• US2068278A - Brake construction : en
  • US2067928A - Vat dyeing process and composition : en
  • US2068623A - Colored compound derived from yellow oxidation ferment and method of producing same : en
  • CA363606A - Railway car hand brake : en fr
  • DE641037C - Device for forming tightly closed groups of baking cuts from baking cuts that arrive continuously at intervals with a pushing device working on a roasting oven belt : de en
  • FR807892A - Refinements to valve bags : en fr
  • US2068544A - Battery clamp : en
  • DE1396375U - Lighting device for projection apparatus : de en
  • AU100020B2 - Improvements in or relating to the protection of metallic surfaces against corrosion : en
  • US2068040A - Thermionic discharge relay system : en
  • US2068169A - Hair waving pad : en
  • US2068400A - Sanitary tooth cleanser : en
  • US2068605A - Take-up mechanism for knitting machines : en
  • USRE20250E - Locomotive : en
  • US2067924A - Pressure relief valve : en
  • DE638866C - Tiltable cupola front hearth : de en
  • AU4236A - A device for giving amusement by means of small aircraft partially sustained by mechanical methods : en
  • US2068251A - Arch support for shoes : en
  • US2068327A - Disk bit : en
  • FR807723A - Control mechanism for valves of engines and similar parts : en fr
  • US2068074A - Refrigerator : en
  • US2068379A - Game and apparatus therefor : en
  • US2068439A - Sealing machine : en
  • DE641095C - Circuit arrangement for telephone systems with dialer operation : de en
  • AU100023B2 - Improvements in electrodes or welding rods for use in electric arc welding : en
  • GB460213A - Railway traffic controlling apparatus : en
  • GB460147A - Improvements in the manufacture and production of colour lakes : en
  • FR807818A - Improvements to handling systems : en fr
  • FR807813A - Nozzle for vacuum cleaners : en fr
  • GB459968A - Improvements in men's pants, drawers and similar undergarments : en
  • US2068306A - Game apparatus : en
  • US2068474A - Handle bar construction : en
  • FR807680A - Arrangement for controlling the height and lateral pointing device of firearms : en fr
  • FR807853A - Foam dispenser tube for fire extinguishing purposes : en fr
  • CA363574A - Air filter framework : en fr
  • DE641073C - Nail driving device : de en
  • GB460051A - Improved construction of garden edging and the like : en
  • AU100005B2 - Improvements in or relating to automatic or semiautomatic telephone or like exchange systems comprising digit-translating means : en
  • CA363575A - Windshield wiper : en fr
  • CA363613A - Rotary cutter : en fr
  • US2068066A - Process of coating pigments : en
  • US2068533A - Laminated article : en
  • US2068432A - Method of forming staybolt connections : en
  • US2068288A - Assembling mechanism of typographical composing machines : en
  • US2068482A - Shoe : en
  • CA363507A - Oxalic acid production : en fr
  • US2068215A - Adjustable earth implement : en
  • US2067950A - Artificial material and method of preparing the same : en
  • USD102794S - Design fob a game board : en
  • DE641185C - Method for closing and sealing boxes : de en
  • FR807696A - Clip for removable fixing of intermediate walls in boxes, shelves or showcases intended for the presentation of objects : en fr
  • FR807838A - Portable device for quickly filtering and making small amounts of water drinkable : en fr
  • GB460185A - Improvement in means for and method of applying a patch to a satchel bottom bag : en
  • US2068465A - Process for purification of musty water : en
  • FR807803A - Process and installations for the production of agglomerated fuels : en fr
  • CA363523A - Cinematographic camera : en fr
  • DE641030C - Portable typewriter : de en
  • US2067963A - Footwear : en
  • US2068041A - Truck cover : en
  • CA363493A - Vending machine : en fr
  • US2068419A - Fountain pen : en
  • US2068558A - Knitting machine : en
  • CA363496A - Metal treating apparatus by heat : en fr
  • FR807821A - Improvement in the processing of photographic layers : en fr
  • US2068272A - Composite recorder : en
  • USD102740S - Design for a slipper : en
  • US2068303A - Cultivator : en
  • US2068449A - Gramophone or the like : en
  • USD102754S - Design for a perpetual desk calendar : en
  • DE641038C - Device for the production of double pipe ends that are flanged to the outer wall of the pipe : de en
  • FR807894A - Inner frame of animal head for fur collar or the like : en fr
  • FR47122E - Key locking system for caps of containers such as gasoline tanks of motor vehicles, etc. : en fr
  • GB459963A - Improvements in or relating to television receivers and the like : en
  • DE641191C - Shut-off valve for street fountains in particular arranged within water posts : de en
  • GB459959A - Improvements in or relating to boiler drums : en
  • FR807885A - Rigid liquid friction stopper for high speed rotating shafts : en fr
  • US2068427A - Electric siren : en
  • US2068146A - Seed sorting machine : en
  • DE641121C - Bowden cable device for controlling self-propelled toy cars or similar vehicles : de en
  • US2068060A - Shank pocket for shoes and method of using the same : en
  • US2068173A - Resilient compression annuli : en
  • US2068237A - Shoe and method of making same : en
  • DK52592C - Bicycle support. : da en
  • GB459893A - Improvements in or relating to fluid-operated regulators : en
  • GB459979A - Improvements in floor fixture housings for electric supply purposes : en
  • DE641096C - Procedure for spatial radio pointing : de en
  • FR807890A - Thruster with automatically variable pitch blade device, for air, sea and land vehicles : en fr
  • US2068517A - Telephone mounting device or the like : en
  • GB460195A - Improvements in portiere rods : en
  • FR807804A - Device for improving the efficiency of central heating installations : en fr
  • FR807651A - Internal combustion engine : en fr
  • GB460089A - Improvements in shock absorbers : en
  • DE640925C - Composite crankshaft for multi-cylinder internal combustion engines : de en
  • FR807752A - Metal pile to drive : en fr
  • GB460007A - Improvements in and relating to devices for applying thin layers of liquids : en
  • CA363617A - Burner : en fr
  • US2068494A - Electrical control device : en
  • GB460079A - Process and apparatus for washing, desulphurising, bleaching and dyeing artificial yarns : en
  • GR6240B - WINDOW CURTAIN. : el en
  • GB459960A - Improvements in machines for drawing flax, wool and other fibres for forming slivers or yarn : en
  • FR47145E - Rigid seat with flexible supports for vehicles : en fr
  • GB459909A - Improvements in or relating to resilient or yielding shaft couplings : en
  • FI17324A - Refunds and anchoring for the production of fiber materials : en fi
  • DE641178C - Acetylene generator in which powdery and grainy carbide is gasified : de en
  • US2068424A - Production of polymerization products : en
  • US2068399A - Connecter : en
  • US2068120A - Vehicle brake : en
  • US2068241A - Carton closing device : en
  • FR807653A - Improvements to machines for fitting metal eyelets : en fr
  • DE640995C - Gas pressure regulator : de en
  • FR807829A - Improvements in the manufacture of composite parts in copper-based alloys : en fr
  • US2067938A - Treatment of cellulose esters containing colloiding agents : en
  • US2068287A - Electric lamp : en
  • US2068411A - High-pbebsure nonplastic refrac : en
  • US2068233A - Radio receiving set : en
  • US2068313A - Compounds of the anthraquinone series and process for producing the same : en
  • DE641197C - Arrangement for changing the selectivity of high-frequency receivers : de en
  • AU100043B2 - Improvements in or relating to machines for attaching heels to hoots or shoes : en
  • US2067979A - Therapeutic vibrator : en
  • US2068070A - Mining machine : en
  • FR807791A - Transmitting station indicating device for radio receivers : en fr
  • FR807832A - Improvements to the running boards : en fr
  • FR807777A - Sticky products, adhesives, primers and thickeners : en fr
  • US2068086A - Method and means for forming metallic bellows : en
  • US2068417A - Lubrication fitting : en
  • GB460068A - Improvements in and relating to door handles and the like : en
  • DE641032C - Permanent grate for enamelling ovens : de en
  • FR807758A - Ceramic or synthetic jug that does not let any drops escape after use : en fr
  • FR807859A - Manufacturing process for natural cheeses and products obtained : en fr
  • GB459984A - Improvements in and relating to power transmission mechanism : en
  • DE641101C - Process for the production of composite boards with exclusively standing annual rings, especially for plywood middle layers : de en
  • US2068527A - Garment pressing machine : en
  • US2068591A - Kitchenette cabinet : en
  • US2068478A - Method of and apparatus for condensing refrigerant in refrigerative circuits : en
  • FR807771A - Improvements to thrust roller bearings : en fr
  • DE641192C - Membrane gas pressure regulator : de en
  • FR807778A - Method for preparing a coffee extract : en fr
  • FR47129E - Elastic suspension for wheels mounted on oscillating half-axles, in particular for motor vehicles : en fr
  • FR807686A - Constant impedance networks : en fr
  • US2067896A - Surface hardened cast iron articles of manufacture : en
  • US2068353A - Arylazodiamino-picolines : en
  • US2068386A - Amusement device : en
  • US2068541A - Nonskidding device for use on road vehicles : en
  • DE641131C - Device for controlling an electrical current, in particular for controlling electrical machines : de en
  • US2067920A - Drying apparatus : en
  • US2068602A - Hair curler : en
  • US2068628A - Apparatus for trimming grid electrodes : en
  • GB460011A - Improvements in vehicle structures : en
  • US2067914A - Salinometer : en
  • US2068257A - Filtering apparatus : en
  • GB459912A - Process of refining magnesium and magnesium alloys : en
  • GB460193A - Process for the manufacture of a stable product therapeutically useful in relation to bleeding : en
  • US2068227A - Automatic control for radio apparatus : en
  • FR47148E - Improvements in hollow metal rim bicycle wheels and the like : en fr
  • FR807809A - Device for fixing stereotype clichés on the cylinders of printing presses : en fr
  • FR807808A - Improvements to combs : en fr
  • GB460008A - Improvements in or relating to testing apparatus for gear wheels : en
  • GB460015A - Improvements in magnetic compasses : en
  • DE641046C - Device for sealing measuring devices by means of an elastic spring body : de en
  • DE641111C - Device for mixing fuel with a liquid binder : de en
  • US2068523A - Machine tool : en
  • USD102790S - Design for an orchestra stand or : en
  • FR47125E - Improvement in airplane wing shapes and adaptation of these shapes to tripartite wing planes : en fr
  • USD102761S - Design for an ashtray or similar : en
  • DE641017C - Tilting mechanism : de en
  • US2068067A - Umbrella : en
  • US2068124A - Anthraquinone dyes and process for preparing the same : en
  • GB460006A - Apparatus for the determination and/or regulation of the fat content in milk : en
  • US2068506A - Radiator shield : en
  • US2068029A - Mat : en
  • GB460026A - Improvements in spinning viscose : en
  • GB460034A - Improvements in or relating to liquid-fuel vaporizers, particularly for internal-combustion engines : en
  • US2068396A - Covering material and process of : en
  • US2068618A - Sea gyroplane : en
  • USD102838S - Design fob a refrigerator cabinet : en
  • GB460215A - Device for controlling the pressure medium of power-operated speed changing-mechanism : en
  • US2068536A - Pump : en
  • US2067918A - Apparatus for making coffee infusions and other infusions : en
  • AU36736A - Multiple temperature refrigerating apparatus and method : en
  • CA363522A - Liquid fuel combustion apparatus : en fr
  • DE641181C - Roll film camera in which the shutter lift is detachably coupled to the film transport : de en
  • GB460010A - Improvements in apparatus for spraying paint and like materials : en
  • GB460053A - A holder for an electric lamp and a lamp for use with it : en
  • DE639113C - Device for bringing the end of the cover sheet up to the end of the cigar roll located in the winding roller nest : de en
  • CA363554A - Colour photography : en fr
  • CA363566A - Hose coupling : en fr
  • US2068229A - Holding device for the sheets of loose leaf books : en
  • CA363555A - Photographic printing on lenticular films : en fr
  • AU185436A - Improvements relating to fusible electric cutouts : en
  • US2068170A - Duplex hair waver : en
  • US2068345A - Electropneumatic brake equipment : en
  • CA363598A - Air entraining device : en fr
  • DE641041C - Control device for bleed back pressure turbines : de en
  • FI17337A - Anordning vid värmeutväxlingsapparater : en fi
  • US2067885A - Setting tools for packers and the like : en
  • US2068006A - Shirt holder : en
  • DE641134C - Self-excited, multi-phase inverters in parallel arrangement, working with grid-controlled vapor or gas discharge paths : de en
  • GB460135A - Improvements in connection with variable speed hydraulic power transmission : en
  • US2068433A - Road leveler : en
  • CA363540A - Steel rope altering machine : en fr
  • CA363610A - Umbrella rib tip sewing machine device : en fr
  • US2068500A - Mounting tape for separable fasteners : en
  • USD102824S - Design for a dress : en
  • US2068145A - Time switch : en
  • US2068586A - Cyclic cyano compounds and process of producing same : en
  • US2068284A - Method for the production of derivatives of cyclic beta-keto carboxylic acids : en
  • US2068509A - Thread cutter for buttonhole sewing machines : en
  • DE641205C - Bucket excavator that can be converted into another excavator device : de en
  • FR807660A - Beer flow head : en fr
  • GB460156A - Electrical connectors : en
  • DE641126C - Process for changing the solubility of so-called chloroform-soluble cellulose acetates while maintaining the fiber structure : de en
  • AU198636A - Improvement in envelope machine : en
  • AU204536A - Improvements intone control : en
  • FR807875A - Basic agglomerates for steel furnace hearths : en fr
  • US2068212A - Irradiating mechanical refrigerator : en
  • US2068587A - Hopper feeder : en
  • CA363514A - Clamping device : en fr
  • US2068321A - Benzoyl benzoic acid compounds and process for producing the same : en
  • DE641183C - Process for the production of bitumen-bound macadam road paving compounds bound by magnesia cement : de en
  • GB460001A - Improvements in an appliance for testing vehicle tyres and road surfaces more particularly at very high speeds of travel : en
  • US2068100A - Condenser : en
  • AU100025B2 - Bench drill stand : en
  • US2068317A - Fluid pressure brake : en
  • CA363504A - Magnetic separation : en fr
  • US2068279A - Elastic spring : en
  • FR807674A - Calculator : en fr
  • FR807739A - Stiffener for flexible necks : en fr
  • DE641059C - Circuit arrangement for telephone systems with dialer operation and several exchanges in series : de en
  • GB460100A - Improved means for removing sand from settling tanks or reservoirs : en
  • GB460072A - Process for concentrating oxidized ores by means of froth flotation : en
  • GB460066A - Improvements in or relating to machines for vending ice cream : en
  • GR6237B - DISTILLERY BOILER. : el en
  • DE641163C - Metal composite windows : de en
  • DE640722C - Wire stitching device for closing bags : de en
  • FR807796A - Tube bundles improvements for heat exchangers : en fr
  • GB460204A - Improvements in or relating to television : en
  • DE641136C - Discharge vessel with gas or vapor filling and indirectly heated cathode : de en
