• US1978205A - Vending machine : en
  • US1978326A - Channel structure : en
  • US1978130A - Hollow milling tool : en
  • US1978353A - Automatic milling machine : en
  • US1978201A - Cut flo web ntjteient : en
  • AT139207B - Buzzer. : de en
  • AT139119B - Improvement of the smell of exhaust gases from explosion engines. : de en
  • US1977809A - Heater for automobiles : en
  • US1978118A - Riveting gun : en
  • AT139191B - Device for pouring liquids, in particular milk. : de en
  • CA345545A - Distillation product : en fr
  • US1977837A - Vending machine : en
  • DE604487C - Device for leaching ores : de en
  • DE604641C - Process for the production of sulphonates from acid tars : de en
  • FR772383A - Improvements in lithographic and photolithographic processes : en fr
  • US1977748A - Method of making rubber bonded abrasive articles : en
  • US1978120A - Roller screen : en
  • DE604575C - Process for the production of technical beryllium salts from beryllium-containing minerals using fluorine compounds : de en
  • US1977671A - Process of sealing of gas-filled containers : en
  • US1977922A - Receptacle : en
  • US1978338A - Tool connection for traveling implements : en
  • CA345507A - Railway signalling system : en fr
  • US1978138A - Sealing panel for cedar chests or like receptacles : en
  • DE604722C - Chair with folding seat for theater u. like : de en
  • US1977643A - Protective covering : en
  • US1978057A - Machine for making box trays : en
  • US1977879A - Process of manufacturing sulphite pulp : en
  • US1977988A - Recovery of fatty acids : en
  • DE604513C - Safety lock, the locking bolt of which is blocked by a pin that has to be lifted through the key : de en
  • FR772328A - Machine to test oils and metals against friction and wear : en fr
  • FR772357A - Control device for automatic or non-automatic recording mechanisms, such as counters, cash registers and others : en fr
  • US1977628A - Production of fertilizers : en
  • CA345497A - Rubber and metal product : en fr
  • US1977959A - Self-lubricating bearing : en
  • AT139176B - Contact device for electrical contact devices with small adjustment forces. : de en
  • DE604597C - Device for monitoring the voltage in electrical distribution networks : de en
  • DE604667C - Light relay : de en
  • DK49439C - Shade for Lamps and the like. : da en
  • US1978268A - Manufacture of ethyl alcohol : en
  • GB418233A - Improvements in fluid operated devices for the transmission of power : en
  • AT139093B - Process for the production of tools from hard metal compounds and filler metals. : de en
  • FR772180A - Method of construction of electrodes for cathode ray tubes : en fr
  • FR772304A - Improvements to bridges : en fr
  • GB418512A - Improvements in exhaust silencers : en
  • GB418557A - Improvements relating to insulating materials for electrical purposes : en
  • GB418454A - Improvements in or relating to the manufacture of azo dyestuffs : en
  • GB418382A - Improvements in or relating to gang condensers : en
  • DE604617C - Control device for marine internal combustion engines with a reversing clutch in the propeller shaft : de en
  • FR772236A - Drill holder : en fr
  • CA345519A - Electrical cut-out : en fr
  • DE604689C - Press with two work stations, in particular double sole press : de en
  • FR772005A - Endless belt propellant carrier train for motor vehicles : en fr
  • FR772121A - Hubs for aircraft propellers and the like : en fr
  • GB418316A - Improvements relating to retort settings for the carbonisation of coal and like carbonaceous materials : en
  • CA345462A - Glycerine manufacture : en fr
  • AT139220B - Device by actuating the simultaneous sounding of an organ electrically connected to a piano. : de en
  • US1978380A - Ignition apparatus : en
  • FR772333A - Rotating refrigerated display case : en fr
  • GB418457A - Improvements in and relating to lawn mowers : en
  • US1977911A - Pipe joint : en
  • FR772009A - Improvements to air defense devices : en fr
  • US1977864A - Vehicle turntable : en
  • DE604650C - Device for reducing the control times of generators : de en
  • FR772225A - Diaphragm pump for impure liquids, in particular for liquids containing sand and fitted with a rubber diaphragm in the shape of a pot : en fr
  • DE604738C - Lace holder : de en
  • US1977665A - Stoker construction : en
  • US1978013A - Prism telescope : en
  • US1978310A - Combined table and carrying case : en
  • AU1705934A - Improvements relating to automatic volume control for radio receiving apparatus andthe like : en
  • US1978161A - Ignition timer : en
  • DE604625C - Coil sensor : de en
  • FR772208A - Tilting Body Bucket Chain Excavator : en fr
  • US1978300A - Motor vehicle : en
  • FR772131A - Electric oscillator to exert a biological action on the ultrastructure of living tissue : en fr
  • AT139073B - Process for hot straightening sheet metal. : de en
  • US1977712A - Demountable deep-center rim : en
  • US1978049A - Method for making composite articles : en
  • DE604657C - Cake dividing and cutting device : de en
  • US1977967A - Glass gathering machinery : en
  • US1978142A - Sawing rig : en
  • FR772272A - Method and device for decorating paper, cardboard, cork agglomerates and the like : en fr
  • GB418326A - Improvements in or relating to vaginal receptacle : en
  • US1978340A - Locking metal inserts into cavities : en
  • US1978385A - Rubber-impregnated fibrous sheet material : en
  • AT139105B - Method for concentrating acetic acid. : de en
  • US1978288A - Television apparatus : en
  • DE604531C - Device for converting Cartesian coordinates into polar coordinates or circular functions : de en
  • DE604203C - Booking engine : de en
  • DE604790C - Lock with two-part tumblers : de en
  • DK49421C - Modulation system. : da en
  • FR772341A - Insulation process against heat released by internal combustion engines : en fr
  • FR772342A - Advanced training in cycle and motorcycle headlights : en fr
  • FR772092A - New model bicycle : en fr
  • GB418355A - Hollow transparent building block : en
  • FR772287A - Automatic device for obtaining minimum braking distances : en fr
  • GB418225A - Improvements in or relating to electric signalling or remote control systems : en
  • GB418549A - Improvements in sheave for wire cables : en
  • GB418334A - A process of treating materials in the textile, leather and paper industries : en
  • IE13210L - Composite aircraft : en
  • DE604778C - Two-piece collar button : de en
  • FR772112A - Automatic sales device : en fr
  • FR772279A - Vise improvements : en fr
  • FR772186A - Clothes ironing machine : en fr
  • FR772358A - Sorting machine for paper or any other material in sheets : en fr
  • GB418398A - Improvements in or relating to collapsible boxes : en
  • DK49435C - Procedure for Purifying Sugar Juice, not to be used in the manufacture of foodstuffs, in sugar factories and sugar refineries. : da en
  • FR772111A - Interrupting device for electrical circuits : en fr
  • DE604709C - Device for the transmission of signals over a cable, which consists of an insulated inner conductor and an insulated, tubular outer conductor, both of which are connected to a grounded power source at the receiving end : de en
  • FR772050A - Manometer : en fr
  • FR772169A - Closing device for all applications : en fr
  • FR772043A - Power reserve devices : en fr
  • FR772122A - Device for actuating servo-motor control surfaces for aircraft and the like : en fr
  • GB418240A - Improvements in or relating to the moulding of rubber articles by dipping or like processes : en
  • GB418423A - Improvements in devices for testing coins in automatic vending machines and the like : en
  • US1977940A - Sound record composition and method of making : en
  • US1978382A - Chilling method and apparatus : en
  • US1977927A - Process of making butter : en
  • US1977999A - Cathode ray oscillograph : en
  • GB418213A - Improvements in or relating to apparatus for the selective preheating or softening by heat of goods prior to heat treatment : en
  • AT139153B - Extinguishing device for cigars and cigarettes. : de en
  • GB418676A - An improved machine for sweeping carpets, lawns and other ground surfaces : en
  • US1977648A - Method of treating ore material with a complex brine : en
  • US1977779A - Container for typewriter paper : en
  • US1977634A - Production of alcohols from olefines : en
  • FR772143A - Marble Slab Field Polishing Machine : en fr
  • US1978007A - Humidifying apparatus : en
  • FR772325A - Advanced automotive headlamp : en fr
  • AU1740134A - Improvements in and relating to apparatus for polishing glass plates or strips : en
  • FR772088A - File folder with compartments forming pockets : en fr
  • DE604465C - Decorative stitch device for sewing machines : de en
  • DK49438C - Mechanical device for small pianos. : da en
  • DE604671C - Talking machine with built-in radio receiver : de en
  • DK49420C - Procedure and Device for the Treatment of Rigid Double or Falling Flippers of Desirable Substances. : da en
  • US1978179A - Vehicle bumper : en
  • DE604701C - Collective book for loose sheets with rigid rows on the back : de en
  • FR772244A - Improvement in jet carburetors and mixed gasoline and heavy oil supply device, by injection, applicable to internal combustion engines : en fr
  • GB418491A - Improvements in or relating to electric cycle lamps : en
  • AT139076B - Process for the production of wide strips from iron or steel. : de en
  • DE604676C - Skill game with target openings arranged on an inclined playing field : de en
  • US1978199A - Vibration damper : en
  • US1977680A - Transfer and transfer marking composition : en
  • US1978068A - Typewriter attachment : en
  • GB418589A - Improvements in or relating to apparatus for the chemical treatment, the washing, the draining and the drying of granular, crystalline or like substances : en
  • GB418414A - Improvements in and relating to oil burners : en
  • FR772393A - Ski attachment : en fr
  • FR772017A - Improvements to thermoelectric devices : en fr
  • GB418498A - Photographic process for producing written characters or representations on aluminium or aluminium alloys : en
  • GB418547A - Improvements relating to the cracking of hydrocarbon oils : en
  • US1978214A - Internal combustion engine : en
  • USD93670S - Design fob a plaque or similar : en
  • GB418519A - Improvements in and relating to adjustable supports, such as stands or brackets for toilet mirrors, reading lamps, and like small articles : en
  • US1977848A - Collapsible table : en
  • US1978026A - Vehicle wheel : en
  • CA345470A - Windshield device : en fr
  • FR772099A - Knitting : en fr
  • FR772294A - Improvements to fir trees and other lifting devices, as well as to the automatic shutdown of the control winch : en fr
  • GB418568A - Improvements in and connected with the centrifugal treatment of liquids : en
  • FR772003A - Process for the manufacture of molten materials from household and industrial waste : en fr
  • DE604500C - Carbonless paper and process for its manufacture : de en
  • DE604651C - Arrangement to identify a defective isolator, preferably in hanging isolator chains : de en
  • AT139204B - Method and device for the production of overlaid glass objects by pressing. : de en
  • US1978297A - Testicular hormone and method of producing the same : en
  • US1978074A - Apparatus for making coffee : en
  • GB418542A - Device for automatically regulating the altitude of aircraft : en
  • CA345448A - Cashier protector : en fr
  • US1978134A - Testing apparatus : en
  • FR772138A - Electric capacitor : en fr
  • FR772260A - Steam boilers : en fr
  • DE604515C - Multi-legged, twisted steel wire spring for obstacles : de en
  • DE604766C - Overcurrent switch : de en
  • FR772141A - Safety device to prevent railroad buffering : en fr
  • GB418251A - Improvements in or relating to electric discharge devices : en
  • GB418384A - Improvements in pipes for pneumatic conveyer apparatus : en
  • GB418391A - An improved quick grip and quick release system of screws applicable to vices and other appliances : en
  • US1978383A - Loose leaf binder : en
  • US1977637A - Boiler superheater support : en
  • US1977973A - Treatment of skins and hides : en
  • AT139151B - Pendants. : de en
  • US1978294A - Display or advertising device : en
  • US1977817A - Trail builder : en
  • US1977998A - Manufacture of cigarettes : en
  • GB418408A - Improvements in apparatus comprising in combination, a watch and a mirror : en
  • DE604464C - Jaw crusher : de en
  • US1978114A - Double action axle : en
  • US1977664A - Acetylating cellulose : en
  • US1978362A - Thermostatic regulator : en
  • US1978367A - Coal mining machine : en
  • US1977980A - Governing and regulating apparatus : en
  • DE604614C - Switching device for dimming the headlights of motorcycles : de en
  • FR772095A - Artificial silk spinning machine : en fr
  • FR772348A - Advanced chuck : en fr
  • DE604065C - Process to facilitate the directional cutting of sound films : de en
  • DE604558C - Fare control device : de en
  • FR772069A - Device for cooling, humidifying, purifying or perfuming the air in a room : en fr
  • GB418315A - Improvements relating to icing syringes and the like : en
  • DE604537C - Device for avoiding impermissible current surges in electric vehicles operated with different voltages : de en
  • US1977772A - Automatic position indicating system : en
  • AT139248B - Process for the fermentation of electrical discharge vessels by depositing a metal. : de en
  • DE604488C - Optical measuring instrument : de en
  • GB418413A - Improvements in or relating to telegraph systems : en
  • GB418479A - Improved continuously-burning stove : en
  • DK49423C - Induction coil for High Frequency Purpose. : da en
  • FR772308A - Improvements to elastic wheel mounts : en fr
  • CA345521A - Aluminium improving process : en fr
  • DE604764C - Small lever switch : de en
  • GB418524A - Improvements in or relating to cigar making machines : en
  • US1977891A - Explosionproof conduit outlet box and switch unit : en
  • US1978266A - Manufacture of ethyl alcohol : en
  • USD93648S - Design fob a coffee maker : en
  • GB418664A - Improvements in hair washes : en
  • AT139202B - Device for winding or unwinding tape or wire. : de en
  • GB418317A - Improved device for testing the high tension system of motor vehicles : en
  • US1978277A - Multistage pump balancing means : en
  • GB418463A - Improvements in or relating to methods of and apparatus for splicing unvulcanised rubber articles : en
  • US1977776A - Telegraph alarm circuits : en
  • US1978372A - Hollow set screw and method of and apparatus for making the same : en
  • DE1315719U - : de en
  • DE604482C - Hot water heating system in which the water circulation is caused by the action of steam : de en
  • GB418545A - Improvements in or relating to sparking plugs for internal combustion engines : en
  • DE604686C - Lock for railroad car doors u. like : de en
  • DE604499C - Process for the treatment of paper machine felts, felt rollers or felt tubes : de en
  • DE604636C - Process for the production of containers for high-tension gases in the shape of a spherical rod : de en
  • DE604506C - Float attachment for aircraft : de en
