• US1939675A - Fire control apparatus : en
  • US1940139A - Milling machine : en
  • CA337993A - Display apparatus : en fr
  • USD91207S - Design for an ice cream cone : en
  • AU1208033A - Improved automatic control apparatus for liquid fuel burners : en
  • CA338078A - Oil distillation : en fr
  • US1939915A - Heat controlling mechanism : en
  • US1940112A - Milling machine : en
  • US1940424A - Motion picture film : en
  • US1940644A - Typewriting machine : en
  • FR757330A - Four-stroke internal combustion engine with piston pump for supercharging : en fr
  • GB403648A - Improvements in or relating to solid gelled non-drying vegetable oils and compositions containing them : en
  • US1940175A - Method and device for winding a filiform member within a hollow body : en
  • US1939983A - Spring toggle : en
  • US1940310A - Sawing machine attachment : en
  • DE590048C - Holding device for laundry on the bleach : de en
  • US1940119A - Automatic heat regulator : en
  • US1940386A - Apparatus for the control of vibrating generators : en
  • US1940420A - Tool for cutting rivets or the like : en
  • US1940545A - Concrete anchoring device : en
  • FR757042A - Tipping device for skips : en fr
  • US1939971A - Apparatus for dry cleaning : en
  • US1939777A - Bottle protector and heat insulator : en
  • US1939969A - Guide and stop mechanism for window sashes or the like : en
  • US1940322A - Hinge construction : en
  • US1940013A - Method of treating fruit juices : en
  • US1940382A - Adjustable sealing strip for doors : en
  • US1939644A - Chuck : en
  • US1940476A - Textile mechanism : en
  • US1939832A - Stove : en
  • US1940622A - Electric induction furnace method : en
  • US1939720A - Automatic system of motor control : en
  • US1940272A - Foam generator : en
  • US1940329A - Squeegee for windshield swipes : en
  • CA338016A - Tank car underframe : en fr
  • US1940118A - Process of extracting borax from ore : en
  • US1940485A - Door operating mechanism : en
  • FR757283A - Balanced valve refinements : en fr
  • GB403201A - Improvements in the heating of carburettors and the like as used on internal combustion engines : en
  • GB403389A - Improvements relating to seatings, packings and spindle connections for ball type valves and the like : en
  • DE589766C - Process for the production of strong gas in hydrocarbon gas generators with low-temperature degassing : de en
  • FR757076A - Diaphragm valve or regulator : en fr
  • FR757109A - Improvements to hydraulic brakes : en fr
  • FR757049A - Furniture made of elastic materials and can be grouped in piles : en fr
  • CA337943A - Corset fastener : en fr
  • US1939852A - Method of lining gloves : en
  • US1940037A - Lubricating mechanism : en
  • FR757101A - Electric heating process : en fr
  • US1940609A - Vacuum cleaner : en
  • GB403315A - Improvements in water tube steam boilers : en
  • DE590074C - Clothes protection cover : de en
  • US1939767A - Tool for repairing the valve-seats of faucets and the like : en
  • US1939878A - Method of making weather stripping : en
  • US1940061A - Draft connection : en
  • US1939994A - Lubricating oil : en
  • US1939680A - Voice operated circuit : en
  • DK48164C - Shrimp Preservation Procedure. : da en
  • FR757215A - : fr
  • FR757311A - Machine for making hollow bodies of cement mortar, whether fibrous or not, or other similar materials, for coating metal pipes with plastics, and for applying metal reinforcements under tension to hollow bodies : en fr
  • GB403218A - Improvements in and connected with the forming of reinforced or strong and true internal angles of walls of buildings : en
  • USD91223S - Design for a bug : en
  • USD91225S - Design for a casing fob weighing : en
  • FR757128A - Improvements to superheaters for locomotive boilers : en fr
  • GB403312A - Improvements in or relating to fluid heaters : en
  • DE589916C - Process for obtaining oxygen-enriched mixtures from air : de en
  • FR757087A - Light fitting for road vehicles : en fr
  • FR757132A - Ashtray for smokers : en fr
  • US1939735A - Method of making chain links : en
  • CA338023A - Hydraulic brake : en fr
  • US1940213A - Knockdown paper box with cover : en
  • US1940029A - Electron tube : en
  • US1940482A - Lighting fixture : en
  • USD91189S - Design fob a griddle iron : en
  • US1940219A - Garment or ironing press : en
  • GB403222A - Manufacture of azo-dyestuffs : en
  • US1940611A - Method of separating alkali metal : en
  • US1939875A - Cable : en
  • US1940228A - Radio-amplifying circuits : en
  • GB403214A - Improvements in or relating to metal rail keys for securing permanent way rails in the rail chairs : en
  • FR757342A - Process for the manufacture of sulfated ammonium nitrogenate : en fr
  • US1939910A - Brake application and release valve device : en
  • US1940621A - Milk cooler : en
  • DE590046C - Washing device : de en
  • DE589992C - Self-collecting billiards : de en
  • FR757176A - : fr
  • GB403255A - Improvements in or relating to the treatment of vegetable fibrous materials : en
  • GB403311A - Device for cleaning grooved rails : en
  • US1939742A - Quick change battery container and clamp : en
  • US1940323A - Method of assembling spark plugs : en
  • US1940549A - Laundering apparatus : en
  • FR757044A - Oscillating, hermetic and thermostatically controlled quartz support : en fr
  • FR756912A - Liquid dosing and dispenser : en fr
  • GB403185A - Improvements in or relating to devices for controlling the clutches of motor vehicles : en
  • DE589878C - Automatic trailer coupling with a pincer-shaped coupling element, especially for motor vehicles : de en
  • DE589899C - Chain contact line for retensionable contact wires : de en
  • FR756964A - Motion transmission device : en fr
  • FR757070A - Arc lamp refinements : en fr
  • FR757081A - : fr
  • CA337944A - Spraying apparatus : en fr
  • US1940519A - Frequency converting radioreceiver : en
  • FR757296A - Multi-way valve for the pneumatic control of the gear shift mechanism of a motor vehicle at both ends of the latter : en fr
  • FR757327A - Typographic font and its constituent elements : en fr
  • US1939947A - Color film and method of making same : en
  • CA337914A - Loading device : en fr
  • DE589926C - Body bag : de en
  • DE589911C - Jig for pipes or the like to be welded in the longitudinal seam. : de en
  • US1940525A - Electric switch device : en
  • FR757120A - Device for converting an alternating current of given frequency and number of phases into an alternating current of different frequency and number of phases : en fr
  • FR756944A - Improvements in focusing devices for cameras and projectors : en fr
  • CA337928A - Magneto collector ring : en fr
  • US1939950A - Tractor : en
  • US1939664A - Cushion wheel : en
  • US1940158A - Motor mount for milling machines : en
  • USD91218S - Design fob a rug : en
  • US1939755A - Crown hoist : en
  • US1940334A - Moving vane instrument : en
  • US1940389A - Looper mechanism for sewing machines : en
  • DE590088C - Device for winding and unwinding film strips : de en
  • US1940269A - Automatically controlled article coating apparatus : en
  • US1940298A - Fuel injection apparatus : en
  • FR756983A - Improvements made to drain devices for sinks, washbasins, etc. : en fr
  • GB403155A - Improvements in or relating to electro-optical apparatus : en
  • FR756913A - Footwear making improvements : en fr
  • DE589951C - Electromagnetic multiple armature relay : de en
  • US1939726A - Reproduction of sound : en
  • US1940144A - Overseaming machine : en
  • US1940572A - Welding electrode : en
  • US1940169A - Hoe and weed cutter : en
  • US1940305A - Method of making rear axle housings : en
  • US1940313A - Tobacco can elevator : en
  • FR756961A - Improvements to solid fuel carbonization processes at low temperatures : en fr
  • GB403338A - Improvements relating to the crank chambers of internal combustion engines : en
  • US1940430A - Peg for holding tents or hangars or for anchoring aircraft and the like : en
  • FR757121A - Folding buffet table : en fr
  • FR757241A - Extendable and adjustable axle for wheelbarrows and other vehicles : en fr
  • FR757046A - Breech box for rifle : en fr
  • DE589894C - Process for the production of a set for degassing ovens, in particular from badly baking bituminous coal : de en
  • FR757142A - Process for closing tubes of malleable metal intended to contain liquid or pasty products or other similar applications and tubes conforming to those obtained by this process : en fr
  • FR757143A - Sheath-corset-bra combination : en fr
  • GB403943A - Improvements relating to jaw or toothed clutches : en
  • GB403151A - Improvements relating to the manufacture of transmission belting or the like : en
  • US1940180A - Brush for putting on tooth paste, cream, and the like : en
  • GB403140A - Improvements in and relating to means for fixing net hoops used on net-ball uprightsor for fixing other holdfasts used in sporting apparatus : en
  • US1939803A - Rotary fountain : en
  • US1940279A - Weather stripping for windows : en
  • US1940309A - Box : en
  • FR757245A - Parachute training : en fr
  • GB403619A - Improved means for locating, and communicating with, sunken ships : en
  • US1939844A - Emergency valve mechanism : en
  • FR757272A - Hydraulic adjustment : en fr
  • US1939923A - Fruit pitting machine : en
  • GB403358A - Case or holder for cigarettes and cigars : en
  • US1940109A - Ice cream and process of making the same : en
  • USD91184S - Design fob an airplane : en
  • US1939760A - Means for suspending porcelain insulators : en
  • US1940442A - Label holder and method of making the same : en
  • US1939936A - Pipe joint : en
  • GB403335A - Improvements in and relating to radial flow elastic fluid turbines : en
  • DE589946C - Process for the catalytic production of saturated high molecular weight secondary aliphatic alcohols : de en
  • DE589542C - Pneumatic tube system with electrical contact between sockets and driving tube : de en
  • US1940065A - Separatrion and purification of ortho, meta and para xylene : en
  • CA337961A - Rubber-set brush : en fr
  • US1940394A - Process for breaking petroleum emulsions : en
  • US1940124A - Cage for antifriction bearings : en
  • US1940366A - Loom : en
  • US1940555A - Airplane : en
  • DK48151C - Selectivity device for Radio receivers. : da en
  • FR757305A - Central heating system allowing hot water withdrawal : en fr
  • DE589939C - Process for the manufacture of tennis rackets : de en
  • US1940371A - Apparatus for heating gases : en
  • US1940613A - Protective coating composition : en
  • DE589922C - Device for Pó� measurement according to the compensation method with a voltage divider as a measuring bridge, against which the voltage of the electrode system is compensated : de en
  • CA338035A - Carpet loom : en fr
  • CA338031A - Bread wrapping machine : en fr
  • US1939868A - Grate : en
  • US1940440A - Operation of internal combustion engines : en
  • US1939813A - Solderless wire connecter or clamp : en
  • US1940575A - Fuse switch : en
  • US1939649A - Fountain pen : en
  • US1939658A - Leak lock : en
  • US1940238A - Draft rigging : en
  • US1940239A - Heating apparatus : en
  • US1939702A - Machine for producing justified groups of impressions : en
  • US1940006A - Loose-leaf binder : en
  • US1940450A - Protector clip for use in hair waving operations : en
  • US1940589A - Soluble cellulose esters of higher fatty acids : en
  • DE589778C - Process for the production of oversulfuric acid esters of the higher molecular weight aliphatic alcohols with more than 8 carbon atoms : de en
  • US1939974A - Clutch mechanism : en
  • GB403633A - Improvements in or relating to lamp shades for billiard tables : en
  • CA338065A - Spring assembling machine : en fr
  • US1939821A - Transfer and method of making the same : en
  • US1939848A - Resilient motor support : en
  • CA337950A - Magnetostrictive vibrator : en fr
  • FR756921A - Improvements to cleaning products : en fr
  • US1939831A - Die casting machine : en
  • DE589927C - Device for mixing goods : de en
  • FR757234A - Process for the preparation of purified lubricating and resistance oil from used oils, by centrifugation : en fr
  • CA338011A - Ammonia oxidation : en fr
  • US1940289A - Watch : en
  • US1940377A - Flooring : en
  • CA337913A - Yarn bobbin : en fr
  • US1940073A - Art of sulphating olefines : en
  • US1939768A - Centrifugally cast product : en
  • US1940435A - Bobbin-winding device for sewing machines : en
  • GB403292A - Improvements in and relating to weaving looms for continuous weaving in which the weft is inserted by means of pirnless shuttles : en
  • GB403362A - Complete and continuous change speed and drive gear : en
  • FR757217A - Sugar distributor for all public or private establishments : en fr
  • US1940314A - Spark plug electrode : en
  • DE589944C - Apparatus for tempering fermenting liquids : de en
  • GB403145A - Electric watch : en
  • US1939650A - Furnace wall : en
  • US1940048A - Adjustable holder for partitions : en
  • US1940062A - Defrosting attachment for transparent bodies : en
  • US1940099A - Safety self-closing vehicle door hinge : en
  • US1940297A - Link belt : en
  • DE554795C - Voice coil for electrodynamic loudspeakers : de en
  • DE589938C - Flexible engine mounts for motor vehicles : de en
  • US1939836A - Apparatus for flushing water cooling systems : en
  • GB403274A - Improvements in lubricating systems : en
  • CA337964A - Painting brush device : en fr
  • FR757065A - Improvements made to the assembly and adjustment of the sound box in tape phonographs : en fr
  • FR757308A - Improvements made to rolling doors, especially for buildings : en fr
  • GB403685A - Improvements in acoustic diaphragms and method of making the same : en
  • GB403193A - Improvements in or relating to methods of and means for treating rolled tea leaf : en
  • US1940085A - Device for filling the receiver of pipe presses, particularly of lead cable presses : en
  • US1940523A - Chair : en
  • US1940643A - Vehicle brake : en
  • DE589950C - Hollow sleeper with vertical central bar : de en
  • FR756927A - Rangefinder with invariable tilt of the observer's gaze direction : en fr
  • US1939781A - Pivoted and sliding casement : en
  • FR757006A - Mercury vapor rectifier with separately mounted mercury vapor vacuum pump : en fr
  • GB403345A - Improvements in direct-acting steam and other fluid-pressure pumps : en
  • FR757236A - Insulating and fiexible sole for shoes : en fr
  • GB403348A - Improvements in microscope stands : en
  • US1940349A - Engine starting mechanism : en
  • FR757124A - Antioxidants : en fr
  • GB403316A - Hydraulic safety device for preventing too high speeds of internal combustion engines : en
  • US1939659A - Gum inhibitor for hydrocarbons : en
  • CA337938A - Lubricating device : en fr
  • GB403650A - Improvements in or relating to soap : en
  • FR757095A - Balanced amplifier : en fr
  • FR757167A - Turbine wheel mounting device : en fr
  • DE590127C - Electric discharge lamp with two discharge paths connected in parallel to the same power source via ballast resistors : de en
  • US1940565A - Collapsible stand : en
  • CA338034A - Liquid fuel stove : en fr
  • FR757337A - Spark plug eliminates fouling due to carbon deposits on the part of the insulation in contact with the gases : en fr
  • FR756922A - Process for the resolution of hydrocarbons by means of catalysts : en fr
  • DE589897C - Paper cutting machine with automatic spring compression : de en
  • US1940641A - Garment or ironing press : en
  • US1940317A - Oil filter element : en
  • FR756938A - Swimsuit : en fr
  • USD91200S - Design for a textile fabric : en
  • DE589786C - Rotary piston machine with liquid piston : de en
  • FR757075A - Electrode arrangement : en fr
  • FR756946A - Method for synchronizing transmitters operating on a common wave : en fr
  • DE590014C - Metal bead strip for intermediate hoods of motor vehicles : de en
  • FR757157A - Removable binding device and albums, notepads and the like having application : en fr
  • FR757315A - Removable device for assembling electric accumulator plates and their diaphragms and separators : en fr
  • GB403350A - Improvements in or relating to adjustable spanners : en
  • FR757018A - Improvements to devices for controlling the fuel and air supply of supercharged internal combustion engines : en fr
  • FR757011A - Method for producing ultra-short waves by periodically exciting several conductors by means of oscillations of electrons between said conductors : en fr
  • GB403329A - Improvements in or relating to radio receivers and the like : en
  • DE589915C - Line shift wheel clutch : de en
  • FR757037A - Cooling devices for internal combustion engines : en fr
  • FR757306A - : fr
  • DE589979C - Switching arrangement for connecting extra-low voltage high current sources with their consumers : de en
  • FR756985A - Improvements to hydraulic shock absorbers : en fr
  • DE590042C - Looper thread dispenser for sewing machines for the production of a two-thread chain stitch seam : de en
  • DE590044C - Stiffening insert for soft stand-up collars : de en
  • DK48179C - Device by Modulators in Superheterodyne receivers or similar. : da en
  • DE590121C - Mold for machines for casting stereotype plates : de en
  • GB403195A - Improvements in or relating to the saddles of motor cycles : en
  • FR757015A - Pump to be connected to a piston motor : en fr
  • FR757064A - Split wing : en fr
  • CA338046A - Microplone control : en fr
  • US1940076A - Bottle washer and sterilizer : en
  • DE590052C - Process for the production of carboxylic acid esters : de en
  • DE590130C - Process for the elimination of joints that occur when the electrical heating elements installed on the inside wall of the oven are installed : de en
  • FR757298A - Device for controlling a gear change for motor vehicles, particularly for railway and tram motor cars, using a pressurized fluid : en fr
  • FR757040A - Process for the preparation of mineral oil powders : en fr
  • FR757092A - Electro-acoustic signaling device for use in industrial vehicles : en fr
  • FR757261A - Potato plucking, sorting and collecting machine : en fr
  • US1940102A - Resistance : en
  • US1940287A - Box and crate : en
  • US1940514A - Bathing device : en
  • CA338003A - Refractory article production : en fr
  • FR757119A - Improvements to electrolytic cells : en fr
  • FR757158A - Automatic diffuser device for special sanitizing perfumes : en fr
  • GB403229A - Improvements in means for supply webs : en