  • FR807788A - Vat dyes and their preparation process : en fr
  • GB459977A - Improvements in or relating to combined road and rail vehicles : en
  • FR807887A - Improvements to trim for bodywork, seats and others : en fr
  • GB459923A - Improvements in or relating to the stabilisation and refining of cracked hydrocarbon distillates : en
  • GB460132A - Improvements in plunger locks or latches : en
  • FR807770A - Process for removing harmful constituents from any water : en fr
  • US2068034A - Liquid and powder dispensing container : en
  • US2068025A - Fastening : en
  • US2068308A - Holder of tools : en
  • US2068451A - Rack for garment hangers : en
  • US2068562A - Molding : en
  • US2068001A - Shoe cleaning tool : en
  • US2068216A - Oil burner : en
  • GB459971A - Improvements in or relating to closures for bottles, jars and other vessels : en
  • GB459910A - Improvements in collapsible tubes : en
  • DK52585C - Apparatus for taking milk samples. : da en
  • GB460141A - A process for applying silver halide colloid layers without distortion on future printing forms : en
  • GB460266A - Rove stop mechanism for spinning and like machines for the production of yarns or threads of flax, jute and the like : en
  • US2068157A - Fore part roughing machine for shoes : en
  • US2068088A - Castor oil product : en
  • US2068269A - Typewriting machine : en
  • US2068271A - Telephone index holder : en
  • GB460184A - Improvements in knitted fabrics or garments and in the production thereof : en
  • GB460205A - Improvements in and relating to machines for making boxes : en
  • FR807733A - Process for making, using a double twisted metal wire, but not welded, heddles for weaving : en fr
  • US2067978A - Preservation of rubber : en
  • USPP226P - Hybrid poplar : en
  • GR6238B - MACHINE FOR MANUFACTURING AND WELDING CHAINS OF VARIOUS SIZES. : el en
  • CA363583A - Wire connector : en fr
  • FR807697A - Improvements to automatic lids for bottles, jugs, carafes and flasks : en fr
  • FR807851A - Gear switch : en fr
  • GB460286A - An improved convertible table : en
  • GB460092A - Improvements in or relating to printing mechanism for rubber stereo printing with very rapid drying inks having a high solid content : en
  • US2068610A - Razor : en
  • USRE20246E - Valve : en
  • USD102822S - Design fob a bottle : en
  • GB460176A - Improvements in and relating to evaporators for refrigerating machines : en
  • US2068020A - Container opening device : en
  • GB460121A - Brake particularly for motor vehicles and the like : en
  • US2068198A - Roller bearing : en
  • US2067954A - Wrecking crane : en
  • US2067886A - Free piston power hammer : en
  • US2068378A - Diaphragm meter : en
  • US2068263A - Filter cartridge and cylinder : en
  • US2068315A - Automatic signal actuating switch for vlhicles : en
  • US2068352A - Tungsten wire reducing machine : en
  • US2068052A - Joist : en
  • US2068221A - Gas separation : en
  • GB460181A - Improvements in and relating to roentgen-ray tubes : en
  • FR807692A - Aircraft for air navigation : en fr
  • DE641139C - Mold : de en
  • FI17344A - Portable safe : en fi
  • FR807868A - Device for charging an electrical transformer, applicable in particular to controlling the gain of a tube amplifier : en fr
  • US2068473A - Lubricating oil reclaiming apparatus : en
  • US2068132A - Production of monomethylamine and dimethylamine : en
  • US2068493A - Corset : en
  • US2068021A - Bushing extracting and inserting tool : en
  • US2068580A - Automobile lighting system : en
  • US2068594A - Bearing structure for rotatable spindles and the like : en
  • DE641088C - siren : de en
  • GB460152A - A process for improving the properties of phthalocyanine dyestuffs : en
  • GB460166A - Method of and apparatus for winding metal strip edgeways into a variable pitch helix : en
  • DE640986C - Autonomous copy milling machine : de en
  • DE641108C - Device for the optical copying of lenticular films : de en
  • FI17305A - It is possible to determine the material permeability of the material : en fi
  • FR807658A - Fabric and process for its manufacture : en fr
  • US2068572A - Articulated car : en
  • FR807687A - Improvements to television receiver systems : en fr
  • GB459973A - Improvements in or relating to tubular rivets and method of and apparatus for installing the same : en
  • GB460091A - Improvements relating to mechanisms embodying an element operable through the medium of a diaphragm subject to fluid pressure : en
  • DE641099C - Remote control device for a plurality of adjustable organs : de en
  • US2068265A - Preparation of carboxylic acids : en
  • FR807673A - Improvements to paper machines : en fr
  • GB460169A - Improvements in aircraft gun mountings and the like : en
  • US2068087A - Adhesive applying mechanism for paper package making machines : en
  • US2068213A - Device for applying thin layers of liquids : en
  • US2068522A - Ignition transformer : en
  • FR807767A - Apparatus for mechanically reviving respiratory function : en fr
  • US2068007A - Refrigerating apparatus : en
  • US2068153A - Tie stay : en
  • US2068073A - Brake : en
  • FR47123E - Accelerator vacuum cleaner for chimneys and ventilation : en fr
  • FR807895A - Device for the storage and distribution of liquids : en fr
  • US2068084A - Drilling and tapping machine : en
  • FR807741A - Feeding device for gear wheel cutting machines : en fr
  • FR807849A - Improvements to medical and surgical furniture : en fr
  • GR6251B - EXTRACTION OF OIL FROM OLIVE PULP PULP WITHOUT THE USE OF BRAIN BAGS AND HYDRAULIC PRESS. : el en
  • GR6248B - MULTIPLE MIRROR SYSTEM APPLIED ON NEON PHOTOVES. : el en
  • US2068606A - Door and latch construction : en
  • GB460149A - Improvements in gearing for airscrews : en
  • GB460154A - Improvements in or relating to apparatus for cooling liquids : en
  • GB459954A - Improvements in or relating to mops : en
  • FR47135E - Process for the thermal transformation of hydrocarbons into precious products : en fr
  • FR807768A - Improvements to edge finishing machines for leather pieces used in the manufacture of shoe uppers and other articles : en fr
  • FR47142E - Tamper-evident closure device for all types of containers : en fr
  • DE640726C - Inquiry facility for telephone stations : de en
  • FR807745A - Block ties : en fr
  • DE641050C - Photographic camera with basic rangefinder : de en
  • US2067919A - Compositions of matter, and methods and steps of making and using the same : en
  • US2068099A - Separation of liquids and solids : en
  • USD102797S - Design for a dress : en
  • US2067916A - Lawn mower attachment : en
  • USD102850S - Design for a textile fabric : en
  • GB459902A - Improvements in or relating to means for controlling the electrical characteristics of direct current generators and transformers : en
  • GB460109A - Variable self-inductances : en
  • GB460111A - Improvements in or relating to the treatment of textile materials : en
  • AU2136A - Electromagnetic wave amplifying devices : en
  • GB459887A - Improvements in nickel plating : en
  • CA363593A - Oven : en fr
  • US2068365A - Braking apparatus : en
  • FR807873A - Fuel consumption indicator : en fr
  • GB460202A - Means for facilitating the opening of containers or tins : en
  • DK52572C - Gravel spreader. : da en
  • GB460024A - Improvements in slug ejecting mechanism of typographical slug casting machines : en
  • US2068293A - Means for producing time lag in electrical circuits : en
  • US2068323A - Display turnstile : en
  • US2068545A - Grounding means : en
  • GB460028A - Improvements in electric resistance heating elements and similar insulated wire elements : en
  • DE641135C - Device for the automatic, current-dependent regulation of grid-controlled rectifiers : de en
  • US2068128A - Combination angle indicator and try square : en
  • FR807663A - Process for separating mineral oils into various fractions having different chemical and physical properties : en fr
  • US2068350A - Preparation of dyestuffs of the anthraquinone series : en
  • DK52590C - Streamlined Motor Vehicle with Rear Engine. : da en
  • US2068574A - Rotary kiln control arrangement : en
  • CA363520A - Dyestuff absorption retarding process : en fr
  • FI17338A - Anordning för cellulosakokning : en fi
  • FR47147E - Improvements to cathode ray lamps : en fr
  • FR807816A - Advanced needle for reverse composite sole slipper sewing machines : en fr
  • GB460029A - Improvements in or relating to the recovery of tin from tin scrap : en
  • DE641087C - Screw connection, especially for piston engine parts of internal combustion engines : de en
  • US2068391A - Lubricating system : en
  • AU100019B2 - Television synchronising method : en
  • DE641113C - Electromagnet : de en
  • GB460047A - Improvements in apparatus for cooling or attemperating oil or other liquid : en
  • FR807657A - Motor control device for telecommunication installations selector switches : en fr
  • FR807872A - Enhancements to mechanically operated switches, such as those used in telephone systems : en fr
  • USD102782S - Design fob a humidifier : en
  • US2068127A - Carburetor : en
  • US2067888A - Process for the treatment of textile fibers and the results produced thereby : en
  • US2067975A - Vehicle braking means : en
  • US2068125A - Juvenile vehicle : en
  • GB460158A - Improvements in or relating to dolls constructed of celluloid or similar material : en
  • DE641193C - File box : de en
  • FR807823A - Improvements to games of skill : en fr
  • DK52575C - Protective device for electrical appliances. : da en
  • DE641144C - Automatic scale for uninterrupted operation : de en
  • US2068448A - Continuous high temperature electrothermal process : en
  • CA363550A - Elastic yarn : en fr
  • US2068461A - Clutch device for starting mechanisms : en
  • US2068554A - Mast for excavating machines : en
  • CA363625A - Masonry repairing process : en fr
  • DE641162C - Transformer set consisting of a main and an additional transformer : de en
  • DE641016C - Self seller : de en
  • GB460087A - Improvements in or relating to piezo-electric crystal mounting arrangements : en
  • USD102849S - Design fob a textile fabric : en
  • USD102805S - Design for a table or similar article : en
  • AU1036A - Improved cow tail holder : en
  • GB460177A - Improvements in the activation of the cathodes of electric discharge devices : en
  • US2068158A - Flushing valve for toilets : en
  • DE641085C - Spreading device for painter's ladders : de en
  • DE641106C - Coin gas meter with return device for unused coins : de en
  • DE641195C - Locomotive powered by internal combustion engines and electrical power transmission to the driving axles : de en
  • CA363614A - Chuck : en fr
  • FR807891A - Process for purifying magnesium and magnesium-based alloys : en fr
  • US2068447A - Continuous high temperature electrothermal furnace : en
  • CA363475A - Shoe manufacture : en fr
  • US2068537A - Current deflector : en
  • US2068195A - Hair slide : en
  • US2068262A - Loose leaf book : en
  • US2068548A - Door hinge : en
  • US2068564A - Metalworking apparatus : en
  • FR807848A - Development of underwater communications : en fr
  • US2067882A - Tire inflater : en
  • US2068228A - Bench vise : en
  • DE640750C - Procedure for the operation of control arrangements in remote control systems : de en
  • USD102835S - Design for a radio cabinet or : en
  • US2068101A - Machine for cleaning seeds : en
  • US2068488A - Mechanical movement : en
  • USD102820S - Design for a lace : en
  • US2068017A - Track level indicator : en
  • US2068096A - Hose coupler lock : en
  • US2068418A - World clock : en
  • US2067915A - Apparatus for the continuous treatment of textile fabrics with liquids : en
  • CA363515A - Hoisting device : en fr
  • USD102774S - Design for a tire : en
  • AU100014B2 - A carton or box for containing and displaying confectionery or other goods : en
  • CA363599A - Bottle cap making and applying method and apparatus : en fr
  • US2068234A - Machine and method for making pretzels : en
  • FR47133E - Automatic signaling system for level crossings : en fr
  • GB459894A - Manufacture of intermediates and azo-dyestuffs derived therefrom : en
  • AU100048B2 - Machine for gathering clover and its seed, meadow hay and grasses : en
  • CA363568A - Shellac bonded abrasive article : en fr
  • DE641043C - Arrangement for determining the zone in telephone systems with dialer operation : de en
  • DE641047C - Micromanometer : de en
  • GB460285A - Improvements in and relating to methods of and apparatus for voltage regulation : en
  • FR807688A - Improvements to electric steam discharge converters : en fr
  • GB460039A - Improvements relating to optical appliances : en
  • US2068333A - Refrigerating apparatus : en
  • DE641104C - Process and device for the production of sound films according to the intensity process : de en
  • GB460159A - Circuit arrangement for interconnecting teleprinters : en
  • USD102834S - Design fob a shoe : en
  • GB459988A - Improvements in or relating to ship's screw propellers : en
  • GB460171A - Improvements in electric impedance networks : en
  • US2068630A - Manufacture of transparent films : en
  • US2068329A - Grid for ice trays : en
  • GB459956A - Improvements in or relating to high frequency coils with iron cores : en
  • GB460107A - Improvements in or relating to free-wheel brake hubs : en
  • GB460157A - Improved box, more particularly for packing cigarettes or the like : en
  • DE641187C - Process for heating ovens for the implementation of gas reactions : de en
  • FR807869A - Improvements made to the implementation of a process for the analysis of chemically purified water : en fr
  • US2068008A - Pneumatic control for box machines : en
  • FI17332A - Boom clutch lock : en fi
  • GB459987A - Improvements relating to driving units for belt conveyors : en
  • AU100049B2 - Parallel motion device for the stencil carriers of multi-copying apparatus : en
  • FR807714A - Rotary or swivel burner : en fr
  • GB459944A - Improvements in, or relating to, electro-magnetically operated electric switches : en
  • DE636551C - Method and device for generating directed vibrations on technical structures : de en
  • GB460187A - Improvements in or relating to electrical signalling systems : en
  • CA363484A - Phenol production : en fr
  • FI17330A - Root crop machinery : en fi
  • GB460033A - Improvements in or relating to writing telegraphs : en
  • GR6239B - MEDICINE TO FIGHT VINEYARD DISEASE. : el en
  • DE641003C - Control device for electric motors fed by grid-controlled steam or gas discharge lines : de en
  • GB460167A - Improvements in automatic clutch control devices : en
  • FR47128E - Method and machine for fitting shoes : en fr
  • GB460042A - Improvements in or relating to valves for fluids or semi-fluid substances : en
  • US2068472A - Anti-skid device for automobiles : en
  • CA363468A - Engine cylinder head : en fr
  • FI17310A - Fertilization requirements for the production of calcium aluminates, with the exception of feedingstuffs for sodium aluminates : en fi
  • FR807699A - Improvements in the manufacture of anhydrite-based plasters : en fr
  • US2068491A - Mine roof jack : en
  • FR807713A - Hinged pipe specially designed to convey gases from one boiler element to another : en fr
  • FR807839A - elastic element : en fr
  • US2068495A - Balancing, indicating, and weighing means for rotary bodies : en
  • US2068071A - Attrition mill : en
  • USRE20249E - Casement window fastener : en
  • DE641165C - Button with exchangeable fabric cover : de en
  • AU173436A - Sheetmetal can body and method of making thesame : en
  • US2068387A - Distributor for grain drills : en
