• USD94509S - Design for a grill : en
  • US1989690A - Apparatus for looping sheet material : en
  • US1990418A - Shoemaking stand : en
  • US1989991A - Hair curler : en
  • US1989659A - Carton : en
  • CA348031A - Production of fibrous materials from skins and hides : en fr
  • DE609169C - Spray and charging electrode for electric gas cleaners : de en
  • US1989825A - Dust mop : en
  • US1989864A - Rotary pump : en
  • US1989959A - Laminated glass : en
  • US1989712A - Process of producing wall plaster : en
  • US1990125A - Fuel pump shield : en
  • US1990392A - Automatic clamp for paper cutting machines : en
  • US1989708A - Airship : en
  • US1989756A - Process of producing concentrated fertilizer : en
  • US1989769A - Securing device : en
  • US1989829A - Control system : en
  • US1990197A - Bearing mechanism for valve stems : en
  • GB423678A - Ingot stripping apparatus and methods of controlling the operation of such apparatus : en
  • US1989943A - Apparatus for use in connection with the making of bags : en
  • US1990043A - Ironing machine : en
  • US1990128A - Garment hanger : en
  • USRE19445E - Remote control system : en
  • US1989754A - Apparatus for advancing film across a sound aperture : en
  • US1990430A - Gauging tool for spark plugs : en
  • AU1740734A - Improvements in cannister lids : en
  • US1989760A - Container and dispensing apparatus : en
  • US1990136A - Loose leaf structure : en
  • US1990213A - Removal of substances forming resins from benzines : en
  • US1990220A - Slide for extensible windows : en
  • CA347970A - Card holder : en fr
  • USD94522S - Design fob a shoe : en
  • GB423818A - Improvements relating to cartons or boxes for sweetmeats and other articles : en
  • US1990221A - Manifolding book : en
  • DE609123C - Flue gas heater : de en
  • DE609093C - Device for driving routes in underground pits : de en
  • FR777026A - Track section monitoring device : en fr
  • GB423615A - Oscillation dampers for vehicles running or operating on rails or tramways : en
  • GB423708A - A method of making mercury switches : en
  • DE608907C - Reflection water level glass with prismatic outer surfaces : de en
  • DK49839C - Axle bearing for Rail vehicles. : da en
  • US1989700A - Manufacture of aldehydic compounds : en
  • US1990087A - Radio socket : en
  • CA347956A - Plastic dispensing faucet : en fr
  • DE609023C - Device for limiting the lateral displacement of the lengthwise part rail in feeding devices for panels for punching and drawing presses : de en
  • CA348082A - Mixing apparatus : en fr
  • CA348092A - Garment : en fr
  • CA347989A - Supercharged engine : en fr
  • US1990029A - Device for the cleaning of grooved rails : en
  • GB423681A - Draw-bar and coupling for lawn mowers : en
  • US1989892A - Apparatus for producing pulverulent hydraulic binders with bituminous constituents : en
  • US1990190A - Gaseous electric discharge device : en
  • US1990376A - Process of deinking paper : en
  • GB423521A - Azo dyestuffs and their manufacture : en
  • GB423778A - Regulating means for carburettors : en
  • US1990200A - Surgeon's absorbent mask : en
  • US1990462A - Propelling mechanism for aircraft and the like : en
  • FR776906A - Crusher for coal or the like : en fr
  • FR776951A - Protective cover for food products : en fr
  • US1990146A - Gaseous electric discharge device : en
  • USD94479S - Design for a knitted dress : en
  • US1989838A - Mine : en
  • US1990276A - Duplicating machine : en
  • US1990143A - Antiglare device and method of making it : en
  • US1990223A - Sectional reflector sign : en
  • FR776765A - Window regulator with ventilation mechanism : en fr
  • DE609215C - A sprung vehicle saddle carried by a saddle support designed as an angle strut : de en
  • FR776940A - Country shower device : en fr
  • DE609105C - Device for introducing charge or other additives into iron melted in the foundry shaft furnace : de en
  • FR776828A - Further training in the manufacture of safety glass : en fr
  • CA347964A - Drain flushing device : en fr
  • US1990230A - Animated display device : en
  • DK49826C - Upholstery Stopping Device. : da en
  • US1990428A - Synchronizing system : en
  • DE609097C - Stapled : de en
  • DE609094C - Process for producing dyes on the fiber : de en
  • FR776762A - Motor vehicle body : en fr
  • DE608971C - Cable connection device with detachable terminal connections for the cable cores : de en
  • FR776752A - Jaw system for connecting rod crusher : en fr
  • FR776898A - Process for improving the incorporation of gelatin into rubber : en fr
  • FR776845A - Suction cup or suction nozzle for vacuum cleaning devices : en fr
  • GB423767A - Process for the industrial extraction of the constituents of natural and artificial silica compounds : en
  • GB423503A - Improvements in filter plugs or wads for cigarettes and in their manufacture : en
  • GB423659A - An improved tuned silencer for an air intake for an engine : en
  • US1989698A - Selecting mechanism : en
  • US1989973A - Apparatus for recording electrical impulses : en
  • DE608463C - Process for the production of pipes with wall thickness thickened only in one place : de en
  • DE609062C - By a liquid or gas, e.g. B. air or steam flow actuated suction device : de en
  • FR776758A - Radio receiver : en fr
  • FR776775A - Improvements to devices for discharging pressurized fluid containers : en fr
  • GB423551A - Improvements in or relating to pressure lubricators : en
  • US1990191A - Foldable bird container : en
  • US1990345A - Variable speed transmission : en
  • DE609135C - Switching device for planetary gear change gear : de en
  • FR776892A - Optical sound transmission device : en fr
  • FR776755A - Machine for counting change : en fr
  • DE609206C - Device for allocating pasty (viscous) masses : de en
  • FR776863A - Improvements in automobile suspensions, and the like : en fr
  • IE13278L - Aircraft with freely rotative wings : en
  • FR776894A - Process for manufacturing hollow bodies by centrifugal casting, and apparatus for implementing this process : en fr
  • FR776786A - Improvements to processes and installations for the transport and distribution of gas : en fr
  • GB424250A - Improvements in or relating to the preparation or treatment of artificial materials : en
  • FR776936A - Process for enriching steels in silicon and deoxidizing them at the same time if necessary : en fr
  • FR776818A - Closure for cardboard and other similar receptacles : en fr
  • CA347932A - Nitrogen and hydrogen mixture : en fr
  • US1989801A - Doorlatch : en
  • US1990000A - Tire tool : en
  • US1990446A - Apparatus for separating liquids from solids : en
  • DK49840C - Device for electric irons. : da en
  • CA348005A - Corrosion inhibitor : en fr
  • DK49824C - Bicycle, of the kind propelled by both arm and leg work. : da en
  • US1990420A - Veil and method of forming same : en
  • US1990080A - Moistureproof material : en
  • FR776858A - Bright pigment, process for its preparation and use : en fr
  • FR776864A - Independent wheel suspension for motor vehicles and the like : en fr
  • DE609078C - Stapler, in particular for attaching address boards or the like to boxes : de en
  • US1990302A - Air pistol : en
  • US1990312A - Tappet : en
  • USD94506S - Design for a shoe : en
  • DE608909C - Arrangement for the supply of an additional amount of working fluid for high-speed tube evaporators : de en
  • GB423705A - Improvements in and relating to apparatus for giving coloured and changing lighting effects : en
  • GB423695A - Improvements in and relating to stranded electric conductors : en
  • GB423779A - Improvements in discharge cocks : en
  • GB423850A - A clock with invisible drive : en
  • FR776927A - Signaling for railway tracks : en fr
  • CA347996A - Shock absorbing mounting : en fr
  • FR776886A - Appliance to concentrate musts, steam and double heat recovery : en fr
  • US1990123A - Loom temple : en
  • GB423745A - Improvements in liquid power transmission gears : en
  • US1989920A - Container carrying vehicle : en
  • GB423524A - Improvements in and relating to machines for liquid treatment of textile materials, such as hanks or skeins of yarn : en
  • GB423817A - Improvements in protective arrangements for electric commutator motors : en
  • GB423646A - Improvements in or relating to means for regulating the relative fibre content or density of stock mixtures for the manufacture of paper : en
  • FR776962A - Grid for gas stoves : en fr
  • GB423702A - Improvements relating to electron discharge devices : en
  • US1990032A - Folding table : en
  • DE609125C - Record holder : de en
  • DE608969C - Cable splicing machine for manual operation : de en
  • US1990103A - Copyholder : en
  • FR776893A - Perforated anode x-ray tube : en fr
  • FR776882A - Improvements to engines, pumps, compressors and in general cylinder and piston machines : en fr
  • GB423567A - Improvements in x-ray tubes : en
  • GB423771A - Improvements relating to reinforced concrete construction : en
  • US1990148A - Bottle capping machine : en
  • FR776763A - Medical suction device : en fr
  • US1990433A - Manufacture of highly esterified soluble mixed cellulose esters : en
  • US1989812A - Apparatus for die casting : en
  • US1990140A - Method and apparatus for producing metal bars with transverse ribs : en
  • GB423831A - Improvements in tables or the like with collapsible legs : en
  • GB423930A - Improvements in methods of and furnaces for burning granular fuel and the like : en
  • DE609172C - Device for cleaning round and oval inner sealing surfaces and the corresponding lids : de en
  • US1989898A - Sealing-in apparatus : en
  • US1989673A - Brake mechanism : en
  • CA348066A - Optical system : en fr
  • US1989746A - Radius rod for motor vehicles : en
  • US1989997A - System of heating and cooling : en
  • US1990054A - Header pick-up : en
  • US1990105A - Feed mechanism for gathering tables and the like : en
  • US1990274A - Polarizing electrolyte : en
  • FR776913A - Filling machine : en fr
  • DE609003C - Device on filtering or straining devices for cleaning the strainer covering : de en
  • DE609157C - Electrically heated melting furnace : de en
  • FR776811A - Starter for internal combustion engines : en fr
  • GB423574A - Improved weft-feeder for weaving looms with continuous weft feeding : en
  • GB423929A - Improvements in and relating to reciprocating ram pumps : en
  • DE609013C - Device in the shuttle to cause the automatic shutdown of a loom by tearing off the weft thread before the weft bobbin runs idle : de en
  • US1989916A - Washing machine : en
  • US1989939A - Abrading machine : en
  • US1990153A - Internal combustion engine : en
  • CA348085A - Hosiery : en fr
  • US1989833A - Adhesive : en
  • US1990028A - Braiding machine : en
  • US1990261A - Power factor controller : en
  • DE609089C - A tool consisting of a die and a patrix that can be used as a whole in a perforating machine : de en
  • FR776796A - Process for separating fusible metals by liquation : en fr
  • US1989738A - Liquid dispensing apparatus : en
  • CA347987A - Furnace wall : en fr
  • DE608923C - Letter sorting system : de en
  • US1990025A - Brush : en
  • US1990111A - Filling parting means for temples : en
  • USD94497S - Design fob a burial : en
  • US1989715A - Self-sealing valve : en
  • US1990127A - Potato peeler : en
  • US1990415A - Thrust rod typewriter without shifting device : en
  • CA347958A - Bottled liquid cooler : en fr
  • CA348058A - Pasteurizing and deodorizing apparatus : en fr
  • CA348074A - Hydraulic cement : en fr
  • US1990273A - Soldering flux : en
  • DE609053C - Valveless pump with revolving control slide as well as pump cylinders and pistons arranged transversely to its longitudinal axis : de en
  • CA348091A - Garment : en fr
  • DE609121C - Flame filter that serves as a diaphragm in the flameless surface combustion : de en
  • US1990108A - Window silencer : en
  • US1990454A - Apparatus for and method of stretching garments : en
  • DE601428C - Terminal for electrical overhead lines : de en
  • US1989748A - Muticolor filter, used in taking and projecting photos on lenticulated films : en
  • US1990044A - Electrophonic filter : en
  • US1990349A - Manifolding machine : en
  • DK49842C - Ajlehane. : da en
  • US1990281A - Practice golf club : en
  • GB423516A - Improvements in transmission networks for coupling an antenna to a radio receiving system : en
  • DE609117C - Process for the preparation of monoazo dyes : de en
  • DK49843C - For use in washing and combing cattle and other animals Spray nozzle with comb teeth. : da en
  • FR776880A - Parachute training : en fr
  • GB423552A - Improvements in amplifiers for use in wireless receiving sets and other purposes : en
  • FR776751A - Automatic racing game machine, with token dispenser : en fr
  • US1989918A - Staple remover : en
  • DE609220C - Disc roller classifying grate : de en
  • FR776975A - Medicated ovotopics with grip collar : en fr
  • US1989719A - Lubricating device : en
  • US1990362A - Machine and method for finegrading roadbeds : en
  • FR777001A - Process and electrolysers for the production of alkali or alkaline earth metals : en fr
  • US1990309A - Valve construction : en
  • FR777035A - Extendable table for the immediate molding and demoulding of all solid or hollow concrete parts, reinforced or not : en fr
  • GB423624A - Improvements in or relating to batching motions for presses and other machines for intermittently operating upon webs of fabric or other material : en
  • USRE19452E - Cotter key : en
  • US1990078A - Extrusion apparatus : en
  • US1990323A - Structural expansion unit : en
  • US1990439A - Toilet kit : en
  • US1990201A - Clutch mechanism : en
  • GB423556A - Improvements in printers' blankets : en
  • GB423509A - Improvements in or relating to fabric and like presses : en
  • US1990243A - Lifting jack : en
  • DE608967C - Device for suspending a machine set on a railway passenger car with chassis : de en
  • FR776804A - Number sticker with numbers and openwork signs : en fr
  • GB424243A - Improvements in vehicles such as perambulators, and go-carts : en
  • GB423808A - Improvements relating to loom shedding motions : en
  • US1990144A - Gearing : en
  • US1990183A - Electrooptical system : en
  • US1990408A - Oiling device for conveyer chains : en
  • USD94484S - Design for a control panel for a : en
  • US1990090A - Valve operating mechanism : en
  • FR776900A - Rotating and oscillating sprinkler : en fr
  • GB423688A - Steering wheel : en
  • US1989844A - Punching machine : en
  • US1989992A - Signaling system for railroads : en
  • US1989701A - Cellulose derivative composition : en
  • CA348083A - Initialing device : en fr
  • FR776823A - Improvements to circular looms : en fr
  • US1990256A - Indigoid dyestuff : en
  • US1990409A - Acoustical diaphragm : en
  • DE609109C - Point machine for local and remote control : de en
  • US1990011A - Stirring or scraping apparatus for use in tanks for clarifying liquids and for other purposes : en
  • US1990034A - Mechanical time fuse : en
  • DE609080C - Process for the preparation of oxydiaryla ethers : de en
  • DE609129C - Sausage sleeve : de en
  • FR776795A - Device for automatic adjustment of the mechanical tension of the contact wires of an overhead traction line : en fr
  • GB423805A - Improvements in or relating to lift controlling systems : en
  • GB423906A - Improvements in or relating to coin mechanisms of gas meters : en
  • GB423789A - Device for preventing the rotation or the torsion of a stationary piece of a motor vehicle under the action of a power couple or braking couple : en
  • FR777002A - Internal combustion engine : en fr
  • FR777013A - Hearth for boilers more especially for central heating boilers : en fr
  • DK49849C - Electrode support device, especially for multi-grid pipes. : da en
  • DE609071C - Liquid shock absorbers : de en
  • GB446653A - Improvements in or relating to colored photography : en
  • GB423837A - Improvements in or relating to machines for fashioning articles successively from bar stock : en
  • FR776808A - Simultaneous transmission system, by means of star quads, low frequency alternating currents and carrier alternating currents : en fr
  • GB423802A - An improved device for the projection of moving advertising matter, announcements and the like : en
  • FR776872A - Process for preventing the formation of ice on the surface of road surfaces : en fr
  • FR776961A - Method and devices for obtaining new artificial textiles : en fr
  • US1989899A - Foot exercising device : en
  • DE584191C - Device for forming a fold : de en
  • DE608963C - Reversing piece for turbines with speed gradation : de en
  • FR776819A - Advanced automatic governor for engines : en fr
