intermediate spring for wire obstacles : de en
  • FR771508A - Bogie for rolling stock : en fr
  • US1976474A - Cigar box : en
  • DE603779C - Tanker, especially for transporting wine : de en
  • GB417939A - Improvements in folding and cabinet bedsteads : en
  • US1976489A - Electron discharge device : en
  • US1976511A - Paint applying device : en
  • CA345111A - Hair drying hood : en fr
  • DE603829C - Ventilation device for direct current converter arrangements : de en
  • DK49368C - Procedure for preserving green fodder. : da en
  • DK49370C - Machine for making briquettes of peat soil and the like. : da en
  • GB417614A - Improvements in and relating to lids, covers, stoppers and like closures : en
  • GB417652A - Improvements in the distillation of tar : en
  • GB417811A - Device adapted for purifying air induced by internal combustion engines and eliminating moisture therefrom : en
  • FR771516A - Improvements to automatic liquid rheostats for starting electric motors : en fr
  • FR771652A - Improvements to electric accumulator bins : en fr
  • GB417708A - Improvements in or relating to sliding roofs for vehicles : en
  • DE604013C - mandrel : de en
  • GB417627A - Improvements in or relating to thermionic valve circuit arrangements : en
  • FR771519A - kapok gin : en fr
  • FR771450A - Metal panel for formwork and its production process : en fr
  • FR771625A - Detector mounting : en fr
  • DE604080C - Series resistor for electric light bulbs : de en
  • AU1451133A - Improvements in or relating to radio and like modulated carrier wave transmitters : en
  • US1975804A - Container : en
  • DE603797C - Method for the intimate attachment of a body made of a low melting point metal to a body made of a higher melting point metal : de en
  • DE603822C - Circuit arrangement to achieve an approximately uniform response strength of resonance remote control relays for high-voltage networks superimposed with non-network control frequencies : de en
  • GB417820A - Screw cutting die-head : en
  • US1976018A - Coupler connection for railway draft riggings : en
  • US1976236A - Automatic generating plant : en
  • US1976501A - Electric plug : en
  • GB417796A - Improvements in or relating to printing telegraph exchange systems, particularly with automatic switching operation : en
  • FR771544A - Non-glare headlight system for automobiles and other applications : en fr
  • FR771406A - Developments to bearings particularly applicable to thrust bearings : en fr
  • GB417767A - Sealing plate for non-liquid type of device for preventing back-firing in gas mains and the like : en
  • FR771581A - Oscillating piston machine with surface seal : en fr
  • FI16110A - Mataranordning fört positiva kolet hos strålkastare, båglampor o.dyl. : en fi
  • GB417641A - Automatic analyser-detector for liquids : en
  • GB417738A - Method of producing copies from pictures on multi colour screen films : en
  • US1976623A - Jar clamping tool : en
  • US1976178A - Ignition coil and distributor assembly : en
  • FR44098E - Bearing lock for automobile brakes : en fr
  • FR771558A - Improved removable closure for vacuum tubes : en fr
  • FR44064E - Magnesium manufacturing process : en fr
  • AU1448433A - An improved specific for preventing and destroying blue mould on tobacco plants : en
  • GB417615A - Improvements in or relating to gas control means for gas heated geysers : en
  • GB417647A - Improvements in and relating to colour picture projection : en
  • FR771582A - Device for endlessly unwinding a film on a cinema device : en fr
  • DE591586C - Centering device for the conical membrane of electrodynamic loudspeakers : de en
  • GB417841A - Calculating device : en
  • GB417685A - Improvements in and relating to therapeutic agents and processes for the preparationof the same : en
  • FR44051E - Pump with automatically variable flow in inverse proportion to the pressure : en fr
  • GB417745A - De-ballasting machine for railways : en
  • GB417523A - Improvements relating to valve mechanism, particularly for use in internal combustion engines, steam engines, pumps or other machines in which the flow of fluids or liquids has to be controlled : en
  • GB417698A - Improvements in and connected with conduits, penstocks or the like : en
  • DE603774C - Split flange ring for wheel rims : de en
  • FR771637A - Further training in the manufacture of chairs or other wooden seats : en fr
  • GB417686A - Milling machines and like machine tools : en
  • GB417731A - Improvements in and relating to electric motor control systems : en
  • US1975770A - Control system for gas discharge tubes : en
  • FR771622A - Light metal alloy ski : en fr
  • DE603861C - Electric type printer with sending and receiving device : de en
  • DE603575C - Remote drive for recording micrometers on astronomical instruments : de en
  • FR771591A - Automotive vacuum alarm : en fr
  • US1976518A - Fuel feeding device : en
  • AT138885B - Molding, e.g. B. Dental post made of three metallic layers. : de en
  • AT138901B - Method and device for the production of wood flour for the production of artificial masses. : de en
  • AT138934B - Cash register and accounting machine with several rows of adding units. : de en
  • US1975779A - Gabment container of the wardrobe type : en
  • FR771541A - Weeder : en fr
  • GB417935A - Improvements in and relating to sound wave attenuating apparatus : en
  • FR771690A - Electric clock chime : en fr
  • FR771638A - : fr
  • GB417832A - Improvements in mechanism for feeding stock bars through rotary spindles : en
  • GB417674A - Improved detachable handle-frame for garden or like rollers, having one or more cylinders : en
  • US1975782A - Magazine for feeding material : en
  • US1975990A - Engine : en
  • US1976692A - Microphone : en
  • FR771571A - Improvements to devices for sharpening and ironing razor blades : en fr
  • FR771684A - Coupling process for electric discharge valves in rarefied vapors or gases and other devices with unidirectional conductivity : en fr
  • US1975910A - Engine mounting : en
  • US1976332A - Means for twisting and winding artificial filaments : en
  • GB417680A - Improvements in or relating to sanitary covers for beds, mattresses and the like : en
  • FR771572A - Process for correcting the physico-chemical balance in bicarbonate water heating installations : en fr
  • GB417799A - Improvements in or relating to chromium steels : en
  • GB417829A - Improved process of converting carbon monoxide with steam : en
  • CA10492S - Child's scooter : en
  • US1976115A - Orthodontia band bracket : en
  • US1976437A - Railway signaling system : en
  • US1976658A - Combined lock and protector adapted for use with percolator tops : en
  • US1976167A - Nitrogenous derivatives of the anthraquinone series and process of making same : en
  • AT138960B - Cash register with two or more adding units. : de en
  • FR44071E - Improvements in the construction of gas meter flywheels : en fr
  • FR771551A - Control system for a reversible panel pivoting around one of its axes of symmetry with respect to a frame or support movable angularly around one of its edges : en fr
  • FR771620A - Further training in coupling and fixing devices for scaffolding : en fr
  • DE603831C - Arrangement of blocking chains for harmonics that are switched on in power circuits, especially in DC circuits : de en
  • FR771640A - Actuating device for windshield wipers, for example for those of automobile windshields, and the like : en fr
  • US1976456A - Combination fuel valve and tank release : en
  • US1976573A - Aggregate : en
  • DE603936C - Spring drive kinematics : de en
  • US1975803A - Neutral complex compound of pentavalent antimony with aliphatic hydroxy carboxylic acids and process of making the same : en
  • US1976453A - Garment renovating apparatus : en
  • USD93558S - Design for a medallion ob sekolar : en
  • DE603740C - Process for the production of glow cathodes : de en
  • FI16128A - Förfaringssätt for framställning av syrafast infodring av cellulosakokare jämte sådan infodring : en fi
  • FR771472A - Improvements to anti-fraud papers : en fr
  • AT138866B - Stiffening on cuffs. : de en
  • FR771538A - Method and apparatus for the flow of gas-saturated liquids : en fr
  • US1976435A - Method of making an adhesive and the product thereof : en
  • US1976072A - Method and means for preventing chattering of slender work : en
  • US1976139A - Milling machine : en
  • DE603672C - Remote-controlled control resonance device in which the control axis of a device for the optional execution of work processes is brought into specific angular positions by resonance springs tuned to different frequencies : de en
  • FR771635A - Design, control and housing of propeller pumps, especially for heating systems : en fr
  • CA345211A - Movable floor for vehicles : en fr
  • DE603883C - Switching arrangement : de en
  • FR771486A - Process for preparing condensation products from phloroglucin : en fr
  • US1976281A - Affixable corner mount for pictures : en
  • CA345161A - Car truck : en fr
  • US1976493A - Lubricator : en
  • CA345222A - Pilot light housing : en fr