  • US2068563A - Method for metal working : en
  • US2068109A - Thumb guard : en
  • US2067933A - Film processing : en
  • US2068458A - Bearing : en
  • USD102811S - Design for a wrist radio casing : en
  • DE641176C - Method for controlling the passage of current through vapor discharge paths with arc-shaped discharge : de en
  • GB460052A - Improvements in or relating to insulated electric conductors having bared ends : en
  • DE641080C - Discharge tubes whose walls have two or more conductive parts : de en
  • GB460065A - Improvements in or relating to electric incandescent lamps : en
  • US2068200A - Game : en
  • GB459922A - Improvements in or relating to leading-in-wires adapted to be sealed through vitreous envelopes : en
  • FR807721A - Improvements to saddles or seats for cycles, motorcycles, etc. : en fr
  • GB460105A - Improvements relating to lip shields : en
  • FR47139E - Temperature regulating device for gas treatment devices in the presence of contact materials : en fr
  • FR807773A - Improvements to high voltage electrical switches : en fr
  • GB460164A - Improvements relating to rubber compounds : en
  • US2068521A - Scum paddling device for sludge digestion tanks : en
  • FR807669A - Cascaded secondary electron emitting amplifiers : en fr
  • FI17327A - Regntät sughuv : en fi
  • USD102819S - Design fob a combination washing : en
  • DE641151C - Step switch, especially cell switch, for accumulators with momentum switch : de en
  • GB460435A - Improved manufacture of condensation products and substantially olefine-free oils from olefine-containing oils : en
  • US2068171A - Breathing device : en
  • US2068444A - Tear tab closure : en
  • US2068592A - Shaker conveyer : en
  • FR807744A - Harmonica : en fr
  • FI17347A - Log drying cabinet : en fi
  • GB460161A - Apparatus for the mixing of liquids : en
  • FR807666A - Device for controlling the supply of combustible mixture or fuel to internal combustion engines or internal combustion engines for vehicles : en fr
  • GB460038A - Improvements in or relating to the manufacture of rubber products : en
  • USD102845S - Design for a jacket : en
  • FR807668A - Use of rattan in preserving containers : en fr
  • GB459889A - Improvements relating to automobiles : en
  • GB460186A - Improvements in band-pass electrical wave filters : en
  • US2068373A - Process for preparing diamino-diphenoxy-anthraquinone disulphonic acids : en
  • US2068483A - Method of coloring stone : en
  • FR807732A - Azo dyes and their production process : en fr
  • US2068039A - Pigment manufacture : en
  • US2067973A - Strand working apparatus : en
  • USD102755S - Design for a combined perpetual : en
  • US2068626A - Thermostatic unit : en
  • USD102816S - Design fok a goblet or similar : en
  • DK52573C - Method and Oscillation Generator for Generating Electrical Oscillations. : da en
  • FI17321A - Galvanic cell, isynnerhet electric Battery : en fi
  • US2068231A - Shoetree : en
  • DE641130C - Electric switch : de en
  • DE641169C - Device for mechanical processing of fibrous material made from skin substance : de en
  • DE636633C - Storage of a drive block on motor vehicles, in particular with a z. B. tubular central frame : de en
  • DK52589C - Fire extinguisher. : da en
  • FI17307A - Anordning vid strykjärn : en fi
  • FR47110E - Improvements to automatic or semi-automatic telephone systems : en fr
  • FR807748A - Improvements to switchboards and other electrical equipment installations for wet rooms : en fr
  • US2068403A - Vehicular apparatus : en
  • FR807800A - Advanced propeller thruster : en fr
  • CA363534A - Artificial straw product : en fr
  • AU100026B2 - Improvements in or relating to insulated electrical conductors and process of making same : en
  • FR807852A - Device for introducing products such as extracts or the like, etc., into pressurized pipes, in particular for obtaining fire extinguishing foams : en fr
  • GB459969A - Improved friction surface for match containers : en
  • US2068414A - Advertising display : en
  • US2068047A - Thio-and seleno-carbocyanines : en
  • US2068390A - Indicator for weighing scales : en
  • AU100028B2 - Improvements in signs : en
  • GB460023A - Improvements in or relating to boot or shoe lasting machines : en
  • GB460123A - Improvements in and relating to vaporisers for internal combustion engines : en
  • US2067953A - Valve : en
  • US2068205A - Electric spray gun for shellac, paints, etc. : en
  • US2068344A - Sampling device : en
  • DE640990C - Dispensing and cooling device for beer u. like : de en
  • DE641018C - Device for chopping whale bones, whale bacon, hard oil fruits and the like. like : de en
  • DE641179C - Temperature controller : de en
  • GB460045A - Pistons, particularly for internal combustion engines : en
  • FR47106E - Improvements to baskets, cases, racks and similar supports for bottles and other containers or objects : en fr
  • FR807842A - Methyl-amino-naphthalenesulfonic acids and process for preparing these acids : en fr
  • US2068062A - Fluid clutch : en
  • FR807729A - Improvements to bubbling tower devices : en fr
  • FR807846A - Diorama : en fr
  • GB459916A - Improvements in and relating to bore-hole pumps : en
  • GB460101A - Improvements in or relating to corsets : en
  • FR807884A - Further training in pumping installations and in particular in condensate water extraction installations : en fr
  • US2067887A - Road guard : en
  • USD102779S - Design fok a child s ice skate : en
  • GB460064A - Electro-dynamic devices for interconverting electrical oscillations and sound waves : en
  • AU11636A - Improvements in or relating to loading coil cases : en
  • GB460094A - Improvements in or relating to helical wire curtain rods, clothes lines and the like : en
  • US2068030A - Spark plug : en
  • CA363499A - Valve construction : en fr
  • US2068188A - Electric controlling apparatus : en
  • US2068348A - Multiple copy typewriting machine : en
  • AU8336A - Improvements in or relating to machines for attaching heels to hoots or shoes : en
  • AU100047B2 - An improved beer cask cradle for counter use : en
  • CA363567A - Vacuum discharge tube : en fr
  • USD102799S - Design fob a fountain pen ob otheb : en
  • US2068235A - Apparatus for making caps : en
  • US2068446A - Clothes hanger : en
  • CA363487A - Plastic rubber product : en fr
  • USD102801S - Design fob a fountain pen ob otheb : en
  • US2067969A - Forked sector gear : en
  • US2067991A - Scalp treating device : en
  • US2068106A - Sound emitting apparatus : en
  • US2068340A - Electric and fluid pressure brake system : en
  • US2068114A - Piston ring : en
  • US2068615A - Tube closing machine : en
  • CA363623A - Malt beverage maturing process : en fr
  • AU100031B2 - Improvement in envelope machine : en
  • AU170836A - An improved process forthe treatment and preservation of blood for medicinal purposes : en
  • CA363564A - Butter making method : en fr
  • DE640999C - Sheet feeding device for office printing machines : de en
  • US2068389A - Closure cap and liner therefor : en
  • DE641036C - Device for rolling out a lump of dough into a sheet of dough, especially for honey cake dough : de en
  • GB459883A - Improvements in or relating to the jointing of coaxial conductor electric cables : en
  • AU100030B2 - Sheetmetal can body and method of making thesame : en
  • GB459878A - Polyvinyl acetal resins : en
  • US2068275A - Mail box : en
  • USRE20248E - Kailway signaling system : en
  • AU7436A - Improvements in or relating toa receiving arrangement for clearly distinguishing between signals of different strengths : en
  • DK52583C - Pufseng. : da en
  • GB460267A - Improved sound locator horn for aircraft locating systems : en
  • US2068504A - Paper cutting machine : en
  • US2068026A - Circular loom : en
  • US2068098A - Fastening panels that shrink : en
  • US2068102A - Fluid control system : en
  • DE640833C - Process for purifying hydrocarbons : de en
  • GB460036A - Improvements in electric cables : en
  • AU187036A - Improvements in wringing apparatus for laundries and the like : en
  • GB459992A - Manufacture of sulphonic acids : en
  • GB460003A - Improvements in impulse receiving arrangements particularly for use in telephone systems : en
  • USD102791S - Design fob a cabana : en
  • US2068543A - Door operating mechanism : en
  • US2068336A - Magnetic brake : en
  • US2068555A - Car body with bull gear for excavating machines : en
  • CA363621A - Picture projecting apparatus : en fr
  • US2067995A - Electrode holder : en
  • US2068055A - Combined rail chair and anticreeper : en
  • FR807834A - Control device for injection and pressure casting machines : en fr
  • US2068369A - Faucet : en
  • GB460049A - Improvements in and relating to an air cooling apparatus : en
  • US2068181A - Process and apparatus for drying plastic materials : en
  • FI17329A - Optical lenses and the like are also used for the production of light : en fi
  • DK52570C - Form for Freezing Cream or Water. : da en
  • DE634692C - Branch terminal for electrical lines : de en
  • FR807878A - New reinforcement for reinforced concrete : en fr
  • FR807711A - Apparatus for opening and closing doors of motor vehicles : en fr
  • US2067923A - Tension rolling apparatus and method : en
  • US2068435A - Refrigerator : en
  • GB460081A - Improvements in or relating to pneumatic separators or classifiers : en
  • GB460009A - Method of producing monomeric methacrylic acid esters : en
  • US2068167A - Batting package : en
  • US2068310A - Distributing mechanism of typographical composing and distributing machines : en
  • CA363561A - Self-filling fountain pen : en fr
  • US2068240A - Wheel, more particularly for vehicles : en
  • US2068409A - Device for feeding high pressure boilers : en
  • US2067892A - Testing apparatus : en
  • US2068090A - Air conditioning apparatus : en
  • US2068309A - Transmission measuring system : en
  • USD102806S - Design for a display counter : en
  • FR807756A - Device for applying a shaving product : en fr
  • USD102777S - Design for a thermometer mounting : en
  • GB460138A - Improvements in and relating to the manufacture of iron : en
  • US2068031A - Rayon and process and apparatus for the manufacture thereof : en
  • DE641075C - Process for the preparation of silicyl compounds : de en
  • US2068289A - Selective hair trigger and safety device : en
  • US2068480A - Projection printer : en
  • US2068434A - Method of treating freshly pasted storage battery plates : en
  • US2068437A - Auxiliary transmission : en
  • US2068022A - Tubular structure : en
  • US2068238A - Flexible rubber overshoe : en
  • US2068524A - Clothes wringer : en
  • US2068335A - Magnetic track brake : en
  • US2068290A - Cemetery ground vase, raised type : en
  • US2068377A - Lubricating device : en
  • FR807801A - Injection engine with combustion chamber separate from the working cylinder : en fr
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  • DK52568C - Procedure and apparatus for the production of containers open to one side by cold drawing. : da en
  • US2068356A - Washing machine : en
  • DE641198C - Circuit arrangement for starting self-excited inverters : de en
  • GB459908A - Improvements in photographic developers : en
  • US2067905A - Production and treatment of artificial filaments, threads, foils, and the like : en
  • US2067940A - Method of producing gas : en
  • US2067972A - Wire straightening machine : en
  • US2068226A - Changeable exhibitor : en
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  • US2068471A - Milk can attachment : en
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  • GB460272A - Improvements in or relating to name plates and the like : en
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  • FR807799A - Improvements in electrical circuits intended to modify the frequency response in amplifiers, and similar devices : en fr
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  • GB460368A - Improvement in bag making machines : en
  • GR6241B - CONNECTION OF RAILWAYS BY IRON SHEETS AND ELECTRIC WELDING. : el en
  • US2068165A - Bottle capping mechanism : en
  • USD102736S - Design for a shoe : en
  • GB459964A - Improvements in or relating to the ignition of fuel, for instance in furnaces, gas turbines, internal combustion motors, and the like : en
  • GB460088A - Improvements in or relating to torsional vibration dampers for crankshafts : en
  • GB460366A - Improvements in or relating to structural concrete and hydraulic cement therefor : en
  • GR6250B - OLIVE FRUIT GRINDER WITHOUT USE OF STONE CYLINDERS. : el en
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  • US2068467A - Cultivator and shield : en
  • US2068607A - Stabilizes alkyl halide and process : en
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  • DE641092C - Method of manufacturing high tensile strength bolts by cold working a low carbon mild steel : de en
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  • US2068232A - Shoetree : en
  • CA363483A - Under voltage protective system : en fr
  • CA363481A - Refining process : en fr
  • GB460030A - Improvements in or relating to containers for electric condensers : en
  • US2068362A - Apparatus for extruding matter : en
  • GB460076A - Improvements in valve circuits for translating radio signals from two antenna systems or the like : en
  • AU22936A - Improvements in electrodes or welding rods for use in electric arc welding : en
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  • DE641160C - Scale arrangement for radio sets with several wave ranges : de en
  • US2068314A - Multiple terminal connecter : en
  • US2068147A - Electric rate meter : en
  • AU100029B2 - An improved process forthe treatment and preservation of blood for medicinal purposes : en
  • AU5836A - Bench drill stand : en
  • AU7936A - Improvements in or relating to thermionic amplifiers : en
  • FR47146E - Improvement made to jars or containers intended for preserving food or any other products liable to spoil or deteriorate in the open air : en fr
  • BE419546A - : en
  • US2067934A - Battery connecter : en
  • US2068013A - Juice extractor : en
  • US2068408A - Electrical cleaning bath : en
  • US2068413A - Sieve : en
  • CA363529A - Wire connector : en fr
  • US2068089A - Emulsifiable solutions of sulphur dioxide : en
  • AU100037B2 - Improvements in or relating to radio rangefinders andthe like : en
  • CA363553A - Storage battery : en fr
  • US2068049A - Vehicle spring : en
  • CA363597A - Rotary cylindrical valve : en fr
  • CA363608A - Throttle control : en fr
  • FR807665A - Further training in apparatus for recording or reproducing sound films or the like : en fr
  • CA363488A - Circuit breaker : en fr
  • US2068161A - Material-discharge control valve for spray guns : en
  • US2068566A - Hen battery : en
  • AU116036A - Improved process and machine for scutching flax and like fibre containing stalks : en
  • CA363570A - Surface decorating method : en fr
  • USPP224P - Camellia : en
  • CA363518A - Electrical impulse recording device : en fr
  • US2068406A - Fluid flow control apparatus : en
  • CA363521A - Oil extraction : en fr
  • CA363563A - Milk product processing : en fr
  • CA363565A - Transmission control : en fr
  • US2067974A - Railway switch operating apparatus : en
  • US2068567A - Air and gas mixer for gas burners : en
  • US2068604A - Independently acting wheel suspension for automobiles : en
  • US2068442A - Fuel pumping and metering device : en
  • FR807652A - Maneuvering device for gear change mechanisms of motor vehicles : en fr
  • GB460018A - Improvements in journal bearings : en
  • AU162136A - Improvements in apparatus for skinning animals : en
  • CA363459A - Laundry iron : en fr