  • GB447030A - Improvements in methods and installations for the transportation and distribution of gas : en
  • DE609165C - Enamelled items and their manufacturing process : de en
  • GB423763A - Improvements in steam turbine plant for naval propulsion : en
  • GB423849A - Improvements in or relating to electric meters : en
  • US1990426A - Garment : en
  • FR777038A - Improvements to heat-insulated steel objects : en fr
  • FR776802A - Internal combustion engine transforming the rectilinear movement of the pistons into continuous rotary movement without connecting rod or crankshaft : en fr
  • FR776986A - Process for the manufacture and use of regenerable hydrogenating compounds : en fr
  • USD94485S - Design for a range or similar article : en
  • GB423608A - Method of and apparatus for generating a mixture of combustion products and air under pressure : en
  • US1990164A - Gaseous electric discharge lamp device : en
  • US1990214A - Method for removing iron and manganese from water : en
  • FR776767A - Elastic fabric in the width direction and its manufacturing process : en fr
  • GB423724A - Improvements in or relating to ventilators : en
  • FR776826A - Device for mounting the wheels of sedans or the like on tapered roller bearings allowing play to be taken up without any dismantling : en fr
  • GB423707A - Improvements in weighing machines : en
  • GB423806A - Improvements in or relating to lift controlling systems : en
  • GB424042A - Improvements in making sound records photographically : en
  • GB424251A - Improvements in and relating to electric resistance materials : en
  • GB423632A - Improvements relating to suspensions for vehicles : en
  • US1990027A - High chair : en
  • US1990113A - Apparatus for manufacture of cellulose esters : en
  • GB423684A - Improvements to the magnetic separation of materials : en
  • GB446255A - Improvements in or relating to magnetic shunts for electric apparatus : en
  • US1989681A - Moistureproof material and process of making same : en
  • US1990354A - Speed control system for automobiles : en
  • GB423936A - Method of aerating liquids and apparatus therefor : en
  • FR776889A - Electric discharge lamps : en fr
  • US1989863A - Front sight for firearms : en
  • US1990236A - Liquid level indicator : en
  • GB423740A - Improvements in or relating to the manufacture of cigarettes : en
  • US1990452A - Timing mechanism : en
  • US1990459A - Optical instrument : en
  • DE608915C - All-glass injection syringe : de en
  • US1989735A - Method and apparatus for separating sheets from a rolling mill : en
  • US1990211A - Coat and hat hanger : en
  • DE609212C - Propeller arrangement for aircraft : de en
  • FR776770A - Vacuum booster for vehicles or others : en fr
  • GB423541A - New or improved adsorbents and methods of manufacture thereof : en
  • CA348027A - Road construction : en fr
  • DE1325804U - : de en
  • DE609056C - Gearbox with eccentrically mounted cam : de en
  • CA347935A - Endless belt cleaning apparatus : en fr
  • US1989963A - Talking motion picture apparatus : en
  • USD94488S - Design for a shoe : en
  • USD94518S - Design for a button : en
  • DE608944C - Electrical point setting device controlled from the vehicle : de en
  • FR776979A - Manufacturing process of bulbs for electric lamps : en fr
  • GB423836A - Improvements in frictional movement transmitting mechanism for straight-bar knittingmachines : en
  • US1989968A - Process for preparing amides : en
  • US1989938A - Ash receiver : en
  • US1990460A - Manufacture of sponge rubber from latex or rubber solutions : en
  • FR776868A - Turntable with inclined access planes : en fr
  • FR777016A - Process for preparing an antiseptic cotton or dressing : en fr
  • FR776756A - Reinforced cement wall for rough roads : en fr
  • DE608918C - Cable carrier for cable cranes : de en
  • US1990294A - Picker spindle for looms : en
  • GB423842A - Improvements in or relating to separable electrical contact devices : en
  • FR777037A - Development of devices for relay transmission and distribution of broadcast programs : en fr
  • GB423712A - Improvements in gas operated automatic fire-arms : en
  • DE608902C - Needle for detachable connection of loose sheets, newspapers etc. like : de en
  • GB423700A - Sheaf carrier for reaping and binding machines : en
  • CA348003A - Mercury switch : en fr
  • CA348035A - Electric motor control system : en fr
  • FR776798A - Mineral oil refining process : en fr
  • GB423533A - An improved pump mechanism for use with hydraulically operated apparatus : en
  • GB424247A - Electric heating device : en
  • US1989837A - Vehicle cushioning drive means : en
  • US1990267A - Device for use in, or in connection with, machines for sewing on buttons : en
  • CA347955A - Mushroom spawn culture : en fr
  • GB423534A - Improvements in dental impression trays : en
  • US1989852A - Method of sweating out fusible metals : en
  • CA347945A - Window mechanism : en fr
  • CA347969A - Knitting device : en fr
  • FR776953A - Improvements in remote control devices : en fr
  • US1989901A - Welding tong : en
  • US1990456A - Bond or tie for built-up crank shafts : en
  • CA348010A - Water purification : en fr
  • US1990324A - Air conditioning system : en
  • DE608778C - Process for the production of Kuepenfaerbaedern : de en
  • GB423784A - Improvements in and relating to the manufacture of pipes and the like : en
  • GB423822A - Improvements in apparatus for trimming wallpaper and the like : en
  • FR777019A - Device intended to ensure better efficiency of engines running on any fuel and to automatically correct the play resulting from the running wear of the big ends and bearings : en fr
  • DE609171C - Process for the production of sodium carbonate and chlorammonium : de en
  • DE608942C - Device for feeding shoes to successive workplaces by means of trolleys which are moved on in increments on an endless track : de en
  • GB423511A - Improvements in or relating to electrical signalling systems : en
  • GB423937A - Improvements in or relating to low pressure vapour apparatus for electric discharges : en
  • DE608867C - Control device for alternately filling and emptying two measuring vessels : de en
  • GB424059A - Improvements in motor-driven vehicles : en
  • USRE19450E - Reamer : en
  • FR776904A - End device for mineral insulated electrical cables : en fr
  • DE609148C - Safety regulator for water turbines : de en
  • CA348055A - Sliding fastener : en fr
  • DE608988C - Piston ring for internal combustion engines or the like. : de en
  • CA347963A - Rail joint chair : en fr
  • US1990305A - Automatic oiler : en
  • US1989818A - Excavating implement door : en
  • US1990058A - Interdeck superheater and supports : en
  • US1990156A - Reenforced concrete joist : en
  • US1990360A - Lady's handbag : en
  • CA347997A - Ultraviolet irradiation : en fr
  • DE609164C - Means for pest control and disinfection : de en
  • US1989675A - Muffler : en
  • DK49853C - Device for propelling the front wheel of a bicycle. : da en
  • FR776843A - Starting device for auxiliary chamber engine : en fr
  • US1989665A - Burner : en
  • US1990095A - Truck side frame for railway cars : en
  • US1990209A - Tractor : en
  • USD94483S - Design fob a wall bracket lamp : en
  • US1989846A - Motor vehicle : en
  • DE608946C - Inclination scale with separately stored deflection indicator and even scale division : de en
  • DE609139C - Barrel bung with valves : de en
  • DK49825C - Brake shoes for electromagnetic Rail brakes. : da en
  • DK49850C - Device for Fastening and Connecting Glass Plates. : da en
  • US1989772A - Heat exchange apparatus : en
  • US1990402A - Socket : en
  • DE1325779U - : de en
  • DE609147C - Chain shearing machine with brake jaws : de en
  • GB423722A - Improvements in or relating to hose or the like : en
  • GB423753A - Improvements in or relating to lawn mowing apparatus : en
  • US1990005A - Machine to roll press leather : en
  • US1989988A - Brush mounting : en
  • US1989989A - Process for the manufacture of new sulphurized derivatives of phenols : en
  • US1990180A - Gaseous electric discharge device : en
  • US1989752A - Uni-plural plugging in and switch device : en
  • US1989842A - Weather strip : en
  • CA347975A - Blasting reel and cable : en fr
  • DE608916C - Cane or umbrella convertible into a chair : de en
  • DE608955C - Device for malting, smoldering and drying grain : de en
  • CA348095A - Filament or thread production : en fr
  • CA348079A - Freezing method : en fr
  • CA347953A - Scarf or muffler : en fr
  • USD94477S - Design for a shoe : en
  • US1990159A - Steam heating system for automobiles : en
  • US1989877A - Mixing machine : en
  • CA347976A - Pail support on ladders : en fr
  • US1990340A - Visible multiple fuse : en
  • CA348019A - Labelling method : en fr
  • CA348056A - Sliding fastener : en fr
  • CA348017A - Colloidal solution coagulation : en fr
  • US1990370A - Welding apparatus : en
  • US1990410A - Spring mounting : en
  • US1990135A - Wire handling device : en
  • USD94480S - Design for a knitted dress : en
  • US1989662A - Bowl cooler : en
  • US1989672A - Electric brake : en
  • US1989987A - Piston ring expander : en
  • US1990464A - Interlocking fastener structure : en
  • US1990385A - Bracelet extension device : en
  • FR776817A - Electromagnetic circuit breaker : en fr
  • USD94465S - Design fob a sandal ob similar : en
  • CA348036A - Fuel pump : en fr
  • US1990216A - Control of high frequency generators : en
  • FR777044A - Improvements to bar machines and stretching machines for the treatment of fibrous materials : en fr
  • GB423758A - Improvements in or relating to printing machines : en
  • US1990289A - Corkscrew : en
  • US1990317A - Indicating device : en
  • GB423642A - An improved process for making cuprammonium artificial silk : en
  • US1990212A - Shaft coupling for automatically variable speed ratios, particularly for motor cars : en
  • US1990343A - Process for preparing food for silk worms : en
  • CA348021A - Electric sign : en fr
  • FR776790A - Method and apparatus for the manufacture of molds used in foundry : en fr
  • CA348012A - Centrifugal separator : en fr
  • FR776920A - Mineral wool agglomerates refinements : en fr
  • US1990062A - Reduction of harmonics in amplifiers : en
  • US1990331A - Honing tool : en
  • GB423843A - Improvements in and relating to landing ground floodlights : en
  • CA347983A - Sulphide ore roasting process : en fr
  • FR776833A - Heat distributor for pastry ovens : en fr
  • FR776815A - Fastening device for press studs, ordinary buttons, corporate badges and the like : en fr
  • AU1606434A - Improvements in or relating to tunable electrical circuit arrangements and radio receivers andother apparatus incorporating thesame : en
  • GB423565A - Improvements in aeroplanes : en
  • CA348081A - Fertilizer : en fr
  • FR776834A - Improvements to heating radiators : en fr
  • DK49844C - Vehicle saddle. : da en
  • DE609110C - Single suspension for contact wires : de en
  • FR776921A - Improvement to artificial surfaces imitating land surfaces : en fr
  • FR776784A - Elastic camber shoe : en fr
  • FR776776A - Hydroxy compounds of the anthrapyrimidine series and process for their preparation : en fr
  • FR777010A - Hub for children's car wheels, and children's toys, such as bicycles, tricycles, scooters, etc. : en fr
  • FR777005A - Carburation device for heavy fuels : en fr
  • GB423760A - Improvements in magazines for storing and feeding objects : en
  • FR776896A - Semaphore or colored signaling system for traffic at crossings with progressive time passage indicator : en fr
  • GB423739A - Electromagnetic regulator for dynamos : en
  • CA347949A - Rail fastener : en fr
  • US1990320A - Gas meter and diaphragm therefor : en
  • US1990352A - Lock : en
  • US1989680A - Conformator : en
  • US1989788A - Method of compounding rubber : en
  • US1989792A - Automatic machine tool : en
  • US1990333A - Post box construction : en
  • US1990363A - Package elevator : en
  • USD94498S - Design fob a bottle : en
  • GB423799A - Improvements in mooring apparatus : en
  • FR777036A - Automatic ball firing device for tables of different shapes such as coffee tables : en fr
  • GB423764A - Improvements in and relating to apparatus for the rapid testing of building materials for wear : en
  • US1990015A - Engine starting apparatus : en
  • DE609162C - Compound for impregnation, as well as for sealing and lining vessels : de en
  • DE609120C - Process for the preparation of dyes of the anthraquinone series : de en
  • US1989865A - Folding chair : en
  • US1990181A - Camera : en
  • US1990400A - Folding crate : en
  • DE608930C - Electromagnetic shutter release : de en
  • DE609063C - Gear pump : de en
  • DE609072C - Braking device with flyweights for motor vehicles : de en
  • US1989787A - Air cooling attachment for electric fans : en
  • US1990165A - Method of and apparatus for spraying insecticides : en
  • FR776840A - Improvements made to electric discharge tubes : en fr
  • FR776903A - Granular material for gas cleaning, and its manufacturing process : en fr
  • GB423932A - Improvements in and relating to thermionic valves : en
  • GB423686A - Improvements relating to a process of bending wood and to articles made thereby : en
  • GB423572A - Improvements in filter plugs or wads for cigarettes and in their manufacture : en
  • US1990247A - Shank stiffener with attaching means : en
  • US1990241A - Slack cable stop for hoists : en
  • DE608974C - Device for automatic regulation of the underwind feed to combustion systems : de en
  • US1989684A - Granulated calcium nitrate and method of producing the same : en
  • US1989993A - Physiologically active extracts from placenta and process of preparing them : en
  • US1989924A - Feeding hopper for metal forming machines and the like : en
  • US1990030A - Bath mitten : en
  • DE608995C - Process for preserving all kinds of fruits : de en
  • DE609176C - Shift rods for gearboxes provided with springless friction disk clutches, especially for motor locomotives : de en
  • US1990177A - Gaseous electric discharge device : en
  • US1990072A - Radio receiver with automatic volume control switch : en
  • DE608945C - Process for the processing of hypereutectic aluminum-silicon alloys : de en
  • DE609077C - Device for connecting current paths attached to glass surfaces to the network of a security system : de en
  • US1990437A - Telephone system : en
  • DE609192C - Electromagnetically driven grinder, especially for coffee : de en
  • FR776907A - Device for remote operation, step by step, of a motor-controlled coupling device : en fr
  • US1990299A - Metallurgical process : en
  • USD94508S - Design for a grill : en
  • USD94493S - Design for a shoe : en
  • US1990429A - Pipe : en
  • USD94468S - Design for a combination sheath fob : en
  • DE609140C - Device for towing vehicles with high starting speed, especially for carrying out model towing tests : de en
  • US1989845A - Lining structure : en
  • GB423629A - Improvements in and relating to kinematographic projection apparatus : en
  • FR777020A - Measuring system for woven webs : en fr
  • FR777041A - Electrical installation for train lighting with power supply from a generator mounted on the locomotive : en fr
  • FR776969A - System for collecting wastewater from a large number of localities : en fr
  • FR776941A - Camera : en fr
  • DE608929C - Headlights or similar lighting device for generating varied color presentations : de en
  • FR776870A - Movable epaulet carcass for padding human clothing : en fr
  • GB423643A - Improvements in or relating to means for the delivery and measurement of fluids : en
  • FR776934A - Dry gasometer : en fr
  • GB423576A - Improvements in pistons : en
  • GB423770A - Improvements in windows : en
  • GB423641A - Improvements in or relating to spectacle frames : en
  • GB423757A - Improvements in or relating to dropping tubes : en
  • GB423530A - Improvements in or relating to hydraulic presses for moulding plastic materials : en
  • GB423706A - Improvements in apparatus for measuring the torsional oscillations of rotating bodies : en
  • DE608989C - Spark plug : de en
  • DE609074C - Track for vehicles : de en
  • GB446654A - Improvements in and relating to regulator mechanism for vehicle windows : en
  • DE608960C - Feed regulator for steam boiler with simultaneous control of the feed valve by a water level meter and a steam meter : de en
  • DE609137C - Wheel for pneumatic tires : de en
  • US1989827A - Triple action power press : en
  • US1990257A - Chromiferous dyestuffs, and process of making same : en
  • US1990365A - Top cylinder lubricant : en
  • USD94469S - Design fob a game board : en
  • US1989854A - Mop : en