  • DE604527C - Draft regulator for firing systems, especially for steam boiler firing systems : de en
  • CA345553A - Hydrocarbon oil extraction : en fr
  • DE604696C - Water tube boilers for railcars, small locomotives and similar vehicles with limited space : de en
  • US1978109A - Leather roughing tool : en
  • US1977764A - Traction tread : en
  • US1978039A - Spinner structure for aircraft : en
  • US1978190A - Shingle nail lock : en
  • GB418417A - Improvements in metal heels for footwear : en
  • GB418561A - Manufacture of photographic sensitizing dyes : en
  • DE604547C - Method for testing the insulation strength of insulation material composed of several strip-shaped layers : de en
  • US1978153A - Cooling bank plant with several delivery channels : en
  • US1978336A - Turnbuckle for jack pumping systems : en
  • FR772038A - Lock : en fr
  • US1978064A - Attachment for cutting internal gears : en
  • CA345505A - Boiler furnace : en fr
  • US1978136A - Stamping machine : en
  • US1977638A - Manufacture of lamp stems : en
  • US1977906A - Shoe and shank piece and method of making the same : en
  • FR772004A - Cake and its manufacturing process : en fr
  • FR772145A - Steering gear refinements for vehicles : en fr
  • US1978077A - Furnace lining : en
  • US1978249A - Buffer : en
  • IE13566L - Cement : en
  • FR772316A - Control for continuous belt or chain work : en fr
  • GB418319A - Improvements in and relating to safety valves : en
  • DE604634C - Metal extrusion press : de en
  • DE604681C - Holding device for paper vessels to be paraffinized : de en
  • FR772392A - Projection and signaling device for hotels and doctors : en fr
  • GB418368A - Improvements in or relating to photographic material for producing dyestuff or pigment images : en
  • GB418263A - Manufacture of threads resembling wool : en
  • FR772234A - Centrifugal separator : en fr
  • GB418425A - Improvements relating to ship's derrick gear : en
  • DK49429C - Leaf spring for Motor vehicles. : da en
  • FR772213A - Control and actuation mechanism for adding machines, cash registers and other similar machines, in particular for adding machines coupled to typewriters : en fr
  • FR772371A - Dust collecting device for mops : en fr
  • GB418376A - Improvements in and relating to the vulcanization of rubber : en
  • FR772008A - Process for the treatment of cellulosic products by dissolution and precipitation and products obtained by this process : en fr
  • DE604762C - Plug-in device with a housing made of soft rubber : de en
  • DE604652C - Electric rotary capacitor, the capacitor shaft of which is pressed against a collar in the axial direction by a stop against the free end of the shaft : de en
  • DE604605C - Mechanical induced draft system : de en
  • US1978369A - Coal drilling apparatus : en
  • FR772315A - Device usable for taking photographic measurements : en fr
  • US1978157A - Machine for creasing sheet material : en
  • CA345513A - Striking surface : en fr
  • FR772214A - Device for filling bags : en fr
  • US1977657A - Internal combustion engine : en
  • US1977902A - Budding knife : en
  • US1977649A - Cleaning machine : en
  • USD93671S - Design for a game board : en
  • USD93646S - Design for a clock case : en
  • US1977905A - Incubator : en
  • US1977933A - Comb for cutting and thinning the hair : en
  • DE604550C - Device for connecting or disconnecting capacitors in high-frequency circuits, in particular for supplying induction ovens : de en
  • FR772182A - hair waving pin : en fr
  • GB418668A - An elastic electric conductor : en
  • FR772367A - Method and apparatus for water purification : en fr
  • DE604714C - Broadcast antenna to give preference to ground radiation : de en
  • US1977961A - Motor driven power unit for valves and the like : en
  • GB418207A - Improvements relating to sparking plugs for internal combustion engines : en
  • GB418467A - Improvements in or relating to a process for the production of patterned sheet material from raw pasteboard : en
  • GB418495A - Improvements in or relating to the separation of the individual fibres in fibrous material : en
  • FR772211A - Improvements to internal combustion engines : en fr
  • GB418337A - Process for purifying waste water : en
  • CA345466A - Carbureter : en fr
  • DE604549C - Electric discharge tubes : de en
  • DE604566C - Steering device for agricultural vehicles with draft animal drive : de en
  • DE604736C - Device for the coarse and fine adjustment of work slides on machine tools, in particular grinding machines : de en
  • DE603814C - Television receiver : de en
  • CA345488A - Concrete slab : en fr
  • FR772261A - Air-ventilated shoe with pique rubber upper : en fr
  • GB418455A - Improvements in or relating to the manufacture of azo dyestuffs : en
  • FR772108A - : fr
  • FR772399A - Device for undoing the swath and scattering the mown grass : en fr
  • US1977887A - Circuit controlling device : en
  • US1978087A - Snap fastener stud : en
  • GB418456A - Improvements relating to appliances for playing board games : en
  • GB418484A - Improvements relating to head-lamps for road vehicles : en
  • GB418673A - Improvements in or relating to methods of separating gas mixtures into constituents : en
  • DE604624C - Method and device for the production of a chain tree in cross winding : de en
  • DE604632C - Device for automatic closing of cocks, especially gas tendons, after an adjustable time : de en
  • FR772024A - Process for increasing the penetrating power of liquids or viscous or pasty systems containing said liquids : en fr
  • US1978359A - Milling machine : en
  • DE604505C - Airplane wing with hinged control flap : de en
  • DE604581C - Use of antimony alloys as a material for acid-resistant objects : de en
  • FR772232A - Method and apparatus for applying a coating of relatively low melting point metal to high melting point metal : en fr
  • US1977765A - Method of and means for producing gears : en
  • USD93666S - D e lewis : en
  • CA345487A - Drill : en fr
  • GB418234A - Improvements relating to chairs, seats and the like : en
  • GB418236A - Improvements in or relating to electric motors : en
  • GB418265A - A process for the production of glazed coatings : en
  • US1978061A - Piston ring : en
  • US1978173A - Corn popper : en
  • US1978181A - Hydraulically driven surface grinding machine : en
  • DE604529C - Helical wing for pumping liquids or gases in the axial direction : de en
  • USD93655S - Design for a hat : en
  • US1978029A - Attachment device for wrist watch straps and the like : en
  • US1978080A - Articulated locomotive : en
  • USD93695S - Design for a service station building : en
  • DE604466C - Device on a lockstitch shoe machine sewing machine for cutting off the loops of the looper and needle thread loops : de en
  • GB418590A - An improved preparation for masking surfaces for painting : en
  • US1978283A - Interlocking joint : en
  • FR772362A - Progressive gear change device : en fr
  • FR772019A - Working table of alterable organic substances used in the preparation of opotherapy tablets and the like : en fr
  • GB418492A - Improvements in or relating to an automatic double-acting device for adjusting the play in brake systems, in particular in railway vehicles : en
  • FR772129A - Sidecar frame for motorcycles : en fr
  • FR772307A - Universal joint : en fr
  • GB418507A - Transformer tap changing switches : en
  • DE592357C - Zipper : de en
  • US1977866A - Variable speed transmission : en
  • GB418247A - Improvement in emulsifying detergent and wetting agents : en
  • GB418453A - Improvements in or relating to the manufacture of yarns or threads : en
  • DE602907C - Needle holder designed as pliers : de en
  • GB418548A - Improvements in or relating to sparking plugs for internal combustion engines : en
  • US1977825A - Apparatus for making baskets and similar receptacles : en
  • FR772029A - Revolving theater room that can be placed at will in front of the useful set prepared in advance : en fr
  • GB418250A - Improvements relating to pencil sharpeners and paper weights or the like : en
  • FR772310A - Washing machine : en fr
  • GB418500A - Improved paper guiding device for typewriters and like machines : en
  • GB418329A - Improvements in joints for electric cables : en
  • FR772257A - Azo dyes : en fr
  • DE604637C - Handle attachment sleeve : de en
  • DK49436C - Device for covers for housings for encapsulation of electrical switches and associated fuses. : da en
  • DE604712C - Circuit arrangement for self-connection telephones, in particular for coin-operated telephones : de en
  • FR772262A - Improvements to containers intended to withstand pressure : en fr
  • GB418553A - Improvements in or relating to couplings for connecting vehicles : en
  • USD93681S - Design fob a knitted fabkic : en
  • US1977823A - Draft and buffing gear : en
  • US1977698A - Ceramic material and method of making the same : en
  • US1977775A - Protector for hose and similar articles : en
  • USD93650S - Design for a closure cap ob similar : en
  • GB418517A - Improvements in or relating to the lubrication of crankshafts for internal combustion engines : en
  • GB418532A - Improvements relating to antidazzle and fog-piercing devices for vehicle head lamps : en
  • GB418821A - An improved device for attaching plants to walls and the like : en
  • AT139142B - Corn harvester. : de en
  • US1978164A - Wire splicing machine : en
  • AT139110B - Sheets or objects made of foam or cellular rubber. : de en
  • CA345534A - Flour bleaching agent : en fr
  • AT139113B - Process for the production of infusible synthetic masses. : de en
  • AT139234B - Multi-storey storage frame. : de en
  • US1978047A - Packing ferrules for friction couplings : en
  • GB418262A - Improvements relating to the printing of animal or cellulosic fibres : en
  • DE604599C - Electric spotlight for generating large bundles of light : de en
  • DE604601C - Electromagnet with high tensile force with two air gaps that can be changed in the same direction through which the flow of force passes through and a central web that is penetrated by the main force flow : de en
  • AT139241B - Object table for apparatus for projecting large objects with light passing through. : de en
  • USD93682S - Design for a douche nozzle : en
  • US1977625A - Process of decorating glass : en
  • FR772098A - Automatic safety device for railways : en fr
  • GB418674A - Improvements in or relating to helicopters and to rotating wing aircraft : en
  • FR772246A - Seat with backrest : en fr
  • FR772355A - High power electronic amplifier station : en fr
  • FR772381A - Crimping machine for tin cans and the like : en fr
  • FR772251A - Device for coupling and controlling an auxiliary rotating headlight by the steering rod of the automobile : en fr
  • FR772390A - Radiator for permanent ripple electrical appliances : en fr
  • GB418541A - Improvements relating to universal joints : en
  • GB418224A - Rangefinder for use with invisible rays : en
  • FR772217A - Electrically heated device for curling hair : en fr
  • DE604559C - Ignition process of deflagration chambers, in particular of internal combustion turbines : de en
  • FR772041A - Improvements to the wheels for railway vehicles, with combined pneumatic and metal tires : en fr
  • GB418352A - Improvements in knitting machinery : en
  • DE604602C - Device for the electrical heat treatment of liquids in demijohns or similar vessels : de en
  • AT139115B - Process for the treatment of paper machine drying felts. : de en
  • CA345526A - Temperature control system : en fr
  • CA345556A - Cellulose derivative product : en fr
  • DE604753C - Protection device for flue gas feed water preheater : de en
  • CA345482A - Elevator car landing apparatus : en fr
  • GB418581A - Improvements in or relating to photographic material for the production of hydrotypeimages and to a method of producing the same : en
  • FR772123A - Brake improvements : en fr
  • FR772165A - Alloys for electron-emitting parts, process for their manufacture and their applications : en fr
  • US1978303A - Feed roll for presses : en
  • US1978052A - Choke valve : en
  • AT139052B - Method of attaching one-piece caps to insulators. : de en
  • US1977737A - Air pressure control means : en
  • GB418502A - Imhprovements in writing pencils : en
  • DE604670C - Drive device for sound film apparatus : de en
  • FR772329A - Variable color light signal : en fr
  • GB418269A - Improvements in or relating to the production of titanium compounds : en
  • DE604640C - Process for the production of vinyl esters : de en
  • GB418488A - Improvements in the manufacture of vitreous compositions with mica base : en
  • GB418573A - Improvements in or relating to sparking plugs for internal combustion engines : en
  • DE598743C - Device for demonstrating objects : de en
  • US1978386A - Index card member and method of making : en
  • DK49432C - Procedure and Apparatus for the manufacture of Portland cement and earthenware cement. : da en
  • CA345554A - Window ventilator : en fr
  • FR772119A - Rubber pad : en fr
  • US1978025A - Coffee can vacuum attachment : en
  • US1977796A - Dispensing container : en
  • US1978011A - Mechanical unloader for stokers : en
  • AT139091B - Process for coloring objects made of aluminum and aluminum alloys. : de en
  • US1977675A - Machine for removing pits from fruit : en
  • US1977693A - Footwear : en
  • AT139163B - Emergency brake for motor vehicles to prevent skidding. : de en
  • DE604492C - Typewriter with power drive : de en
  • DK49415C - Typewriter with sound-absorbing housing. : da en
  • CA345449A - Chicken eviscerating apparatus : en fr
  • AT139107B - Process for the simultaneous production of concentrated organic acids and their esters, especially acetic acid. : de en
  • AT139250B - Radio receiver. : de en
  • DE604472C - Highly sensitive thermal relay for control or triggering of electrical currents depending on the position of mechanical organs : de en
  • US1978363A - Method and apparatus for electric riveting : en
  • DE604567C - Device for adjusting friction shock absorbers : de en
  • DE604584C - Device for regulating the flame for a liquid fuel burner of a travel cooker : de en
  • DK49422C - Device for Charging Systems for Batteries, in particular for Automobiles. : da en
  • GB418480A - Improvements relating to the manufacture of artificial silk and similar materials by the wet extrusion process : en
  • US1977801A - Molding apparatus : en
  • US1978159A - Timer mounting : en
  • US1978183A - Sound reproducing apparatus : en
  • US1977970A - Portable stand for sound measuring devices : en
  • US1977992A - Recovery of hydrogen from gases containing hydrogen and hydrocarbons : en
  • US1978257A - Container pouch : en
  • CA345511A - Lard stabilization : en fr
  • US1977806A - Valve : en
  • US1978238A - Tumbler : en
  • US1978309A - Method and apparatus for the maintenance and operation of jack pumping systems : en
  • DE604739C - Shoe lasts : de en
  • FR772273A - High ohmage resistance with a protective layer of varnish : en fr
  • AT139112B - Device for distributing a medium in a contact mass filling a reaction device. : de en
  • AT139070B - Sharpening and honing device for double-edged razor blades. : de en
  • US1977943A - Planetary reduction gearing for radial aeroplane engines : en