  • US2068611A - Tool forming attachment : en
  • US2068178A - Marble shifting mechanism for game boards : en
  • DE641159C - Circuit for private branch exchanges with semi-automatic operation : de en
  • US2068429A - Fuel conxkol valve : en
  • US2068496A - Suction nozzle : en
  • US2068236A - Radiator : en
  • USD102745S - Design for : en
  • USD102812S - Design fob a plate ob similab abticle : en
  • US2067944A - System for the remote operation of power plants : en
  • US2068498A - Method of testing and restoring the effectiveness of detergent baths : en
  • GB459982A - Improved manufacture of fabrics with bias weft : en
  • US2068601A - Oscillating wiping machine : en
  • US2068583A - Support and method of making the same : en
  • US2067929A - Process of dyeing with vat dyes : en
  • FR807707A - Process for preparing fibers in corrugated viscose rovings : en fr
  • FR807844A - Sterilization method and apparatus : en fr
  • GB460179A - Improvements in or relating to modulated carrier wave receivers : en
  • DE641006C - Process for making and playing back sound recordings : de en
  • DE641061C - Circuit arrangement for telecommunications, in particular self-connecting telephone systems : de en
  • DK52593C - Roller Support for Bicycles and Similar Vehicles. : da en
  • FR807706A - Improvement in the lids of furnaces, crucibles and the like : en fr
  • FI17349A - Krimmerliknande vävnad och sätt för framställning därav : en fi
  • GB460022A - Improvements in and relating to tin plate and sheet rolling mills : en
  • GB460025A - Improvements in or relating to machines for perforating statistical record-cards : en
  • DK52586C - Suction gas power plant. : da en
  • CA363538A - Yarn and filament manufacture : en fr
  • FR807831A - 2.6-Dimethyl-naphthalene-1-sulfonic acid and process for its preparation : en fr
  • FR47141E - In-flight variable-pitch propellers improvements : en fr
  • FR807792A - Process for producing photographic layers of silver halide emulsions : en fr
  • GB460062A - Improvements in or relating to spraying apparatus : en
  • GB460108A - An improved aid for rapidly determining the degree of acidity or the ªÐh value of liquids : en
  • GB459907A - Improvements in and relating to synchronous motor clocks and time-operated mechanisms : en
  • GB460014A - Improvements in fuel injection pumps for internal combustion engines : en
  • US2068243A - Window construction : en
  • US2068489A - Reducing dustiness of dusty materials : en
  • US2068366A - Apparatus for waving human hair : en
  • US2068481A - Pump valve : en
  • DE641202C - Process for recording picture sound films : de en
  • CA363589A - Motor vehicle control : en fr
  • FR47136E - Improvements to arch dams : en fr
  • FR807795A - Regulator for electrical quantities with adjustable elastic return : en fr
  • FR807867A - New products or insoluble colored pigments for all applications, and their manufacturing process : en fr
  • FR807836A - Joint for double ladder : en fr
  • US2068363A - Siphon attachment : en
  • FR807812A - Improved method of assembling elements of mechanical parts such as positive displacement pump rotors : en fr
  • GB460085A - Improved device for connecting wheels to gun carriages : en
  • GB460069A - Improvements in or relating to closures for tubes, bottles or similar containers : en
  • DE640976C - Device for storing and mixing the individual components of dental amalgams : de en
  • FI17315A - Method for preparing soil improvers : en fi
  • GB460071A - Improvements in eye shades or goggles for screening the eyes from the lights of approaching vehicles when travelling at night : en
  • FR807703A - Refrigerating apparatus particularly intended for the manufacture of synthetic hydrocarbons : en fr
  • GR6245B - AUTOMATIC BACKGAMMON. : el en
  • FR807670A - Hitch for jerk mine lanes : en fr
  • DK52574C - Terminal flange for encapsulated busbar systems in low voltage systems. : da en
  • FI17308A - Exemption from the obligation to pay prices within the framework of the internal market : en fi
  • GB460070A - Improvements in or relating to method of and apparatus for making and apparatus caps for milk bottles and the like : en
  • DE640978C - Impression compounds, in particular for dental purposes : de en
  • GB460096A - Improvements in frequency changers : en
  • GB460093A - Improvements relating to units for connecting electric cables : en
  • GB459998A - Thermionic valve circuits : en
  • FR47131E - New method of making and securing the soles of shoes and shoes with outer soles of smoked rubber or crepe : en fr
  • DE640964C - Tool for the production of sleeveless metal straps : de en
  • US2067889A - Dental floss applicator : en
  • US2067922A - Method of coating cans : en
  • US2068063A - Door latch mechanism : en
  • US2068307A - Die protector : en
  • US2068159A - Cartridge : en
  • US2067960A - Ethers of dihydric phenols : en
  • US2068010A - Process for the manufacture of acetaldehyde : en
  • US2068184A - Puller for axle shafts and the like : en
  • US2068048A - Filter : en
  • USD102741S - Design for a bottle cap : en
  • USD102826S - Design for a rug or similar article : en
  • GB460191A - Rove stop mechanism for spinning and like machines for the production of yarns or threads of flax, jute and the like : en
  • US2068337A - Train braking system : en
  • CA363591A - Drill jig : en fr
  • DE1395776U - : de
  • US2068118A - Covering material : en
  • US2068635A - Engine fuel : en
  • FR807877A - Preparation and isolation of complex salts of ascorbic acid and its oxidation products : en fr
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  • US2068479A - Potentially reactive synthetic resin film : en
  • FR807805A - Device intended to deflect light rays with a view to producing optical signage of all colors : en fr
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  • GB460083A - A stand for supporting carpets or the like while they are beaten and/or brushed : en
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  • US2068121A - Combined parking meter and advertising device : en
  • US2068397A - Crane construction : en
  • GR6247B - STEMON SAFETY (INSTRUMENT TYPE). : el en
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  • US2068334A - Pipe coupling gasket : en
  • FR807881A - Capping device : en fr
  • FR807825A - Synchronous pendulum with movement reserve and time-setting device : en fr
  • DE641184C - Stone tile and wall plate drill bit that can be used in a drill winch : de en
  • FR807762A - Tempered glass objects and their manufacturing process : en fr
  • FR47114E - Metal formwork process for reinforced concrete eliminating the use of formwork props : en fr
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  • USPP223P - dickson : en
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  • US2068531A - Electromagnetic motor mechanism : en
  • US2068208A - Electrical insulation : en
  • US2068214A - Loose leaf calendar : en
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  • US2068220A - Machine for producing foodstuffs made of dough : en
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  • GB460199A - Improvements in or relating to thermionic valve circuits, particularly for radio transmission : en
  • DE641054C - Process for the production of bodies from ceramic masses o. : de en
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  • US2068300A - Aeroplane : en
  • US2068380A - Safety razor : en
  • US2068468A - Filter : en
  • CA363466A - Hollow body beading device : en fr
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  • US2068316A - Alternating current regulator : en
  • US2068638A - Combined crown and traveling block : en
  • AU100009B2 - Improved glue pot andthe like heater : en
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  • FI17313A - Anordning vid överhettare och dylikt : en fi
  • FR807717A - Method and device for obtaining stereoscopic cinematographic photographs and positives : en fr
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  • US2068422A - Device for effectively quenching the arc : en
  • GB460104A - Improvements in tuyere blocks for furnaces : en
  • US2068470A - Loose leaf notebook, pen, pencil holder : en
  • US2068064A - Shipping container : en
  • US2068484A - Automatic starting system : en
  • FR807779A - Method for adjusting the temperature of an enclosure heated by a heating installation having a high calorific absorption capacity : en fr
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  • US2068003A - Textile process and product : en
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  • US2068009A - Arm rest : en
  • US2067984A - Two-cycle engine load control : en
  • US2068584A - Electric fuse : en
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  • AU100034B2 - Improvements in or relating toa receiving arrangement for clearly distinguishing between signals of different strengths : en
  • DE628741C - Device for preventing vehicles from sliding sideways : de en
  • DE641149C - Shield for neck bearings of centrifugal machines : de en
  • US2068441A - Oil burning device : en
  • CA363562A - Flexible sheet material manufacture : en fr
  • CA363622A - Toy gasolene pump : en fr
  • FR807830A - Process for preparing 2.6-dimethyl-naphthalene-8-sulfonic acid : en fr
  • FR807662A - Transmission pulley for belts with trapezoidal cross-section allowing speed variations on a large scale : en fr
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  • GB459896A - Improvements in or relating to sound recording systems : en
  • GB460077A - Improvements in engine frames for steam, oil, gas or other reciprocating engines : en
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  • US2068183A - Means for applying adhesive to fabrics and the like : en
  • US2068364A - Welt : en
  • US2068460A - Car loading device : en
  • US2068603A - Bookbinding : en
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  • US2068637A - Firearm cleaning accessory : en
  • US2067902A - Air regulating valve for carburetors : en
  • US2068625A - Shaping device : en
  • US2068412A - Superheater unit : en
  • US2068560A - Handkerchief holding device mountable on a bed : en
  • FR807694A - Back-pedal controlled chain shifting hub with automatic locking chain tensioner : en fr
  • AU182236A - Improvements in or relating togas-fired water heaters : en
  • US2068068A - Plate glass surfacing car : en
  • US2068093A - Contact arm for circuit controlling devices : en
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  • US2068539A - Discharge tube : en
  • DE627754C - Variable impedance : de en
  • DE640344C - Articulated boiler : de en
  • DE641098C - Device for optional remote control of switches and similar apparatus : de en
  • CA363502A - Rubber to metal bonding method : en fr
  • US2068312A - Halogen-amino-flavanthrones and process of producing the same : en
  • USD102743S - Design fob a combined place card : en
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  • US2068595A - Gaseous or vapor arc discharge lamp : en
  • DE641002C - Telecommunication cables, especially with high line attenuation : de en
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  • DE641141C - Locking device for the workbench adjustable in the vertical direction between the side parts of the machine, in particular of thickness planing machines : de en
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  • AU100073B2 - Improvements in or relating to electrical power supply systems : en
  • FR807754A - Heels of rubber or any plastic with removable studs for shoes : en fr
  • US2068264A - Can body forming machine : en
  • FR807737A - Installation to obtain a maximum multiple tariff : en fr
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  • FR47120E - Pull-out sliding curtain for mosquito nets or other applications : en fr
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  • GB460075A - Improvements in or relating to protected counters for counting-houses : en
  • GB460044A - Improvements relating to voltage regulation in alternating current distributing systems : en
  • GB460082A - Improvements in or relating to the manufacture of mixed fabrics : en
  • GB460367A - Improvements in manufacture of window envelopes : en
  • US2068065A - Compass controlled circuit closer : en
  • US2068445A - Cutting machine : en
  • US2068371A - Preparation of aralkylaminoanthraquinone compounds : en
  • GB459962A - Improvements in thermostats : en
  • CA363470A - Slime formation prevention : en fr
  • CA363609A - Air circulating and heating apparatus : en fr
  • DK52580C - Procedure for the Preservation of Animal Raw Skins. : da en
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  • AU100027B2 - Process and apparatus forthe gasification of dust or fine-grained fuels with circulating gas : en
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  • US2068402A - Motor-operated mechanism for circuit breakers : en
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  • US2068559A - Single-phase multispeed motor control : en
  • DE640909C - Process for refining silt : de en
  • FR807684A - Keyed assembly device applicable in particular to suspension parts for insulator chains : en fr
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  • US2068283A - Electrical control system : en
  • US2068338A - Brake control system : en
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  • US2068152A - Solderless electrical terminal : en
  • US2068423A - Electric heating unit : en
  • US2068160A - Caster wheel : en
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  • US2068194A - Overall construction : en
  • US2068019A - Thermo nonconducting packing material : en
  • US2068203A - Method and apparatus for manufacturing and fabricating glass wool : en
  • US2068056A - Acid safranine dyestuffs : en
  • US2068573A - Mining machine : en
  • US2067898A - Lubrication : en
  • USD102859S - Design fob a bottle : en
  • US2068382A - Seed planter : en
  • US2068515A - Glass tank feeding shelf : en
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  • US2068325A - Fluid pressure brake : en
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  • US2068361A - Method of working moldable material : en
  • US2067985A - Treatment of waste sulphuric acid and manufacture of sulphate and carbonaceous compositions therefrom : en
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  • US2067970A - Clutch mechanism : en
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  • GB460021A - Improvements in and relating to thickening, stirring or agitating apparatus : en
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  • US2068082A - Laminated glass and process of making the same : en
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  • USD102807S - Design for a paper plate : en
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  • US2068018A - Stoker : en
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  • AU224336A - Improvements connected with steam traps : en
  • US2068342A - Load brake device : en
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  • US2068270A - Thermostatic switch construction : en
  • CA363472A - Rubber finger stall tooth brush : en fr
  • FR807855A - Improvements to polycylindrical liquid pumps : en fr
  • FR807882A - Apparatus for developing photographic and cinematographic films : en fr
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  • FR807780A - Improvements made to piling machines with explosive engines : en fr
  • US2068077A - Pneumatic drying device : en
  • US2068331A - Friction clutch driving mechanism : en
  • GB459877A - Improvements in or relating to shoe bottom pressing apparatus : en