  • AT139050B - Device for balancing the control circuits of grid-controlled gas discharge vessels. : de en
  • DE603729C - Polygonal pulley for bucket chains of excavators, elevators or the like. : de en
  • US1976170A - Knee rest : en
  • US1975997A - Method of welding : en
  • US1976535A - Separating wax from oils : en
  • US1976582A - Method of and mechanism for feeding sheets in lithographic presses : en
  • AT138880B - Orthopedic footwear. : de en
  • AT138986B - Spreading device for tissue. : de en
  • US1975891A - Printing press : en
  • US1976640A - Method of preparing original engraved plates for printing on rotary presses : en
  • CA345150A - Insulating material : en fr
  • US1975812A - Protective circuit for high frequency oscillator tubes : en
  • US1975862A - Hinged fastening : en
  • US1976327A - Reclaiming rubber : en
  • US1976406A - Safety brake : en
  • CA345153A - Clutch plate : en fr
  • CA345184A - Liquid fuel gasifying method : en fr
  • US1976056A - Fire extinguisher : en
  • DE603739C - Coil for cage anchor made by casting or injection molding : de en
  • DE603778C - Starting device for engines of motorized bicycles : de en
  • US1976186A - Azo coloring materials : en
  • US1976319A - Closure : en
  • US1976594A - Interlocking control for cardiographs : en
  • US1976392A - Combined gas washing and sludge recovering apparatus : en
  • US1976394A - Rubber product and method of making same : en
  • US1976438A - Drying apparatus : en
  • FR44088E - Specific loading device for solid, pasty or semi-liquid materials in a mobile reservoir box : en fr
  • US1976630A - Method and apparatus for effecting combustion in internal combustion engines : en
  • US1976447A - Hydromechanically operated tube extrusion press : en
  • US1976650A - Dispensing device : en
  • DE603582C - Fuel injection device for internal combustion engines : de en
  • AT138959B - Security door contact for elevators. : de en
  • US1976545A - Lighting fixture for ultra-violet and incandescent lamps : en
  • AT138852B - Holding device for loosely stacked sheets. : de en
  • US1975767A - Road grader and ditcher : en
  • DK49358C - Device for Engines, in particular for Motorcycles and the like. : da en
  • US1976562A - Regenerative braking : en
  • AT138941B - Protective strips made of paper and a method and device for producing an edge protection for paper sheets, tissue and. like : de en
  • CA345246A - Gasoline tank cap : en fr
  • CA345149A - Fire alarm : en fr
  • US1976106A - Machine tool : en
  • US1976174A - Form measuring device : en
  • US1976367A - Electric car heater : en
  • US1976192A - Diesel engine construction : en
  • AT139026B - Large-scale mercury vapor rectifier with metal wall. : de en
  • AT139018B - Cross-flow turbine. : de en
  • CA345146A - Bottle case : en fr
  • CA345135A - Toilet seat guard pad and dispenser : en fr
  • DE603746C - Stamping device, especially for mail items : de en
  • DE603920C - Device for load distribution on several isodrome-controlled engines connected in parallel : de en
  • US1976079A - Method of and apparatus for circulating oil and refrigerating medium in refrigerating systems : en
  • US1976522A - Method of making grid electrodes : en
  • CA345250A - Composition board : en fr
  • FR771555A - Improvement to lamp bases for tipped bulbs : en fr
  • CA345237A - Cobalt titanate : en fr
  • US1976118A - Handle : en
  • USD93555S - Design for a jhedallion or similar : en
  • DE603799C - Device for automatically influencing a power source depending on the information provided by a display device : de en
  • DE603940C - Machine for making the heel seat for footwear : de en
  • DE604062C - Drive device for household appliances to be used in different rooms and other work devices with power requirements : de en
  • AT138865B - Diaper with changing belt. : de en
  • US1975829A - Plugging control for electric motors : en
  • US1975884A - Moldable resinoid : en
  • US1975936A - Method and apparatus for cutting and wrapping butter : en
  • US1976360A - Mask for striping wheels : en
  • US1976382A - Machine for cleaning seed cotton and for extracting the seed cotton from burrs and hulls : en
  • US1976659A - Governing mechanism for elastic fluid engines : en
  • DE603536C - Device for cutting food, in particular meat : de en
  • US1976300A - Means fob eeproducshg colox : en
  • US1976671A - Vanity case : en
  • US1976004A - Pipe construction : en
  • US1975924A - Loom : en
  • US1976463A - Electric valve converting system and exctiation apparatus therefor : en
  • US1975911A - Rotary blower impeller : en
  • US1976058A - Method of producing bearings : en
  • US1976085A - Dental restoration : en
  • USD93570S - Design for a coffee urn : en
  • DE603989C - Embroidery sewing machine with needle moving parallel to and across the seam : de en
  • US1976126A - Garment seat construction : en
  • US1976217A - Well screen : en
  • US1976378A - Aviation marker : en
  • US1975762A - Safety device for railroad working : en
  • US1975901A - Combined switch and circuit breaker : en
  • AT139036B - Telephone systems with main and sub-exchanges and call counting. : de en
  • DE604075C - Safety circuit for reverse contactor controls of electric motors to avoid a phase short circuit : de en
  • AT139047B - Self-collecting locking device for telephones. : de en
  • US1976116A - Builder's hardware : en
  • US1976486A - Matrix-setting and type-linecasting machine : en
  • USD93532S - Design for a picture case : en
  • US1976287A - Wrapping and labeling small articles : en
  • FR771446A - Gear train for various uses : en fr
  • FR771568A - Improvements to free-bead gear : en fr
  • FR771654A - Further training with stereoscopic binoculars and other similar instruments : en fr
  • GB417755A - Improvements in and relating to the production of absolute alcohol : en
  • GB417920A - Improvements in or relating to carburettors for internal combustion engines : en
  • US1976379A - Reproduction of sound pictures : en
  • US1976350A - Mold for lenses : en
  • CA10491S - Sled : en
  • US1975795A - Gear shifting mechanism : en
  • US1976043A - Seam ironing machine : en
  • US1976160A - Method and apparatus for moving trees : en
  • US1976555A - Welding bell cushion : en
  • FR44081E - Improvement in concentration devices for acid liquors : en fr
  • US1976544A - Method of treating mineral lubricating oils : en
  • USD93593S - Design foe an oil burner : en
  • US1975766A - Garage door control : en
  • DE604082C - Protective coating for nitrocellulose lacquers made from cellulose esters of organic acids : de en
  • FR771691A - Improvement in center caps for vehicles : en fr
  • DE603770C - Drum mill : de en
  • DE603791C - Circuit arrangement for counting conversations in telephone systems : de en
  • GB417546A - Fountain pen : en
  • GB417595A - Improvements in and relating to apparatus for the decantation of liquid and concentration of mud or sludge : en
  • GB417818A - Tire for rail vehicle : en
  • DE604053C - Teletypewriter, the transmitter device of which can be activated either by a keyboard or by a punched tape : de en
  • US1975937A - Method of and apparatus for regulating the viscosity of liquids : en
  • USD93587S - Design fob a child s garment : en
  • GB417838A - Improvements relating to the manufacture of simple and multiple fixed electric condensers : en
  • GB417535A - Improvements in weft feeler arrangements of looms for weaving : en
  • FI16138A - Suksiside : en fi
  • GB417538A - Improvements in or relating to ink fountains for printing presses : en
  • GB417724A - A new or improved border device for lawns : en
  • GB418201A - Improvements in or relating to the vulcanisation of rubber or like materials : en
  • DE603922C - Suspension of rail brake magnets : de en
  • US1976290A - Hair cutting implement : en
  • DE604018C - Process for the production of furfural : de en
  • FR44062E - Improvements made to distributors of serial numbers, prospectuses, formulas or other printed on paper or cardboard : en fr
  • GB417696A - An improved compound enforced asphalt : en
  • GB418063A - Improvements in or relating to electric transformers : en
  • DE603935C - Process for the production of hardboard from vegetable fibers : de en
  • DE603919C - Device for guiding the flexible air ducts connecting the air chambers of a floating lock trough with the air chambers of a counter-float : de en
  • DE604063C - Device for dynamic balancing of circulating bodies : de en
  • GB417730A - Improvements in and relating to combined reciprocating and turbine engine installations : en
  • GB417927A - Improvements relating to supporting arms for gramophone pick-ups or like devices : en
  • US1976267A - Winding drum for hand brakes : en
  • FR771470A - Device for automatically stopping braiding machines in the event of yarn breakage : en fr
  • DK49364C - Procedure for Continuous Production of Chlorine Sub-Acidification. : da en
  • US1976364A - Humidifier : en
  • US1976654A - Centrifugal casting machine : en
  • US1976430A - Article holder : en
  • US1976679A - Production of dispersions : en