  • USD93689S - Design fob a bottle : en
  • US1978116A - Double contact electric socket : en
  • US1978295A - Rake : en
  • US1977651A - Furnace : en
  • FR772080A - Improvements to clothing items with suspenders : en fr
  • AU1546833A - Improvements in and relating tothe cores of radiators for automotive vehicles andother purposes : en
  • USD93658S - Design for a device for ejecting : en
  • FR772042A - Telephone communications recording device : en fr
  • GB418575A - Improvements in protective devices for hair waving apparatus : en
  • US1978023A - Sign : en
  • AT139231B - Feedback picture, especially for transport systems. : de en
  • AT139174B - Lubricating device for axle bearings of rail vehicles with a scoop disc. : de en
  • AT139177B - Electric incandescent lamp or discharge tube. : de en
  • AU1756934A - Improvements in or relating to collars for personal wear : en
  • CA345517A - Radio mast insulator : en fr
  • CA345486A - Surgical support : en fr
  • FR772290A - Advanced burner for gas-fired heaters : en fr
  • US1978103A - Straw mat : en
  • FR772204A - Cements and concretes and their preparation process : en fr
  • GB418379A - Improvements in recoil operated firearms : en
  • AU1474933A - Improvements in or relating tothe copying of opaque originals by contact printing : en
  • AT139160B - Single track land vehicle. : de en
  • GB418301A - Improvements in or relating to flotation concentration of minerals : en
  • AT139219B - Method for the multiple transfer of measured quantities in batches. : de en
  • US1978027A - Oil removing device for refrigerator evaporators : en
  • US1977924A - Eccentric reversing device for multiple cylinder engines : en
  • DK49431C - Sticking machine. : da en
  • AU1363933A - Improvements relating to projectors andin particular to projectors with total occupation : en
  • CA345492A - Circuit breaker : en fr
  • GB418335A - Method of continuously manufacturing hydrochloric acid : en
  • CA345529A - Automatic lighter : en fr
  • GB418476A - Improvements in or relating to grinding apparatus more particularly for machining rail joints : en
  • GB418343A - Improvements in manoeuvre signalling apparatus for use on motor vehicles : en
  • FR772174A - Device for projecting the screen image of braun tubes : en fr
  • GB418228A - Improvements in or relating to record card controlled printing mechanisms : en
  • GB418246A - An improved vehicular toy in the form of a boat : en
  • USD93668S - Design for a bottle : en
  • DE604545C - Synchronous machine coupled with drive or driven machine : de en
  • DE604719C - Arrangement on electrically heated table-top devices, such as cooking vessels, hot plates or the like, high performance to prevent the flow of heat after the device base : de en
  • DK49414C - Valve bag. : da en
  • AT139147B - Switchable stops to limit the deflection of floating flaps. : de en
  • DE604647C - Device for controlling the beam movement in television cathode ray tubes : de en
  • US1977640A - Welding and cutting apparatus : en
  • FR772375A - Process for the use of activated carbon in fermentations : en fr
  • GB418464A - Improvements in or relating to model watercraft and aircraft : en
  • US1977621A - Dump car : en
  • US1978112A - Nonseizing article of aluminum and method of producing the same : en
  • DE604589C - Coil surrounded by an iron jacket to shield stray magnetic fields to compensate for symmetry errors on built-in Pupin coils : de en
  • GB418412A - Improvements in or relating to thermionic valves and the like : en
  • GB418505A - Improvements in or relating to change-speed gearing : en
  • GB418897A - Improvements in or relating to means for securing incandescent electric lamps in the holders thereof : en
  • FR772120A - Internal combustion engine suction and lubrication system : en fr
  • US1977681A - Propeller : en
  • USD93683S - Dispenser : en
  • US1978102A - Composition for germinating seeds : en
  • US1978124A - Combination tool : en
  • US1978213A - Hollow article and method of enameling it : en
  • USD93645S - Design fob a swimmer s belt : en
  • US1978092A - Corset : en
  • GB418257A - Improvements in or relating to vehicles : en
  • GB418449A - Improvements in decreasing the permeability of films, foils and other articles : en
  • US1978050A - Apparatus for liming wire : en
  • DE604660C - Precision measuring device with an eccentrically mounted measuring disc serving as an indicator : de en
  • FR772190A - Sprinkler head enhancements : en fr
  • FR772305A - Coupling for the rollers of textile wick stretching mechanisms : en fr
  • FR772313A - : fr
  • FR772407A - Device for feeding the yarn to the knitting needles, in particular for looms for making metallic knitting : en fr
  • US1977624A - Position control system : en
  • US1977957A - Bus bar and bushing connection : en
  • US1978364A - Spring nut : en
  • DE604557C - Cash register with immediate total printing : de en
  • FR772065A - Vehicle brake improvements : en fr
  • FR772168A - Improvements to electric clocks : en fr
  • US1978045A - Method for making multipiece pistons for fluid pressure engines : en
  • US1978328A - Dental fitting for lavatories : en
  • US1977700A - Jigger for forming articles of plastic material : en
  • USD93678S - Design for a bottle : en
  • FR772086A - Elastic fabric in all directions and its embodiment : en fr
  • FR772081A - Centrifugal pump : en fr
  • DE604645C - Method for electrical image transmission in which a modulated auxiliary frequency is also transmitted in an unused interval : de en
  • DE604721C - Device for the production of pure raw materials, especially pure silica, for glass production : de en
  • US1977699A - Apparatus for manufacturing pottery ware : en
  • US1977995A - Shoe ornamentation : en
  • US1978079A - Glandular hormone in aqueous solution and method of producing the same : en
  • DE604776C - Process for the preparation of polyvinyl esters : de en
  • GB418522A - Improvements in or relating to printing presses : en
  • US1978163A - Method of making electrical resistance units : en
  • US1977663A - Sound apparatus : en
  • US1978207A - Welded railway truck : en
  • FR772103A - Closure for windows, doors or the like : en fr
  • GB418442A - Improvements in or relating to electric signalling systems : en
  • FR772177A - Automatic Firearms Improvements : en fr
  • DE604594C - Arrangement for electric arc welding from the network : de en
  • FR772311A - Box-shaped spring : en fr
  • FR772296A - Automatic quick-closing valve to avoid water hammer : en fr
  • US1978254A - Filtration process and apparatus : en
  • FR772239A - Surface treatment process for rubber-based objects : en fr
  • GB418318A - Improvements in lighting fittings : en
  • US1978032A - Apparatus for gathering molten glass : en
  • DE604524C - Device to protect line sections against changes in energy direction : de en
  • FR772288A - Parachute opening system : en fr
  • US1977908A - Folding machine : en
  • US1978253A - Vapor lamp generator : en
  • FR772216A - Clockwork control mechanism for quarter and chime movements : en fr
  • GB418342A - Improvements in fire alarm systems : en
  • GB418551A - Apparatus for the electrical precipitation of suspended materials from gases : en
  • FR772230A - Composite metal bands and their manufacturing process : en fr
  • FR772073A - Projector and installations including application : en fr
  • GB418440A - A new or improved collapsible couch or divan : en
  • GB418209A - Improvements in or connected with parachute equipment : en
  • DE604523C - Absorption cold apparatus : de en
  • US1978305A - Expansion joint : en
  • DE604447C - Skin pass device : de en
  • US1977605A - Direction indicator : en
  • US1977620A - Stoker : en
  • US1978005A - Transferring system : en
  • US1978094A - Stock quotation desk display device : en
  • DE604595C - Process for the production of collectors while avoiding the ejection, scraping or the like of the mica lamellas arranged between the copper segments : de en
  • FR772027A - Device for regulating consumption in catalytic heaters : en fr
  • US1977630A - Recording apparatus : en
  • DE604635C - Horizontal metal extrusion press with a device that brings the block into the press from the side : de en
  • AT139087B - Alloy containing beryllium and magnesium with one or more metals of the iron group or copper as a base. : de en
  • US1977829A - Keyboard : en
  • FR772395A - Method and device for distributing fibers on the sieve in papermaking by means of long sieve machines : en fr
  • GB418241A - Improvements in or relating to cutlery and like cases : en
  • US1978212A - Multirange coupling circuit : en
  • AT139079B - Resilient seat frame covering. : de en
  • US1977760A - Sterilization of the atmosphere of rooms or enclosed spaces : en
  • US1978316A - Arc welding : en
  • GB418333A - Improvements in or relating to automobile lamps : en
  • DE604463C - Process for detinning tinned metals : de en
  • AT139069B - Measuring and dispensing pump. : de en
  • AT139186B - Gas burner. : de en
  • AT139196B - Firelighter. : de en
  • GB418264A - Improvements in jaw crushers : en
  • GB418486A - Improvements in or relating to blade wheel propellers with oscillating blades : en
  • FR772350A - Rolling mill control device : en fr
  • GB418444A - New sulphur dyestuffs : en
  • US1977976A - Mold press for cigar machines : en
  • USRE19352E - Furnace heat regulator : en
  • US1977876A - Molded articles containing inserts : en
  • US1977929A - Process of making butter : en
  • GB418230A - New or improved compositions comprising chlorinated organic substances : en
  • FR772267A - Improvements in the construction of reinforced concrete floors : en fr
  • DE604569C - Combination lock with transversely sliding locking bolts : de en
  • DE604669C - Record device : de en
  • DE604570C - Security lock that can be closed from both sides with a hollow key : de en
  • FR772067A - : fr
  • FR772241A - Mustard dispenser : en fr
  • US1978099A - Apparatus for handling materials : en
  • US1977629A - Tripod for machine guns : en
  • FR772125A - Clothing with movable sleeves : en fr
  • GB418411A - Improvements in or relating to cop winding machines : en
  • DE604741C - Electromechanical sound direction finder : de en
  • FR772115A - Variable pitch propeller adjustable in motion : en fr
  • FR772152A - Process for the manufacture of artificial silk, threads, sheets, strips, etc. : en fr
  • AU1542933A - Combination press and satchel for tennis racquets : en
  • CA345453A - Cellulose derivative product manufacture : en fr
  • AU1731034A - Process of producing cadmium : en
  • US1978187A - Coin counting and collecting means : en
  • US1978033A - Milk bottle holder : en
  • CA345516A - Precipitated titanic oxide : en fr
  • AT139222B - Method and device for displaying or recording electrical modulations, in particular for obtaining sound recordings with the aid of cathode ray tubes. : de en
  • AT139121B - Process for the production of objects, in particular structures, cladding panels or the like. : de en
  • AT139154B - Self-closing cigarette box or the like with a drawer. : de en
  • CA345558A - Liquid fuel burner : en fr
  • DE604694C - Reservoir with a floatable barrier : de en
  • AU1700434A - Process for granulating fine material by deposition on humidified fragments of core Material : en
  • AU1791434A - Improvements in drum filters : en
  • AT139146B - Seed drill. : de en
  • AU1753134A - Improvements in pneumatic tyres : en
  • CA345496A - Waterproof footwear : en fr
  • AU1720734A - Adhesive band for closing paper wrappers of packages : en
  • US1977981A - Opposed disk brake : en
  • US1977610A - Faucet : en
  • US1977963A - Stocking topping apparatus : en
  • AT139178B - Reflector, mirrored on the back, intended for artificial light sources, in particular electrical incandescent bodies. : de en
  • CA345501A - Dyestuff : en fr
  • US1977838A - Car door mechanism : en
  • US1977890A - Means for coloring flame and process of making the same : en
  • US1978346A - Delayed trip for hydraulic circuits : en
  • AT139227B - Suspender flap. : de en
  • DE604564C - Installation on zigzag sewing machines with swing-out needle bar : de en
  • AU1499233A - Improvements in or connected with means for launching aircraft : en
  • CA345527A - Oven lighter : en fr
  • AT139090B - Process for the manufacture of articles, e.g. B. valve cones for internal combustion engines, hot tools such as dies, mandrels, etc. : de en
  • CA345541A - Hydrocarbon gas polymerization : en fr
  • CA345542A - Motor fuel : en fr
  • US1978208A - Distortionless amplifier : en
  • AT139226B - Form holders for shoes on display. : de en
  • US1978263A - Apparatus for sorting sheets : en
  • US1978356A - Electrolytic apparatus : en
  • AT139122B - Process for the production of objects, in particular of structures, with a covered surface. : de en
  • DE604571C - Device for achieving particularly strong attenuation of the membrane of a receiving device for underwater sound : de en
  • FR772052A - Suspension devices for vehicles, in particular for automobile chassis : en fr
  • US1978239A - Multistage impact packing : en
  • US1977751A - Wave transmission network : en
  • FR772203A - Roller milling device : en fr
  • FR772289A - Laughing : en fr
  • AT139206B - Sound recording device for records that can be attached to every speaking machine. : de en
  • DE604580C - Process for the removal of suspended particles of iron and similar finely divided impurities of a non-salty character from magnesium and high-percentage magnesium alloys : de en
  • FR772128A - Method and device for making quilted paper : en fr
  • AT139096B - Process for dyeing acetyl cellulose or mixed fabrics containing acetyl cellulose. : de en
  • DE604493C - Loading device for the coulters of seed drills : de en
  • US1978075A - Wood block flooring : en
  • AT139239B - Radio receiver with feedback and at least two wavebands. : de en
  • AT139208B - Process for the production of shoes, in particular gallantry shoes. : de en
  • CA345464A - Lluminated sign : en fr
  • DE604461C - Overcurrent switch for three-phase networks with neutral conductor : de en
  • FR772175A - Gearboxes : en fr
  • FR772265A - Tipper designed in particular for unloading large capacity wagons : en fr
  • GB418525A - Improvements in calling devices in connection with wireless signalling or carrier frequency line signalling systems : en
  • US1977824A - Automatic stop for extrusion presses : en
  • US1977797A - Silencing means for flushing rims : en
  • US1978065A - Thermostatic snap switch : en
  • US1978209A - Coupling for rotatable elements : en
  • FR772135A - Improvements to electric wave filters : en fr
  • FR772253A - Headdress made of pleated paper or the like for cotillion, party, advertising and other uses : en fr
  • GB418431A - Improvements in and relating to evaporators for refrigerating systems : en
  • CA345490A - Oil-proof and water-proof product : en fr
  • US1978035A - Package and method of making the same : en
  • US1978313A - Clod breaker : en
  • FR772382A - Coin counter : en fr
  • DE604698C - Device for cleaning the gaps of disc roller grids : de en
  • US1977901A - Door latching mechanism : en
  • US1978155A - Smoker's pipe : en
  • US1978314A - Closure for tank fill pipes : en