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  • US2068259A - Shutter structure for motion picture machines : en
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  • US2067990A - Pawl and ratchet device : en
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  • FR807845A - Control device for spark plugs in spark ignition engines and other applications : en fr
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  • FR807719A - New Water Insoluble Azo Dyes and Method of Preparation : en fr
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  • US2068485A - Composition for regenerating air for breathing : en
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  • US2068258A - Film gate structure for motion picture machines : en
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  • FR807843A - Process for preparing 1-methyl-naphthalene-7-sulfonic acid and 1-methyl-7-hydroxy-naphthalene : en fr
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  • US2068230A - Radio tube socket : en
  • FR47108E - Improvement in the assembly of vaporizer pumps, sprayers and other small hand pumps : en fr
  • GB459871A - Improvements relating to the lubrication of bearings : en
  • GB459898A - Improvements relating to the construction of boilers for steam generation and water heating : en
  • GB459913A - Pressure indicating device : en
  • FR807734A - Water soluble azo dyes and method of preparation : en fr
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  • FR47103E - Mixture of colloidal bitumen in cement or of cement in bitumen or tars used pure or in emulsions : en fr
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  • US2067999A - Centrifically armed grenade : en
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  • DE641057C - Shift arm : de en
  • GB459915A - Improvements in or relating to valves with a conical obturator : en
  • US2068225A - Air valve for spray guns : en
  • FR807814A - Stop assembly of a cathode ray beam deflected by coils in television transmitters and receivers : en fr
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  • US2068589A - Annular ball bearing : en
  • FR807896A - Improvements to slope measuring-indicating devices : en fr
  • GB459993A - Improvements relating to bottles and like containers and closures therefor : en
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  • US2068420A - Casting machine : en
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  • DE641021C - Glass washing device : de en
  • DE641201C - Support pad for scribing and dressing plates : de en
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  • DE632510C - Two-part spacer clip made of molded insulating material : de en
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  • GB460165A - Improvements in or relating to electric systems for measuring variable quantities such as pressures or the like : en
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  • US2067912A - Bread manufacture and compositions of matter for use in same : en
  • US2068599A - Hammer mill : en
  • US2068108A - Sand testing tool : en
  • FR807710A - Improved control system for lower surface flaps and other aerodynamic braking devices on board flying machines : en fr
  • DE641081C - Process for the production of a photoelectric cell consisting of several sub-cells connected in series : de en
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  • US2067951A - Artificial textile materials and method of preparing the same : en
  • FR807656A - Watch movement racket : en fr
  • GB459882A - Manufacture of vinyl esters : en
  • US2067993A - Vehicle tank structure : en
  • US2068410A - Photographic camera and projector apparatus : en
  • US2068535A - Means for locating cement : en
  • US2068053A - Multiple spinning top device : en
  • US2068261A - Transmitting antenna : en
  • US2068297A - Oestrus-promoting substance from the anterior lobes of the hypophysis and process of preparing it : en
  • DE641093C - Iron bedding spur : de en
  • GB460197A - Improvements in or relating to television and like systems and apparatus therefor : en
  • US2068185A - Automatic clutch : en
  • DE640992C - Dispensing device for liquids containing gas : de en
  • FI17312A - The method of preparation for the production of dihydromorphioners : en fi
  • FR807840A - Process of smelting gray iron in the foundry tank furnace, using heated wind : en fr
  • FR807897A - Rear suspension with independent wheels particularly intended for motor vehicles : en fr
  • US2068318A - Fluid pressure brake : en
  • US2068619A - Tablet-making machine : en
  • DE641200C - Process for the production of adhesives : de en
  • US2068196A - Pump : en
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  • FR807700A - Metallic composition : en fr
  • GB459995A - Improved mountings for ball bearings and methods of assembling same : en
  • DE641158C - Device for receiving diffuse reflected light with the aid of photoelectric cells : de en
  • DE640712C - Clamping device on sharpening and upsetting machines for rock drills : de en
  • US2068123A - Clutch : en
  • US2068357A - Brake and clutch control device : en
  • DK52567C - Gas burner. : da en
  • FI17328A - Förfaringssätt for impregnering av trä : en fi
  • FR47109E - Gear changes combined with a flywheel : en fr
  • FR807761A - Device for sharpening the knives of cutting machines : en fr
  • FR807676A - Improvements to magnetos : en fr
  • GB459980A - Improvements in or relating to composite foils and to the manufacture thereof : en
  • AU3136A - Television synchronising method : en
  • DE641150C - Chamber lock with walls made of sheet piles : de en
  • US2068081A - Art of coloring fruit : en
  • US2068104A - Apparatus for making curved safety glass : en
  • GB460211A - Improvements in cables suitable for the transmission of high frequency electric currents : en
  • GB460102A - Improvements in the production of blocks for hat manufacture : en
  • FR47149E - extendable prop with punch and closed shaft for support work : en fr
  • GB460130A - Improvements in and relating to the insulation of electric conductors : en
  • DE641078C - Arrangement for grid control in AC-fed converting devices with vapor or gas discharge paths, especially converters : de en
  • US2068395A - Filter and heat exchanger : en
  • US2068624A - High voltage bushing : en
  • US2068503A - Lock slider for separable fasteners : en
  • FR807677A - Roller : en fr
  • GB460116A - Soup concentrate and method of manufacture : en
  • FR807835A - Table hockey game : en fr
  • GB460055A - Improvements relating to the tuning of radio receivers : en
  • GB459974A - Improvements relating to intermittent dry-absorption refrigerating systems and apparatus : en
  • US2068330A - Strand handling apparatus : en
  • US2068477A - Furnace : en
  • US2068597A - Device for opening cans : en
  • DE641082C - Black lacquer : de en
  • FR807782A - Tilting device intended in particular for television installations : en fr
  • FR807802A - Automatic and progressive gear change : en fr
  • DE641014C - Short-circuit anchor : de en
  • FR807689A - Construction of concrete pavements for roads : en fr
  • FI17322A - Elektriskt ljusrör för växelströmdrift : en fi
  • GR6235B - GYROSCOPE OF TRIVIS. : el en
  • GR6244B - AUTOMATIC PARADISE FOR INDIVIDUALS AND AIRCRAFT. : el en
  • FR807871A - Improvements to control devices for changes of direction of tracked vehicles, such as tractors, combat tanks, etc. : en fr
  • AU100024B2 - Improvements in wringing apparatus for laundries and the like : en
  • GB459904A - Improved variable speed gear : en
  • US2068469A - Tensioning device for shuttles : en
  • GB459958A - Telephone dial finger wheel : en
  • FI17316A - Fertilization rate for drift of intermittent absorption cold storage : en fi
  • US2067907A - Mirror, process of making same, and composition of reflecting element therefor : en
  • DK52581C - Procedure and Apparatus for Treating Artificial Taverns. : da en
  • GB459953A - Improvements in or relating to reflectors : en
  • US2068162A - Bath mitt handle : en
  • US2068633A - Snap fastener : en
  • FI17345A - Raketdriven kropp and startanordör för densamma : en fi
  • GB459926A - A combined coupling, fixing clamp and pressure tight joint for rubber hose pipes and the like : en
  • GB460117A - Improvements in or relating to vapour burners : en
  • FR807858A - Process for the chlorination of cellulosic materials with a view to removing encrusting materials and extracting cellulose therefrom : en fr
  • GB459928A - Improvements in or relating to footwear : en
  • GB460056A - Improvements relating to seats : en
  • GB460183A - Improvements in or relating to metallurgical processes for the recovery of metals from ores : en
  • GB460188A - Improvements in apparatus for automatic piloting : en
  • US2068332A - Method and means of collecting dust from an air current : en
  • FR807769A - Dialkylaminophosphorfluorides and process for obtaining them : en fr
  • FR807766A - Device particularly applicable as crown holder for funeral monuments : en fr
  • GB460148A - Improvements relating to exhaust gas mufflers : en
  • GB460163A - Improvements relating to the making of electrical connection of electrical circuit elements : en
  • GB460270A - Improvements in or relating to roentgen-ray tubes : en
  • US2067884A - Hinge : en
  • USPP221P - Lobelia : en
  • DE641110C - Process for producing seamless pipes, in particular cable sheathing, on presses : de en
  • DK52582C - Ear protector for use in hair treatment. : da en
  • FR807819A - Process for obtaining the so-called pile or fluff effect of wool or other textiles, in particular of angora wool : en fr
  • GB460129A - Improvements in or relating to holders for cutters and other tools, bars, rods and the like : en
  • GB460131A - Improvements in free-wheel hubs and back-pedalling brakes for bicycles and the like : en
  • US2067997A - Fuel injector for internal combustion engines : en
  • DE641157C - Process for the treatment of cold pre-deformed materials, in particular cold impact wires : de en
  • FR807742A - Altar wall improved for hearths and hearths provided with such a wall : en fr
  • DE641068C - Electric gas discharge lamp with noble gas, in particular helium gas, with positive column discharge : de en
  • US2068113A - Resistance element : en
  • USD102827S - Design for a rug or similar article : en
  • CA363525A - Printing telegraph apparatus : en fr
  • GB459868A - Improvements in or relating to electric circuit-breakers : en
  • US2068014A - Means for measuring yarns : en
  • US2068547A - Dressing case : en
  • DE641199C - Glow cathode : de en
  • GB460136A - Improvements in or relating to devices for supplying air for combustion to open firegrates : en
  • CA363513A - Spark arrester : en fr
  • CA363577A - Piston expander inserter : en fr
  • FR47144E - Belt filter refinements : en fr
  • US2068577A - Compensating circuit : en
  • DE641189C - Circuit arrangement for telephone systems for the automatic activation of amplifiers : de en
  • FI17342A - Fluorescerande skärm : en fi
  • US2068590A - Combined statue, lamp, and loudspeaker : en
  • USD102750S - Design for a washing machine : en
  • DE641180C - Process for the production of molded articles from synthetic resin : de en
  • DE641190C - Process for washing and carbonizing raw wool : de en
  • US2068193A - Nozzle attachment : en
  • DE641023C - Water column machine with reciprocating working pistons, axially one behind the other, with variable power : de en
  • DE641188C - Circuit arrangement for the display of call signs in telephone systems by means of glow tubes : de en
  • DE641132C - Method for the automatic distribution of the total energy generated by several machines of a power plant or by several power plants of a power plant group according to patent 631990 in application to the peak load control of line networks : de en
  • US2067952A - Differential gearing : en
  • US2067998A - Folding box : en
  • FR807672A - Safety stop for doors : en fr
  • FR807759A - Improvements in television processes and devices : en fr
  • GB460118A - Improvements in or relating to frequency control lines, for use in radio transmitters and for like purposes : en
  • FR807826A - New aluminum alloy : en fr
  • GB460059A - Improvements in valves for controlling high pressures : en
  • US2068550A - Refrigerator cabinet : en
  • GB460140A - Improvements relating to the treatment of fibrous materials with liquids : en
  • US2068130A - Self regulating fluid pressure valve : en
  • GB460048A - Improvements in or relating to extending frames for shop window blinds or the like : en
  • FR807685A - Improvements to machine guns and their drum-shaped magazines : en fr
  • DE641058C - Selector for telecommunication systems : de en
  • USD102792S - Design for a glove : en
  • DE641100C - Arrangement for the extensive suppression of the voltage rise or fall during relief in twelve-phase rectifier or inverter systems : de en
  • US2068512A - Copy holder : en
  • CA363592A - Railway car floor protection : en fr
  • US2068394A - Filter and heat exchanger : en
  • USD102752S - Combined penholder and perpetual desk calendar : en
  • AU100010B2 - Improvements in grids for thermionic tubes : en
  • US2068273A - Ophthalmic mounting : en
  • US2068464A - String bean slicer : en
  • US2068075A - Apparatus for nut making : en
  • CA363620A - Saw holder : en fr
  • US2068248A - Relief valve : en
  • USD102854S - Design for a textile fabric : en
  • US2067939A - Automobile ventilating device : en
  • US2068613A - Lock nut : en
  • USD102773S - Design fob a shoe ob similar abticle : en
  • AU100006B2 - Image suppressing circuits for superheterodyne radio receivers : en
  • US2067965A - Thread cutting mechanism : en
  • US2068475A - Air conditioner : en
  • DE641148C - Drive for motor vehicles : de en
  • FR807695A - Portable electric lamp with flexible extendable arm : en fr
  • US2067966A - Electron discharge device : en
  • US2068416A - Hygroscopic actuating element : en
  • US2068553A - Operating mechanism : en
  • AU213336A - A carton or box for containing and displaying confectionery or other goods : en
  • AU4136A - Improvements in or relating to the protection of metallic surfaces against corrosion : en
  • CA363494A - Compressed leather : en fr
  • FI17336A - Ventilation arrangements for central heating systems : en fi
  • FR807866A - Advanced carburetor unit : en fr
  • US2067983A - Kitchen accessory : en
  • USD102795S - Design for a dress : en
  • AU182136A - Improvements in gas-fired water heaters : en
  • US2068005A - Antimony trifluoride preparation : en
  • CA363460A - Hydrogen producing apparatus : en fr
  • CA363519A - Film drive mechanism : en fr
  • US2067909A - Method of and means for removing hair : en
  • USD102737S - Design for a shoe : en
  • GB460037A - Improvements in or relating to wall ventilators : en
  • CA363467A - Coin and time switch mechanism : en fr
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  • GB460035A - Improvements in and relating to the construction of lath and slab and like ceilings,walls, roofs, partitions and like structures : en
  • GB460090A - Improvements relating to mechanism for the control and ignition of the gas supply to burners : en
  • AU129836A - Improvements in grids for thermionic tubes : en
  • US2068266A - Tire valve : en
  • USD102817S - Design for a goblet ok similar : en
  • DE641109C - Device for the optical copying of lenticular films : de en
  • US2067899A - Manufacture of ammonium sulphate : en
  • US2068078A - Musical stringed instrument : en
  • US2068187A - Heat transfer apparatus applicable to water tube boilers : en
  • US2068463A - Starting mechanism : en