  • FR776831A - Process for obtaining polychrome photographic images visible by transparency or by reflection : en fr
  • DE609007C - Surface protection, especially protection against shop window break-ins : de en
  • FR776976A - Frame for steering or maneuvering wheel : en fr
  • DK49830C - Hat braces for soft felt hats. : da en
  • US1990396A - Method and apparatus for half-tone, color, or similar photography : en
  • US1989937A - Cleaning of carbonaceous materials : en
  • DE609000C - Roll film camera : de en
  • DE609160C - Further development of the process for the production of combination products from polyvinyl esters and fatty oils according to : de en
  • GB423542A - Tractor especially for farmers : en
  • FR776857A - Improvements to automatic regulators : en fr
  • FR777006A - Product to improve fungicidal mixtures based on copper salts : en fr
  • FR776954A - Defensive weapon : en fr
  • GB423555A - Improvements in and relating to electric switches : en
  • DE609022C - Priest collar with detachable collar : de en
  • US1990196A - Vehicle wheel : en
  • US1989823A - Spring clamp : en
  • US1990104A - Attachment for copyholders : en
  • USD94490S - Design fob a shoe : en
  • US1990440A - Regulating attachment for knitting machines : en
  • GB423777A - Improved method of and apparatus for starting free piston internal combustion engines for operating compressors : en
  • GB423819A - Improvements relating to the ventilation of strong rooms and the like : en
  • DE609152C - Gas-electric vehicle : de en
  • FR776785A - Universal raising or aiming device for cannons intended to fire at mobile targets : en fr
  • GB423661A - Improvements in or relating to abrasive articles or sheets such as sandpaper or the like, and processes of making the same : en
  • US1990085A - Method and apparatus for testing materials : en
  • GB423545A - Improvements in or relating to circuit interrupters : en
  • DE609190C - Bag handle bent from wire : de en
  • DE609103C - Use of peat mixtures to improve the soil and promote plant growth : de en
  • DE609188C - Process for the production of the heating element receiving cavity of electric soldering iron : de en
  • DE608965C - Converted inclined elevator, the corresponding shaft furnace of which has been changed in height : de en
  • DE608966C - Mobile sand spreader : de en
  • US1990158A - Routing machine : en
  • DE609161C - Adjustment device for double axial thrust bearings attached on one side : de en
  • FR776832A - Device for picking peas : en fr
  • US1990130A - Submarine diving valve : en
  • US1990245A - Production of polyhydric alcohols : en
  • USD94486S - Design for a range having combined : en
  • US1990091A - Molding apparatus : en
  • US1990285A - Tie spacer : en
  • US1989874A - Apparatus for forming refrigerant blocks : en
  • GB423718A - Improvements relating to engine-cooling arrangements for motor vehicles with rearwardly disposed engines : en
  • US1989890A - Attachment plug receptacle : en
  • CA347951A - Safety valve for fluid conduits : en fr
  • CA347973A - Darning ball and last : en fr
  • US1989942A - Motor operated valve : en
  • US1989908A - Double acting pivot spring hinge : en
  • US1990047A - Hydraulic jack : en
  • US1990145A - Egg carton : en
  • US1990361A - Exposure meter : en
  • CA348059A - Upholstery-making apparatus : en fr
  • USD94467S - Design fob a combined hanging flow : en
  • GB423570A - Improvements in filter plugs or wads for cigarettes and in their manufacture : en
  • US1990329A - Food product and method : en
  • CA347999A - Electric cable : en fr
  • CA348072A - Paper sheet collector : en fr
  • CA348096A - Disinfectant and plant protective : en fr
  • CA348093A - Ore flotation : en fr
  • CA347954A - Centrifugal air or gas injector : en fr
  • CA348008A - Retort : en fr
  • CA347971A - Heat exchanger : en fr
  • US1989883A - Artificial flower and combination therewith : en
  • US1990217A - Separation of hydrogen sulphide from gaseous mixturfs containing the same : en
  • CA347957A - Light metal and alloy processing : en fr
  • US1989777A - Gyrating scrubber : en
  • US1990189A - Dome cover for tank cars : en
  • DE609128C - stopcock : de en
  • AU1795734A - Improvements in or relating to circuit arrangements for initially energising gasfilled electric discharge tubes : en
  • CA348013A - Centrifugal separator : en fr
  • DE608980C - Twin-motor gripper winch : de en
  • CA348080A - Slit filter : en fr
  • CA348097A - Optical lens : en fr
  • CA347929A - Phosphoric acid compound : en fr
  • CA347936A - Moistureproof material : en fr
  • US1989940A - Portable service station : en
  • US1990327A - Contactor for alarm and signal circuits : en
  • US1989925A - Process of treating galvanized sheets : en
  • US1989975A - Loom control : en
  • US1990120A - Preparing, feeding, and dusting apparatus : en
  • USD94496S - Design for a glass bottle : en
  • DE609143C - Press frame for tennis rackets or the like. : de en
  • FR776778A - Stop shoe, more particularly intended for stalling vehicles : en fr
  • GB423709A - Improvements in or relating to head-wind brakes for aircraft : en
  • CA348011A - Ammonium sulphate : en fr
  • DE608982C - Self-reversing piston measuring device for liquids with control slide : de en
  • DE609010C - Dispenser for printed and unprinted adhesive strips : de en
  • DE608905C - Process for the continuous production of ammonium cyanate : de en
  • DE608663C - Fuellschachtheizofen with fireclay lining of the filling shaft : de en
  • GB423698A - Improvements in or relating to hose or the like : en
  • FR776908A - Device that can be used for cleaning, washing and for liquid massages : en fr
  • GB424001A - Method of producing thin wires or ribbons of magnetic material especially for the loading of communication lines : en
  • US1989866A - Vacuum tube construction : en
  • CA348065A - Detector : en fr
  • CA348002A - Colloidal sulphur : en fr
  • GB423820A - Improvements connected with electric water heaters : en
  • DE609065C - Airplane with an upper and a lower flap on each wing trailing edge : de en
  • US1990296A - Method of operating a reducing furnace : en
  • US1990351A - Frying apparatus : en
  • US1989911A - Pile elevating mechanism : en
  • US1990075A - Core and mold wash : en
  • US1990303A - Treatment of hydrocarbon oils : en
  • US1990315A - Locomotive : en
  • US1990151A - Advertising display unit : en
  • US1990026A - Combined dust pan and container : en
  • DE609151C - Process for the preparation of amino alcohols with a secondary or tertiary amino group : de en
  • CA347942A - Potato chip cutter : en fr
  • US1990065A - Circular loom for weaving : en
  • US1990162A - Lock for guy strand guards : en
  • US1990463A - Electrolytic cell : en
  • US1989948A - Extrusion apparatus : en
  • US1990386A - Nozzle : en
  • USD94472S - Design fob a textile fabric : en
  • DE608962C - Electric impeller measuring device for determining the flow conditions in the pipes of water tube boilers : de en
  • GB423715A - Improvements in gas-holders : en
  • DE609081C - Cooling device for using solid carbon dioxide as a coolant : de en
  • CA347992A - Cellulose fibre processing : en fr
  • GB423656A - Improvements in injectors for hot and cold water, as applied to shower fittings and the like : en
  • FR776943A - Improvements to seals : en fr
  • GB423717A - Improvements in air-cooling systems for internal combustion engines : en
  • GB423846A - Improvements in reproducing mechanism for facsimile telegraph systems : en
  • FR776910A - Lubricants for high pressures : en fr
  • US1990373A - Locking device : en
  • US1989856A - Recording thermometer : en
  • US1990293A - Process for the treatment of petroleum emulsions : en
  • USRE19451E - Semitrailer and auxiliary support : en
  • US1990233A - Manufacture of phosphoric acid : en
  • FR777007A - Tap : en fr
  • FR776876A - Manufacturing process of articles made of rubber or similar materials : en fr
  • US1990295A - Shock absorber starting device : en
  • USD94475S - Design fob a shoe : en
  • DE608968C - Contact on shafts with a mercury bath as a conducting medium between contact and shaft : de en
  • DE609020C - Device for pushing off items of goods such. B. cigarettes, from a conveyor belt : de en
  • FR776853A - label combined with a multi-page leaflet forming a brochure : en fr
  • US1989873A - Apparatus for automatically forming refrigerant blocks : en
  • US1990262A - Device for poisoning rodents : en
  • US1989936A - Hernia truss : en
  • DE608911C - Device for automatic control of electric arc furnaces : de en
  • US1990124A - Mechanical crawl stroke swimming instructor : en
  • DE609039C - Skirt holder for pleated skirts : de en
  • USD94523S - Design fob a shoe : en
  • US1989914A - Cable : en
  • US1990081A - Refrigerating means and accumulator and system of operating the same : en
  • US1989702A - Method for making multicolored rubber articles : en
  • FR776766A - Lubricating oil manufacturing process : en fr
  • FR776965A - Further training in welt manufacturing : en fr
  • DE604760C - Terminal for electrical overhead lines : de en
  • DE609049C - Output device for cards or the like. : de en
  • CA348071A - Disinfectant for seeds : en fr
  • FR776885A - Combined electric appliance intended, in particular, for heating, cooking, lighting, ventilation and therapeutic use : en fr
  • FR776980A - Gradual speed change : en fr
  • GB423606A - Improvements in and relating to process for the recovery of nicotine from tobacco material : en
  • GB423553A - Improvements in or relating to watertight cartons or like containers : en
  • DE608917C - Shoe cleaning device with two cleaning points consisting of flexible brush strips : de en
  • CA348004A - Imitation straw hat : en fr
  • US1989857A - Hydraulic system for automatic machines : en
  • CA348016A - Phenol ethyl ether : en fr
  • DE609064C - Device for regulating the speed of machines within wide limits using a pressure regulator : de en
  • DE609042C - Stone iron ceiling : de en
  • DE600878C - Belt drive for the spinning centrifuges in rayon spinning machines : de en
  • DE609050C - Device for drawing lots of people : de en
  • GB424244A - Improvements in tap changing systems for electric transformers : en
  • US1989744A - Lubricating system : en
  • US1990246A - Honing device for razor blades : en
  • GB424245A - The manufacture of therapeutically active preparations : en
  • US1990453A - Process and products relating to imidols : en
  • DE609178C - Oil conveyor rod with ring segment-shaped conveyor blades : de en
  • DK49846C - Coffee box with mixing mechanism. : da en
  • GB423675A - Cast-iron pipe and method of manufacturing same : en
  • FR776956A - Improvements in the manufacture of dressing bands and resulting product : en fr
  • FR776848A - Process for obtaining colored images at will visible by reflection or by transparency : en fr
  • GB423804A - Improvements in or relating to lift controlling systems : en
  • FR776824A - Method and device for automatically shaking the grill of a fireplace : en fr
  • FR777009A - Process for manufacturing processed cheese and resulting products : en fr
  • CA347938A - Rancidity prevention : en fr
  • US1990170A - Gaseous electric discharge lamp device : en
  • GB423652A - Improvements in or relating to devices for adjusting the flats of carding cylinders : en
  • DE608933C - Machine for the simultaneous grinding of the two oppositely sloping cutting edges of knife strips for mowing machines : de en
  • DE609045C - Liquid measuring and dispensing device : de en
  • FR776780A - Positive displacement centrifugal pump : en fr
  • FR777021A - Two-stroke internal combustion engine with automatic ignition of the injected fuel : en fr
  • US1989695A - Method of repairing cracks in metal castings : en
  • US1990226A - Dispensing device : en
  • CA348037A - Resonance unit : en fr
  • US1989794A - Padding strip for furniture and other articles : en
  • CA347980A - Vinyl polymer production : en fr
  • DE609012C - Monitoring device for high-speed looms, in particular rapier looms : de en
  • FR776918A - Combination of current transformer and measuring capacitor : en fr
  • GB423531A - Improvements in signalling devices for motor road vehicles : en
  • DE608949C - Process for the production of ceramic objects : de en
  • US1989819A - Method of manufacturing electron discharge devices : en
  • US1990031A - Container for cosmetic sticks and the like : en
  • USD94464S - Design fob a combined magnifier : en
  • US1989922A - Stencil cutting sheet : en
  • US1990099A - Device more particularly for controlling the sound intensity in low-frequency distribution systems : en
  • DE608908C - Blow-down valve for steam boiler : de en
  • AU1609034A - Improvements ina furnace forthe heating treatment of steels and alloys under atmosphere controlled conditions : en
  • CA347947A - Airplane : en fr
  • CA348084A - Glassware annealing or cooling method : en fr
  • US1989996A - Heat exchange unit : en
  • US1990092A - Annealing, forming, and cutting machine : en
  • CA347968A - Hair waving rod : en fr
  • US1989958A - Method and apparatus for starting motors : en
  • DE608855C - Sliding resistance with rotary drive : de en
  • DE609194C - Heat protection handle and handle for metal vessels : de en
  • FR776814A - Device for improving the power factor of devices consuming reactive current out of phase forward : en fr
  • FR776869A - Removable screw assembly for skis : en fr
  • GB423560A - Improvements relating to coin controlled telephone apparatus : en
  • GB423579A - An improvement in the manufacture of steel : en
  • US1989678A - Electrical system : en
  • US1989682A - Apparatus for operating upon shoe parts : en
  • US1990207A - Guide for flush tank balls : en
  • US1990445A - Storage battery : en
  • US1990366A - Electric translation circuits : en
  • US1989798A - Building slab and wall construction : en
  • US1989876A - Goggle : en
  • US1990036A - Electric small tool : en
  • US1990254A - Hydrocarbon oil conversion : en
  • CA348099A - Wire sleeve : en fr
  • US1989737A - Conversion of hydrocarbons : en
  • US1989832A - Universal joint : en
  • FR776805A - Luminous advertising device : en fr
  • CA348098A - Molten material cooling method : en fr
  • DE609222C - Process for sizing threads made of silk, rayon and other fibers : de en
  • US1990041A - Method for producing multiple electron discharge devices : en
  • CA347998A - Resinous composition : en fr
  • US1990115A - Head lamp for motor vehicles : en
  • US1990086A - Fuel stoker : en
  • US1990275A - Shoe counter : en
  • US1990229A - Oxidation of hydrocarbons : en
  • US1990377A - Combination truck spring : en
  • DE608990C - Spark plug : de en
  • DE609032C - Fuel body for the representation of artificial fire : de en
  • GB423809A - Improvements in or relating to wrappings for films sensitive to x-rays : en
  • US1990290A - Refrigerating system : en
  • US1990398A - Display case : en
  • FR777048A - Acetylene gas generator : en fr
  • GB423924A - Four-terminal electrical networks : en
  • US1989885A - Specialty paper : en
  • US1989946A - Brake mechanism for reversing mechanism : en
  • DE608973C - Process for making mineral oil-soluble castor oil : de en
  • DE609034C - Handle with abrasive holder and support surfaces for handpieces or angled pieces for dressing dental whetstones : de en
  • GB423755A - An improved process and apparatus for lining pipes in situ with cement mortar : en
  • DE609213C - Device for moving the slide or carriage into the take-off position on an aircraft launch track : de en
  • GB423569A - Improvements in or relating to printing mechanism for computing and printing machines : en
  • USD94516S - Design fob a label holder or similar : en
  • DE608978C - Cellulose balls, in particular for the maintenance of parquet floors : de en
  • DE609112C - Gas-tight, short-circuit-proof, overcurrent-carrying fuse cartridge : de en
  • DE588883C - Device on typewriters for writing on copy sheets by means of an auxiliary ink ribbon : de en
  • GB423502A - An improved knitted fabric and method of producing the same : en
  • DE608950C - Scraper carrier for classifying grates consisting of disc rollers : de en
  • GB423801A - Improvements in condensate return apparatus for steam heating systems : en
  • US1989934A - Temperature regulation of catalytic converters : en
  • FR777097A - Treatment process for fabrics and knits : en fr
  • DE609168C - Arrangement of screen meshes on vibrating screens : de en
  • DE609155C - Luminous body for electrical heating : de en
  • FR776883A - Vaporizer enhancements : en fr
  • FR776874A - Process for the simultaneous production of a sodium hydroxide solution poor in sodium chloride and of glauber salt : en fr
  • FR776888A - Static converters : en fr