  • AT139172B - Elastic wheel. : de en
  • AU1498033A - Improvements in leakage protective switches : en
  • GB418508A - Improvements in combined land and water vehicles : en
  • FR772157A - Incandescent electric lamp : en fr
  • FR772300A - Spacers for discharge lamp electrodes, formed by insulating plates of frosted or scratched mica : en fr
  • GB418338A - Improvements in or relating to processes for decorating and printing blotting paper : en
  • DE600488C - Moving coil for electrodynamic loudspeakers : de en
  • US1977851A - Stamper and hammer for foundries : en
  • US1978284A - Machine for boxing matches : en
  • FR772142A - Crankshaft for engines : en fr
  • FR772264A - Welded beam : en fr
  • DE604700C - Application brush that can be screwed onto the neck of containers : de en
  • US1977767A - Rotary tube furnace for desulphurizing ores in a fine or dustlike condition : en
  • USD93694S - Design fob a combined automobtte : en
  • US1977803A - Allergen solution : en
  • US1978139A - Apparatus for carbonizing bituminous materials : en
  • AT139232B - Device for coupling the line index wheel to the paper roll of writing, calculating and similar machines. : de en
  • GB418378A - Improvements in electric fittings : en
  • FR772258A - Device for drawing or refining ribbons or rovings and fibers prepared in the same way, for the manufacture of threads or yarns : en fr
  • US1977795A - Cutting machine : en
  • US1978215A - Indicator for scales : en
  • FR772242A - Compression refrigeration machine : en fr
  • FR772137A - Fluid seal : en fr
  • US1977882A - Rotary sprayer : en
  • US1978132A - Grinding machine : en
  • US1978341A - Drier : en
  • DE604568C - Connection of the threaded head of a freewheel brake hub with the roller cage of the clamping roller locking mechanism : de en
  • US1977886A - Belt conveyer : en
  • AT139215B - Conveyor. : de en
  • US1977944A - Invalid handler : en
  • US1977710A - Multiple torch machine : en
  • US1977885A - Liquid trap or seal and method of making the same : en
  • US1978106A - Extension grate : en
  • US1978042A - Cutting and welding apparatus : en
  • US1977850A - Method of and apparatus for building roads : en
  • FR772035A - Electric lamp with diffusing bulb : en fr
  • FR772331A - Gear change device : en fr
  • DE604630C - Machine for placing cylindrical metal lids on corresponding tin cans : de en
  • US1977900A - Traction device : en
  • FR772332A - Improvement in adjustment devices for ionized steam rectifiers fitted with control grids : en fr
  • GB418308A - Improvements in apparatus for heating liquids : en
  • DK49427C - Route map. : da en
  • DE604755C - Idler lubrication for rail wheels with stationary OElfangmulde : de en
  • FR772001A - Process for drying and impregnating wood : en fr
  • US1977656A - Thermostatic valve : en
  • FR772075A - Improvements to arrows or luminous signal arms for vehicles : en fr
  • DE604528C - gear : de en
  • FR772116A - Currency changer : en fr
  • DE604626C - Automatic lever switch : de en
  • DE604530C - Braking device, especially for motor vehicles : de en
  • FR772337A - Improvements made to automatic shutters, in particular to those installed in the supply lines of internal combustion engines : en fr
  • GB418743A - Transferring apparatus for incompletely solidified glass bottles and the like : en
  • FR772085A - Process for washing and carbonizing raw wool : en fr
  • FR772281A - Manufacturing process of flexible metal tubes : en fr
  • GB418268A - Machine for making packages with integral tearing strips : en
  • DE604471C - Microphone buzzer, in which a vibratory mechanical system acts on a microphone arrangement, by which the excitation of the mechanical system is influenced : de en
  • CA345450A - Organic ether : en fr
  • FR772368A - Process for the preparation of nitrogen oxides starting from ammonia : en fr
  • US1977721A - Carburetor : en
  • FR772028A - Process for obtaining, in a single operation and quickly, household soaps raised on fat : en fr
  • FR772056A - Stack for making paper and cardboard : en fr
  • US1978389A - Automatic pattern controlled milling machine : en
  • AT139188B - Tin can. : de en
  • GB418477A - Improvements in or relating to cups, trophies or bowls : en
  • FI16144A - For tipping equipment for trucks : en fi
  • US1978036A - Wool opener : en
  • CA345471A - Exerciser device : en fr
  • DE603471C - Spindle drive for spinning, twisting and similar textile machines : de en
  • DE604517C - Top game on wheels : de en
  • GB418451A - Improvements relating to steam and like valves : en
  • GB418302A - Improvements in plant for handling rolled bars : en
  • DE604737C - Blowing device for centrifuging a mixture of compressed air, sand and water : de en
  • FR772083A - Improvement in explosion or combustion engines : en fr
  • FR772130A - Clip-clasp device for bracelets, wristwatches, necklaces, etc. : en fr
  • FR772394A - Differential flotation process : en fr
  • FR772218A - Rotary piston engine : en fr
  • AT139189B - Device on cans to regulate the removal of the paste. : de en
  • FR772020A - Apparatus for working under a neutral atmosphere of alterable substances, such as organic substances intended for the preparation of opotherapy tablets and the like : en fr
  • GB418404A - A process for the production of a compound of theophylline and ethanolamine : en
  • GB418592A - Improvements in rotary earth boring drills : en
  • GB418662A - Improvements in miners' and other portable lamps : en
  • US1977858A - Means and method for eliminating hum in rectified alternating currrent operated photo-electric cell amplifiers : en
  • AT139128B - Means for combating animal pests. : de en
  • FR772078A - : fr
  • FR772231A - Bushings manufacturing process : en fr
  • US1978149A - Abrading machine : en
  • US1978306A - Method of knitting stockings : en
  • DE604664C - Automatic control device for load balancing on sliding weight scales : de en
  • DE604535C - Control device for power machines : de en
  • DE604780C - Remote control device for pressure regulator : de en
  • USD93673S - Design for a reflector : en
  • AT139148B - Self-feeding stand for poultry. : de en
  • AT139155B - Cushioning, in particular for motor vehicles. : de en
  • AT139111B - Detergents, cleaning agents, wetting agents and dispersants. : de en
  • AT139187B - Counter bearing for transferring the recoil from the breechblock housing to the rifle stock. : de en
  • US1978137A - Game of skill : en
  • US1978194A - Internal combustion engine : en
  • AT139133B - Device for drying insulating oil under vacuum. : de en
  • CA345480A - Fluffy and hydrated calcium sulphate : en fr
  • US1977759A - Individual condiment container : en
  • US1977761A - Shook end construction : en
  • US1977787A - Three-conductor cable : en
  • US1978073A - Tensioning mechanism for printing presses : en
  • US1978133A - Beet topper : en
  • US1978332A - Apparatus for forming columns in situ : en
  • AU1594434A - Improvements invisible record cardholders : en
  • AT139223B - Equipment of heating and cooking appliances. : de en
  • US1977972A - Power seal for batteries : en
  • US1977863A - Drum frictioning device : en
  • US1978329A - Fastener : en
  • DE604678C - Two-part cage for roller bearings : de en
  • GB418588A - Improvements relating to chisel elevators for use in dentistry : en
  • AT139098B - Process for making wide cellulose hydrate sheets and films. : de en
  • US1978084A - Well drilling bit : en
  • US1978333A - Internal combustion engine : en
  • US1978358A - Stoker : en
  • US1978233A - Pressure reservoir for cables : en
  • US1977612A - Street lighting luminair : en
  • US1978196A - Cosmetic holder : en
  • US1978290A - Rack for supporting pipe fitting nipples : en
  • US1978321A - A low compression oil burning engine : en
  • AU1474133A - Improvements in and relating to machines forthe moulding of tiles andthe like : en
  • CA345552A - Hydrocarbon oil distillation : en fr
  • AT139190B - Closure plug for bottles and. like : de en
  • US1978043A - Hoist for dump vehicles : en
  • CA345550A - Bi-metallic article : en fr
  • US1977877A - Apparatus for lubricating machinery : en
  • CA345478A - Photographic film : en fr
  • US1977749A - Method of generating tapered gears : en
  • US1977903A - Can opener : en
  • US1978395A - Vending machine : en
  • GB418211A - Improvements relating to invertase preparations : en
  • USD93657S - Design for a heater : en
  • US1978331A - Ship's log : en
  • US1978381A - Filing device : en
  • US1977985A - Pasting mechanism for cigarettemaking machines : en
  • US1978240A - Making of packing rings : en
  • USD93696S - Design for a service station building : en
  • DE604704C - Reflection water level indicator : de en
  • USD93661S - Design for the top plate of an : en
  • FR772021A - Closure for bags, envelopes and other paper packages : en fr
  • IE13347L - Purification of zinc : en
  • FR772100A - High voltage rectifier using polyphase current, in particular three-phase current with mechanical control : en fr
  • GB418270A - Improvements in braiding machines : en
  • FR772250A - Light alloy brake drum for bicycle, moped, motorcycle, automobile and aviation hubs : en fr
  • FR772187A - Lifting device for agricultural machinery : en fr
  • DE604718C - Bar, which is occupied with electric lamps : de en
  • GB418232A - Improvements in or relating to electrical safety switching devices for vehicles : en
  • DE604532C - Preparations for making waterproof cement and mortar compounds : de en
  • DE604662C - Device on shift weight scales to prevent the shift lever from stopping between two shifts : de en
  • DE604604C - Gas air mixing valve for gas air and gas compressed air firing : de en
  • US1977746A - Abrasive and polishing device : en
  • US1978226A - Car icer : en
  • US1978158A - Vacuum cleaner : en
  • US1978176A - Apparatus and method for making ice cream : en
  • FR772219A - Automatic liquid analyzer-detector : en fr
  • DE604784C - Lubricator for sewing machines : de en
  • FR772105A - Vacuum actuated regulator for internal combustion engines : en fr
  • US1978218A - Hydraulic bearing : en
  • USD93664S - Design fob a curtain : en
  • DE604680C - Device for bending gutter irons : de en
  • FR772277A - Method of mechanical and automatic distribution of the fuel on a fixed grid and device carrying it out : en fr
  • DE604484C - Two-part articulated holder for attaching roof tiles to roof battens : de en
  • US1977652A - Manufacture of resins for lacquers, varnishes, and the like : en
  • US1977706A - Emergency means of egress from elevator cars : en
  • DE604542C - Flexible protective chain for mobile electrical connection cables : de en
  • US1978091A - Scraper : en
  • FR772398A - Play mat : en fr
  • GB418374A - Improvements in and relating to antioxidants : en
  • DE604740C - Rotary transmitter system : de en
  • CA345531A - Metal refining apparatus : en fr
  • GB418371A - Improvements in stoppers for non-refillable bottles : en
  • US1978162A - Timer for internal combustion engines : en
  • CA345491A - Refrigerator control : en fr
  • FR772044A - Process for manufacturing nitric acid from nitrous gas : en fr
  • GB418331A - Improvements in clutch operating mechanism for road rollers or other vehicles : en
  • GB418447A - Improvements in or relating to supporting devices for flexible electric cables : en
  • FR772051A - Method and devices for protecting the walls of steam boilers and similar apparatus against encrustation and corrosion : en fr
  • FR772151A - Inkwell : en fr
  • GB418327A - Improvements in and relating to elastic fluid generators : en
  • FR772033A - Rapid Fire Gun Cooling System Improvements : en fr
  • GB418513A - Improvements in or relating to leather or like splitting, skiving or like machines : en
  • US1977685A - Float : en
  • FR772314A - Improvements to the stoppering of bottles, flasks, and similar containers : en fr
  • FR772344A - Anti-vibrator support device for pipes : en fr
  • GB418369A - Improvements in and relating to the manufacture of sensitized photographic printing paper and cloths : en
  • GB418271A - Improvements in braiding machines : en
  • GB418504A - Improvements in or relating to cup-shaped articles such as pistons and the manufacture thereof : en
  • FR772263A - Device for the production of gaseous liquids : en fr
  • GB418380A - Improvements in or relating to instruments for measuring the load in consumer circuits : en
  • FR772269A - Improvements to retorts for use in low-temperature distillation of carbonaceous material : en fr
  • US1978059A - Cutting-off machine : en
  • US1978017A - Slicing machine : en
  • US1978015A - Apparatus and method of cleaning tanks containing fluid : en
  • USD93692S - Design for a bottle : en
  • US1977673A - Apparatus adapted for lighting the ground and for aircraft signals : en
  • GB418528A - Improvements in or relating to stair rods : en
  • FR772153A - Rifle scope giving the distance to a goal and the sight angle : en fr
  • GB418420A - Device for achieving uniform draught in funnels with two opposed rotors : en
  • US1977697A - Control apparatus : en
  • GB418238A - Improvements in thermionic valves : en
  • AU1470933A - Electric utility lamp : en
  • FR772205A - Plate or dish holder : en fr
  • GB418419A - Improvements in devices for use in climbing poles : en
  • GB418534A - Improvements in or relating to insulator supports for electric wires or cables : en
  • GB418987A - Improvements relating to means for registering and/or recording the load readings of cranes and the like : en
  • FR772124A - Heavy oil evaporator device for automobile engines, etc. : en fr
  • GB418328A - Improvements in or relating to change speed transmission mechanism : en
  • GB418571A - Improvements in springs : en
  • FR772181A - Method of transmission by television of optical and acoustic phenomena : en fr
  • GB418383A - Improvements in or relating to bearings : en
  • FR772183A - Improvements to alcohol and hydrocarbon stoves : en fr
  • GB418472A - Refining liquid products of destructive distillation of coal : en
  • US1977947A - Gas burner : en
  • US1978088A - Method of making attaching members : en
  • US1978393A - Smoker's pipe : en
  • US1977704A - Glazing machine : en
  • FR772389A - Process for depositing molten metal on one or more conductive bodies, particularly for electric welding : en fr
  • FR772299A - Billiard totalizer : en fr
  • US1977966A - Self-starting synchronous motor : en
  • US1978344A - Two-feed knitting machine : en
  • DE604655C - Weft knitwear : de en
  • US1978182A - Automatic volume control : en
  • US1978327A - Window runway or channel : en
  • US1977732A - Conveyer for shoe factories : en
  • US1977991A - Electric tobacco feed : en
  • US1978185A - Indicator for storage batteries : en
  • DE604457C - Method and device for producing gaps in the tobacco rod formed on a rod-cigarette machine : de en
  • FR772356A - Device for air diffuser in rooms : en fr
  • US1977687A - Cellophane box : en
  • US1978128A - Vortex control : en
  • DE604561C - Mechanically driven press for punching metal blocks : de en
  • DE604769C - Facility to cover personal requirements in single-phase power plants : de en
  • FR772082A - : fr
  • DK49426C - Iron beam plate. : da en
  • GB418347A - Improvements in devices for determining the position of moving aircraft at night : en