  • DE631618C - Hollow heating roller composed of parts for heating webs of paper, cardboard, textile material or the like, primarily intended to facilitate the rolling together of packs of pull fuses : de en
  • GB460284A - Improvements in or relating to circuit breakers : en
  • CA363479A - Igniting system : en fr
  • US2067989A - Window ventilator : en
  • CA363462A - Crushing machine : en fr
  • DE641145C - Device for preventing the bales from sticking together in balers with multiple ties : de en
  • US2068612A - Method of and apparatus for creating an artificial fever : en
  • US2068370A - Inertia operated control device : en
  • US2068374A - Thermostatic switch : en
  • USD102748S - Design fob a spoon : en
  • DE641010C - Mesh shirt : de en
  • US2068557A - Rectifier : en
  • US2068600A - Means for automatically restarting electric motors : en
  • CA363558A - Brake mechanism : en fr
  • FI17339A - Sikt for fiber-reinforced material, isynnerhet for ämnen, som äro avsedda för pappersframställning : en fi
  • GB459955A - Improvements in or relating to boots, shoes or like footwear : en
  • US2067897A - Automatic transmission : en
  • USD102846S - Design for an elastic fabric : en
  • US2068430A - Production of sulphur : en
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  • US2068206A - Bismuth salts of arseno compounds and a process of preparing them : en
  • DK52579C - Electric Heater and Stove. : da en
  • US2068135A - Water level indicator : en
  • US2068210A - Combined brooder, feeder, and exerciser : en
  • US2068111A - Forced air heater : en
  • USPP225P - Hybrid poplak : en
  • US2068110A - Tuning dial : en
  • USD102764S - Design for a knee rest : en
  • US2068015A - Brake head : en
  • US2068133A - Machine for applying or laying flexible sheet material over corrugated surfaces : en
  • US2067917A - Valve : en
  • GB460155A - Improved photo-electric control, particularly for gas-light illumination : en
  • USD102857S - Design for a powder can cap : en
  • DE641064C - Circuit arrangement for private branch exchanges : de en
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  • GB459972A - Process for the production of rubber articles from rubber dispersions : en
  • FR807793A - Process for the production of gas to water using electric current from power plants during periods of low current consumption : en fr
  • GB459869A - Improvements in or relating to metal-clad electric switchgear : en
  • US2068462A - Engine starting apparatus : en
  • FR807740A - multiple scale for multiple measuring devices and instruments and indicators with curved scale holder : en fr
  • GB460084A - Improvements in vises for matrix composing and type line casting machines : en
  • GB460162A - An improved method and apparatus for transmitting, indicating or recording electrically the course shown by the compass of a vessel : en
  • GB459967A - Improvements relating to metal cans and like containers : en
  • GB459906A - Collapsible tyre building drum : en
  • USD102862S - Design for a plate ob similar article : en
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  • CA363586A - Alloy : en fr
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  • FR807757A - Prepayment device operating with a lever coin mechanism or with an automatic coin mechanism moved by the inserted coin : en fr
  • FR807774A - Support device for sterilization of gloves : en fr
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  • GB460151A - Process for the production of benzines from middle oils or crude benzines rich in phenols and olefines by hydrogenation : en
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  • US2068144A - Wrapping machine : en
  • US2068525A - Wringer : en
  • US2067943A - Press mechanism : en
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  • FR47118E - Improvements to mechanically propelled toy vehicles : en fr
  • FI17320A - Högfrekvenskopplingselement : en fi
  • DE640836C - Self-seller with adjustment device for several shafts : de en
  • FR47104E - Device for mounting the selector holders in straight knitting machines with needle selection by weaving mechanism : en fr
  • US2067945A - Method of forming tube connections : en
  • US2068620A - Electrical transmission system : en
  • CA363480A - Dielectric material : en fr
  • DE641001C - Circuit for indirectly heated electron tubes : de en
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  • US2067900A - Knitting machine for manufacture of elastic strips or pieces : en
  • FR807815A - Improvements made to the excavation of the soil for the execution of foundation piles cast in the ground : en fr
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  • FI17334A - Smurjpump med en delad oljeförrådsbehållare ocen en nedanom densamma anordnad, genom en mellanvägg i delrum uppdelad drivlåda : en fi
  • FR807681A - Appliance automatically ensuring the boiling and prolonged cooking of pasta and other mucilaginous matter : en fr
  • GB460128A - Improvements in means for conveying and slicing fuel on furnace grates : en
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  • CA363489A - Fruit juice concentrating apparatus : en fr
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  • US2068538A - Manufacture of filaments or the like of cellulose derivatives : en
  • FR807701A - Internal combustion engine with cylinders mounted in v or in series : en fr
  • US2068516A - Stratified primer charge : en
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  • DE641042C - Heat exchange device : de en
  • GB459943A - Device for retaining garments and undergarments of all kinds for ladies' and men's wear : en
  • FR807876A - Aircraft wing : en fr
  • GB459989A - An improved circuit arrangement for the production of periodic direct current impulses : en
  • DE641009C - Device for collecting gases from sludge digestion rooms : de en
  • GB460004A - Improved sinker and method for plating and reverse plating : en
  • GB460074A - Improvements in bottle capsuling machines : en
  • US2068155A - Machine for making corrugated paperboard : en
  • US2068043A - Presser electrode for electric welding machines : en
  • US2068058A - Handbag : en
  • US2067941A - Water resistant molded articles and method of making them : en
  • US2068150A - Hydraulic brake : en
  • GB459994A - Improvements in fluid controlled clutch and brake mechanism for presses and other machinery : en
  • US2068080A - Air conditioning apparatus : en
  • CA363541A - Railway truck : en fr
  • FR807679A - Improvement in feather-type pens : en fr
  • CA363627A - Bagger for chop or grist mills : en fr
  • USD102775S - Design for a waffle iron : en
  • FR807664A - Internal device for guiding the material to be dried and the air in the dryers for materials with a large surface area, in particular veneer wood : en fr
  • FR807775A - Pharmaceutical stamp : en fr
  • FR807889A - Scraper mat : en fr
  • DE636535C - Rail joint connection : de en
  • DE641142C - Mass feed device for injection molding machines for plastic masses : de en
  • DE641173C - Clamping device for flexible printing plates on the forme cylinder of rotary printing machines : de en
  • GB459921A - Improvements relating to floor-polishing or -cleaning devices : en
  • CA363531A - Roller window screen : en fr
  • AU100003B2 - Electromagnetic wave amplifying devices : en
  • US2068454A - Necktie retainer : en
  • US2068614A - Gas odorant mixture : en
  • USD102780S - Design for a display sign or : en
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  • AU101436A - Improvements in and relating to hand operated washing machines : en
  • CA363585A - Waterproof insulating material : en fr
  • US2068085A - Safety razor : en
  • US2068319A - Brake control : en
  • USD102765S - Design fob a watch bracelet strap : en
  • USD102836S - Design for a reticule : en
  • CA363587A - Windshield wiper : en fr
  • US2068245A - Process of the manufacture of carbureted water gas with heavy oil : en
  • USD102810S - Design for a set of numbering : en
  • US2068632A - Direction indicator switch : en
  • DE641123C - Waste sink : de en
  • DE641140C - Permanent mold for metal casting : de en
  • CA363590A - Rubber heat treating apparatus : en fr
  • USD107120S - Design for a clip or similar article : en
  • CA363560A - Parasiticidal sulphur product : en fr
  • US2067958A - Sanitary toilet appliance : en
  • US2068176A - Wire tightening clip : en
  • US2068224A - Wire fabric making machine : en
  • USD102842S - Design for a bracelet chain : en
  • CA363511A - Bronze powder : en fr
  • USD102766S - Design for a watch bracelet strap : en
  • USD102802S - Design for a refrigerator : en
  • US2067988A - Distinctive paper and method of making same : en
  • US2068571A - Cover for headrests : en
  • GB459981A - Improvements in collapsible doors and shutters : en
  • AU7736A - Improvements in or relating to radio rangefinders andthe like : en
  • FR807772A - Device allowing the removal of the intermediate uprights of sliding glass windows for motor vehicles and others : en fr
  • GB460283A - Process and apparatus for de-hairing hides : en
  • FR807790A - Spraying apparatus for paints and similar materials : en fr
  • FR807854A - Improvements to X-ray equipment : en fr
  • GB459865A - Improvements in or relating to signalling systems and the like, more particularly road traffic signalling systems : en
  • GB460182A - Improvements in or relating to means for controlling air supplies and motors in oil burners, air heaters, mechanical stokers, and other similar apparatus : en
  • CA363500A - Halide solution oxidation : en fr
  • FI17318A - Kopplingsanordning vid automatiska telefonanläggningar : en fi
  • FR807716A - Machine for the vacuum sealing of hermetic containers by means of a pellet or sealing tab applied and fixed to an orifice made in said containers : en fr
  • DE641152C - Spoke for bicycles u. like : de en
  • GB460097A - Improved method of and machine for freezing certain comestibles : en
  • GB460120A - Improvements in and relating to the preparation of upholstery paddings : en
  • US2068268A - Transfer compositions and the printing thereof : en
  • DE641052C - Leg protection shield for motorcycles to be adjusted to the lowest possible air resistance : de en
  • US2067980A - Electrical sound tuning and production system : en
  • US2068540A - Pie container and display support : en
  • FR807886A - Slag crusher for grate fires : en fr
  • USD102843S - Design for a dress : en
  • US2068443A - Means for mounting book refills : en
  • FR807847A - : fr
  • DE641114C - X-ray system for diagnostic purposes : de en
  • FI17323A - Elektrisk glödamppa eller urladdningsrör : en fi
  • US2068501A - End stop for separable fasteners : en
  • DE641090C - Method and device for drying textile goods : de en
  • FR807747A - Improvements to aircraft engines fitted with two parallel crankshafts : en fr
  • US2068546A - Textile fiber and method of waterproofing and strengthening the same : en
  • US2068631A - Preparation of cellulose xanthate solutions : en
  • FR47113E - Shock absorber combined with several degrees of freedom : en fr
  • US2068148A - Shutter awning : en
  • USD102823S - Design for a bottle : en
  • GB460126A - Improvements in or relating to purl knitting machines : en
  • CA363552A - Devulcanized rubber article manufacture : en fr
  • DE641065C - Synchronization control for electric multi-motor drives of work machines : de en
  • DE640817C - Device for grinding vehicle rails with the aid of a grinding wheel acting on the circumference : de en
  • US2068347A - Sanding machine : en
  • DE641174C - Circuit arrangement for signaling in telephone systems with dialer operation : de en
  • USD102800S - Design for a fountain pen or other : en
  • DE641072C - Steering device for caterpillar vehicles, especially excavators or the like. : de en
  • FR807828A - Device for unwinding textile windings : en fr
  • GB460020A - Improvements relating to shock absorbers : en
  • GB459917A - Improvements in fuel valves for internal combustion engines using pulverulent solid fuel : en
  • GB460180A - Improvements relating to the braking of motor vehicles : en
  • FI17346A - Förfaringssätt samt anordning för framställning av all slags cement, t.ex. portland cement and lerjordscement : en fi
  • GB460086A - Improvements in or relating to handbags : en
  • GB460212A - Improvements in or relating to amplifying devices comprising a photoelectric cell : en
  • DE641070C - Device for the production of orthodiographical records : de en
  • FR807722A - Improvements to saddles or seats for motorcycles, cycles, etc. : en fr
  • GB460172A - Improvements in or relating to electrostatic protection bypass members : en
  • US2068103A - Spectacle level : en
  • US2068346A - Means for shaping and transferring substances into receptacles : en
  • GB459978A - Improvements in or relating to heat exchangers for fluids : en
  • US2068260A - Clutch mechanism : en
  • DE1395634U - : de en
  • DE641051C - Self-priming circulation pump with auxiliary fluid : de en
  • USD102840S - Design for a cyclometer clock case : en
  • FR47138E - Group driven by internal combustion engine with automatic start and stop : en fr
  • FR807709A - Furnace for the production of gas and coke : en fr
  • FR807755A - Indicator of acceleration, speed and distance traveled by a vehicle : en fr
  • US2068502A - Lock slider for separable fasteners : en
  • FR807735A - Electric discharge tube : en fr
  • FR807784A - Electrical switch comprising a lamp indicating the location of this switch : en fr
  • US2068438A - Speed change axle : en
  • US2068042A - Piston and piston ring : en
  • FR807817A - Log Truck : en fr
  • FR47127E - Carrying device and coin counter : en fr
  • GB460106A - Improvements in or relating to double ampoules : en
  • FR807691A - Process for producing colloid-free silver halide layers : en fr
  • GB459911A - Improvements in and relating to fasteners for articles of use : en
  • GB460437A - Method of processing leather and apparatus therefor : en
  • FR807850A - Hermetically sealed container : en fr
  • GB459866A - Improvements in or relating to splitting, skiving or like machines : en
  • GB460054A - Improvements in metallic treads for stairs or steps : en
  • FR807900A - Rotary toothbrush : en fr
  • GB460174A - Improvements in conching machines for refined chocolate masses : en
  • US2068051A - Food product : en
  • US2068570A - Rotary pump : en
  • US2068375A - Roller bit : en
  • CA363473A - Hydrocarbon gas polymerisation : en fr
  • DE640920C - Tube foot for Braun tubes : de en
  • FR807682A - Manufacturing process of agglomerated balls without addition of pitch : en fr
  • DE641207C - Process for the production of alumina from an alkali metal alum : de en
  • FR807798A - Aluminum alloy : en fr
  • US2068035A - Packing strip : en
  • US2068322A - Metallurgy : en
  • US2068551A - Dynamo-electric machine control : en
  • USD102762S - Design for a shoe : en
  • US2067930A - Dyeing with vat dyes : en
  • US2068341A - Piston : en
  • US2068097A - Lock for hose couplers : en
  • US2068249A - Control apparatus : en
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  • US2068004A - Method and apparatus for handling type metal : en
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  • AU100055B2 - Improvements in or relating togas-fired water heaters : en
  • CA363596A - X-ray mount : en fr
  • AU108336A - Improved glue pot andthe like heater : en
  • US2068585A - Internal combustion engine : en
  • US2068581A - Circuit controller : en
  • US2068280A - Pack binding construction : en
  • US2068578A - Exercising device : en
  • CA363465A - Photo-electric system : en fr
  • CA363491A - Bituminous body manufacture : en fr
