• DE683310C - Ratchet mechanism, especially for counters : de en
  • US2178359A - Air and fuel inlet for furnaces : en
  • US2178505A - Convertible steering unit for rowcrop tractors : en
  • FR848498A - Improvements to machines for punching statistics recording cards : en fr
  • DE683221C - Method and device for lifting an endless glass ribbon from the melt : de en
  • US2178478A - Elastic rail spike and its arrangement with respect to the rails : en
  • DE683183C - Scraper conveyor : de en
  • GB514295A - Improvements in and relating to bearings for spindles : en
  • US2177731A - Control system for liquid heaters : en
  • US2178152A - Brake cycle for internal combustion engines : en
  • US2178407A - Buffer : en
  • US2178425A - Refrigerating machine : en
  • DE683112C - Device for shutting off the flue gas ducts of combustion systems : de en
  • FR848633A - Machine for cutting textile fibers : en fr
  • GB514198A - Improvements in sensitized photographic emulsions : en
  • FI18624A - Spritkök eller liknande : en fi
  • FR848456A - Metal surface protection agent : en fr
  • GB514185A - Improvements in or relating to collapsible pit props and the like : en
  • DE683374C - Protective gas preparation and generation system for industrial furnaces : de en
  • FR848650A - Shutter device for multi-lens cameras and in particular stereoscopic cameras : en fr
  • GB514125A - Improvements in or relating to method of manufacturing refractories : en
  • FR848568A - Improvements made to the construction of overhead propeller blades : en fr
  • US2177847A - Circuit arrangement adapted to equalize working voltage fluctuations in amplifiers : en
  • US2178121A - Apparatus for shaping paper : en
  • US2178190A - Puzzle : en
  • US2178064A - Sliding scale multiplying machine : en
  • US2178284A - Annunciating apparatus : en
  • US2178168A - Outlet box with adjustable support : en
  • US2178481A - Heat exchanging apparatus : en
  • ES144475A3 - Improvements in the apparatus for stretching glass strips. : en es
  • US2178501A - Metal base : en
  • US2177794A - Locomotive stoker : en
  • FR848564A - Device for connecting, with a rigid drive axle, the masses with displacements damped by spring on motor cars, and this for the transmission of the longitudinal thrust forces : en fr
  • ES144485A1 - Procedure to prevent corrosion of metal parts of cooling or heating systems that conduct water. : en es
  • GB514204A - Improvements in suspension means for the driving motors in electric traction vehicles : en
  • AU37339A - Process forthe application of luminous substances on walls : en
  • ES144326A1 - A system of gradual transmission of movement by means of friction cones. : en es
  • GB514131A - Improvements in or relating to painting brushes : en
  • USD117384S - Design for a coat : en
  • CA384826A - Petroleum product colouring apparatus : en fr
  • IE15860L - Adding lead to steel : en
  • FR848428A - Advanced lubricant for lubricating ball bearings and similar anti-friction bearings : en fr
  • FR848617A - Apparatus for storing reference books such as registers or telephone directories : en fr
  • AU164338A - Improved method and apparatus for adsorbing moisture andother impurities from air, gas or other fluids : en
  • DE683247C - Static friction indicator for road vehicles : de en
  • US2177881A - Permanent waving : en
  • US2177992A - Rouging device for buffing wheels : en
  • DE683116C - Tower cooking device : de en
  • FR848457A - Process for obtaining low freezing point oils : en fr
  • US2178510A - Removal of chlorides from solutions of amino acids : en
  • USD117396S - Design fob a hamper ob similar : en
  • FR848466A - Twin buttons for closing military or sports tents, canvas envelopes or bags, purses and the like : en fr
  • DE683088C - Device for producing screw chambers closed on one side : de en
  • FR848427A - Advanced solid lubricants : en fr
  • GB514053A - : en
  • FR848543A - scaler : en fr
  • US2177866A - Rock bit : en
  • US2177931A - Coiled shutter for enclosures : en
  • US2178184A - Presser foot for sewing machines : en
  • CA384875A - Glass tempering apparatus : en fr
  • FR848441A - Long bore finishing device : en fr
  • DE683097C - Process for the preparation of chloro-2-butadiene-1,3 : de en
  • ES144427A1 - Procedure for the manufacture of glass fibers and other materials. : en es
  • GB514189A - Improvements in or relating to grass-cutting machines, particularly for lawns : en
  • DE683163C - Device for electrical spot welding with the help of controllable gas or vapor discharge paths : de en
  • AU482238A - ImDrovements in road working machines : en
  • CH207398A - Contact surface on line parts made of aluminum or aluminum alloys. : de en
  • ES144472A1 - Device to carry out reactions in metallic tissues that act as catalysts. : en es
  • US2177871A - Agriculatural implement : en
  • CH207330A - License plate for removable attachment to chair backs. : de en
  • CH207387A - Device for fixing a tool to its handle. : en fr
  • US2177776A - Grease reservoir : en
  • US2177889A - Power transmission : en
  • US2178114A - Stock reel mechanism for automatic multiple spindle screw machines : en
  • GB514141A - An improved thermionic tube with slit anode : en
  • GB514059A - Improvements in or relating to thermionic amplifiers : en
  • DE683296C - Extendable, single-stile fire ladder : de en
  • DE683324C - Fluid drive for, in particular, electric drive switches for vehicles : de en
  • FR848437A - Process for obtaining dials with hour turns or raised and bevelled signs : en fr
  • GB514273A - Improvements relating to apparatus for removing leaves and other debris from a stream by water action : en
  • DE683299C - Process for the treatment of mammals of sea mammals, in particular for the production of sausage casings : de en
  • GB514222A - Improvements in rippling machines : en
  • FR848584A - Tractor traction arm : en fr
  • DE683092C - Automatic gas lighter controlled by the gas tap : de en
  • US2178302A - Fastening device : en
  • FR848689A - Constant level air humidifier : en fr
  • FR848638A - Detachable buckle for straps, thongs or the like : en fr
  • GB514109A - Improvements in or relating to envelopes, paper bags, and like articles of stationery : en
  • CH207435A - Nailless locking device on boxes. : de en
  • CH207353A - Process for avoiding a reversal of sides when reproducing stereo images in vertical film flow, which were recorded on horizontally running negative film and are reproduced with image rotation. : de en
  • US2177860A - Baseball game : en
  • US2177907A - Hair comb attachment and cleaner : en
  • CH207317A - Central heating boiler. : de en
  • DE683190C - Power operated machine tool : de en
  • DE683298C - Hull with buoyancy surfaces : de en
  • US2178210A - Isolation of leucine and tyrosine from corn gluten : en
  • FR848671A - Forced circulation boiler with a vapor separator in each tube or group of vaporization tubes : en fr
  • GB514081A - A process for producing inter-polymerisation products of tertiary and secondary olefines : en
  • GB514163A - Improvements in and relating to snap-action electric switches : en
  • US2178403A - Motor fuel : en
  • US2177893A - Vehicle : en
  • US2178035A - Automatic coupling for toy railway vehicles : en
  • BE436545A - : en fr
  • AU150439A - Improvements in combinations of high-pressure metal-vapour electric discharge lamps with electric incandescent lamps in series with them : en
  • AU16739A - Manufacture of soap : en
  • CH207457A - Carrying device attached to an object intended to be carried, in particular a suitcase, which at least makes theft more difficult. : de en
  • CH207327A - Dust firing. : de en
  • US2177686A - Engine driven generator system : en
  • US2177833A - Masking panel for carriages : en
  • US2178523A - Production of high molecular hydroxylated condensation products from crotonaldehyde : en
  • DE683366C - Hiking pillar : de en
  • DE683249C - Grinding device for the teeth of a thread cutting jaw set : de en
  • DE683373C - Heat exchangers, especially for high-tension gases and liquids : de en
  • US2178276A - Anticheat device for games, etc. : en
  • DE683354C - Circuit arrangement for electromagnetically advanced price indicators in auction systems : de en
  • FR848459A - Wetting, dispersing and washing products : en fr
  • US2178429A - Machine for applying elastic caps to containers : en
  • US2178516A - Lens marker : en
  • US2178229A - Computing register construction : en
  • DE683210C - Electromotive drive for winding devices for fabric webs : de en
  • DE683209C - Control circuit for controlling an electric motor drive into a specific end position, in particular for controlling a roller adjusting motor : de en
  • DE683355C - Drive indicator : de en
  • US2177852A - Refrigerating apparatus : en
  • US2177743A - Production of coiled vitreous tubing : en
  • US2177857A - Treating sewage : en
  • US2178071A - Elevator control system : en
  • US2178031A - Apparatus for shaping and sizing balls : en
  • AU108890B2 - An improved hay press : en
  • US2177664A - Distillation and purification of carbonizable organic materials : en
  • US2177718A - Electrical outlet supporting device : en
  • US2177805A - Automatic fuel regulation of open hearth furnaces : en
  • US2178404A - Swatcft cover : en
  • CH207383A - Process for the production of cups, tubes or the like from zinc by spraying cast workpieces. : de en
  • ES144314A3 - A process for manufacturing a new structure for gas masks or caps. : en es
  • US2178322A - Power take-off : en
  • US2178357A - Metallic building unit : en
  • FR848557A - Improvements to boxes and other containers for liquids, powders and others : en fr
  • FR848672A - Removable hangar with interior canvas lining : en fr
  • US2178146A - Piezoelectric element : en
  • US2177946A - Variable speed transmission : en
  • US2178037A - Mechanism for the advancement of the carriage of typewriters and the like : en
  • US2178088A - Spraying device : en
  • US2178465A - Printing press : en
  • US2178483A - Envelope opener : en
  • DE683243C - Centering device for internal brake shoes of motor vehicles : de en
  • DE683293C - Neon letters : de en
  • US2178382A - Carbon black : en
  • US2177812A - Stranding machine spool mounting : en
  • US2178245A - Sound recording apparatus : en
  • US2178397A - Electric water heater : en
  • CH207335A - Method for operating washing machines with a motor-driven washing drum. : de en
  • US2178016A - Automatic uncoupling of toy railway vehicles : en
  • US2178398A - Refrigerating apparatus : en
  • AU108841B2 - Improvements in or relating to facsimile telegraph transmitters andthe like : en
  • DE683333C - Mold for casting magnesium : de en
  • US2177740A - Bottle washing mechanism : en
  • US2177943A - Ceramic body for spark plug insulators : en
  • US2178072A - Band discriminating means and method : en
  • BE436465A - Clothing for military and civilian use, flame retardant and providing effective protection against gases, especially mustard gas : en fr
  • US2177786A - Card and key carrier : en
  • US2177651A - Container for lipstick and applicator : en
  • US2177688A - Cathode-ray tube scanning system : en
  • US2178058A - Speedometer cable lubrication tool : en
  • USD117435S - Design for a dress ensemble : en
  • US2178043A - Dental pontics : en
  • GB514200A - Improvements in or relating to warming electrically driven vehicles : en
  • US2178193A - Chance apparatus : en
  • US2177737A - Photographic apparatus : en
  • ES144479A1 - Procedure for the treatment of crystal fibers. : en es
  • FR848548A - Children's armchair table : en fr
  • FR848430A - Amplifier with one or more frequency independent stages : en fr
  • CA384839A - Electric lighter switch mechanism : en fr
  • AU108870B2 - Improvements in or relating to water-jackets for two-stroke cycle internal combustion engines : en
  • DE683129C - Device for recording multicolor images on lenticular lenticular films : de en
  • DE683205C - Process for stabilizing alkaline solutions of cellulose ethers : de en
  • GB514283A - Improvements relating to chenille setting looms : en
  • CH207352A - Attachment device for creating plastic-looking film images. : de en
  • CH207417A - Device for preventing the auricles from protruding from the head in children. : de en
  • CA384833A - Automobile speed determination : en fr
  • FR848657A - Improvements to safety valves : en fr
  • US2177657A - Explosive : en
  • CH207379A - Watch movement with alarm clock. : en fr
  • CH207338A - Adjustable bust. : de en
  • CH207443A - Process for the production of water-soluble basic aluminum nitrate. : de en
  • GB514091A - Concentric lines and circuits therefor : en
  • GR8569B - PRACTICAL CLOTHING HANGER. : el en
  • US2178099A - Organic mercury compound and a method of producing the same : en
  • US2178342A - Universal conveyer : en
  • CH207347A - Waterproofing composition. : en fr
  • CA384844A - Cotton cord processing : en fr
  • DE683314C - Loose-leaf book : de en
  • AU108842B2 - Improvements in or relating to television and like transmitting cathode ray tubes : en
  • DE683383C - Adjustable eye protection device for welding torch : de en
  • FR848620A - Spool with tapered base : en fr
  • US2178175A - Sewing machine : en
  • US2177815A - Device for sterilizing safety razors and blades : en
  • US2178196A - Typewriter case : en
  • DE683256C - Line separator for surge arrester : de en
  • DE683292C - Billboard : de en
  • FR848421A - Manufacturing process for high molecular weight nitrogen rich amines : en fr
  • US2177636A - Combined cigarette holder, smoker, and ash-retainer : en
  • DE683262C - Cylinder sleeve for internal combustion engines with reciprocating pistons : de en
  • CA384827A - Swivel : en fr
  • USD117429S - Design fob a dress : en
  • US2177858A - Apparatus for exciting luminous tubes : en
  • US2177865A - Lug locking lock washer : en
  • US2178454A - Production of olefin oxides : en
  • US2178494A - Receptacle holder : en
  • US2177974A - Suction cleaner : en
  • US2177917A - Boiler : en
  • ES144441A1 - Procedure for obtaining start-paint agents. : en es
  • GB514147A - Device for regulating the composition of the mixture in carburettor aircraft engines : en
  • US2177759A - Centrifugal switch : en
  • US2177875A - Spigot : en
  • US2178131A - Copying and engraving machine : en
  • US2177956A - Brake mechanism : en
  • US2178201A - Method of hardening ferrous bodies : en
  • US2178080A - Eraser : en
  • DE683261C - Method for facilitating the starting of four-stroke injection diesel engines : de en
  • USD117439S - Fusco : en
  • US2177761A - M-derived band-pass filter : en
  • US2178513A - Lubricating composition : en
  • DE683215C - Surge arrester with air exclusion : de en
  • FR848667A - Improvements to the means for transmitting movement between at least two shafts : en fr
  • AU108876B2 - Improvements in or relating to electric condensers : en
  • USD117402S - Design for a squeegee : en
  • US2178473A - Sharp edge cutting die : en
  • USD117390S - Design for a flexible pocket : en
  • US2177877A - Etching machine : en
  • US2178335A - Automatic lubricator : en
  • US2178325A - Sulphurized cutting oil : en
  • FR848447A - : fr
  • AU458338A - Improved incinerator : en
  • US2177750A - Strand handling apparatus : en
  • USD117426S - Design fob a negligee : en
  • CA384909A - Pellicle printing method : en fr
  • FR848546A - AC relay for receiving remote control commands : en fr
  • GB514162A - Improvements in or relating to machines for forming a continuous tobacco rod or filler : en
  • US2178156A - Transitory switch : en
  • US2178197A - Photoelectric exposure meter : en
  • ES144421A1 - Procedure for obtaining carbon sulphide. : en es
  • US2178222A - Ball rolling machine : en
  • US2178057A - System of lenses : en
  • US2177793A - Man-powered vehicle : en
  • US2178442A - Thread cleaner : en
  • BE436287A - Alloys for jewelry and rings : en fr
  • FR848425A - Improvements to smoke emitting devices : en fr
  • GR8575B - PERFECTIONS ON INCOMMATORS. : el en
  • DE683269C - Device for generating block ice in the storage room by means of natural cold : de en
  • US2177673A - Bomb displacing gear : en
  • US2177709A - Device for imparting motion to toy airplanes : en
  • US2178277A - Loose-leaf binder : en
  • GB514205A - Improvements in fireplaces : en
  • DE683294C - Photographic reproduction device : de en
  • GB514206A - Improvements in or relating to fireplaces : en
  • US2178300A - Amusement device : en
  • US2178332A - Shock absorber for vehicles : en
  • IE15713L - Denture plate. : en
  • US2178047A - Wind driven generator structure : en
  • AU411738A - An improved method of charging internal combustion engines : en
  • US2178105A - Traction wheel : en
  • DE683049C - Vacuum steam heating system : de en
  • FR848443A - Speed regulator : en fr
  • IE15527L - Quartz to metal seals : en
  • GB514098A - An improved method of synthesizing liquid hydrocarbons : en
  • USD117380S - Design for a door handle : en
  • GB514267A - Improvements in or relating to fire-resisting casings for beams and columns in structures : en
  • US2177825A - Gas pressure regulator : en
  • FR848595A - Process for the preparation of phenanthridine derivatives : en fr
  • GB514258A - A wire-mesh fabric guard : en
  • US2178321A - Solvent refining : en
  • DE683345C - Arrangement for cooling slide bearings : de en
  • GB514237A - Improved impression-device for printing-adding machines : en
  • GB514218A - Improvements connected with electric water heaters : en
  • IE15474L - Opal luminescent glasses : en
  • GB514271A - Improvements in or relating to television and like receivers : en
  • GB514172A - Improvements in or relating to composite products : en
  • GB514242A - Improved shaftless screw propeller : en
  • DE683110C - Electric tungsten or molybdenum resistance furnace : de en
  • DE683111C - Process for the production of paints that are resistant to corrosion : de en
  • US2177668A - Process of aging calcined gypsum : en
  • US2177988A - Corn husker : en
  • ES144434A2 - PROCEDURE FOR THE DEPOSITION BY IRRIGATION OF LIQUID COATING COMPOSITIONS : en es
  • GB514040A - Improvements in washing appliances : en
  • US2178498A - Rubber process : en
  • AU108846B2 - ImDrovements in road working machines : en
  • US2178531A - Sewing machine : en
  • USD117348S - r cutter : en
  • DE683201C - Process for the production of ice colors by the printing or padding process on animal fibers or on synthetic fibers made of cellulose or on mixtures of the two types of fiber : de en
  • GB514049A - Footwear : en
  • GB514152A - Improvement in iron alloys, including steels, having elevated chromium content : en
  • FR848680A - New attachment and adjustment methods, for suspenders, garters, sock holders or the like : en fr
  • USD117422S - Design for : en
  • US2177690A - Electric discharge device : en
  • ES144359A1 - A procedure for obtaining an insecticide disinfectant. : en es
  • US2177653A - Method and means for registering printing plates : en
  • AU108869B2 - Improvements in or relating to carpet sweepers : en
  • CH207328A - Device for covering openings. : de en
  • US2177666A - Coating apparatus : en
  • US2177712A - High-pressure metal vapor electric discharge lamp : en
  • US2177895A - Electric gaseous discharge device : en
  • FR848418A - Heater for combustion air in fireplaces and similar appliances : en fr
  • US2177971A - Mill for hot rolling strip : en
  • SU55921A1 - Device for sparkless switching of electrical circuits : en ru
  • US2178519A - Bypass odorizer : en
  • US2178528A - Process of producing rubber balls : en
  • CH207369A - Bearing arrangement to avoid the nighttime effect. : de en
  • FR848404A - Lightweight metal heel : en fr
  • GR8561B - PERFECTIONS AND WING MISSIONS. : el en
  • SU55951A1 - Telegraph Retraississi Bodo : en ru
  • CH207336A - Brassiere. : de en