  • GB403307A - Improvements in electric water heaters : en
  • GB403689A - A new or improved conveyor apparatus : en
  • GB403228A - Improvements in or relating to interlocking toy building blocks : en
  • US1940616A - Excavator : en
  • US1939984A - Article securing pin : en
  • US1940522A - Cooling system and cylinder head construction : en
  • US1939643A - Screw thread gauge : en
  • US1939965A - Stencil printing machine : en
  • US1940049A - Machine having pistons and cylinders arranged around a circumference : en
  • US1940608A - Figure toy : en
  • US1939873A - Liquid sampling and testing device : en
  • DE590132C - Process for the preparation of leuco-sulfuric acid esters of the anthraquinone series : de en
  • US1940181A - Vacuum tube circuits : en
  • FR757032A - Improvements in printing apparatus for cinematographic films bearing sound recordings : en fr
  • GB403391A - Improved method of and apparatus for raising natural oils and other liquids by gaseous pressure : en
  • FR757256A - Apparatus for the manufacture of tubular articles, in particular casings for bodies in the form of cords or tubes, tubular yarns for textiles, etc., and for woven or knitted fabrics made of tubular yarn : en fr
  • FR757141A - Toy : en fr
  • US1939820A - Broach : en
  • US1939829A - Method and means of radiography : en
  • US1940328A - Box picture frame : en
  • US1940554A - Method and apparatus for manufacturing ceramic bodies : en
  • GB403296A - A method of and apparatus for grooving worn rubber vehicle-tyres : en
  • US1940284A - Protective cooling system for thermionic apparatus : en
  • US1940301A - Shaft bearing : en
  • DE590058C - Wear-resistant and corrosion-proof cast iron : de en
  • FR757052A - : fr
  • GB403215A - Improvements in or relating to the supply of wires e.g. filaments for electric lampsor discharge tubes, towards a point of operation : en
  • FR757266A - Vaporization device for central heating : en fr
  • DE589995C - Process for the extraction of animal or vegetable substances in powder form : de en
  • DE590103C - Device for the execution of the process for the production of pressed parts from synthetic resin : de en
  • GB403303A - Improvements in folding chairs : en
  • US1939837A - Humidifier material : en
  • US1939846A - Artificial turf and method of making the same : en
  • DE589962C - Method and device for regulating the amount of liquid vapor of a desiccant in drying apparatus when using a temperature which exceeds the boiling point of the liquid : de en
  • FR756908A - Ball bearings, deep grooves, roller and needle bearings with removable rings, in two or more parts : en fr
  • GB403323A - Improvements in and relating to electric lamps and like devices : en
  • US1939806A - Process for making a chain structure : en
  • US1940041A - Process and product for preventing rust and corrosion : en
  • DE589830C - Arrangement for generating tilting vibrations using a charging tube, especially for mains connection operation : de en
  • FR756975A - Massage instrument : en fr
  • US1939792A - Can piercing and dispensing device : en
  • CA338009A - Loom mechanism : en fr
  • US1939785A - Color photography with large aperture lenses : en
  • DE590140C - Engaging and disengaging device for clutches for transmission shafts : de en
  • US1940079A - Powder can top : en
  • US1940275A - Cam lock : en
  • US1940583A - Window shutter : en
  • FR756911A - Improved process for the treatment of substances containing proteinaceous matter : en fr
  • FR757136A - Device for complementary filtering of spinning solutions : en fr
  • GB403186A - Improvements in or connected with spare petrol tanks for motor cars and other petroldriven road vehicles : en
  • GB403132A - Improvements in supporting and operating steering wheels of motor vehicles : en
  • US1940444A - Automobile body and top : en
  • USD91206S - Design for a rug : en
  • CA337908A - Carbureter : en fr
  • GB403356A - Improvements in and relating to methods of and apparatus for electrical distribution : en
  • GB403337A - Improvements in articulated ankle joints for artificial feet : en
  • GB403680A - Improvements in and relating to the control of mixed power installations : en
  • FR756916A - Scaffolding support, adjustable safety device : en fr
  • US1940241A - Combined washing, rinshing, and drying machine : en
  • GB403298A - Improvements in or relating to thermionic valves : en
  • CA337935A - Humidifier for radiators : en fr
  • US1940511A - High voltage conductor : en
  • GB403181A - Improvements in fluid pressure reducing and regulating valves : en
  • GB403236A - Improvements in igniting devices for furnaces : en
  • US1939701A - Vehicle brake : en
  • US1940652A - Catalytic process for obtaining valuable refined hydrocarbon oils from heavier unrefined products by the action of high pressure hydrogen : en
  • GB403642A - Improvements in apparatus for treating substances by means of the action of a fluid : en
  • FR756917A - Cathode ray tube : en fr
  • FR756942A - Improvements to cinematographic projectors : en fr
  • FR756918A - Vulnerable plaster consisting of a polymerizate of unsaturated organic matter : en fr
  • GB403649A - Improvements in or relating to humidifying apparatus : en
  • US1940508A - Kydraulic system : en
  • DE589639C - Process for the production of nitrogenous cow dyes : de en
  • FR757247A - High frequency winding with adjustable self-induction : en fr
  • FR757293A - Advanced hinge : en fr
  • US1940604A - Fish lure : en
  • DE590124C - Process for the production of connection points in the insulation of electrical conductors : de en
  • US1939761A - Flexible pocket receptacle : en
  • US1940218A - Cellulose ester : en
  • US1940457A - Operating mechanism : en
  • US1940490A - Ornamental device for radiator caps : en
  • CA338040A - Thermionic tube energizing means : en fr
  • FR757080A - Raw salt purification process : en fr
  • FR757273A - Hydraulic safety device preventing any inadmissible increase in the speed of the internal combustion engine : en fr
  • CA338062A - Patterned rug : en fr
  • US1939987A - Adjustable elbow for furnaces : en
  • US1940588A - Bathroom structure or the like : en
  • AU1568333A - Improvements in or relating to coupling arrangements for high frequency amplifiers infrequency multiplication devices : en
  • US1940094A - Pencil case : en
  • DE590034C - Process for the automatic maintenance of a certain viscosity of the heating oil flowing into a burner system : de en
  • US1940199A - Dust extractor : en
  • US1940229A - Button feeding attachment : en
  • FR756902A - rapid safety scaffolding for large facades : en fr
  • FR757148A - : fr
  • FR757102A - Improvements in means for chopping food or other materials : en fr
  • GB403645A - Improvements in the manufacture of artificial products : en
  • US1939839A - Refining of mineral oils by means of alloys or loosely bound compounds of alkali metals : en
  • US1940413A - Rivet : en
  • FR757107A - Process for preparing raw materials for the manufacture of cement : en fr
  • FR757295A - Spinning glue machine with gas heater : en fr
  • GB403174A - Improvements in or relating to plug-and-socket connectors, switches, fuses and the like : en
  • DE589854C - Sliding window with non-sliding side panels and center panels running horizontally on concealed rollers : de en
  • GB403278A - System and apparatus for extinguishing a fire : en
  • DE589965C - Machine for the production of corrugated wire mesh : de en
  • FR757238A - Device for polishing shoe heels : en fr
  • DE589953C - Air jet impact shredder : de en
  • CA337953A - Bag sealing apparatus : en fr
  • FR757318A - Machine for classifying, sorting or separating automatically sheets, plates or other objects or products according to their weight : en fr
  • GB403420A - Improvements in cocks or valves, and the method or process of manufacture thereof : en
  • DE502663C - Process for the production of light-sensitive layers with diazo compounds which produce a positive image from a positive : de en
  • FR756910A - Apparatus for withdrawing milk from milk jugs : en fr
  • GB403199A - Improvements in variable pitch propellers : en
  • GB403241A - Improvements in or relating to super-regenerative circuit arrangements : en
  • GB403289A - Method of manufacturing ammonium-trinitrate : en
  • US1939900A - Dispenser : en
  • US1939715A - Sterilizer : en
  • US1940459A - Means for manufacturing soda ash : en
  • FR757312A - Ski attachment : en fr
  • FR757225A - Cadmium yellow manufacturing process : en fr
  • DE590097C - Method and device for separating the hop resins from beer : de en
  • FR757303A - Reinforced wooden trays and their reinforcing bars : en fr
  • GB403275A - Improved device for taking photographs with the aid of a source of flash light : en
  • US1940028A - Fluid type circuit maker and breaker : en
  • US1940290A - Opaque illuminator for microscopes : en
  • US1939646A - Furnace wall : en
  • US1939908A - Heating system for incubators : en
  • US1940531A - Feeding mechanism for roughage grinders, ensilage cutters, and the like : en
  • FR757331A - Lubrication system for elastic drive mechanisms : en fr
  • GB403134A - Improvements in ratchet and pawl mechanism such as for deriving rotary motion from reciprocating motion : en
  • DE589977C - Rail crack detectors : de en
  • FR757239A - Thermostat for gas fireplaces : en fr
  • US1939663A - Multiple fuse : en
  • DE589925C - Rest furniture : de en
  • AU1057332A - Improved treatment of fabrics to increase resistance against wear : en
  • GB403413A - Improvements in and relating to connections or couplings for tubular bodies : en
  • US1939857A - Electric hand lantern : en
  • US1940002A - Fountain brush : en
  • US1939992A - Method and apparatus for recording and reproducing sound : en
  • US1940265A - Agent and process for drenching skins : en
  • US1940418A - Buckle : en
  • US1940594A - Suction box : en
  • GB403249A - Improvements in or relating to wall and ceiling coverings, tiles, slabs and the like : en
  • CA338004A - Refractory article production : en fr
  • CA337937A - Sulphur and iron oxide recovery : en fr
  • USD91208S - Design for a clock or similar : en
  • US1939681A - Magnetic plate attachment for planographic presses : en
  • US1940318A - Fan blade : en
  • US1940402A - Singly curved shells for the construction of roofs : en
  • US1939958A - Vegetable hiller : en
  • CA337959A - Sign reflector : en fr
  • US1939870A - Electric generator regulator for motor vehicle electric systems : en
  • US1940053A - Yellow and orange colored vulcanizate : en
  • DE589981C - Electric bicycle light with power source : de en
  • US1939981A - Liquid dispenser : en
  • DE590111C - Tripod mount : de en
  • GB403294A - Steel casement window frame : en
  • US1939772A - Method of making a welded pipe joint : en
  • CA337984A - Ultraviolet ray tube : en fr
  • DE590128C - Moisture-proof electric heating pad : de en
  • GB403176A - Improvements in and relating to flower pots : en
  • US1939661A - Sole roughing machine : en
  • US1939879A - Window guide channel and method of making same : en
  • US1940135A - Coupling tube for inhalators : en
  • US1940368A - Connecter for neon tubes : en
  • CA338064A - Spring assembling machine : en fr
  • US1939736A - Production of acetic acid and glucose : en
  • US1940145A - Method for the manufacture of rubber tubing : en
  • US1940640A - Refrigerating apparatus : en
  • USD91186S - Design for an embossed transparent : en
  • US1940412A - Spout equipped box : en
  • US1939721A - Mailing envelope : en
  • US1940446A - Dbaft gear : en
  • USD91197S - Design fob a textile fabric : en
  • US1940110A - Lubricating system for worm and worm wheel drive : en
  • CA338027A - Tool : en fr
  • GB403385A - Improvements in and relating to material in sheet form adapted for use as roofing and otherwise for structural purposes, and troughs, pipes and other articles formed with the aid of asbestos cement mixtures : en
  • US1939770A - Pipe forming machine : en
  • US1940120A - Electric switch and arc extinguishing apparatus : en
  • US1940340A - Electrical prospecting : en
  • CA338010A - Coating for iron and steel : en fr
  • US1940469A - Brake : en
  • US1940537A - Latch mechanism : en
  • DE590090C - Anti-skid holding device for twin wheels with pneumatic tires for motor vehicles : de en
  • FR757297A - Freewheel clutch mechanism for transmission of high loads : en fr
  • GB403169A - Improvements in and connected with the treatment of timber and other substances containing moisture : en
  • US1940582A - Vulcanizing press : en
  • CA337999A - Concrete cage making machine : en fr
  • FR757320A - Improvements to devices used for disgorging sanitary appliances : en fr
  • FR757333A - Product to make non-flammable electrical circuits and other materials and its manufacturing process : en fr
  • US1939733A - Lighting system for toy automobiles : en
  • US1939903A - Apparatus and method of obtaining lighting of luminescent tubes : en
  • US1939801A - Valve : en
  • US1940019A - Slotter : en
  • DE589913C - Manufacture of metal phosphates : de en
  • DE589932C - Friction wheel change transmission with friction wheels rolling between ring grooves having friction disks : de en
  • DE589941C - Device for storing cloakroom : de en
  • DK48152C - Automatic Gear Coupling Device. : da en
  • FR757169A - : fr
  • GB403379A - Improvements in or relating to means for regulating the output of prime movers of electric generating plant : en
  • CA338066A - Glass pane : en fr
  • FR757243A - : fr
  • FR757129A - Road roller with liftable transport trolley : en fr
  • US1939647A - Method of impregnating porous materials : en
  • US1940004A - Illuminated score board : en
  • US1940150A - Automobile horn : en
  • US1940494A - Process of producing phenolphthalein : en
  • FR757047A - Enema syringe : en fr
  • DE589907C - Lathe for processing square, pyramidal workpieces with rounded edges : de en
  • DE589890C - Portable grinding device for scratch fittings : de en
  • GB403217A - Improvements in or relating to measuring vessels or cups : en
  • GB403225A - Improvements in and relating to automatic lap winding machines for use in the preparatory operations of spinning : en
  • DK48172C - Bicycle light holder with blocking device for the light. : da en
  • GB403227A - Improvements in the cleaning or scutching of flax, hemp, jute, ramie, and like fibre-bearing stalks : en
  • US1940072A - Method of and means for ascertaining and recording the thickness or denier of thread : en
  • DE589908C - Sewing machine for creating straight stitches and zigzag stitches using a needle that is moved sideways : de en
  • DE589929C - Rotary piston internal combustion engine : de en
  • DE590061C - Process for the operation of vehicle propulsion systems, which consist of blower-driving deflagration internal combustion engines and expansion machines which develop vehicle propulsion power : de en
  • FR757208A - Apparatus more specially intended for cutting and drilling ceramic, earthenware or similar tiles : en fr
  • DE589975C - Drive for bogies, in particular for motor locomotives : de en
  • FR757038A - Production of masses to be printed : en fr
  • GB403211A - Improvements in means for minimizing the rolling and pitching of ships : en
  • FR757314A - Voltage regulator for current generator : en fr
  • DE590099C - Process for the oxidation of alcohol : de en
  • US1939811A - Abdominal support : en
  • US1940331A - Automatic arc welding device : en
  • DK48162C - Electric Vibration Generator. : da en
  • FR756909A - vice for machines intended for composing by means of dies and for casting lines for composing machines for printing presses : en fr
  • FR757088A - Quick-acting electrical switch : en fr
  • FR757083A - Pot-turbine for artificial silk spinning : en fr
  • US1939883A - Apparatus and method for manufacturing condensers : en
  • GB403141A - Improvements in or relating to the production of compositions and goods containing rubber or similar material : en
  • FR756989A - Acoustic tube amplifier and regulator : en fr
  • FR757020A - Beach skill game : en fr
  • USD91219S - Design fob a radiocabinet : en
  • GB403188A - New therapeutically valuable compound of ethylhydrocupreine and process for its manufacture : en
  • US1939700A - Muzzle attachment for guns : en
  • US1940091A - Rack for confection and food containers : en
  • US1940217A - Supply mechanism : en
  • US1940578A - Casing for boilers and the like : en
  • GB403244A - Operating table : en
  • CA338044A - Talking picture control system : en fr
  • US1939964A - Structural tower : en
  • US1940017A - Automatic hen's nest : en
  • US1940375A - Method and machine for wrapping articles : en
  • GB403232A - Process for the production of coke : en
  • GB403130A - improvements in or relating to thermionic oscillation generators : en
  • US1940638A - Spool : en
  • FR757204A - Improvements to joints and couplings for pipes and other similar elements : en fr
  • US1940470A - Brake mechanism : en
  • US1939759A - Game : en
  • US1939966A - Fruit grader : en
  • US1940231A - robinson : en
  • FR757150A - Multi-cell coping for chimney stumps : en fr
  • DK48160C - Control device for Heaters, especially for Central heating systems. : da en
  • US1940464A - Apparatus for slitting leather : en
  • US1940133A - Alloy : en
  • GB403154A - Improvements in control valves for garment presses : en
  • DE590089C - Device for enriching the gas mixture for the drive motors of motor vehicles operated with generator gas : de en
  • FR757053A - Antifriction bearing cage and method for its manufacture : en fr
  • FR757201A - Racks, frames, and accessories therefor for bicycles, motorcycles and the like : en fr
  • GB403168A - Improvements in looms for weaving, having automatic cop or bobbin-changing motions : en
  • FR757175A - Method for indicating the degree of wear of tire treads : en fr
  • IE12775L - Tobacco pipes. : en
  • FR757012A - Process for the manufacture of superfatty soaps, shaving cream and similar products : en fr
  • GB403184A - Supports for nets used in the game of "badminton" or such like : en
  • US1939881A - Pressure regulator : en
  • US1940268A - Spray gun : en
  • GB403383A - Improvements in making valves with sheet metal bodies : en
  • FR757316A - Improvements to leaf or loose-leaf registers : en fr
  • GB403647A - Improvements in the thermal treatment of hydrocarbons : en
  • DE589957C - Electrical measuring arrangement for remote transmission of measured quantities : de en