  • US1977653A - Bepulper drivehead : en
  • US1978292A - Spring shackle : en
  • US1977969A - Glass level control mechanism and method : en
  • US1978129A - Vortex control for fans : en
  • FR772133A - Air cooler : en fr
  • GB418401A - Improvements in horseshoes of rubber or similar elastic material : en
  • GB418583A - Apparatus for changing and playing gramophone records : en
  • DE604770C - Device for loading highly absorbent solids : de en
  • GB418208A - Improvements in boiler feedwater regulators and like apparatus for regulating liquidlevels : en
  • DE604448C - Machine for the production of conical hollow paper containers : de en
  • DK49434C - Procedure for leveling shards, shingles and the like. : da en
  • FR772101A - Clothes ironing press : en fr
  • DE604490C - lens : de en
  • US1978135A - Method of refining rosin : en
  • US1978317A - Arc welding : en
  • US1978384A - Basket : en
  • FR772154A - Improvements in the manufacture of organic compounds such as dimethylene dioxide and its derivatives : en fr
  • GB418399A - A route indicator whereby a given or chosen route is automatically depicted to the driver of a vehicle : en
  • FR772178A - Electric pocket torch with interchangeable battery : en fr
  • FR772197A - Radio receiver adjuster : en fr
  • FR772058A - Metal cover for motor vehicle spare wheel : en fr
  • US1977794A - Hinge member for loose leaves : en
  • DE604691C - Process for the production of moldings, in particular from ceramic material : de en
  • DE604742C - Impact transmitter, especially for echo sounding : de en
  • USD93649S - Design fob a lamp : en
  • FR772240A - Improvements made to the fairing of fast vehicles : en fr
  • FR772171A - Washing machine, rinsing and spinning the laundry : en fr
  • DE604606C - Stocking and process for its manufacture : de en
  • DE604791C - Right and left closing furniture lock : de en
  • CA345538A - Hydrocarbon gas polymerization : en fr
  • AU1479033A - Improvements in hospital beds : en
  • US1977910A - Method of piston ring manufacture : en
  • US1978371A - Cold formed socketed or hollow screw and method of and apparatus for making the same : en
  • CA345547A - Lubricating composition : en fr
  • AT139084B - Bracket connection by means of welding. : de en
  • AT139192B - Glass cleaner. : de en
  • US1977754A - Truing caliper : en
  • AU1357733A - Improvements in or relating tothe manufacture of rubberised fabric : en
  • DE604495C - Keyboard for purposes of sound release, sound recording and registration purposes, especially for organ-like instruments : de en
  • FR772060A - Improvements to firing devices for underwater mines : en fr
  • USD93647S - Design fob an atomizer : en
  • US1978276A - Eyeglasses : en
  • US1977703A - Method of and apparatus for electrical testing : en
  • US1978236A - Lighting unit : en
  • US1977811A - Valve reseating tool : en
  • US1978261A - Wire line clamp : en
  • US1977766A - Foldable chair : en
  • US1977690A - Material working apparatus : en
  • US1977893A - Automatic machine : en
  • DK49410C - Filling pen. : da en
  • GB418373A - Improved mounting for the reproducer of a talking machine : en
  • CA345509A - Hose coupling : en fr
  • US1977932A - Coating composition : en
  • US1978053A - Radioreceiver and resistance cord : en
  • US1978347A - Profiling machine : en
  • FR772117A - Discharge tube : en fr
  • CA345520A - Vehicle body : en fr
  • DK49430C - Procedure for attaching soles to footwear with pyroxylin adhesive. : da en
  • US1978051A - Apparatus for cutting sheet material : en
  • US1978110A - Grinding machinery : en
  • DE604683C - Suspension, especially for motor vehicles with independent wheels : de en
  • US1977884A - Telephone toll collecting apparatus : en
  • USD93665S - Design fob a refreshment building : en
  • US1977874A - Acoustical composition : en
  • US1977791A - Brake drum truing machine : en
  • US1978156A - Internal heating arm : en
  • US1978189A - Gyrofly toy : en
  • US1978227A - Process for breaking petroleum emulsions : en
  • DE604458C - Screening device for plate dryer : de en
  • US1978375A - Display cover : en
  • US1978022A - Rubber asphalt dispersion : en
  • US1978379A - Spaceband storage means for typographical machines : en
  • US1978063A - Stoker : en
  • DE604789C - Bicycle stand : de en
  • DE604485C - Weather protection device for double-leaf windows : de en
  • DE604705C - Device for detachable fastening of pipes in a pipe wall : de en
  • AT139240B - Process for the production of models for casting artificial teeth with a core. : de en
  • US1978243A - Apparatus for permanent hair-waving : en
  • US1978354A - Milling machine transmission control mechanism : en
  • US1978141A - Dry powder cement paint preparation : en
  • USD93653S - Design for an electric condenser or : en
  • US1978262A - Manifold air intake : en
  • US1977734A - Luggage and trunk carrier : en
  • GB418341A - An improved holder for cosmetic pencils or the like : en
  • GB418439A - Improvements in and relating to rotary engines, pumps, and meters : en
  • US1977807A - Method of disintegrating : en
  • US1978319A - Method of making abrasive metal castings : en
  • DE604479C - Tiltable coffee or tea brewer : de en
  • AT139242B - Electron tube circuit. : de en
  • AU1736934A - Improvements in or relating to roofs of buildings : en
  • US1977726A - Sliding closure : en
  • US1977617A - Heating system : en
  • DE504635C - Process for carrying out heat-generating, catalytic gas reactions with partial return of reaction gas to fresh gas : de en
  • FR772127A - : fr
  • GB418223A - Improvements in or relating to stitching machines : en
  • FR772031A - Improvements to mattresses and the like : en fr
  • GB418258A - Improvements in or relating to locking devices for boards or similar structural elements : en
  • AT139246B - Brushes and paint brushes for body care, in particular toothbrushes and headbrushes with germicidal bristles. : de en
  • AT139179B - Storage stove for cooking. : de en
  • US1977744A - Cable wrapping machine : en
  • US1977964A - Automatic chucking machine : en
  • US1978089A - Electrically heated utensil : en
  • US1978048A - Method of making composite articles : en
  • US1978231A - Outlet box attaching means : en
  • US1977993A - Plumbite solutions : en
  • US1977820A - Air release device for humidifiers and the like : en
  • US1978349A - Automatic car register : en
  • FR772193A - High efficiency cylinder head for internal combustion engines : en fr
  • CA345473A - Pumping mechanism : en fr
  • CA345477A - Liquid pasteurizing process : en fr
  • US1978111A - Curtain and shade fixture : en
  • USD93667S - Design for a sewing machine head : en
  • US1978024A - Sitting and resting furniture : en
  • US1978062A - Condensation product of the anthracene series and process of making same : en
  • US1978269A - Manufacture of ethyl alcohol : en
  • US1978298A - Ovarian hormone and method of producing the same : en
  • DE604620C - Device for achieving a high flashing speed with flashing signals : de en
  • DE604470C - Arrangement for regulating AC power lines : de en
  • US1977800A - Type-tie : en
  • AT139224B - Needle changing device for gramophone sound boxes. : de en
  • CA345460A - Sprinkler : en fr
  • US1977618A - Saber hanger and stabilizer : en
  • US1977756A - Process for the manufacture of light materials for building and other purposes : en
  • US1978018A - Track lubricating apparatus : en
  • US1977608A - Ice tray heater : en
  • US1977831A - Lubricant dispensing apparatus : en
  • US1977854A - Gas valve control system : en
  • GB418661A - Improvements in and relating to air directing devices for use in ventilating systems : en
  • DE604685C - Bulkhead for motor vehicles : de en
  • US1977875A - Echo altimeter : en
  • US1978148A - Motor mounting : en
  • US1978235A - Method of making butt-welded tubes : en
  • AT139061B - Radiator thermometer. : de en
  • DE604763C - Switch box for low-voltage systems : de en
  • US1977762A - Ground speed and drift indicator : en
  • DK49425C - Shake for Gas Appliances. : da en
  • USD93659S - Design for a cabinet for magazines : en
  • US1978365A - Electric switch : en
  • CA345468A - Hydraulic power transmission mechanism : en fr
  • US1977769A - Attachment for washing trays : en
  • US1977960A - Greeting card : en
  • US1977860A - Talking clock : en
  • AT139137B - Climbing top. : de en
  • US1977847A - Adapter : en
  • USPP110P - horvath : en
  • US1977742A - Glassware forming machine : en
  • DE604695C - Automatic storage flap with counterweight, adjustable for certain storage heights : de en
  • DE604692C - Watch glass attachment : de en
  • FR772015A - New source of ultraviolet rays and its applications : en fr
  • FR772330A - Advertising or other insert for slide boxes and the like : en fr
  • FR772030A - Apparatus for selecting particles in suspension in liquids or gases : en fr
  • FR772160A - Naphthalene derivatives for use in the manufacture of coloring matter : en fr
  • GB418243A - Improvements in rafts or floats for bathing purposes : en
  • FR772091A - Date marking device or the like applicable to bottle labeling machines : en fr
  • USD93674S - Design fob a coaster wagon : en
  • US1978003A - Reciprocating grain screen : en
  • US1978376A - Apparatus for use in the manufacture of badminton and like shutlecocks : en
  • AT139094B - Trolley for spreading barley on threshing floors. : de en
  • AT139170B - Compensating device for motor vehicles. : de en
  • AU1711834A - Process and apparatus forthe recovery of sulphur from gases containing sulphur vapour : en
  • DE604615C - Coupling between the bicycle hub and the ring gear carrier : de en
  • US1977683A - Electrical transmission system : en
  • CA345484A - Can washing machine : en fr
  • AT139114B - Non-perspiring vessels, in particular wall-mounted containers. : de en
  • CA345504A - Boiler furnace wall : en fr
  • AT139184B - Can stopper, preferably for milk cans. : de en
  • CA345475A - Freezing process : en fr
  • AT139159B - Wheel rim. : de en
  • US1977771A - Pulverizer : en
  • US1977971A - Lumber trimming and marking machine : en
  • DE604486C - Process for degassing melts : de en
  • US1978267A - Manufacture of ethyl alcohol : en
  • US1978339A - Bottle valve : en
  • US1978030A - Method of making sheet rubber material : en
  • CA345524A - Electron discharge device : en fr
  • DE604684C - Vibration damper for leaf springs, especially for motor vehicles : de en
  • GB418489A - Improvements relating to refrigerators : en
  • US1977725A - Holder for gas administering tanks : en
  • DE604616C - Ship propeller drive : de en
  • GB418210A - Improvements in or connected with parachute equipment : en
  • GB418248A - Improvements in the construction of vehicle bodies : en
  • AT139164B - Automatic crossing signal device. : de en
  • AU1479633A - Improved valve for flushing cisterns andother purposes : en
  • CA345459A - Gas or vapour purifying device : en fr
  • US1978244A - Foot adjuster and exerciser : en
  • US1978090A - Window glass mounting : en
  • FR772013A - Device for fixing and tensioning elastic spokes for wheels with suspended hubs : en fr
  • GB418487A - Improvements in or relating to discharge nozzles of lubricating devices : en
  • US1977719A - Visiting panel for penal institutions : en
  • US1978145A - Anchorage device : en
  • US1977819A - Dump car : en
  • US1977872A - Gasifying apparatus : en
  • US1977834A - Aircraft having pivotally and rotatively mounted sustaining blades : en
  • AU1257533A - Fruit coring machine : en
  • FR772136A - Storage of eggs outside the shell : en fr
  • GB418421A - Improvements in and relating to condensers for refrigerating systems : en
  • GB418501A - Improvements in or relating to devices for ventilating the interiors of automobiles and other vehicles : en
  • US1977808A - Pothead terminal : en
  • US1978203A - Lock for sections of sheet metal : en
  • US1977987A - Process of making and testing tube joints : en
  • US1977670A - Conveyer for bottle washers : en
  • AT139088B - Method and device for activating the enzymatically active constituents of the cereals and for breaking them down for baking and dough purposes. : de en
  • FR772162A - Muzzle brake for barrel tubes : en fr
  • FR772170A - Advanced pool game : en fr
  • FR772354A - Method and devices for disintegrating and transmuting matter : en fr
  • GB418418A - Improvements in or relating to belt-corsets : en
  • GB418744A - An improved stop valve : en
  • USPP109P - nicolas : en
  • DE604726C - Hydraulic speed controller : de en
  • US1978302A - Strength of material testing device : en
  • US1978330A - Marking die and holder : en
  • AT139062B - Magnetic method for detecting irregularities in elongated objects made of magnetizable materials and device for performing the method. : de en
  • US1978060A - Work feeding device : en
  • US1978147A - Pencil sharpener : en
  • CA345551A - Hydrocarbon oil distillation : en fr
  • FR772076A - Improvements to silencers for aircraft engines : en fr
  • US1977644A - Method of disposing of cull lettuce : en
  • US1977845A - Cutting and forming tool, implement, and the like and method of making same : en
  • US1978279A - Machine for grinding cylindrical bodies : en
  • AT139166B - Hose protection insert for automobile wheels or the like. : de en
  • US1977821A - Humidifying device : en
  • US1978020A - Break circuit for telegraph systems : en
  • CA345472A - Insole : en fr
  • US1977937A - Paste tube closure : en
  • US1978082A - Control system for motor driven apparatus : en
  • US1978097A - Ironing table : en
  • AT139099B - Continuous furnace for annealing sheets, wires, etc. : de en
  • US1978008A - Volume control method for radioreceivers : en
  • US1978204A - Process of separating rubber from metal in a composite article : en
  • US1978274A - Safety razor : en
  • DE604592C - Control system for the parallel operation of regulating transformers : de en
  • US1978351A - Work-holder for article sewing machines : en
  • GB418357A - Improvements in apparatus for making air foam : en
  • USD93662S - Design for a clock case : en
  • US1977763A - Balanced sprinkler bearing : en
  • US1978387A - Regulator for fluid compressors : en
  • US1978009A - Barrel key cutting machine : en
  • CA345536A - Olefin polymerization : en fr
  • DE604687C - Window bobble : de en
  • FR772391A - Silvicultural machine : en fr
  • GB418510A - Improvements in structural and reinforcing units for use in reinforced concrete beams in steel frame buildings and the like : en
  • US1978178A - Welding lug : en
  • US1977774A - Protector for cable splices : en
  • AT139104B - Bacteria-rich, organic-mineral universal fertilizer and pesticides, as well as processes for their production. : de en
  • AU1609834A - Improvements in or relating to hydraulic power transmitters ofthe reversible speed or torque converting type : en
  • US1977708A - Potentiometer recorder for automatically recording temperature changes : en
  • US1977818A - Filter : en
  • US1977936A - Water-insoluble disazo-dyestuffs : en
  • US1978323A - Fixed resistor unit and process of forming the same : en
  • USD93687S - Design for a bottle : en
  • FR772374A - Electric remote indicator device : en fr
  • GB418422A - Improvements in concertina gangways for connecting vehicles : en