  • AU547538A - Improvements in magnetic lenses for focussing a beam of electrons : en
  • CH207423A - Switching arrangement for eliminating interference in superheterodyne receivers. : de en
  • DE683192C - Circuit arrangement for determining the correctness of the own number given by a calling subscriber in telephone systems with dialer operation : de en
  • DE681321C - Device for generating body cross-sectional images by means of X-rays : de en
  • CH207389A - Device for removably joining two metal sheets. : en fr
  • DE683149C - Method for mending areas covered with grained artificial leather, for example motor vehicle bodies or the like. : de en
  • DE683175C - Method of copying lenticular film : de en
  • ES144329A1 - A procedure for the manufacture of a new footwear. : en es
  • FR848545A - Manometer : en fr
  • CA384858A - Pulp sheet nitration method : en fr
  • FR848563A - Process for treating primary tars and fuel oils, products obtained and uses of said products : en fr
  • FR848641A - Boiler for water heating or steam generation : en fr
  • FR848683A - Fusion welding process and its applications : en fr
  • CH207342A - Process for the alkylation of aromatic compounds. : de en
  • DE683160C - Method and device for aligning incandescent lamps with respect to the base : de en
  • US2178530A - Latch for automobile doors : en
  • SE97221C1 - Ways to make bleaching earth from raw clay : en sv
  • US2178082A - Manufacture of ammonium sulphate : en
  • US2178515A - Process of refining hydrocarbon oils : en
  • US2178366A - Sintering : en
  • US2178444A - Valve spring dampener : en
  • US2178272A - Tens transmitting device : en
  • CA384867A - Refrigerator control : en fr
  • US2177835A - Arrangement for varying the band width in high-frequency circuits : en
  • US2178164A - Road or street marker : en
  • US2178169A - Butcher block treating implement : en
  • US2177748A - Control means : en
  • CA384865A - Moistureproofing composition and article : en fr
  • CA384879A - High voltage insulated cable : en fr
  • FR848489A - Electronic amplifier : en fr
  • GB514156A - Improvements in or relating to the manufacture of electric condensers : en
  • CH207377A - Hermetic winder. : en fr
  • US2177832A - Load connecting relay : en
  • AU108867B2 - Improvements in and relating tothe manufacture of upholstery mattresses andthe like : en
  • DE683327C - Automatic short-circuit device for the collectors of repulsion induction motors : de en
  • ES144367A1 - Rotating bumper, especially suitable for pleasure park buggies. : en es
  • US2178457A - Visible index : en
  • US2178232A - Cathode ray tube : en
  • CH207419A - Transmission device for totalizing with equivalent and non-equivalent advanced transmission wheels. : de en
  • DE683189C - Edge presser device for looms with fixed weft bobbins : de en
  • GB514137A - Apparatus for feeding billets for rolling narrow sheets between the rolls of a rolling mill : en
  • US2177720A - Quilting frame stand : en
  • US2177982A - Barrel electroplating machine : en
  • US2178218A - Television system : en
  • US2178529A - Bearing manufacture : en
  • USD117373S - Design fob a punch bowl or similar : en
  • US2178479A - Relay system : en
  • CA384885A - Element fastening machine : en fr
  • US2177808A - Tiltable couch for x-ray diagnosing purposes : en
  • CA384905A - Branched-chain paraffin hydrocarbon production : en fr
  • CH207329A - Clothes rack. : en fr
  • US2178023A - Reel support for harvesting machines : en
  • GB514171A - Improvements in or relating to heel seat lasting machines : en
  • USD117359S - Design fob an embroidered textile : en
  • US2177654A - Roasting and smelting furnace : en
  • CH207403A - Electrode for spark gap arrangements. : de en
  • IE16037L - Frequency reducing system : en
  • US2178467A - Trailer hitch connection : en
  • SU55838A1 - Warp roller : en ru
  • US2177879A - Method of making bookbinding cases : en
  • US2178385A - Clothes wringer and rinser : en
  • CA384829A - Piston ring : en fr
  • DE683337C - Metal tube construction : de en
  • ES144425A1 - Procedure for the manufacture of cellulose. : en es
  • GB514064A - Improvements in or relating to electrical wave filters : en
  • GR8555B - PLASTIC MATERIAL NEW BASE FOR CONSTRUCTION OF ALL NATURE OF PLASTIC ITEMS. : el en
  • US2178097A - Prestressed structural unit : en
  • US2178144A - Automobile brake : en
  • FR848522A - Triptych wall leaflet : en fr
  • FR848547A - Pressure-resistant and explosion-protected housing for electrical devices : en fr
  • US2177676A - Television system and apparatus : en
  • US2178339A - Cash register and accounting : en
  • FR848540A - Cold-fluid coal creosote product, and method of manufacture thereof : en fr
  • US2177790A - Educational game : en
  • US2178063A - Terminal clip : en
  • US2178355A - Internal combustion engine-electric power unit : en
  • US2178389A - Humidifying apparatus : en
  • USD117413S - Design for a dress : en
  • US2178337A - Connector : en
  • CH207356A - Pen holder. : de en
  • CA384837A - Twin cylinder engine : en fr
  • SU55871A1 - Razborna chain, having a hinge in two mutually perpendicular directions : en ru
  • US2177751A - Engraving process : en
  • US2178143A - Method of forming wheel disks : en
  • US2178434A - Liner and curtain for containers : en
  • US2177828A - Hydraulic cycle control : en
  • US2178027A - Altimeter for aircraft : en
  • CA384915A - Cellulose derivative processing : en fr
  • CH207371A - Arrangement for wireless direction determination. : de en
  • FR848590A - Sheet metal door, in particular for motor vehicles : en fr
  • GB514278A - Improvements in and relating to electric fuses : en
  • US2177663A - Refrigerating apparatus : en
  • US2177739A - Machine for making wired tags : en
  • US2178129A - Slaughtering knife : en
  • US2177945A - Mulling apparatus : en
  • US2178002A - Water heater for ranges : en
  • US2178392A - Porthole cover construction : en
  • US2178154A - Hat brim pouncing machine : en
  • US2178414A - Spooling or reeling apparatus : en
  • US2178424A - Ice skate : en
  • CH207390A - Device for removably joining two metal sheets. : en fr
  • US2177658A - Method for feeding thermoplastic materials : en
  • USD117345S - Design for a game board : en
  • USD117430S - Design fob a brassiere or similar : en
  • CA384876A - Conveyer : en fr
  • AU108859B2 - Electrically operated volumetric weighing apparatus for granular materials : en
  • CH207350A - A process for producing doubled metal, and doubled metal obtained by this process. : en fr
  • CH207444A - Process for preparing a macrocyclic lactone. : en fr
  • US2177647A - Method and machine for the abstraction and preparation of fibers : en
  • US2177791A - Dry shaving implement : en
  • AU467138A - Systems indicating the direction of propagation of, for example electromagnetic waves : en
  • CA384859A - Hydrogen peroxide distillation apparatus : en fr
  • CH207426A - Device for remote setting of a heterodyne receiver. : de en
  • DE683301C - Process for the production of lightweight building blocks : de en
  • ES144319A3 - A system to automatically carry out mechanical operations on filters and gas scrubbers. : en es
  • FR848518A - Rotary vane pump, reversible as a motor : en fr
  • US2177999A - Package : en
  • DE683344C - Reversible internal combustion engine with a rotating air compressor that is effective in both directions of rotation : de en
  • DK56864C - Apparatus for the production of ozone. : da en
  • CH207340A - Dough molding machine. : de en
  • US2178401A - Motor mounting : en
  • AU108832B2 - Improvements in and relating to ice-cream freezing machines : en
  • DE683180C - Desk signal apparatus : de en
  • DE683062C - Control for a vehicle drive with at least two propellers, especially for aircraft : de en
  • DE683204C - Process for the production of vaseline-like substances : de en
  • DK56861C - Detergent. : da en
  • US2178270A - Horticultural germicide : en
  • GB514247A - Improvements in apparatus for continuously producing helical coils of wire : en
  • US2177949A - Method of making wear resisting well strainers : en
  • US2178309A - Oil flow pump : en
  • US2178526A - Resilient support for lighting attachments : en
  • US2178406A - Dough dividing machine : en
  • CH207366A - Gas pressure loader designed as a fully or semi-automatic firearm. : de en
  • DE683316C - Process for the preparation of hydroaromatic sulfuric acid compounds : de en
  • AU108898B2 - Pressure plate assembly for tire moulds : en
  • CH207430A - Signaling device actuated by a mechanism triggered by a clockwork movement. : en fr
  • US2178495A - Hat band : en
  • US2177696A - Gaseous electric discharge lamp device : en
  • DE683232C - Process for the production of rubber-like polymers from 2-chlorobutadiene which do not harden on storage : de en
  • DE683353C - Signaling device to prevent accidents when switching electrical machines or systems on or off : de en
  • CH207410A - Steam or gas-filled electrical discharge vessel. : de en
  • US2178312A - Safety control mechanism for gas or liquid fuel burners : en
  • AU309438A - Improvements intime bases for cathode ray tubes : en
  • DE683114C - Use of polymerisation products of acrylic acid or its derivatives for the production of dressing materials : de en
  • FR848569A - Electric discharge tube : en fr
  • GB514199A - Improvements in or relating to machines for forming a continuous tobacco rod or filler : en
  • CH207357A - Electric touch control device for fencing assaults. : en fr
  • DK56866C - Procedure for Continuous Decomposition of Soapable Oils and Fats. : da en
  • DK56863C - Method for Treating Textile Materials to Make Them Waterproof. : da en
  • US2178068A - Mechanism for preventing formation of ice on windshields : en
  • CH207370A - Arrangement for wireless course guidance using complementary characters. : de en
  • GB514285A - Improvements in or relating to tone-controlling impedance networks : en
  • AU108830B2 - Improvements relating to fastening devices for engine cowlings A inspection covers, andother purposes : en
  • DE683105C - Electrothermal overcurrent switch with toggle lever actuation : de en
  • US2178340A - Wave form modifying circuits : en
  • CA384878A - Glass coated screen : en fr
  • US2178074A - Electrical measuring system : en
  • US2178170A - Clevis : en
  • US2177698A - Package and method of and means for making the same : en
  • US2178455A - Mineral oil lubricant : en
  • CA384912A - Cable signal correction : en fr
  • CA384846A - Railway car brake : en fr
  • BE436466A - : en
  • CH207332A - Protective cover for clothing, furs and the like. : de en
  • US2178179A - Metal paste pigment : en
  • CH207380A - Chronograph-counter. : en fr
  • USD117385S - Design for a dress : en
  • US2177846A - Electric insect destroyer : en
  • US2178263A - Winding machine : en
  • DK56879C - Playing cards. : da en
  • FR848578A - O.o'-dihydroxy-azo dyes and process for their preparation : en fr
  • AU108881B2 - Improvements relating to pedals for cycles andthe like : en
  • CH207354A - Photographic material especially for color photography. : de en
  • US2178422A - Air-speed indicator : en
  • US2178470A - Logging device : en
  • CA384842A - Welded article of high copper alloys : en fr
  • GB514102A - Improvements in and relating to the production of puffed cereal products : en
  • US2178511A - Refrigerating apparatus : en
  • CH207312A - Emptying device for a barrel. : en fr
  • AU243239A - Improvements inthe manufacture of foam-generating substances : en
  • FR848453A - Process for removing salts from water : en fr
  • GB514181A - Improvements in or relating to calculating machines : en
  • FR848438A - Pre-ignition chamber diesel engine with a central core mounted in the pre-ignition chamber : en fr
  • US2177681A - Manufacture of extruded articles : en
  • US2178185A - Machine for washing, drying, and polishing fruits : en
  • US2178370A - Industrial truck : en
  • FR848562A - Manufacturing process of valve springs intended to withstand particularly heavy fatigue : en fr
  • GB514114A - Manufacture of slivers of cut fibres from continuous artificial filaments : en
  • AU470438A - Improvements in or relating to water-jackets for two-stroke cycle internal combustion engines : en
  • CA384898A - Hand brake : en fr
  • GB514119A - Improvements relating to securing devices, particularly for such parts as aircraft cowlings and the like : en
  • US2177920A - Reflector button unit : en
  • US2177942A - Window screen hanger : en
  • GB514118A - Improvements in or relating to printing cylinders : en
  • FR848407A - Process for stabilizing insoluble alkaline earth compounds with glycolates : en fr
  • FR848434A - Ball-driven spreader bar with opposite ramps, for controlling the upper arms of bicycle brakes or the like : en fr
  • AU108877B2 - Improvements in magnetic lenses for focussing a beam of electrons : en
  • GB514129A - A process for the preparation of 2-nitronaphthalene-4-8-disulphonic acid : en
  • DE683154C - Storage of a conveyor roller arranged in the furnace head of a tower furnace : de en
  • FR848598A - Device for keeping articles such as playing cards under press : en fr
  • CH207365A - Mass locked automatic firearm. : de en
  • CH207449A - Process for the preparation of a condensation product. : de en
  • CH207452A - Process for the preparation of a condensation product. : de en
  • GB514090A - Improvements in or relating to centrifugal machines : en
  • US2177766A - Process for producing fused products : en
  • DK56867C - Holster for rod-shaped Material, in particular Toiletries. : da en
  • GB514197A - Improvements in or relating to collapsible pit props and the like : en
  • USD117423S - Design foe : en
  • US2177961A - Brake mechanism : en
  • DK56876C - Wooden window. : da en
  • US2177856A - Folding box : en
  • GB514127A - Improvements in or relating to vessels for melting metals or evaporating liquids : en
  • DK56870C - Holder for milking buckets. : da en
  • DK56873C - Bicycle support. : da en
  • FR848649A - Cream box : en fr
  • GB514063A - Improvements in or relating to frequency dividers : en
  • ES144424A1 - A new procedure for obtaining lanolin. : en es
  • ES144476A3 - Improvements in sheet glass stretching apparatus. : en es
  • FR848684A - Device for maneuvering and blocking a part moving around an axis and subjected to electromagnetic forces : en fr
  • US2177954A - Brake mechanism : en
  • FR848634A - Caller simulating a bird with movable wings and heads : en fr
  • GB514294A - Improvements in or relating to arrangements for the regulation of electric supply systems : en
  • GB514158A - Improvements in and relating to wind screen wipers : en
  • FR848593A - Hydraulic, pneumatic or oleopneumatic installation, allowing the volume of one or more compression chambers of a deformable system to be varied : en fr
  • FR848686A - : fr
  • GB514168A - Improvements in or relating to means for maintaining turf or the like edges : en
  • GB514190A - Improvements in and relating to vacuum cleaners : en
  • DE683146C - Rod control device for drying hangers : de en
  • GB514293A - Improvements in or relating to machines for washing bottles or similar containers : en
  • DE683254C - Connection, especially for steel smoke pipes from locomotive boilers with a boiler wall : de en
  • DE683251C - carousel : de en
  • US2177850A - Remote control means : en
  • DE683115C - Bacteria filter for vacuum cleaners soaked with germicidal substances : de en
  • DE683188C - Timing device, especially for sporting events : de en
  • FR848553A - Variable slope electric discharge tubes : en fr
  • FR848558A - Capping device : en fr
  • GB514262A - An improved process of and composition for leak proofing gas distribution systems : en
  • US2177997A - Automatic weighing apparatus : en
  • FR848403A - Flow device for liquid fuel which overflows or settles in carburettors, tubular suction ducts or the like : en fr
  • FR848471A - : fr
  • GB514195A - Improvements in and relating to wardrobes and the like : en
  • US2178178A - Safety head : en
  • USRE21252E - Method of manufacturing abrasive : en
  • US2177928A - Hollow metal ball and method of making same : en
  • US2178445A - Refrigerating machine : en
  • CH207391A - Stopcock. : de en
  • US2177639A - Focusing device for incandescent studio spotlights : en
  • FR848660A - Vertical dryer with stacked trays : en fr
  • GB514232A - Sewing machine : en
  • GB514248A - Improvements in and relating to casings for housing the gears of motor vehicles : en
  • USD117352S - Design fob an embroidered textile : en
  • USD117381S - Design for a grater holder : en
  • AU108884B2 - Improvements in and relating to skis : en
  • AU351638A - Improvements in and relating tothe ventilation of buildings : en
  • CH207415A - Device for treating the external skin of humans and pets. : de en
  • ES144420A1 - Apparatus for obtaining carbon sulphide. : en es
  • FR848408A - Process for the production of cementitious, fibrous or similar materials : en fr
  • US2177778A - Time-operated coin-controlled signal apparatus : en
  • US2178264A - Work holder with layout and checking device : en
  • US2178214A - Grand piano casing construction : en
  • USD117394S - Design for a casing for suction : en
  • DE683253C - Rinsing spout with two basins, the drains of which are connected by a drainage bridge that can be screwed to the bottom of the basin : de en
  • DE683360C - Process for the molten coating of metals with aluminum : de en
  • GB514146A - Improvements in contact eyeglasses : en
  • CH207321A - Core intended to be inflated to mold hollow concrete objects. : en fr
  • US2177669A - Running gear correcting apparatus : en
  • US2178126A - Alkali metal bismuth saccharate solution : en
  • DE683230C - Cooking hood : de en
  • CH207345A - Process for the production of a sulfur dye. : de en
  • US2177959A - Brake mechanism : en
  • US2178127A - Center bar for heddle frames : en
  • US2178497A - Governor apparatus : en
  • US2178535A - Method and apparatus for making brick-faced concrete walls : en
  • US2178242A - Web feeding apparatus : en
  • US2178329A - Manufacture of low boiling hydrocarbon oils : en
  • US2178301A - Hackle for artificial fishing fly and method of making same : en
  • CH207331A - Cladding for bathtubs. : de en
  • CH207397A - Arrangement for generating an alternating current from a direct voltage by periodically changing the capacitance between the capacitance surfaces of the rotor and the stator of a rotating machine. : de en
  • US2177777A - Method of splicing strands into braided line : en
  • US2177834A - Automatic gasoline station : en
  • US2177963A - Fire extinguishing apparatus : en
  • US2178292A - Electric welding tongs : en
  • US2178489A - Burglar alarm : en
  • DE683136C - Direction indicators for bicycles and motorcycles : de en
  • CH207425A - Switching arrangement for receiving devices in wireless communications technology. : de en
  • CH207447A - Process for preparing a macrocyclic lactone. : en fr
  • FR848577A - Colored plastics and manufacturing process for these materials : en fr
  • GB514155A - Improvements in or relating to television receivers : en
  • DE683343C - Procedure for clearing stumps : de en
  • GB514266A - A new or improved matrix drying machine : en
  • DK56874C - Bicycle support. : da en
  • US2178377A - Loom selvage apparatus : en
  • GB514263A - Improvements in and relating to electric motor control systems : en
  • FR848539A - Aircraft wheel braking device : en fr
  • FR848612A - Improvements to magnetic compasses : en fr
  • FR848685A - Advanced automotive suspension : en fr
  • AU192339A - Improvements in or relating to thermal control devices : en
  • US2178354A - Stapling machine : en
  • GB514241A - Improvements in or relating to the stabilization of glyceride oils or of organic materials consisting largely of glyceride oil : en
  • FR848648A - Non-slip pad applicable to shoes of all kinds : en fr