  • FR756914A - Improvements to locks, padlocks and the like : en fr
  • FR757048A - Replacement device for electromagnetically triggered light sources : en fr
  • FR757302A - Manufacturing process for aircraft shrouds yokes? ubre s similar applications and screeds conforming to those obtained by this process : en fr
  • DE589821C - Ink feed device for printing machines : de en
  • DE589942C - Weaners : de en
  • FR757162A - Communication counter for telephone sets : en fr
  • GB403156A - Improvements in detachable cooling hoppers for internal combustion engines : en
  • GB403216A - Improvements relating to travelling furnace-grates : en
  • FR756935A - Rubberized and removable rolling device for tractor and other wheels and wheels with application : en fr
  • FR757056A - : fr
  • US1939774A - Dial illuminating means : en
  • US1940131A - Vegetable peeler : en
  • US1939683A - Piston packing : en
  • DE589984C - Belt sintering or rusting apparatus : de en
  • US1939929A - Coupler operating device : en
  • DE590047C - Washing machine : de en
  • USD91196S - Design for a textile fabric : en
  • AU1562333A - Process and arrangement forthe production of amplitude-modulated reversible voltages : en
  • GB403233A - Manufacture of weatherproof luminous substances : en
  • GB403267A - Sound-damping movement for clocks : en
  • US1940093A - Electric musical instrument : en
  • US1940106A - Means for and method of making grooved fibrous board : en
  • US1939668A - Means for making core laminations : en
  • GB403353A - Improvements in or relating to gramophones : en
  • CA337983A - Electrical apparatus protection : en fr
  • FR757050A - Convergent achromatic eyepiece : en fr
  • FR757197A - Improvement in metal sheet folding machines and others : en fr
  • DE555115C - Durable pest repellent : de en
  • US1939904A - Adticle of furniture : en
  • US1940092A - Condensation products of resinic acids : en
  • US1940117A - Collapsible table : en
  • CA338042A - Talking movie combination : en fr
  • GB403170A - Process of and apparatus for bright-annealing metals : en
  • FR757226A - : fr
  • GB403200A - Improvements in shuttles for looms for weaving : en
  • FR757304A - Speed regulator for internal combustion engines : en fr
  • FR757425A - : fr
  • GB403272A - Improvements in means for making comparison tablets for optical examination of flour : en
  • GB403326A - Safety device for pockets of trousers or other garments : en
  • DE590105C - Method of attaching reeds : de en
  • US1939780A - Two compartment envelope : en
  • US1940400A - Working up of oxidation products of hydrocarbons : en
  • US1940465A - Automatic signal switch : en
  • US1939730A - Spring clutch : en
  • US1940087A - Power apparatus : en
  • DK48175C - Device for Control of Electric Motors. : da en
  • GB403327A - Improvements in ventilating road and rail vehicles : en
  • FR756970A - Process for the fresh preservation of liquid dairy products : en fr
  • US1940350A - Aerating apparatus : en
  • US1940419A - Vat dyestuff of the dibenzanthrone series : en
  • FR756954A - Rotary machine for dyeing and washing textiles : en fr
  • US1940307A - Drawer pull : en
  • CA338020A - Cyanid dehydrating process : en fr
  • CA338059A - Dispensing receptacle : en fr
  • US1939968A - Flexible post : en
  • US1939645A - Electric fixture support : en
  • US1940163A - Closet bowl ventilator : en
  • US1940134A - Golf score counter : en
  • US1940351A - Surgical instrument : en
  • DE590009C - Trailer coupling for motor vehicles : de en
  • FR757073A - Vehicle hood opening and closing device : en fr
  • GB403341A - Improvements in and relating to means for filling fuel reservoirs of buoys and beacons : en
  • CA338036A - Card index : en fr
  • US1940283A - Clip : en
  • CA337957A - Reflector : en fr
  • CA337927A - Floor and roof : en fr
  • US1940069A - calculating machine - x : en
  • US1940063A - Die casting : en
  • US1940005A - Vending method and device : en
  • CA337931A - Magazine pencil : en fr
  • US1939732A - Welded floor structure : en
  • US1940509A - Electric lamp : en
  • US1940533A - Internal combustion engine : en
  • AU1090733A - Attachment of fixed contacts to terminals in electrical apparatus : en
  • US1940576A - Weighing machine : en
  • US1939788A - Improved mechanical cylinder : en
  • US1940455A - Gear retaining means : en
  • CA337907A - Engine fuel pump : en fr
  • US1940539A - Device for making corrections on lithographic printing surfaces : en
  • CA338008A - Anti-dripping means for vessels : en fr
  • AU1054032A - Improvements in animal traps : en
  • CA338025A - Hard alloy : en fr
  • CA338048A - Thermionic rectifier : en fr
  • AU1052432A - Improved manufacture of foodstuffs rich in proteins : en
  • AU1048832A - Improvements inthe production of hollow ingots : en
  • US1940358A - Feeding mechanism for sewing machines : en
  • FR757211A - Liquid culinary flavoring : en fr
  • FR757258A - Inlay process : en fr
  • GB403133A - Improvements in taps and cocks : en
  • FR757082A - Improvements to variable capacitors for very short waves : en fr
  • FR757100A - Powdering device to fight diseases and insects and ensure the treatment of plants : en fr
  • FR757389A - Threaded sleeve for automotive spring binoculars : en fr
  • FR757267A - New winding system : en fr
  • GB403310A - Improvements in tooth brushes : en
  • GB403360A - Improvements in or relating to the purification of gases from hydrogen sulphide : en
  • DE590011C - Switching device for a dog clutch, especially for motor vehicles : de en
  • FR757139A - Improvements in sportswear for women, such as those for the bath, for the beach, etc. : en fr
  • FR756977A - Movable grate without chain for fire-tube boilers : en fr
  • GB403367A - Improvements in elevators for handling pipes or the like in drilling wells : en
  • US1939670A - Vulcanizing press : en
  • US1939897A - Dandelion digger : en
  • US1940474A - Brake shoe turning machine : en
  • US1939824A - Easel box : en
  • US1940280A - Rubber vulcanization : en
  • US1940373A - Method of oil testing : en
  • US1940461A - Oven : en
  • AU1155133A - Detachable moulded heels for boots and shoes : en
  • DE589871C - Process for the production of very thin, disk-shaped tools from hard metal alloys by sintering : de en
  • DE590113C - Processing machine for clay or the like. : de en
  • FR757105A - Wooden door for apartment : en fr
  • DE590152C - Safety device against unauthorized use, in particular of motor vehicles : de en
  • US1939795A - Method of making chromium steel : en
  • US1940460A - Automatic phonograph : en
  • US1940380A - Theft prevention device for vehicles : en
  • US1940481A - Automatic lubricator : en
  • FR757244A - Thermo-electric signalizer : en fr
  • FR757286A - Metal stretch tensioner : en fr
  • US1939704A - Receptacle filling and closing apparatus and means and method of forming and applying a seal to closed receptacles : en
  • US1940552A - Toy motor : en
  • FR756974A - Improvements in devices for the maintenance of parquet floors and other similar applications : en fr
  • CA337976A - Insulating and acoustical material : en fr
  • CA337991A - Dual anode : en fr
  • GB403309A - Improvements in devices for punching out to shape : en
  • DE590119C - Production of lead and lead alkali silicates : de en
  • FR757228A - Reflector device for ultra-short waves : en fr
  • US1940451A - Hair waving clip : en
  • US1940362A - Thumb guard and rest for pistols : en
  • US1939862A - Conveyer : en
  • US1939757A - Pressure extractor : en
  • CA337934A - Power driven swivelled wheel : en fr
  • FR757270A - Improvements to the multiplication or reduction of frequency by integer factors : en fr
  • FR757021A - Method for taking pictures on lenticular grating films : en fr
  • CA338002A - Silicon carbide product : en fr
  • US1940566A - Draught chimney top : en
  • FR738493A - Fast and economical refining of impure common steels, especially steel : en fr
  • GB403264A - Improvements in or relating to injection nozzles for internal combustion engines : en
  • GB403290A - Improvements in or relating to controllers for electric motors : en
  • US1940190A - Shipping container : en
  • US1940227A - Polymerization : en
  • US1939728A - Hinge : en
  • US1939842A - Method of and apparatus for impregnating and/or surface coating fabrics : en
  • US1939967A - Glass rolling apparatus : en
  • US1940385A - Electrode for accumulators : en
  • US1940414A - Amplifier circuits : en
  • DE590008C - Device for moving the trailer for motor vehicles by hand : de en
  • US1939867A - Receptacle : en
  • US1940043A - Dumping truck : en
  • DE590082C - Carburetors for internal combustion engines : de en
  • US1939731A - Hand bag : en
  • US1939876A - Mounting for rotor plates of multiple variable condensers : en
  • USD91193S - Design fob a textile fabric : en
  • DE590054C - Tape reel : de en
  • US1940527A - Means for lubricating car wheels and rails : en
  • US1940197A - Gas cleaner : en
  • US1940567A - Production of coke and gas in chamber ovens : en
  • US1939782A - Method of forming bearings : en
  • US1939957A - Method and improved means for precooling refrigerator cars : en
  • US1940499A - Gyroscope : en
  • DK48153C - Advertising device. : da en
  • US1940396A - Process for breaking petroleum emulsions : en
  • US1940553A - Hearing-aid device : en
  • FR757017A - Stacking device : en fr
  • GB403239A - Improvements in the treatment of natural and artificial silk : en
  • GB403629A - Improvements in or relating to radio receivers : en
  • DE589935C - Electric lighting system for stop signs : de en
  • DE590005C - Gyro system for controlling steerable aircraft : de en
  • FR757138A - Improvements to rotisserie ovens : en fr
  • GB403246A - Improvements relating to cases or holders for sticks of cosmetic and the like : en
  • FR757061A - Improvements to packing boxes and the like : en fr
  • FR757218A - Improvements in fabric manufacturing : en fr
  • FR757255A - Process for the production by thermal and mechanical treatments of metallic composites containing nickel and products resulting from the application of this process : en fr
  • US1939823A - Boiler : en
  • DE590033C - Metal steamer : de en
  • FR756937A - Improvements relating to liquid spray nozzles : en fr
  • GB403128A - Improvements in or relating to metal-cutting broaches : en
  • DK48168C - Audio Film and Procedure for Making the Same. : da en
  • FR757001A - Electric shoe polisher : en fr
  • FR757276A - Improvements in the manufacture of artificial filaments, threads, films, films and the like : en fr
  • FR757207A - Wet coal separation system using the flotation process : en fr
  • DE589974C - Absorption machine : de en
  • DE590141C - Device for maintaining a liquid film in bearings and guides : de en
  • GB403280A - Improvements in apparatus for playing games : en
  • US1939933A - Condenser gang drive : en
  • FR756915A - Bra : en fr
  • GB403636A - Improvements relating to the body or frame structures of engines, particularly internal combustion engines : en
  • FR757168A - Masonry houses and buildings with metal framework : en fr
  • CA337980A - Water heater flue : en fr
  • FR757114A - Remote transmission of synchronous and well-defined movements with amplification of force : en fr
  • GB403376A - Improvements in antennae for radio transmitters : en
  • US1939773A - Composition of matter and method : en
  • FR757317A - Combustion chamber for internal combustion engines : en fr
  • AU1046632A - Improvements connected with electric arc welding : en
  • CA337958A - Knitting machine : en fr
  • GB403171A - Improvements in and relating to weaving and woven fabrics : en
  • FR757213A - Roaster : en fr
  • GB403410A - Improvements in and relating to the electric propulsion of ships : en
  • FR757125A - Molasses clarification process : en fr
  • GB403166A - Means for holding and collecting omnibus and like tickets : en
  • CA338061A - Blank forming and printing machine : en fr
  • FR757108A - Billiards : en fr
  • GB403129A - Improvements in and connected with the construction of pipes, conduits, sewers or the like : en
  • GB403206A - Improvements in apparatus for controlling the flow of gases : en
  • CA338055A - Pulverized fuel furnace : en fr
  • CA338000A - Photophone apparatus : en fr
  • US1940245A - Light sensitive cell : en
  • DE590084C - Bearing shell : de en
  • GB403288A - Apparatus for the vertical filing of file wrappers : en
  • GB403243A - Improvements in and relating to caissons for the construction of quay walls, piers, breakwaters and similar structures : en
  • GB403281A - Improvements in and relating to methods of obtaining pure metallic cobalt in powder : en
  • GB403136A - New or improved apparatus for conveying wires in cleaning, pickling, plating and like plants : en
  • USD91209S - Design for a canopy : en
  • FR757188A - New turbine : en fr
  • CA337963A - Seal : en fr
  • DE589999C - Process for making a film for photographic use : de en
  • US1940211A - Lighting fixture : en
  • US1940364A - Carbon shield : en
  • US1940439A - Fuel for internal combustion engines : en
  • CA338060A - Light signal : en fr
  • US1940345A - Automatic shifting bushing : en
  • US1939724A - Method of making inlaid linoleum or the like : en
  • US1940060A - Printer's registering device : en
  • US1940168A - Method and means for securing golf club heads to shafts : en
  • CA337922A - Aerating machine : en fr
  • CA338043A - Sound gate : en fr
  • DE590060C - Self-propelled push car for moving track vehicles on sloping lifts : de en
  • DE590108C - Partial device for multicolor intaglio printing, which is built into a pigment transfer machine : de en
  • US1939725A - Transmission circuits : en
  • US1940535A - Apparatus for drawing-off heavy gases from above the sealing piston in waterless gasholders : en
  • US1940295A - Regulating system : en
  • AU1108533A - Means for detachably securing treads tothe heels of boots or shoes : en
  • US1939694A - Sulphur dioxide process : en
  • US1940515A - Refrigerated display counter : en
  • US1940530A - Art of coating : en
  • US1940586A - Flashing time relay : en
  • US1939863A - Boat trailer : en
  • US1940142A - Milling machine : en
  • US1940605A - Direction signaling device : en
  • CA338077A - Insect exterminating device : en fr
  • US1940542A - Shoe with elastic rubber inlets : en
  • US1939674A - Barrel sanding machine : en
  • US1940557A - Manufacture of calcium hypochlorite : en
  • CA337921A - Aerating machine : en fr
  • US1939722A - Remote control apparatus : en
  • US1940103A - Cigarette ejector : en
  • US1939652A - Cushioning mechanism : en
  • US1939835A - Trouser construction for retaining shirt fronts : en
  • US1939986A - Chain link holding device : en
  • US1939707A - Font for holy water : en
  • US1940302A - Oscillating joint : en
  • US1940518A - Apparatus for use in the fire control of antiaircraft guns : en
  • US1940148A - Projecting apparatus : en
  • US1940379A - Preheater for oil burners : en
  • US1939667A - Metallic coatings and method of making same : en
  • US1940332A - Drill pipe protector : en
  • US1940153A - Wave signaling system : en
  • US1940429A - Separable electric socket : en
  • CA337988A - Elevator safety system : en fr
  • US1939693A - Process of separating gases : en
  • US1940077A - Vehicle tire and method of making the same : en
  • US1939723A - Soldering machines : en
  • US1940128A - Cabinet ironing board : en
  • US1939859A - Driving belt and method of making the same : en
  • US1940247A - Means for reformation of metal wheels : en
  • USD91190S - Design fob a vehicle signal : en
  • US1939808A - Field coil : en
  • DE589905C - Gate valve with a bypass duct which is arranged within the valve housing and connects the two sides of the valve and into which a shut-off element controlled by the valve plate holder is switched on : de en
  • FR756941A - Improvements to cameras convertible into projectors : en fr
  • FR757084A - Process for the production of metalliferous monoazo dyes : en fr
  • AU1204633A - Improvements in or relating to key cases : en
  • US1940421A - Riveting machine : en
  • DE589918C - Device for maintaining the brake pressure with hydraulic brakes : de en
  • DE590050C - Device for heat treatment, especially for smoldering fine-grain coal : de en
  • FR757264A - Process for the production of water insoluble azo dyes on fibers and surface bodies prepared from cellulose esters and cellulose ethers : en fr
  • FR757349A - Anode voltage rectifier : en fr
  • FR757035A - Sealing ring for pistons : en fr
  • FR757094A - Improvements in underwater mines : en fr
  • GB403178A - Improvements in or relating to apparatus for cleaning oils : en
  • DE590086C - Device on sewing machines for the production of elastic hems : de en
  • FR756979A - Stud screwed into a tapped hole : en fr
  • DE589987C - Process for the extraction of powdery chrome metal : de en
  • FR757036A - Gun with searchlight : en fr
  • FR757161A - Multipurpose revolving parasol for advertising, signage and amenity, and novel method of advertising and signage resulting therefrom : en fr
  • DE590056C - Process for achieving constant flow conditions in converters : de en
  • US1939849A - Draftsman's reference table : en
  • US1940492A - Barrel rotating apparatus : en
  • US1940648A - Process for obtaining valuable distillates from carbonaceous materials : en
  • FR757057A - Extendable and incombustible fire rescue corridor : en fr
  • FR757248A - Fruit and vegetable picking machine : en fr
  • GB403325A - Improvements in and relating to advertising devices : en
  • CA338019A - Vulcanization accelerator : en fr
  • DE590025C - Burner with a pilot flame pipe influenced by control devices (e.g. thermostat, water baffle plate) : de en
  • DK48156C - Apparatus for Vulcanizing Tires. : da en
  • FR757110A - Convertible convertible body : en fr
  • FR757301A - Protective coupling for direct current consumers supplied by controlled discharge vessels, gas or vapor charged : en fr
  • FR756930A - Piston for internal combustion engines : en fr
  • GB403238A - Improvements in or relating to portable containers for compressed and liquified gases : en
  • GB403409A - Improved magnetic induction testing device and method of balancing the same : en
  • DE589815C - Fabric feed for support arm sewing machines : de en
  • US1939902A - Nonlinear variable resistance element : en
  • FR757253A - New propulsion system for ships and similar boats : en fr
  • GB403203A - Improvements in or relating to the production of photographic prints : en