  • DE609068C - Contact wire bus and system for operating the same : de en
  • FR807786A - Contact manufacturing process : en fr
  • GB459957A - Production of road surfacing or like material : en
  • GB460125A - Improvements in concentrating tables for concentrating ores and the like by the wet process : en
  • DE641067C - Device to avoid power oscillations of different electrical machines working in parallel : de en
  • US2068368A - Securing device : en
  • USD102855S - Design for a textile fabric : en
  • USD102856S - Design for a match folder : en
  • US2068091A - Method of recirculating flue gases : en
  • DE641031C - Process for de-enamelling : de en
  • GB460178A - Improvements relating to telephone and like electric signalling systems : en
  • US2068223A - Refrigerator car and the like : en
  • US2068453A - Ascorbic acids and methods of making same : en
  • US2067994A - Tank structure : en
  • USD102788S - Design for a game device : en
  • US2068083A - Underhood record holder : en
  • DE641097C - Process to reduce the induction interference between the parallel lines in broadcast distribution systems : de en
  • DE641171C - Device for cooling lignite and similar loose material : de en
  • GB460058A - Improvements relating to the brake mechanism of motor vehicles : en
  • GB460153A - Single phase induction motors : en
  • DE641033C - Fluid brake for recoil guns : de en
  • US2068032A - Process and apparatus for the manufacture of rayon : en
  • US2068425A - Fluid fuel burner mechanism : en
  • US2068351A - Grid controlled rectifier circuit : en
  • US2067931A - Composition and process for the production of fertilizers : en
  • US2067937A - Treatment of cellulose esters containing colloiding agents : en
  • US2068011A - Transparent display and filing device : en
  • US2068556A - Hand brake : en
  • US2068385A - Safetypin : en
  • CA363571A - Graining method : en fr
  • US2068255A - Scale : en
  • US2068450A - Feed grinder : en
  • US2068576A - Line drop compensation : en
  • USD102759S - Design for a shoe : en
  • CA363516A - Work holder : en fr
  • US2068131A - Refrigerating apparatus : en
  • US2068499A - Apparatus for measuring the concentration of solutions : en
  • US2068339A - Retardation controlled brake : en
  • FR807833A - Device for the treatment of certain respiratory diseases : en fr
  • FI17325A - Vertical electrical connection for heating up to a mirror or gas platform for heating : en fi
  • USD102813S - Design for a tablecloth : en
  • US2068436A - Apparatus for determining the total heating value per unit volume of combustible gases : en
  • US2068393A - Tab : en
  • US2067925A - Composition for etching and etching transfers : en
  • GB459975A - Improvements in and relating to the impregnation of wood : en
  • US2068253A - Means for applying adhesive to wallpaper and the like : en
  • GB460168A - Improvements in and relating to trailer couplings : en
  • US2068054A - Belt-type fishing rod holder : en
  • FR47143E - Process for preparing agents suitable for use as detergents, dispersants or wetting agents : en fr
  • FR807661A - Automatic pump : en fr
  • FR807678A - Special espadrille braid : en fr
  • FR807861A - Vulcanization accelerators and their preparation process : en fr
  • FR807753A - Method and apparatus for the purification of gas generator gas or the like : en fr
  • DK52578C - Electric Discharge Pipe. : da en
  • US2068023A - Sanitary dispenser : en
  • GB460115A - Improvements in or relating to cigarette lighters : en
  • GB460287A - Improvements in and relating to internal combustion engines : en
  • FR807807A - Improvements to electric discharge tubes : en fr
  • US2068137A - Leg bone breaker and tendon puller : en
  • US2068518A - Nebulizer : en
  • FI17333A - Radiator, for car and other engines : en fi
  • US2067890A - Post driver : en
  • US2068045A - Piston pile driver : en
  • US2068079A - Lamp : en
  • US2068190A - Electrical apparatus : en
  • US2068549A - Heat transfer system : en
  • FR807763A - Plane : en fr
  • FR807865A - Defensive weapon : en fr
  • US2068497A - Tracing chart : en
  • FR807860A - Process for obtaining colloidal sulfur in the dry state and at different concentrations : en fr
  • GB460027A - Improvements in the dyeing of cellulose esters and ethers : en
  • US2068191A - Tractor sweep rake : en
  • US2068608A - Shoe clamping device : en
  • DE641024C - Ignition device for gas fireplaces : de en
  • GB460060A - Improvements in or relating to electric incandescent lamps : en
  • GB460293A - Improvements in or relating to expanding horse rakes : en
  • US2068276A - Full fashioned hosiery knitting machine : en
  • US2067955A - Railway rail and rail joint : en
  • US2068038A - Internal combustion engine : en
  • AU100040B2 - Improvements in or relating to high frequency electrical oscillatory apparatus : en
  • DE641007C - Method and device for the production of flakes or flours from seeds containing oil or fat, in particular soybeans : de en
  • DK52584C - Swing hanger suspension for Compasses. : da en
  • GB459888A - Improvements in and relating to masonry walls : en
  • GB460000A - Improvements in spring suspensions for railway vehicles : en
  • GB460294A - Improvements in the measurement or indication of the voltage on high tension conductors : en
  • GR6249B - METHOD OF MANUFACTURING MORE EFFICIENT AND MOST SUITABLE FUEL BY MIXING TWO OR MOST DIFFERENT KINDS AND QUALITY OF FUELS. : el en
  • FR807864A - Improvements to automatic regulators of various effects and in particular to temperature regulators : en fr
  • USD102739S - Design fob a shoe : en
  • DE641022C - Cartridge case for nail guns : de en
  • DE641122C - Process and device for the production of colorless (white) cements : de en
  • DE640883C - Switch with arc extinguishing by compressed gas and multiple interruption : de en
  • USD102744S - Design for a goblet or similar : en
  • US2067936A - Time switch : en
  • US2068401A - Refrigerator car : en
  • USD102772S - Design for a bowl ob similar : en
  • FI17326A - Device for closing the pressure vessel : en fi
  • DE641124C - Liquid fuel burners : de en
  • USD102814S - Design for a rolling door : en
  • USD102847S - Design for a visible coin slot attach : en
  • AU14336A - Improvements in or relating to electrical power supply systems : en
  • DK52569C - Procedure for the Production of Hydrogen Peroxide. : da en
  • FR807738A - Process for the preparation of alcohols, and in particular alcohols containing more than five carbon atoms in the molecule, from the absorption products of alkylene in strong polybasic acids : en fr
  • US2068593A - Fuel delivering device : en
  • DE641112C - One-piece swivel head for electric tilting lamps : de en
  • US2068166A - Welding apparatus : en
  • US2068219A - Water-resistant product and method of making the same : en
  • US2068381A - Railway traffic controlling apparatus : en
  • US2068140A - Septic tank : en
  • US2068199A - Precision machine tool : en
  • US2068246A - Lamp : en
  • US2068415A - Purification of alcohols : en
  • CA363569A - Surface decorating apparatus : en fr
  • FI17343A - Telescopic headboards for the ocean and the fence : en fi
  • FR807730A - Process for producing mechanical records that can be copied : en fr
  • FR807655A - Overheating plates for central heating stoves : en fr
  • US2067926A - Vat dye composition and manufacture thereof : en
  • US2068050A - Antiskid tire : en
  • AU100039B2 - Improvements in or relating to thermionic amplifiers : en
  • FR807749A - Improvements made to insulating joinery panels : en fr
  • US2067982A - Insulating material and method of producing same : en
  • GB460017A - Apparatus for the catalytic treatment, more particularly the purification, of gases : en
  • DE641196C - Electromagnetic rail brake : de en
  • US2068211A - Fly swatter : en
  • USD102860S - Design for a floral container : en
  • US2067959A - Thermostatic controlling apparatus : en
  • AU100075B2 - Methods of and arrangement for transmitting television images : en
  • US2068311A - Method and apparatus for introducing explosive charges into internal combustion engines : en
  • US2068528A - Adjustable ground rail connecter : en
  • DE641040C - Process for the production of shaped patterns on textile fabrics : de en
  • GR6243B - USE OF CELLOIP FOR FACE MAKING. : el en
  • FI17340A - Photographic machine : en fi
  • GB459879A - Improvements in or relating to disinfecting devices for closet-basins, urinals and the like : en
  • CA363588A - Rail steel tie or bridle bar : en fr
  • CA363526A - Hydrocarbon oil processing : en fr
  • AU100045B2 - Method and apparatus forthe construction of reinforced concrete monolithic structures : en
  • AU39736A - Machine for use in dipping fruit : en
  • FR807671A - Refrigeration system comprising the circulation of trichlorofluoromethane : en fr
  • USD102815S - Design for a mechanical man : en
  • AU100051B2 - Improved radio cabinet : en
  • CA363551A - Tire tube : en fr
  • US2068059A - Master feed for duplicating machines : en
  • FI17331A - Potato sorter : en fi
  • GB459901A - Improvements in bradawls and like hand tools for making holes : en
  • DE640952C - Educational toy with hollow, employment-changeable wings composed of light metal profile spars and ribs : de en
  • DE641206C - Process to increase the colorability of natural or regenerated cellulose : de en
  • DE641025C - Continuous step fermentation process : de en
  • FR807857A - Packaging intended, for example, to contain doses of ground coffee : en fr
  • US2068510A - Electrical cut-out : en
  • USD102746S - Design for a knife : en
  • FR807888A - Improvements to television synchronization devices : en fr
  • FR807899A - Method and means for conditioning the atmosphere in railway vehicles : en fr
  • CA363584A - Metal band and sheet rolling method : en fr
  • CA363524A - Printing telegraph apparatus : en fr
  • GB459873A - Improvements in and relating to suspension clamps for overhead conductors : en
  • AU100007B2 - Machine for use in dipping fruit : en
  • DE625363C - Hot water heating system, especially for rapidly and strongly changing heat requirements : de en
  • FR47117E - Air-cooled condenser for washing machines and similar containers : en fr
  • GB459890A - Manufacture of aromatic amines containing the trifluoromethyl group : en
  • DE640975C - Tweezers with gripping jaws bent at an angle, especially for dental purposes : de en
  • DK52591C - Bicycle support. : da en
  • CA363544A - Bolt anchoring unit : en fr
  • US2067883A - Ladle structure : en
  • US2068440A - Collapsible can-shaped display device : en
  • DE641026C - Method and device for degassing brown coal : de en
  • GB459985A - Improvements in or relating to a method and apparatus for coating pipes and the like : en
  • DE641049C - Method for one-sided marking of double-sided threaded nipples, especially for heating elements : de en
  • FR807787A - Electric discharge tube : en fr
  • FR807806A - Control device for rectifier : en fr
  • DE641062C - Circuit arrangement for a connecting line provided with several branch points in telecommunication systems, in particular telephone systems : de en
  • FR807698A - Improvements in the lubrication of twisting spindles in machines used for winding threads and similar materials : en fr
  • DE641118C - Transverse drive body with an upper and lower, thinner-like perforated outer skin : de en
  • US2068588A - Vehicle brake : en
  • FI17335A - Valve : en fi
  • GB460271A - Improvements in or relating to roentgen-ray tubes : en
  • AU100002B2 - Improved cow tail holder : en
  • USD102831S - Design for a hood ornament or : en
  • US2068012A - Shoe rest : en
  • GB459870A - Improvements in and relating to apparatus for tempering glass sheets : en
  • GB459976A - Improvements in or relating to wristlet watch strap fasteners : en
  • GB459900A - Improvements in keyboards or arrangements of sounding bodies for musical apparatus : en
  • GB460002A - Improvements in vacuum cleaners : en
  • GB460124A - Improvements in electric discharge lamps : en
  • FR807879A - Improvements to automatic or semi-automatic telephone systems or similar systems : en fr
  • FR807870A - Intermediate products for the preparation of dyes and their application to the preparation of azo dyes for acetate silk : en fr
  • GB460364A - Improved means for obtaining variable speed control and/or power factor correction with asynchronous induction motors : en
  • USD102821S - Design for a textile fabric : en
  • US2067981A - Cross-over switch : en
  • US2068398A - Refrigerating device : en
  • FR807862A - Laryngophone microphone with adjustable position that can be mounted on a conventional telephone handset : en fr
  • GB459884A - Improved magnetic sound record carrier : en
  • AU2936A - Improvements in or relating to automatic or semiautomatic telephone or like exchange systems comprising digit-translating means : en
  • FR47121E - Method and devices for the projection in relief of objects, or photographs providing relief images : en fr
  • US2068037A - Drawing device : en
  • US2068115A - Piston sealing device : en
  • FR807764A - Nuts for spinning spindles, or any other, controlled by a continuous flexible member in tangential engagement with the nuts of a plurality of spindles : en fr
  • GB459881A - Manufacture of acylated aromatic amines containing the trichlormethyl group : en
  • FR807760A - Multi-layered, light-sensitive material for color reproduction by the subtractive process : en fr
  • GB460063A - Improvements in radiators for the water-cooling systems of internal-combustion engines : en
  • FR807705A - Device for draining condensation water from steam turbines : en fr
  • DE641069C - Electric resistance furnace in which the heating resistors form the inner furnace wall in a self-supporting manner : de en
  • DE641079C - Device for regulating the voltage according to size and phase position in three-phase systems : de en
  • GB460208A - Improvements in or relating to the storage and handling of hydrogen peroxide solutions : en
  • US2068122A - Oil stove or range : en
  • US2068129A - Door handle : en
  • US2068139A - Machine for making stuffing for furniture : en
  • US2068141A - Coating applicator : en
  • US2068218A - Rotary table bushing : en
  • US2068320A - Inductance device : en
  • US2068514A - Engine sludge chamber : en
  • FR47126E - Flat channel roof tile : en fr
  • GB460012A - Improvements in or relating to light sensitive layers for photoelectric cells : en
  • CA363582A - Paper guide : en fr
  • FR807654A - Improvements to telephone or similar systems : en fr
  • FR807789A - Device for heating and quenching rails : en fr
  • GB459965A - Improvements in and relating to ventilators for buildings : en
  • GB460043A - Improvements in and relating to an improved attachment of nozzles, syringes or the like to cold-hot water supply systems : en
  • DE641091C - Process for converting methane into acetylene and other hydrocarbons : de en
  • FR807720A - Process for the treatment by an air stream of coal or other bulk material : en fr
  • US2067894A - Aromatic mercury salts of an oxygen acid of a halogen : en
  • US2068355A - Vulcanization of rubber : en
  • GB459892A - Improvements in couplings for fluid pressure conduits of soot blowers or other apparatus : en
  • US2068383A - Hammer mill : en
  • US2068530A - Corrosion preventing means for connections : en
  • US2068622A - Method of making double cut files : en
  • USD102809S - Design for a shampoo board neck : en
  • DE641094C - Synchronization method for televisions in which line and picture change pulses with greater amplitudes than the picture symbols and are transmitted in the same channel with them : de en