  • FR777045A - Device for a cinematographic apparatus for the projection of films of different width and pitch : en fr
  • FR776837A - Sealed device for introducing a fluid into another fluid at different temperature : en fr
  • US1989687A - Grain scalping mechanism : en
  • US1989994A - Valve for pneumatic tires : en
  • US1990381A - Dental matrix retainer : en
  • US1990444A - Rotary valve : en
  • DE608997C - Machine for painting cardboard blanks or the like. : de en
  • DE609197C - Resilient floor, especially for seating and reclining furniture : de en
  • DE609216C - Flexible pouring sheet with a snout : de en
  • FR776996A - Improvements to tools with attached ends : en fr
  • FR776935A - Aircraft propeller : en fr
  • FR776942A - Elastic toothed wheel : en fr
  • FR776994A - Signaling device for trains at level crossings : en fr
  • GB423838A - Improvements in or relating to sliding windows : en
  • DE609221C - Stove for dry processing of substances, especially coal : de en
  • US1990358A - Ring traveler : en
  • FR776753A - Adaptation of the flat key cylinder to current locks : en fr
  • DE608987C - Switching device for an internal combustion engine operated either with compressed gas or liquid fuel : de en
  • USD94478S - Design fob a shoe : en
  • CA347927A - Hosiery printing apparatus : en fr
  • DE608991C - Process for the electrodeposition of metallic chromium using chromium anodes : de en
  • FR776807A - Bottles and teats : en fr
  • GB423626A - Machine for cutting thin leaves : en
  • DE609167C - Mobile device for applying a bituminous coating, especially on canal banks : de en
  • DK49828C - Device by Suitcases. : da en
  • GB423704A - Improvements in a gas main stopper : en
  • FR776999A - Universal vice with swiveling jaws and interchangeable jaws for rational clamping of workpieces on machine tools : en fr
  • US1989884A - Method of annealing and cleaning ferrous articles : en
  • US1990066A - Diaphragm for acoustic devices : en
  • US1990441A - Fountain pen : en
  • GB423935A - Improvements in or relating to clutches for power driven mechanism : en
  • DE609031C - Putty-free base attachment to electric light bulbs using a sheet metal ring that engages the neck of the vessel and a base screwed onto it : de en
  • GB423588A - Improvements in damping devices or shock absorbers : en
  • FR777042A - Process for the absorption of nitrogen oxides from the gases which contain them, and, if desired, for the manufacture of ammonia salts : en fr
  • GB423649A - Improvements in and relating to the cooling of blast furnaces : en
  • DE609016C - Reversing control device for DC motors by means of a bridge circuit : de en
  • FR776822A - Plug : en fr
  • US1990141A - Door retainer : en
  • DE608984C - Tilting mechanism for single-bellows gas knife : de en
  • DE608912C - Device for charging several gas generators : de en
  • GB423630A - Improvements in bolt fastenings for the pans of jigger coal conveyors : en
  • US1989740A - Electromagnetic brake : en
  • AU1589134A - Improvements in or relating to mechanical filters for use in picture telegraph and like facsimile telegraph apparatus : en
  • FR776846A - Turbo-pump : en fr
  • GB423823A - Improvements in the manufacture of pulverulent metal alloys : en
  • GB423728A - Improvements in illuminating devices for microscopes : en
  • IE13406L - Closure for containers : en
  • GB423676A - Improvements in or relating to electric arc lamps : en
  • GB423622A - Improvements in or relating to hydraulic valve operating mechanism which is self-adjusting to take up clearance in the valve mechanism : en
  • US1990077A - Process for joining pipes : en
  • FR777033A - One-way ball bearing : en fr
  • GB423768A - Improvements relating to cleansing materials : en
  • GB423746A - Improvements in or relating to curtain drawing and supporting devices : en
  • US1990168A - Heat treatment of alloys : en
  • US1989770A - Wireless signaling system : en
  • US1990038A - Transmission : en
  • US1989962A - Casket : en
  • DE608934C - Machine for grinding the shear cylinders and bottom blades of shearing machines : de en
  • US1990037A - Automatic transmission : en
  • US1990260A - Apparatus for making containers : en
  • US1990330A - Light colored gum for fabric printing : en
  • USD94491S - Design fob a shoe : en
  • FR776901A - Fastening device for suspended vault elements : en fr
  • USRE19448E - Machine tool slide and lubricator : en
  • US1990301A - Device for applying bottle closures, etc. : en
  • FR776862A - Metal heating wall for internal heating distillation furnaces : en fr
  • FR776917A - Cover for notebooks, binders, etc. : en fr
  • GB423526A - Improvements in or relating to printing telegraph systems : en
  • USD94504S - Design for a display stand : en
  • GB423754A - An improved window fastener : en
  • GB423733A - Improvements in electrically driven vacuum cleaners : en
  • GB423719A - Cowlings for air-cooled aircraft engines : en
  • GB423933A - The manufacture and application of new quaternary ammonium compounds : en
  • US1990397A - Clasp : en
  • US1989814A - Wall trim construction : en
  • GB423751A - Improvements in or relating to the manufacture of photogravure inks : en
  • GB423839A - Improvements in centrifugal baskets : en
  • DE608957C - Device for the wet treatment of textile goods : de en
  • GB423571A - Improvements in filter plugs or wads for cigarettes and in their manufacture : en
  • FR776754A - New embodiment of direct current collectors comprising a large number of blades : en fr
  • US1990455A - Vulcanizing heater : en
  • DE609018C - Arrangement for controlling devices which interact with sound reproduction devices, in particular starting devices : de en
  • FR776859A - Improvements to weapons loaders : en fr
  • FR776851A - Electromagnetic circuit breaker : en fr
  • GB423599A - Electric relay, more particularly for signalling and television purposes : en
  • GB423690A - Improvements in mowing machines : en
  • CA347950A - Packing resaturation method : en fr
  • US1990045A - Hydraulic turbine : en
  • US1990174A - Electric discharge device : en
  • US1989765A - Sodium meta silicate detergent : en
  • DE608877C - Tool for creating involute gears on gears : de en
  • FR777031A - Improvements made in the manufacture of stockings and socks of all kinds : en fr
  • US1989726A - Vehicle brake : en
  • US1990372A - Protective mat for beverage glasses and the like : en
  • US1989966A - Hydraulic turbine : en
  • US1989961A - Control device : en
  • US1990007A - Rotary rock bit : en
  • USD94525S - Design for a bug : en
  • US1990163A - Hoist : en
  • US1990286A - Autographic register : en
  • US1989749A - Combination cooking stove and kitchen cabinet : en
  • US1990003A - Mail box and the like : en
  • DE609091C - Corset or the like with body support : de en
  • GB423864A - The manufacture of new nitrogenous condensation products : en
  • DE609030C - Circuit arrangement for measuring, in particular telemetry, or monitoring high-voltage direct current, in which the induction of alternating current circuits is changed by the magnetic action of the direct current : de en
  • GB423827A - Process for sensitising photographic silver halide emulsions : en
  • US1990272A - Power washing machine : en
  • DE608948C - Vehicle frames or frameworks, in particular for motor vehicles : de en
  • GB423781A - Improvements in and relating to packing devices for shafts and like bodies : en
  • US1990319A - Device for piling and counting blanks of paper or the like : en
  • GB423617A - An improved appliance for gripping and severing paper made up in roll form : en
  • US1990414A - Circuit for controlling transmission in signaling systems : en
  • US1989824A - Method of glazing refractory bodies : en
  • US1989803A - Radiographic illuminator : en
  • US1990132A - Knitting machine : en
  • DE608931C - From the driver's seat by means of racks and pinions driven air pump arranged in the wheel : de en
  • DE608954C - Plant for the opening up and dismantling of floating floezen using a cable excavator : de en
  • DE609100C - Device for doctoring off flat gravure printing plates : de en
  • US1990018A - Hydroxy fluoranthenes : en
  • US1989903A - Packing ring shape : en
  • US1990008A - Brick building construction : en
  • GB423573A - Improvements in or relating to spool-carriers for weaving-loom shuttles : en
  • CA347952A - Hair wash : en fr
  • US1989869A - Display device : en
  • US1990056A - Water heater : en
  • US1990250A - Cane harvesting machine : en
  • US1990304A - Combined recording and registering postal scale : en
  • US1990424A - Safety oyster opener : en
  • USD94503S - Design for a washing machine casing : en
  • US1990271A - Automobile trunk : en
  • US1990021A - Hydrodynamic coupling for rotary shafts : en
  • US1990434A - Insulating material : en
  • US1989931A - Shrinkage compensating device : en
  • US1990458A - Scum removing apparatus for liquids : en
  • US1989851A - Train heating system and trap therefor : en
  • USD94473S - Cover for a bottle of perfume : en
  • DE608951C - Reversible glove to be worn on both sides and method of making same : de en
  • GB423635A - A liquid power medium transmission gear : en
  • GB423782A - Improvements in or relating to a method of manufacturing metallic sign, indicator, registration plates and the like : en
  • GB424252A - Improvements in and relating to electric distribution systems : en
  • FR777014A - Method and apparatus for joining the ends of metal tapes by stapling their incisions : en fr
  • US1989731A - Conversion of hydrocarbon oils : en
  • US1989998A - Dry kiln : en
  • FR777022A - Gripping system for automatic potato <<planter>> : en fr
  • GB423653A - Improvements in metal carriages for mule machines : en
  • US1989858A - Dumping bucket : en
  • US1990107A - Macular reflectoscope : en
  • FR776839A - Core or pocket usable in rubber vulcanization : en fr
  • GB423500A - Improvements relating to doors and similar wood-frame structures : en
  • GB423662A - Improvements in and relating to mercury vapour generating plant : en
  • FR776922A - Insulated louver : en fr
  • GB423612A - Method and apparatus for casting metal pipes : en
  • US1990205A - Gaseous electric discharge lamp device : en
  • US1990382A - Cereal food : en
  • US1989999A - Solar water heater : en
  • US1990001A - Building unit and construction made therefrom : en
  • DE609150C - Corner made of transparent material for attaching pictures and the like like. in albums : de en
  • CA348020A - Engine starter : en fr
  • CA348018A - Moistureproof material : en fr
  • US1989753A - Bathing suit : en
  • US1989957A - Annealing leer : en
  • CA347979A - Sealed package : en fr
  • US1989985A - Supporting means for furnace structures : en
  • US1990407A - Metal stemming stick : en
  • USD94487S - Design for a shoe : en
  • US1989696A - Pressure gun for the application of heavy asphalt fibered mastic : en
  • US1989880A - Pan greasing machine : en
  • CA348070A - Rubber vulcanization : en fr
  • US1989817A - Tape feeding machine : en
  • US1990020A - Indexing device : en
  • GB423696A - Improvements in or relating to cathode-ray tubes : en
  • AU1877934A - Method for sterilizing liquids, especially milk : en
  • CA347981A - Toy figure : en fr
  • DE609104C - Method for operating an absorption refrigeration machine : de en
  • DK49841C - Device for Appliances for Floor Washing. : da en
  • US1989747A - Lamp socket support : en
  • US1990013A - Stocking inspecting and testing machine : en
  • DE609127C - Starting device : de en
  • CA348089A - Briquetting machine : en fr
  • FR777000A - Improvements to windshield control devices : en fr
  • CA347930A - Gas or vapor processing : en fr
  • US1989789A - Process for removing ferrous impurities from sands : en
  • AU1651734A - An improvement in baking dishes andthe like : en
  • AU1812834A - Improvements in radio beacon systems : en
  • CA348061A - Electric sign : en fr
  • DE608994C - Presser foot for sewing machines with movable foot plates : de en
  • CA348015A - Salicilic acid ester carbonate : en fr
  • US1989766A - Racket inlay : en
  • US1990084A - Coil handling method and apparatus : en
  • US1990427A - Means for starting compressionignition oil engines : en
  • DE608992C - Method and device for fluid treatment, e.g. B. for pickling or washing, from spirally wound metal strips : de en
  • US1989741A - Extension bracket for highway guard cables : en
  • US1990192A - Glow discharge tube for emitting ultraviolet rays : en
  • US1990089A - Process for fillling joints and crevices in underburner coke oven brickwork : en
  • US1990335A - Truck or trailer body : en
  • CA347986A - Artificial leather : en fr
  • US1990009A - Noncorrodible metallic wool : en
  • US1990417A - Maximum demand meter : en
  • US1989815A - Rake : en
  • DE608953C - Drill bits, primarily rock drill bits : de en
  • DE609204C - Shoe to be attached to the leg ends of horseshoes for attaching a cleat plate made of elastic material : de en
  • FR776792A - Cigarette paper pad enhancements : en fr
  • FR776844A - Magnetic flywheel : en fr
  • FR776772A - Railway track construction device : en fr
  • FR776884A - Rotary board for educational and other use : en fr
  • FR776914A - Device for blowing extinguishing gases into pulverized or granular bulk materials, more especially into receptacles filled with coal dust : en fr
  • FR776773A - Improvements to electric pocket lamps : en fr
  • US1990222A - Antiglare shield for rear view mirrors : en
  • US1989979A - Container closure : en
  • US1990006A - Trap : en
  • US1990186A - Method of and means fok maintaining : en
  • US1990234A - Tie rod clamp : en
  • DE609009C - Partition, especially for ceramic ovens : de en
  • US1989721A - Valve : en
  • US1989807A - Can opener : en
  • FR776835A - Transmission of rotational movements : en fr
  • CA348051A - Liquid carbon dioxide storing apparatus : en fr
  • DE608936C - Machine for fine grinding of workpieces, which are held in a driven cage between the facing flat surfaces of two rotating grinding wheels : de en
  • US1990249A - Silencer for internal combustion engines : en
  • CA348069A - Belt : en fr
  • US1989716A - Printing telegraph apparatus : en
  • US1989848A - Subtracting tabulator : en
  • US1990258A - Manufacture of lamp stems : en
  • CA348033A - Grinding mill : en fr
  • DE609153C - Asynchronous machine for motorized operation with simultaneous reactive power output or consumption or as a pure reactive power machine : de en
  • GB423788A - Improved band-saw-blades and an improved method of manufacturing such blades : en
  • US1990014A - Doorlock : en
  • FR776968A - Hypodermic injection device : en fr
  • DE609132C - Camera bag for roll film cameras, especially small roll film cameras : de en
  • US1989978A - Mop : en
  • US1990419A - Nonrefillable bottle : en
  • US1989750A - Method of manufacturing lock washers : en
  • CA348022A - Hot water tank insulating means : en fr
  • US1990147A - Gaseous electric discharge device : en
  • US1990388A - Changeover device : en
  • GB423602A - Improvements in locks, latches and fasteners : en
  • US1990282A - Thermostatic radiator admission valve : en
  • US1990096A - Ventilated hat : en
  • US1990252A - Airplane brake : en
  • US1989907A - Jar and safety coupling : en
  • USD94507S - Design fob a shoe : en
  • US1990057A - Car construction : en
  • US1990342A - Radio time switch and automatic tuner : en
  • US1989778A - Wardrobe case : en
  • USRE19453E - Air conditioning apparatus for : en
  • FR776761A - Microscope in which the rays which form the image have a broken path : en fr
  • FR776867A - Removable protector for the cutting edge of faulx blades, hawks, saps, sickles, etc. : en fr
  • GB423603A - Process for the treatment of herring and other fish of the clupeidae family for manufacture of oils and foodstuffs poor in fat and having good keeping properties : en
  • US1990002A - Glass grinding apparatus : en
  • US1990097A - Process of converting cellulose and the like into sugar with dilute acids under pressure : en
  • CA348087A - Weighing apparatus : en fr
  • USD94462S - Design fob a flask : en
  • US1990328A - Draft mechanism for trailer wagons : en
  • FR776984A - Control and adjustment device for automatic bagging machines : en fr
  • GB423559A - Improvements in or relating to flat grinding devices for carding engines : en
  • GB423561A - An improved container for boots, shoes, and the like : en
  • US1989964A - Window lift for vehicles : en
  • US1990375A - Apparatus for cutting glass : en
  • US1989699A - Neutral cresylic acid ester of phthalic acid and method of manufacturing the same : en
  • US1989739A - Remote control device : en
  • FR776891A - : fr