  • GB403180A - Improvements relating to air compressors : en
  • FR757285A - Hunting or war gun barrels with interior coating : en fr
  • US1939705A - Vacuum cleaner : en
  • US1939710A - Classifying apparatus : en
  • US1939946A - Process of separating crystalline wax, amorphous wax, and lubricating oil from wax slop : en
  • USD91204S - Design for a pen stand : en
  • DE589956C - Sighting device for firearms : de en
  • GB403397A - Improvements in or relating to the transmission and reception of sounds and of combined pictures and sounds : en
  • FR757206A - Mold for breads, cakes, pâtés or sorbets : en fr
  • GB403336A - Improvements relating to dry batteries : en
  • DE589906C - Process for nitriding tungsten : de en
  • DE590062C - Barrier line or the like with spring tensioning mechanisms connected to the wire lines : de en
  • FR757160A - Successive display device for illuminated posters : en fr
  • FR757195A - Speed reduction gear for flying aircraft motors : en fr
  • GB403942A - Improved method of destructive hydrogenation of carbonaceous matter : en
  • GB403182A - Wall ties : en
  • FR756949A - Two-stroke cycle internal combustion engine enhancements : en fr
  • FR756993A - Electrical switches : en fr
  • US1939713A - Sterilizer : en
  • US1939918A - Machine for repairing runs in fabric : en
  • GB403293A - Improvements in and relating to change-speed gears : en
  • GB403423A - A coin freed machine for receiving and delivering messages : en
  • GB403340A - Contact member for use in electric signalling systems for rail vehicles : en
  • DE589949C - Process for the production of salts from core-mercured cresols : de en
  • DE590123C - Choke coil to prevent radio interference caused by the operation of mechanical rectifiers : de en
  • FR757268A - Improvements in low-temperature charcoal distillation, in particular cell plates used for this distillation : en fr
  • GB403361A - Improvements in or relating to absorption refrigerating apparatus : en
  • IE12832L - Electric discharge tubes : en
  • DE590115C - Process for the production of gas-tight refractory hollow bodies : de en
  • US1939671A - Copyholder : en
  • US1939850A - Method of producing a fertilizer composition : en
  • US1940303A - System for power line protection : en
  • US1940348A - Spotlight mounting : en
  • FR757229A - Dropper : en fr
  • US1939763A - Watch and similar timepiece : en
  • US1940360A - Lubricator for high speed elevators : en
  • US1940547A - Radio direction indicating device : en
  • US1939999A - Door structure : en
  • US1940196A - Dust extractor : en
  • US1939805A - Television system : en
  • DE589963C - Process for dehairing and degassing boiler feed water : de en
  • USD91217S - Design for macaroni : en
  • FR757086A - : fr
  • FR757280A - Gas protection mask : en fr
  • GB403321A - Tuyere for shaft furnaces : en
  • US1940540A - Automobile sun and glare shield : en
  • GB403678A - Improvements relating to folding and adjustable chairs : en
  • DK48155C - Device by Tile Stoves. : da en
  • FR757077A - Closing device for dropper bottles or other similar applications : en fr
  • DE590080C - Device for setting the playing time in self-collecting billiards with clockwork drive : de en
  • FR756984A - Adjustable eyecup for variable spacing binoculars and other optical instruments : en fr
  • FR757039A - Production of azo dyestuffs : en fr
  • US1939976A - Vehicle body window construction : en
  • US1940126A - Milling machine : en
  • US1940159A - Process of preparing and packing sea food : en
  • US1940156A - Perforating machine : en
  • US1940384A - Rotary compressor : en
  • GB403197A - Improved means for connecting the feet or legs to a bath : en
  • GB403701A - Improvements in and relating to accumulator electrodes : en
  • US1940517A - Machine for applying wrapping materials to canisters : en
  • US1940536A - Static eliminator and printed sheet floating device : en
  • US1940326A - Salvage apparatus : en
  • US1939804A - Combined adding machine and typewriter : en
  • US1940108A - Flying machine : en
  • FR757165A - Traction mechanism : en fr
  • US1940114A - Electrical distance measuring apparatus and method : en
  • FR757024A - Bar support : en fr
  • FR757149A - Soot trapping vacuum cleaner : en fr
  • FR757151A - Automatic device particularly suitable for sending pulses in automatic telephone networks : en fr
  • GB403282A - Improvements in dispensing devices : en
  • GB403363A - Improvements in devices for compensating the speed of bobbins and the like, more particularly in the winding of artificial silk : en
  • GB403328A - Improved nail : en
  • FR756931A - High-value, hollow iron body manufacturing process : en fr
  • FR757183A - Buoy for advertising and attractions : en fr
  • FR757185A - Smoke device : en fr
  • FR757242A - Automobile wheel : en fr
  • GB403285A - Improvements in metal cutting and like machine tools : en
  • GB403426A - Improvements in or relating to magnetic cores for high frequency inductance coils and transformers : en
  • FR757029A - Upholstered sleeve holders improvements : en fr
  • DE589896C - Process for the production of lignite-coke briquettes : de en
  • US1939639A - Tooth mold : en
  • US1940277A - Pressure vessel : en
  • US1940456A - Flexible conduit : en
  • US1940500A - Display device : en
  • FR757153A - Welt enhancements : en fr
  • GB403194A - Improvements in or relating to bathing costumes : en
  • GB403387A - Improvements in or relating to garden seats and the like : en
  • FR757278A - Removable and transportable house completely in steel : en fr
  • US1940574A - Welding rod : en
  • US1940650A - Process for the improvement of hydrocarbon oils by treatment with hydrogen under elevated temperature and pressure : en
  • DE590000C - Copier : de en
  • GB403359A - Improvements in or relating to sports grounds, promenades and the like : en
  • USD91211S - Design foe a urinal : en
  • US1940602A - Process for the manufacture of artificial silk : en
  • DE590151C - Door buffers, especially for motor vehicles : de en
  • CA337919A - Peat machine : en fr
  • US1940278A - Form clamp : en
  • US1940423A - Modulation : en
  • US1940506A - Gun for cleaning differentials and the like : en
  • US1940033A - Golf practice and game apparatus : en
  • US1940167A - Utility cabinet : en
  • AU1049232A - Improvements in powder sprayers : en
  • US1939779A - Surgical splint : en
  • US1939802A - Valve operator for automatic dish washing and drying machine : en
  • US1940011A - Picker mechanism : en
  • US1940143A - Pneumatic tool : en
  • US1940201A - Table : en
  • US1940458A - Brake applying means : en
  • US1940299A - Thrust bearing for electric locomotives : en
  • US1940178A - Slug sawing machine : en
  • USRE19032E - T e pray : en
  • US1940273A - Lister disk furrow opener : en
  • US1940471A - Brake : en
  • US1939865A - Handle-stop for railway car side doors : en
  • DE589961C - Process for the production of a bituminous paving compound : de en
  • FR757222A - Thread tension compensator during winding : en fr
  • GB403624A - Improvements in or relating to machines for testing the thickness of sheet materials : en
  • CA337974A - Sizing machine : en fr
  • CA337996A - Coil impregnating method : en fr
  • DE590072C - Process for purifying the air we breathe from volatile bases : de en
  • DE589972C - Process for the preparation of a 2,4-diaminoazobenzene compound : de en
  • US1940035A - Belly press : en
  • DK48170C - Seaweed with cleft branches for holding porcelain pieces and similar utensils while washing dishes. : da en
  • US1939719A - Container : en
  • US1940426A - Metal spring cover : en
  • US1940330A - Shock absorbing mounting : en
  • US1940154A - Apparatus for handling green plaster board : en
  • US1940271A - Dispensing apparatus : en
  • DE590015C - Storage of the front fenders of a motor vehicle : de en
  • DE590077C - Method and device for depositing unvulcanized rubber threads or the like in large lengths : de en
  • DE590146C - Spring-loaded pulling device for trailers of motor vehicles : de en
  • DE590010C - Switching device for gearboxes, especially for motor vehicles : de en
  • US1940253A - Carburetor : en
  • US1939819A - Game apparatus : en
  • DE589931C - Injection carburetor : de en
  • DE590016C - Bicycle safety device with support : de en
  • IE13255L - Air moistening : en
  • FR757072A - Improvement in fluid-controlled regulating devices : en fr
  • US1939892A - Glazing clip : en
  • USRE19027E - pazzano r : en
  • US1940587A - Heating apparatus : en
  • DE589869C - Hydraulic flow coupling : de en
  • GB403319A - Improvements relating to variable speed driving mechanisms for motor vehicles : en
  • FR756945A - Advanced finishing bench for shoemakers : en fr
  • GB403324A - Improvements in or relating to gas analysis and apparatus therefor : en
  • USD91222S - Design for a lighting fixture : en
  • US1940027A - Closure retaining mechanism : en
  • US1940212A - Aeroplane fabric : en
  • DE589958C - Fabric panel with camouflage patterns : de en
  • CA338041A - Volume control, etc. : en fr
  • GB403354A - Improvements in and relating to sound reproducing devices : en
  • GB403687A - Improvements in or relating to manometers or like instruments : en
  • DE589914C - Process for the production of liquid hydrocarbons from ethylene or gases containing ethylene : de en
  • US1940493A - Cutting machine : en
  • US1940090A - Thermostatic control device : en
  • DK48159C - Device for Teletype Connections over Telephone Centers. : da en
  • GB403284A - Improvements in or relating to shock absorbers : en
  • FR757034A - Method and device for the analysis of gases by differential measurements of thermal conductivity : en fr
  • GB403230A - Method for manufacturing a plastic material capable of being hardened : en
  • GB403268A - Improvements in direct injection oil engines : en
  • GB403269A - Process for the manufacture of a substance for the treatment of malignant tumours, in particular cancer : en
  • FR757045A - Manufacturing process of a coating for floors : en fr
  • US1940147A - Tent : en
  • US1940016A - Synchronizing system : en
  • US1940338A - Oil distillate cooler or condenser : en
  • US1940637A - Cushion seat and the like : en
  • US1940393A - Process for breaking petroleum emulsions : en
  • FR757212A - Cocoon dispenser : en fr
  • FR757336A - Advanced container for transporting liquids and other materials : en fr
  • GB403349A - An improved process for making artificial silk : en
  • DE589917C - Procedure for case curing : de en
  • DE590085C - Method and machine for sewing pile fabric edges : de en
  • DE590051C - Manufacture of potash nitrate : de en
  • CA338001A - Abrasive and ceramic article production : en fr
  • US1940252A - Carburetor : en
  • US1940449A - Brake : en
  • US1940541A - Air hub wheel : en
  • US1940615A - Machine for cleaning bottles : en
  • FR756968A - Bracket for lighting devices : en fr
  • FR757271A - Improvements made to tractor wheels : en fr
  • DE590023C - Device for separating the weft threads for shuttle looms : de en
  • DE585172C - Rail brake magnet : de en
  • CA337916A - Railway switch stand : en fr
  • CA337949A - Hat : en fr
  • US1940524A - Fuel pump : en
  • US1940052A - Lubricating gun : en
  • GB403198A - Improvements in trestles : en
  • US1940182A - Machine for making sanitary napkins : en
  • DE590109C - Fire extinguisher : de en
  • CA337962A - Tapestry and embroidery : en fr
  • CA337972A - Wire or cable : en fr
  • CA337941A - Safety razor : en fr
  • DE589900C - Mercury vapor lamp : de en
  • DE590104C - Arrangement to relieve mechanical power transmission gears : de en
  • US1939762A - Clock or the like case : en
  • DE590110C - Device for changing the firing height of mounted firearms : de en
  • GB403137A - Improvements in or relating to regulating means for prime movers : en
  • GB403301A - Improvements in or relating to welding : en
  • USD91199S - Design fob a textile fabric : en
  • US1939856A - Variable condenser system : en
  • US1939956A - Indoor lighting fixture : en
  • US1940466A - Tie rod : en
  • CA10163S - Pin, brooch, crest, ring or emblem : en
  • US1939951A - Seed disinfection : en
  • US1940234A - Line spacing device for tabulating machines : en
  • DE590071C - Device for adjusting the control range on automatic differential pressure regulators for electrically operated compressors : de en
  • DK48173C - Two- or multi-cylinder High- and Low-pressure steam engine. : da en
  • GB403421A - Improvements in shuttleless looms : en
  • AU1113033A - Improvements in or relating to food for animals : en
  • CA338052A - Hydrocarbon oil distillation : en fr
  • US1939822A - Registering, display, and transmission apparatus and system : en
  • US1939866A - Dynamic and air brake interlock : en
  • US1939655A - Humidifier for heating systems : en
  • US1939917A - Glass blowing machine : en
  • US1939924A - Sewage treatment plant : en
  • US1940285A - Box and crate : en
  • US1940405A - Chuck : en
  • GB403638A - Improvements in flashlight devices suitable for photographic and the like purposes : en
  • US1940098A - Seaming machine : en
  • FR757147A - Improvement in electrolytic deposits on aluminum and aluminum alloys : en fr
  • GB403265A - Device for stopping and shutting automatically and progressively pipes for gases and vapours under pressure : en
  • FR756958A - Control device for indicating instruments : en fr
  • GB403339A - An improved apparatus for cleaning, polishing and like purposes : en
  • FR757203A - Two-piece punch : en fr
  • FR756933A - Centrifugal apparatus for separating metals of different melting points : en fr
  • US1940325A - Shielded spark plug : en
  • US1940462A - Coated fabric : en
  • US1940619A - Processing magnesium : en
  • USRE19028E - Twin-section egg carton : en
  • US1940176A - Contact making device : en
  • US1940242A - Pipe storage apparatus : en
  • US1939899A - Apparatus for delivering and measuring liquids : en
  • US1940160A - Edge trimmer : en
  • US1940165A - Spool table : en
  • DK48154C - Filter construction with Filter for Purification of sludge-containing water. : da en
  • FR757074A - Improvements to vehicle wheels : en fr
  • CA337975A - Rotary printing machine : en fr
  • US1940161A - Synchronizing system : en
  • US1940654A - Dewaxing petroleum : en
  • AU1049532A - Improvements in charcoal gas plants for tractors andthe like : en
  • DE590129C - Electric plate heater for large kitchens : de en
  • US1940296A - Attachment for traps : en
  • US1939931A - Railway car structure : en
  • US1940237A - Stop releasing arm for thread carrier rods : en
  • USD91195S - Design fob a textile fabric : en
  • CA338006A - Stoker : en fr
  • US1939656A - Method of and apparatus for landing cars : en
  • FR757231A - Gas injection method and apparatus for carrying out the method : en fr
  • GB403283A - Improvements in or relating to television apparatus, synchronising apparatus and thelike : en
  • US1940263A - Cable clip : en
  • US1940311A - Transformer casing : en
  • US1939937A - Brine for the transmission of heat and cold : en
  • US1939907A - Brake valve device : en
  • DE589829C - Route block system : de en
  • US1940183A - Box : en
  • DE590026C - Attachment of nozzle cleaning needles : de en
  • DE590030C - Electromagnetic overcurrent switch in screw plug shape : de en
  • DE590133C - Pulverized coal burners : de en
  • US1939991A - Diamond cutting tool or the like and method of making the same : en
  • US1939864A - Fabric and method and apparatus for producing it : en
  • US1940618A - Method of purifying magnesium : en
  • DE590087C - Process for the preparation of a supplementary feed for lactating mammals : de en
  • FR757104A - Improvements to very high internal resistance grid-screen lamps : en fr
  • FR757155A - Process for making acetic acid from alcohol : en fr
  • US1940416A - Rear sight for machine guns : en
  • US1939993A - Lubricating oil : en
  • US1940064A - Dispensing apparatus : en
  • US1940274A - Magnetic sound reproducing method : en
  • US1940023A - Hand lamp : en
  • US1940207A - Offset tandem harrow : en
  • US1940015A - Process of crystallization of wax : en
  • US1939771A - Antiskid device : en
  • CA338038A - Amplifying and reproducing system : en fr
  • CA338050A - Aircraft : en fr
  • CA338014A - Canning machine : en fr
  • CA338037A - Photoelectric current amplifier : en fr
  • US1939877A - Grate : en
  • US1940308A - Method of making carbides : en
  • US1939689A - Cooling system for high power high frequency transmitters : en
  • US1939740A - Sharpener for slicing machines : en
  • DE589952C - Injection carburetor : de en
  • DE590112C - Ski edge protector : de en
  • US1939662A - Locomotive boiler : en
  • US1940058A - Apparatus for ascertaining weight of materials : en
  • US1940489A - Container for hollow cylindrical objects : en
  • US1940392A - Process for breaking petroleum emulsions : en
  • AU1562033A - Method and arrangement forthe production of picture-points of defined shape in Braun valve : en
  • DE590091C - Suspension front fork : de en
  • FR757294A - Improvements to yeast separating drums : en fr
  • US1939776A - Apparatus for producing activity or work by atmospheric conditions and displaying the same : en
  • US1940255A - Explosive : en
  • US1939952A - Metal wheel : en
  • GB403209A - Improvements relating to electrically operated pumps : en
  • US1939816A - Beam for dyeing machines : en
  • US1939838A - Insect destroyer : en
  • US1939884A - Film-winding device : en
  • US1940123A - Clutch controlled brake lock : en
  • US1939753A - Fountain pen : en
  • DE590021C - Iron sheet pile wall : de en
  • FR757282A - Hydraulic transmitter of movements or orders : en fr
  • GB403247A - Improvements in and relating to shuttle stop motions for looms for weaving : en
  • FR757089A - Electrical remote control installation : en fr
  • US1939737A - Latch pivot for pneumatic hammer devices : en
  • US1940585A - Continuous extraction and filtration apparatus : en
  • US1939660A - Replaceaele tooth for crusher rolls and other crushing elements : en
  • US1940007A - Float valve for hydraulic pumping systems : en
  • US1939943A - Lubricating apparatus : en
  • FR757156A - Balanced piston for engine and other applications : en fr
  • GB403187A - Improved traffic-signalling device for road vehicles : en
  • CA337945A - Holster securing device : en fr
  • US1939953A - Holding and releasing mechanism for hand brakes : en
  • US1939739A - Locomotive spark eliminator : en
  • US1940070A - Device for improving the circulation of water tube boilers : en