  • US1977713A - Automatic machine for inserting cigars or the like in containers : en
  • USRE19350E - Refrigeration : en
  • US1977865A - Cushioning device : en
  • US1977790A - Corn harvester : en
  • US1977852A - Shackle device : en
  • US1977982A - Process for the preparation of naphthoquinone dyes : en
  • US1977899A - Antifrost shield for windows : en
  • US1977921A - Draining device : en
  • US1978070A - Nitrocellulose composition and process of preparing same : en
  • US1978337A - Doll : en
  • US1978278A - Joint for concrete slabs : en
  • US1977889A - Tuning mechanism for radio receiving sets : en
  • AU1636834A - Improvements in insole and process of making shoes therewith : en
  • AT139059B - Dry running water meter. : de en
  • US1977711A - Thermometer : en
  • US1978275A - Method of and apparatus for finishing rubber rolls : en
  • US1977718A - Manufacture of aliphatic compounds : en
  • US1978234A - Door or closure : en
  • GB418321A - An improved device for moistening or humidifying the charges of internal combustion engines : en
  • US1977692A - Balancer : en
  • US1978054A - Oil gas generator : en
  • AT139225B - Gauntlet. : de en
  • US1977896A - Resilient mounting : en
  • US1978198A - Process of oxidizing ammonia and catalyst therefor : en
  • US1978335A - Internal combustion engine : en
  • AT139183B - Method and device for the combustion of liquid fuels. : de en
  • US1977659A - Process of recovering ethylene from gaseous olefine mixtures containing the same : en
  • AT139051B - Protective device for electrical systems. : de en
  • DE604588C - Reception arrangement, especially for frequencies that are close together : de en
  • DE604477C - Control device for high pressure steam generator with low water content : de en
  • DE604579C - Process for the manufacture of glass tubes : de en
  • GB418430A - Improvements in apparatus for treating webs of fabric with steam and air : en
  • DE604590C - Contactor control with the individual contactors upstream timing relays : de en
  • DE604792C - Holding device for exchangeable magazines in firearms : de en
  • FR772352A - New heating process using storage stoves : en fr
  • FR772372A - Ultra-rigid metal carriage system by lateral and longitudinal extensions of the bottom plates for winding looms : en fr
  • AT139117B - Process for the production of objects, in particular structures, with a covered surface. : de en
  • AU1487133A - A machine for filleting fish : en
  • DE604756C - Hydraulic drive for weight-automatic track brakes : de en
  • GB418424A - Improvements in or relating to means for loading and unloading ships : en
  • GB418358A - Improvements in hand-bag frames : en
  • US1977925A - Pressure ratio regulator : en
  • AT139236B - Process for improving the image quality of optical instruments. : de en
  • AT139244B - Device for radioactivation of liquids. : de en
  • DK49440C - Electric fuse wire protection to prevent overheating of electric irons and similar electric heaters. : da en
  • DE604501C - Device for setting the images sharply in cinematographic recording devices : de en
  • FR772063A - Dynamo-electric machine : en fr
  • GB418666A - Improvements in or relating to protective arrangements for electrical power transmission systems : en
  • CA345474A - Wave motor : en fr
  • US1978096A - Hemoglobinometer : en
  • AT139085B - Reclining frame. : de en
  • DE604665C - Electromagnetic pickup and sound recorder : de en
  • BE405822A - : en
  • USD93651S - Design for a hat : en
  • AT139118B - Hollow body made of rubber. : de en
  • US1977830A - Microphonic relay assembly : en
  • USD93660S - Design fob a carton holder : en
  • US1978281A - Sewing machine : en
  • FR772238A - Electric discharge tube mounting device : en fr
  • FR772126A - Surge protection device, for electrical installations : en fr
  • FR772233A - Method and apparatus for the manufacture of bimetallic strips : en fr
  • FR772254A - Advanced dispensing control, especially for dispensing devices : en fr
  • GB418466A - Method and means for soldering and metallising metals : en
  • US1978260A - Dispensing device : en
  • AT139132B - Device for separating sulphurous acid from sulphite waste liquor. : de en
  • DE604460C - Procedure for driving tunnels or channels : de en
  • FR772336A - Meat slicer : en fr
  • GB418531A - Method of and means for driving arbors or spindles for package carriers in apparatusfor cross-winding fibrous materials into cones, cheeses, and such like : en
  • USD93693S - Design fob a cocktail shaker : en
  • US1977881A - Combination day and sleeping railroad coach : en
  • FR772386A - powder case for fabric marking : en fr
  • DE604480C - Wire rope with internal lubrication : de en
  • US1977667A - Stamp collector's album : en
  • US1977888A - Case or carton : en
  • FR772106A - Improvement of special fertilizers for mushroom cultivation : en fr
  • FR772271A - Method and apparatus for defibrating fibrous materials : en fr
  • FR772326A - Improvements made to the manufacture of alkali chlorates by electrolysis and more particularly to that of sodium chlorate : en fr
  • FR772360A - Carapace armor for battle tanks : en fr
  • AT139127B - Process for the production of a disinfecting, dust-free litter for stables. : de en
  • FR772259A - Switches : en fr
  • AT139074B - Manufacture of cells from which cartridge cases and bullet jackets can be cold-pounded. : de en
  • AT139143B - Power supply to the wooden rails of electric rail tracks from wooden construction kit. : de en
  • GB418386A - Improvements in vaporizers for internal combustion engines : en
  • US1978071A - Nitrocellulose composition and process of preparing same : en
  • FR772319A - Cracked Oil Distillate Treatment Method : en fr
  • GB418437A - Improvements relating to rotary printing machines : en
  • DE604612C - Process for the production of lenticular layer carrier copies by optical copying of layer carriers of the same type : de en
  • US1978377A - Oil well gusher control regulator : en
  • GB418550A - Improvements in or relating to the production of filaments, films and the like from vinyl resins : en
  • GB418441A - Improvements in or relating to electric motor controllers : en
  • FR772235A - : fr
  • GB418410A - Improvements in and relating to telegraphic tape printing systems : en
  • FR772343A - Process for reproducing designs or images imitating prints : en fr
  • GB418546A - Improvements in copyholders : en
  • US1977619A - Automatic gauge control system for rolling mills : en
  • FR772334A - Improvements to devices for the production of hot water, for gas, oil and other stoves : en fr
  • FR772377A - Twin filter device for liquid fuel engines : en fr
  • FR772012A - Sound detector device, more particularly applicable to aerophones and underwater listening : en fr
  • GB418344A - A new or improved ladder : en
  • GB418667A - Improvements in colouring organic masses capable of being moulded : en
  • DE604745C - Process for pretreating freshly cut grass and herbs to speed drying : de en
  • GB418574A - A water-proof cover for turbans : en
  • US1977835A - Attachment for radiator valves : en
  • GB418527A - Improvements in or relating to television and like systems : en
  • FR772179A - Optical system intended to improve the efficiency of electric lamps with incandescent, vacuum or gas atmosphere : en fr
  • GB418436A - Improvements in or relating to electrical conversion or transformation systems : en
  • DE604603C - Electric control device for oil-dust burner : de en
  • US1978211A - Flexible hose for fluid pressure systems : en
  • GB418390A - Vehicle suspension : en
  • CA345535A - Paper pulp manufacture : en fr
  • FR772312A - Improvement in the detection mechanism of the weft thread in automatic looms, in several colors : en fr
  • FR772346A - Improvement in the manufacture of fuel agglomerates and resulting agglomerates : en fr
  • GB418521A - Improvements in plate valve or orifice plate fittings for controlling the flow of fluids : en
  • GB418407A - Improvements in and relating to the manufacture of paper and like bags and the like : en
  • DE604720C - Process for the manufacture of pipes with partitions : de en
  • GB418324A - Improved conduit : en
  • US1977755A - Flange and rail lubricator : en
  • DK49412C - Kayak construction. : da en
  • US1977709A - Adjustable die for ornamenting shoe parts : en
  • US1977780A - Fluid pump and motor : en
  • FR772070A - Special button for clothes or others with automatic unbuttoning : en fr
  • DE604576C - Process for the production of resinous condensation products : de en
  • FR772161A - Process for establishing insulated piping systems, and resulting product : en fr
  • GB418582A - Improvements in or relating to variable speed or torque converting gear specially applicable for motor vehicles : en
  • DE604475C - Soot shut-off : de en
  • GB418452A - Improvements in, or relating to, electric cooking stoves : en
  • DE604733C - Device for dissolving and shredding non-metallic materials for paper production : de en
  • US1978000A - Rock sizing and crushing machine : en
  • US1978217A - Breath deodorant : en
  • US1977785A - Automobile storage device : en
  • DE604469C - Protective device for electrical machines and apparatus : de en
  • FR772102A - Method and device for shaping hollow articles of rubber sheet or the like : en fr
  • US1977622A - Method of and bath for anodic treatment of aluminum : en
  • US1978352A - Loose leaf binder : en
  • DE604752C - Coke oven sole : de en
  • FR772134A - Continuous thread surgical needle : en fr
  • DE604508C - Storage for alternators : de en
  • DE604735C - Gliding surface for planing boats or aircraft swimmers : de en
  • GB418591A - Method of and apparatus for pasteurising and deodorising lacteal liquids : en
  • FR772007A - Anhydrous sodium peroxide, naturally or artificially granulated, active or not : en fr
  • FR772096A - Process for separating mixtures into their constituents : en fr
  • US1977705A - Snap switch : en
  • US1977773A - Automatic registering and stopping device : en
  • DE604749C - Dismountable oven : de en
  • US1977839A - Rubber working roll : en
  • GB418349A - Improved method of maintaining a high and dense suspension of crystals and like granular solids in a liquid : en
  • DE604713C - Method for modulating wireless transmitters : de en
  • DE604707C - Process for the production of storage-stable mixed fertilizers containing ammonium nitrate : de en
  • FR772032A - Device allowing rapid and remote control of a device : en fr
  • FR772149A - Air lift with spheres : en fr
  • FR772147A - Improvements to high frequency transmission circuits : en fr
  • FR772201A - Process for the preparation of bituminous oils for road construction : en fr
  • GB418564A - Improvements in devices for obtaining compressed air from the cylinders of internal combustion engines : en
  • FR772048A - Spherical mount for various uses : en fr
  • FR772276A - Carbon black implementation process : en fr
  • GB418365A - An improved process and apparatus for cleaning tin plates : en
  • FR772278A - Method and device for determining the lubricity of oils : en fr
  • US1978123A - Dress former : en
  • DE604785C - Cassette for roll film cameras : de en
  • US1977724A - Torque compensator for rotating wing systems : en
  • CA345495A - Envelope machine : en fr
  • GB418675A - A new or improved spring latch : en
  • GB418740A - Improvements relating to under-and-over sporting guns : en
  • GB418322A - Improvements in apparatus for closing the covers of sheet metal drums or the like containers : en
  • US1977604A - Baby's garment : en
  • US1977654A - Lubricating apparatus : en
  • US1978078A - Method of producing tomato products : en
  • DE604560C - Expansion pulley : de en
  • USD93652S - Design for a sachet powder : en
  • GB418520A - An improved reinforced concrete floor : en
  • US1977623A - Nonremovable receptacle cap : en
  • GB418450A - Improvements in or relating to shoe upper conforming machines : en
  • GB418499A - Improvements in or relating to automatic or semi-automatic pilot for aircraft : en
  • GB418503A - Improvements in and relating to cutlery handle and the like holding tools : en
  • FR772249A - Centrifuge machine : en fr
  • GB418292A - New and useful improvements in furnace construction : en
  • US1977729A - Means for regulating the speed of knitting machines : en
  • US1978293A - Motor road vehicle headlamp : en
  • DE594945C - Propeller : de en
  • GB418745A - Improvements in the sensitisation of photographic emulsions : en
  • GB418483A - Improvements in method and apparatus for bottling carbonated beverages : en
  • DE604677C - Two-stage electrical switch : de en
  • FR772037A - Improvements to remote display devices : en fr
  • DE604519C - Locking device for pneumatic tubes : de en
  • IE13461L - Varnishes : en
  • GB418429A - Improvements in or relating to thermionic oscillation generators : en
  • FR772118A - Improvements to nails or hooks used for closing or assembling wooden boxes or boxes : en fr
  • GB418309A - Improvements relating to vehicles for the transport of refuse or the like : en
  • GB418459A - Improvements in or relating to apparatus for winding or unwinding cables or other flexible elements on or from drums : en
  • FR772185A - : fr
  • GB418560A - Improvements in and relating to the production of ferro-chromium free from carbon : en
  • FR772199A - Baler : en fr
  • GB418497A - Improvements in means for reducing the recoil in guns : en
  • GB418569A - Improvements in optical range-finders : en
  • GB418332A - Improvements in vapour generators intended particularly for mercury : en
  • GB418523A - Improvements in lapping and honing machines : en
  • FR772110A - Method for manufacturing remote transmission cables using tapes of insulating material of different thickness : en fr
  • FR772224A - Infantry Mortar Improvements : en fr
  • FR772227A - Automatic stop device for knitting machine : en fr
  • USRE19346E - Clip for whiting instruments : en
  • FR772275A - Bung can : en fr
  • FR772320A - Automotive Headlamp Lamp Improvements : en fr
  • US1977606A - Coin freed apparatus for discharging measured quantities of liquid : en
  • US1977668A - Winding machine : en
  • US1977684A - Process of producing water gas : en
  • GB418375A - Improvements in or relating to gas burners, particularly for use in street lighting : en
  • GB418372A - Head rests for chairs and the like : en
  • GB418446A - Packing for a rotating shaft relatively to the housing journalling said shaft, more particularly an oil-tight and dust-tight packing for the axle-bearings of rail-vehicles : en
  • FR772089A - Buckle with quick adjustment device for suspenders, suspenders and similar items : en fr
  • FR772113A - Rangefinder : en fr
  • IE13216L - Electrical air heater : en
  • DE604491C - Heat meter : de en
  • FR772104A - Process for igniting combustible mixtures in explosion chambers, particularly combustion turbines : en fr
  • US1977812A - Machine for creasing, slotting, and printing blanks : en
  • US1978072A - Converting hydrocarbon oils : en
  • US1978350A - Automatic convertible feed system : en
  • GB418558A - Improvements in or relating to refrigerating apparatus : en
  • GB418509A - Improvements in and relating to the control of electric motors : en