  • FR848470A - Guide and sealing device for piston rods : en fr
  • DE683372C - Guide device, which is arranged on the ceiling of a cold room working with gravity air circulation : de en
  • FR848696A - Continuously Automatic Variable Torque Transformer : en fr
  • US2177662A - Gear-shifting mechanism : en
  • US2177701A - Fluorescent screen : en
  • US2177774A - Circuit breaker : en
  • US2178187A - Grommet securing tool : en
  • US2178257A - Drafting appliance : en
  • AU108858B2 - An improved device usable witha map or chart in aerial navigation : en
  • AU461738A - An improved drag saw : en
  • CH207364A - Mounted firearm with advance firing. : de en
  • AU163738A - An improved hay press : en
  • US2177934A - Vehicle suspension system : en
  • US2178067A - Sample card : en
  • ES144482A1 - Procedure for obtaining condensation products. : en es
  • CH207437A - Support device for stationary bicycle. : en fr
  • CH207432A - Plug-in studs. : de en
  • GR8574B - SPECIAL HANDLE OF SEMI-CROSS STEERING BACKLINE BICYCLE. : el en
  • DE683265C - Push rod for horizontal chamber furnaces : de en
  • DE683378C - Electric drive with several commutatorless converter motors for alternating current supply running in exact or approximate synchronism : de en
  • CA384873A - Glass building block : en fr
  • US2178048A - Garment hanger : en
  • AU108831B2 - Improvements relating to spring closing devices and check mechanism for doors : en
  • CH207455A - Electric lamp. : de en
  • US2177953A - Brake mechanism : en
  • USD117428S - Design fob a belt : en
  • US2178089A - System of remote control : en
  • ES144308A3 - An apparatus for automatically balancing the load on wheels fitted with multiple or notably wide rims. : en es
  • CA384835A - Aeroplane instrument indicating device : en fr
  • CA384882A - Cooling apparatus : en fr
  • US2177649A - Valve : en
  • US2177851A - Coating material spray device : en
  • US2178384A - Boring tool : en
  • CA384834A - Potato sprouter and bagger : en fr
  • US2177980A - Water circulation thermostat : en
  • US2178073A - Hydraulic steering gear : en
  • DE683227C - Suspension for tensioning the strap or straps of the bottom of a mattress : de en
  • DE683357C - Fast evaporator : de en
  • GB514083A - Improvements in machines for bending metal rods, bars or sections : en
  • AU454538A - Improvements in or relating to electric cooking ovens : en
  • US2177726A - Fastening device : en
  • AU465038A - Means for retaining shirt cuffs in correct dress relationship to coat sleeves : en
  • CH207407A - Device for current or voltage-dependent regulation of grid-controlled rectifiers. : de en
  • CH207408A - Arrangement to avoid voltage jumps when regulating the voltage of converters. : de en
  • DE683100C - Method for producing television images with reduced flicker effect : de en
  • US2177958A - Brake mechanism : en
  • AU108837B2 - Improvements in or relating to electric cooking ovens : en
  • CH207320A - Device for regulating the amount of gas flowing into a burner for water heaters. : de en
  • DE683305C - Device for measuring the depth of cut in bucket wheel excavators : de en
  • US2178215A - Electroacoustical apparatus : en
  • US2178265A - Hydraulic shovel dredge : en
  • AU469138A - Improvements in or relating to electric condensers : en
  • CA384868A - Refrigerating apparatus : en fr
  • AU9239A - Improvements in process of treating cellular matter : en
  • AU108866B2 - Improvements inthe manufacture of foam-generating substances : en
  • CH207319A - Installation on gas-heated liquid heaters. : de en
  • US2178447A - Laminated structural materials : en
  • US2178432A - Method of and apparatus for producing a variable alternating current : en
  • US2178459A - Card index : en
  • US2178025A - Composite shoe : en
  • US2178140A - Preserve jar : en
  • US2178147A - Anchorage for multiple strand cables : en
  • ES144349A1 - A compensator chain with correction links. : en es
  • US2178361A - Combined camera and exposure meter : en
  • US2178396A - Apparatus for feeding materials : en
  • US2178244A - Optical system for sound reproducers : en
  • CA384896A - Woven fabric : en fr
  • FI18626A - Anordning vid brokranar : en fi
  • ES142843A1 - A mechanism for the progressive change of speed. : en es
  • GB514252A - Improvements in and relating to bearings for spindles : en
  • US2178253A - Window ventilator : en
  • ES144409A3 - Procedure for the manufacture of waterproofed cardboard buttons. : en es
  • FR848587A - Improvements to multiplex transmission methods on very high frequency lines, with the same frequencies : en fr
  • GB514106A - Improvements in or relating to muffle furnaces : en
  • CA384831A - Candle support : en fr
  • US2177914A - Sample holder : en
  • DE683151C - Countercurrent sprinkler condenser for compression refrigeration machines : de en
  • US2177853A - Composition of matter and method of making the same : en
  • US2177929A - Drafting frame : en
  • US2178116A - Apparatus for tank gauging : en
  • CH207409A - Ion discharge tube with arc-like discharge for rectifying high alternating voltages. : de en
  • DE683384C - Closure for metal container for storing and dispensing volatile liquids : de en
  • DE683094C - Spin dryer, especially for drying laundry or the like. : de en
  • US2178344A - Photographic camera : en
  • DE683137C - Frame for motorcycles : de en
  • FR848531A - Film printing process : en fr
  • DE680885C - Wooden skirting board with air passages : de en
  • US2177940A - Abrasive article : en
  • US2177969A - Vacuum cleaner : en
  • USD117398S - Design fob a handbag : en
  • US2178399A - Variable speed transmission : en
  • FR848653A - Process for preparing condensation products containing nitrogen : en fr
  • FR848623A - Improvements in the manufacture of combustible briquettes : en fr
  • FR848424A - Electronic tube oscillator : en fr
  • DE683325C - Three-pole shift drum for a four-stroke pole changer : de en
  • DE683306C - Production of conveyor belts : de en
  • ES144361A1 - A method of construction of a block of wood intended for the manufacture of aerial helices. : en es
  • FR848401A - Foam float device : en fr
  • ES144358A1 - A splinting device for the transport and rest of injured arms and legs. : en es
  • US2177798A - Airfoil used in aeronautics : en
  • DE683266C - Schwelgefaess for Schweloefen : de en
  • US2178387A - Antifreezing support for ice trays : en
  • DE683126C - Camera with coupled rangefinder : de en
  • DE683152C - Device for introducing humidifying water into cooling rooms : de en
  • DE683328C - Screw base and socket for tubes and switching elements in communications engineering : de en
  • GB514159A - Improvements in sensitized photographic emulsions : en
  • US2177975A - Butcher knife : en
  • DE683174C - Method and machine for producing hems : de en
  • DE683206C - Process for the production of anhydrous and electrolyte-free sulphonation products : de en
  • DE683358C - Process for heating Siemens-Martin or similar ovens : de en
  • ES144316A3 - Procedure for the manufacture of filters for aerosols (in Italian "aerosoli") based on paper, cardboard, felts and similar materials with a fibrous structure. : en es
  • DE683361C - Filler material for welding corrosion-resistant, titanium-containing chromium or chromium-nickel steels : de en
  • FR848602A - Improvements in the preparation of gases containing acetylene : en fr
  • GB514213A - Improvements in or relating to wireless receiving apparatus : en
  • USRE21253E - Undergarment : en
  • GB514216A - Improvements relating to sealed bag or package formations and method and apparatus for making same : en
  • FR848517A - : fr
  • GB514261A - Improvements in means for controlling patterning and other operations of knitting machines : en
  • US2178100A - Refrigerating condensing unit : en
  • US2177783A - Splitting machine : en
  • US2177903A - Organic esters of cellulose and method of making the same : en
  • US2178081A - Thin insulating film : en
  • US2177721A - Wall scraper : en
  • US2178471A - Device for oscillographing : en
  • GB514166A - Improvements relating to sample takers : en
  • GB514264A - Improvements in and relating to electric lamps and the like : en
  • ES144453A1 - A device for electric heating of the tanks of stretching of the sheet glass. : en es
  • US2178433A - Method of and apparatus for generating alternating current : en
  • AU112639A - Improvements relating to double-rope grab buckets : en
  • CH207402A - Arrangement for changing the self-induction of coils. : de en
  • CA384917A - Railway truck spring : en fr
  • BE436445A - : en
  • US2177819A - Dry electrolytic condenser : en
  • US2178052A - Disk harrow construction : en
  • US2178417A - Attachment plug : en
  • GR8565B - BREATHING PROTECTIVE FILTER. : el en
  • GB514047A - Improvements in and relating to processes for manufacturing insulated products in the form of powder : en
  • FR848523A - Stabilization of glyceride, essential, hydrocarbon oils, compounds of the same and organic matter against deterioration by oxidation : en fr
  • GB514192A - Improvements in or relating to brakes for vehicles : en
  • US2177765A - Lasting machine : en
  • FR848597A - Improvements in the preparation of double fluorides of alkali metals and aluminum : en fr
  • GB514164A - Improvements in or relating to bottles, cans and like receptacles : en
  • US2177818A - Filling machine : en
  • US2178338A - Production of gelatin printing reliefs : en
  • FR848480A - Iron to massage the face : en fr
  • GB514220A - Improvements in or relating to the manufacture of threading-tips for boot and shoe laces : en
  • GB514174A - Improvements in or relating to magneto generators : en
  • GB514253A - Improved process of and apparatus for the manufacture of cast iron : en
  • USD117377S - Design for a refrigerator cabinet : en
  • US2177659A - Method for improving thermoplastic sheeting : en
  • US2178345A - Doughnut filling machine : en
  • AU412338A - A method for obtaining tempered glass sheets : en
  • DE683124C - Pipe ball joint for thin-walled pipes : de en
  • US2177644A - Drill sharpener : en
  • US2177936A - Track shoe : en
  • US2177632A - Production of colored pictures : en
  • US2178151A - Relay contact spring : en
  • US2178005A - Windshield cleaning device : en
  • FR848460A - Improvements in lighting lanterns : en fr
  • CH207384A - Drive on milling machines for milling in synchronism and in counter rotation. : de en
  • GR8570B - BYZANTINE ECONOMIC FIRE (MANGALI). : el en
  • US2177996A - Lock : en
  • US2178484A - Connecting rod and piston assembly : en
  • AU108874B2 - Improvements in or relating to electrical remote control systems : en
  • FR848631A - Process of catalysis of combustion of fuels : en fr
  • US2177702A - High-pressure metal vapor electric discharge lamp : en
  • US2178070A - Inking mechanism : en
  • US2178409A - Centrifugal separator : en
  • US2177923A - Improved mineral oil composition : en
  • US2177933A - Box : en
  • US2178225A - Method of and apparatus for calibrating piezoelectric elements : en
  • US2177773A - Method and apparatus for wrapping prints of butter or the like : en
  • US2177990A - Container closure applying machine : en
  • US2178108A - Differential galvanometer : en
  • DE683255C - Circuit arrangement for telephone systems, especially for private branch exchanges : de en
  • AU108855B2 - A method for obtaining tempered glass sheets : en
  • AU252939A - Improvements in or relating to carpet sweepers : en
  • US2178128A - Antisnoring device : en
  • DE683273C - Pole-changing three-phase winding : de en
  • FR848473A - Process for the production of anhydrous and oxide-free beryllium fluoride : en fr
  • AU108885B2 - Concrete wall form : en
  • DE683216C - Rotary field motor with asynchronous starting and synchronous running : de en
  • FR848580A - Device for adjusting the lighting circuits of stages and similar installations : en fr
  • US2177685A - Composition of matter : en
  • US2177742A - Braiding machine : en
  • US2178239A - Flotation : en
  • US2178295A - Slug ejecting mechanism for typographical slug casting machines : en
  • US2178512A - Electric iron and dampener : en
  • US2177938A - Switch : en
  • US2177864A - Semicarrier land leveler : en
  • US2177964A - Synchronizing clutch mechanism : en
  • US2178095A - Means for equalizing the flow in heat exchange : en
  • US2178174A - Derivatives of alkylolamines : en
  • DE683280C - Device for the production of iodine or the like by electrolysis in the root canal to sterilize the root canal of a tooth : de en
  • US2177981A - Weaving frame : en
  • CA384903A - Anti-knock fuel production : en fr
  • FR848455A - Improvements to silencers for internal combustion engines : en fr
  • US2178056A - Electron discharge tube : en
  • USD117367S - Design for a hamper or similar : en
  • CH207434A - Box. : en fr
  • US2178038A - Rimless spectacle mounting : en
  • US2178443A - Mechanical movement : en
  • DE683282C - Permanent mold for casting hollow bodies, e.g. B. Cast grenades : de en
  • US2177707A - Method of making elemental sulphur from ores and gaes containing sulphur : en
  • US2177905A - Holder for thin material : en
  • US2177952A - Transmission : en
  • US2178141A - Method for straightening oil-well casings or the like : en
  • US2178408A - Electric welding apparatus : en
  • US2178486A - Device for signaling the presence of illuminating gas in inhabited premises : en
  • US2178334A - Water dispersing zinc sulphide pigment : en
  • GR8566B - INTRODUCTION DEVICE ADDITIONAL AIR BY RESPIRATORY DEVICE ADJUSTABLE UNDER THE RESPIRATORY MOVEMENTS OF THE LUNGS, SAME BY BREATHING. : el en
  • US2177723A - Electrical segregation circuit : en
  • US2177859A - Reinforced concrete tank : en
  • CH207451A - Process for the preparation of a condensation product. : de en
  • ES144300A1 - A new plow with false mold and protective screed. : en es
  • FR848636A - Installation of a branching crane combined with suspended tracks with twin raceways and capable of being traversed by trolleys in any direction : en fr
  • US2177802A - Switch point lock : en
  • US2178055A - Jewelry : en
  • CA384860A - Electric meter mounting : en fr
  • CH207450A - Process for the preparation of a condensation product. : de en
  • ES142913A1 - Centrifuge of continuous and automatic work to extract the oil from the olive dough. : en es
  • US2178381A - Abrading device : en
  • US2178318A - Slug casting machine : en
  • US2178509A - Shovel : en
  • CH207355A - Device for the artificial drying of photo papers to form matt and glossy pictures. : de en
  • US2177715A - Roller sign mechanism : en
  • US2177728A - Gaseous electric discharge device : en
  • US2177874A - Can pouring spout : en
  • GB514110A - Improvements in combined electric fuses and switches : en
  • CA384870A - Vinyl resin clarification : en fr
  • GB514229A - A device for feeding dust fuel to the ante-chamber of an internal combustion engine using dust fuel : en
  • CA384888A - Fastening means : en fr
  • DE683258C - Process for the production of overlaid glasses with a silky sheen : de en
  • FR848561A - Improvements to cathode ray tubes image explorers : en fr
  • FR848589A - Method and device for cutting tubes of all kinds : en fr
  • US2177667A - Method of maintaining the viscosity of cellulose esters uniform : en
  • US2177803A - Agricultural machine : en
  • AU252839A - Improvements in and relating tothe manufacture of upholstery mattresses andthe like : en
  • CA384871A - 4-methyl uracil and homologues : en fr
  • USD117405S - Design for a game board : en
  • CA384838A - Firearm : en fr
  • US2177770A - Photographic camera : en
  • US2178065A - Remote control device for ranges : en
  • US2178260A - Automatic phonograph : en
  • USD117437S - Design for a display container for : en
  • GB514086A - Improvements relating to automatic sprinkler heads and similar fluid-discharge devices : en
  • BE436359A - : en
  • FR848444A - Improvements to removable wheels and rims for vehicles, and to the process for manufacturing these wheels and rims : en fr
  • US2177687A - Electric generator unit : en
  • US2177800A - Nut lock : en
  • US2178330A - Game and game-board apparatus : en
  • USD117410S - Design for a textile fabric or sim : en
  • DE683239C - Device for the production of building bodies with a curved outline : de en
  • DE683264C - Deflection device on the support belts for zigzag fabric, paper or cellulose webs, especially in dryers : de en
  • GB514041A - Improvements relating to protective covers and radio shields for sparking plugs and the electrical connections thereto : en
  • US2178011A - Circuits for discharge tubes : en
  • US2177706A - Apparatus for processing motion picture film : en
  • ES144371A1 - A system of friction wheels. : en es
  • US2177717A - Reflector : en
  • ES144391A1 - A DEVICE TO TURN ON AND EVENTUALLY ALSO REMOTE OFF CANDLES, OIL LAMPS AND SIMILAR : en es
  • US2178468A - Foldable baby bathing and dressing stand : en
  • US2178033A - Air conditioning apparatus for motor vehicles : en
  • CA384869A - Resin production : en fr
  • GB514203A - Process for the introduction of the thiocyano group into organic compounds : en
  • AU108834B2 - Improvements in and relating to machines for filling receptacles with liquids : en
  • US2178001A - Selective vending machine : en
  • GB514108A - Improvements in high-speed spindles and their bearings : en
  • FR848536A - Indicating device for cash registers or similar machines : en fr
  • US2178202A - Bracket : en
  • GB514182A - Improvements in and relating to the production of dextrose hydrate : en
  • FR848493A - Electric warming tray : en fr
  • GB514191A - Process and apparatus for extracting cellulose from wood or other cellulosic material : en
  • DE683336C - Beam or beam ceiling with light insulating insert bodies : de en
  • DE683342C - Adding machine : de en
  • DE683153C - Process for the production of compressed gas : de en
  • FR848611A - Improvements to a process for concentrating barite from its ores : en fr
  • FR848646A - Transmission belts and method for their manufacture : en fr
  • GB514188A - Improvements in the manufacture of colouring matters : en
  • FR848566A - Centrifugal governor applicable to internal combustion compression ignition engines : en fr
  • ES144357A1 - Automatic pistol with slippery barrel and mobile lockable bolt. : en es
  • US2177645A - Moistureproof coated sheet : en
  • US2177901A - Davit for lifeboats : en
  • US2178049A - Electrical heating apparatus of the storage type : en
  • US2178153A - Curtain stretcher : en
  • US2178514A - Lubricating composition : en
  • USD117388S - Design fob a surface coating spread : en
  • FR848643A - Improvements in the application of low temperature coal-fired distillation of steam generators : en fr
  • ES144306A1 - A method and apparatus for drawing rubber and similar plastics. : en es
  • ES144405A1 - A process for separating fibers from cellulosic materials by treatment with halogen hydrogen. : en es
  • US2177947A - Display device : en
  • GR8567B - Filtration device OWN FILM FOR SPACES. : el en
  • ES144418A1 - Improvements in ring and cylinder presses. : en es
  • FR848467A - Rubber vulcanization method and device : en fr
  • GB514092A - Cramp for timber connection for building and erection purposes : en
  • GB514051A - Improvements in means for locking retractable undercarriages for aircraft : en
  • DE683303C - Gang saw for stone processing : de en
  • FR848512A - Adjustment device controlled by variations in the level of a liquid : en fr
  • GB514077A - Improvements in or relating to a process of concentrating barite from its ores : en
  • GB514282A - Improvements in device for cleaning windscreens : en
  • FR848639A - Improvements to drills : en fr
  • FR848690A - Air handling unit : en fr
  • FR848604A - Process for preparing condensation products : en fr