  • US1940495A - Process of producing phenolphthalein : en
  • US1940571A - Table leg attachment : en
  • US1939754A - Sharpener for slicing machines : en
  • US1940081A - Apparatus for controlling the speed of a power driven vehicle : en
  • US1940230A - Step-wise advancing counter : en
  • US1940354A - Bar unloading skid : en
  • US1940447A - Line marker : en
  • DE590065C - Power supply for slip ring machines : de en
  • DE590135C - Machine with a plurality of jobs : de en
  • FR757232A - Corrosion resistant and machinable alloys : en fr
  • FR757300A - Improvements to burners and liquid fuel injectors : en fr
  • AU1197733A - Improved method of manufacturing wooden articles and articles produced thereby : en
  • DK48161C - Protection device for railway crossings and the like. : da en
  • FR756966A - Manufacturing process for light stones, wall plasters and noise and heat insulation materials : en fr
  • US1939642A - Card for holding buttons : en
  • US1940300A - Circuit breaker : en
  • US1940505A - Corner splicer : en
  • US1939948A - Roll : en
  • US1940233A - Amusement ride : en
  • FR757230A - Manufacturing process for articles formed exclusively or partially of rubber : en fr
  • DE590039C - Device for actuating gate valves for pipelines with an end plate movable on the end body : de en
  • US1939746A - Wire tightener : en
  • US1939997A - Indirectly heated cathode : en
  • US1940100A - Vehicle brake : en
  • US1940206A - Bell striker : en
  • US1939679A - Lightning arrester : en
  • GB403308A - A door-securing device with an arm on the door and a swingable rail on the frame : en
  • US1940623A - Journal box : en
  • US1939765A - Oiling mechanism : en
  • US1940172A - Culinary equipment : en
  • CA337926A - Typewriter brush : en fr
  • US1940563A - Safety razor : en
  • AU1110333A - A device forthe prevention of destruction and injury by cattle : en
  • US1940267A - Electric switch : en
  • US1940529A - Method of and machine for conveying concrete : en
  • US1939677A - Limb joint for dolls and the like : en
  • US1939743A - Automatically collapsible chair : en
  • US1940321A - Automatic golf ball teeing device : en
  • USRE19030E - Twin-section egg cabton : en
  • US1939789A - Recording, indicating, and regulating device : en
  • US1940445A - Gum inhibitor for gasoline : en
  • US1939678A - Furnace for conditioning adsorbent materials : en
  • US1940320A - Display stand : en
  • CA337939A - Tape serving machine : en fr
  • CA338073A - Windshield wiper motor : en fr
  • US1939858A - Method of potassium phosphate conversion : en
  • US1940056A - Packing device for cylindrical bodies or liners : en
  • US1940248A - Water closet : en
  • CA337932A - Grain sieve : en fr
  • US1939960A - Die-casting machine : en
  • US1940434A - Wind-driven photomachine gun : en
  • US1940534A - Roofing nail : en
  • US1940633A - Portable blower for spinning frames and other machines : en
  • US1940185A - Thermionic valve : en
  • US1939684A - Creeping traction : en
  • US1940096A - Additional agent for motor fuels : en
  • DK48158C - Telephone system with Teletypewriter devices. : da en
  • FR757326A - Fuel oil refinements : en fr
  • DE589671C - Cover lock for axle box : de en
  • FR757025A - Improvements in yarn manufacturing : en fr
  • FR757279A - Hygienic cover adaptable to glasses, cups, mugs, terrines and other similar containers : en fr
  • GB403162A - Improvements in or relating to electric ship propulsion arrangements : en
  • CA337967A - Salt and pepper shaker : en fr
  • GB403219A - Improved powder box : en
  • CA338054A - Phonograph : en fr
  • FR757164A - Support device with variable height position for dental practice spittoon and other applications : en fr
  • AU1057032A - Improvements in shoveling apparatus : en
  • AU1008732A - Improvements in devices for spraying insecticidal or other liquids : en
  • CA337911A - Elutriating apparatus : en fr
  • DK48163C - Molding machine for soft materials, such as butter or similar. : da en
  • GB403253A - Improvements in the construction of feathering paddle wheels, in particular for aerodynamic purposes : en
  • US1940204A - Journal box : en
  • FR756991A - Improvements to film chargers : en fr
  • CA338005A - Heating furnace : en fr
  • DK48178C - Diesel electric locomotive. : da en
  • US1939906A - Apparatus for dispensing milk : en
  • US1940189A - Cigarette holder and pipe stem : en
  • US1940626A - Laundry drier : en
  • DE589903C - Lying vacuum cleaner : de en
  • DK48157C - Saddle cover for Coil Spring Saddles. : da en
  • US1939807A - Adjustable ignition distributor : en
  • US1939938A - Apparatus for dosing liquids : en
  • US1940507A - Battery post oiler : en
  • US1939665A - Moving picture camera support and manipulator : en
  • US1940188A - Apparatus for feeding blanks from a hopper : en
  • US1940259A - Gas range : en
  • AU1048032A - Improved metal container : en
  • DK48174C - Remote control device. : da en
  • GB403221A - An improved method of refrigeration of vehicles : en
  • CA338070A - Yarn processing : en fr
  • FR757343A - Improvement in processes for affixing stickers, ornaments or other indelible signs on bars of soap : en fr
  • GB403706A - Improvements in and relating to alternating current dynamo electric machines more particularly but not exclusively for welding plant : en
  • CA338026A - Lighting system : en fr
  • FR757220A - Improvements to metal-mounted hand saws : en fr
  • US1940491A - Ground guard for electric power stations : en
  • FR757223A - Improvements made to the assembly of the fixed jaw in crushers or jaw crushers : en fr
  • FR757250A - Fuse circuit breakers : en fr
  • DE590059C - The use of cast iron for wear-resistant items : de en
  • US1939787A - High-pressure boiler having a large heating surface and particularly adapted for locomotives : en
  • US1940254A - Price ticket holder : en
  • GB403357A - Arrangement in telephone plants or other electrical signalling connections including amplifiers : en
  • GB403623A - : en
  • GB403277A - Improvements relating to vehicle headlamps : en
  • CA338039A - Amplifying and reproducing system : en fr
  • US1940068A - Azo-dyestuff insoluble in water : en
  • US1940425A - Metal spring cover : en
  • FR756988A - Process for concentrating and, preferably, mixing or composing at the same time aqueous dispersions based on rubber or similar materials and means usable therefor : en fr
  • FR757221A - Road Vehicle Maneuvering Signals Improvements : en fr
  • US1940115A - Bottom for slag tap furnaces : en
  • FR757043A - Automatic feeder for pigs or other animals : en fr
  • GB403333A - Improvements in devices for cooling and aerating milk in cans : en
  • FR756980A - Method and device for coupling the shaft of a pump or turbine with another shaft by means of a friction coupling : en fr
  • FR757133A - Process for increasing the life of chromium-nickel alloys : en fr
  • FR757055A - Improvement in eyepieces of glasses and nose clips : en fr
  • GB403304A - Improvements in or relating to a paper testing apparatus : en
  • FR757170A - Advanced machine for tenderizing meats : en fr
  • US1939794A - Wrapping sheet : en
  • US1939913A - Process for electrothermic reduction : en
  • US1940483A - Cloth cutting machine : en
  • FR757134A - Device for the treatment of the extremities of the lower or upper limbs : en fr
  • GB403163A - Improved means for indicating the angular position of an airscrew blade in its hub : en
  • FR757145A - Slider for continuous spinning and twisting looms : en fr
  • AU1046132A - Improvements in and relating tothe inflations for teat cups : en
  • US1940195A - Insulator cap : en
  • FR757066A - Shirt button : en fr
  • GB403271A - Improvements in or relating to veneer assembling machines : en
  • FR757214A - Process for the preparation of cellulosic derivatives such as artificial silk, films, paints, ribbons and the like of fibrous materials of all kinds : en fr
  • GB403135A - Improvements in or relating to automatic shuttle-changing mechanism for looms : en
  • FR757190A - Parquet slab : en fr
  • FR757113A - Advanced windshield wipers for automobiles and other vehicles : en fr
  • GB403427A - Improvements in flashlight devices suitable for photographic and the like purposes : en
  • DE589806C - Clock with neon pointers : de en
  • GB403400A - Improvements in or relating to lock nuts : en
  • FR757163A - Method and device for fixing the heels of shoes : en fr
  • GB403651A - Silencer for gaseous currents : en
  • GB403173A - Improvements in or relating to rolling shutters : en
  • GB403378A - Improvements in and relating to electrical speed governors : en
  • DE590007C - Air brake for aircraft by means of transversely adjustable brake flaps : de en
  • GB403270A - An improved method of telemetering the quotient of two measured magnitudes : en
  • FR757345A - : fr
  • US1939942A - Electrical machine : en
  • GB403690A - Improvements in or relating to the manufacture of panels and sheets for building and other constructional purposes : en
  • US1940276A - Date pitting machine : en
  • US1940548A - Pocket writing implement : en
  • FR757227A - Cabinet for film storage : en fr
  • FR757341A - Process for bleaching or rendering suitable for spinning raw fibers such as coir, jute, hemp, flax and the like : en fr
  • FR757252A - Improvements to containers intended to constitute hot water bottles or ice packs for medical treatment : en fr
  • GB403625A - Improvements in or relating to tools, such as drills, reamers, taps and the like : en
  • DE589901C - Gas generating plant for motor vehicles : de en
  • FR757353A - Wrench or the like for removing crown caps : en fr
  • FR757122A - Reinforced stone for sharpening equipped with shock absorbers : en fr
  • GB403242A - Improvements in or relating to presses for dehydrating colloid material : en
  • US1940214A - Truing device : en
  • US1940292A - Carton : en
  • FR757287A - Process for the protection against overcurrents of discharge devices in rarefied gases or vapors, and in particular of those devices which include a glass bulb : en fr
  • DE590012C - Connection of the support leaf spring to the frame by means of links, especially for motor vehicles : de en
  • FR757063A - Adjustable diverter for air diffusers or other similar devices : en fr
  • FR756932A - Advanced hanging insulator : en fr
  • FR757067A - Method for removing blisters, pockets and cracks in cast iron, steel and malleable, and substances for carrying out this method : en fr
  • FR756969A - Electronic tubes : en fr
  • DE577077C - Device for locking doors, preferably for toilets and washrooms : de en
  • DE590043C - Propeller hub : de en
  • GB403257A - Improvements in colour photography : en
  • US1939914A - Refrigerator construction : en
  • US1939932A - Prepared resin : en
  • US1940562A - Apparatus for charging a horizontal coke oven with a rammed coal charge : en
  • US1940009A - Making of golf balls : en
  • DE590041C - Double lockstitch machine : de en
  • FR756986A - Process for preparing tank dyes : en fr
  • DE590040C - Impact sifter : de en
  • DE589955C - Method and tool for making a one-piece box : de en
  • FR757152A - Agricultural and industrial wetting product with insecticidal and fungicidal properties : en fr
  • GB403676A - An improved apparatus for supplying liquid to zeolite water softening apparatus, sand filters and the like : en
  • FR757096A - Sheet pile anchor that can be inserted from above : en fr
  • GB403305A - Improvements in or relating to brooder houses and the like : en
  • FR757329A - Loom : en fr
  • FR756903A - Board game : en fr
  • US1940468A - Brake : en
  • US1939996A - Teeth cleaning device : en
  • US1940655A - Refrigerating apparatus : en
  • FR757041A - Method and apparatus for drying hair : en fr
  • FR757424A - : fr
  • GB403393A - Improvements relating to vehicle washing apparatus : en
  • US1939939A - Coffee dispenser : en
  • DE578532C - Device for stunning slaughter animals : de en
  • US1939882A - Printing machine : en
  • US1939941A - Gas burner : en
  • US1940281A - Metal shelving : en
  • US1940600A - Curtain stretcher : en
  • FR757002A - Device for laying railway tracks on assembled metal sleepers : en fr
  • FR757205A - Manufacturing process of metal playing balls : en fr
  • US1940428A - Process for recovering glutamic acid : en
  • DE589849C - Device for transferring molten glass from a vat into a pouring ladle : de en
  • DE590102C - Hanging device for curtains : de en
  • USD91194S - Design fob a textile fabric : en
  • US1940397A - Process for breaking petroleum emulsions : en
  • FR757091A - Installation for washing, humidifying, drying, cooling, heating, etc. air, gases or liquids : en fr
  • FR757216A - New application of siliceous sandstone and quartzites in the manufacture of crucibles and pots for metal founders and glassmakers : en fr
  • USD91224S - Design for a casing fob weighing : en
  • FR757260A - Reinforced cement beams and combinations of these beams : en fr
  • GB403287A - Improvements in or relating to sparking plugs : en
  • US1939687A - Knife : en
  • US1939961A - Method of making linoleum : en
  • DE590019C - Closure for football sleeves : de en
  • GB403635A - Improvements in and connected with power transmission gearing for the running axles of vehicles : en
  • US1939889A - Brake cylinder piston sleeve : en
  • US1940107A - Scraper : en
  • US1940129A - Garden implement : en
  • US1940246A - Ore treating machine : en
  • DE589714C - Rotary piston internal combustion engine : de en
  • DE589989C - Teaching model of electrical machines : de en
  • DE589973C - Process for the production of relief autotypes and relief galvanos : de en
  • FR756959A - Improvement in starting mechanisms : en fr
  • GB403165A - Improvements in and relating to exercising devices : en
  • FR757321A - Further training at vehicle checkouts and more particularly motor vehicles : en fr
  • FR757186A - Device for automatic film winding : en fr
  • FR757254A - Manufacturing process by casting and by work after casting composite articles comprising nickel and products obtained in accordance with this process : en fr
  • USD91201S - Design fob a textile fabric : en
  • USD91215S - Design for an advertising novelty : en
  • AU1087833A - Improvements in or relating tothe production of strictly specific antigens or vaccines : en
  • USRE19029E - Twin section egg carton : en
  • FR757354A - : fr
  • GB403286A - Improvements in or relating to luminous signs : en
  • FR757200A - Process for welding aluminum and its alloys : en fr
  • FR756939A - Improvements with flexible harrows : en fr
  • FR757030A - Sealing device for taps : en fr
  • GB403634A - Improvements in or relating to acoustic horns for sound reproducing instruments : en
  • DE590134C - Apparatus for making wired glass : de en
  • DK48167C - Billboard. : da en
  • DE590004C - Process for influencing the circulation flow on areas of an aircraft that generate lift : de en
  • GB403212A - Machine for piercing, aerating and loosening turf of golf greens, other greens, and lawns : en
  • US1939653A - Chassis lubrication : en
  • US1939901A - Collapsible box or crate : en
  • FR757059A - Device for preparing beverages containing carbonic acid : en fr
  • FR757033A - Spring wheel for vehicles running on railways : en fr
  • FR757019A - Compensation device for electron tubes : en fr
  • FR757051A - : fr
  • FR757026A - Improvements to looms : en fr
  • FR757060A - Improvements to combustion products installations for the preparation of inert gases : en fr
  • FR757178A - Cleaning device : en fr
  • FR757005A - Device for adjusting operating variables : en fr
  • US1939970A - Thermostatic controlled mixing valve : en
  • US1940327A - Food chopper : en
  • AU1008132A - Improvements in methods and apparatus for refrigeration : en
  • DE590125C - Runner with grooved faces for electrical machines : de en
  • FR757274A - Process and apparatus for mechanical handling and sorting of household waste : en fr
  • GB403438A - System for tempering glass or other plates through hot air suction : en
  • GB403401A - Improvements in or relating to fuels in paste, jelly or like form : en
  • US1939869A - Fuel injection apparatus : en
  • GB403686A - Arrangement for the regenerative braking of d. c. motors : en
  • US1939784A - Shoe sole leveling and shaping machine : en
  • US1940095A - Coin collector : en
  • DE590067C - Process for the production of high quality glue from bones : de en
  • FR756965A - Improvement of soft cap visors : en fr
  • GB403146A - Improvements in and relating to apparatus for delivering materials in bulk : en
  • GB403261A - Improvements in and relating to fasteners for flooring, tiling, panelling and the like : en
  • GB403368A - Improvements in or relating to magnetic cores for high frequency inductance coils and transformers : en
  • GB403291A - Method of and apparatus for generating foam for fire extinction : en
  • US1939978A - Shock absorber for lubricating apparatus : en
  • US1939748A - Feeding device for live stock : en
  • US1940410A - Pumping apparatus : en
  • USD91213S - Design fob a lighting fixture head : en
  • CA337956A - Electrical connector : en fr
  • GB403224A - Change speed gear : en
  • US1939990A - Process of making grained confection : en
  • US1940370A - Telegraph system : en
  • US1940513A - Process for determining the combustible content in a gas mixture : en
  • GB403295A - Power plant for side paddle wheel ships : en
  • DE589919C - Electrical system for locking turnouts or signals : de en
  • US1939747A - Fiber-stock refiner : en
  • US1939758A - Pressure extractor : en
  • US1939896A - Brake valve device : en
  • US1940617A - Demountable wheel : en
  • DE589827C - Two-axle steering frame for electric locomotives : de en
  • DE589964C - Perforated heat storage plate to be placed on the heating tube heads of steam ovens : de en
  • FR756987A - Device intended to produce cold or heat at will in all their applications : en fr
  • FR757111A - Process for manufacturing wholemeal bread sweetener and resulting product : en fr
  • US1940026A - Shaving composition : en
  • US1940381A - Automatic margin bar : en
  • FR757323A - Locked cleaning plate for mower cutting bars : en fr
  • GB403637A - Improvements in flashlight devices suitable for photographic and the like purposes : en
  • US1940473A - Apparatus for processing control : en
  • AU1097133A - Improvements in and connected with puddling machines : en
  • US1940137A - Portable bathtub : en
  • FR757262A - Internal combustion engine : en fr
  • GB403258A - Improvements in and relating to braces for men's wear : en