  • GB417623A - Improvements in steam locomotives : en
  • GB417786A - Improvements in or relating to light fittings and accessories : en
  • USD93591S - Design for a vanity case : en
  • FI16139A - Skidbindsle : en fi
  • GB417710A - Improvements in and relating to hose supporters : en
  • US1976183A - Electric circuit breaker reclosing relay : en
  • US1976668A - Pharmaceutical preparation : en
  • FR771506A - Mechanical tipping device for vintage dumper : en fr
  • FR771692A - Improvements to oil burners more particularly intended for locomotives : en fr
  • GB417836A - Improvements in electrolytic condensers : en
  • US1976005A - Controlling apparatus for lighting effects : en
  • US1976610A - Holder for frozen confections : en
  • DE583774C - Device for demonstrating advertising on a universal light or color flap structure : de en
  • AT138930B - Pasta machine. : de en
  • FI16103A - Suit pocket : en fi
  • US1976491A - Metallic rope : en
  • FR44069E - Automatic puller or extractor operated by motor fluid : en fr
  • US1976086A - Heater for motor vehicles : en
  • GB417552A - Process for the production of stable mixtures containing vegetable lecithin with or without soya oil : en
  • CA345248A - Electric plug : en fr
  • US1976512A - Motor control system : en
  • DE603709C - Flat weft knitting machine : de en
  • DE603913C - Picture sound film recorder or playback device : de en
  • GB417863A - A method of influencing technically useful micro-organisms, and ferments : en
  • US1976515A - Attachment plug : en
  • FR771685A - New thermostatic control for electric switches : en fr
  • US1975958A - Motor vehicle ventilator : en
  • US1975993A - Voting machine : en
  • US1976101A - Evaporating unit for refrigeration : en
  • US1976588A - Method of balancing rotors : en
  • USD93548S - Design fob a signal station front : en
  • DE583321C - Process for the production of colloidal solutions of metals and metal compounds in glycerine : de en
  • GB417784A - Combined furnace back bridge and boiler water circulator : en
  • FI16137A - Anordning vid kardningsmaskiner : en fi
  • FR771430A - Powder gas evacuation device towards the front of the barrel, for automatic weapons with gas intake : en fr
  • FR771511A - Fuel gasifier device for combustion engines : en fr
  • FR771590A - Method of manufacturing diapers and resulting product : en fr
  • FR771649A - Metallic support : en fr
  • FR771451A - Improvements to winding devices : en fr
  • GB418060A - Improvements in or relating to electric cut-out or protective systems : en
  • DE603803C - Establishment of a loading point : de en
  • FR771468A - Diagram for a level crossing warning sign installation : en fr
  • GB417846A - Improvements in and relating to presses for moulding plastic substances : en
  • US1975977A - Spring suspension for vehicles : en
  • US1975771A - Process for the recovery of pulp from printed paper : en
  • DE603927C - Knife-like contact : de en
  • US1976038A - Tire cover and lock : en
  • US1976523A - Synchronizing system : en
  • US1976686A - Combined cutting and forming means : en
  • USD93568S - Design for a burial vault ob article : en
  • AT138933B - Self-collecting printing device for cloakroom cards. : de en
  • GB417864A - New or improved means for sanding roads for employment on vehicles : en
  • AT138952B - Holding corner for photographs or the like. : de en
  • CA345145A - Egg case filler : en fr
  • FR771434A - Wagon pusher : en fr
  • FR771717A - : fr
  • FR771479A - Machine for ironing automatic razor blades : en fr
  • FI16108A - Rail wheel : en fi
  • US1976053A - Irrigating and sprinkling system : en
  • US1976125A - Grinding machine : en
  • US1976561A - Tube base and socket : en
  • US1976161A - Circuit controller : en
  • US1976422A - Stand for ironing boards and the like : en
  • US1976482A - Slot and flap combination : en
  • GB417821A - Method of and tool for joining the ends of iron bands by means of interengaging slits made upon the band ends to be joined : en
  • GB418215A - Improvements relating to wire winding machines : en
  • FR44061E - Kitchen stove kettle : en fr
  • FR771670A - Shampoo : en fr
  • FR771492A - Device for transforming all seed drills into seed drills : en fr
  • GB418280A - Method of and apparatus for the continuous changing of fuel gas mixture in combustion motors : en
  • DE604044C - Process for the production of relief and gravure autotypes : de en
  • GB417578A - Grid-control arrangement for gas-discharge vessels, more particularly mercury-vapourcurrent rectifiers : en
  • AT138951B - Single chamber compressed air brake. : de en
  • US1976387A - Perforating and staining mechanism : en
  • US1976677A - Production of alkylene derivatives from alkylene oxides : en
  • AT138989B - Support device for movable scaffolding. : de en
  • US1975888A - Arrangement in hydraulic turbines : en
  • AT139031B - Circuit arrangement for telephone systems with main exchanges and sub-exchanges equipped for dialer operation. : de en
  • CA345163A - Thermally operated device : en fr
  • US1975896A - Connecter for battery terminals : en
  • US1976338A - Motion picture pull down mechanism : en
  • US1976577A - Wall construction : en
  • US1976693A - Container : en
  • DE603904C - Elevator lock for economy watches : de en
  • US1976084A - Lamp for body cavities : en
  • AU1697434A - Improvements in or relating to degreasing apparatus : en
  • AU1919334A - Improvements relating tothe manufacture of containers of paper woodpulp orthe like : en
  • AT139040B - Circuit arrangement for blocking or releasing any subscriber for connections of a certain value in telephone systems with time and zone counting. : de en
  • CA345122A - Chromium plating process : en fr
  • AT138992B - Vacuum cleaner. : de en
  • US1976634A - Circuit interrupter : en
  • FR771415A - Removable accessory for soda water siphons or others, containing aerated liquids : en fr
  • FR771530A - Decorative surface : en fr
  • FR771648A - Fuel saving device in automobile engines acting as a brake : en fr
  • DE603852C - meat grinder : de en
  • GB417759A - Improvements in and relating to rotary fluid meters : en
  • FI16113A - Refunds for the production of products of the same type as those used for the production of products : en fi
  • GB417714A - Braun tube : en
  • GB417716A - Improvements in and relating to greenhouses, forcing frames and like structures : en
  • US1976062A - Shower bath head : en
  • US1976317A - Manual control mechanism : en
  • US1976556A - Method of treating dry rectifiers : en
  • DE603921C - Steam power plant consisting of an upstream and main engine : de en
  • FR771585A - Method for increasing the capacity of an electrical source : en fr
  • FR771589A - Automatic watering device covering any polygonal surface and particularly square or round : en fr
  • FR771433A - Process of treating wood with a view to decorating or adorning the surface : en fr
  • FR771682A - Improvements to earthing conductors for lightning rods, transformers or others and resulting new industrial product : en fr
  • FR771700A - Winder : en fr
  • GB417771A - Device for trueing profiled grinding discs : en
  • DE603916C - Track system for toy trains : de en
  • DE603621C - Process for de-acidifying acetylcellulose precipitated in fiber form : de en
  • US1975899A - Machine for grinding the inner surfaces of cylinders or the like : en
  • GB417568A - Improvements in and relating to protecting sockets for sparking plugs : en
  • US1976643A - Lash cinch hook : en
  • DE603843C - Breakfast frame : de en
  • FI16140A - Tändsats för Allehanda knallhattar, tändmedel och småammunition : en fi
  • US1976629A - Gas treatment : en
  • CA345225A - Waxy polish : en fr
  • DK49354C - Device for Preventing Automobile Wheel Slipping in Smooth Driving. : da en
  • FR44094E - Coupling device : en fr
  • FR771553A - Speed limiter device for motor vehicles : en fr
  • DE603764C - Tomato slicer : de en
  • DE603743C - Device for displaying values of a function : de en
  • DK49359C - Method of operation of steam-heated pasteurizers for milk and similar liquids and apparatus for carrying out the method. : da en
  • DE603872C - Washing machine : de en
  • CA345171A - Frequency selection means : en fr
  • USD93571S - Design for a bottle : en
  • DE603788C - Removal of selenium and arsenic from sulfur : de en
  • GB417779A - Improvements in systems of rotating glass wedges for rangefinders : en
  • CA345206A - Ice cream serving preparation : en fr
  • FR771567A - Bra and its manufacturing process : en fr
  • GB417684A - Improvements in the lubrication of locks : en
  • DK49376C - Signal device for railway crossings and the like. : da en
  • FR771623A - Cable with vibration damping device : en fr
  • FR771564A - Improvements made to the engine system of gas or steam turbines : en fr
  • GB417555A - Apparatus for coking powdered coal and like hydrocarbonaceous fuel : en
  • FI16119A - Förfaringssätt for continuous framställning av kryssfaner : en fi
  • DE603344C - Winding device for rolled strips : de en
  • DE603839C - Image inverting prism system : de en