  • FR848616A - Hygienic sanitary device avoiding infections and soiling : en fr
  • US2178490A - Sealed fluid-actuated device : en
  • DE683246C - Anti-glare device for motor vehicles : de en
  • DE683103C - High resistance : de en
  • FI18629A - Double-headed fence, with a single diameter of the genomic sheath of the genomic species : en fi
  • FR848610A - Improvements to insulated electrical conductors : en fr
  • FR848665A - Arc furnace : en fr
  • CA384894A - Brake lever : en fr
  • DE683093C - Insert for laundry kettle : de en
  • FR848538A - Ball distributor : en fr
  • FR848608A - Improvements to material feed mechanisms : en fr
  • FR848664A - Bicycle carrier consisting of a unit with one or more grooves : en fr
  • GB514101A - Improvements in mechanism for causing intermittent film movement : en
  • DE683330C - Process for the production of metal compounds used as photoelectrically sensitive organ in barrier cells : de en
  • GB514149A - Manufacture of anhydrous aluminium sulphate : en
  • GB514233A - Improvements in artificial bridge teeth : en
  • DE683158C - Roller switch : de en
  • US2177816A - Insulator clevis : en
  • US2178249A - Hitch device : en
  • DE683185C - Sealing for compressed air systems : de en
  • GB514061A - Improvements in and relating to the production of chlorophyll : en
  • DE683122C - Resilient, resilient shaft coupling with an annular intermediate link made of rubber with an arcuate cross-section : de en
  • DE683341C - Method and device for the production of polarization filters : de en
  • US2178022A - Metal and other grinding or cutting machine : en
  • US2178499A - Collapsible package : en
  • USD117414S - Design fob a dress : en
  • DE683267C - Heating element for evaporator or cooker : de en
  • CA384904A - Carburetted water gas production : en fr
  • GB514178A - Improvements in or relating to automatic switches for use in telephone or like systems : en
  • DE683162C - Electric lamp with impact radiation : de en
  • US2178149A - Bearing combination : en
  • DK56877C - Nozzle for Footwear Adhesives. : da en
  • GB514215A - Improvements in or relating to neck-ties : en
  • DE683218C - Double-socketed, double-walled electric tube lamp : de en
  • US2177799A - Motion transmitting apparatus : en
  • US2177880A - Refrigeration : en
  • USD117378S - Design fob a fish lure : en
  • DK56880C - Procedure and Facilities for Softening Boiler Feed Water. : da en
  • GB514177A - Improvements in or relating to driving mechanism for the production of rotational movements limited to predetermined angles of revolution or continuous rotational movements, in particular for cinematograph apparatus : en
  • FR848526A - New attachment methods for protective masks or similar devices : en fr
  • FR848549A - Improvements to continuous apparatus for the manufacture of superphosphate and similar products : en fr
  • ES144480A1 - Process for obtaining ribbons of fibers, yarn and the like, made of crystalline filaments and other fibers. : en es
  • FR848605A - Process for preparing 2-methyl-butanediol-1, 3 : en fr
  • GB514068A - Improvements in machines for filling and otherwise preparing envelopes for post : en
  • GB514104A - Improvements in retractive electric switches : en
  • US2177821A - Die spotting press : en
  • US2177797A - Electric plug : en
  • US2178248A - Folding table : en
  • US2177939A - Juice extracting device : en
  • US2178032A - Forging machine : en
  • FR848502A - Mobile toy with device producing acoustic signals : en fr
  • USD117392S - Design foe a lip bkush : en
  • US2178188A - Container : en
  • US2178303A - Marine railway : en
  • USD117383S - Design for a footwear insole : en
  • USD117433S - Design for combined flares : en
  • US2178374A - Cathode ray image scanner with magnetic deflection of scanning ray : en
  • US2178521A - Process of producing compounds of the perylene series : en
  • USD117360S - Design foe an embroidered textile : en
  • US2177785A - Finishing edges of leather pieces : en
  • CH207323A - Process for the production of acid-proof mortar. : de en
  • DE683346C - Process for etching chrome-plated metallic objects : de en
  • US2177733A - Method of heating : en
  • DE683381C - Electric, liquid-cooled high pressure metal vapor discharge lamp : de en
  • AU108893B2 - An improved method of charging internal combustion engines : en
  • US2178506A - Method of recovering pyridine in the solvent refining of oils : en
  • AU562638A - Steam raising attachment for vertical flue water heaters : en
  • US2178450A - Developing photographic films and plates : en
  • US2177872A - Power transmission : en
  • US2178231A - Guider for cloth : en
  • DE683119C - Photometer for investigating the afterglow of fluorescent materials : de en
  • US2178046A - Drafting machine : en
  • CH207381A - Procedure for cleaning clockworks. : de en
  • AU108836B2 - Improvements in and relating tothe ventilation of buildings : en
  • AU108882B2 - Improvements relating to book covers : en
  • AU186939A - Lightning arresters : en
  • CA384883A - Gear teeth and screw thread surface hardening apparatus : en fr
  • AU108857B2 - Musical chime : en
  • DK56865C - Wheatstone Bridge for Measurement of Admittance Disorders. : da en
  • FR848607A - Method and device for the pretreatment of gas to be purified electrically : en fr
  • FR848692A - Improvement in clasps for watch straps and the like : en fr
  • FR848469A - Elastic coupling : en fr
  • FR848694A - Production of ammonia and compound ammonia using gasifier gases and the like : en fr
  • US2177887A - Apparatus for shielding a body from fluid currents : en
  • US2178446A - Electric clock : en
  • ES144455A1 - Improvements in the electrodes. : en es
  • AU108892B2 - Improvements intime bases for cathode ray tubes : en
  • CH207311A - Cultivation procedure of grasses. : en it
  • CH207413A - Mixed light lamp. : de en
  • ES144381A1 - Procedure for the preparation of high purity cellulose for rayon and explosives (nitrocellulose), from stems and leaves of annual plants, in particular stems and leaves of common cane (arundo donax) and agricultural waste. : en es
  • DE683195C - United driving and safety brake : de en
  • GB514140A - Improvements in vacuum cleaners : en
  • DE683157C - Process for the production of telecommunication cables with a watertight jacket made of lead or another non-swellable or little swellable material, applied by a pipe or hose press, the insulation of which is made of rubber or rubber-like insulation swollen with a liquid insulating agent : de en
  • DE683104C - Control device for DC motors with an interrupter switch controlled as a function of the speed : de en
  • US2177768A - Stencil sheet : en
  • US2177891A - Luminescent tube : en
  • ES144346A1 - Guillotine stained glass with tensioners. : en es
  • FR848682A - Upholstery improvements : en fr
  • FR848409A - Device intended to be applied to headlights : en fr
  • GB514150A - Improvements in valves of the plug type : en
  • GB514236A - Improvements in gas purifying by filtering : en
  • US2178305A - Winch : en
  • USD117432S - Design for a dress : en
  • DE683222C - Tent sheet made of fabrics treated with polymers of unsaturated hydrocarbons or their derivatives : de en
  • GB514057A - Improvements in and relating to closed fluid pressure tanks more particularly gas holders : en
  • US2178463A - Air filter : en
  • DE683318C - Process for the production of condensation products with a tanning effect : de en
  • GB514087A - Improvements in or relating to electric motors : en
  • DE683131C - Prodection lamp housings, especially for cinema playback devices : de en
  • ES144478A1 - Process for the continuous polymerization of vinyl compounds. : en es
  • FR848509A - Process for the treatment of halogenated organic compounds : en fr
  • FR848625A - Inking device for aniline color printing machines : en fr
  • ES144378A1 - A percussion device. : en es
  • DE682489C - Metal sprayer : de en
  • FR848697A - Ink : en fr
  • DE683369C - Process for the production of cellulose derivatives : de en
  • DK56858C - Ignition mechanism by Liquid Fuel Gasification Burners. : da en
  • GB514219A - Improvements in signs or advertising devices for shop blinds : en
  • US2178216A - Electroacoustical apparatus : en
  • AU312438A - Improvement in amplifier systems : en
  • CA384863A - Electric motor starting method : en fr
  • FR848461A - Device to facilitate the fitting, in the correct optical position, of spectacle lenses in their frames : en fr
  • FR848506A - Fuse conductor : en fr
  • FR848600A - Device for extracting gases, in particular atmospheric air, from the ground : en fr
  • ES144417A1 - Device in ring and cylinder presses. : en es
  • FR848592A - Extraction press for tubes and solid parts : en fr
  • FR848619A - Lighter with fuel tank pivoting laterally : en fr
  • DE683090C - Measuring device for tailoring : de en
  • GB514176A - Improvements in methods of and apparatus for securing fastening members of sliding clasp fasteners to their carriers : en
  • DE683142C - Arc welding transformer with adjustable magnetic shunt : de en
  • US2177927A - Welded metallic body and method of making same : en
  • US2178113A - Holder for towels and other articles : en
  • US2178130A - Tool spindle for engraving and copying machines : en
  • US2178430A - Flash lamp : en
  • FR848423A - Infantry machine gun aiming device : en fr
  • DE683290C - Feed and support device for lathes and related machines for processing rod-shaped material : de en
  • US2178456A - Method and apparatus for separating materials : en
  • US2178419A - Method and apparatus for coating vitreous tubes : en
  • FR848615A - Orthopedic device : en fr
  • FR848419A - Electrical safety switch for vehicles : en fr
  • FR848534A - Roll-up shutters improvements : en fr
  • FR848550A - Electric discharge tube : en fr
  • US2177913A - Vehicle brake : en
  • GB514130A - Improvements in or relating to machines for washing bottles or similar containers : en
  • USD117369S - Design fob a ring : en
  • USD117415S - Design for a boat : en
  • USD117391S - Design fob a smoking pipe : en
  • FR848693A - Bag filter refinements : en fr
  • FR848691A - Method and means for delimiting, without solid walls, confined areas in an atmosphere field : en fr
  • US2177991A - Automobile frame and structural member : en
  • US2178120A - Fishing reel : en
  • US2178391A - Staple machine : en
  • US2177634A - Floor covering and method : en
  • US2177892A - Seat : en
  • US2177937A - Water circulation thermostat : en
  • USD117349S - Design fob a combined desk and safe : en
  • US2177983A - Phosphate esters : en
  • US2178235A - Method of producing dustless starch grits : en
  • GB514120A - Improvements in or relating to pumps : en
  • US2178118A - Method of producing bleed line by diffusion of light : en
  • AU566238A - Improved variable speed power transmission gearing : en
  • US2178138A - Vertical extension for vehicle bumpers : en
  • US2178287A - Railway track circuit apparatus : en
  • DE683257C - Method of eliminating leakage water that has entered underwater electric motors : de en
  • FR848525A - Improvements to protective masks against gases and other harmful products : en fr
  • US2178293A - Measuring device : en
  • US2177646A - Method of and machine for abstracting and preparing fibers : en
  • AU458938A - Electrically operated volumetric weighing apparatus for granular materials : en
  • GB514088A - Improvements in or relating to picture projectors for home purposes : en
  • GB514143A - Improvements in liquid clarification apparatus : en
  • GB514111A - Improvements in loose-leaf books and binders : en
  • FR848675A - Method of producing subtractive images in several colors : en fr
  • US2178461A - Machine for crushing cans : en
  • US2177671A - Thermal switch and the like : en
  • US2178145A - Motion picture camera : en
  • FR848436A - Filter cap : en fr
  • FR848676A - Process for treating copper-based alloys : en fr
  • AU108875B2 - Improvements in or relating to altimeters, depth and like distance measuring apparatus : en
  • DE683138C - Last carrier, especially for call waiting machines : de en
  • FR848535A - Process for preparing n-substituted amino derivatives : en fr
  • US2177697A - Float for use on fishing lines : en
  • CH207448A - Process for the preparation of a condensation product. : de en
  • GB514209A - Improvements in or relating to cooling devices in aircraft : en
  • DE683155C - Tabletop coin-operated telephone with electrical payment : de en
  • AU108883B2 - Lightning arresters : en
  • US2177811A - Annealing box cover : en
  • US2178161A - Strainer cleaner : en
  • US2178353A - High molecular weight tetravalent sulphur compounds and process for their production : en
  • ES144414A1 - A standardized interchange ring for removable tires. : en es
  • US2178191A - Apparatus for orienting boreholes : en
  • FR848579A - Installation for synchronous triggering of operations, in particular switching operations : en fr
  • CH207424A - Device for changing the damping of a tuned oscillation circuit without influencing the tuning. : de en
  • GB514243A - Improvements in or relating to the manufacture of mineral wool : en
  • US2178258A - Rear-view mirror mounting : en
  • US2177868A - Welded joint : en
  • US2178402A - Method of providing an ornamental coating to a surface : en
  • US2177683A - Tuner : en
  • CH207445A - Process for preparing a macrocyclic lactone. : en fr
  • US2177820A - Boring chuck : en
  • FR848514A - Process for the preparation of potassium permanganate by electrolytic means : en fr
  • FR848621A - Process for heating solid, liquid or gaseous bodies : en fr
  • FR848658A - Further training provided in the establishment of fuel injectors for the launch of explosion or combustion engines : en fr
  • GB514085A - Improvements in dart flights : en
  • GB514107A - Portable pneumatic appliance for vibratory massage : en
  • FR848422A - Improvements to thin-walled containers, such as glass beakers, and the like : en fr
  • GB514056A - Improvements in or relating to the manufacture of acetals : en
  • GR8563B - LIGHTING MISSION. : el en
  • US2178104A - Apparatus for handling thread or the like : en
  • DE683147C - Electric mirror light with multiple light sources : de en
  • DE683219C - Electric metal vapor discharge lamp with vaporizable metal bottom body : de en
  • ES144426A3 - A continuous manufacturing process of hypochlorous acid solution, from limestone and chlorine. : en es
  • GB514272A - Improvements relating to goggles, sun glasses, and like protective devices : en
  • US2177976A - Motor : en
  • US2177734A - Method of refining petroleum oil in propane solution : en
  • US2178405A - Blower : en
  • AU251739A - Improvements in and relating to skis : en
  • DE683329C - Dosimeter for X-rays : de en
  • ES144338A1 - A procedure for the regeneration and purification of mineral, animal and vegetable oils. : en es
  • AU108879B2 - Improvements in and relating tothe treatment of gas forthe separation therefrom of suspended particles of solid or liquid material : en
  • CA384889A - Wire spooling or reeling machine : en fr
  • US2178101A - Wheel balancing apparatus : en
  • US2178205A - Punch press control : en
  • US2178299A - Conductor line for ultra-short electromagnetic waves : en
  • US2177708A - Film processing apparatus : en
  • US2177998A - Baby support for bathtubs : en
  • US2178278A - Meter bar : en
  • CH207411A - Emergency lamp, in particular air protection lamp. : de en
  • US2178086A - Method for the manufacture of footwear : en
  • US2178106A - Calk device : en
  • DE683291C - Additional device for sewing machines with an interchangeable shifting tool that acts on the fabric : de en
  • AU108871B2 - Improvements in mattresses, cushions, pads and the like in connection with furniture and other upholstery : en
  • CH207367A - Radio directional device. : de en
  • CH207337A - Stiffening device on soft or semi-soft collar. : de en
  • US2177993A - Receptacle and carrier therefor : en
  • USD117399S - Design fob a toy : en
  • US2177944A - Cross weaving : en
  • US2178435A - Dice board : en
  • US2178496A - Process for the production of highly concentrated hydrogen peroxide solutions : en
  • ES144404A1 - Improvements in the manufacture of bricks, slabs, blocks, tiles and similar. : en es
  • GB514290A - Improvements relating to calculating machines : en
  • CH207433A - Box. : en fr
  • DE683184C - Vertical chain conveyor : de en
  • US2178107A - Athletic shoe : en
  • USD117374S - Design fob a plate ob simtlab : en
  • ES144370A3 - Beds or stretchers with hermetically closed breathing chamber. : en es
  • FR848542A - Secondary amplifier with rebound grilles : en fr
  • CH207316A - Procedure for the repair of worn steps and a step repaired using this procedure. : de en
  • DE683211C - Auto switch : de en
  • ES144354A2 - IMPROVEMENTS IN THE OBJECT OF PATENT NUMBER 137593 : en es
  • DE683125C - Prototype holder : de en
  • DE683143C - Transformer arrangement for electric arc welding for connection to two phases of a three-phase network : de en
  • US2177648A - Train brake control mechanism : en
  • US2177741A - Ore car : en
  • US2178066A - Flexible remote control coupling : en
  • US2178480A - Needle guard for sewing machines : en
  • GB514169A - Improvements in or relating to the manufacture of persulphuric acid and its salts byelectrolysis : en
  • CH207333A - Bottle. : en fr
  • CH207456A - Instrument for sterilizing tooth root canals, etc. : de en
  • US2178159A - Safety switch : en
  • US2178271A - Concealed hinge : en
  • US2178286A - Pipe joint clamp : en
  • DE683178C - Nozzle device on windbreak walls for vehicles of all types : de en
  • FR848413A - Television or switching system using a cathode ray tube : en fr
  • FR848474A - Improvements to devices for mounting reels of paper or other strip materials : en fr
  • GR8557B - PHOTOVOLOG COLUMN OF NON-DAMAGING LIGHT FOR DARKING AND DECORATION. : el en
  • CA384855A - Windshield wiper mechanism : en fr
  • GB514132A - Improvements in or relating to seaplanes : en
  • US2177962A - Brake mechanism : en
  • US2178036A - Autographic register : en
  • CA384884A - Non-ferrous hardening alloy : en fr
  • AU108856B2 - Improved incinerator : en
  • AU108854B2 - Improvement in amplifier systems : en
  • AU146339A - Improvements relating to pedals for cycles andthe like : en
  • CH207436A - Fixed crushing and sorting plant. : de en
  • DE683181C - Device for displaying the number and duration of faults in electrical systems : de en
  • US2178413A - Undergarment : en
  • SU55898A1 - A method of making varnishes from cellulose ethers : en ru
  • US2177738A - Match packet : en
  • USD117382S - Design for a bottle : en
  • US2178093A - Television system : en
  • US2178252A - Apparatus for testing the mechanical oscillation properties of bodies : en
  • ES144433A2 - PROCEDURE FOR MANUFACTURING ARTIFICIAL OR RECONSTITUTED LEATHER : en es
  • FR848417A - Automatically variable force transmission device : en fr
  • GB514062A - Improvements in or relating to tools for performing finishing operations upon boot or shoe parts : en
  • US2178208A - Pad roller : en
  • DE683309C - Method for measuring mechanical forces by magnetic means : de en
  • FR848513A - Shock absorber : en fr
  • GB514281A - Improvements in or relating to the production of whippable milk preparations : en
  • CH207359A - Safety device on pistols. : de en
  • CH207404A - Cathode ray tube with fluorescent screen. : de en
  • US2177984A - Phosphoric acid esters and method of producing them : en
  • DE683164C - Process for the production of sulfur dyes : de en
  • US2178313A - Latch : en
  • AU101739A - Improvements in and relating to ice-cream freezing machines : en
  • US2178207A - Extracting means : en
  • US2178261A - Dough cutter : en
  • US2178266A - Continuous process for the manufacture of semipulp : en
  • US2178476A - Wood-sawing machine : en
  • DE683095C - Registration for documents to be stored upright : de en