  • FR756925A - Badger sterilizer : en fr
  • US1940437A - Electrical network : en
  • DE590002C - Leaflet explaining individual photos : de en
  • FR757027A - : fr
  • FR757140A - Cooling devices for internal combustion engines : en fr
  • FR757332A - Flat burner with inter-ignition device : en fr
  • FR757194A - Process for the production of diamond : en fr
  • FR757004A - Adaptation of radio stations to motor cars : en fr
  • GB403343A - Jet device for propelling vessels : en
  • GB403355A - Improvements in container : en
  • US1939944A - Steam boiler : en
  • US1939691A - Infusible synthetic resins and a process of making same : en
  • AU1003632A - Improvements inthe front axles of motor road vehicles : en
  • US1939959A - Piston wrist pin retainer : en
  • US1940209A - Process for producing hydrocarbons having a high carbon content from hydrocarbons having a low carbon content : en
  • USD91185S - Design for a stapling machine : en
  • US1940205A - Display receiver : en
  • US1940516A - Pump : en
  • US1940243A - Metal shingle : en
  • CA338029A - Paper manufacture : en fr
  • US1940374A - Engine starting mechanism : en
  • US1940191A - Opening and closing device for car doors : en
  • US1940357A - Automatic free wheeling mechanism : en
  • US1940606A - Athletic field line marker : en
  • US1940104A - Handle covering : en
  • USRE19033E - Retaining means fob furnace wall : en
  • CA337910A - Diamond production : en fr
  • US1940193A - Dumping vehicle : en
  • US1940240A - Foot measuring device : en
  • US1939840A - Automatic train control apparatus : en
  • US1939891A - Conveyer system : en
  • US1940111A - Blowpipe : en
  • DE589930C - Vibration damper for shafts : de en
  • US1940003A - Internal combustion engine : en
  • US1940543A - Polishing mop : en
  • USD91229S - Design for a serving tray : en
  • FR756943A - Improvements to film loading devices for projectors and cinematographic devices : en fr
  • US1939827A - Combined follower and coupler supporting means : en
  • US1940074A - Joint for pipes and the like : en
  • AU1151833A - Improvements in powder sprayers : en
  • DE589983C - Skylight : de en
  • US1940000A - Miter joint : en
  • US1940221A - Cement bag : en
  • GB403189A - Improvements in or relating to police, fire, ambulance and like telephone call systems : en
  • GB403954A - Process for the photochemical oxidation of organic and inorganic compounds : en
  • CA337924A - Oil burner : en fr
  • CA338030A - Hydraulic turbine : en fr
  • US1940210A - Faucet syringe : en
  • AU1058932A - Improvements in and relating to sheetmetal containers with inside nonmetallic covering : en
  • US1939894A - Method and apparatus for making cored articles of plastic material : en
  • US1940595A - Game net support : en
  • US1939769A - Wheel stud : en
  • BE400456A - : en
  • GB403235A - Improvements relating to electrical circuit breakers : en
  • AU959332A - Improvements in electrical switches or circuit breakers : en
  • CA337942A - Umbrella holder : en fr
  • FR757334A - Television enhancements : en fr
  • CA338071A - Fabric processing : en fr
  • US1939963A - Casting apparatus : en
  • DE590116C - Hand-held rod cutting machine : de en
  • DK48177C - Transportable Serving table, especially Liqueur table. : da en
  • DE589978C - Process for the production of toroidal coils, such as transformers, load coils and. like : de en
  • DE589982C - Process for removing hydrocarbons from gases by adsorption and regeneration of the adsorbent : de en
  • US1939709A - Dispensing valve : en
  • US1939752A - Liquid elevating device : en
  • CA338007A - Electrolytic deposition of metals : en fr
  • US1939682A - Aircraft : en
  • US1940291A - Collar support : en
  • US1940361A - Headrest : en
  • US1939982A - Method and means for casting bearing elements : en
  • US1940113A - Ophthalmic mounting : en
  • US1940642A - Automatic double buck press : en
  • US1939847A - Electrically operated potato parer : en
  • US1940054A - Light support : en
  • US1940067A - Dispenser : en
  • US1940645A - Manufacture of bituminous paving material : en
  • CA337923A - Brush ferrule : en fr
  • DE590118C - Easel file : de en
  • US1940580A - Light reflecting lamp : en
  • CA338028A - Electric oscillation generator : en fr
  • FR756990A - radium emitter for the production of radon : en fr
  • GB403234A - Improvements in and relating to washing machines : en
  • AU1045632A - Improvements in and relating tothe application of protective coatings to metal pipes andthe like : en
  • US1939809A - Wall finishing material : en
  • US1940018A - Doorlock : en
  • US1940262A - Welding flux for nonferrous alloys : en
  • US1939817A - Washer for package dyeing machines : en
  • US1940391A - Process for breaking petroleum emulsions : en
  • DE589994C - Straight-way valve : de en
  • DE590049C - Device for dry cooling of coke in a cooling device arranged to be movable by the furnace battery : de en
  • US1939998A - Process and apparatus for making safety glass : en
  • US1940132A - Steam boiler : en
  • US1940367A - Method for the production of threads in screw-thread rolling cheeks : en
  • CA337954A - Finger bowl : en fr
  • FR756994A - Elastic fastening method of an internal combustion engine : en fr
  • FR757068A - Enhancements to t appliance power systems. s. f. : en fr
  • FR757154A - Automatic shaving brush for the beard : en fr
  • GB403306A - Improvements in or relating to tools for truing or refacing grinding discs intended especially for grinding spline-shafts : en
  • DE552007C - Manufacture of potassium nitrate from aluminum nitrate and potassium chloride : de en
  • FR757008A - Matte artificial silk thread : en fr
  • GB403435A - Improvements in and relating to springs particularly for electric switches : en
  • GB403152A - Valve giving constant rate of flow : en
  • FR757193A - Improvements relating to aircraft tracking devices : en fr
  • DK48176C - Procedure and device for operation of locomotive and other boiler firing devices. : da en
  • US1940532A - Bridle strap or tape : en
  • US1939796A - Duct rodding apparatus : en
  • US1940573A - Process of manufacturing welding electrodes : en
  • FR757062A - Improvements to radio equipment : en fr
  • FR757340A - Improvements to incandescent electric lamps : en fr
  • US1940634A - Machine for forming glass articles : en
  • CA338058A - Pie making machine : en fr
  • GB403196A - Improved method and apparatus for removing a residual ripple from rectified alternating current : en
  • FR757123A - New Water Insoluble Azo Dyes and Method of Preparation : en fr
  • DE590114C - Roller briquette press for the briquetting of lignite, smoldering coke, etc. like : de en
  • FR757115A - Improvements made to mops : en fr
  • FR756920A - Signaling process for files or documents and new device resulting from its application : en fr
  • FR757126A - Improvements to electric oscillation transmitters for wired or wireless signaling : en fr
  • US1939895A - Loose leaf book : en
  • US1940568A - Watchcase : en
  • US1940635A - Apparatus for vacuumizing and sealing jars : en
  • US1940020A - Hotcap : en
  • US1940105A - Method of and apparatus for manufacturing composition cork sheets : en
  • FR756963A - Direction indicator for vehicles : en fr
  • GB403381A - Improvements in or relating to luggage carriers : en
  • US1939855A - Engine : en
  • US1940097A - Radio receiving system : en
  • US1940592A - Method for the production of chloramine : en
  • US1940032A - Moisture responsive circuit controller : en
  • AU1053832A - Improvements in weighbridges or platform scales : en
  • FR757284A - Stoup : en fr
  • US1939954A - Gate latch : en
  • GB403248A - Manufacture of a mono-azo-dyestuff on the fibre : en
  • DE589909C - In the horizontal section, flat, undulating, resilient iron channel boards : de en
  • US1940078A - Package for tea bags : en
  • US1940339A - Spinning centrifuge for artificial silk : en
  • US1940560A - Paper bag making machine : en
  • US1940270A - Cutting device : en
  • US1940422A - Electric snap switch : en
  • GB403332A - Improvements in folding spectacles : en
  • FR757182A - Automatic lighter : en fr
  • GB403631A - Improved device for producing weaver's shuttles and for trimming worn shuttles : en
  • GB403679A - Improvements in or relating to hydraulic apparatus, particularly for vehicle braking systems : en
  • US1939716A - Shoe-pressing machine : en
  • US1939818A - Method and machine for producing knitted split fabric : en
  • US1939834A - Counter chair or stool seat : en
  • US1940089A - Phonograph record turntable : en
  • DE589959C - Process for the production of highly refractory stones : de en
  • DE589986C - Process for reducing chromium oxide : de en
  • FR756971A - Adjustable burner : en fr
  • GB403226A - An improved device for removing superfluous hair from the human body : en
  • DE590078C - Procedure for registering movements : de en
  • US1940501A - Sewing machine : en
  • US1939926A - Truck brake rigging : en
  • US1940012A - Vehicle wheel : en
  • US1940551A - Process for producing fast tints on wool : en
  • US1940570A - Process for making shaped, rapidly and easily soluble mixtures of soaps and persalts : en
  • DE589933C - Method and device for tinning metal objects : de en
  • GB403220A - Improvements relating to telephone systems employing automatic selectors : en
  • US1939640A - Stop limit control for firing equipment : en
  • US1940083A - Automatic control device : en
  • US1940544A - Combination hat lining and sweatband : en
  • GB403179A - Process and apparatus for the treatment of waste metal products : en
  • FR757103A - Improvements to variable speed transmissions, particularly those for motor vehicles : en fr
  • FR757233A - Manufacturing process for corrosion-resistant and machinable objects : en fr
  • GB403300A - Cylinder-heads and valve gear of multi-cylinder internal-combustion engines : en
  • US1940179A - Firing mechanism : en
  • DE590027C - Turntable with a chuck in its central opening and a locking rail : de en
  • US1940656A - Recording device for liquid dispensing apparatus : en
  • FR757022A - Easily replaceable wire fuse cartridge : en fr
  • FR756948A - Products and methods for printing canvas for aircraft wings and airships : en fr
  • DE590013C - Cushioning, especially for motor vehicles : de en
  • US1940478A - Textile mechanism : en
  • US1940632A - Calendar and memorandum stand : en
  • FR757014A - Improvements to sealing devices for doors and windows : en fr
  • US1940130A - Stop mechanism : en
  • US1940376A - Water column for steam boilers : en
  • US1940477A - Textile mechanism : en
  • FR757135A - Water catchment process : en fr
  • DE589923C - Electrically heated, self-switching humidifier : de en
  • FR757189A - Improvement in the modulation of electric currents : en fr
  • FR757335A - Improvements in the manufacture of rubber compositions : en fr
  • US1939697A - Float switch : en
  • IE12482L - Paper cartons. : en
  • DE590143C - Lightweight switch valve, the key of which is pressed into the seat by a spring for the purpose of lifting by wedge surfaces with the rotatably mounted cover provided with a handle or the like : de en
  • DK48166C - Device at a warning sign for open lane crossings. : da en
  • FR757344A - Improvements to arm trolleys with automatic braking by lifting the drawbar : en fr
  • US1940125A - Manufacture of zinc oxide : en
  • CA337986A - Electrical oscillation generator : en fr
  • US1940084A - Window stop : en
  • CA337947A - Axle brass : en fr
  • US1940510A - Fuel injecting device : en
  • US1940496A - Combination transformer and vibrator : en
  • US1940055A - Casement screen and the like : en
  • US1939893A - Operating device for railway car couplers : en
  • CA337979A - Clearance mechanism : en fr
  • US1940487A - Feeder for blank sheets : en
  • CA338015A - Railway truck : en fr
  • CA337948A - Carbonaceous material hydrogenation : en fr
  • US1940034A - Commercial air filter : en
  • US1940577A - Lever for track scales : en
  • CA338047A - Radio tuning indicator : en fr
  • US1939955A - Window screen : en
  • US1940192A - Apparatus for freezing canned goods : en
  • US1939764A - Fire extinguishing sprinkler system : en
  • US1940166A - Waste retainer for journal boxes : en
  • US1940584A - Hat and coat rack : en
  • US1939717A - Paper feeding mechanism : en
  • AU1050532A - Improvements in rail anchors : en
  • DK48169C - Device for Noise Compensators for Radio Devices. : da en
  • US1939851A - Mowing machine : en
  • US1940042A - Journal box : en
  • GB403384A - Improvements in or relating to record- or register-controlled printing mechanism : en
  • DE590083C - Gas turbine : de en
  • US1939841A - Curtain stretcher : en
  • US1939812A - Container for waxed paper : en
  • US1939921A - Electrical vaporizer : en
  • DE589991C - Self-collecting billiards : de en
  • CA337930A - Separable fastener : en fr
  • DK48180C - Fatty Oil Purification Plant. : da en
  • US1939654A - Chassis lubrication : en
  • USD91192S - Design for a container : en
  • FR756928A - Brake, in particular for automobiles : en fr
  • GB403260A - Improvements in electrically heated apparatus for producing vapours for disinfectingand the like purposes : en
  • FR756904A - Velocipede stand : en fr
  • FR757291A - Portable lighting apparatus comprising an electrically operated hot plate device emitting insecticidal or aromatic vapors and usable for inhalations and fulmigations : en fr
  • FR757328A - Device for discharging material from pneumatic mixing plants for cotton and similar fibers : en fr
  • US1940411A - Stroboscope : en
  • FR756901A - Angle welding system for making the shoe and slipper in felt, leather and canvas : en fr
  • FR757106A - Method and apparatus for treating fabrics : en fr
  • GB403256A - Improvements in and relating to railway track ballast tamping machines : en
  • DE590024C - Device for the saturation of sugar juices : de en
  • US1939698A - Switch : en
  • US1939886A - Hydraulic press : en
  • US1940244A - Vacuum cleaner : en
  • DE589898C - Device for drying the paper web coming from a rotogravure printing machine : de en
  • FR757322A - Worm pump : en fr
  • GB403628A - Improvements in or relating to devices for retaining gudgeon pins in position : en
  • DE590053C - Process for the preparation of haloaminoanthraquinones : de en
  • DE590055C - Process for reducing fuel consumption in metallurgical furnaces, in particular blast furnaces : de en
  • DE589902C - Sink box drive for cotton knitting machines : de en
  • FR757173A - Water sterilization by chlorine and charcoal : en fr
  • FR756960A - Advanced safety razor construction : en fr
  • FR757172A - Preparation of an adsorbent carbon for the sterilization of water and various food liquids as well as the adsorption of gases and volatile products : en fr
  • FR757299A - Method and device for obtaining inhomogeneous radiation concentrated in a short-wave beam : en fr
  • FR757146A - Process for preparing ointment-like emulsions : en fr
  • FR757171A - Magneto attachment flange : en fr
  • GB403364A - Improvements in or relating to load distribution between power supplies to a network : en
  • FR757174A - Advanced mounting of bristle <<locks>> on toothbrushes : en fr
  • FR757179A - Refrigerator : en fr
  • FR757339A - Forage dryer : en fr
  • US1940174A - Tubercle waxes and a process for making them : en
  • GB403344A - Improvements in or relating to the germinal gland hormones : en
  • US1940051A - Portable beach apparatus : en
  • US1940266A - Razor and strop : en
  • GB403142A - Improvements in or relating to the production of compositions and goods containing two or more substantially mutually insoluble plastics : en
  • GB403263A - Improvements in scaling and fettling machines : en
  • US1940629A - Piston alloy : en
  • GB403205A - Improvements relating to apparatus for the contrifuging of thread or yarn windings : en
  • US1939695A - Refrigeration system : en
  • FR757198A - Rolling door filing device : en fr
  • GB403342A - Improvements in and relating to fusion welding : en
  • DE590094C - Device for charging rotary tube furnaces with sludge-shaped fuel : de en
  • GB403297A - Improvements in or relating to shoe-end lasting machines : en
  • FR757202A - Paper roll device for hairdressing chair headrest or the like : en fr
  • FR757090A - Process for manufacturing secondary disazo dyes : en fr
  • GB403646A - Improvements in acidylation : en
  • US1940008A - Distributor mechanism : en
  • US1940036A - Beverage product and method of producing the same : en
  • US1940200A - Variable pitch propeller : en
  • US1940387A - Gyroscopic pendulum : en
  • US1940559A - Method of uniting wax fabrics : en
  • FR757007A - Filter applied directly to water line taps : en fr
  • FR757350A - Envelope-shaped hygienic case for napkin and other linen : en fr
  • GB403299A - Improvements in and relating to turret lathes : en
  • FR757347A - : fr
  • US1939905A - Motor control : en
  • US1940046A - Typewriter desk : en
  • US1940359A - Silent gear : en
  • US1940038A - Latch or hinge attachment : en
  • US1940406A - Paper drinking cup : en
  • DE590069C - Flat weft knitting machine : de en
  • GB403386A - Improvements in or relating to pneumatic tube conveyors : en
  • GB403422A - Improvements in and relating to variable transmission gear : en
  • GB403630A - Improvements in shearing heads for shearing animals : en
  • FR756962A - Device for adjusting the air mattress in the pressure tank of water distribution systems : en fr
  • GB403158A - Improvements in or relating to the construction of concrete arches for bridges : en
  • US1940593A - Fishing reel : en
  • US1940261A - Vise : en
  • US1940343A - Interchangeable torch : en
  • US1940607A - Water control in steam generators : en
  • US1940408A - Opening and closing means with friction retardation swivel : en
  • DE589960C - Process for the production of bitumen jelly : de en
  • US1940122A - Surgical instrument : en
  • US1940187A - Dark slide for photographic apparatus : en
  • US1940639A - Prison locking system : en
  • CA337978A - Slow match composition : en fr
  • US1939712A - Treatment of metals and alloys : en
  • US1939738A - Method of making hardened film blanks and product : en
  • GB403380A - Improvements in or relating to means for controlling the fuel and air for supercharged internal-combustion engines : en
  • DE589920C - Toggle and push button switches : de en
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  • US1940152A - Radiator : en
  • DE562163C - Base plate for rail fastenings with wedge and curved staple : de en