  • DE603857C - Process for the production of lightweight bricks : de en
  • DE604068C - corset : de en
  • GB417539A - Improvements in cigarettes : en
  • DE603771C - Fire extinguisher with a chemical container arranged inside the extinguishing fluid container : de en
  • FR771596A - Devices for lubricating locks, hinges, and the like : en fr
  • GB417681A - Improvements in or relating to machines for making artificial cream : en
  • CA345133A - Differential : en fr
  • CA345143A - Racquet stringing implement : en fr
  • US1976305A - Lubricated screw : en
  • US1976487A - Motor-control system : en
  • US1976626A - Molding process : en
  • US1975964A - Electrical swivel connecter : en
  • FR771424A - Guided slingshot : en fr
  • DE603762C - Process for the production of briquette pitch : de en
  • FR771674A - Improvements to electric gas or metal vapor discharge tubes and their equipment : en fr
  • GB417800A - Improvements in and in the manufacture of endless travelling lattices for conveying fibrous materials and such like : en
  • FR771610A - On-time and prepayment switch more particularly applicable to t receiving stations. s. f. : en fr
  • GB417567A - Improvements relating to contacts for electrical switchgear : en
  • DE603833C - Shell holder for electrical lighting, the resilient retaining bracket with three supporting parts lying in one plane with it engages under the edge of the shell from the inside : de en
  • DE603867C - Process for the production of concrete masses with high electrical insulation resistance : de en
  • FR771452A - Process for recovering sulfur dioxide from gases containing it : en fr
  • GB417938A - Improvements relating to loose leaf binders and other books : en
  • FI16134A - Lock : en fi
  • FR44073E - Tamper-evident attachment and closure process, without gluing, for folding boxes and all wrapping systems : en fr
  • GB417774A - Improvements in the manufacture of raceway members for roller bearings : en
  • DE603804C - Centrifugal drive : de en
  • US1976012A - Index device : en
  • USD93560S - Design for a hand mirror : en
  • DE603939C - Device for alternating loading of two vessel treatment machines : de en
  • FR771642A - Method and apparatus for reducing oxides of refractory metals : en fr
  • FI16117A - Anordning for the supply of airbags to the local area : en fi
  • FR771490A - Improvements to heating devices : en fr
  • AT138873B - Device for suppressing interference frequencies in amplifiers with indirectly heated cathodes. : de en
  • US1976598A - Induction motor : en
  • GB417592A - Woodworkers adjustable measuring and marking-off dovetail gauge : en
  • GB418283A - An improved automatic double acting reciprocating pumping apparatus operated by liquid or air under pressure : en
  • US1976269A - Keyhole illuminating device : en
  • US1976503A - Impulse testing device : en
  • US1975906A - Cloth board : en
  • US1976575A - Refractory regenerator brick : en
  • US1976209A - Container : en
  • US1976609A - Electrical apparatus : en
  • DE603877C - A carbonic acid ice container placed over the frozen or chilled goods : de en
  • DE603974C - Fine adjustment for elevators : de en
  • FR771429A - Oil-free power switch : en fr
  • FR771488A - Electric discharge tubes : en fr
  • AT138929B - Billiards. : de en
  • DE603821C - Electrical circuit breaker with at least one liquid contact : de en
  • DK49350C - Device for water heaters for heating domestic water or similar. : da en
  • AT138856B - Method and device for the mutual connection of hollow bodies such as pipes, sleeves and. Like. From hardening masses. : de en
  • DE603801C - Process for the production of asphalt emulsions : de en
  • DE603879C - Slot sealing : de en
  • US1975894A - Folding spectacles : en
  • US1976661A - Spectacle front : en
  • US1975874A - Interlocking flashing : en
  • AT138950B - Divan double bed. : de en
  • DE604091C - Potato harvester with sieve drum rotating behind the share : de en
  • AT138874B - Process for the manufacture of phosphatide products. : de en
  • AT139042B - Automatic starting and braking circuits for electric DC drives, in particular electric elevators. : de en
  • US1976396A - Pavement expansion clip : en
  • US1976471A - Automatic automobile brake lock : en
  • US1975783A - Oil paint resistant to yellowing : en
  • US1976244A - Traction splint : en
  • AT138928B - Motorized tree and branch saw. : de en
  • CA345207A - Temporary wrapper applying method : en fr
  • US1975852A - Toothbrush : en
  • US1975903A - Spraying device : en
  • US1976328A - Apparatus for making elastic yarns : en
  • US1976384A - Multivibrator control : en
  • US1976462A - Boiler for power plants : en
  • US1976565A - Sander drum : en
  • USD93573S - Design fob a chest fob silvebwabe ob : en
  • FR771565A - Automatic fluid expansion compensator : en fr
  • FR771607A - Wire tie for connecting electrical conductors to connection heads and, in particular, spark plug heads of internal combustion engines : en fr
  • GB417619A - Improvements in and relating to alternating current dynamo electric machines : en
  • GB417762A - Improvements in machines for continually twisting profile wires : en
  • AT138884B - Electron tube. : de en
  • AT139001B - Roller sleeve. : de en
  • DE603880C - Electric control : de en
  • GB417687A - Improvements in and relating to motor road vehicles : en
  • GB417862A - Indigo derivatives : en
  • FR771436A - Coin selector with a stop device for counterfeit coins or the like and a hinged side wall : en fr
  • FR771668A - Further training in jointer and similar machines : en fr
  • US1976657A - Electric light fixture : en
  • FR771426A - Apparatus for advertising presentation and cartographic indication of the path of a vehicle : en fr
  • AT138862B - Fire alarm system. : de en
  • US1976315A - Planter mechanism : en
  • CA345232A - Draft rigging : en fr
  • DE603836C - Process for the preparation of stilbene azo dyes : de en
  • GB417651A - An improved screw-threaded metal wall plug : en
  • US1976113A - Machine tool : en
  • DE603807C - Process for the extraction of pure sulfur : de en
  • US1976025A - Sheet metal pulley : en
  • AT138977B - Plastering compound for walls and. like : de en
  • AT138980B - Device for fine sorting of wood chips. : de en
  • AT139003B - Thermally insulated container for perishable goods. : de en
  • US1976060A - Lubricating device : en
  • US1976488A - Vacuum electrical device : en
  • US1976311A - Method of treating cut film : en
  • US1976007A - Water cooler : en
  • DE603817C - Mercury toggle switch tubes : de en
  • FR771588A - Stamped sheet metal chistera : en fr
  • GB417816A - Method of making holes in the ground, using a flushing liquid : en
  • US1976399A - Gas torch : en
  • US1976519A - Fuel pump : en
  • AT138853B - Process for the production of hollow bodies, such as pipes, sleeves and. Like. From mixtures of fibers and hydraulic binders. : de en
  • DK49360C - Procedure for the production of printing forms (clichés) for high- and gravure printing. : da en
  • GB417837A - Improvements in or relating to liquid cooled thermionic valves and like arrangements : en
  • AT138905B - Sealing device for hinged windows. : de en
  • US1975900A - Knockdown receptacle : en
  • AT139004B - Working method for increasing the speed of high-speed internal combustion engines with fuel injection, in particular high-speed diesel engines and machines working according to them. : de en
  • US1975930A - Tire groover : en
  • US1976667A - Eraser attachment for pencils and the like : en
  • CA345136A - Baby's sleeping garment : en fr
  • CA345200A - Rod weeder bearing : en fr
  • DE603732C - Process for the production of cellulose acetate : de en
  • US1976649A - Battery terminal post clamp : en
  • US1976529A - Earth anchor : en
  • US1975839A - Process for breaking petroleum emulsions : en
  • US1975944A - Fountain pen : en
  • US1976190A - Wall panel and art of producing the same : en
  • FR771633A - Balancing device for motor vehicles : en fr
  • GB417844A - Improvements in or relating to the suspension of railway cars and other rail vehicles : en
  • DE603910C - Process for the galvanic production of metal deposits : de en
  • AT138855B - Method of embroidering in multiple colors with a single needle. : de en
  • AT138940B - Connecting links for the support leaf springs of vehicles. : de en
  • US1976664A - Building block : en
  • US1976622A - Combination carbide and water container : en
  • DE603909C - Process for the pretreatment of aluminum and its alloys for galvanizing purposes : de en
  • US1976635A - Liquid dispensing device : en
  • US1976419A - Brake : en
  • US1975759A - Lining anchor : en
  • US1976231A - Wringer : en
  • CA345193A - Boiler : en fr
  • US1975863A - Heater for motor vehicles : en
  • US1976292A - Process for separating intermixed divided materials : en
  • US1976458A - Hinged fastening : en
  • AT138864B - Welding sheet. : de en
  • US1975998A - Art of drying organic materials : en
  • FR771445A - Pocket comb forming slide rule : en fr
  • DE603723C - Catching device for gymnastics equipment, especially salon bars, high bars u. like : de en