  • FR776947A - Improvement in the electric arc welding process : en fr
  • GB424246A - Improvements in or relating to a method of fixing anode material in electrolytic cells and apparatus therefor : en
  • GB424241A - Improvements relating to riveting : en
  • DE609014C - Extensible electrical power cable : de en
  • FR776877A - Oil burner improvements : en fr
  • FR776879A - Apparatus for making, on a rotary machine, notches of varying lengths in cardboard boxes : en fr
  • GB423557A - Improvements in liquid-oxygen explosives : en
  • AU1825434A - Improvements in or relating to pyrophoric lighters : en
  • CA347966A - Combination tool : en fr
  • US1989664A - Laundry machine : en
  • US1990051A - Rolling mill : en
  • US1990253A - Track sanding device : en
  • US1990334A - Vacuum cup : en
  • USD94499S - Design fob an ice cream cone : en
  • CA347937A - Strand reinforced device : en fr
  • USD94471S - Design fob a bottle : en
  • DE609015C - Circuit arrangement for limiting the charging or buffering of a collector battery as a function of the battery voltage : de en
  • DE609208C - Combination of basic range finder and telescope finder : de en
  • DE608935C - Method for grinding shoulder bolts u. Like. On centerless grinding machines : de en
  • US1989745A - Six-wheel motor vehicle : en
  • US1990073A - Piping arrangement : en
  • US1990284A - Sewing machine hemmer : en
  • US1989800A - Mount gettering device : en
  • US1989820A - Washing machine : en
  • USD94517S - Design for a tike casing : en
  • US1990279A - Casing for electric shot-firing machines : en
  • US1990022A - X-ray dosimeter : en
  • US1990188A - Automatic tapping or drilling machine : en
  • US1990422A - Insecticide : en
  • US1989951A - Synthetic resin and process of making the same : en
  • US1990049A - Insect trap : en
  • US1990204A - Manufacture of thermionic cathodes for electric discharge devices : en
  • CA348034A - Rubber solution manufacture : en fr
  • CA348043A - Synthetic resin : en fr
  • US1989736A - Method of manufacturing heating elements : en
  • US1989868A - Vacuum cleaner : en
  • GB423721A - Electric resistance-condenser combinations for filtering purposes : en
  • GB423824A - Improvements in or relating to electric signalling systems : en
  • DE608878C - Process for the production of storable caramel pudding pastes : de en
  • CA348057A - Drier : en fr
  • US1989693A - Self-sealing receptacle : en
  • US1989775A - Bituminous emulsion and its production : en
  • US1989797A - Volume control device for electron tube systems : en
  • US1990218A - Visual test apparatus : en
  • US1990291A - Air-rotor for aircraft : en
  • US1989732A - Toy : en
  • US1990432A - Cutting of spiral bevel gears : en
  • US1990280A - Magazine control mechanism : en
  • US1990150A - Vehicle lifting and traversing device : en
  • AU1734734A - Window assembly : en
  • AU1662034A - Improvements in and relating to illuminating lamps : en
  • US1989734A - Production of bismuth : en
  • CA348049A - Printing device : en fr
  • US1989952A - Flower holder : en
  • DE608932C - Fin in the area of the wave trousers of multi-screw ships : de en
  • DE608959C - Device for the production of cylindrical gap filter bodies : de en
  • AU1817734A - Improvements in and relating to containers formed of parchmentised paper, cardboard andthe like : en
  • CA347967A - Receptacle making machine : en fr
  • DE608976C - Circulation compressor : de en
  • FR776794A - Process for adding texts after the fact to finished films and in particular to sound cinematographic films : en fr
  • AU1503133A - Improvements in motor tractors and trailers : en
  • DE609122C - mattress : de en
  • GB423796A - Improvements in thermionic discharge devices : en
  • FR776949A - Improvement in spark plugs equipped with radioactive salts : en fr
  • DE609175C - Facility for pendulum cable cars with two pull cables pulling the load in equal proportions : de en
  • FR776774A - Toy car : en fr
  • FR776799A - Device limiting the load carried by one of the two tires of a twin wheel : en fr
  • AU1836734A - Improvements in devices for applying seals to containers : en
  • US1989878A - Apparatus designed to illustrate the laws of economics by physical analogies : en
  • US1990255A - Machine for flanging sheet-metal plates : en
  • USD94513S - Design for a shoe : en
  • US1989802A - Synthetic tanning material : en
  • US1990016A - Resilient joint : en
  • CA347974A - Vehicle body : en fr
  • FR776856A - Method of packaging and presentation for sale of doses of powdered household tinctures : en fr
  • FR776957A - Method of using the air intake at the carburetor for controlling motor vehicle devices : en fr
  • US1990367A - Method of refining rosin : en
  • GB423742A - Improvements in or relating to light projectors : en
  • AU1737634A - An improved cover or outer casing for footballs and like balls : en
  • CA348060A - Power plant : en fr
  • DE609111C - Arrangement to avoid the interfering sound with mains-powered radio receivers : de en
  • US1989826A - Airplane turn and bank indicator and artificial horizon : en
  • CA347959A - Window lock : en fr
  • US1990061A - Ventilated hat : en
  • US1989804A - Toy car coupler : en
  • USD94502S - Design fob lace : en
  • US1989933A - Stove : en
  • US1990239A - Gear finishing machine : en
  • US1990268A - Sanitary fixture : en
  • CA348050A - Sorting and accounting machine : en fr
  • AU1659834A - Improvements in incubators : en
  • GB423517A - Improvements in or relating to electric overload protective arrangements : en
  • US1989879A - Photographic line printing : en
  • US1990052A - Fluid actuated drill feed : en
  • US1990199A - Surgeon's absorbent mask : en
  • FR776993A - Apparatus intended for cleaning upholstery, carpets or other similar objects : en fr
  • FR776791A - Production of azo dyes : en fr
  • FR777039A - Mode of interference suppression in the reception of radio transmissions : en fr
  • FR776789A - Improvements to helicopters or autogyro : en fr
  • GB424058A - Improvements in vehicles : en
  • GB423640A - Improvements in and relating to apparatus for cleaning crank cases, gear boxes, or the like : en
  • FR776960A - Carburetor for spark starter of internal combustion engines : en fr
  • FR777018A - Manufacturing process of orthopedic correctors : en fr
  • US1989703A - Decorated rubber article and method of making same : en
  • US1990157A - Precast floor or roof slab : en
  • GB423504A - Improved insecticides : en
  • GB423498A - An improved manufacture of roads, yards, aerodromes and like surfaces, and means therefor : en
  • CA348094A - Rolling play hoop : en fr
  • FR776771A - evaporator element for refrigeration machines : en fr
  • CA348009A - Fuel producing apparatus : en fr
  • USD94495S - Design for a shoe : en
  • DE608993C - Roll pricking device for sewing machines : de en
  • FR777008A - Mobile binding : en fr
  • GB423575A - Improvements in and relating to the exchange of energy between two alternating current networks : en
  • GB423703A - Improvements in and relating to cranes : en
  • GB423540A - Ignition coil : en
  • FR776860A - Jerky motion picture projection device for perforated film : en fr
  • GB423928A - Improvements in or relating to machines for washing or scrubbing sand, gravel, stone and like material : en
  • US1989705A - Railway car : en
  • US1989875A - Method of making sealing and reinforcing tapes and similar products : en
  • GB423815A - Improvements in fittings of observation mirrors for road vehicles : en
  • GB446646A - Improvements relating to the production of waterproof compositions of asbestos and cement : en
  • DE608906C - Two-drum water tube boiler with burner firing and curved riser and downpipe bundle : de en
  • GB423812A - An improved method of producing blanks for the production of iron or steel : en
  • FI16316A - This provision is intended to be extended to the Member States : en fi
  • US1990118A - Freight container anchoring device : en
  • US1990337A - Method of applying a fibrous coating to a filament or wire : en
  • GB423680A - Improvements in devices for cutting grooves, holes or slots in wood or other materials : en
  • DE609024C - Tear-off calendar : de en
  • US1990423A - Valve : en
  • DE608977C - Pliable powder puff : de en
  • DE609092C - Thermal fuel pump for steam burner : de en
  • GB423723A - Improvements in or relating to hose or the like : en
  • US1989714A - Self-sealing valve : en
  • US1989795A - Strainer and method of making strainer units : en
  • DE609199C - Electrically heated pressureless overflow hot water storage tank : de en
  • GB423639A - Moulded compositions from asbestos : en
  • DE609145C - Vertical centrifugal machine with elastic drum spindle : de en
  • GB423689A - Improvements in and relating to electric motors : en
  • US1990059A - Turbine for elastic fluids adapted for use as compressors : en
  • US1990172A - Harvesting of sugar cane : en
  • DE608937C - Locking device for drawing heads of parallel drawing devices : de en
  • GB423525A - Improvements relating to piston packing rings and methods for utilizing same : en
  • US1989706A - Flash light lamp detector : en
  • US1989722A - Valve : en
  • DE608927C - Grease lubrication bush, which is covered with a screw cap like a Stauffer bush : de en
  • FR777050A - Hygienic tassel : en fr
  • US1989713A - Dispensing device : en
  • USD94520S - Design for a shoe : en
  • FR776930A - Improvements to sealing means for boiler pipes, tanks and other similar objects : en fr
  • GB423532A - Process for the production of a preparation for rendering substances containing albumen or cellulose capable of swelling : en
  • FR776995A - Improvements in remote control and servoing devices : en fr
  • CA348086A - Electric motor : en fr
  • GB423847A - Improvements in markers for card and other games : en
  • US1990139A - Pump : en
  • US1990325A - Dispensing device : en
  • US1990259A - Building wall structure : en
  • DE609099C - Fixing and clamping device for flexible printing plates on the forme cylinder of rotogravure printing machines : de en
  • GB423934A - Improvements in and relating to drying sludge and the like : en
  • DK49847C - Protection device for circular saws. : da en
  • DE609102C - Device for removing blanks from a stack : de en
  • GB423655A - Improvements in or relating to colour spraying : en
  • GB423693A - Improvements in parallel slide valves : en
  • CA347934A - Lubricated plug valve : en fr
  • DE608952C - Device for producing zipper tapes by pouring the coupling particles onto the carrier tape : de en
  • US1990154A - Clicking knife or die : en
  • US1990450A - Process of weighting fibers and the product thereof : en
  • DE609069C - Friction compensation gear, especially for motor vehicles : de en
  • FR776875A - Process of gasification of liquids and apparatus by allowing the realization : en fr
  • GB423774A - Improvements in and relating to insulating and cooling compositions for electric apparatus : en
  • GB423821A - Improvements in tubular mortice latches : en
  • GB423756A - Improvements in and relating to magnetically operated valves : en
  • FR776919A - Regenerative absorber for refrigeration systems : en fr
  • GB423744A - Improvements in and relating to band conveyors : en
  • DE609185C - Compressed gas switch : de en
  • US1990318A - Metal cleaning machine : en
  • US1990368A - X-ray apparatus : en
  • DE609026C - Process for the preparation of 5,5-disubstituted 6-aminohydrouracil and its coagulates : de en
  • DE609115C - Electric rod lamp with cardboard sleeve and on this sliding switch sleeve : de en
  • FR776964A - height adjustable forestay : en fr
  • GB423711A - Improvements in steam and water separators : en
  • FR776861A - Heating device for coke ovens : en fr
  • DE609079C - Device for tensioning and closing the strap ends of a strapping, especially for packages, with lever-like clamping arms with teeth : de en
  • GB423598A - Improvements in or relating to automatic train control systems : en
  • GB423785A - Improved process for crystallizing borax from solutions : en
  • FR776952A - Decorative device imitating etched glass : en fr
  • GB423694A - Improvements in and relating to shingles and the manufacture thereof : en
  • GB423737A - Improvements relating to electrically operated record-controlled statistical apparatus : en
  • DE608708C - Platen printing press : de en
  • DE609070C - Liquid shock absorbers : de en
  • US1990435A - Time saving trolley base : en
  • US1990387A - Marine drive mechanism : en
  • GB423759A - Improvements in wringing and mangling machines : en
  • US1990019A - Indexing device : en
  • FR776841A - Stylograph device : en fr
  • GB423701A - Improvements in or relating to electrostatic condensers : en
  • FR776829A - Production of azo dyes : en fr
  • GB423720A - Improvements in doubling spindles : en
  • DE608956C - Device for wet treatment of fiber material in the traveling pile : de en
  • GB423741A - A process for treating hair for so-called permanent waving : en
  • GB423682A - Improvements in mechanism for operating ventilators : en
  • GB424185A - Improved method of rivetting and an improved rivet for use with such method : en
  • FR776781A - Construction system of vehicles intended to be coupled : en fr
  • FR776836A - Deformable handle or handle containing a liquid capable of being heated in this handle or handle : en fr
  • GB423848A - Improvements in driving belting : en
  • FR776855A - Improvements to knives for meat grinders : en fr
  • FR776972A - Advertising envelope : en fr
  • GB423752A - Improvements relating to aircraft controls : en
  • GB423609A - Improvements in apparatus for use in playing board games : en
  • GB423544A - Improvements in and relating to protective systems for electric distribution net-works : en
  • FR776801A - Braking device for vacuum and pressure brakes on vehicles of all types : en fr
  • FR776916A - Bow for stringed instruments : en fr
  • GB423810A - Improvements relating to the packing of sweetmeats or other articles of confectionery in boxes or cartons : en
  • GB423543A - Process for the production of beryllium compounds from beryllium-bearing minerals : en
  • GB423793A - Braun tube, more particularly for television purposes : en
  • DE608903C - Marker arrangement for index cards made of rigid material, address printing plates and the like. like : de en
  • DK49838C - Coating element of soft gray cast iron for use on roads, floors or similar surfaces and the method and apparatus for its manufacture. : da en
  • FR777046A - Yarn moistening machine : en fr
  • US1989969A - Method of making soft soled shoes : en
  • FR776779A - Ear protectors : en fr
  • FR776977A - Improvements to distributors : en fr
  • FR776987A - Apparatus for the continuous and rapid evaporation and concentration of liquids or solutions in the open air, or above or below atmospheric pressure : en fr
  • GB423549A - Improvements in or relating to protective devices for lavatory seats : en
  • GB423791A - Device for conveying loose goods from railway waggon to ship : en
  • FR776797A - Elastic knit swimsuits : en fr
  • FR776955A - Shield for the protection of the human body against penetrating injuries : en fr
  • FR777028A - Swimsuit : en fr
  • US1990055A - Amplifier circuits : en
  • GB423518A - Improvements relating to the interfitting of close-fitting machine parts such as cylinder linings : en
  • DE609177C - Two-axle bogie for rail vehicles : de en
  • CA348063A - Glass tempering apparatus : en fr
  • FR776971A - Improvements at t receiving stations. s. f. : en fr
  • GB423713A - Improvements relating to rasping machines for use in the manufacture of footwear : en
  • US1989697A - Long range aerial gun sight : en
  • DE609174C - Method of drying ice : de en
  • FR776764A - Window regulator with ventilation mechanism : en fr
  • GB423538A - Improvements in or relating to power transmission mechanism : en
  • US1989757A - Resilient tire : en
  • US1989733A - Vehicle : en
  • US1990443A - Rotary valve driving mechanism : en
  • US1990109A - Game apparatus : en
  • FR776985A - Preservation of fruits, vegetables and food products : en fr
  • US1990270A - Brake drum refinishing tool : en
  • DK49834C - Radio receiver. : da en
  • DE609193C - Sandpaper, abrasive cloth or the like, especially for flat disc polishers : de en
  • DE608914C - Pulverized fuel combustion : de en
  • DE608985C - Automatic football game machine with coin slot : de en
  • US1990071A - Method of making wire rope : en
  • FR776809A - Regulator for any quantities or operating elements : en fr
  • FR777030A - Improvements to dropper bottles : en fr
  • GB423797A - A device for delivering and portioning out printed matter in batches : en
  • GB423841A - Swivelling couplings for electrical apparatus : en
  • US1989906A - Jar : en