  • FR757292A - Improvements to sifting machines for flour or other granular or powdered materials : en fr
  • US1939703A - Feeding device for finely divided material : en
  • US1940039A - Slug detecting mechanism : en
  • US1939935A - Vehicle wheel : en
  • CA337989A - Elevator cable system : en fr
  • US1940282A - Sound recording : en
  • US1940356A - Engine starting mechanism : en
  • US1940601A - Vent plug : en
  • CA337990A - Secondary modulation prevention : en fr
  • US1939729A - Elevator system : en
  • US1940336A - Container : en
  • CA338045A - Shaft coupling device : en fr
  • US1939793A - Manifolding sales pad : en
  • US1940044A - Flowerpot : en
  • US1939962A - Aeroplane toy : en
  • US1940454A - Display stand : en
  • US1939727A - Wind wing mounting : en
  • US1939828A - Hosiery : en
  • GB403302A - Improvements in cylinder grinders : en
  • AU1196433A - Improvements in foundation garments : en
  • CA337987A - Electrode alloy : en fr
  • GB403167A - Improvements in seats for water-or dry-closets : en
  • US1939830A - Hitch connection : en
  • FR757224A - Improvements in the manufacture or treatment of artificial filaments, threads, yarns, ribbons and the like : en fr
  • DE590066C - Electric lantern with a holder for a replaceable battery : de en
  • FR756907A - Improvements in manufacturing processes for abrasive articles of the nature of glass paper or the like - products obtained by means of said process and adhesive for the products in question : en fr
  • US1939711A - Expansible wheel : en
  • US1940257A - Motion picture projector : en
  • US1940312A - Intermittent movement for motionpicture projectors and the like : en
  • USD91228S - Design fob a camera : en
  • US1939745A - Art of making receptacles : en
  • US1940484A - Web feeding and sheet cutting mechanism : en
  • CA338024A - Hard alloy : en fr
  • CA338022A - Heat processing in circulatory gases : en fr
  • CA337946A - Safety razor : en fr
  • CA338021A - Electric motor : en fr
  • AU1052132A - Improved holder for material in rolls : en
  • US1939690A - Synchronous alternating current inductor compass : en
  • US1939783A - Self contained vapor engine : en
  • US1939814A - Apparatus for testing printing ink and paper : en
  • DE589877C - Device for rounding the corners of films o. : de en
  • US1939912A - Valve device : en
  • US1940395A - Process for breaking petroleum emulsions : en
  • US1940625A - Window and curtain guide construction : en
  • DE590215C - Protective circuit for the disconnection of only a single diseased network section in the event of a double earth fault in three-phase networks : de en
  • FR757028A - letter envelope : en fr
  • US1940030A - Means for facilitating the takingoff and landing of aircraft and refueling the same : en
  • US1940520A - Knitting machine : en
  • US1940080A - Construction of stoves : en
  • US1940324A - Manufacture of spark plugs : en
  • US1940220A - Boring tool : en
  • CA337995A - Motor control system : en fr
  • US1940319A - Protective cooling system for thermionic apparatus : en
  • US1940203A - Electric cut-out : en
  • US1940436A - Seam reducing machine : en
  • US1939718A - Spool and container therefor : en
  • US1940647A - Bottle handling apparatus : en
  • FR757079A - Tongue frequency relay : en fr
  • US1940040A - Light modifying means : en
  • FR756936A - Oil burner and other heavy liquid fuels : en fr
  • GB403147A - Improvements in automatic electro-magnetic contactors : en
  • US1939810A - Biscuit machine : en
  • US1939825A - Gyroscopic horizon indicator : en
  • US1940194A - Method of manufacturing frozen food products : en
  • DE589837C - Laminated sheet metal bodies for electrical machines with radially positioned ventilation webs in these slots, which are axially divided by ventilation slots and consist of sheets of the same diameter : de en
  • FR757085A - Portable coin dispenser : en fr
  • FR757309A - Improvement in percussion systems of rifles : en fr
  • FR757127A - Improvements to cutting mechanisms for cigarette machines : en fr
  • US1939911A - Angle cock device : en
  • US1940031A - Process of treating cheese : en
  • US1940399A - Chain-stitch sewing machine : en
  • GB403430A - Hand grenade : en
  • US1939930A - Coloring mineral material : en
  • US1940235A - Refrigerating system : en
  • US1940597A - Shoe sole leveling, shaping, and securing machine : en
  • FR756997A - Construction of a swivel band saw : en fr
  • CA338079A - Combination desk and telephone holder : en fr
  • GB403320A - Apparatus for re-sharpening safety-razor blades : en
  • FR757093A - Lever-closing pressure steam kettle with application and release pressure curve : en fr
  • FR757251A - Ball joint flange foot for cameras and other uses : en fr
  • GB403334A - Improvements in or relating to syphonic flushing apparatus : en
  • GB403382A - Improvements in flexible couplings : en
  • FR757013A - Fish trap : en fr
  • FR757275A - Sliding drawing device for drawing benches : en fr
  • DE589948C - Process for the preparation of Aminoethanesulfonic acids : de en
  • DE589988C - Process for refining and refining metals or alloys : de en
  • FR756999A - Plow system without wheels, with vertical lift for tractor and automatic balancing adjustable by compensators : en fr
  • US1940502A - Mounting for hand mirrors and similar articles : en
  • US1939995A - Lubricating oil : en
  • US1940433A - Stoker drive transmission : en
  • US1940646A - Insecticide and process of making the same : en
  • GB403153A - Improvements relating to carriers for infants and the like : en
  • FI15605A - Anordning for lagring av barkningstrummor : en fi
  • DE589976C - Device for measuring and recording the twisting of rail tracks : de en
  • US1940528A - Rubber composition : en
  • USD91216S - Design fob a doll ok similar article : en
  • GB403266A - Improvements in fastening devices : en
  • US1940082A - Doorlock : en
  • US1940045A - Paper cup : en
  • US1940504A - Doll's eyes : en
  • US1940610A - Method of mineral tanning : en
  • US1940088A - Sound picture record container : en
  • US1940260A - Vacuum cleaner : en
  • DE589954C - Sewing machine with a needle feed height controlled by the fabric thickness and the stitch length : de en
  • FR757313A - Two-stroke combustion engine with double-acting piston and two auxiliary pistons : en fr
  • US1939741A - Feeding mechanism for slicing machines : en
  • US1939887A - Hydraulic motor : en
  • US1940086A - Interlocking joint for sectional construction : en
  • US1939798A - Pipe wrench : en
  • US1940021A - Reciprocating metal working apparatus : en
  • US1940341A - Treating iron baths : en
  • US1940503A - Color reproduction : en
  • DE589810C - Cathode ray oscillograph : de en
  • US1940057A - Apparatus for ascertaining weight of materials : en
  • US1940398A - Process for breaking petroleum emulsions : en
  • US1939989A - Toy vehicle and the like device : en
  • US1940438A - Punch : en
  • FR757144A - Interior upholstery for vehicle bodies : en fr
  • FR756982A - Improvements to processes for the manufacture of construction elements, in particular plates made of fibers and binders : en fr
  • DE589893C - Seal for disc gas container : de en
  • US1939734A - Chain link and method of making the same : en
  • US1939975A - Label affixer : en
  • US1940409A - Liquid treatment process : en
  • US1940177A - Computing instrument : en
  • FR757069A - Electric welding device : en fr
  • FR757187A - Thermionic lamp : en fr
  • US1939696A - Separation of gases : en
  • US1940390A - Process for breaking petroleum emulsions : en
  • US1940463A - Pipe and cigar lighter : en
  • USD91221S - Design fob a radiocabinet ob the like : en
  • USRE19031E - Process and apparatus for the : en
  • US1940202A - Automatic developing tank : en
  • FR757181A - Advanced rotary machine for making foundry cores : en fr
  • FR757159A - Extendable spare wheel carrier : en fr
  • FR757177A - Improvements to equipment for feeding concrete mixers and mixers : en fr
  • AU1007632A - Improved indicator means for use in connexion with electric cutouts : en
  • US1939815A - Method of preparing and setting tiles and similar articles : en
  • US1940653A - Obtaining valuable hydrocarbon oils from heavier unrefined products by the action ofhigh pressure hydrogen : en
  • US1940141A - Ornamental tile and the mounting thereof : en
  • US1940378A - Lubricated gas stop : en
  • US1940498A - Braider carrier : en
  • US1940337A - Method of preserving perishable food products : en
  • US1940628A - Hot spot manifold : en
  • US1940596A - Packing for fragile articles : en
  • US1940140A - Ophthalmic mounting : en
  • DE589921C - Electromagnetic overcurrent switch with knee joint contact : de en
  • DE590107C - Process for the production of light-sensitive layers on suitable substrates and of diazo light images therefrom : de en
  • FR757310A - Device for attaching an agricultural implement to a tractor : en fr
  • FR757235A - Fuel distribution column : en fr
  • USD91226S - Design for a toy : en
  • DE546816C - Air cushioning device, especially for the saddle and the handlebars of bicycles and motorcycles : de en
  • FR757097A - Esche or bait for fishing : en fr
  • US1939934A - Plug bushing and inner seal therefor : en
  • US1940335A - Electrical time delay apparatus : en
  • DE590096C - Anchor fork for watches : de en
  • GB403425A - Improvements in or relating to modulation systems for use in radio and other carrier frequency signalling systems : en
  • FR757054A - Tightening wrench : en fr
  • FR757192A - Method and apparatus for constructing concrete pilings for foundations : en fr
  • US1939888A - Clutch : en
  • US1940138A - Soap dispenser : en
  • US1940480A - Hide separator and method of making same : en
  • CA337955A - Cigarette package filler : en fr
  • FR757118A - Turbine pot cover for artificial silk spinning : en fr
  • US1940155A - Power driven typewriting machine : en
  • US1940184A - Filament activating means : en
  • US1940538A - Jar cap tightener : en
  • FR757199A - New thermostat for gas heaters and heaters : en fr
  • DE589943C - Bobbin changing device for looms with a multi-row bobbin magazine : de en
  • US1940304A - Machine for riveting, punching, pressing, stamping, and like operations : en
  • US1940363A - Gummed paper : en
  • FR756957A - Modulation system : en fr
  • FR757117A - generator gas scrubber : en fr
  • FR756998A - Tamper-proof automatic safety starter : en fr
  • DE550753C - Pump, especially for pumping lubricants and fuels, with rotating and reciprocating pistons : de en
  • DE588469C - Safety switch for the electrical systems of motor vehicles : de en
  • CA337994A - Photo tube : en fr
  • CA338069A - Cellulose ester purification : en fr
  • DE590036C - Coal dust firing with several nozzles for fuel and additional air : de en
  • US1940146A - Process of purifying phenolphthalein : en
  • CA338013A - Display package : en fr
  • CA337940A - Heater : en fr
  • CA338053A - Road paving method : en fr
  • AU1326133A - Improvements in and relating to the inflations for teat cups : en
  • US1940251A - Carburetor : en
  • US1940264A - Electric heading machine and control therefor : en
  • AU1013032A - An improved chemical hygroscope : en
  • DE589968C - Process for carrying out catalytic reactions : de en
  • US1939648A - Fastening-inserting machine : en
  • USD91214S - Design for an advertising novelty : en
  • CA337925A - Tool handle fastener : en fr
  • AU1266033A - Improved sterilizing and docking instrument for lambs andother animals : en
  • GB403161A - Steering wheels of self-propelled vehicles : en
  • GB403240A - Improvements relating to the crystallization of substances that crystallize exothermically : en
  • AU1049332A - An improved frame receiver for radio reception : en
  • AU1053732A - Improvements in doable-hung metal windows : en
  • AU1010132A - Improved recording and signalling means for cash registers andthe like : en
  • US1939972A - Sewing machine binder : en
  • US1939750A - Method of and machine for operating upon soles : en
  • US1940427A - Vertical multicylinder four-stroke cycle internal combustion engine : en
  • US1940614A - Ignition mechanism : en
  • FR757112A - Periodic switch intended particularly for flashing lighting devices : en fr
  • CA338068A - Vegetation stimulating method : en fr
  • DE589971C - Process for the preparation of 4, 8-dioxy-1, 2, 5, 6-dibenzophenazines : de en
  • DE589998C - Printed, written on or marked paper in the form of maps, documents or drawings : de en
  • FR756976A - Device for adjusting the speed of rotation of the woolen rollers : en fr
  • FR756992A - Process for the manufacture and molding of hard metal alloys and articles, in particular cutting tools, drawing tools, etc., made of such alloys : en fr
  • GB403204A - Improvements in or relating to electrical musical instruments : en
  • GB403688A - Improvements in or relating to electric conductors : en
  • US1939708A - Catalysts for the production of methanol and other carbon compounds : en
  • US1939860A - Filtering material and method of preparing the same : en
  • US1940258A - Connecting link : en
  • AU1049932A - Improvements in and relating to fuel saving stoves : en
  • US1939927A - Seesaw : en
  • US1940022A - Braking apparatus : en
  • FR757010A - Process for manufacturing covers and protective sleeves for books, notebooks, registers and the like : en fr
  • US1940649A - Process for purifying unrefined hydrocarbon oils by action of high pressure hydrogen : en
  • US1940149A - Razor : en
  • DE590075C - Two-motor gripper control : de en
  • GB403279A - An improved adjustable support for floor centering : en
  • US1940443A - Milling machine : en
  • USD91202S - Design for an electrode housing : en
  • DE543176C - Process for packaging goods which are sensitive to the effects of weather or the like : de en
  • FR757263A - Basket for cooking eggs : en fr
  • GB403210A - Improvements relating to vibratory screens or riddles : en
  • GB403157A - Improvements in flying machines : en
  • FR757166A - Manufacturing process of semi-rigid objects in fabric or decorative paper visible through an appropriate plastic support : en fr
  • US1939871A - Apparatus for vulcanizing hose : en
  • FR757348A - Hunting or war rifle stock with magazine and ejector for dagger or other bladed weapon or auxiliary tool : en fr
  • DE589937C - Control slide for oil pressure controls with control edges to which control openings are assigned in a control sleeve : de en
  • GB403143A - Improvements in devices for cleaning the bores of tobacco pipes : en
  • GB403347A - Improvements in or relating to stern posts, in particular for cargo vessels : en
  • DE589993C - Fuel filter with fuel cock : de en
  • US1939973A - Gelatinized starch product : en
  • GB403191A - Improvements in rotary fluid clutch and variable gears employing cylinders and pistons : en
  • GB403250A - Improvements in roller skates : en
  • FR757180A - Methods of arranging sheets bound together and folded over one another : en fr
  • GB403259A - Means for preventing rain from dropping off the foreparts of macintoshes, and like waterproof garments : en
  • US1939988A - Automatic oil purifier : en
  • US1940521A - Pole finder : en
  • US1939657A - Hand bag : en
  • US1939790A - Can piercing and dispensing device : en
  • US1940657A - Ammunition : en
  • USD91227S - Design for a toy : en
  • USD91198S - Design for a textile fabric : en
  • DE589928C - Process for the production of objects with a large crystalline structure from refractory metals : de en
  • FR756929A - Packaging retaining its shape in thin material : en fr
  • FR757290A - Method and device for adjusting the reactive power of an alternating current electrical distribution : en fr
  • GB403377A - Improvements relating to radio direction finders : en
  • GB403683A - Improvements in apparatus for controlling the speed of power driven vehicles : en
  • FR756906A - Device for cleaning with liquids or dry : en fr
  • GB403252A - Improvements in photometric apparatus : en
  • GB403388A - The manufacture of new secondary disazo dyestuffs and their application : en
  • GB403138A - Apparatus for playing a race game of skill : en
  • GB403375A - Upholstering material made of rubberised fibres and process for its production : en
  • US1940407A - Spring-engaged shoe clutch : en
  • DE589980C - Bearing insert for electrical machines : de en
  • FR757130A - Soluble Ink Reservoir Pen Holder : en fr
  • FR757259A - Finger guard device for doors : en fr
  • FR757288A - Improvements in the installation of electrical switches whose operation involves the use of pressurized gas : en fr
  • GB403437A - Improvements in or relating to short wave oscillation generators : en
  • DE590063C - Device for controlling vehicles with internal combustion engines and electrical power transmission : de en
  • US1940316A - Liquid filter : en
  • US1940346A - Device for controlling the flow of gas in gas lines : en
  • US1940404A - Feeding mechanism for machine tools : en
  • FR757324A - Improvements in the manufacture of artificial materials : en fr
  • DE589969C - Process for the production of formaldehyde condensation products from urethane and urea in aqueous solution : de en
  • FR756924A - Welding improvements : en fr
  • US1940216A - Lawn mower : en
  • US1939786A - Boring tool fixture : en
  • US1939699A - Gun mount : en
  • US1939985A - Feed mechanism : en
  • FR757184A - Air pump for inflating tires : en fr
  • US1939898A - Loud speaker construction : en
  • US1939692A - Accelerator for rubber vulcanization : en
  • US1940186A - Method and apparatus for loading metal : en
  • DE590038C - High-tin bearing metals : de en
  • GB403150A - Improvements in or relating to the separation of materials of different specific gravities : en
  • US1939853A - Transport for lawn mowers : en
  • US1940472A - Interference eliminator : en
  • US1940630A - Glow lamp : en
  • US1940467A - Steam heating system : en
  • US1940599A - Temperature controlling device : en
  • CA338018A - Silicon carbide resistor : en fr
  • US1939676A - Cellulose nitrate coating composition : en
  • US1940121A - Cutting machine : en
  • CA338075A - Insect exterminator : en fr
  • AU1053932A - Fastening device for wrist straps, belts andthe like : en
  • CA337977A - Gas producer device : en fr
  • DE590037C - Blower with a rotating body as a housing and a swash plate : de en
  • US1940066A - Copper containing azodyestuff : en
  • GB403164A - Improvements in or relating to the recording of sound : en