  • DE604057C - Control of electrical machines or apparatus : de en
  • US1975798A - Process for recovering potassium salts from minerals : en
  • US1975988A - Shoe and the manufacture thereof : en
  • US1976533A - Clamping device for ropes, cables, or the like : en
  • USD93537S - Design for an integral flush tank : en
  • US1975868A - Method of cooling indirectly : en
  • DK49375C - Procedure and device for freezing ice cream and the like. : da en
  • USD93588S - Design for a shoe : en
  • DE603805C - Cooling brine or heat carrier from a solution of one or more metal salts : de en
  • FR771447A - Improvements in apparatus or machines for the preparation of hot or cold infusions or liquid extracts of substances of any kind : en fr
  • US1975763A - Shoe last : en
  • US1976666A - Loose leaf shift binder : en
  • US1976638A - Retaining device : en
  • FR771507A - Folding stretcher : en fr
  • FR771570A - Storm lantern : en fr
  • FI16124A - Hand milk : en fi
  • US1975828A - Pneumatic treadle control mechanism : en
  • US1976047A - Combined tail light, stop, and direction signal for automobiles : en
  • GB417661A - Improvements in or relating to the manufacture of moulded articles from synthetic resin and like thermoplastic materials : en
  • DE603618C - Device for pressing transverse furrows into stand-up collars : de en
  • DE603859C - Method and device for the production of flake ice : de en
  • FR771636A - Device for transporting bags and other similar objects : en fr
  • GB417814A - Apparatus for moistening surfaces : en
  • DE603942C - Steel wire obstacle in the form of an extendable, cylindrical wire screw : de en
  • US1975820A - Lamp bulb mounting and connecter : en
  • US1975926A - Method of making imitation mosaic : en
  • US1976534A - Electric switch : en
  • FR771632A - Improvements to lids, closures, stopper systems and other similar closures : en fr
  • US1975844A - Incandescent filament electric lamp : en
  • US1976627A - Mold for the manufacture of concrete blocks : en
  • US1975960A - Internal combustion engine mounting : en
  • US1976318A - D arcy a : en
  • US1976250A - Electric welding machine : en
  • US1976454A - Electric rectifier : en
  • DE604081C - Process for the preparation of dispersions from condensation products of polyhydric alcohols and polybasic acids : de en
  • DK49356C - Washing machine. : da en
  • US1975975A - Drum construction : en
  • DE603925C - Circuit arrangement for counting in telephone systems with double service dialers : de en
  • US1976003A - Container and method of making the same : en
  • USD93582S - Design fob a curtain or the like : en
  • AT138988B - Wringer for laundry. : de en
  • GB417733A - Improvements in garment pressing machines : en
  • GB418273A - Electric control or indicating systems : en
  • FR771644A - Dish drainer enhancements : en fr
  • GB417531A - Improvements in and relating to electro-magnetic "pick-up" devices : en
  • GB417574A - Improvements in tobacco pipes, cigar and cigarette holders : en
  • GB417695A - Improvements in folding beds : en
  • DE603639C - Flat weft knitting machine with auxiliary press : de en
  • DE603855C - Mechanical, military drill movements performing game figure : de en
  • US1976054A - Humidifying device : en
  • US1976514A - Resistor : en
  • CA345160A - Pressing machine : en fr
  • FR771520A - Concrete or mortar, and process for its manufacture : en fr
  • DE603878C - Glow furnace : de en
  • FR771630A - System of paving of roads and the like of reinforced concrete by metal frames : en fr
  • GB417626A - Rectifying column with continuous progressive cooling of the vapor : en
  • US1976369A - Apparatus for counting the axles of a train : en
  • US1976261A - Certificate holder : en
  • US1976395A - Lathing : en
  • US1976469A - Process and appartus for converting hydrocarbon gases : en
  • US1975871A - X-ray device : en
  • FI16123A - Spring harrow : en fi
  • GB417677A - Improvements in spools or the like : en
  • CA345148A - Sinew extractor : en fr
  • US1975784A - Fastening supplying apparatus : en
  • FR771574A - Device for automatically controlling automobile gearboxes : en fr
  • GB417544A - Improvements in push button control for lifts and the like : en
  • US1976552A - Portable spot-welding device : en
  • US1975872A - Valve for fluid actuated tools : en
  • US1976485A - Journal bearing : en
  • US1976510A - Fuse plug : en
  • US1975878A - Closure cap for containers : en
  • US1976272A - Process and apparatus for spinning artificial silk on bobbins : en
  • US1976525A - Locomotive control system : en
  • US1975897A - Manufacture of cellulose mixed esters : en
  • US1976000A - Apparatus for refining hydrocarbons : en
  • US1976134A - Minnow trap : en
  • DE603773C - Aircraft wing : de en
  • US1975865A - Stopper device for drain outlets : en
  • US1976248A - Dispatcher : en
  • US1976580A - Current translating system : en
  • FR771437A - Automatic stop for roller shutter operating chains : en fr
  • FR771613A - Improvements to thermal engines : en fr
  • DE604045C - Gear for single or multi-motor propeller engines with a disengageable clutch, especially in aircraft : de en
  • USD93552S - Design fob a shoe : en
  • FR771543A - Method and devices for establishing tubular elements of artificial limbs : en fr
  • US1975792A - Paper dispensing device : en
  • DE603731C - Process for the production of highly active contact masses : de en
  • AT139029B - Cooling arrangement for metal vapor vessels, in particular rectifier vessels. : de en
  • USD93564S - Design for an advertising display : en
  • US1976014A - Container handling device : en
  • US1976460A - Nonoscillating high frequency amplifier : en
  • US1976551A - Arc welding system : en
  • US1976651A - Electric heater : en
  • US1976391A - Thermionic system : en
  • GB417579A - Improvements in machines for cleaning the matrices of type setting machines : en
  • US1976440A - Web control mechanism : en
  • FR771578A - DC electrical installation : en fr
  • FR771665A - Improvements to air intake valves in wind sound equipment : en fr
  • GB417797A - Improvements in, or relating to police call systems : en
  • FI16132A - Fartygskonstruktion : en fi
  • GB417702A - Improvements in or relating to the manufacture of strip metal and rims for vehicle wheels : en
  • DK49372C - Machine driven Harrow with rotating Brush cylinder. : da en
  • CA345228A - Stoker and firedoor : en fr
  • CA345137A - Miner's pan : en fr
  • US1976144A - Igniter for oil stoves : en
  • US1976639A - Dental pressure gauge : en
  • DE603719C - Rotary piston engine, in particular internal combustion engine rotary piston engine : de en
  • AT138910B - Device for unwinding all types of winding bodies formed from wires, threads or the like. : de en
  • US1976401A - Air conditioning and filtering device : en
  • AT138886B - Anti-slip, at the same time reinforcing agent for toothbrush handles. : de en
  • DE603957C - Electric remote control system : de en
  • US1975772A - Yieldable clutch plate : en
  • US1976188A - Arcuate truss : en
  • CA345119A - Digester : en fr
  • US1976196A - Automatic coffee percolator : en
  • US1976303A - Scraping-iron for road planing machines : en
  • DE603834C - Method and device for the determination of magnetic particles in non-magnetic substances by means of an external, essentially spatially limited magnetic field through which the substance to be examined is passed : de en
  • FR771583A - Skill game : en fr
  • US1976150A - Paper box opening machine : en
  • US1976172A - Band saw : en
  • US1976509A - Hair drier : en
  • US1976559A - Combined valve and switch mechanism : en
  • CA345144A - Removable bottle neck : en fr
  • CA345121A - Chromium plating process : en fr
  • CA345167A - Moulding composition : en fr
  • CA345189A - Dehydrated flour mixture : en fr
  • CA345178A - Engine : en fr
  • AT138987B - Reel for thread winding. : de en
  • AT139035B - Switch based on the expansion principle. : de en
  • DE603907C - Electrical regulation arrangement on current regulating battery ignition machines for motor vehicles : de en
  • GB417735A - Improvements in or relating to concrete mixing machines : en
  • US1976063A - Friction clutch : en
  • US1976201A - Textile material and the production thereof : en
  • DE603795C - Differential thermostat for monitoring the position of the anode crater rim of an arc lamp to the optical parts of a headlight, projection apparatus or the like. : de en
  • US1976701A - Engine mounting : en
  • USD93542S - Design for a shoe : en
  • US1976347A - Fire alarm system : en
  • AT138893B - Process for the production of wire-shaped grids for electric discharge tubes. : de en
  • DE603851C - U-shaped folded sealing tape for cans : de en
  • FR44053E - Device for quickly obtaining all automatic telephony connections : en fr
  • CA345223A - Oven lighter : en fr
  • GB417761A - Improvements in circular warp knitting machines : en
  • FR771577A - Front-wheel drive automobile chassis and semi-independent wheels : en fr
  • AT138918B - Process for the production of alcohol from starch, sugar or cellulose containing raw materials. : de en