  • USD94489S - Design fob a shoe : en
  • FR776821A - Calculating machine or accounting machine : en fr
  • FR776924A - Tourist bag : en fr
  • GB446651A - Improvements in or relating to barometers : en
  • DE609087C - Grain divider for mowing machines : de en
  • AU1615334A - Collapsible cooling safe. 9 : en
  • DE608996C - Device for bending box-shaped containers made of cardboard or the like. : de en
  • DE609203C - Fabric buckle : de en
  • CA348025A - Lubricating oil : en fr
  • US1990292A - Process for fireproofing cellulosic materials : en
  • US1989891A - Fuel injection device : en
  • US1990063A - Display device for demonstrating lubricating oils : en
  • US1990161A - Sewing machine : en
  • US1990106A - Method of making duplicating forms : en
  • US1990371A - Combined vacuum and relief valve : en
  • US1989917A - Washing machine : en
  • US1989970A - Shoe : en
  • US1989661A - Stoker mechanism : en
  • US1989780A - Combination lock : en
  • US1990412A - Sandwich cooker : en
  • US1989676A - Decorated rubber article and process of making the same : en
  • US1989990A - Fountain pen : en
  • US1990326A - Towel dispensing apparatus : en
  • AU1818034A - Window blind or awning : en
  • CA348024A - Dispersing agent : en fr
  • US1990068A - Automatic weighing machine : en
  • US1990227A - Sorting table : en
  • US1990359A - Method of purifying lubricating oils : en
  • US1990215A - Polymerization of resins : en
  • US1990088A - Oil burner : en
  • US1990024A - Synthetic electronic musical instrument : en
  • US1990046A - Knockdown shelving : en
  • US1989843A - Printing press : en
  • GB423564A - Liner for type-bar-making machines : en
  • US1990134A - Method of producing artists' charcoal : en
  • US1989686A - Sanitary appliance : en
  • US1989730A - Radio frequency coupling system : en
  • US1990083A - Choke control : en
  • FR776830A - Suspender or belt : en fr
  • GB423762A - Method of and apparatus for regenerating spent ammoniacal cuprous solutions from gas washing processes : en
  • US1989762A - Compressor unloader : en
  • US1990311A - Closure for articles of apparael : en
  • US1989926A - Paved corrugated culvert and method of producing it : en
  • US1990399A - Process for the preparation of condensation products : en
  • DE609098C - Filter device for liquids or gases : de en
  • CA347965A - Sputum receptacle : en fr
  • CA347978A - Cereal food : en fr
  • DE609180C - Blocking or monitoring device, takes effect in the event of a wire break or overload : de en
  • US1990242A - Rear axle support for automobile hoists : en
  • CA347991A - Sized paper : en fr
  • AU1620234A - An improved anchor : en
  • DE609035C - Handle with abrasive holder and support surfaces for handpieces or angled pieces for dressing dental whetstones : de en
  • FR776849A - Process for the preparation of gelatin reliefs capable of being suitable for printing : en fr
  • GB423692A - Improvements in and relating to harvesting devices for hay, straw and like crops : en
  • DE609002C - Pump drive : de en
  • US1990374A - Valve for inflatable articles : en
  • USD94511S - Design for a typewriting machine : en
  • DE609028C - Arrangement for liquid switches, in which the arc is interrupted by the evaporation of liquid : de en
  • US1989915A - Monogram unit : en
  • DE605303C - Automatic gas shut-off valve : de en
  • US1990244A - Attachment for screw drivers : en
  • US1990356A - Heater : en
  • US1990384A - Infant's thumb or finger guard : en
  • DE608939C - Device for cleaning and final shaping of partially shaped cigar ends : de en
  • FR777064A - Improvements to independent steering wheel devices for vehicles : en fr
  • GB446652A - Improvements in and relating to indirectly heated cathodes : en
  • US1989947A - Stop motion for a gill box : en
  • US1990093A - Exhaust steam injector : en
  • USD94466S - Design fob a game board : en
  • US1990119A - Thrust bearing : en
  • US1990339A - Gate valve supervisory device : en
  • US1989710A - Selecting and printing mechanism : en
  • US1990082A - Wire rope making machine : en
  • DE608943C - Device for nailing down wires : de en
  • DE609044C - Control device for automatic setting of the peeling tools of wood barking or peeling machines : de en
  • US1989836A - Optical system for recording sound on film or reproducing the same : en
  • US1990219A - Method of and apparatus for controlling heat transfer : en
  • USD94526S - Design for a bug : en
  • AU1546533A - Combination radio lounge chair : en
  • AU1798634A - Anew or improved device for lifting eggs, fruit, orthe like : en
  • US1989758A - Milk and chocolate suspension : en
  • US1989727A - Printing telegraph apparatus : en
  • CA347960A - Bird house : en fr
  • US1989786A - Base and based electric device : en
  • US1990010A - Asymmetrical thioindigoid dyestuff : en
  • FR776997A - Heating radiator cover or others : en fr
  • USD94492S - Design for a shoe : en
  • DE608928C - Process for degreasing and cleaning objects made of rigid material : de en
  • DE609218C - Double can : de en
  • GB423725A - Circuit arrangement for effecting switching operations by means of current impulses of short duration : en
  • GB423644A - Improvements in cellulose derivative plastic compositions : en
  • US1990404A - Dental appliance : en
  • GB423618A - Improvements in and relating to electric transformers and choking coils : en
  • GB423798A - Improvements in corrosion-resisting steel : en
  • DK49848C - Device for regulating the firing speed of automatic firearms. : da en
  • DE609214C - A sprung vehicle saddle carried by a saddle support designed as an angle strut : de en
  • US1989677A - Electrical system : en
  • US1989909A - Thermostatic mixing valve : en
  • US1989849A - Shelving unit : en
  • FR776944A - Base and socket for dual filament lamp : en fr
  • US1989785A - Toy typewriter : en
  • US1990098A - Laminated product and method of making the same : en
  • DK49827C - Torque switch. : da en
  • DE609133C - Gear change transmission, especially for motor vehicles, with a freewheel device arranged behind the transmission : de en
  • DE609166C - Flexible sheet-shaped razor blade : de en
  • US1990251A - Heat exchange apparatus : en
  • FR776873A - Process for the production of direct positives for collotypography from a draft or halftone moose : en fr
  • FR776982A - Improvement of construction sets such as roofs, terraces, partitions, slabs, floors and elements for their construction : en fr
  • GB423619A - Improvements in or relating to adhesives : en
  • US1989860A - Control apparatus for liquid fuel burners : en
  • US1989867A - Record card controlled machine : en
  • US1989954A - Electric discharge tube : en
  • US1990232A - Lineman's signaling system : en
  • FR776923A - Household garbage dump : en fr
  • FR776973A - Improvements to incandescent electric lamps : en fr
  • US1989784A - Tfd statfs patfnt office : en
  • US1989790A - Getter for incandescent lamps : en
  • US1989881A - Time instrument : en
  • US1989974A - Attachable and adjustable ash tray for chairs : en
  • US1990182A - Electrooptical system : en
  • DE608958C - Chained mercerizing machine : de en
  • FR776945A - Four position rotary switch : en fr
  • GB423529A - Improvements in or relating to yarn-winding machines : en
  • GB423539A - Improvements in or relating to exhaust conduits of turbo-charged multi-cylinder internal combustion engines for conducting the exhaust gases to independent turbine chambers : en
  • US1990235A - Clothesline : en
  • US1989691A - Projecting microscope : en
  • DE608825C - Emptying device for shaft dryer : de en
  • DE608961C - Shock absorbers for feed lines of steam generators : de en
  • DE608870C - Check printer for key lever cash registers : de en
  • CA348041A - Synthetic resin : en fr
  • FR776959A - Device to dispel doubt and obtain good extinctions in direction-finding : en fr
  • FR777024A - Improvements made to calculating machines, more specifically to accounting machines : en fr
  • FR776950A - Television method based on the use of modulated electromagnetic oscillations : en fr
  • US1990411A - Device to prevent mouth breathing and snoring : en
  • USD94459S - Design for a stand for supporting : en
  • GB423807A - Improvements in or relating to sound reproducing devices : en
  • US1989821A - Lawn mower : en
  • DE609048C - Coupling device for driving cash registers, calculating or accounting machines : de en
  • USD94476S - Design for a wedding king : en
  • US1990264A - Sprinkler alarm mechanism : en
  • US1990364A - Heater for automobiles : en
  • US1989692A - Apparatus for effecting chemical reactions by the use of contact masses : en
  • US1990033A - Oleo gear : en
  • US1990240A - Progressive multiple spindle gear shaping machine : en
  • US1990210A - Stocking protector : en
  • FR776905A - Automatic sugar cubes dispenser : en fr
  • US1990185A - Furnace construction : en
  • US1990310A - Cutting tool : en
  • DE592077C - Electric lighting system with time remote control mechanisms controlled by door contacts : de en
  • FR776902A - Ice cream maker : en fr
  • GB423566A - Method of and apparatus for the conformation of sheets of glass : en
  • FR776970A - New construction likely to be used as a hangar, hall or similar building : en fr
  • US1989759A - Chlorinated alkaline silicate : en
  • US1989955A - Joining separate bodies : en
  • US1990070A - Bimetallic article : en
  • US1990313A - Curtain construction : en
  • FR776759A - Reflective lens photographic lens : en fr
  • FR777017A - Improvements to electromechanical units : en fr
  • DE608938C - Pencil sharpening machine with a laterally open pencil guide funnel and with cutting knives working in the direction of the pencil tip : de en
  • DE609061C - Compressed air fluid scraper : de en
  • DE609066C - Hydraulic drive device for the retractable undercarriages of aircraft : de en
  • US1989897A - Sealing-in and exhausting apparatus : en
  • US1990142A - Shoe iron : en
  • CA348054A - Cedar chest transparent sealing panel : en fr
  • CA348077A - Thermostatic valve : en fr
  • DE609142C - Cleaning device for the lower rollers of draw frames and drafting systems : de en
  • DK49833C - Protective cap for placement on the pressure arm of a bicycle bell. : da en
  • FR776983A - Velvet article manufacturing process : en fr
  • GB423727A - Improvements in or relating to the transferring of pictures and the like : en
  • FR776800A - Device making it possible, by means of a sudden speed acceleration, to impart a translational movement to an organ subjected, in normal operation, to a rotational movement : en fr
  • US1989674A - Coupling : en
  • FR776974A - Ball card game : en fr
  • US1990228A - Process for the manufacture of carbon black : en
  • US1990353A - Inflatable game ball : en
  • US1990369A - Welding hood : en
  • GB423826A - An improved clasp or fastener, particularly for the straps of wrist-watches : en
  • DE1325977U - : de en
  • FR776782A - Device designed to protect against freezing any section of piping connected to a circulating hot water pipe : en fr
  • DE608904C - Process for the preparation of silicofluoric acid salts : de en
  • FR776926A - Method and device for the simultaneous recording, in the three leads, of the graph of the movements of the heart, using the electric voltages : en fr
  • US1989761A - Fountain pen : en
  • GB423687A - Improvements in or relating to feed devices for portable drilling machines and the like : en
  • GB423828A - Improvements in the treatment of paper : en
  • FR776895A - Device for launching an object and, in particular, a loom shuttle : en fr
  • FR776931A - Method and device for destroying parasites : en fr
  • GB423589A - Improvements in kilns for the manufacture of glassware and for other purposes : en
  • GB423527A - An improved elastic body band : en
  • DE609058C - Gyro crusher : de en
  • GB423535A - Improvements relating to control systems for electric discharge apparatus : en
  • US1989912A - Steam sprayer : en
  • US1990336A - Collapsible egg carton : en
  • AU1615934A - Improvements in and relating to water tanks for amusement boats : en
  • US1989976A - Sorting and printing machine : en
  • US1990198A - Method of and apparatus for preparing and supporting frozen edibles : en
  • US1990225A - Mandible developer : en
  • US1989725A - Apparatus for forming an article : en
  • US1989929A - Glare shield frame : en
  • US1990406A - Festooning mechanism for loop driers : en
  • US1989694A - Boiler : en
  • US1990307A - Brush holder : en
  • CA348029A - Refrigeration apparatus : en fr
  • DE608924C - Coin cashier for the delivery of flowing media such as gas, water, etc. like : de en
  • CA347993A - Chemical pulping process : en fr
  • US1990102A - Roll for paper machines : en
  • US1989729A - Ignition composition : en
  • DK49854C - Method and Apparatus for Measuring Liquids or Gases. : da en
  • GB423743A - Improvements in preservative and vermin-destroying compositions : en
  • GB423761A - Improvements in and relating to step lens for street lighting and other purposes : en
  • FR776850A - Tractor plow : en fr
  • GB423710A - A device for use in cleaning a tobacco-pipe : en
  • GB423714A - Improvements relating to safety razors : en
  • DE609116C - Electric vehicle headlight with parabolic cylindrical reflector : de en
  • GB423636A - Improvements in markers for use in playing bridge : en
  • FR776768A - New living room game : en fr
  • US1990149A - Hydraulic brake fluid : en
  • CA347928A - Stamp affixing method : en fr
  • DE584192C - Device for forming a fold when passing through rollers : de en
  • DE609090C - Four-wheel drive cars : de en
  • US1990465A - Anchor holding tie plate : en
  • DE609043C - Combining a cylindrical wooden hollow body with a cup-shaped wooden base and press for this purpose : de en
  • DK49845C - Slider control for direct-acting, steam-powered Pumps. : da en
  • FR777043A - Improvements to bar machines and draw benches for processing fiber materials : en fr
  • GB423645A - Improvements in and relating to ball valves for cisterns : en
  • FR776990A - Method and apparatus for descaling skin tissue : en fr
  • GB423765A - Improvements in or relating to television systems : en
  • US1989893A - Ignition cable : en
  • DE609173C - Set bed drive for high-speed cylinder presses with printing cylinder continuously rotating in one direction : de en
  • DK49829C - Procedure and arrangement for placing new treads on tread tires. : da en
  • US1989774A - Dedusting apparatus : en
  • US1989983A - Yucca blade splitting machine : en
  • FR776946A - Device for clearing saw blades : en fr
  • FR776989A - Flame backflow prevention device for internal combustion engines : en fr
  • US1990121A - Rawhide products and processes of making the same : en
  • CA347994A - Tank vehicle : en fr
  • FR777025A - Relay signal : en fr
  • GB423546A - Improvements in and relating to mirror-screws for television and like purposes : en
  • FR776966A - Lotion for hair care : en fr
  • DE609207C - Advertising lamp with the lampshade turned by the rising hot air : de en
  • GB423600A - Improvements in or connected with means for feeding textile fabrics to or through machines : en
  • GB423550A - Improvements in or relating to miners' and like electric battery lamps : en
  • GB423621A - Improvements in slicing machines : en
  • DK49831C - Bale grinder for straw balers. : da en
  • GB423558A - Improvements in or relating to adjustment devices for endless bands, with special reference to clothing : en
  • GB423780A - Portable conveying apparatus : en
  • USD94482S - Design fob a bureau ob similar : en
  • GB423597A - Improvements in filler caps for petrol tanks and like containers : en
  • FR776783A - Process and installation for the treatment of household waste and other fermentable waste : en fr
  • US1990297A - Lens indicating apparatus : en
  • USD94461S - Design for a bottle : en
  • USD94512S - Design fob a shoe : en
  • GB423536A - Anti-dazzle device for lamps : en
  • DE609195C - Tongs for cutting the crust of bread slices : de en
  • FR776865A - Improvements to devices used to support trousers or other articles of clothing : en fr
  • GB423638A - Improvements in or relating to cooking stoves : en
  • GB423845A - Improvements in typewriting machines : en
  • DK49837C - Wrapping stick for use in permanent wave of hair. : da en
  • GB423512A - Improvements in process of coating paper : en
  • GB423787A - Tool for lifting the bowls from centrifugal separators : en
  • FR776958A - Welding for aluminum or its alloys and magnesium : en fr
  • GB423786A - Improvements in gas-holders : en
  • GB423856A - Improvements relating to book-covers : en
  • US1989894A - Car coupler : en
  • DE608920C - Process for the sulphation of the non-ferrous metals contained in ores or hut products : de en