  • US1940136A - Process of sulphite cellulose digestion : en
  • US1940306A - Floor covering : en
  • US1940333A - Propeller : en
  • US1940441A - Car unloader : en
  • US1939751A - Well pumping unit : en
  • DE590068C - Method and device for cooling furnace components exposed to high temperatures, such as wind nozzles, nozzle pipes or the like, in particular for gas generators : de en
  • DE590081C - Grafting tool : de en
  • CA337933A - Brake : en fr
  • CA337936A - Liquid container cover and brush holder : en fr
  • CA337960A - Sulphide material processing : en fr
  • GB403254A - Improvements in or relating to buffers for the pickers or drivers of power looms : en
  • GB403330A - Improvements in or relating to manoeuvre signalling devices for use on road vehicles : en
  • DE589888C - Traffic signal system : de en
  • DE589990C - Device for lighting cigarettes for self-sellers : de en
  • GB403436A - Improvements in or relating to the filtration of slimes : en
  • US1940620A - Process of dehydrating magnesium and similar chlorides : en
  • AU1005032A - Improvements in agitators for washing machines : en
  • US1939826A - Railway draft rigging : en
  • US1940342A - Radio instrument : en
  • US1940365A - Razor sharpening device : en
  • AU1045132A - An improved catch for animal traps : en
  • AU1111633A - Improvements in and relating to sewing machines : en
  • US1940558A - Cleaning composition : en
  • DE590017C - Slicing machine with vertical circular knife : de en
  • DE590150C - Pendulum mounting of side by side arranged wheel axles on the frame, especially of motor vehicles : de en
  • DK48171C - Cellular Packing for Eggs, Fruits and the like. : da en
  • US1940025A - Farm dumping vehicle : en
  • US1940488A - Sand dredging apparatus : en
  • CA337915A - Tobacco smoking apparatus : en fr
  • CA338074A - Pneumatic transport system : en fr
  • US1939890A - Structural material, capable of withstanding halogen hydracids : en
  • US1939980A - Liquid dispenser : en
  • US1940071A - Food preparing and delivering apparatus : en
  • GB403262A - Improvements in or relating to guiding devices for automobile vehicles adapted to run either on a road or on a railway track : en
  • US1940417A - Bituminous pavement : en
  • US1939919A - Machine for repairing runs in hosiery and knitted fabric : en
  • US1940403A - Lathe : en
  • CA337966A - Resilient tire forming apparatus : en fr
  • US1940353A - Method of reducing frozen liquid : en
  • FR756947A - Incandescent cathode rectifier filled with gas or steam : en fr
  • CA337918A - Calendar : en fr
  • US1939880A - Golf ball cleaning device : en
  • US1940286A - Box and crate : en
  • CA337917A - Picture puzzle : en fr
  • CA337951A - Fabric revivifying device : en fr
  • US1939673A - Mining machine : en
  • US1939928A - Handle-stop for railway car side doors : en
  • US1940401A - Shell cupola : en
  • CA338057A - Pie making machine : en fr
  • US1940512A - Label holder : en
  • US1940636A - Method of covering cushion seats and the like : en
  • US1939843A - Insulating method and product thereof : en
  • US1939872A - Coupling for flexible hose : en
  • US1939688A - Surgical knife : en
  • US1939920A - Resilient tread for shoe bottoms : en
  • USD91188S - Design fob safety paper : en
  • DE580206C - Process for the production of waterproof sandpaper, cloth or the like. : de en
  • FR757269A - Mainly flat and rotating table : en fr
  • GB403313A - Improvements in or relating to automatic firearms : en
  • US1939672A - Method and means for making films or layers and conditioning the temperature of viscous masses : en
  • US1940010A - Convertible shipping carton : en
  • US1939833A - Garment bottom cutter : en
  • US1940479A - Method and apparatus for forming tubular objects : en
  • DE589910C - Zipper : de en
  • DE589936C - Photographic camera with a mirror rangefinder coupled to the lens : de en
  • GB403172A - Improvements in apparatus for locating lids on cans and the like containers in proper position for the final closure operation : en
  • CA337997A - Conductor insulation impregnating method : en fr
  • DE589884C - Sliding window in which the weight of the sash is balanced by the force of a spring : de en
  • US1939641A - Wheel : en
  • USD91210S - Design for a cabinet : en
  • CA338049A - Fluid feeding system : en fr
  • US1940369A - Gutter hanger : en
  • US1940631A - Dry cleaning apparatus : en
  • US1939651A - Compartment box : en
  • US1940208A - Filter : en
  • US1940249A - Device for equalizing strains on hoisting ropes : en
  • US1939854A - Stoker : en
  • US1939800A - Display refrigerator : en
  • US1940164A - Apparatus for and process of freezing comestibles : en
  • CA337973A - Musical instrument : en fr
  • CA337929A - Brooder stove : en fr
  • US1939669A - Ticket punch : en
  • US1940526A - Apparatus for sorting cigarettes : en
  • CA337920A - Textile operation : en fr
  • AU1055732A - An improved puncture sealing compound : en
  • CA337965A - Retaining wall : en fr
  • US1940127A - Safety device for gas burners : en
  • FR757249A - Portable laboratory vacuum pump : en fr
  • FR757346A - Fluid coupling for transmission of circular motion, with automatically variable speed ratio, applicable to all motor vehicles : en fr
  • GB403351A - Improvements in or relating to liquid shock absorbers : en
  • CA337998A - Welding apparatus : en fr
  • CA337968A - Carpenter's tool : en fr
  • CA338051A - Radial motor manifold and muffler : en fr
  • US1940598A - Trick wheel for knitting machines : en
  • USD91187S - Design fob safety paper : en
  • US1939799A - Lead of high resistance against the action of hot sulphuric acid : en
  • US1940215A - Button-member for garters : en
  • US1939756A - Power transmitting mechanism : en
  • US1939874A - Method for the production of steel : en
  • US1939940A - Sound recording and reproducing device : en
  • DK48165C - Procedure for saturating mineral acids, non-liquid Raw phosphate digestion products with ammonia. : da en
  • CA338072A - Yarn winding apparatus : en fr
  • US1939861A - Power head : en
  • US1940579A - Joint for concrete and similar pipe : en
  • FR756995A - Further training in stoves and cookers : en fr
  • FR757289A - Luminous and alternative projection advertising devices : en fr
  • FR757265A - Machine to fix the heels of shoes temporarily on their seats : en fr
  • GB403251A - Improvements in the manufacture of crepe fabrics : en
  • CA337969A - Road material mixing machine : en fr
  • DE589996C - Process for the production of a long-life processed cheese with a smoky taste : de en
  • US1939845A - Brake cylinder protector : en
  • US1940256A - Induction furnace : en
  • US1940347A - Refrigeration system with multiple impellers and shell evaporators : en
  • CA337971A - Aluminum silicon alloy : en fr
  • US1939686A - Radiant energy distance determining system : en
  • US1940448A - Separating metals : en
  • US1940497A - Shear : en
  • US1939945A - Shoe sewing machine : en
  • CA337992A - Motion-picture apparatus : en fr
  • US1940224A - Sleeping garment for babies : en
  • GB403190A - Improvements in and in the production of books, albums and the like : en
  • DE590131C - Flange, especially for hot water storage tanks with several to accommodate electrical heaters, controllers and the like. Like serving, unilaterally closed sleeves : de en
  • GB403237A - Improvements relating to automatic brakes of railway and like vehicles : en
  • US1940050A - Process for obtaining refined hydrocarbons from heavy unrefined hydrocarbons : en
  • US1940223A - Method of producing seamless celluloid articles from bars of celluloid : en
  • US1939714A - Sterilizing means : en
  • US1940162A - Method and equipment for handling strain insulators : en
  • CA337912A - Gas burner : en fr
  • FR756919A - Felt hat : en fr
  • FR757016A - Footwear manufacturing process and resulting products : en fr
  • FR757237A - Improvements to carpets made of rubber elements : en fr
  • CA337981A - Weaving mechanism : en fr
  • GB403148A - Improvements in connecting metal parts of engines which are subject to stress : en
  • DE590032C - Device for measuring the mercury vapor pressure in rectifiers : de en
  • US1940475A - Micrometer gauge : en
  • US1940486A - Glue product and method for preparing the same : en
  • US1940561A - Apparatus for uniting wax paper : en
  • CA338063A - Tufted rug : en fr
  • DE589855C - Device for plastering walls and ceilings : de en
  • CA338017A - Receptacle : en fr
  • US1939706A - Apparatus for conducting training in gunnery : en
  • FR757257A - Process for manufacturing saw blades and blades obtained by this process : en fr
  • US1939775A - Automatic steering mechanism : en
  • US1939909A - Road roller and trailer : en
  • US1939916A - Temperature regulation : en
  • US1939979A - Lubricating oil : en
  • US1940352A - Process for treating powdered coal : en
  • DE589934C - Nozzle system for metal spray guns : de en
  • GB403331A - Improvements in and relating to envelopes and the like : en
  • CA10168S - Tire : en
  • CA338056A - Air conditioning apparatus : en fr
  • CA338080A - Golf club shaft : en fr
  • DE590098C - Process for refining water-containing solid fuels : de en
  • FR757137A - Barge or other afloat transhipment device : en fr
  • GB403160A - Improvements in fluid-pressure measuring devices : en
  • US1940047A - Cabinet construction : en
  • FR756905A - Improvements to remote control systems : en fr
  • GB403950A - Process for preparing silicon steel sheets for electrical purposes : en
  • FR757191A - Variable profile airplane wing : en fr
  • GB403208A - Improvements in and connected with the production of luminous signs, drawings or designs in electric gas discharge lamps : en
  • GB403245A - Improvements in or relating to the supercharging of internal combustion engines : en
  • US1940014A - Process for dewaxing hydrocarbon oils : en
  • US1939797A - Paper drinking cup and manufacture of same : en
  • US1940355A - Furnace control : en
  • GB403213A - Improvements in machines for producing concrete reinforcing members : en
  • DE589966C - Process for drying wet-cleaned SO gases : de en
  • DE590092C - Swiveling one-armed support arm for spindles of spinning, twisting and similar textile machines : de en
  • FR756940A - Wheel pipe cutter with quick clamping and slow cutting : en fr
  • FR756951A - Windscreen wiper refinements : en fr
  • FR757281A - Automatic relay : en fr
  • FR757078A - Game : en fr
  • FR757277A - Steel piston : en fr
  • FR757325A - Tuning indicator : en fr
  • GB403149A - Improvements in or relating to means for nullifying or reducing reflections, for use in picture galleries and the like : en
  • GB403392A - Improvements in or relating to the production of lubricating oil : en
  • DE590029C - Device for the pressure evaporation of liquefied gases at the consumption points : de en
  • GB403352A - Improvements in or relating to gramophones : en
  • GB403231A - Improvements in or relating to cabinets for wireless receiving apparatus : en
  • CA338033A - Binding device for boxes : en fr
  • CA338012A - Nitrocellulose powder : en fr
  • DE589940C - Process for the production of glazes on concrete bodies : de en
  • US1940232A - Film feed for moving picture cameras : en
  • US1939749A - Production of negative for offset printing plates : en
  • US1940603A - Vending machine : en
  • USD91191S - Design fob a toy : en
  • US1940415A - Drill : en
  • USD91203S - Design fob an ensemble dress : en
  • US1939766A - Transmission device : en
  • US1940075A - Smoking pipe : en
  • CA338032A - Manufacture of nitrate of lime in globular form : en fr
  • GB403675A - Hand grenade : en
  • US1940059A - Waterinsoluble azodyestuff : en
  • US1940198A - Apparatus for cleaning gas : en
  • US1940432A - Art of dispersing water-immiscible bodies : en
  • FR756953A - Improvements relating to the manufacture of hydraulic cement : en fr
  • US1940612A - Process and apparatus for electrolytic production of carrel-dakin solution : en
  • DE590093C - Racing game : de en
  • GB403131A - Improvements in automatic turret lathes : en
  • GB403159A - Improvements in and relating to the manufacture of mouldings and shaped sections by means of abrasive wheels : en
  • GB403273A - Improvements in or relating to synchronous clocks comprising a striking mechanism : en
  • US1940001A - Amplifying system : en
  • US1940383A - Phosphorus amide-aldehyde resin and method of preparing the same : en
  • US1940569A - Folding table leg brace : en
  • US1940581A - Automatic machine for making bottle caps : en
  • DE590020C - Device for digging excavations under water : de en
  • FR757071A - Improvements to electric motors : en fr
  • CA338076A - Insect exterminator : en fr
  • US1940250A - Power press : en
  • CA337909A - Gas saving machine : en fr
  • US1940293A - Refuse destructor : en
  • DE589985C - Leaching drum : de en
  • DE590031C - Arrangement on sieve chains connected in high-voltage circuits, designed as coil lines : de en
  • GB403390A - Improvements in pistons : en
  • US1939744A - Receptacle : en
  • US1940236A - Change gear control mechanism : en
  • USD91220S - Design fob a kadiocabinet ob the like : en
  • FR757196A - Double piston air compressor and mobile pump body : en fr
  • FR757210A - Transposition of combined glasses without calculations : en fr
  • GB403207A - Improvements in or relating to apparatus for spraying paint and other liquids : en
  • FR756972A - Fastener Insertion Machines Improvements : en fr
  • FR757009A - Device for preparing beverages containing carbonic acid : en fr
  • US1940157A - Paint can and brush holder : en
  • FR757023A - Insulating pad fuse cartridge : en fr
  • US1939685A - Radiant energy distance determining system : en
  • US1940170A - Weed burner : en
  • US1940453A - Time reminding device : en
  • US1940591A - Protecing apparatus for insulators : en
  • FR757131A - Remote level indicator for tanks : en fr
  • FR756955A - Folding bed : en fr
  • DE590139C - Flywheel starter : de en
  • US1940372A - Method of obtaining phytosterol, fatty acids and resin acids from raw soap or liquidresin obtained in the manufacture of cellulose according to the sulphate method : en
  • US1940564A - Sandwich filling device : en
  • US1940101A - Variable speed transmission : en
  • US1940344A - Fluid motor : en
  • US1939778A - Piston : en
  • US1939922A - Centering device for loud speaker cones : en
  • US1940590A - Device for rapidly making cross sections of fibers : en
  • FR757031A - Toothbrush : en fr
  • GB403429A - An undershot water-wheel sewage agitator, which moves by impulse of flowing sewage only in a direction at right angles to the flow : en
  • CA337982A - Foundry moulding machine : en fr
  • DE589834C - An electrical oscillating circuit with very low capacitance that serves as frequency standards, especially for high frequencies : de en
  • DE590018C - Aid for adjusting the shaft height on the last : de en
  • DE590045C - Manufacture of motor vehicle wheel disks with sharp step rings made of affordable light metal : de en
  • US1940173A - Mold : en
  • US1940550A - Brake operating mechanism : en
  • DE589895C - Process for the production of coarse coke from brown coal briquettes : de en
  • FR757098A - Advanced rear support for flying machines : en fr
  • GB403144A - A device for generating power steam by the use of electricity : en
  • FR756934A - Wheel for motor vehicle : en fr
  • AU1052332A - Improved seed drill : en
  • CA337952A - Photo enlarging and printing machine : en fr
  • US1940151A - Sound picture machine : en
  • US1940624A - Dry spicing : en
  • FR757003A - Separator bowl with discharge fittings : en fr
  • US1940116A - Rotary hammer : en
  • US1940294A - Die : en
  • US1939791A - Can piercing and dispensing device : en
  • DE590076C - Flue gas collection hood of an upright, cylindrical boiler : de en
  • FR757246A - Process for the manufacture of easily reacting thorium oxide and for the transformation of the latter into thorium salts : en fr
  • DE589891C - Double ball game with opposing playing fields : de en
  • GB403424A - Improvements in and relating to folding tables and the like : en
  • US1940627A - Indicating plug fuse : en
  • US1940452A - Double poppet check valve : en
  • FR757240A - Improvements to audible warning devices, using aero-dynamic action : en fr
  • US1939666A - Stapling machine : en
  • US1940315A - Rubber article : en
  • US1940556A - Towing device : en
  • GB403223A - Improvements in and relating to crank shaft balancing : en
  • GB403314A - Process for the primary clouding of enamel glazes : en
  • US1939925A - Paper slitting apparatus : en
  • USD91205S - Design fob a textile fabric : en
  • FR757219A - Improvements to igniters : en fr
  • USD91212S - Design for lace : en
  • FR757441A - Driving mechanism for sewing machines : en fr
  • US1939949A - Smoke treating device : en
  • US1940431A - Aqueous dispersion of montan wax and other water-immiscible bodies and process of making : en
  • US1939885A - Molding apparatus : en
  • CA337970A - Aluminum base alloy : en fr
  • CA338067A - Steam plant : en fr
  • US1940651A - Process for producing refined hydrocarbon oils from unrefined hydrocarbon material : en
  • FR756996A - Swimming pool improvements : en fr
  • GB403276A - Improvements in or relating to the manufacture of sheet metal piles : en
  • GB403703A - Improvements in apparatus for the treatment of sewage : en
  • FR757116A - Method and device for working iron parts and the like : en fr
  • GB403346A - Improvements in the construction of roadways : en
  • GB403711A - Improvements in or relating to sheet delivery apparatus for printing machines : en
  • US1940024A - Portable tool : en
  • US1940546A - Dustpan : en
  • DE590035C - Russblaeser : de en
  • US1940388A - Pneumatic hand tool : en
  • US1939977A - Transfer holder : en
  • US1940171A - Nozzle : en
  • US1940226A - Carburetor : en
  • AU814832A - Improvements in oilcans : en
  • FR757307A - Improvements in processes to make nitrosyl chloride usable : en fr
  • GB403192A - Improvements relating to bucket fountains for poultry and the like : en
  • FR757338A - Imitation leather : en fr
  • GB403202A - Improvements in or relating to hotel register indicators for displaying variable information : en
  • FR757099A - Device for the recovery of marine torpedoes : en fr
  • US1940222A - Tube testing system : en
  • US1940288A - Fiberboard box : en
  • GB403139A - Improved method of and means for the recovery of waste mineral oil from internal combustion engines : en
  • US1940225A - Electric cable : en