  • FR848508A - Self-propelled : en fr
  • FR848618A - Regulator for internal combustion engines or other machines : en fr
  • US2178061A - Gear shifting system : en
  • US2178182A - Valve structure : en
  • DE683054C - Reading device for optical torsion force meter : de en
  • US2178096A - Manifolding : en
  • USD117436S - Design fob an apron : en
  • CH207438A - Device for switching gear change transmissions. : de en
  • DE683379C - Electric headlight bulb with parabolically shaped lamp vessel provided with a mirror coating and a melted faceplate : de en
  • AU108853B2 - Carburetor : en
  • US2178227A - Photoelectric tube : en
  • US2178310A - Motor compressor : en
  • US2178349A - Method for the production of terpineol from pinene : en
  • US2178139A - Sulpho-carboxylic acid esters of alcohol amine derivatives : en
  • US2178431A - Pretzel machine : en
  • US2178336A - Refrigerator defroster : en
  • CA384841A - Automobile seat adjusting unit : en fr
  • US2177960A - Brake mechanism : en
  • USD117386S - Design for a textile fabric : en
  • USD117389S - Design for a game board : en
  • US2178472A - Loose-leaf binder : en
  • AU267939A - Improvements in or relating to carpet sweepers : en
  • DE683187C - Feed point to sorting chutes arranged side by side : de en
  • US2177631A - Reversing mechanism assembly : en
  • US2178346A - Film reel attachment : en
  • US2177809A - Apparatus for magnetically separating materials : en
  • US2178267A - Slice separator for knives : en
  • AU108849B2 - Combined screen and elevator for clover burr : en
  • US2178223A - Pressure regulating valve : en
  • US2178412A - Upholstered article and method of making same : en
  • US2177699A - Building system : en
  • US2178077A - Vibration dampening mounting : en
  • US2177767A - Air brake : en
  • US2177870A - Body and engine temperature control system for motor vehicles : en
  • US2177744A - Voltage limiting and arc extinguishing device : en
  • USD117425S - Design for a woven elastic textile : en
  • USRE21254E - Housed type of repeating drop-out : en
  • DE683364C - Circuit arrangement for telecommunication, especially pit signal systems : de en
  • GB514234A - An improved extensible prop for use between opposed surfaces : en
  • US2178230A - Signal device for dispensing pumps : en
  • CA384913A - Therapeutic agent : en fr
  • US2178211A - Optical apparatus : en
  • USD117354S - Design for an embroidered textile : en
  • ES144489A1 - A process for manufacturing strapping or tinplate for canning containers, tinplate packaging and the like. : en es
  • GB514235A - Improvements in tubular junction pieces or connections : en
  • GB514249A - Improvements in variable ratio transmission units : en
  • GB514135A - Apparatus for contacting vapours and liquids : en
  • GB514167A - Improvements in or relating to the regulation of electric supply circuits : en
  • DE683263C - Step vibrating grate for sieving coals : de en
  • ES144428A1 - Discharge procedure applicable to calcination furnaces. : en es
  • FR848527A - Granulated calcium cyanamide and its manufacturing process : en fr
  • FR848465A - Pit cover for emergency exit of shelters protecting against aerial attacks : en fr
  • FR848601A - Individual axle control for steam rail vehicles : en fr
  • FR848591A - Hydraulic force transmission device, applicable in particular to motor vehicles : en fr
  • FR848596A - Device for injecting fuel to facilitate the starting of an internal combustion engine by means of compressed air : en fr
  • GB514094A - Improved manufacture of magnesium oxide from dolomite : en
  • US2177848A - Railway vehicle : en
  • IE15343L - Testing of electric insulators : en
  • GB514136A - Improvements in or relating to electric batteries : en
  • DE683286C - Drive device for calculating machines : de en
  • DE683317C - Process for the production of high molecular weight carbon compounds : de en
  • DE683338C - Feed device for sound boxes of sound recording and playback devices : de en
  • FI18631A - Anordning för anbringande av utlösningsbara stolpar vid fordon, försedda med lastflak : en fi
  • FR848662A - Improvements to processes for preparing rubber powders or the like from latex and to artificial rubber dispersions obtained using these powders : en fr
  • FR848679A - Thermomagnetic relay : en fr
  • DK56875C - Evaporation plant for Distillation of Seawater in Ships. : da en
  • FR848415A - Frequency modulated wave receiver : en fr
  • FR848530A - Device for recording and reproducing films : en fr
  • FR848642A - Device for regulating air flow through suction nozzles or other accessories of vacuum cleaning devices : en fr
  • USD117365S - Design for lace or similar article : en
  • DE683300C - Overtaking machine : de en
  • GR8560B - ARTIFICIAL UTENSILS AFTER ITS MISSES. : el en
  • FR848613A - Smoke filter : en fr
  • DE683340C - Arrangement for generating sparks for spectral analysis : de en
  • GB514038A - Improvements in or relating to television, telecinematograph and like systems : en
  • DE683214C - Installation auto switch : de en
  • GB514274A - Bath seat for use inside a bath : en
  • FR848695A - Brochure Covering Machines Improvements : en fr
  • FR848435A - Process for manufacturing raceways in ball bearings or in ball-mounted devices : en fr
  • FR848476A - Improvements to clippers for cutting hair or hair : en fr
  • DK56860C - Procedure for the production of porous, Flor-provided woven fabric, in which only a part of the stitches contains bead thread. : da en
  • FR848497A - Improvements to tabulating machines controlled by recording cards : en fr
  • US2177900A - Power system protection : en
  • US2178504A - Glass polishing apparatus : en
  • US2177807A - Cracking-off machine : en
  • DE683375C - Rotary hearth furnace : de en
  • FR848500A - Cylindrical marine boiler : en fr
  • GB514084A - Improvements in neck-tie holders : en
  • GB514259A - Improved apparatus for clarifying and/or mixing liquids : en
  • GR8568B - ASPHALT MIXTURE. : el en
  • FR848583A - Cage for rolling elements of bearings and its manufacturing process : en fr
  • ES144332A3 - Improvements introduced in a process for obtaining soles of moldable material, especially suitable for military shoes, mountain shoes, for sports and the like. : en es
  • GB514128A - Method and devices for cooling air-cooled internal combustion engines mounted in gondolas or the like of aircraft, particularly those operating pusher propellers or of which one operates a pusher propeller and the other a tractor propeller : en
  • GB514151A - Apparatus for the sterilization of food products : en
  • FR848687A - : fr
  • GB514201A - An improved light projecting system : en
  • GB514254A - Improvements in magnets for electromagnetic instruments and meters : en
  • GB514286A - Improvements in or relating to electric oscillation generators : en
  • DE683348C - Device for grinding the teeth of saw blades clamped in grids : de en
  • US2177827A - Refrigerating apparatus of the compression type : en
  • GB514210A - Improvements in and relating to collapsible or foldable tables, shelves and like supporting surfaces : en
  • DE683237C - Device for feeding the boiler coal to the mill upstream of the furnace : de en
  • US2177762A - Cathode ray tube : en
  • US2177789A - Antibutting device for farm animals : en
  • US2178378A - Latch mechanism : en
  • DE683113C - Process for the production of rayon : de en
  • FR848632A - Packaging box with cells for eggs and other fragile items of round shape : en fr
  • FR848445A - Telephone installation : en fr
  • GB514144A - Apparatus for the measurement of pressures in fluids : en
  • FR848410A - Process for pre-treating gases to be electrically dusted : en fr
  • GB514207A - Improvements in or relating to aerated gas burners : en
  • CA384853A - Two metal bar : en fr
  • GB514052A - Improvements in or relating to the manufacture of lubricating oils : en
  • ES144345A1 - A process for obtaining a milled flour. : en es
  • DE683274C - Tilt joint for electric lamps and cable guides : de en
  • ES144486A1 - Armored safety fuse with desmodromic percussion. : en es
  • ES144490A3 - A procedure for the preparation of DC-disubstituted thiobarbituric acids. : en es
  • GB514115A - Manufacture of substituted anthraquinones and aroyl-benzoic acids : en
  • GB514194A - Improvements in and relating to lifting jacks : en
  • US2177862A - Apparatus for making spring assemblies or spring fillings : en
  • US2177784A - Automatic cut-off device : en
  • US2178004A - Grease gun : en
  • US2178203A - Weighing and sorting machine : en
  • US2178254A - Radiator humidifier : en
  • DE683107C - Quiet, saturated frequency converter : de en
  • AU108958B2 - An improved fertilizer distributing or like machine : en
  • CH207431A - Camp. : de en
  • DE683350C - With the setting coupled range finder for photographic apparatus : de en
  • FR848554A - Variable amplification amplifier assembly and electric discharge tube usable in this assembly : en fr
  • DE682803C - Device for excluding lines on typewriters : de en
  • US2178482A - Instrument for stroboscopic observations : en
  • CA384843A - Vehicle body : en fr
  • CH207453A - Waterproof watch case. : de en
  • GB514046A - Improvements in machines or apparatus for shaping metal tubes, containers and the like : en
  • US2177966A - Electrical remote control drive : en
  • US2178204A - Pick-up and stripping device for harvesters : en
  • CA384892A - Cathode ray tube time base : en fr
  • CH207441A - Multi-stage control device, especially for electric traction vehicles. : de en
  • US2177823A - Regulating system : en
  • US2177641A - Illuminated sign : en
  • US2177716A - Desulphurizing apparatus : en
  • USD117393S - Design for a brooch pin or similar : en
  • ES144454A1 - A process for calcining or calcining and melting materials containing sulfides. : en es
  • GB514076A - Fit-over frame for spectacles : en
  • GB514117A - Improvements in or relating to machines for washing bottles or similar containers : en
  • US2177678A - Shelving : en
  • US2177837A - Temperature measuring device : en
  • US2178020A - Refrigeration : en
  • US2177628A - Lawn mower : en
  • US2177935A - Stamp mill : en
  • DE682687C - Roughing drum for scraping machines with subdivided roughing rollers : de en
  • ES144407A1 - A new system of automatic falleba. : en es
  • US2178135A - Trimming mechanism for grinding wheels : en
  • USD117358S - Design for an embroidered textile : en
  • DE683297C - Display device for fire extinguishers with pressurized extinguishing fluid : de en
  • FR848659A - Process for bleaching fibers of vegetable origin, natural or artificial, free from encrusting matter : en fr
  • AU108891B2 - Improved method and apparatus for adsorbing moisture andother impurities from air, gas or other fluids : en
  • AU492338A - Improvements to rotory pumps, engines and hydraulic transmission machines : en
  • FR848627A - Improvements in means for, by means of an intermittent action, causing a series of distinct intermittent actions, including switching, signaling and the like : en fr
  • DE683334C - Centrifugal casting machine : de en
  • US2177747A - Mounting means for flares : en
  • DE683244C - Oil-pressure brake cylinder with fixed sleeve and piston without packing : de en
  • GB514279A - Improvements in or relating to lighting fittings : en
  • US2178173A - Derivatives of polymerized alkylol : en
  • FR848411A - Process for preparing polymerization products : en fr
  • FR848663A - Electric thermal meter : en fr
  • US2178347A - Method of and apparatus for testing acoustic translating devices : en
  • US2178268A - Method and apparatus for domestic house heating : en
  • DE683217C - Arrangement for monitoring fuses in high-voltage networks, especially for three-phase networks : de en
  • SU55739A1 - Remount holder : en ru
  • US2177689A - Coin and token receiver : en
  • DE683285C - Hydraulic scales : de en
  • DE683322C - Cooling system, especially for rail vehicles : de en
  • FR848448A - Manual brake for cycles : en fr
  • US2178132A - Lock : en
  • US2178250A - Vent device for heating systems : en
  • US2178280A - Power take-off for power driven vehicles : en
  • US2178363A - Fender shield clamping mechanism : en
  • US2177727A - Gummed tape moistening device : en
  • US2178502A - Wheel rim : en
  • USD117409S - Design for a mirror or similar : en
  • GB514165A - Improvements in indicators for the position of retractable under-carriages in aircraft : en
  • GB514173A - Improvements in and relating to autographic registers : en
  • US2177732A - Diesel fuel : en
  • US2178520A - Method of tempering glass : en
  • US2177883A - Electric discharge apparatus : en
  • US2178328A - Method of dewaxing petroleum oils : en
  • CH207392A - High frequency spark generator device. : en fr
  • US2178010A - Nuclear substituted derivatives of the morphine series and methods for their preparation : en
  • US2177691A - Luminescent or phosphorescent body and the process of manufacturing the same : en
  • US2177758A - Closure : en
  • US2178012A - Thermionic valve circuits : en
  • FR848414A - Improvements to television transmitting devices : en fr
  • GB514170A - Improvements in the magnetic deflection of the ray in cathode ray tubes : en
  • US2177788A - Film marking device : en
  • US2177813A - Machine for closing cans : en
  • US2177930A - Resistance unit : en
  • US2178136A - Door operating system : en
  • FR848581A - Automatically controlled valve : en fr
  • US2178090A - Billfold : en
  • DE1068404B - : de en
  • US2177978A - Ornamental indicator : en
  • AU134039A - Cores of comminuted magnetic material and process of making same : en
  • ES144411A1 - An apparatus for bending cold tubes without filling. : en es
  • ES144318A1 - An apparatus for obtaining, directly and exclusively by electrolysis, sheets or plates, tapes or bands of electrolytic metal. : en es
  • FR848572A - Puncture-proof inner tube and process for its manufacture : en fr
  • CH207388A - Pyrophoric lighter with cigar cutter. : de en
  • FR848532A - Rotary motor : en fr
  • US2178014A - Helicopter : en
  • USD117355S - Design for an embroidered textile : en
  • US2177630A - Electric hygrometer : en
  • US2178221A - Continuously variable inductance device : en
  • AU458638A - Musical chime : en
  • CH207396A - Scraper coolers (chillers), in particular for dewaxing mineral oils. : de en
  • DE683135C - Connection device for a fluorescent lamp : de en
  • DE683194C - Insulating panels : de en
  • SU55822A1 - The method of obtaining sulfur dyes : en ru
  • US2177950A - Liquid level control for well pumping apparatus : en
  • US2178285A - Receptacle closure and method of making : en
  • CH207314A - Space-enclosing construction. : de en
  • US2178427A - Suction nozzle : en
  • US2178500A - Shaker : en
  • US2177932A - Building construction : en
  • US2178294A - Railway signaling system : en
  • US2177780A - Wide range atomizer : en
  • US2178006A - Suction cleaner : en
  • US2178102A - Iron-tanned leather and process of making same : en
  • DE683150C - Continuously working absorption refrigeration apparatus : de en
  • FR848565A - Blower control, with liquid coupling regulated by a barometric capsule, in particular for aircraft engines : en fr
  • GB514060A - Improvements in adjusting or selecting mechanism for the tuning controls of wirelessapparatus : en
  • DE683128C - Tension and pressure transmission means for photographic recording devices : de en
  • DE683130C - Device for holding lenticular multicolor films with cylindrical lens raster : de en
  • FR848699A - Improvements made to blades for mechanical razors : en fr
  • GB514082A - Improvements in sound deadening structures : en
  • DE683319C - Printing machine surrounded by a closed housing : de en
  • AU469038A - Improvements in or relating to altimeters, depth and like distance measuring apparatus : en
  • CA384845A - Railway car brake arrangement : en fr
  • CH207446A - Process for preparing a macrocyclic lactone. : en fr
  • US2177693A - Wheel : en
  • CA384830A - Airplane motor piston : en fr
  • DE683351C - Copier : de en
  • US2177855A - Warp creel : en
  • US2178420A - Protection of alternating current electric systems : en
  • DE683168C - Piston slide carburetor : de en
  • US2177842A - Variable inductance device : en
  • US2178238A - Electric discharge device : en
  • ES144317A1 - A new button manufacturing process. : en es
  • GB514073A - Improvements in thermionic amplifier stages : en
  • FR848515A - Process for preparing dispersing agents, products obtained and their applications : en fr
  • GB514276A - Improvements in or relating to combined combs and brushes : en
  • US2178439A - Transmission and control mechanism : en
  • GB514039A - Improvements in speed indicators : en
  • AU108845B2 - Improvements in or relating to apparatus for cleansing crockery glassware, and like articles of table use : en
  • ES144439A1 - A tunnel kiln for slow combustion and drying. : en es
  • DK56859C - Device for gasification burners. : da en
  • US2178390A - Gold pan : en
  • US2178449A - Card-holding clip : en
  • US2178236A - Valve-control mechanism for steam engines : en
  • USD117417S - Design for an electric fence : en
  • USD117419S - Design for : en
  • FR848492A - Continuous and uniform operation device for chemically combining or mixing solids with gases : en fr
  • US2178087A - Illuminated advertising device for cash registers : en
  • US2178183A - Sewing machine : en
  • US2178426A - Nursing nipple and the like : en
  • FR848688A - Improvements to devices for twisting wet brooms or the like : en fr
  • AU17939A - Improvements relating to fastening devices for engine cowlings A inspection covers, andother purposes : en
  • US2177915A - Typewriting machine : en
  • AU456338A - An improved device for treating hair and scalps : en
  • CH207428A - Detuning indicator for electrical oscillation circuits. : de en
  • CA384856A - Headlamp assembly : en fr
  • ES144383A1 - Improvements in couplings or universal joints. : en es
  • US2178368A - Industrial truck : en
  • US2178477A - Fuel control device or the like : en
  • USD117366S - Design for a novelty pin or similar : en
  • US2177782A - Container and spout : en
  • US2178428A - Flash lamp : en
  • CA384916A - Non-corrosive organic cellulose derivative : en fr
  • CH207385A - Machine for granulating and mixing solid and plastic masses. : de en
  • AU108852B2 - Improvements in combinations of high-pressure metal-vapour electric discharge lamps with electric incandescent lamps in series with them : en
  • SU55549A1 - The method of producing chromium oxide : en ru
  • US2178042A - Refrigerated display stand : en
  • US2178246A - Pneumatic percussion tool : en
  • US2178255A - Display and demonstration device : en
  • US2178326A - Method of and means for eliminating occluded gases from an enclosure : en
  • FR848446A - Wire stripper and electric cables in metallic tubular sheath : en fr
  • FR848609A - Joggers : en fr
  • AU108878B2 - Steam raising attachment for vertical flue water heaters : en
  • FR848575A - Improvements to electric discharge tubes and devices incorporating them : en fr
  • CA384895A - Signalling system : en fr
  • AU108868B2 - Improvements in or relating to carpet sweepers : en
  • AU206739A - Carburetor : en
  • CH207442A - Aircraft. : en fr
  • CA384857A - Ferrous metal welding apparatus : en fr
  • DE683118C - Optical system for creating three-dimensional light images : de en
  • USD117412S - Design fob a dress : en
  • BE436383A - : en fr
  • US2178051A - Method of treating peat to render it suitable for such uses as the feeding and bedding of animals and manuring or fertilizing : en
  • USD117424S - Design for a hat : en
  • US2177745A - Copper alloys : en
  • CA384901A - Voltage regulator : en fr
  • US2177753A - Chain link : en
  • DE683241C - Tilting device for road carts, especially for agricultural purposes : de en