  • DE609033C - Test and exercise facility for drivers : de en
  • GB423537A - Improvements in and relating to methods of rolling tubes and apparatus therefor : en
  • GB423691A - Improvements in protective systems for electric coal cutter and like machinery such as used in mines : en
  • FR776757A - Improvements to pipe hangers : en fr
  • GB423726A - Improvements in electrically driven vacuum cleaners : en
  • DE608926C - nesting box : de en
  • US1989793A - Rotary duplicator : en
  • US1989859A - Drain pipe for flush tanks : en
  • US1989928A - Lock : en
  • US1989960A - Artificial arm : en
  • US1989751A - Apparatus and method for drying cotton : en
  • US1990300A - Receptacle : en
  • FR776890A - Device allowing any number of electric cables to be passed through a wall : en fr
  • GB423650A - Improvements in magnetic separators : en
  • FR776820A - Improvement in sawing, by helical wire, of stones, marble, granite and other materials : en fr
  • US1989781A - Sign : en
  • US1990421A - Variegated surface and display material and device : en
  • DE609113C - Device for measuring strong alternating currents : de en
  • US1990438A - Telephone system : en
  • AU1618434A - An improved gate : en
  • US1989888A - Paper fastener : en
  • US1989771A - Remote control device : en
  • DE609057C - Chuck, the jaws of which are clamped and secured in the clamping position : de en
  • DE608940C - Winding method and device for cigar machines : de en
  • GB423625A - Improvements in machinery for making paper bags and the like : en
  • CA348076A - Badminton racket : en fr
  • DE584193C - Device for forming a fold : de en
  • US1989668A - Mixing apparatus : en
  • DE609008C - Process for the manufacture of road building materials by mixing asphalt or tar as a binder with stone chippings or the like. : de en
  • DE609060C - Incandescent lamp cinema with lamps controlled by a film via a photocell screen and a device for generating images of different brightness on the lamp field : de en
  • US1989809A - Air regulator for furnaces : en
  • CA347985A - Shingle cutting method : en fr
  • AU3358963A - Thermo-chemical joining of nylon yarns : en
  • US1990060A - Sound volume regulator : en
  • CA347988A - Sleeve valve mechanism : en fr
  • US1989847A - Arrow for archery : en
  • US1990040A - Perspective drawing instrument : en
  • USD94519S - Design for a shoe : en
  • GB423633A - Improvements in or relating to lubricators for railway vehicle axles : en
  • DE609001C - concrete pump : de en
  • FR776939A - New tool working conditions : en fr
  • GB423523A - Improvements in apparatus for the electro-magnetic separation or concentration of minerals : en
  • US1989941A - Method of and means for starting an internal combustion engine : en
  • GB423554A - Process and apparatus for packing for despatch and delivering easily spoilt fruit juices, sweet musts and the like, and beer : en
  • US1989977A - Machine for treating fabrics : en
  • US1990048A - Control operating mechanism : en
  • DE609038C - Device for anesthesia by means of nitrogen oxide pulse : de en
  • FR777034A - Process for manufacturing cyanine dyes substituted in the polymethine chain by acyloxyl or alkoxyl : en fr
  • GB423647A - Improvements in stone boring tools, rock drills, and the like : en
  • US1990321A - Marking machine : en
  • DE609134C - Two-stage epicyclic gearbox, especially for motor vehicles : de en
  • DE609119C - Process for the production of Kuepen dyes : de en
  • AU1849234A - Improvements ingrain cleaning machines : en
  • US1990380A - Apparatus and system for registering watchmen's tours : en
  • USD94474S - Design fob a shoe : en
  • US1989743A - Method of making wheels : en
  • US1989986A - Control valve for fuel feeding devices : en
  • US1990187A - Power augmenter : en
  • DE608983C - Automatically switching piston measuring device for automotive fuels with control slide : de en
  • DE608981C - Suspended plaster ceiling with Rabitz mesh, wire brick mesh, concrete wire mesh or the like as a plaster support : de en
  • US1990347A - Spark plug : en
  • US1989808A - Door securing means : en
  • DE609040C - Device to prevent multiple conveyor machines from starting up at the same time : de en
  • FR776787A - Letter scale letter opener : en fr
  • FR776803A - Artificial incubator : en fr
  • FR776981A - Device for the automatic introduction of corrections in a remote control : en fr
  • DE609136C - Security device against theft and protection device, especially for motor vehicles : de en
  • USD94494S - Design fob a shoe : en
  • USD94505S - Design fob a dress : en
  • US1990023A - Wave production : en
  • US1989887A - Combination hole punch : en
  • CA347943A - Vehicle steering wheel : en fr
  • US1989882A - Channel flap turning and pressing machine : en
  • US1990413A - Automobile vanity visor : en
  • US1989905A - Valve seat grinding machine : en
  • CA347984A - Cable tape tensioning device : en fr
  • DE609146C - Drainage device for the liquids thrown out of a centrifugal drum : de en
  • DE609217C - Circuit arrangement for alarm systems, in particular fire alarm systems : de en
  • US1990193A - Transfer ink : en
  • US1989742A - Abrasive article and method of making the same : en
  • US1990175A - Gaseous electric discharge device : en
  • US1990176A - Fused connecter : en
  • US1989913A - Runproof or run-resistant knitted fabric and method of knitting same : en
  • DE609085C - Production of copper with high electrical conductivity : de en
  • US1990425A - Bean nipping machine : en
  • GB423515A - Improvements in appliances for cooling milk or other liquid : en
  • US1989663A - Power transmission gearing : en
  • US1989834A - Method of reenforcing beams : en
  • US1990064A - Circular loom for weaving : en
  • GB424131A - Method of producing magnetic material in the form of thin wires or ribbons, especially for the loading of communication lines : en
  • US1989683A - Flexible coating composition : en
  • GB423685A - Improvements in and relating to television and like systems : en
  • GB423747A - Improvements relating to draught and rain excluding fittings for casement windows, doors, and the like : en
  • GB423620A - Improvements in or relating to electric fuse-boards : en
  • GB423814A - Springs for motor and other vehicles : en
  • US1989776A - Tooth base for excavating buckets : en
  • DE609036C - Artificial dentures adapted to the gums : de en
  • US1989896A - Ash receiver : en
  • US1990067A - Fluid clutch and transmission : en
  • US1989773A - Dedusting apparatus : en
  • US1990231A - Method of making half tone screens : en
  • US1990447A - Variable resistor : en
  • FR777032A - Conversion of unsaturated alcohols or ethers, or both, to their saturated isomers : en fr
  • GB423772A - Improvements in or relating to thermionic valve arrangements : en
  • US1990277A - Metals of the platinum group and certain alloys : en
  • US1990042A - Ironing machine : en
  • US1990383A - Cleaning solution : en
  • CA347962A - Shirt cuff : en fr
  • US1990050A - Conveying mechanism : en
  • US1989831A - Pinhole grinder mandrel : en
  • US1990114A - Oar lock : en
  • FR776793A - Improvements to joints for rails and similar elements : en fr
  • GB424242A - Improvements relating to the thermal, electrical or other insulation of articles : en
  • GB424249A - Improvements in fluid pumps : en
  • US1989895A - Elastic material : en
  • FR776827A - Mobile electro-luminous advertising installation : en fr
  • US1989783A - Dictating machine : en
  • USRE19449E - Fuse box : en
  • DE609073C - Brake valve for directly braked vehicles with indirectly braked trailers : de en
  • DE609149C - Explosion protection : de en
  • FR776899A - Lubricating Oil Inhibitors : en fr
  • US1989667A - Cutter for forming twist drills : en
  • US1989764A - Process and composition for the production of reflecting surfaces : en
  • US1990322A - Combination underslip and brassiere : en
  • US1989723A - Electric circuit controlling mechanism : en
  • US1990338A - Electric insecticide : en
  • FR777047A - Special packaging of cotton wool : en fr
  • DE604552C - Molding plant : de en
  • FR776806A - Gold colored alloy : en fr
  • FR776760A - Improvements in machines for assembling articles of rubber or similar materials : en fr
  • US1989904A - Anthraquinone-acridone imide compounds and their production : en
  • US1989763A - Highway guard : en
  • US1990283A - Engine starting mechanism : en
  • US1989932A - Weed eradicating device : en
  • DE609019C - Process to prevent metals from dissolving in acids : de en
  • US1990131A - Key blank holding cabinet : en
  • USD94515S - Design for a cycle pedal : en
  • AU1769834A - Improvement in closure means for hermetically sealed jars : en
  • DE609205C - Induction coil : de en
  • US1989768A - Apparatus for inserting valves in pipe lines : en
  • US1990112A - Gin saw gumming and filing machine : en
  • US1990173A - Covering material : en
  • US1990269A - Aircraft : en
  • US1989828A - Electrical system, apparatus, and method : en
  • USD94481S - Design for a knitted dress : en
  • DE609096C - Line and painting brushes : de en
  • US1990237A - Pipe wrapping machine : en
  • USD94510S - Design for a stove cabinet oe similar : en
  • DE609200C - Cutting machine for cutting rubber rings and discs : de en
  • US1990171A - Gaseous electric discharge device : en
  • US1990206A - Casement and other window screen : en
  • FR777027A - Improvements to lockable locks : en fr
  • GB423634A - Method of manufacturing rivets : en
  • GB423769A - Improvements in and relating to maps adapted for the use of car drivers : en
  • DK49832C - Whipping machine with mechanically moved Whipping organ. : da en
  • US1990039A - Transmission : en
  • GB423773A - Improvements in or relating to radio and like modulated carrier wave receiving apparatus : en
  • US1989870A - Valve : en
  • DE609196C - Coat hook with crossbar : de en
  • US1990401A - Hone : en
  • AU1869234A - Improvements inthe manufacture and production of synthetic tanning agents : en
  • US1989861A - Connecter for cables and conductors : en
  • US1990208A - Goggles : en
  • CA348064A - Lace curtain : en fr
  • GB423716A - Improvements in or relating to tie rods and tie rod ends : en
  • US1990166A - Door operating mechanism : en
  • DE608900C - Mixing, stirring and kneading machine : de en
  • DE609084C - Fine adjustment device : de en
  • FR776810A - Starter for internal combustion engines : en fr
  • DE609025C - Process for the preparation of condensation products of the arylene thiazole series : de en
  • GB423840A - Improvements in and relating to waterproof coverings for roofs of buildings or other like surfaces : en
  • CA348053A - Door : en fr
  • DE608972C - Circuit for resistance toggle relay : de en
  • DE609209C - Photographic lens shutter : de en
  • DK49835C - Catgut Sterilization Procedure. : da en
  • FR776967A - Device for automatically entering corrections in remote controls : en fr
  • US1989767A - Remote control device : en
  • US1990391A - Process for increasing the storing capacity of undressed mineral tanned leather : en
  • CA348048A - Subtracting device : en fr
  • FR776933A - Sophisticated framework : en fr
  • US1990133A - Yarn clearer : en
  • US1990169A - Gaseous electric discharge device : en
  • US1989872A - Combined stool and window chair : en
  • US1990184A - Power transmitting device : en
  • CA347946A - Hollow file and rasp manufacture : en fr
  • DE609055C - AC heated thermostat arrangement : de en
  • DE609187C - Control transformer with ring-shaped iron core : de en
  • FR777015A - Process for the separation of gonadotropic hormones from the anterior lobe of the pituitary gland or hormones with similar action : en fr
  • CA347995A - Hair drying apparatus : en fr
  • DE608736C - Cash register with chain or belt adjustment : de en
  • FR776988A - Improvements to marine boiler superheaters : en fr
  • GB423775A - Improvements in and relating to upholstery installations : en
  • US1989660A - Covering machine for electrical conductors and the like : en
  • DE609202C - Cuff double button with fork-shaped connecting bar : de en
  • DE609124C - Process for the production of phonetic carriers : de en
  • FR776871A - Device for pumping oils : en fr
  • GB423766A - A switching arrangement for cutting out the automatic charging cut-out of lighting dynamos for vehicles fitted with internal combustion engines : en
  • FR776915A - Improvements to gluing mechanisms, particularly for cigarette manufacturing machines : en fr
  • CA348026A - Acetaldehyde production from acetylene : en fr
  • USD94524S - Design for a cup holder : en
  • DE609086C - Liquid balance with a storage room for fine filling in the inlet and a shut-off device controlled by the balance : de en
  • GB423547A - An improved process for the production of welding rods or welding wires : en
  • US1990379A - Spring suspension for railway cars : en
  • FR776929A - Sheet metal tanks : en fr
  • DE609041C - Loading facility : de en
  • FR776912A - Protective coating of stone or other ceramic building materials, asbestos, or the like, for molten metal baths : en fr
  • GB423835A - Improvements in and relating to diesel engine installations : en
  • US1989853A - Art of making rubber soled shoes : en
  • DE609182C - Loudspeaker with large area membrane, especially for travel equipment : de en
  • FR777011A - Process and tools for dressing and calibrating and products conforming to those obtained : en fr
  • GB423601A - Improvements in and relating to the production of aluminium fluoride : en
  • US1989707A - Process for preparing para-(n-secalkylamino) phenols : en
  • US1989830A - Process for removing waste materials from mica and vermiculite : en
  • FR776948A - Improvements made to the seats of air navigation devices : en fr
  • GB423729A - Improvements relating to roller mills for cereal grain : en
  • GB423803A - Improvements in or relating to web feeding apparatus : en
  • GB423833A - Manufacture of isatin-ª†-halides halogenated in the nucleus : en
  • FR776909A - Colorants in vat : en fr
  • US1989953A - Paper clip : en
  • US1990129A - Apparatus for separating materials of different specific gravities : en
  • DE609131C - Rangefinder for photographic apparatus : de en
  • FR776816A - Coal screen device : en fr
  • GB423825A - Improvements in or relating to mechanical rectifiers for converting alternating electric current into unidirectional current : en
  • DE594809C - Steam or gas turbine : de en
  • GB423581A - Improvements in the prepayment mechanism of gas meters : en
  • DE609004C - Steering device for a jet pipe arranged at the top of an erectable and extendable mast : de en
  • GB423627A - Improvements relating to aprons for personal wear : en
  • DE609141C - Writing and drawing device with a writing tip consisting of a ball : de en
  • DE1325508U - : de en
  • US1989816A - Engine : en
  • US1989919A - Sewing mechanism : en
  • GB423611A - Improvements in and relating to joints for mine arch section metal bars : en
  • FR777012A - Improvements to electric lighting lamps : en fr
  • FR776813A - Impact forging bench for the manufacture of tubes and similar hollow parts : en fr
  • US1989670A - Spark plug : en
  • FR776825A - Improvements to printing inks : en fr
  • FR776992A - Mixing device for all fluids : en fr
  • DE609108C - Fixed rail lubrication device : de en
  • GB423607A - Means for opening out or straightening folds or creases in the selvedges of fabrics being acted upon in raising machines : en
  • GB423730A - Improvements in multiple stage blowers : en
  • CA348045A - Lubricating oil : en fr
  • FR776878A - Device used to eliminate the risk of fire in the event of an accident on motor vehicles and aircraft : en fr
  • AU1869534A - Improvements in and relating to display devices : en
  • US1990224A - Sign and method of making it : en
  • DE609047C - Control device for ongoing, simultaneous monitoring of stock levels of various goods and for similar statistical purposes : de en
  • GB423637A - Improvements in or relating to the breaking-down of crude rubber : en
  • US1989950A - Process and apparatus for handling corrugated conduits : en
  • US1990079A - Press for bending tooth backing plates : en
  • US1989717A - Method of making rubber articles : en
  • US1989666A - Burglar alarm : en
  • US1989709A - Paper and method of making same : en
  • GB423563A - Cork remover for bottles and the like : en
  • GB423654A - Improvements in and relating to controllers for web feeding apparatus : en
  • AU1665634A - Improvements in, and relating to, garden shears, sheep shears scissors, pruning shears, secateurs andthe like cutting tools : en
  • FR776777A - Process for preparing dyes for vats : en fr