  • US2067961A - Sanitary napkin : en
  • US2067986A - Carton opening device : en
  • US2068296A - Process for the precipitation of copper and for the treatment of substances containing copper and nickel : en
  • GB460146A - Improvements in the manufacture and production of quaternary ammonium compounds : en
  • USD102768S - Design fob a bottle : en
  • US2068149A - Process of purifying and fractionating mahogany sulphonates and products thereof : en
  • US2068250A - Dipping machine : en
  • DK52594C - Valve device in particular for Spray nozzles. : da en
  • FR47115E - Method and battery for firing against aircraft : en fr
  • GB460041A - Improvements in deodorant blocks for disinfecting water closets, basins and the like and for other purposes : en
  • US2068298A - Method and apparatus for operating an internal combustion engine : en
  • US2068388A - Electron tube in a retarding field circuit : en
  • FR807702A - Method and device for leveling concrete road surfaces : en fr
  • FR807783A - Conveyor screw with coreless helical pitch body : en fr
  • FR807898A - Balanced pinion trains particularly suitable for gear reducers or speed multipliers : en fr
  • GB460113A - Improvements in and relating to solders for thin aluminium plates : en
  • GB460160A - Circuit arrangement for interconnecting teleprinters : en
  • US2068431A - Automatic humidifier : en
  • USD102851S - Design fob a textile fabric : en
  • US2067921A - Rotary machine : en
  • US2068244A - Process for the production of castings by the centrifugal method : en
  • CA363612A - Pipe joint sealing device : en fr
  • US2067967A - Vacuum tube conductor : en
  • CA363463A - Staple fibre production : en fr
  • CA363594A - Shoe tap sole : en fr
  • DE641027C - Process for separating suspended particles from gases or vapors : de en
  • GB459997A - Improvements in and relating to fillers and trees for footwear : en
  • US2068094A - Liquid diffusion apparatus : en
  • US2068143A - Cooking and heating range : en
  • US2068292A - Checker brickwork construction for regenerators : en
  • USD102767S - Design for a watch bracelet strap : en
  • GB460175A - Improvements in or relating to telegraph receiving apparatus : en
  • US2068629A - Musical signaling apparatus : en
  • GB460073A - An improved machine for packing finely powdered materials into casks, bags or other receptacles : en
  • GB460099A - Improvements in and relating to the electrical insulation of fine wires : en
  • US2068529A - Grinding machine : en
  • US2068201A - Power saw : en
  • FR807708A - Protection device for machines and devices subjected to high nominal currents : en fr
  • US2068274A - Ironing table : en
  • DE640416C - Method for evaluating a spectral energy distribution : de en
  • CA363512A - Lifting device : en fr
  • CA363547A - Can body manufacture : en fr
  • DE641008C - Sound and image playback device : de en
  • DK52576C - Watt hour meter. : da en
  • CA363607A - Indicator : en fr
  • AU100015B2 - Improvements connected with steam traps : en
  • US2068267A - Storage battery separator protector and plate support : en
  • USD102825S - Design fob a rug or similar article : en
  • US2068534A - Take-up mechanism : en
  • DE641076C - Process for the production of ammonium nitrate-ammonium sulphate mixed fertilizers : de en
  • CA363498A - Pipe construction : en fr
  • DE641056C - Switching device for number or letter signals : de en
  • US2067895A - Knitted article : en
  • US2068277A - Dyeing rayon in cake form : en
  • US2068457A - Bathtub : en
  • US2068299A - Paper article and method of making same : en
  • US2068392A - Lubricating pump : en
  • US2068487A - Pencil and eraser holder : en
  • AU100042B2 - Improvements in or relating tothe manufacture of soles for shoes : en
  • CA363497A - Blowpipe : en fr
  • DE636872C - Protection device for a direct current consumer fed by a rectifier, to which a capacitor is connected in parallel for the purpose of smoothing the current : de en
  • US2068197A - Production of beta-brazin-5, 11-dione : en
  • US2068407A - Packaging machine : en
  • AU100021B2 - A device for giving amusement by means of small aircraft partially sustained by mechanical methods : en
  • CA363581A - Circuit breaker : en fr
  • DE640937C - Power engine, especially steam engine : de en
  • US2068061A - Pneumatic antivibration belt : en
  • US2068505A - Vehicle body : en
  • CA363536A - Insulating material : en fr
  • CA363603A - Turbine : en fr
  • CA363546A - Brake beam support shoe : en fr
  • GB460133A - Grippers for pneumatic tyred wheels, particularly for tractors and the like : en
  • CA363535A - Aliphatic acid concentrating apparatus : en fr
  • DE641146C - Device for developing blueprints : de en
  • CA363505A - Hydrocarbon oil processing : en fr
  • US2068294A - Inorganic colored pigment and a process of preparing the same : en
  • US2067971A - Manufacture of chlorinated rubber : en
  • US2068044A - Emergency brake for sleds or sleighs : en
  • US2068532A - Refrigerator cabinet : en
  • US2068136A - Process of preparing emulsions : en
  • US2068247A - Typewriting machine : en
  • USD102796S - Design for a dress : en
  • CA363595A - Toilet seat : en fr
  • CA363508A - Cellulose production : en fr
  • CA363605A - Reloading tool device : en fr
  • US2068295A - Stroller : en
  • DE641020C - Arrangement of gas lines for buses with generator gas drive : de en
  • FR807794A - Improvements to manufacturing processes for luminescence screens of various shades : en fr
  • GB459885A - Improvements in or relating to hydraulic clutches : en
  • GR6252B - DIFFERENT GIRLS AGAINST DIFFERENTIAL USE. : el en
  • DE641039C - Sulfur dye preparations : de en
  • FR807824A - Oscillating motion automatic sprinkler : en fr
  • DK52571C - Closing mechanism for outflow openings. : da en
  • CA363501A - Bromine extraction : en fr
  • CA363509A - Ore material processing : en fr
  • AU10236A - Method and apparatus forthe construction of reinforced concrete monolithic structures : en
  • US2068354A - Separable fastener : en
  • US2068476A - Oil testing device : en
  • US2067942A - Crown block for a hoisting apparatus for a derrick and means for reeving a compound pulley : en
  • US2068126A - Process for refining motor fuels : en
  • CA363624A - Fermented beverage : en fr
  • US2068519A - Ophthalmic mounting : en
  • CA363573A - Surface decorating apparatus : en fr
  • DE641012C - Device for reversing the direction of travel of vehicles, in particular rail vehicles : de en
  • GB459876A - Means for the distance transmission of indications of water flow in a meter of the disc-and-cone type : en
  • DE640793C - Control device for drive machines of boiler feed pumps with a safety device : de en
  • US2067908A - Process and product for manufacturing leavened bread : en
  • USD102771S - Design for an ashtray : en
  • AU100056B2 - End liners for grinding mills : en
  • CA363537A - Filament spinning method : en fr
  • US2068027A - Process of making glucosides from digitalis purpurea : en
  • CA363476A - Transparent sheet material : en fr
  • US2068360A - Luminous sign : en
  • CA363527A - Anti-knock gasoline manufacture : en fr
  • US2068358A - Stand for display devices : en
  • FR47112E - Machine for lining the edges of metal or other sheets with liquid solder or the like : en fr
  • AU10636A - An improved beer cask cradle for counter use : en
  • US2068511A - Filter : en
  • US2068207A - Wrench : en
  • US2068177A - Anesthetizing apparatus : en
  • CA363506A - Hydrocarbon processing : en fr
  • CA363559A - Lathe : en fr
  • DE641035C - Machine for labeling bottles or the like. : de en
  • CA363604A - Weighing scale : en fr
  • US2067957A - Cinematographic film : en
  • CA363533A - Filter : en fr
  • US2067948A - Bag : en
  • US2067962A - Engraving and copying machine : en
  • USD102769S - Design for an eyecup : en
  • USD102789S - Design fob a sadiron holder : en
  • CA363530A - Coated medicament : en fr
  • CA363580A - High tension rubber insulated cable : en fr
  • FI17314A - Ångpanna : en fi
  • US2068282A - Fluid strainer or filter : en
  • US2068154A - Earthenware body : en
  • US2068204A - Indelible ink : en
  • US2068542A - Gas range burner ignition device : en
  • USD102808S - Design for a paper plate : en
  • CA363477A - Radio signalling apparatus : en fr
  • CA363578A - High tension rubber insulation : en fr
  • FR47124E - Improvements to remote control devices for motor starters : en fr
  • GB460150A - Improvements in or relating to printing telegraph systems and apparatus : en
  • US2068192A - Reflector mounting : en
  • US2067891A - Leg-supporting means for obstetrical beds : en
  • US2068069A - Electric switch : en
  • GB459999A - Improvements in book-keeping sheets for duplicating purposes : en
  • GB460139A - Articles of manufacture comprising plastic materials : en
  • GB460214A - Improvements in or relating to wireless receiving systems : en
  • AU100011B2 - Method and apparatus for gasifying fine coal or dust coal with circulating gas : en
  • FR47137E - Improvement in weaving mechanics for looms : en fr
  • US2067949A - Means for and method of applying color to molded glass articles : en
  • US2068372A - Preparation of aralkylamino-anthraquinone compounds : en
  • US2067893A - Portable projector : en
  • US2068552A - Machine tool : en
  • CA363572A - Surface decorating apparatus : en fr
  • US2068286A - Oil burner : en
  • GB459891A - Manufacture of indigoid dyestuffs of the pyrene series and intermediates therefor : en
  • US2068222A - Emergency repair link : en
  • AU14636A - Methods of and arrangement for transmitting television images : en
  • US2068016A - Method of polymerizing olefins : en
  • US2068359A - Separable fastener : en
  • FR807693A - Fire starter grill : en fr
  • FR807827A - Device for destroying light bulbs : en fr
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  • DE641164C - Process for the production of objects from metal carbides : de en
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  • AU100008B2 - Improvements in and relating to hand operated washing machines : en
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  • GB460057A - Improvements relating to lay-bands or retaining loops for buckles or fastenings for belts, bands or the like : en
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  • US2068565A - Scale : en
  • AU8036A - Improvements in or relating to high frequency electrical oscillatory apparatus : en
  • USD102832S - Design for a dress : en
  • USPP222P - carbaugh : en
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  • CA363478A - Electric lamp and mounting : en fr
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  • US2068182A - Hand covering : en
  • US2068466A - Indicator : en
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  • GB460078A - Improvements in or relating to the production of moulded articles : en
  • US2068175A - Means for lubricating a deep well pump : en
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  • DE641115C - Two-stroke carburetor engine with three pistons working in a cylinder star on a common combustion chamber and controlling the inlet and outlet slots : de en
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  • US2068384A - Insulated container : en
  • US2068634A - Keaction product anb process : en
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  • DE640974C - Induction heater for organic liquids, especially milk : de en
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  • DE640934C - Device on a machine for the production of zigzag-shaped or wave-shaped wound resistance bands from wire for electrical heating devices : de en
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  • USD102784S - Design for a radio cabinet : en
  • FR47130E - Improvements in dielectric materials : en fr
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  • FR807874A - Electric control device for clock bells and other applications : en fr
  • GB459897A - Improvements in and relating to footwear : en
  • US2068057A - Last : en
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  • USD102753S - Design for a combined desk pad : en
  • US2067956A - Cutting stone and the like : en
  • US2068174A - Hair waving method : en
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  • US2068092A - Hay rake : en
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  • DK52577C - Electric Bulb with resilient Base. : da en
  • FR807797A - Mounting device intended to achieve a uniform acoustic reproduction of high and low frequencies : en fr
  • GB460032A - Improvements in or relating to automatic or semi-automatic telephone or like exchange systems : en
  • FI17317A - Refunds and anchoring for the sale or use of water for a period of time, including water : en fi
  • FR807883A - Road surfacing : en fr
  • GB460050A - Improvements relating to carding machines : en
  • GB460203A - Improvements in typographical slug casting machines : en
  • DE641063C - Circuit arrangement for telecommunication systems, in particular telephone systems, with several branch points which can be called optionally and located on a common line : de en
  • FR47150E - Billiards : en fr
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  • US2068405A - Lock : en
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  • US2068239A - Method of molding flexible rubbers : en
  • US2068507A - Handbag : en
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  • FI17348A - Sätt för rengöring av rörledningar : en fi
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  • AU136936A - Improvements in method and apparatus for reproducing sound : en
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  • US2068142A - Automatic transmission : en
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  • GB459903A - Improvements in or relating to the manufacture of filter tip cigarettes : en
  • GB459946A - Improvements in apparatus for delivering liquids and viscous materials : en
  • GB460201A - Improvements in the finishing of textile materials : en
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  • USD102756S - Design fob a shoe or similar article : en
  • USD102829S - Design for a textile fabric : en
  • CA363532A - Coupling : en fr
  • FR807863A - Improvements to interchangeable identification devices for keyboard keys of printing machines, in particular one-design keyboards : en fr
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  • DE641125C - Device for post-drying and cooling of hot, dried brown coal : de en
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  • US2068428A - Settling tank : en
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  • US2068028A - Foldable rack : en
  • CA363492A - Tube and fountain pen barrel manufacture : en fr
  • GB459970A - Improvements in the operation of electric acoustic devices : en
  • GB460145A - Improvements in and apparatus for the manufacture and production of acetaldehyde from gases containing acetylene : en
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  • US2068575A - Phase unbalance meter : en
  • CA363517A - Grinding machine control : en fr
  • CA363619A - Collapsible tube and container : en fr
  • FR807751A - Circuit breaker for aircraft electrical equipment : en fr
  • FR807659A - Newspaper rack : en fr
  • DE641170C - Heel for footwear : de en
  • DE641194C - Process for operating electrostatic precipitators with sprinkled or wetted electrodes : de en
  • FR47102E - Automatic application of gummed paper strips : en fr
  • AU3036A - Image suppressing circuits for superheterodyne radio receivers : en
  • FR807704A - Compounds of the phenanthrenic series and their preparation process : en fr
  • GB460095A - Plate clutches : en