  • US1976073A - X-ray apparatus : en
  • US1976374A - Recording of sound : en
  • AT138982B - Provision bag. : de en
  • FR771556A - Precision mechanism for adjusting syringes for injections : en fr
  • GB417783A - Improvements in and relating to signalling systems for controlling road traffic : en
  • US1976590A - Organic product obtained from molasses and molasses residues : en
  • US1976642A - Pump : en
  • DE603598C - Double copying lathe with rocker arm for the production of shoe lasts : de en
  • DE603915C - Game for catching loose bodies : de en
  • GB417933A - Improvements in and relating to machines for sheeting dough or the like : en
  • GB418284A - Method of precipitating zirconium and/or hafnium on a core consisting of a highly refractory material : en
  • US1976028A - Transparent reenforced waterproof sheet material : en
  • AT139015B - Securing the piston pin against axial displacement. : de en
  • FR771440A - Automatic volume control improvements for radio receivers : en fr
  • US1976428A - Self regulating heliostat : en
  • DE603800C - Device for stunning slaughter cattle : de en
  • FR771580A - Improvements to carburettors for all types of internal combustion engines : en fr
  • GB417604A - Floats for fishing lines : en
  • US1976258A - Radius rod cushioned ball connection : en
  • DE603918C - Procedure for operating vacuum dryers : de en
  • GB417812A - Improvements in current collecting devices for electric railway vehicles : en
  • AT138955B - Iron alloys used for the production of permanent magnets. : de en
  • FR771532A - Adjustment dial for t stations. s. f. : en fr
  • GB418275A - Portable automatic sowing apparatus for small grain for plants for fodder purposes : en
  • US1975814A - Lighting fixture : en
  • US1976557A - Furnace : en
  • FR771465A - Method for attenuating crosstalk on reception in transmission cables the conductors of which are used, particularly in quads, for the transmission of carrier frequency bands : en fr
  • GB417825A - Improvements in and connected with locks and latches : en
  • FR771672A - Improvements to rigid plunger thermostats : en fr
  • GB417692A - Improvements in and relating to electric welding : en
  • GB417763A - Improvements in or relating to priming compositions free from fulminate of mercury : en
  • DE603625C - Process for heating stacked thin metal sheets with poor thermal conductivity : de en
  • FR771403A - Self-closing trash can : en fr
  • GB417534A - Improvements relating to methods of and apparatus for drying and heating materials : en
  • GB418282A - Improvements in hydraulic transmissions, turbines and the like : en
  • US1976187A - Water-insoluble azo dyestuff : en
  • FR771618A - Wetting device for twisting machines and the like : en fr
  • AT139038B - Device for determining especially small changes in resistance. : de en
  • CA345114A - Sub-soil prospecting apparatus : en fr
  • FR771526A - Process more especially applicable to obtaining decaffeinated coffee : en fr
  • US1976641A - Paper winding machine : en
  • GB417705A - Improvements in or relating to advertising apparatus : en
  • FR771663A - Improvements to road paving spreaders-distributors : en fr
  • GB417921A - Improvements in or relating to means for controlling the voltage or current of mercury arc rectifiers or like discharge devices : en
  • CA345231A - Draft rigging : en fr
  • GB417924A - Improvements in or relating to devices for use in telephone systems for automatically transmitting and recording messages : en
  • CA345251A - Windshield wiper : en fr
  • GB417569A - Improved device for automatically recording variations in the weight of the cigarettes leaving cigarette making machines : en
  • GB417603A - Improvements in apparatus for recording sound upon films : en
  • GB418276A - Improvements in or relating to photographic roll films : en
  • FR771425A - New chromium dyes : en fr
  • DE604058C - AC relay for monitoring multi-phase systems : de en
  • GB417798A - Improvements in or relating to synthetic resins and compositions derived therefrom : en
  • DE603891C - Vibratory galvanometer : de en
  • FI16136A - Radergummi : en fi
  • US1976331A - Bread slicing machine : en
  • US1976370A - Eye member mounting for dolls : en
  • US1976631A - Stuff for garments : en
  • US1976683A - Winding mechanism and speed control therefor : en
  • USD93535S - Design for a cigarette case or : en
  • US1976099A - Cutter head : en
  • US1975893A - Toy telephone : en
  • FR771671A - Rinse aid to give a blue-white reflection to white, yellowed hair : en fr
  • AT138961B - Device for eliminating radio reception interference. : de en
  • FR44090E - Electrical machine or device incorporating magnetic circuits : en fr
  • USD93534S - Design fob a jig saw puzzle plaque : en
  • GB417703A - Improvements in type-bar actuating means for typewriters and like machines : en
  • US1976141A - Method of producing orthodontic band brackets : en
  • GB417770A - Improvements in road vehicles : en
  • US1976207A - Rotary machine : en
  • US1976505A - Vibration damping system for phonographs : en
  • US1976527A - Tire chain : en
  • US1976409A - Vehicle wheel suspension : en
  • US1975781A - Radioreceiver control : en
  • US1976349A - Method for embroidering in several colors with a single needle : en
  • GB417756A - Improvements in the manufacture of meat rolls : en
  • GB417922A - Improvements in or relating to structural units, and method of making the same : en
  • US1975823A - Refrigerator : en
  • CA345164A - Telephone system : en fr
  • US1976055A - Process for making ply-board : en
  • CA345142A - Necktie : en fr
  • CA345152A - Sealing device : en fr
  • US1976615A - Electric verifying machine : en
  • CA345118A - Cable clamp : en fr
  • CA345190A - Lifting jack : en fr
  • CA345199A - Light signal unit : en fr
  • US1975832A - Conduit : en
  • AT138949B - Discharge tubes, in particular for generating X-rays. : de en
  • US1976083A - Table : en
  • US1976605A - Tank for dyeing machines : en
  • US1975780A - Receptacle opener : en
  • AT139000B - Ice cell for making clear ice. : de en
  • AT138984B - Shutter. : de en
  • CA345236A - Titanium compound precipitation : en fr
  • DE604009C - Support of the chassis frame on two caterpillars : de en
  • FR771500A - Advanced sweeper : en fr
  • GB417664A - Improvements in or relating to air-line oilers : en
  • US1976128A - Pneumatic caser : en
  • US1976564A - Process for the treatment of silicates with acids in order to obtain their soluble salts : en
  • FR771505A - Winder twist for all types of yarns : en fr
  • FR771615A - Horizontal scraper conveyor, comprising one or more cables : en fr
  • DE603828C - Device for extending the straight part of the characteristic of self-excited DC machines : de en
  • DE603848C - Sewing machine with double-armed rocking lever to drive the hook carrier : de en
  • GB418279A - Apparatus for the repairing of fabrics and driving means therefor : en
  • US1976410A - Lumber drying apparatus for yard use : en
  • US1976624A - Resistance device : en
  • DE603816C - Circuit arrangement for the transition from a symmetrical electrical arrangement to an asymmetrical one, in particular in the case of high-frequency arrangements : de en
  • CA345233A - Draft rigging : en fr
  • DE603899C - Adjusting device for the grinding cone of wall and lap coffee grinders : de en
  • AT139022B - Device for releasing a moving part which is under the influence of a strong adjustment force. : de en
  • US1976662A - Brick siding and surface covered therewith : en
  • US1976243A - Distillation of tar : en
  • AU1534733A - Improvements relating tothe destruction of pests : en
  • DE603987C - Push needle feeder : de en
  • DK49371C - Tile stove top in the form of a pipe system. : da en
  • FI16105A - Collapsible ventilation and dusting stand to be attached to balconies : en fi
  • FR44078E - Extendable platform for Landes carts and others with adjustable trolleys : en fr
  • FR771573A - Improved process for the manufacture of glass containers : en fr
  • GB417827A - Improvements in and relating to grinding or abrading discs : en
  • AT138867B - Short socks. : de en
  • AT138854B - Device for the remote transmission of measured quantities on electrical lines. : de en
  • AT138889B - Travel vibratory massage machine. : de en
  • US1976162A - Rotary tube furnace : en
  • FI16142A - Movable crane for sawing lumber, etc. for that purpose : en fi
  • FR44076E - Protective coupling : en fr
  • AT138981B - Dobby. : de en
  • US1976323A - Golf club : en
  • US1976386A - Casting of ingots : en
  • US1975810A - Engine mounting : en
  • US1976089A - Lock : en
  • DE603808C - Process for the preparation of oxyaethylated (ª † -alkoxy-ª ‰ -oxypropyl) -aminobenzenes : de en
  • GB418216A - Improvements in universal rolling mills : en
  • US1975840A - Combustion power locomotive with direct and indirect transmission to the drive wheels : en
  • DE603894C - Process for maintaining the most favorable electron emission with electrodes made of mixtures of different substances : de en