  • SU54176A1 - Device for actuating a car windshield wiper : en ru
  • US2177968A - Bumper guard : en
  • AU108851B2 - Cores of comminuted magnetic material and process of making same : en
  • US2178371A - Combination flashlight and magnifying glass : en
  • US2178375A - Nutcracker : en
  • USD117357S - Design for an embroidered texttte : en
  • BE436280A - Process for obtaining cerium dioxide : en fr
  • US2178234A - Television system : en
  • US2177965A - Vending machine : en
  • US2178466A - Flagpole support : en
  • AU108894B2 - Improvements in fertilizer distributors or spreaders : en
  • ES144331A1 - Procedure of construction of floors by means of pieces of ground cooked in any way. : en es
  • FR848574A - Advanced reinforcement for moldings and similar elements : en fr
  • FR848678A - Air filter for the suction of explosion engines and others : en fr
  • GB514250A - Improvements in preparations and processes for stimulating the formation of roots and acting upon secondary meristems : en
  • CH207358A - Removable anti-kickback rigid ski sole. : en fr
  • CH207382A - Apparatus for bending cold tubes. : en fr
  • USD117401S - Design for a : en
  • US2178289A - Electrical relay : en
  • US2177824A - Stove top construction : en
  • US2177957A - Brake mechanism : en
  • US2178224A - Piezoelectric crystal holder : en
  • US2178240A - Separator : en
  • AU269139A - Concrete wall form : en
  • CH207378A - Hermetic mounting device for watch movement form. : en fr
  • AU108864B2 - Improvements in or relating to apparatus for shaping hollow distensible structures : en
  • AU108847B2 - Improvements in process of treating cellular matter : en
  • USD117408S - Design for a tooth brush holder : en
  • FR848511A - Manufacturing process for compressed material products : en fr
  • FR848576A - Process for applying a coating on roads and apparatus for carrying out this process : en fr
  • GB514275A - Improvements in and relating to tins and similar containers for powdered and like substances : en
  • GR8556B - GEAR CHANGE MECHANISM FOR SPEED MOTORCYCLE, BICYCLE MOTOR MOTORCYCLE (MOTORCYCLES). : el en
  • CH207421A - Display work in telecommunications systems. : de en
  • AU108839B2 - An improved device for treating hair and scalps : en
  • US2178017A - Friction clutch : en
  • US2177684A - Electric discharge apparatus : en
  • GB514055A - Improvements in thermionic amplifiers : en
  • US2177840A - Air heater : en
  • US2178030A - Sound reproducing apparatus : en
  • US2178411A - Combination kitchen unit : en
  • CH207418A - Process for the transmission of switching criteria in telecommunication systems, in particular teleprinter systems and circuit arrangements for performing this process. : de en
  • US2178029A - Self-draping necktie : en
  • US2177757A - Phosphoric acid esters of nitroalcohols : en
  • US2177986A - Bedclothes adjuster : en
  • FR848661A - Safe with baby scale : en fr
  • US2177729A - Petrolatum : en
  • US2178228A - Motion picture apparatus for approach shots : en
  • US2178314A - Electric indicating system : en
  • DE683208C - Multi-pole roller switch : de en
  • US2178000A - Selective vending machine : en
  • US2178034A - Railway car underframe : en
  • US2178199A - Automatic control mechanism for gramophones and the like : en
  • FR848426A - Cooking on a grid with a recovery layer : en fr
  • FR848433A - Device applicable to all vehicles making it possible to obtain steering and traction by the same wheel : en fr
  • US2177925A - Locomotive crankpin bearing : en
  • CH207399A - Process for the manufacture of articles containing silicon carbide. : de en
  • US2177665A - Means and method for removing volatiles from solids : en
  • US2177694A - Gas or vapor discharge device : en
  • US2178040A - Pressure feed carburetor : en
  • CH207348A - Process and separation device for exudation of solid and semi-solid impurities from liquids containing them in suspension, particularly for the regeneration of used lubricating oils. : en it
  • AU380439A - Pressure plate assembly for tire moulds : en
  • US2177769A - Loud-speaking intercommunicating system : en
  • US2178115A - Hand operated clamping device for multiple spindle machines : en
  • CA384840A - Silencer for gaseous currents : en fr
  • AU108848B2 - Improvements in or relating to fuel systems and to methods of supplying fuel gas : en
  • CH207439A - Shift drum with drive device, in particular for electrical signal boxes in railway safety. : de en
  • CH207386A - Process for producing crowned tooth flanks on spur or bevel gears. : de en
  • AU76339A - Improvements in or relating to fuel systems and to methods of supplying fuel gas : en
  • CA384891A - Resilient support for motors, etc. : en fr
  • US2178525A - Portable handle stick gripping mechanism : en
  • US2177771A - Luminous sign : en
  • CA384880A - Circuit interval timing device : en fr
  • US2178296A - Wrist watch movement holder : en
  • US2177756A - Enclosed electric device : en
  • US2178315A - Regulating means for vehicle parking : en
  • AU468838A - Improvements in or relating to electrical remote control systems : en
  • US2177754A - Collapsible metal tube : en
  • US2178123A - Hydraulic system : en
  • AU108862B2 - Process forthe application of luminous substances on walls : en
  • CA384877A - Glass article tempering method : en fr
  • ES144392A1 - A system of coupling tubular bodies to sink into the ground. : en es
  • FI18625A - Anordning vid en lastbygel för serestransport : en fi
  • FR848555A - adjustable amplifier stage for electrical oscillations : en fr
  • FR848606A - Process for dyeing and printing mixed fabrics of cotton and regenerated cellulose : en fr
  • CH207454A - Converter circuit to achieve higher-phase ripple. : de en
  • US2178333A - Gain control circuits : en
  • US2177948A - Door lock construction : en
  • US2178307A - Travel guide : en
  • AU455938A - Improvements in or relating to bags : en
  • DE683170C - Primary breaker for corn cobs or the like. : de en
  • US2177806A - Resistance shunt adapter : en
  • CH207405A - Process for improving the permeability of mass cores produced by injection molding. : de en
  • CA384890A - Paper container : en fr
  • GB514042A - Improvements in the preparation of supports for dye-impression prints from photographic originals : en
  • CH207412A - Liquid fuel burner. : en fr
  • US2177713A - Frequency-selective network : en
  • US2178327A - Diesel fuel : en
  • US2178372A - Gas generator : en
  • US2178165A - Pencil holder : en
  • US2178393A - Process of making plastic film articles : en
  • US2178491A - Bearing hone : en
  • SU54195A1 - Apparatus for actuating a swinging car windshield wiper : en ru
  • US2178226A - Method of making flat-bottomed cathode ray tubes : en
  • CH207315A - Device for moving the counter slatted frame for plaster and similar ceilings. : de en
  • CH207414A - Jockstrap. : de en
  • DE683359C - Cathode ray tube : de en
  • FR848490A - Rack and pinion steering for motor cars : en fr
  • CH207422A - Arrangement for remote control of radio receivers. : de en
  • DE683120C - Device for statistical monitoring of processes : de en
  • ES144445A1 - Improvements in the devices for the thermal treatment of food products or other items. : en es
  • CH207341A - Process for treating substances containing tantalum and niobium for the separation of niobium by volatilization. : en fr
  • US2177655A - Rail crossing : en
  • US2178026A - Vertical retort for the carbonization of coal and the like : en
  • ES144432A2 - PROCEDURE FOR THE MANUFACTURE OF CELLULAR RUBBER ARTICLES OF UNLIMITED LENGTH : en es
  • FR848630A - Brake for wheels with elastic deformable tires : en fr
  • US2178291A - Gun mount for aircraft : en
  • US2178373A - Refrigerating system : en
  • AU168439A - Improvements in and relating to machines for filling receptacles with liquids : en
  • US2177878A - Spinning top : en
  • US2178279A - Cosmetic holder : en
  • US2178163A - Method of and apparatus for centrifugally casting metals : en
  • US2178360A - Coal feeding device for furnaces : en
  • US2178083A - Circuit controlling device : en
  • USD117438S - Design for a coat : en
  • US2177985A - Ore dressing : en
  • US2178394A - Telepicture synchronous driving system : en
  • US2178158A - Apparatus for coating articles : en
  • CA384874A - Glass block joining method : en fr
  • US2178247A - Mechanism for converting rotary motion into reciprocating motion : en
  • USD117350S - Design for a venetian blind pin : en
  • AU108861B2 - Manufacture of soap : en
  • CH207351A - Process for producing firmly adhering metal coatings on metallic objects. : de en
  • AU464538A - 4 Improvements in or relating to two-way telephone and like transmission systems : en
  • DK56862C - Procedure for the production of textile fabrics consisting of several layers of fabric. : da en
  • CA384914A - Cellulose derivative processing : en fr
  • DE683193C - Circuit arrangement for telephone systems with dialer operation : de en
  • AU568738A - Improvements in and relating tothe treatment of gas forthe separation therefrom of suspended particles of solid or liquid material : en
  • FR848402A - Frequency independent amplifier with one or more stages : en fr
  • FR848559A - Electric power cables : en fr
  • GB514226A - Improvements in or relating to automatic gas valves : en
  • US2177841A - Means for converting direct current into alternating current : en
  • USD117427S - Design fob a textile fabric : en
  • US2178380A - Phototype composing machine : en
  • USD117421S - Design fok a decorative nail : en
  • CH207334A - Shuttle catcher for looms. : de en
  • US2178415A - Sheet metal joint : en
  • CH207401A - Overcurrent time relay with hinged armature and a synchronized Ferraris motor as a time element. : de en
  • US2177642A - Aircraft cowling : en
  • US2177967A - Fruit handling machine : en
  • USD117363S - Design for an embroidered texttte : en
  • US2177908A - Device for controlling the content of a carbureted mixture : en
  • CH207416A - Bidet. : de en
  • CA384911A - Dry sealing envelope : en fr
  • DE683229C - Heat protection insert for baking and roasting devices : de en
  • US2177886A - Apparatus for removing devices from wells : en
  • DE683156C - Fireproof, electrically insulating cover for electrical conductors : de en
  • FR848416A - Method and apparatus for hardening tool cutting edges : en fr
  • US2177704A - Arrangement for operating highpressure metal vapor discharge devices : en
  • US2178028A - Paring knife : en
  • GR8562B - LIGHTING MISSION. : el en
  • ES144337A2 - IMPROVEMENTS MADE IN THE PROCEDURE FOR THE MANUFACTURE OF THIN METAL STRIPES AND METALLIC SHEET, STARTING FROM A THICK STARTING PIECE : en es
  • US2177876A - Kinetic energy indicator for impact testing apparatus : en
  • US2178148A - Brake mechanism : en
  • US2178533A - Window sash balance : en
  • CH207458A - Protection device for cycle wheel. : en fr
  • US2177772A - Desk set : en
  • US2178269A - Batter mixer scraping mechanism : en
  • CH207325A - Process for the production of water-resistant and vapor-resistant glass and water-proof and vapor-resistant glass obtained by this process. : de en
  • US2177838A - Mechanical pencil : en
  • US2177849A - Slidable condenser having spiral electrodes : en
  • USD117400S - Design for a drain cock : en
  • DE683235C - Method and device for regulating the output of free-flight piston compressors : de en
  • AU58739A - Improvements relating to spring closing devices and check mechanism for doors : en
  • CH207373A - Method for the detection of objects by means of electromagnetic waves and device for the implementation of this method. : en fr
  • US2178045A - Drafting machine : en
  • US2178416A - Filter press : en
  • US2177977A - Motor : en
  • FR848524A - Curved wood clothes hanger : en fr
  • US2178452A - Expansion comb for textile machines : en
  • US2177735A - Luminous body : en
  • US2178421A - Rubber roll : en
  • US2178306A - Course device for vehicles : en
  • US2177736A - Television transmitting apparatus : en
  • AU471738A - Improvements in or relating to apparatus for cleansing crockery glassware, and like articles of table use : en
  • CH207393A - Magneto. : de en
  • US2177779A - Shut-off valve for liquid fuel burners : en
  • US2178015A - Apparatus for making pipe : en
  • US2178054A - Azo dyestuffs and process of making same : en
  • CA384872A - Dehydracetic acid preparation : en fr
  • ES144448A1 - Rotary piston compressor. : en es
  • AU543738A - Improvements in electric insulated wires and cables : en
  • US2177994A - Ventilator : en
  • US2178166A - Cake holder and support : en
  • US2177749A - Control means : en
  • US2178460A - Weaver's knotter : en
  • ES144435A1 - An apparatus for the construction of a concentric and air-insulated electrical cable. : en es
  • USD117356S - Design for an embroidered textile : en
  • US2177627A - Adhesive sheeting : en
  • AU108843B2 - Means for retaining shirt cuffs in correct dress relationship to coat sleeves : en
  • US2178492A - Fluid measuring apparatus : en
  • US2178522A - Aliphatic polyamines and process of making them : en
  • CA384902A - Dispersing mechanism : en fr
  • US2177787A - Sheet delivery mechanism : en
  • US2178024A - Thumb tack : en
  • US2178367A - Industrial truck : en
  • GB514080A - Radio landing control system : en
  • ES144368A1 - Power plant powered by the wind through large air turbines. : en es
  • GB514154A - Improvements in or relating to signalling systems : en
  • DE683213C - Overload and short-circuit protection circuit for electrical machines and devices with high currents : de en
  • FR848700A - Incendiary and explosive projectile for all applications : en fr
  • CH207324A - Process for the formation of basic refractory linings, in particular of siderothermal furnaces with basic operation, furnaces with high thermal speed, ladles, etc. : en fr
  • DE683349C - Method and device for applying a metal layer to a base metal : de en
  • CA12550S - Scarf : en
  • CA384852A - Sheet glass manufacturing apparatus : en fr
  • US2177730A - Potato digger chain : en
  • FR848412A - Loading device for agglutination devices : en fr
  • FR848486A - Device for rolling profiled parts from hollow bodies : en fr
  • DE683236C - Fuel delivery device for internal combustion engines : de en
  • DE683281C - Pharmacy cabinet : de en
  • GB514277A - Improvements in or relating to weighing scales : en
  • US2178176A - Air conditioner : en
  • US2178194A - Well cleaning device : en
  • CH207420A - Device for setting counting or printing mechanisms. : de en
  • DE673447C - Silencer, especially for internal combustion engines, with chambers lying one behind the other and connected to one another by several pipes : de en
  • FI18630A - Procedure for removing friction between a vehicle moving along a surface and a surface : en fi
  • US2178059A - Melting furnace : en
  • US2178464A - Cathode ray sweep circuit : en
  • US2177760A - Tuning device : en
  • US2178524A - Dipping and measuring apparatus : en
  • FR848505A - Camera for narrow films : en fr
  • GB514288A - Process for the manufacture of polysulphides of organic bases and of their solutions : en
  • DE683167C - Bearing body for the elastic mounting of internal combustion engines : de en
  • GB514069A - Improvements relating to dyeing : en
  • GB514093A - New azo dyestuffs and their manufacture : en
  • GB514044A - Improvements in or relating to speed regulating devices : en
  • GB514244A - Improvements in and relating to elastic fluid turbines : en
  • DE683132C - HEPA filters, especially for respiratory protection filters : de en
  • ES144372A1 - Tire for tires consisting of three or more pieces and provided with one-piece side rings. : en es
  • ES144315A1 - Stained glass or guillotine blind. : en es
  • DE683108C - Adjustable choke coil : de en
  • FR848483A - Push chain : en fr
  • FR848496A - Tile : en fr
  • FR848614A - Clean and fresh air mosquito net : en fr
  • FR848669A - Improvements to apparatus for refrigerating certain food preparations : en fr
  • ES144366A1 - Clutch mechanism in one direction. : en es
  • FR848494A - Engine mount, in particular for aircraft engine : en fr
  • GB514100A - Improvements in the construction of accordions : en
  • FR848482A - screen for electric lighting : en fr
  • GB514245A - Improvements in electric accumulators : en
  • GB514230A - Improvements in or relating to tobacco pipes : en
  • GB514122A - Improvements in or relating to detachable soles and heels : en
  • DE683212C - Reclosing device for circuit breaker : de en
  • GB514238A - Improvements in door closing and checking mechanism : en
  • FR848594A - Method and device for inking relief printing forms : en fr
  • ES144333A1 - A process of purification and activation of decolorizing earths, alumina silicate or magnesia silicate, well new well used. : en es
  • FR848635A - Device allowing the average power factor of a three-phase, three-wire electrical installation to be deduced for the period with the most active average power : en fr
  • DE683356C - Device for filling stacking rooms with clay material : de en
  • ES142471A1 - A new system of apparatus or machine for recreation or hobby. : en es
  • DE683191C - Toothbrush handle or the like made of celluloid or similar plastic : de en
  • DE683295C - Process for making dye images : de en
  • FR848488A - : fr
  • GB514074A - Electric filter arrangements : en
  • FR848560A - Paddle wheel counter with product quantity indication via a second measured variable : en fr
  • GB514099A - Improvements in or relating to long distance telephony systems : en
  • AU84439A - Combined screen and elevator for clover burr : en
  • CH207346A - Process for the production of copper phthalocyanine. : de en
  • US2177679A - Coverlet : en
  • US2178423A - inman : en
  • US2177888A - Valve for blast machines : en
  • US2177909A - Motor speed control : en
  • DE682967C - Safety burner on the gas stove : de en
  • FR848629A - Automatic fuel supply control device, for oil burner : en fr
  • DE683220C - Process for making glass pan ovens : de en
  • CA384907A - Window pane guiding and cushioning device : en fr
  • DE683171C - Attachment of U-shaped Schlaegerkoepfe from Schlaegermuehlen : de en
  • US2178053A - Corn planter : en
  • US2178352A - Projection apparatus for a small planetarium : en
  • US2178290A - Speed responsive apparatus : en
  • USRE21255E - Ophthalmic mounting : en
  • GB514187A - Improvements in automatic tuning devices : en
  • GB514179A - Improvements in or relating to radio loop-antennae : en
  • GB514292A - Improvements in and relating to the manufacture of hollow cast metal articles : en
  • SU55189A1 - Rolling stock axle count : en ru
  • US2178206A - Steering knuckle joint : en
  • US2178395A - Variable speed transmission : en
  • FR848666A - Process for the treatment of cereal grains and seeds : en fr
  • US2177635A - Photographic emulsion : en
  • US2177692A - Oscillation translating device : en
  • CA384848A - Paper machine drain box : en fr
  • US2178274A - Frangible tableware : en
  • US2177979A - Chuck : en
  • US2178209A - Packing mold : en
  • US2178488A - Spinning or twisting spindle : en
  • US2177796A - Absorption refrigerator mechanism : en
  • US2177922A - Razor blade sharpener : en
  • US2177638A - Reading machine : en
  • US2178124A - Tractor power lift row marker : en
  • US2178160A - Fastening device : en
  • DE683117C - Method and device for water purification in swimming pools : de en
  • DE683234C - Air-compressing internal combustion engine that works with charging via the exhaust ports as well as reverse or cross-flushing : de en
  • US2178200A - Refrigerating system and control therefor : en
  • DE683276C - Level meter for controlled gas or steam-filled converters : de en
  • US2177896A - Motor vehicle : en
  • DE683109C - Arrangement for the emission of intermittently controlled light beams, in particular for signaling purposes, by means of high-pressure electric vapor discharge lamps : de en