  • GB423697A - Process for the deoxidation of copper : en
  • US1989822A - Destructive hydrogenation of carbonaceous materials : en
  • GB423658A - Improvements in machines and mechanism for winding yarns or threads or filaments : en
  • US1989799A - Clay gun : en
  • US1990101A - Drag brake : en
  • US1990138A - Measuring device for tube walls : en
  • US1990195A - Vanity case : en
  • US1989886A - Manufacture of safety razor blades : en
  • GB447032A - Process for the production of coloured photographic pictures : en
  • DE609067C - Float device for aircraft : de en
  • DE609005C - Coupling device for motor vehicles : de en
  • USD94460S - Design fob a collar holder : en
  • US1989791A - Incandescent lamp stem : en
  • US1990306A - Internal combustion engine : en
  • CA348042A - Synthetic resin : en fr
  • US1989835A - Machine tool : en
  • CA348078A - Loose leaf binder : en fr
  • US1990203A - Olefine-polysulphide plastic : en
  • CA348067A - Optical system : en fr
  • US1989755A - Vertically reciprocating winged aviating apparatus for human beings : en
  • US1990012A - Clock : en
  • AU1852634A - Apparatus for applying closure caps to jars, tumblers, bottles, and the like : en
  • CA348000A - Direction responsive system : en fr
  • CA348014A - Centrifugal separator : en fr
  • AU1615134A - Improvements in and connected with feed water heaters and de-aerators : en
  • DE609170C - Process for de-taring gas water : de en
  • US1990094A - System of conditioning air and other gases and apparatus therefor : en
  • DE609107C - Braking device with two different braking powers : de en
  • GB423578A - Cross-winding-machine : en
  • GB423834A - Improvements in the treatment of paper : en
  • DE609029C - Intermittently interrupting electrical overload switch : de en
  • DE609138C - A sprung vehicle saddle carried by a saddle support designed as an angle strut : de en
  • DE609201C - Process for the electrodeposition of metals using a mercury cathode : de en
  • US1990344A - Axle extension : en
  • FR777029A - Improvements to folding furniture : en fr
  • US1990288A - Paper pulp screening machine : en
  • US1990122A - Electrical overload circuit breaker : en
  • DE609054C - Coupling device on shut-off devices : de en
  • DE609095C - Cladding for hair, clothes and similar toilet brushes clamped by a sliding hook : de en
  • DE609184C - Storable electrical cell : de en
  • GB423513A - Improvement in liquid-oxygen explosives : en
  • GB423748A - Improvements in or relating to the control of electric oscillators for use with cathode-ray tubes : en
  • DE609059C - Single or multi-roller mill : de en
  • DE609082C - Public address system : de en
  • US1989981A - Insecticide : en
  • DE608666C - Strap connector : de en
  • FR776938A - Radiotelegraph and radiotelephone call device : en fr
  • US1990448A - Brake control : en
  • GB423520A - Improvements in or relating to the manufacture of halongenated ethers : en
  • AU1612634A - Means for attaching printing media toa rotary cylinder : en
  • DE609159C - Electric resistance welding machine, especially for spot welding : de en
  • CA348062A - Glass hardening apparatus : en fr
  • US1990017A - Electrically driven portable tool : en
  • DE542163C - Procedure to eliminate annoying broadening of characters in shortwave telegraphy : de en
  • USD94501S - Design for a coffee percolator : en
  • USRE19447E - Control device for alarm : en
  • CA348075A - Garment : en fr
  • DE608999C - Device for the production of coated paper, in particular carbon paper : de en
  • US1989930A - Means for terminating multiconductor high voltage cables : en
  • US1990461A - Shoe trimming : en
  • AU1607834A - Improvements in or relating to lining concrete pipes : en
  • US1990152A - Method and apparatus for operating gaseous electric discharge devices : en
  • US1990076A - Nonrefillable bottle : en
  • US1990179A - Apparatus for manufacturing cores for valve bodies : en
  • US1989910A - Loom picker : en
  • US1990100A - Brake operator : en
  • US1989995A - Autoette : en
  • US1990167A - Necktie : en
  • CA348023A - Anhydrous metal chloride production : en fr
  • DE609154C - Process for increasing the control speed in alternating current systems that are fed by several alternating current generators or alternating current generator groups operating in parallel : de en
  • GB423522A - Improvements in and relating to methods of regulating dynamo electric machines : en
  • US1989902A - Shoe and sole therefor : en
  • US1989971A - Film checking device for synchronized sound pictures : en
  • CA347933A - Sifter agitator : en fr
  • US1989779A - Automobile interior trim panel : en
  • USD94521S - Design fob a shoe : en
  • CA348046A - Sorting and accounting machine : en fr
  • DE608998C - Display pack : de en
  • CA348040A - Synthetic resin : en fr
  • CA347972A - Window : en fr
  • US1989704A - Method of making decorative rubber articles and product thereof : en
  • US1990160A - Floating toy with device for firing projectiles or rockets whilst floating : en
  • US1989810A - Hose support : en
  • US1990416A - Knitting machine : en
  • CA348052A - Door : en fr
  • US1989685A - Audible speed indicating apparatus : en
  • US1989806A - Packet dispensing device : en
  • CA348032A - Production of fibrous materials from skins and hides : en fr
  • FR776812A - Resonance circuit, in particular control or blocking circuit, for remote control installations operated by means of superimposed currents at audible frequency : en fr
  • GB423613A - Nozzle for the delivery of gas-carried, finely divided material : en
  • GB424248A - Improvements in or relating to the preparation of hydrocarbon motor fuels from oxygen-containing organic compounds : en
  • DE608763C - Process for the production of shoe floor components : de en
  • FR776932A - Sealing device for machine parts : en fr
  • GB423925A - Improvements in and relating to fluid pressure motors : en
  • DE609183C - Arrangement to achieve a certain spread in transformers : de en
  • US1990278A - Shirt and method for attaching labels thereto : en
  • CA348007A - Spooling machine : en fr
  • US1989728A - Method of and apparatus for treating material : en
  • US1990390A - Headlight lens : en
  • USD94458S - Design fob a street sign : en
  • US1989671A - Spark plug : en
  • US1990069A - Method and apparatus for making finned articles : en
  • US1990350A - Calculating machine : en
  • DK49855C - Procedure for Centrifugal Casting of Castings of Concrete or Similar Material. : da en
  • CA347948A - Nut locking arrangement : en fr
  • US1989945A - Package opening device : en
  • US1989972A - Proportioning control system : en
  • US1990053A - Hand tool : en
  • US1990194A - Metering faucet : en
  • US1990316A - Necktie : en
  • DE609027C - Sheet depositing device on office printing machines : de en
  • US1990346A - Doll's head construction : en
  • US1990436A - Convertible automobile body : en
  • AU1731834A - Improvements in hydraulic curb press : en
  • US1990449A - Process of weighting fibers and the product thereof : en
  • CA347977A - Paper winding core end : en fr
  • US1990314A - Welding refractory metal : en
  • US1990341A - Boring tool : en
  • US1989679A - Multiple clamp casing head control : en
  • US1989796A - Method of preparing metal for welding : en
  • US1989984A - Magnetic coupling : en
  • US1989965A - Method of testing recorded sound : en
  • CA347982A - Piston pin : en fr
  • US1990308A - Airplane : en
  • US1990266A - Process of aging liquor : en
  • USD94463S - Design fob a shoe : en
  • CA348090A - Free-wheel driving mechanism : en fr
  • CA348044A - Rock drill : en fr
  • FR776928A - tilting and removable outdoor clothes rack : en fr
  • US1990389A - Headlight for vehicles : en
  • US1990393A - Hydraulic piston : en
  • CA348073A - Electrical insulation : en fr
  • US1989944A - Package : en
  • US1990126A - Ophthalmic lens : en
  • US1990263A - Pump : en
  • CA347990A - Sleeve valve cylinder : en fr
  • CA348030A - Production of fibrous materials from skins and hides : en fr
  • CA348039A - Electric relay : en fr
  • AU1884934A - Improvement inthe construction of rackets for tennis and like games : en
  • US1989782A - Substation : en
  • US1990004A - Jack : en
  • DE567844C - Process for the separation of mixtures of salts of alkali nitrate and ammonium chloride obtained by the reaction of alkali chloride with ammonium nitrate : de en
  • CA347944A - Rotary motion transmitting device : en fr
  • CA348001A - Hydrogen preparation : en fr
  • FR776911A - Tipping trailer for motor vehicles : en fr
  • US1989840A - Sorting device : en
  • US1989935A - Temperature control of catalytic reactions : en
  • US1990110A - Unit heating ventilator : en
  • US1990265A - Even balance scale : en
  • AU1740234A - Process and apparatus for forming directly molten metals : en
  • DE609052C - Arrangement for agricultural machines, in particular for plows with front cart, in which the leg is rotatably connected in the tapered seat with the bearing bush of the front cart : de en
  • CA348006A - Pulp producing apparatus : en fr
  • CA347931A - Luminescent tube operating device : en fr
  • GB423830A - Improvements in or relating to protector devices for shafts and pins : en
  • US1989921A - Waxer and polisher : en
  • CA348028A - Gasket : en fr
  • GB423851A - Improvements in and relating to flat knitting machines : en
  • FR776769A - Propulsion mechanism, in particular for canoes or other water or land vehicles : en fr
  • US1990035A - Portable electrical tool : en
  • US1990394A - Water vapor generating system : en
  • DE609017C - Drive of flat weft knitting machines by an infinitely variable three-phase shunt commutator motor : de en
  • GB423679A - An improved form of hand-operated squeegee : en
  • US1989805A - Bank balancing and check writing device : en
  • FR776887A - Exhaust : en fr
  • GB423628A - Improvements in and relating to emergency doors for buses : en
  • GB423674A - Improvements in and relating to centrifugal rotary pumps : en
  • US1990357A - Invalid bed construction : en
  • USD94514S - Design for a gun sight : en
  • US1989927A - Use of contact masses : en
  • FR776847A - Tube or coil for pin bench : en fr
  • GB423604A - Improvements in or relating to visible index systems : en
  • FR776854A - Arrangement of grid circuits of discharge, vapor or gas, and arc discharge devices : en fr
  • DE609006C - Device for changing the pitch of propeller blades : de en
  • DE609021C - Device for pushing the slide into the box sleeve in cigarette packing machines : de en
  • FR776925A - Device for teaching children to count : en fr
  • FR777003A - Safety air navigation device with vertical, horizontal or oblique flight at will : en fr
  • DE608941C - Printing device on string cigarette machines : de en
  • DE608901C - Device for automatic drilling pressure regulation for earth drilling rigs : de en
  • GB423699A - An improved apparatus for separating metals by vacuum distillation : en
  • US1989839A - Wheel cover : en
  • US1990378A - Combination truck spring : en
  • US1990395A - Heel clamping device for women's footwear : en
  • US1989669A - Band tying machine : en
  • CA347939A - Radiator : en fr
  • US1989689A - Web printing machine : en
  • US1990442A - Complex compound of metals with aliphatic polyhydric alcohols and process of preparing the same : en
  • US1990074A - Die lapping machine : en
  • DE608975C - Firebox wall with cooling pipes : de en
  • GB423528A - Improvements in clamping devices : en
  • US1990248A - Waterproof fibrous tubing and method of making the same : en
  • DE609144C - Track for toys made of elastic, flexible building materials : de en
  • DE609156C - Device for treatment in the capacitor field of electrical short waves : de en
  • US1990116A - Headlight indicator : en
  • DE608913C - Cinder block for traveling grates : de en
  • US1989720A - Pump : en
  • DE609179C - Device for determining load on the floor of transport vehicles : de en
  • FR776897A - Multi-chamber dust filter : en fr
  • DE608970C - Cable splicing machine for manual operation : de en
  • CA348068A - Oscillation generator : en fr
  • USD94470S - Design fob a vernier dial : en
  • DE609088C - Chuck whose jaws are closed or opened by the chuck drive : de en
  • DE609181C - Parallel guidance for wide surface grinding pieces on pantographs : de en
  • DE609189C - Glare protection for locomotive fire doors : de en
  • DK49852C - Sealing device at the Rye ducts in Element heating boilers. : da en
  • US1989862A - Heat reflecting device : en
  • FR776963A - Slag agglomerate and process for manufacturing this agglomerate : en fr
  • GB423623A - An improved cover for teapots and other vessels having loose lids : en
  • FR777040A - Combined Stilligrops and Spray : en fr
  • GB423832A - Ultra-short wave generator : en
  • GB423505A - Improvements in and relating to recording sound : en
  • US1990137A - Wrench : en
  • US1990238A - Electrical heating apparatus : en
  • US1990355A - Concealed drinking fountain : en
  • GB423548A - Improvements in or relating to a device for automatically printing cutting-out lines on paper, cloth and other similar material : en
  • GB423813A - Improvements in or connected with letter boxes and like receptacles : en
  • GB423580A - Improvements in and relating to hydraulic rams : en
  • CA348038A - Torque loading device : en fr
  • FR777023A - Prepayment device automatically ensuring the operation of a t station. s. f. or any other device, for a determined time : en fr
  • GB423829A - Improvements in or relating to hinges for doors, gates and the like : en
  • US1989982A - Core drill : en
  • US1989889A - Printing cylinder appliance : en
  • US1990178A - Pulverization : en
  • CA347940A - Paper bag : en fr
  • US1990155A - Joist : en
  • GB423749A - Improvements relating to brick manufacture and the like : en
  • CA347941A - Steam locomotive : en fr
  • GB423648A - Improvements in chimney pots : en
  • GB423577A - Improvements for hydraulic propellers for ships : en
  • DE608922C - Liquid piston meter with a graduated cylinder : de en
  • DK49836C - Procedure for the Preparation of Acridine Derivatives. : da en
  • US1989711A - Light colored coating composition : en
  • GB423605A - Improvements in or relating to carton and like cutting machines : en
  • GB423783A - Improvements in tube couplings : en
  • GB423514A - Improvements in or relating to the production and use of accelerators for vulcanisation processes : en
  • GB423795A - Processes for the treatment of waters : en
  • GB423844A - Improvements relating to the manufacture of re-process cheese : en
  • US1990298A - Circuit breaker : en
  • CA347961A - Milk bottle receiver and holder : en fr
  • US1989811A - Concrete insert anchor : en
  • US1989841A - Dish rack : en
  • GB423800A - Indirectly heated thermionic cathode : en
  • US1989956A - Method of making tires : en
  • US1990348A - Electric switch : en
  • GB423792A - Manufacture of cyanine dyestuffs : en
  • GB423631A - Improved method of and machine for dry-cleaning eggs : en
  • US1989688A - Printing telegraph apparatus : en
  • US1989980A - Connection for fluid conduits : en
  • US1990457A - Rosin size and method of manufacturing the same : en
  • FR776842A - Direction indicator for vehicles and other uses : en fr
  • US1989900A - Vane type pump : en
  • GB423651A - Apparatus for cutting food particularly meat : en
  • US1989850A - Fishing jig : en
  • DE605517C - Process for the enrichment of compressed yeasts with enzymes : de en
  • DE608925C - Ashtray with foldable side panels : de en
  • DE609075C - Rotatable polishing device : de en
  • FR777049A - Collimator optics : en fr
  • GB423610A - Improvements in and relating to vacuum cleaners : en
  • US1989967A - Method of making plowshares : en
  • US1990202A - Olefine-polysulphide plastic : en
  • AU277674B2 - Thermo-chemical joining of nylon yarns : en
  • FR776937A - Improvements in the production of syngenite and in the production of potassium sulphate from potassium chloride : en fr
  • GB423510A - Improvements relating to preventing freezing of the induction systems of internal combustion engines : en
  • GB423616A - Improved apparatus for the conditioning of air in living rooms, offices, vehicles and the like : en
  • USD94500S - Design for an ice cream cone : en
  • DE609186C - Switch with conductive liquid : de en
  • GB423519A - Improvements in or relating to the manufacture of rubberised fabric : en
  • GB423614A - Feeding device for finely divided material : en
  • US1989855A - Knockdown sign : en
  • US1990332A - Filling feeler : en
  • US1990403A - Combination shirt and suspenders : en
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  • US1989718A - Battery cable : en
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