  • US1976098A - Air pump : en
  • US1976473A - Composite die for shoe parts : en
  • US1976616A - Tray insert for cooking utensils : en
  • US1976628A - Curved tunnel construction and method of producing same : en
  • CA345230A - Draft rigging : en fr
  • US1976404A - Seasonal control of storage batteries : en
  • US1976233A - Grinding apparatus : en
  • CA345243A - Strainer : en fr
  • US1975890A - Salts of pyrocatechol borate and methods for preparing the same : en
  • US1975991A - Method of treating solid food products : en
  • CA345208A - Fibre product : en fr
  • FR771527A - Machine screws : en fr
  • GB417809A - Improvements in or relating to pneumatic tires : en
  • GB417694A - Light weight porous concrete : en
  • US1976131A - Flexible coupling for shafting : en
  • US1976441A - Cushion foot and arch support : en
  • US1976703A - Mechanical movement : en
  • US1976492A - Socket : en
  • CA345240A - Solid lubricating compound : en fr
  • FR771621A - Light box, and beam and nautical machine with application : en fr
  • GB417728A - Improvements in and relating to the manufacture of rubber tubing, sheathing and the like : en
  • DE604028C - Air cable protected against ice and snow : de en
  • US1976413A - Advertising display stand : en
  • DE603793C - Circuit arrangement for the automatic maintenance of a certain ratio between the frequencies of several oscillators : de en
  • AT139025B - Absorption machine with neutral auxiliary gas and with a heat exchange between two vessels. : de en
  • US1975984A - Driving coupling for a rotary tool : en
  • AT138912B - Safety razor with a longitudinally curved blade carrier. : de en
  • AT138919B - Method for producing a road surface. : de en
  • AT139019B - Membrane injection nozzle for internal combustion engines. : de en
  • US1975806A - Filing drawer : en
  • US1975972A - Insole : en
  • US1976069A - Rail anticreep : en
  • US1976204A - Process of making ice : en
  • US1976166A - Flashing : en
  • US1976090A - Variable speed gear : en
  • US1976478A - Grounding fitting : en
  • FR771548A - Photoelectric cells : en fr
  • AU1778834A - Improvements in or relating to greyhound racing apparatus : en
  • US1976046A - Waterfoil : en
  • US1976067A - Safety manicuring and finger nail cutter combination : en
  • US1976476A - Chaser-cutting mechanism : en
  • AU1754734A - Improved reflecting system applicable to signals, signs andthe like : en
  • DE602933C - Process for treating practically anhydrous, oily vegetable lecithin, in particular for food purposes : de en
  • CA345213A - Glass cutting apparatus : en fr
  • GB417587A - Improvements in incubators : en
  • CA345252A - Bearing : en fr
  • GB417723A - Improvements in chocolate and like refiner roll machines : en
  • AT138937B - Running shoe. : de en
  • US1975915A - Paste tube dispenser : en
  • USRE19339E - Well reamer : en
  • AT138956B - Air cylinders for air brakes. : de en
  • US1975970A - Conical electric burner : en
  • US1976146A - Luggage carrier : en
  • AU1665934A - An improvement in crown corks : en
  • CA10489S - Service pot : en
  • CA345219A - Alloy : en fr
  • AT139030B - Arrangement for alternating current networks and alternating current motors fed via grid-controlled discharge vessels in a converter circuit. : de en
  • US1976016A - Heel finishing tool : en
  • US1976513A - Process and machine for making bags : en
  • AT138968B - Modulation system. : de en
  • AT139024B - Inlet apparatus for flow turbines. : de en
  • AT138902B - Bracket for roof panels. : de en
  • DE586375C - Device for testing eggs and separating the egg white from the yolk : de en
  • FR771641A - Improvements to rubberized compositions : en fr
  • GB417743A - An improved firing lock for sporting guns and rifles : en
  • FR771477A - Improvements to hole billiards : en fr
  • US1976021A - Testing device : en
  • US1976586A - Automatic fire extinguisher : en
  • CA345194A - Electric range apparatus : en fr
  • US1976205A - Let-off for looms : en
  • AT139002B - Light metal pistons for internal combustion engines. : de en
  • USD93540S - Design fob a can carrier back : en
  • USD93563S - Design fob a shoe : en
  • DE604019C - Bronze printing ink for stone printing : de en
  • DE604079C - Housing for flat electric flashlights with standard batteries : de en
  • AT138861B - Method and machine for the production of glass ribbons with projections or thickenings arranged at a distance from one another. : de en
  • US1976425A - Corn popper : en
  • US1976466A - Incandescent wire ignition plug : en
  • US1976155A - Core capping machine : en
  • DE604972C - Door drive for elevators : de en
  • US1976149A - Lamp : en
  • US1976242A - Drying and washing reel : en
  • CA345125A - Fibrous material treating apparatus : en fr
  • FR771489A - Method and apparatus for eliminating the water contained in the body of cetaceans and in all other materials containing water and possibly oil : en fr
  • FR771676A - Further training in apparatus for the production of inert gases intended for the protection of tanks containing liquid hydrocarbons : en fr
  • DE603999C - Warning device for vehicles that shines in the dark : de en
  • FR44097E - Method of microscopic examination of the constitution of surfaces and instrument intended for this examination : en fr
  • DE603528C - Process for making a tough cream or water ointment : de en
  • DE603844C - Starting device : de en
  • US1975851A - Pressure and temperature control switch : en
  • US1975902A - Means of treating aggregate with bitumen : en
  • US1976045A - Occlusal instrument : en
  • US1976403A - Carton for eggs and the like : en
  • AT138935B - High voltage cables. : de en
  • AU1455933A - Building and road making material : en
  • US1975940A - Safety pulley : en
  • US1976674A - Power transmitter for power tables : en
  • AT138858B - Button-on camisoles, especially for children. : de en
  • US1975873A - Mounting for drilling mechanism : en
  • US1976566A - Outlet box : en
  • US1975824A - Brake-meter and accelerometer : en
  • US1976011A - Reenforced plastic structure : en
  • US1976024A - Electric plug : en
  • FI16141A - Anordning vid tegugnar av uttagning av det brandda teglets svalvärme for uppvärmnings- och torkningsändamål : en fi
  • US1976520A - Stamped fuel pump : en
  • GB417550A - Improvements relating to vibratory exercising apparatus : en
  • US1976273A - Crank case cleaner : en
  • US1976532A - Sealing means for centrifugal pumps : en
  • CA345170A - Telegraph signalling apparatus : en fr
  • FR771598A - Staged lamella sieve cylinders : en fr
  • GB417790A - An improved brick for building : en
  • GB417744A - Improvements in or relating to attachments for smoking pipes : en
  • FI16122A - Ask for strength : en fi
  • FR771419A - Hydraulic machine : en fr
  • GB417753A - Improvements in recording sound photographically : en
  • US1976420A - Brake : en
  • AT138890B - Arrangement for keeping the high frequency amplitude constant at the receiving rectifier. : de en
  • GB417625A - Improvements in or relating to front wheel brakes for motor vehicles : en
  • US1976684A - Structural material : en
  • GB417666A - Improvements in or relating to means for regulating air conditions in an air circuitpassing through one or more apparatus : en
  • US1975980A - Rubber composition and method of preserving rubber : en
  • US1975981A - Unit pinion support for multicolor printing machines : en
  • US1976097A - Fluid fuel burner : en
  • US1976145A - 2-hydroxyanthracene-3-carboxylic acid and a process of preparing it : en
  • US1976264A - Sectional range pole : en
  • DE603772C - Transverse drive body, in particular wings or control surfaces for aircraft or the like. : de en
  • GB417781A - Improvements in sliding-clasp fasteners : en
  • US1976265A - Manufacture of oxidation products of trichlorethylene : en
  • US1976295A - Alloy, electron emitter, and method of making same : en
  • GB417573A - Improvements in or relating to panel type radiators for heating buildings : en
  • AT138909B - Curtain clip. : de en
  • AT138953B - Gas-filled discharge tube, in particular rectifier tube with an oxide cathode. : de en
  • US1975822A - Golf club construction : en
  • US1975946A - Detergent : en
  • US1976633A - Pumping jack : en
  • AT138900B - Coupling transformer for radio purposes. : de en
  • DE603824C - Device for the spasmodic control of electric motors : de en
  • FR771458A - Device making letter boxes tamper-proof : en fr
  • GB417725A - Improvements in or relating to wireless signalling : en
  • GB417758A - Improvements in or relating to the heating of fluids and apparatus therefor : en
  • US1976521A - Electron discharge device : en
  • US1976536A - Cow stanchion : en
  • USD93586S - Design for an ash tray or similar : en
  • FR44054E - Projector : en fr
  • GB417801A - Improvements in or relating to trawling gear : en
  • GB417701A - Process and apparatus for the pasteurization of milk and similar liquids : en
  • DE603912C - Advertising clock : de en
  • FR771455A - Condensation water trap : en fr
  • FR771697A - Improvements in distillation-rectification apparatus for volatile products and in particular wines and other fermented products : en fr