  • DE683284C - Process for dissolving and re-precipitation of copper in metallic form : de en
  • GB514050A - Improvements in rotary pumps and engines : en
  • US2177884A - Carbon paper holder and feeder : en
  • US2178155A - Indicating device : en
  • USD117416S - Design for lace : en
  • DE683182C - Arrangement for remote display and remote control depending on the sensors delivering the setpoint with a very low setting torque : de en
  • DE683226C - Device for adjusting the height of a swivel chair seat : de en
  • US2178084A - Envelope : en
  • US2178186A - Manufacture of ethers from olefins : en
  • US2178259A - Lithographer's press : en
  • US2178376A - Boiler construction : en
  • US2178298A - Inserting tool : en
  • GB514184A - Treatment of electro-deposited zinc coatings : en
  • FR848477A - Process for the production of an explosive and gasifier mixture for carrying out the process : en fr
  • GB514134A - Improvements in or relating to the treatment of filaments, fibres or yarns of organic esters of cellulose : en
  • GB514186A - Improvements in or relating to cigarette rod forming mechanism : en
  • DE1476157U - : de en
  • US2178379A - Means for photographic type composing : en
  • USD117420S - Design for a weatherproof box for : en
  • CH207427A - Overlay Receiver. : de en
  • US2177902A - Trap fishhook : en
  • DE683207C - Process for the preparation of nitrogen-containing condensation products : de en
  • FR848647A - Detachable finger for automatic threshing machine : en fr
  • ES138315A1 - Improvements introduced in the procedures of extraction of vegetable juices. : en es
  • GB514265A - A new or improved machine for forming the teeth of cutting knives employed in web printing machines : en
  • USD117362S - Design for an embroidered texttte : en
  • US2178062A - Car coupling apparatus : en
  • US2178122A - Power equalizing device : en
  • FR848452A - Removable portable cooler : en fr
  • FR848495A - Method and device for the manufacture of compressed insulation cables : en fr
  • FR848556A - Removable, anti-kickback rigid ski sole : en fr
  • DE683260C - Circuit for integrating a physical quantity by means of voltage-independent motor counters and remote resistance transmitters : de en
  • ES144397A1 - Procedure for the manufacture of cellulose for rayon and paper, extracted from the stems of annual plants. : en es
  • DE683326C - Roller for applying an insulating layer to sheet metal for electrical machines : de en
  • US2178007A - Peeling machine : en
  • DE683159C - Control device for a generator, in particular for an alternator on vehicles : de en
  • DE683224C - Cheese slicer : de en
  • FR848674A - Improvements to centrifugal separators : en fr
  • CH207322A - Process for preparing refractory objects. : en fr
  • DE683123C - Cord lock for closed rings : de en
  • ES144364A1 - Improvements in the contact set-up devices intended, mainly, to be used in automatic scales. : en es
  • GB514116A - Improvements in the manufacture of polymerisation products : en
  • DE683323C - Pantograph : de en
  • DE683169C - Process for the electrical oxidation of aluminum wires and strips : de en
  • DE683176C - Process for the removal of halogen ions from photographic baths by electrolysis : de en
  • FR848567A - Device for extracting bearings and other applications : en fr
  • FI18628A - Smörjanordning för fan : en fi
  • FR848586A - Construction of fixed or demountable buildings by assembling multicellular panels in profiled steels : en fr
  • GB514075A - Improvements relating to corrugated sheets of paper or the like : en
  • DK56872C - Friction clutch. : da en
  • DE683101C - Arrangement on float switches : de en
  • FR848510A - Device for preventing disturbances caused by misplaced thread guides on straight-line knitting machines : en fr
  • GB514123A - Submergible towing boat : en
  • GB514175A - Improvements in or relating to safety razors : en
  • GB514296A - Improvements in or relating to vehicles and to loading means for the same : en
  • GB514089A - Apparatus for the oligodynamic activation of water : en
  • FR848507A - Magnetic servo-control by a return movement obtained automatically by means of cursors : en fr
  • FR848677A - Steering wheel refinements : en fr
  • ES144396A1 - IMPROVEMENTS IN MACHINES TO CRACK WALNUTS, ALMONDS AND OTHER HARD HOUSE SEEDS : en es
  • FR848487A - Moat protector for barrel bottoms or the like : en fr
  • ES144374A1 - A procedure for joining objects of regenerated cellulose, celluloid and the like with others of elastic rubber. : en es
  • GB514045A - Improvements in machines or apparatus for shaping metal tubes, containers and the like : en
  • GB514223A - Improvements in or relating to x-ray appliances : en
  • GB514145A - Improvements in and connected with aircraft : en
  • DE683121C - Self-seller for electricity, gas, water or the like. : de en
  • ES144471A1 - Machine for cinematographic reproductions, particularly for sound films and images. : en es
  • GR8558B - PACKAGING FROM THREE CONNECTED, SEPARATE PIECES BREAKING EACH ON ONE LEVEL. : el en
  • FR848431A - Device for the production of cut artificial fibers : en fr
  • DE683233C - Device for measuring the deviations of the distance between two points from a prescribed value, in particular for comparing manuscripts : de en
  • DE683332C - Device for the automatic control of steam power plants working according to the sliding pressure method : de en
  • DE683331C - Cathode ray tubes with image cathode and with magnetic radiation concentration : de en
  • BE436506A - : en
  • CH207326A - Method and apparatus for incinerating materials such as slaughterhouse waste, rendering plant, etc. : en fr
  • US2178304A - Feeding of sheets : en
  • US2178508A - Electrical switch contact : en
  • FR848501A - Apparatus for automatically dispensing measured quantities of a liquid for sanitary or industrial purposes : en fr
  • FR848624A - Process for the depuration and deacidification of liquids, mainly molasses, mainly containing colloidal impurities : en fr
  • DE683102C - Control device : de en
  • US2178172A - Serving tray : en
  • US2177714A - Gaseous electric discharge lamp device : en
  • US2177724A - Lubrication system for internal combustion engines : en
  • US2178365A - Electric conductor : en
  • US2178092A - Electrical junction device : en
  • US2178273A - Shingle : en
  • US2178103A - Manifolding : en
  • US2177755A - Gaseous electric discharge lamp device : en
  • US2178436A - Gaseous electric discharge device : en
  • US2177725A - Game apparatus and control means : en
  • US2178462A - Method of and apparatus for illuminating displays : en
  • DE683133C - Display device for the switching position of gear change transmissions, especially in motor vehicles : de en
  • DE683245C - Brake operated with hydraulic fluid, especially for motor vehicle trains : de en
  • DE683382C - Gas tap : de en
  • ES141717A1 - A method of manufacturing pipes with their joints for water supply and sewerage, based on pressure mixing of cement, asbestos and metal reinforcements. : en es
  • US2178098A - Two-stage starter control : en
  • US2177995A - Method of brazing and welding tubes : en
  • US2178133A - Counter molding machine : en
  • DE683098C - Contact wire clamp for electric railways : de en
  • DE683363C - Feed-through tube made of light metal for tow lines or antennas on aircraft : de en
  • DE683376C - Television transmission arrangement with a plurality of photocells, for example assigned to an image line : de en
  • US2177710A - Fluorescent sign lamp : en
  • US2178256A - Animal trap : en
  • USD117353S - Design for an embroidered textile : en
  • US2178316A - Demountable rim wheel : en
  • CA384847A - Automobile frame straightener and wheel aligner : en fr
  • CH207394A - Gas mixture atomizer for explosion engines. : de en
  • US2178351A - Gyroscopic stabilizer : en
  • FR848485A - : fr
  • GR8559B - WAR DAM. : el en
  • US2178013A - Corn picking roller : en
  • US2177670A - Insect trap : en
  • US2177722A - Paper cutting and folding mechanism : en
  • US2178319A - Method of making flat shaped knitted blanks : en
  • US2178324A - Folding portable stereoscope : en
  • US2177897A - Motor vehicle : en
  • CA384849A - Aircraft rate of climb indicator : en fr
  • US2177904A - Fluid control mechanism for a change speed gear transmission operated by fluid pressue : en
  • US2178323A - Price tag : en
  • US2177695A - Gaseous electric discharge arc lamp : en
  • US2178069A - Rotary intaglio printing press : en
  • US2178233A - Cathode ray tube : en
  • US2177926A - Safety bottle breaker : en
  • US2178219A - Photoelectric cell reproducer : en
  • AU108850B2 - Valve bag : en
  • AU412938A - Improvements in fertilizer distributors or spreaders : en
  • DE683106C - Welding unit consisting of an internal combustion engine and dynamo : de en
  • DE683312C - Pair of thread rolling jaws for producing offset threads : de en
  • US2178343A - Safety signaling device for automobiles : en
  • US2178448A - Method and apparatus for lapping bores : en
  • US2177700A - Piston ring construction : en
  • US2177775A - Circuit breaker : en
  • CH207318A - Process for the production of radiators for central heating, as well as radiators produced according to this process. : de en
  • US2177822A - Radiator cover : en
  • US2177919A - Method of packaging liquids : en
  • US2177989A - Electric connector and method of assembly : en
  • US2178009A - Apparatus for preparing food pellets : en
  • US2178282A - Window sill : en
  • FR848656A - Improvements to receivers or feedback amplifiers : en fr
  • FR848681A - Packaging for conical or special shaped containers : en fr
  • USD117376S - Design fob a befrigebator cabinet : en
  • ES144309A2 - PROCEDURE FOR HOT VULCANIZATION OF ELASTIC RUBBER TUBES OR OTHER SIMILAR MATERIALS : en es
  • US2178075A - Stuffing box for fluid pressure engines : en
  • US2178440A - Grading machine : en
  • DE683127C - Photographic focal plane shutter : de en
  • CH207429A - Television receiver. : de en
  • US2177854A - Sewing machine attachment : en
  • US2177906A - Protective container : en
  • US2178110A - Circuit interrupter : en
  • US2178241A - Variable resistance : en
  • AU112239A - Valve bag : en
  • US2178262A - Gun sight : en
  • CA384897A - Plaster cast : en fr
  • CA384881A - Generator drive : en fr
  • AU108844B2 - Systems indicating the direction of propagation of, for example electromagnetic waves : en
  • AU185739A - Improvements relating to book covers : en
  • US2178534A - Lubricating oil : en
  • USD117375S - Design for a refrigerator cabinet : en
  • FR848651A - Process for melting metals, in particular iron, and cupola for the practice of this process : en fr
  • US2177845A - Floating shaft coupling : en
  • US2177719A - Diesel fuel : en
  • US2177826A - Door hinge : en
  • ES144325A1 - Improvements introduced in the plows. : en es
  • USD117347S - Design for a dessert mold or scholar : en
  • USD117397S - Design for a child s shoe : en
  • FR848472A - Device for forming a uniform tobacco layer : en fr
  • FR848529A - Additives which can be used in alkalizing detergents : en fr
  • DE683223C - Machine for cutting food, especially lettuce : de en
  • CA384862A - Electric discharge device arc-back suppressor : en fr
  • US2178475A - Coating composition : en
  • CA384908A - Box making system : en fr
  • FR848544A - Vertical speed measuring device : en fr
  • FR848552A - Assembly allowing to obtain a variable slope of the characteristic : en fr
  • DE683311C - Spray device for descaling rolling stock : de en
  • USRE21251E - Method of manufacturing cellulose : en
  • GB514153A - Improvements in or relating to ships' logs or other flow meters : en
  • GB514268A - Improvements in or relating to the production of aliphatic anhydrides : en
  • CA384900A - Hair net : en fr
  • DE683283C - Process for the production of bars, strips and similar elongated objects of any length from hardenable synthetic resin by the extrusion process : de en
  • GB514121A - Improvements in and relating to containers for commodities in reeled form : en
  • GB514221A - Improvements in machines for scutching flax or like plant stalks : en
  • FR848582A - Large span building construction system : en fr
  • GB514067A - Regulating and indicating apparatus for regulating the voltage of several transformers adapted to run in parallel : en
  • AU108865B2 - Chocolate advertising game apparatus : en
  • US2177817A - Accounting machine : en
  • US2178117A - Ornament for bird cages : en
  • US2178150A - Method of making car coupler yokes : en
  • US2178362A - Transfer : en
  • US2177656A - Gravure printing press : en
  • US2177763A - Winding machine : en
  • GB514239A - Method of making relief printing formes, sign plates and the like from synthetic resin by stamping : en
  • DE683307C - Electric resistance furnace : de en
  • DE683320C - Address printing machine with an intermittently driven paper conveyor : de en
  • GB514240A - Improvements in reversing valves for regeneratively fired furnaces and the like : en
  • GB514078A - Improvements in or relating to the manufacture of reinforced asbestos cement boards or the like : en
  • GB514251A - Improvements in photographic sheets, films or foils : en
  • US2178341A - Chain conveyer : en
  • GB514037A - Improvements relating to compositions suitable for coating and impregnating : en
  • GB514124A - Improvements in or relating to telescopes : en
  • FR848644A - Manufacturing process of hard alloys : en fr
  • GB514228A - Improvements in and relating to electromagnetically-operated devices, particularly relays : en
  • FR848478A - Devices for filling with ink and reserve of leads for so-called <<pylo>> pen holders combined with the mechanical pencil : en fr
  • GB514043A - A process for the polymerisation of olefines : en
  • GB514112A - Improvements in or relating to weather boarding : en
  • FI18627A - Central frying pan : en fi
  • GB514048A - Improvements in or relating to apparatus for truing grinding and abrasive wheels : en
  • GB514211A - Improvements in or relating to machines for operating on shoe soles : en
  • FR848479A - New hockey game : en fr
  • GB514287A - Improvements in or relating to bottles : en
  • GB514280A - Improvements in eyepieces for gas masks or the like : en
  • ES144320A3 - A pre-filter for the most palpable substances that are eventually found in the air to filter through gas filters. : en es
  • CA384828A - Heated and illuminated steering wheel : en fr
  • CA384854A - Ventilator mechanism : en fr
  • DE683259C - Device for tensioning ready-formed glass vessels, in particular ampoules : de en
  • DE683139C - Yarn catcher for winding machines with several winding spindles mounted in a circle on a rotatable support body : de en
  • US2177764A - Record repeater : en
  • DE683225C - Vacuum cleaner with rotating dirt and dust separator : de en
  • FR848481A - Safety device for gas burner : en fr
  • CA384836A - Air humidifier : en fr
  • US2177703A - Electric gaseous discharge device : en
  • US2178177A - Gear shifting mechanism for motor vehicles : en
  • US2178137A - Door construction : en
  • US2177661A - Method and apparatus for improving thermoplastic sheeting : en
  • US2178493A - Waste and overflow fitting : en
  • DE683231C - Saw, especially band saw, for woodworking : de en
  • CH207406A - Braun tube. : de en
  • US2178388A - Binder canvas slat protector : en
  • GB514255A - Improvements in or relating to the manufacture of sliding clasp fasteners : en
  • US2177674A - Atmospheric pressure responsive device : en
  • US2178039A - Flash boiler : en
  • DE683028C - Laboratory suction filter or advance : de en
  • DE683172C - Swing weightless plansifter : de en
  • FR848537A - Regulator-distributor : en fr
  • GB514157A - Improvements in or relating to control surfaces on aircraft : en
  • US2178019A - Hide or skin dressing tool : en
  • US2178109A - Method of isolating follicle hormones from the urine of pregnant individuals : en
  • US2178167A - Process for producing photographic dyestuff images : en
  • DE683275C - Mirror light for horizontally arranged gas discharge lights : de en
  • FR848521A - Apparatus for making transmission belts adherent : en fr
  • FR848551A - Directly heated cathode variable slope electric discharge tube : en fr
  • CH207344A - Process for the production of a basic condensation product. : de en
  • CH207400A - Switching device to achieve synchronization of tap changers. : de en
  • US2177682A - Shoe lasting device : en
  • USD117346S - Design for a dessert mold or similar : en
  • US2177843A - Remote control system over power lines : en
  • US2178198A - Cleaning device : en
  • CH207372A - Direction finder. : de en
  • DE683248C - Bicycle bottom bracket : de en
  • CA384861A - Electric power transmission system : en fr
  • DE683302C - Saw chain for stone processing consisting of individual links : de en
  • US2178517A - Ejected-bobbin receiver : en
  • US2177863A - Dispensing package : en
  • USD117407S - Design for a ring mounting : en
  • AU463838A - Improvements in or relating to facsimile telegraph transmitters andthe like : en
  • FR848516A - Improvements made to centrifugal clutches, in particular those of automotive transmissions : en fr
  • US2178008A - Inking mechanism for printing presses : en
  • US2178018A - Ornamental coating and material therefor and method of making same : en
  • US2177911A - Ensilage harvesting machine : en
  • DE683287C - Counter with instant reset : de en
  • GB514070A - Improvements relating to the production of powders from natural silk : en
  • GB514105A - Improvements in and relating to power transmission systems : en
  • DE683141C - Tile used to set up electrically heated tiled stoves, in which an electrical heating resistor is built-in : de en
  • CH207395A - Centrifugal regulator. : de en
  • DE683082C - Electrode holder for discharge tubes : de en
  • DE683203C - Insertion tube for thermocouples for devices for pressure hydrogenation of carbonaceous substances : de en
  • US2178180A - Metal paste pigment : en
  • US2178181A - Metal paste pigment : en
  • US2178275A - Binder : en
  • US2177861A - Wheel balancing means : en
  • US2178142A - Stop motion : en
  • AU108829B2 - Improved variable speed power transmission gearing : en
  • AU108897B2 - 4 Improvements in or relating to two-way telephone and like transmission systems : en
  • US2178078A - Art of refining : en
  • CA384887A - Hand luggage : en fr
  • US2177792A - Soil fumigant applicator : en
  • US2178474A - Alkyd resin paint : en
  • CH207360A - Large caliber handgun. : de en
  • US2177912A - Fishing device : en
  • US2178119A - Road joint assembly and support : en
  • USD117379S - Design for a shoe ob similar article : en
  • US2178418A - Glass batch feeder : en
  • FR848405A - Process for treating residual sulfuric acid liquors : en fr
  • US2177814A - Measuring and computing device : en
  • US2178050A - Automatic frictional clutch : en
  • AU108860B2 - Improvements in electric insulated wires and cables : en
  • AU108838B2 - Improvements in or relating to bags : en
  • DE682804C - Device for automatic switching of the longitudinal movement of the ribbon in recording devices o. : de en
  • DE683242C - Automatic pressure medium switching device for gear change transmissions of motor vehicles : de en
  • US2177629A - Piezoelectric cell : en
  • US2178076A - Carton and blank for forming the same : en
  • US2178220A - Radio apparatus and method of assembling the same : en
  • DE683238C - Reflex camera with electric light meter : de en
  • AU206239A - Chocolate advertising game apparatus : en
  • CH207376A - Timepiece. : en fr
  • DK56869C - Translucent Wall or Window for Use as a Window, e.g. in Greenhouses, Mist Benches, Irradiation Halls or Living Rooms. : da en
  • GB514103A - Improvements in and relating to the preparation of hippuric acid derivatives : en