  • GB418515A - Improvements in jointing or coupling devices for flexible driving belts : en
  • US1977607A - Flour sifter or the like : en
  • USD93691S - Design fob a bottle : en
  • CA345485A - Moulding and packing machine : en fr
  • US1977833A - Automobile lift and parking apparatus : en
  • DE604494C - Switching device for actuating electric starter motors of internal combustion engines : de en
  • FR772176A - Device for towing vehicles : en fr
  • DE604723C - For the storage of bedding, clothes or the like. Serving accessory part of bedsteads : de en
  • AU1697034A - Improvements in or relating toa coating device particularly for spreading aqueous dispersions of rubber andthe like : en
  • CA345452A - Cellulose derivative product manufacture : en fr
  • US1977613A - Street lighting luminair : en
  • US1978034A - Method for spraying liquids : en
  • US1978210A - Tool : en
  • DE604708C - Clamp, especially for attaching cross wires to suspension wires or suspension ropes for contact lines with flat chain suspension : de en
  • GB418261A - Improvements in coin controlled mechanism for prepayment meters : en
  • DE604305C - Self-seller for gas, water or electricity with basic fee collection : de en
  • FR772195A - Scissor folding and unfolding camera : en fr
  • GB418242A - Improvements relating to electric liquid heaters : en
  • GB418346A - Improvements in combined shuttle and needle mechanism for looms : en
  • GB418313A - Improvements in and relating to supports for the roofs of mine galleries and for similar purposes : en
  • GB418543A - Improvements in or relating to power transmission gear for motor vehicles : en
  • GB418416A - Improvements in folding beds : en
  • US1977679A - Box : en
  • US1977768A - Process for manufacturing perylene : en
  • US1977869A - Collapsible container : en
  • US1978069A - Producing diphenyl : en
  • US1978271A - Gauge locking device : en
  • DE604502C - Procedure for drawing in water at great heights : de en
  • AT139198B - Suction cups, in particular for wine barrels. : de en
  • US1977814A - Mechanical spinning toy : en
  • DK49419C - Electron tube with a cathode, an outer electrode and four lattice electrodes lying in between. : da en
  • FR772074A - Fasteners for sheet material and machine for fitting these fasteners : en fr
  • FR772144A - Improvements to itinerant advertising systems by illumination using rare gas tubes : en fr
  • FR772189A - Process for preparing products of polymerization of diolefins : en fr
  • FR772317A - Industrial product consisting of a bouquet holder whose cups form supports : en fr
  • FR772380A - Transformable jewel : en fr
  • DE604750C - Schraemseil with spaced schraem tools : de en
  • GB418354A - Bathing purse : en
  • DE604715C - Portable reflector with mirrors rotatably mounted at the end of an insulating rod : de en
  • US1978165A - Process of manufacture of selenium tubes : en
  • AT139237B - Circuit for protective grid tubes. : de en
  • US1977805A - Printing of charts : en
  • CA345489A - Auto top material : en fr
  • USD93688S - Design for a bottle : en
  • CA345479A - Foodstuff preservation : en fr
  • DE604497C - Wind instrument : de en
  • DE604672C - Episcopic projection device : de en
  • US1978055A - Vehicle frame : en
  • US1978104A - Inflating and life saving device : en
  • US1977757A - Swivel connection for electric cords : en
  • US1977904A - Rear view mirror : en
  • US1978315A - Valve-grinding machine : en
  • AT139145B - Grain peeling machine with suction. : de en
  • AT139078B - Process for the production of iron railway sleepers with elevations, in particular transverse ribs. : de en
  • AT139136B - Die setting and line casting machine. : de en
  • AT139197B - Method and device for drawing the attention of the public to the sale of a specific commodity. : de en
  • USD93654S - Design for a hat : en
  • DE604553C - Closure for shaft openings of mining systems with a run-up rail in the shaft, in which a sliding door and a cross bar are influenced by the conveyor basket : de en
  • DE604577C - High current switch : de en
  • DE604673C - Eyeglass frame : de en
  • FR772387A - Plant for the preparation of carbonic acid : en fr
  • CA345561A - Voltage regulating device : en fr
  • US1977916A - Brake mechanism : en
  • US1977912A - Automatic clutch control : en
  • US1977741A - Glassware forming machine : en
  • US1978121A - Apparatus for equalizing enamel coatings : en
  • US1977747A - Grinding machine : en
  • US1978256A - Support for hair curlers : en
  • DE604546C - Device to avoid brush fire and falling out of step with synchronous AC DC converters with commutator : de en
  • CA345494A - Clutch : en fr
  • DE604648C - Toggle switch with spring-loaded contacts : de en
  • AT139247B - Electrolytic cell, especially capacitor. : de en
  • DE604554C - Water duct for bricks with four-fold corner coverage : de en
  • DE604572C - Thread tensioning device for package winding machines with gradual pressure reduction : de en
  • US1977743A - Glassware forming machine : en
  • AT139185B - Procedure and equipment for furnaces to achieve complete combustion. : de en
  • AT139054B - Television system. : de en
  • DE604668C - Method of making records : de en
  • US1977646A - Method of etching planographic plates and composition therefor : en
  • US1978113A - Washing machine agitator : en
  • DE604565C - Suction box in connection with a pair of press rollers for dewatering paper webs o. : de en
  • GB418345A - Power operated shunting gear for rolling stock : en
  • US1978357A - Fuel distributing mechanism : en
  • CA345532A - Bakery product : en fr
  • AT139182B - Electric heating device, in particular hotplate. : de en
  • DE604261C - Accordion : de en
  • CA345540A - Hydrocarbon gas polymerization : en fr
  • CA345502A - Animal fibre protecting compound : en fr
  • CA345548A - Foam applicator : en fr
  • FR772023A - Improvement in the deposition of metallic substances or compounds on the surface of vitreous or vitrified bodies : en fr
  • AT139199B - Packing machine. : de en
  • GB418295A - Improvements in and relating to the manufacture of substantive dyestuffs : en
  • USD93690S - Design fob a bottle : en
  • DE604618C - Sausage filling device : de en
  • DE604593C - Fuse cartridge holder with several separate holes for fuse cartridges of different operating voltages : de en
  • AT139057B - Rolling mill for the continuous production of vertically rising transverse projections on rod-like metal pieces. : de en
  • US1977956A - Method and apparatus for making glass cane : en
  • US1978230A - Golf bag supporting means : en
  • US1978325A - Window channel : en
  • AT139095B - Cooking trays for rectifiers. : de en
  • US1978115A - Single contact electric socket : en
  • DE604724C - Protection wall for toilet seats and lids : de en
  • DE604556C - Apparatus for determining the water content of substances through the decomposition of water : de en
  • DE604598C - Electric vehicle headlights : de en
  • US1977883A - Lighting fixture support : en
  • US1977918A - Elevator control system : en
  • US1977930A - Dolly construction : en
  • US1977878A - Carpenter's tool : en
  • FR772139A - Hollow gravity dam system : en fr
  • AT139149B - Brake for skis and sled vehicles. : de en
  • DE604757C - Arrangement for regulating the working speed of systems working according to the walking-standing method : de en
  • AU1414933A - Improvements in or relating tothe manufacture of rubber threads : en
  • FR772252A - Process for preparing cellulose ester solutions : en fr
  • GB418227A - Improvements in or relating to perforated record-cards : en
  • GB418395A - Improvements in and relating to fuel burners : en
  • AT139141B - Corn harvester. : de en
  • AT139169B - Swimming aids. : de en
  • AU1597634A - Improvements in or relating to telephone instrument circuits : en
  • US1978010A - Dewaxing of oil : en
  • US1978320A - Method for producing stabilized : en
  • FR772090A - Drawbridge : en fr
  • US1977682A - Needle bar : en
  • US1977735A - Luggage and trunk carrier : en
  • DE604467C - Overburden recovery and conveyor system : de en
  • US1977968A - Glass furnace : en
  • US1978169A - Steel wool and soap cleaning pad : en
  • CA345530A - Window channel : en fr
  • DE604728C - Area measuring machine : de en
  • US1977655A - Tail gate elevator : en
  • US1978241A - Device for securing a head to a barrel : en
  • US1978193A - Cosmetic container : en
  • US1977938A - Spark plug : en
  • US1977949A - Propulsion means : en
  • US1977977A - Dishwashing machine : en
  • DE604774C - Process for making a soap-free shaving agent : de en
  • CA345555A - Travelling case : en fr
  • DE604682C - Cushioning, especially for motor vehicles : de en
  • DE604765C - Encapsulated switchgear with horizontally extendable switchgear for multiple busbars : de en
  • FR772400A - double folding ladder : en fr
  • GB418511A - Improvements in or relating to fluid pressure valves : en
  • DE604462C - Method for manufacturing shoe insoles : de en
  • CA345493A - Venetian blind device : en fr
  • US1978101A - Bobbin : en
  • FR772196A - Interchangeable hollow blade razor : en fr
  • GB418222A - Improvements in and relating to mechanism for operating the brakes of trailer vehicles : en
  • FR772071A - Three-way valve device : en fr
  • GB418381A - Azo dyes : en
  • DE600079C - Chucks for machine tools : de en
  • DE604633C - Disk gas container, the disk of which is guided by ropes : de en
  • US1978083A - Sulphur dyes, and process of making same : en
  • US1977857A - Mattress tufting machine : en
  • FR772384A - Improvements to ball games with table : en fr
  • US1978012A - Art of building construction : en
  • DE1316032U - : de en
  • FR772188A - Box for transporting bottles : en fr
  • FR772206A - Refinement of devices giving the time base in oscillographic observations and the like : en fr
  • DE604623C - Process for preparing the dredged material to a pumpable mixture on a bucket-chain floating excavator : de en
  • FR772373A - Improvements in the manufacture of elastic elements of cellular rubber : en fr
  • US1977715A - Structural member : en
  • US1978312A - Motorcycle frame : en
  • FR772022A - Device for atomizing activated liquids and dry blowing of air or other activated gas : en fr
  • DE604574C - Form rolling mill for speculoos and similar workpieces made of dough, marzipan or the like. : de en
  • FR772066A - Method and device for giving direction to an airplane : en fr
  • US1978200A - Electrostatic acoustic device : en
  • DE585524C - Secret telegraphy with encryption and decryption devices running synchronously at the sending and receiving points : de en
  • DE604526C - Protective relay with an excitation device that depends on a mains voltage : de en
  • FR772039A - Ball game device : en fr
  • GB418260A - Improvements in devices for cleaning the cylinders and doffers of carding engines : en
  • GB418366A - Improvements in and connected with variable gears : en
  • GB418458A - Process for the manufacture of azo dyestuffs : en
  • US1978191A - Regenerative furnace : en
  • FR772223A - Billiards : en fr
  • US1978374A - Milling machine : en
  • FR772302A - Hair-active agents, in particular wetting, washing, purifying, detergents, emulsifiers and dispersants : en fr
  • DE604656C - Drying bed arrangement : de en
  • FR772167A - Aircraft brake improvements : en fr
  • GB418665A - Improvements in or relating to lift or hoist arrangements : en
  • US1977674A - Handle : en
  • DE604621C - Process for producing colored images on transparent glass plates or films : de en
  • DE604725C - Movement device for doors of lifts : de en
  • US1977816A - Combined flower vase holder and candlestick : en
  • US1977856A - Mattress tufting machine : en
  • GB418537A - Improvements in or relating to electric tumbler switches : en
  • US1977826A - Compositions of matter and methods : en
  • GB418563A - An injector for delivering against high pressure : en
  • US1977702A - Chair : en
  • US1977802A - Garment and method of making the same : en
  • US1978345A - Air inflating device : en
  • US1978388A - Heat producing composition and method of chemically generating heat : en
  • AT139065B - Heat sensor for heat regulator. : de en
  • AT139100B - Process for the treatment of objects made of aluminum and aluminum alloys coated with oxide. : de en
  • DE604768C - Maintaining the readiness for parallel switching between several AC power distribution networks : de en
  • US1977788A - Dumbwaiter or other like door : en
  • US1977962A - Tamperproof seal for bottles : en
  • US1978355A - Traverse motions for blamires lappers : en
  • DE604661C - Cylinder angle tester : de en
  • GB418473A - Improvements in transformers combined with load elements such as x-ray devices : en
  • CA345518A - Fuse changer : en fr
  • FR772353A - Aircraft and seaplane training : en fr
  • GB418393A - Purses : en
  • US1977669A - Roof : en
  • GB418533A - An improved method for the production of coated paper : en
  • GB418556A - Improvements in or relating to rotary valves for internal combustion engines : en
  • GB418330A - Improvements in or relating to sound recording lamps and circuits therefor : en
  • GB418367A - Manufacture of colouring matters of the phthalocyanine series : en
  • DE603787C - Process for producing veneers of any width : de en
  • GB418402A - Arrangement of swinging half-axles for motor vehicles : en
  • US1977997A - Control system : en
  • US1978311A - Electric clock : en
  • US1978040A - Process for maintaining the sprinkling capability of finely granular table salt : en
  • FR772222A - Automatic billiard cue : en fr
  • GB418239A - Improvements in latches or fasteners for garage doors, gates, and such like : en
  • FR772282A - Rail repair process, especially at welded joints : en fr
  • US1978280A - Knitted stocking : en
  • FR772158A - Bucket for crane : en fr
  • GB418254A - Improvements in cardboard and the like boxes : en
  • FR772079A - Over-current electromagnetic circuit breaker : en fr
  • US1977952A - Cutting and grinding disk : en
  • US1978174A - Bookstack and analogous structure : en
  • US1978224A - Line protecting device : en
  • US1978125A - Art of insulation and fireproofing : en
  • US1978219A - Method of treating metallic materials : en
  • FR772093A - : fr
  • FR772379A - Tubular chain with limited flexion : en fr
  • US1978255A - Transmission circuit : en
  • FR772364A - Stretch press for the manufacture of tubes : en fr
  • GB418461A - Improvements relating to direct electric current transformer devices : en
  • DE604555C - Process for achieving high yield strength and tensile strength values while maintaining an elongation of at least 10% when refining aluminum alloys : de en
  • DE604767C - Electric fluid safety : de en
  • FR772006A - Landing means for aeronautical machines : en fr
  • DE604783C - Sound post for hand harmonics : de en
  • DE604587C - Process for working with organic substances in dissolved form : de en
  • AT139175B - Securing of passenger cable car against lifting off. : de en
  • AT139230B - Process for the production of a strap to be used as shoe fitting. : de en
  • CA345457A - Seat with adjustable back : en fr
  • CA345508A - Engine fuel supplying device : en fr
  • US1978143A - Windmill driven generator : en