  • DE604066C - Metal cover strip, especially for car bodies of motor vehicles : de en
  • FR771497A - Fire extinguisher device : en fr
  • FR44058E - Method and devices for transporting objects in continuous furnaces and other applications : en fr
  • AT138932B - Anti-skid tires for automobiles. : de en
  • FR771559A - Siphoid drain for sanitary ware : en fr
  • US1976687A - Method of making bags : en
  • US1976275A - Layer cake holder : en
  • US1975912A - Machine tool : en
  • US1975942A - Bread slicer : en
  • AU1402333A - Improvements in paper containers : en
  • CA345132A - Magnet steel : en fr
  • DE603928C - Arrangement for bar windings of electrical AC machines : de en
  • DE604071C - Gas rivet fire : de en
  • CA345138A - Shock absorber : en fr
  • US1976057A - Rotary : en
  • DE603954C - Telegraph system, in particular telex switching system with dialer operation : de en
  • US1976578A - Valve for garment pressing machines : en
  • DE603980C - Striker trap : de en
  • FR771689A - Lighting devices, in particular for large dials : en fr
  • US1975765A - Signal device for vehicles : en
  • US1975922A - Oil burner : en
  • FR771454A - Microphone refinements : en fr
  • GB417617A - A process for splitting up a liquid mixture into its components or groups of components : en
  • US1975978A - Means for transmitting energy in oscillatory form : en
  • US1976433A - Emulsion and its preparation : en
  • US1975857A - Table : en
  • DE603809C - Device for starting up counter-rotating turbines with unequal power distribution : de en
  • AT138967B - Circuit arrangement for amplifier tubes heated in series from the mains. : de en
  • DK49363C - Procedure for Favoring the Penetration of Latex Single or Total Textile Fibers. : da en
  • FR771413A - Bust mold : en fr
  • US1976127A - Method of activating adsorbent earths or clays : en
  • USD93557S - Design for a medallion ob similar : en
  • CA345198A - Directional lighting fitting : en fr
  • US1976152A - Color photography and in method therefor : en
  • US1976296A - Telephone alarm device : en
  • USD93553S - Design for an automobile headlight : en
  • DE604005C - Arrangement for the automatic connection and disconnection of electrical machines, apparatus, etc. like : de en
  • FR44092E - Concrete pounding device : en fr
  • USD93559S - Design fob a motor driven tank truck : en
  • US1976368A - Transmission and control mechanism for machine tools : en
  • FR771604A - Needle lubricating device for shoe sewing machines : en fr
  • FR771441A - Improvements to articulated lamps : en fr
  • FR771504A - Gas mask for talking and telephoning : en fr
  • GB417926A - Improvements relating to gramophones : en
  • US1976036A - Method of making shoes : en
  • US1976531A - Test meter : en
  • FR771518A - Application of the pneumatic hammer to the threshing of leathers and device for obtaining it : en fr
  • US1976675A - Power transmitter for power tables : en
  • US1976307A - Locking device : en
  • US1976672A - Color comparator : en
  • US1976681A - Air regulating means for liquid-fuel furnaces : en
  • US1976341A - Air hardening steel : en
  • US1976434A - Oil gauge rod and wiper : en
  • USD93577S - Design fob a table : en
  • FR771469A - Improvements to tabulating machines : en fr
  • CA345229A - Draft rigging : en fr
  • US1975935A - Duster : en
  • CA345217A - Piston ring : en fr
  • FR771418A - Device for the elimination of nicotine absorbed by pipe and cigarette smokers : en fr
  • FR771593A - Game : en fr
  • GB417746A - Improved method and means for forming packages : en
  • DE603811C - Process for conveying sheet metal through continuously operating glow ovens : de en
  • GB417558A - Improvements in table mats for plates, dishes and other articles : en
  • FR771457A - gas saver : en fr
  • US1976120A - Light control device : en
  • US1975979A - Method of and apparatus for making can ends : en
  • DE603931C - Adhesive : de en
  • FR771449A - Shoe making machine : en fr
  • FR771513A - IMPROVEMENTS IN THE MANUFACTURE OF HAIRHAIR OR OTHER FIBERS INCLUDING THE CONSTITUTION OF RUBBERIZED HAIRHEAD OR SIMILAR : en fr
  • FR771679A - Canister for acids and other liquids : en fr
  • DE603952C - Track curve lubrication device : de en
  • US1975847A - Tuning device for automobile radioreceivers : en
  • US1976180A - Shaking sieve : en
  • FR771534A - Cooling system for all engines : en fr
  • GB417828A - Improvements in or relating to electric hand torches : en
  • DE603966C - Potato peeling machine : de en
  • US1976442A - Water silencer : en
  • DE603579C - Irrigation device : de en
  • DE603970C - Furniture fittings, especially the handle : de en
  • DE604040C - Metallic phonetic carrier : de en
  • FR44100E - Skate refinements : en fr
  • GB417942A - Improvements in or relating to seed drills : en
  • FR771554A - Improvements to belt buckles and the like : en fr
  • DE604002C - Drying device for pasty substances : de en
  • FR771443A - Further development and installation of seat rings for combustion engine valves : en fr
  • GB417576A - Improvements in or relating to coin-operated automatic game machines : en
  • GB417808A - Improvements in selector mechanism for pneumatic tube and like conveyors : en
  • US1975853A - Catalytic dehydrogenation of primary alcohols : en
  • US1976289A - Voltage regulator : en
  • GB417620A - Nozzles for controlling the flow of fluids : en
  • GB417793A - Improvements in or relating to opening and closing devices for containers, such as tubes containing tooth paste, cosmetics, or the like : en
  • US1976256A - Grater for potatoes or the like : en
  • GB417549A - Wearing apparel changeable without exposing the body : en
  • GB417937A - Improvements in or relating to the production of plastic materials : en
  • US1976027A - Transparent sheet material : en
  • US1976262A - Metallic baffle construction : en
  • US1976576A - Buck for pressing machines : en
  • DE603886C - Device for automatic speed-dependent spot switching : de en
  • US1976222A - Method of purifying raw salt : en
  • FR771696A - Electrical connection device : en fr
  • FR771464A - Automatic and progressive freewheel clutch and reverse gear more particularly intended for motor vehicles : en fr
  • IE13653L - Electrical transmission : en
  • US1975948A - Tire cover and lock : en
  • US1976087A - Towel dispensing apparatus : en
  • US1976237A - Decorative surface and process of making the same : en
  • US1976320A - Seat and berth construction : en
  • US1976416A - Pump : en
  • US1976371A - Electric wire fastening device : en
  • US1976542A - Snap-on hub cap or other closure : en
  • CA345157A - Welding torch : en fr
  • US1975886A - Plastic packing stuffing-box : en
  • AT139043B - Compensation unit for voltage division. : de en
  • FR771612A - Movement transmission device : en fr
  • FR771535A - Fire extinguisher : en fr
  • FR771602A - Improvements to methods and apparatus for washing clothes : en fr
  • AT138969B - Method and device for producing helically grooved endless hoses or pipes. : de en
  • US1975846A - Method and machine for treating sheet metal : en
  • US1976352A - Perforating machine for records : en
  • US1975801A - Microphone : en
  • US1976154A - Ground contact for vehicles : en
  • US1976507A - Manufacture of low boiling petroleum distillates : en
  • DE603979C - Tree protection ring : de en
  • DE604001C - Drying device for pulp or paper with zigzag-shaped conveyor belt and built-in intermediate floors : de en
  • US1975768A - Source of light : en
  • US1976068A - Floating wheel hub mounting : en
  • DE603876C - Device for enriching the solid absorption material with the working medium in periodic absorption apparatus : de en
  • DE603840C - Process for the production of a multi-thickness glass : de en
  • DE603761C - Process for the production of light-colored copal melt backs : de en
  • DE603806C - Device for carrying out chemical and physical reactions between liquid and specifically heavy, solid substances : de en
  • DE603934C - Electric sewing machine drive : de en
  • FR44065E - Piston for internal combustion engines or others : en fr
  • GB417527A - Improvements in carrying out catalytic reactions : en
  • GB417830A - Improved process of working up vulcanised rubber waste : en
  • FR771439A - Lock, especially for furniture : en fr
  • GB417860A - Improvements in or relating to methods of reproduction in colour photography : en
  • AT138947B - Process for bright annealing of metal objects. : de en
  • CA345123A - Concrete body manufacture : en fr
  • US1975927A - Roller conveyer : en
  • GB418285A - A method of assembling magnet systems for telephone receivers : en
  • GB429061A - Gun mountings on aircraft : en
  • FR771617A - Air jet device for initiating and separating sheets in automatic sheet feeders, for graphic machines : en fr
  • FR771693A - Slab with retractable self-illuminating device : en fr
  • US1975938A - Automatic feed for cigar wrapping machines : en
  • US1976020A - Trim saw : en
  • US1976381A - Milling machine transmission and control : en