  • FR848588A - Improvements to speaker membranes : en fr
  • GB514214A - Improvements in or relating to skates : en
  • US2178311A - Free piston engine : en
  • DE683313C - Facility for laying out and sending out brochures and other printed matter, samples, etc. : de en
  • GB514133A - Improvements in and relating to liquid level indicators : en
  • US2178079A - Balanced double seated valve : en
  • US2177640A - Display sign : en
  • DK56868C - Apparatus for determining the speed of a moving target, in particular an aircraft. : da en
  • US2177972A - Shopping bag : en
  • US2178348A - Sparking plug : en
  • US2177973A - Shaving device : en
  • FR848503A - Electrical pulse transmitter : en fr
  • GB514142A - Mounting device for pendulum arms : en
  • CA384906A - Closure cushioning and sealing means : en fr
  • FR848462A - Rotary wire guide applicable to winding machines for the production of crossed coils : en fr
  • FR848528A - Improvements to small electric motors for sewing machines and similar uses : en fr
  • DE683198C - Cleaning of sulphite waste liquor for gardening purposes : de en
  • US2178350A - Method of making axle housings : en
  • US2178485A - Thermally sensitive control switch : en
  • US2178386A - Dowel retainer : en
  • US2178003A - Suction cleaner : en
  • BE436430A - Device for the electrical production of mechanical movements : en fr
  • AU493638A - An improved fertilizer distributing or like machine : en
  • FR848454A - Automatic feeder for button sewing machines : en fr
  • GB514270A - Improvements in or relating to cathode ray tubes : en
  • DE683228C - Tower cooking device : de en
  • ES142844A1 - Perfeccionamientos in the roving machines. : en es
  • GB514180A - Improvements in or relating to fluid-pressure operated apparatus primarily for use in aircraft : en
  • DE683134C - Safety device for the tilt gear in vehicles : de en
  • DE683140C - Holding and unwinding device for loose thread rolls, e.g. B. spider cake : de en
  • GB514225A - Improved process for making malt, more particularly for distilleries, and apparatus for carrying out the process : en
  • GR8571B - NEW SHAPE METHOD FOR CONSTRUCTION OF FLUID PRODUCTS MEASURES. : el en
  • FR848464A - Semi-terry towel : en fr
  • GB514096A - Change mechanism for change speed gears particularly for motorcycles : en
  • GB576358A - Improvements in or relating to telegraphic and radio-telegraphic receivers : en
  • IS124B6 - Equipment for injuries or skis on cars : en is
  • GB514054A - Improvements in cable-end insulators more particularly for metal-clad switchgear : en
  • FR848640A - Strong ohmic resistance to wire windings : en fr
  • GB514260A - Improvements in and relating to fireguards : en
  • US2178125A - Mixing device for gaseous fuels : en
  • ES142883A1 - New and perfected procedure for tempering glass. : en es
  • FR848442A - : fr
  • GB514161A - Improvements relating to adjustable windows : en
  • SU55894A1 - The method of obtaining compounds of thorium and cerium : en ru
  • DE683173C - Overlock seam : de en
  • DE683202C - Process for heating in the pressure hydrogenation of carbonaceous substances : de en
  • DE683371C - Single wall evaporative cooler : de en
  • DE683063C - Infinitely variable bevel friction gear : de en
  • ES144395A1 - Perfection improvements in percussion fuses, especially those designed for small caliber projectiles. : en es
  • US2177921A - Idler : en
  • US2178364A - Material working apparatus : en
  • US2177677A - Ladder leg attachment : en
  • US2177831A - Welding apparatus : en
  • US2177918A - Container for packaging pourable materials : en
  • US2177924A - Wheel and axle assembly : en
  • US2178458A - Braun tube : en
  • FR848603A - Device for introducing compressed or liquefied driving gases into a mixed-feed internal combustion engine : en fr
  • GB514113A - Tool for cutting curved tooth bevel gears continuously : en
  • CA384899A - Television synchronizing system : en fr
  • ES144334A1 - A procedure for the manufacture of tiles, tiles and siding plates for facades, walls in a stairwell, window benches, as well as irregular shapes with smooth gloss or matt surfaces and decoration. : en es
  • US2177836A - Garment display form : en
  • US2178308A - Dent remover : en
  • US2178437A - Curtain : en
  • US2177882A - Window : en
  • US2178044A - Bag top closure means : en
  • US2178251A - Coating of metal surfaces : en
  • USD117411S - Design for a dress : en
  • US2178162A - Cardboard box : en
  • AU127639A - Improvements in or relating to apparatus for shaping hollow distensible structures : en
  • CH207339A - Separator for air purification. : en fr
  • AU108880B2 - Improvements relating to double-rope grab buckets : en
  • DE683304C - Lock for boxes : de en
  • DK56857C - Adjustment tap for gas or other gases. : da en
  • FR848652A - Process for preparing explosive oils that are difficult to freeze : en fr
  • GB514196A - Improvements in or relating to circuit arrangements comprising controlled gas- or vapour-filled discharge tubes, particularly for seam-welding apparatus : en
  • US2177890A - Pump anchor : en
  • US2177955A - Brake mechanism : en
  • US2178111A - Apparatus for the manufacture of hats : en
  • CA384910A - Electric switching system : en fr
  • AU363538A - Improvements in mattresses, cushions, pads and the like in connection with furniture and other upholstery : en
  • CA384851A - Paperboard bottle closure : en fr
  • CH207361A - Launching device with a shooting stick and a projectile to be attached to this shooting stick. : de en
  • FR848637A - Process for polishing threads, fabrics or materials made from or containing cellulose esters : en fr
  • US2178134A - Method of furnace repair : en
  • DE683099C - Process for the production of scanning disks for image transmission, television or similar purposes : de en
  • CA384886A - Relaxation oscillator : en fr
  • US2178507A - Fitting for use with glazing bars : en
  • AU458738A - An improved device usable witha map or chart in aerial navigation : en
  • DE683315C - Overflow device on electrostatic precipitators for viscous deposits, e.g. B. Tar : de en
  • GB514079A - Improvements in dart flights : en
  • DE683179C - Sealing plugs made from fiber materials : de en
  • US2178157A - Package opening device : en
  • US2178356A - Internal combustion engine apparatus : en
  • US2177680A - Automatic winder : en
  • US2178297A - Internal combustion engine : en
  • FR848458A - Improvements to systems and devices for reproducing sound from talking films : en fr
  • DE683289C - Process for the electrolytic surface finishing of aluminum, aluminum alloys and similar light metals : de en
  • DE683096C - folder : de en
  • US2177869A - Air conditioning : en
  • US2178441A - Milling machine : en
  • US2178410A - Thermoplastic molding : en
  • USD117371S - Design for a parking meter : en
  • US2177873A - Valve : en
  • US2178331A - Floating pilot shaft : en
  • USD117418S - Design for a leather ok : en
  • ES144321A3 - A system for signaling the exhaustion of gas filters and scrubbers. : en es
  • US2178283A - Electric control device : en
  • FR848655A - Die for machining shafts or other similar parts : en fr
  • FR848626A - : fr
  • US2178021A - Marking square : en
  • FR848463A - Carrying roller for conveyor belts with support and sealing device : en fr
  • US2178320A - Road sander : en
  • US2177987A - Cleaning apparatus : en
  • SE97225C1 - Method for the preparation of cellulose esters : en sv
  • US2177705A - Electric lamp : en
  • FR848585A - Darkening device especially for anti-aircraft defense : en fr
  • ES144304A1 - An apparatus for dismantling tire covers. : en es
  • FR848698A - Improved printing on transparent sheet : en fr
  • GB514246A - Improvements relating to pedestal lavatories : en
  • US2177660A - Method and apparatus for making improved thermoplastic sheeting : en
  • US2177898A - Apparatus for operating upon articles : en
  • USD117434S - Design for a dress : en
  • CH207368A - Radio beacon. : en fr
  • US2177916A - Plumber's test plug : en
  • US2178085A - Closure cap : en
  • FR848406A - Pigments dispersion process : en fr
  • FR848491A - Pre-ignition chamber for internal combustion engines : en fr
  • ES144335A1 - A procedure for obtaining coffee by boiling and self-filtering. : en es
  • AU463938A - Improvements in or relating to television and like transmitting cathode ray tubes : en
  • US2177810A - Production of seamless asbestos cement pipes : en
  • US2178383A - Carbon black : en
  • USD117368S - Design for a hamper or similar : en
  • GB514160A - Improvements in or relating to receptacles for containing and delivering rolled strip materials : en
  • US2178217A - Production of sound motion pictures : en
  • US2178518A - Bobbin receiver for looms : en
  • US2177867A - Well bit : en
  • US2177899A - Closure cap for receptacles : en
  • US2178453A - Coupling circuits : en
  • DE683278C - Electrically heated hot water storage tank, which should be blocked during the operating time of one or more other devices for drawing energy from the same circuit : de en
  • US2177941A - Automatic lumber loader and lift : en
  • US2177844A - Telephone booth spacer : en
  • DE683197C - Iron expansion for junctions and crossings in mine routes : de en
  • DE683347C - Band saw machine with open saw band : de en
  • FR848451A - Secondary electron tube : en fr
  • USD117370S - Design foe a bumper guard or : en
  • DE683091C - Device for the automatic shut-off of gas lines : de en
  • US2178451A - Tube welding process and apparatus : en
  • USD117361S - Design fob an embroidered textile : en
  • GR8564B - FLOOR OF SUSPENDED SUBSTANCES. : el en
  • US2178212A - Coil rack : en
  • US2177643A - Method of producing fibrous cementitious tubes : en
  • DE683161C - Electric table lamp with a reflector that directs part of the light beams at an angle : de en
  • FR848429A - Improvements to electrical apparatus comprising one or more multigrid discharge tubes : en fr
  • US2178503A - Grass and weed cutter : en
  • DE683362C - Cinematographic camera : de en
  • ES144373A1 - A continuous operating scale for weighing materials from a tank. : en es
  • US2177633A - Method and apparatus for making thermoplastic sheeting : en
  • US2177652A - Machine for making cups : en
  • US2177675A - Printing apparatus : en
  • US2177746A - Control mechanism for change speed transmissions : en
  • GB514256A - Improvements in and relating to track vehicles : en
  • FR848571A - Steam heating installation : en fr
  • FR848570A - Device for passing the tube from a fire hydrant onto a tube trolley and vice versa : en fr
  • US2178041A - Tire chain for tractors : en
  • US2178358A - Bonded surface layer and method of forming it : en
  • USD117403S - Design for a lathe or similar article : en
  • US2178281A - Method for hardening camshafts and the like : en
  • US2178317A - Knitting machine : en
  • FR848499A - Device for lubricating the spools on the fixed spindles of the spinning and twisting machines : en fr
  • GB514072A - Improvements in brake operating means for vehicles : en
  • FR848450A - Mast fixing system designed to carry a t.s.f. for example : en fr
  • US2178189A - Oil burning heater : en
  • FR848484A - Joining the housing of a dust extractor to a cap : en fr
  • DE683268C - Distillation column : de en
  • US2178112A - Control apparatus : en
  • IE15950L - Adding lead to steel : en
  • ES144384A1 - A folding tire for pneumatic rings for wheels. : en es
  • GB514284A - Improvements in and relating to rolling mills : en
  • FR848432A - Baby walker with simplified construction and quick open and close : en fr
  • GB514289A - Improvements relating to calculating machines : en
  • DE683277C - Electric heater, especially for heating pitot tube heads for aircraft : de en
  • DE683145C - Mill firing : de en
  • DK56878C - Fuse for Fire Pipe. : da en
  • GB514208A - Improvements in or relating to aircraft : en
  • DE683288C - Quick coupling with swivel bracket : de en
  • ES144419A1 - Apparatus for obtaining carbon sulphide. : en es
  • GB514058A - A process for the manufacture of water-soluble urea-formaldehydepolyhydric alcohol condensation products : en
  • GB514217A - Improvements in or relating to electric circuit breakers suitable for high-voltage systems : en
  • FR848668A - Improvements to systems for steering ships, etc. : en fr
  • AU108835B2 - Improvements in or relating to thermal control devices : en
  • CA384864A - Circuit breaker : en fr
  • DE683370C - High lift safety valve : de en
  • DE683165C - Process for the production of plastics : de en
  • GB514139A - An improved arrangement for cooling exhaust-driven accessories of internal combustion engines : en
  • US2177781A - Liquid fuel burner : en
  • US2178438A - Valve converting system : en
  • CH207343A - Process for increasing the SO3 content of sulfonated organic materials. : en fr
  • AU108896B2 - An improved drag saw : en
  • US2177804A - Amusement device : en
  • GB514202A - Improvements in or relating to electric switches for alternating current circuits : en
  • GB514065A - Improvements in or relating to thermionic valve circuits : en
  • US2178400A - Snow removal machine : en
  • USD117351S - Design fob a condiment shaker : en
  • ES144352A1 - A procedure for obtaining the liquid extract of chymosin or liquid rennet. : en es
  • DE683199C - Comb roller frame pivotable about a horizontal axis : de en
  • US2178195A - Folding chair : en
  • FR848654A - Process for the hydrogenation under pressure of fuels containing oxygen : en fr
  • FR848439A - Multi-chamber mill : en fr
  • FR848519A - Workshop magnifier : en fr
  • FR848573A - Process for preparing high molecular weight condensation products : en fr
  • FR848533A - Two-stroke, one-way air-swept internal combustion engine with spool valve distribution : en fr
  • CH207440A - Spring couplings, in particular for electric vehicles with cardan shaft drives. : de en
  • GB514231A - Improved means for securing an electric heating unit to a container : en
  • DE683270C - Device for speed monitoring for routes with an automatic route block : de en
  • USD117406S - Distilling apparatus : en
  • GB514066A - Improvements in and relating to electric valve circuits : en
  • US2178469A - Attachment to cultivators : en
  • DE683335C - Closing device for air supply openings : de en
  • US2178171A - Stoker control : en
  • DE683321C - Paper guide on typewriters u. like : de en
  • DE683196C - Device for cleaning pulp suspensions : de en
  • US2178060A - Machine for pegging lifts to shoe heels : en
  • DE683352C - Single-track, cross-country vehicle : de en
  • DK56871C - Piston for Internal Combustion Engines. : da en
  • BE436371A - : en
  • CH207363A - Fletched projectile. : en fr
  • DE683240C - Pull cord coupling : de en
  • US2177711A - Metal rolling process : en
  • CA384850A - Aircraft rate of climb indicator : en fr
  • US2177672A - Door latch : en
  • US2177829A - Conversion of hydrocarbons : en
  • GB514148A - Improvements in or relating to manicure or toilet articles : en
  • AU108957B2 - Improvements to rotory pumps, engines and hydraulic transmission machines : en
  • CH207375A - Dial for timepieces and other indicating devices. : en fr
  • US2177885A - Machine for composing lithographic prints : en
  • FR848599A - Device for treating vapors or gases by subjecting them to cooling : en fr
  • CA384893A - Metal casting method : en fr
  • CA384832A - Irrigating adapter : en fr
  • ES144323A1 - Automatic speed grader for windmills. : en es
  • GR8572B - METAL AUTOMATIC SEWER CUTTER. : el en
  • GR8573B - CRAFTS OF FOOTWEAR AND VARIOUS FABRICS IN VARIOUS FORMATIONS AND COLORS FROM KIPERI GRASS OR SHELVES. : el en
  • US2177650A - Reaction products of pyrophosphoric acid with acyl derivatives of polyhydroxy substances : en
  • CH207349A - Cutting roller for making soap flakes. : de en
  • CA384866A - Photographic apparatus double sheet stop : en fr
  • US2177910A - Apparatus for the continuous mixing and homogenizing of substances : en
  • US2178487A - Device for signaling the presence of illuminating gas in inhabited premises : en
  • USD117431S - Design for a textile fajkic : en
  • US2177839A - Mechanical pencil : en
  • US2177970A - Golf club shaft : en
  • US2177894A - Laminated sheet material and articles made therefrom : en
  • CH207313A - Adjustable wreath holder for tying wreaths. : de en
  • US2178527A - Composite machine element and method of making same : en
  • CH207362A - Mortar. : de en
  • US2177752A - Rail lubricating device : en
  • US2178237A - Aircraft landing system : en
  • FR848475A - Advanced lock, locking from the inside, applicable in particular, but not exclusively, to automobile doors : en fr
  • USD117395S - Design fob a smoking pipe : en
  • DE683377C - Circuit arrangement for receiving alternating current signals in telephone systems : de en
  • FR848520A - System allowing the combustion of waste oils and derivatives preserving the cultures from frost : en fr
  • GB514126A - Improvements in machines for nibbling or punching metal and other sheets : en
  • US2178091A - Shipping display and dispensing container : en
  • US2177801A - Electric generator : en
  • US2178288A - Raking apparatus : en
  • USD117364S - Design for an embroidered textile : en
  • US2178213A - Shipping container : en
  • USD117404S - Design for a food gratek : en
  • FR848440A - Sliding cranks, with eccentric guide rings : en fr
  • FR848504A - Process for purifying solutions of metal salts : en fr
  • GB514071A - Improvements in or relating to infantry or trench mortars : en
  • US2177637A - Polymeric material : en
  • USD117387S - Design for a plate : en
  • US2178094A - Trailer hitch : en
  • US2178369A - Industrial truck : en
  • ES144369A1 - Improvements in the mechanisms for the transmission of force. : en es
  • DE683186C - Floating device for reloading coal from barges to seagoing vessels : de en
  • FR848449A - Holder for talismans or others : en fr
  • DE683005C - Method for measuring the blackening of the individual color extracts of color films according to the lens grid method : de en
  • FR848420A - Development vessel for inversion development : en fr
  • FR848541A - Apparatus for electrically and automatically vulcanizing rubber parts : en fr
  • GB514257A - Improvements relating to welding and to welding-rods therefor : en
  • USD117372S - Design fob a creamer : en
  • DE683144C - Nerve needle with teeth raised from the circumference of the needle shaft : de en
  • DE683200C - Breaker pot arrangement, especially for rolling mills : de en
  • DK56856C - Procedure and Air Sighting Apparatus for Treatment of Waste Materials, Particularly Domestic Waste. : da en
  • US2177795A - Compressor and electrodynamic actuating mechanism therefor : en
  • US2177830A - Balancing apparatus and method : en
  • US2178243A - Film feeding device : en
  • FR848673A - Device for detecting the presence of noxious gases, for example combat gas in the air, even at a concentration not perceptible physiologically : en fr
  • GB514224A - Heel with exchangeable tip : en
  • DE683250C - Cylinder-filling internal grinding tool with radially adjustable grinding and guide jaws : de en
  • US2177951A - Transmission : en
  • US2178192A - Reel : en
  • US2178532A - Method of forming saponified reaction products : en
  • FR848622A - Device for bending and driving fasteners : en fr
  • ES144356A1 - Firebox for boilers of locomotives and other boilers to heating. : en es
  • DE683148C - Process for the immediate biological cleaning of phenolic industrial wastewater : de en
  • DE683367C - Pit stamp : de en
  • FI18632A - Trigger device for automatic firearms : en fi
  • GB514212A - Improvements in electrical resistance thermometers : en
  • GB514227A - An improved self-locking releasable fastening : en
  • FR848468A - Method and device for vulcanizing rubber using high frequency alternating fields : en fr