  • USRE19347E - Spring construction and method of : en
  • AT139243B - Radium cell. : de en
  • GB418443A - Improvements in or relating to electro-magnetic brakes : en
  • AT139102B - Process for melting textile materials. : de en
  • US1977895A - Front wheel brake control : en
  • CA345451A - Cellulose derivative product manufacture : en fr
  • AT139072B - Method and device for the production of unwelded chains. : de en
  • AT139217B - Shaft furnace. : de en
  • AT139228B - Device for the production of pipes or the like from concrete or similar masses. : de en
  • US1977815A - Industrial truck : en
  • CA345528A - Oven lighter : en fr
  • US1977898A - Foam indicating apparatus for steam boilers : en
  • AT139056B - Drain valve, especially for low-hanging cisterns. : de en
  • US1977658A - Chuck : en
  • AU1478033A - Process of recovering zircon, rutile and ilmenite from rare earth sands : en
  • AT139212B - Translucent cover with labels, scales or the like. : de en
  • DE604659C - Rotary kiln : de en
  • CA345503A - Cement manufacture : en fr
  • AT139140B - Method and machine for the production of images and fonts by photographic means. : de en
  • CA345499A - Last rebuilding method : en fr
  • AT139238B - Process for the production of an absorbable suturing and dressing material for surgical purposes. : de en
  • FR772248A - Device for obtaining a combined crossing for making up the spools of threads : en fr
  • GB418231A - Copper alloy : en
  • US1977941A - Pump for granular paste-like materials such as concrete : en
  • US1977974A - Apparatus for the directional transmission or reception of wave energy : en
  • FR772237A - Improved apparatus for incorporating radium emanations into water or other liquids : en fr
  • FR772072A - Electric cable and installations including application : en fr
  • FR772338A - Hydraulic press for dental prosthesis : en fr
  • FR772247A - Tube holder for silk and cotton threads : en fr
  • FR772166A - Pneumatic tube postal transport installation receiver : en fr
  • AU1766534A - Improvements in foam indicating apparatus for steam boilers : en
  • CA345506A - Light signal unit : en fr
  • FR772335A - Electric capacitor : en fr
  • DE604703C - Process for the preparation of an oxyketone of the formula C H O : de en
  • AU1472933A - Improvements in rivet setting machines : en
  • US1978206A - Welded railway truck : en
  • FR772363A - Improvements to folding boxes : en fr
  • GB418403A - Improvements in or relating to the electrical precipitation of suspended particles from gaseous fluids : en
  • US1977609A - Amusement device : en
  • US1978016A - Control apparatus for pumps : en
  • USD93679S - Design for a bottle : en
  • GB418518A - Improvements in and connected with apparatus for the centrifugal treatment of oils to be purified : en
  • US1978197A - Manufacture and application of special pigments suited for the coloring of rubber : en
  • FR772321A - Camp trunk : en fr
  • GB418267A - Improvements in and relating to means for introducing into distribution systems frequencies differing from that of the system : en
  • DE604548C - Arc lamp set of rules with circuit breaker for the shunt coil : de en
  • DE604761C - Support clamp for self-supporting aerial cables and ropes with clamping chucks : de en
  • GB418325A - Method of making sodium ethyl oxalacetate and the product thereof : en
  • US1977934A - Rotary ventilator : en
  • US1978167A - Coin controlled vending machine : en
  • FR772430A - : fr
  • GB418255A - Improvements in or relating to the production of pure carbon dioxide and pure sulphur dioxide : en
  • GB418340A - Improvements in and relating to devices for use in drawing sliver, roving and like fibrous material : en
  • FR772107A - Transformer of mechanical movements, progressive and automatic at 100%. 100 : en fr
  • FR772298A - Smoke-free chipboard : en fr
  • FR772191A - Improvements to sheet-filling devices : en fr
  • GB418470A - Improvements in portable electric battery lamps, particularly torches : en
  • US1977714A - Bobbin : en
  • FR772359A - Luminescent fabrics and their manufacturing processes : en fr
  • GB418516A - Improvements in or relating to means for conveying materials in the form of long webs or sheets : en
  • GB418669A - Improvements in or relating to the production of reinforced shoe insoles, and machines therefor : en
  • DE604520C - Device to avoid water consumption in shipping locks : de en
  • GB418535A - Improvements in or relating to the manufacture of padding or stuffing for upholstery : en
  • GB418593A - Improvements in feedwater heating and supply plant for steam boiler plant : en
  • FR772014A - Improvements to the support parts of spinning machine spindles and their manufacturing process : en fr
  • FR772034A - Ultra-fast and rapid double filtration process for water : en fr
  • GB418587A - Gear changing on motor vehicles : en
  • FR772036A - Toggle switch : en fr
  • DE604658C - Push button control for elevators : de en
  • FR772270A - Improvements to pliers, forceps, shears, forceps and similar instruments : en fr
  • GB418385A - A process for the manufacture of para (or 2.5) diketocamphane carboxylic acid and related acids : en
  • FR772049A - Improvements to glazing frames : en fr
  • GB418530A - Improvements relating to cowling for use in connection with internal combustion engines : en
  • US1977661A - Carburetor : en
  • FR772057A - New combination of means allowing the obtaining of light effects changing at each moment in synchronism with the music : en fr
  • AT139103B - Rotating muffle furnace for carrying out endothermic processes etc. : de en
  • CA345546A - Pour point depressant for lubricating oils : en fr
  • US1977892A - Self-grinding valve : en
  • US1978221A - Method of and apparatus for treating metallic materials : en
  • US1977627A - Process of producing diphenylolpropane : en
  • AT139233B - Roller for processing plastic materials. : de en
  • GB418514A - Improvements in or relating to impact breaking machines : en
  • FR772255A - Process for converting high boiling point hydrocarbons into more volatile hydrocarbons : en fr
  • GB418360A - Improvements in or relating to the manufacture of substantive azo dyestuffs : en
  • GB418237A - Improvements in or relating to flexible driving shafts for massaging devices and thelike : en
  • GB418323A - Improvements in or relating to hack saws : en
  • FR772292A - Improvements to knurled cylindro-conical barrels of one-piece cylindrical body : en fr
  • FR772285A - Method for operating an electric discharge tube : en fr
  • FR772256A - Transmission system for multiple carrier AC transmissions : en fr
  • GB418314A - Improvements in or relating to apparatus for use in intermittently dispensing liquids : en
  • DE604642C - A steam system consisting of a steam generator with low fluid content and a steam engine system with preheating of the feed water by introducing extraction steam into a feed water preheater : de en
  • DE604775C - Furniture, in particular table or lectern furniture, with several vertical supports formed by metal tubes or rods : de en
  • US1978066A - Propulsion device for vehicles : en
  • US1978391A - Padlock : en
  • AT139109B - Process for the preparation of optically active 1-phenyl-2-aminopropanolen- (1). : de en
  • DK49416C - Electrically Conductive Coating for Electrically Conductive or Non-Conductive Bodies. : da en
  • GB418565A - Improvements in and relating to fuel injection pumps for internal combustion engines : en
  • DE604794C - Fan burner for cleaning encrusted metal surfaces : de en
  • US1977642A - Compositions of matter : en
  • DE604711C - Multiple brushes for self-connecting telephone systems : de en
  • US1977954A - Magnetic compass : en
  • DE604653C - Device for automatic temperature control of electric ovens : de en
  • US1977633A - Process for producing alcohols : en
  • CA345557A - Cellulose derivative solvent : en fr
  • US1978117A - Single and double contact electric socket : en
  • FR772210A - Improvements made to articulated joints : en fr
  • GB418312A - Improvements in bricks or blocks for building cavity walls : en
  • US1977758A - Sanitary closet : en
  • DE604431C - Device for determining the astigmatism of the eye with a disc that can be rotated within a fixed graduation with curved arcs running against each other : de en
  • DE604522C - Device for cutting double-pile fabrics for looms : de en
  • GB418526A - New or improved automatic calendar : en
  • AT139162B - Metal spoke wheel for wagons, carts or the like. : de en
  • DE604539C - Device to avoid non-linear distortion : de en
  • US1977928A - Cream process : en
  • US1977948A - Mop cloth : en
  • US1978001A - Spinning and twisting machinery : en
  • DE604534C - Handle attachment for brooms, scrubbers, etc. like : de en
  • DE604586C - Device for operating doors swinging around an axis from Schraegkammeroefen u. like : de en
  • US1977986A - Cut-off for cigarette-making machines : en
  • US1978237A - Leakproof holding member for roofing : en
  • DE604468C - Kuepen and sulfur dye preparations : de en
  • DE604734C - Playback device : de en
  • CA345500A - Liquid recovery : en fr
  • US1978127A - Inlet damper : en
  • US1978232A - Pump : en
  • US1977873A - Lubricant compressor : en
  • US1978056A - Feeding device for envelope folding machines or the like : en
  • US1978058A - Variable stroke lever engine : en
  • US1978378A - Oil well gusher control regulator : en
  • US1978108A - Grid winding machine : en
  • US1977676A - Novel mechanism and method for producing special loop formations in knitted fabrics : en
  • US1977689A - Optical system : en
  • AT139101B - Denaturant for alcohol. : de en
  • AU1796034A - Process and apparatus for carrying out conversions energy : en
  • US1978250A - Motion picture projection method and apparatus : en
  • US1978289A - Collapsible shoe rack : en
  • GB418229A - Improvements in and relating to water motors of the oscillatory type : en
  • GB418529A - Improvements relating to temperature control of furnaces, ovens and the like : en
  • DE604507C - Device for regulating the swinging movement of pillion seats : de en
  • GB418311A - Improvements in and relating to liquid level gauges, manometers, and like devices : en
  • DK49417C - Ointment for Smelly Transpiration. : da en
  • US1977647A - Bag making machine : en
  • US1977804A - Trimming machine : en
  • US1978154A - Dispensing container for coiled paper : en
  • US1978220A - Method of and apparatus for treating metallic materials : en
  • US1977701A - Wheel and method of making the same : en
  • US1977738A - Heat regulator for heat exchange systems : en
  • US1978245A - Hose coupling : en
  • US1977984A - Tobacco feeding mechanism of cigarette-making machines : en
  • US1978258A - Apparatus for rotating hanks during dyeing finishing, and the like : en
  • US1977994A - Filler feed for cigar machines : en
  • AT139129B - Moth repellent. : de en
  • AT139214B - Device for collars or for shirts with removable collars. : de en
  • DE604514C - Skylight opener : de en
  • FR772077A - Hanging device for hanging leaf filing : en fr
  • US1978095A - Bottle capping machine : en
  • US1977983A - Hat : en
  • AT139205B - Emergency call device for the automatic transmission of a call on telephone lines. : de en
  • US1977752A - Internal combustion engine : en
  • US1977688A - Permanent color gaseous conduction tube : en
  • DE604541C - Tape winder for wrapping electrical cables : de en
  • US1977615A - Magnetic steering indicator : en
  • US1977946A - Apparatus for connecting together individual articles : en
  • GB418200A - Improved method of and apparatus for disinfecting or fumigating : en
  • GB418576A - An improved firegrate : en
  • AT139075B - Collapsible backrest for lying mats. : de en
  • US1977832A - Method and apparatus for the production of music : en
  • DE604727C - Barrel stave for barrels, vats, etc. like : de en
  • US1978264A - Seesaw : en
  • AT139167B - Override circuit. : de en
  • US1977868A - Process of making bricks : en
  • DE604459C - Process for the preparation of high-melting derivatives of synthetic resins : de en
  • DE604600C - Electric sodium vapor arc lamp with glow cathode : de en
  • US1977727A - Fluid operated ptjmp : en
  • US1977894A - Game : en
  • US1977917A - Hose coupling : en
  • US1977950A - Variable-speed electric motor : en
  • DE604481C - Slow-burning stove : de en
  • DE604702C - Tab for guide cards, which consists of two loose, interlocking labels : de en
  • US1977733A - Lip stick holder : en
  • US1977979A - Production of resinous condensation products : en
  • US1978186A - Bearing retaining means : en
  • US1978348A - Lubricator : en
  • US1977686A - Feed for knitting machines : en
  • GB418427A - Improvements in and relating to rotary conveying apparatus : en
  • GB418559A - Improvements relating to the manufacture of footwear : en
  • GB418388A - Manually operable selectors suitable for use in intercommunicating telephone systems : en
  • GB418339A - Improvements in or relating to trousers, knickers and like garments : en
  • US1978002A - Filling machine and method of filling containers : en
  • US1978342A - Device for pushing sheets from mechanical catchers for rolling mills : en
  • FR772243A - Wheel : en fr
  • DE604646C - Device for secret image transmission in which the image cylinders are driven with changing speed : de en
  • FR772026A - Method for achieving precise control of the ignition of arcs in electric discharge valves in ionized gases or vapors : en fr
  • GB418272A - Improvements in braiding machines : en
  • FR772061A - Process for obtaining pulverulent preparations, products obtained by this process and their applications : en fr
  • FR772163A - Distributor of stickers such as stamps, labels, etc. : en fr
  • FR772268A - Removable auxiliary cushions for billiards with retractable balls : en fr
  • US1977813A - Instrument : en
  • US1978076A - Multiple plug and receptacle : en
  • USD93656S - Design for a registering instrument : en
  • AT139144B - Mower. : de en
  • US1978140A - Boot : en
  • FR772054A - electrode for the precise control of the ignition of arcs, by corona, in electric discharge valves in ionized gases or vapors : en fr
  • US1977650A - Cleaning machine : en
  • US1977792A - Starch tabling system : en
  • GB418790A - Improved process and apparatus for treating exhaust gases from internal combustion engines : en
  • US1977897A - Loose leaf binder : en
  • US1977786A - Brake booster : en
  • US1978037A - Method and apparatus for electrodeposition : en
  • US1978170A - Material handling truck : en
  • US1978334A - Signal : en
  • US1977793A - Inking mechanism : en
  • US1977840A - Production hoist : en
  • US1978081A - Drying cylinder : en
  • US1977635A - Process for the catalytic hydration of olefines : en
  • DE604453C - Navigation device : de en
  • FR772097A - Any kind of bag with interior lighting : en fr
  • GB418256A - Improvements in and relating to frame structures for vehicles, marine vessels and aircraft : en
  • GB418570A - Improvements in and relating to an arc switching device for alternating current switches, fuses or the like : en
  • FR772293A - Improvements to metal drums, substantially cylindrical, allowing total pumping of the liquid contained : en fr
  • US1978285A - Inking mechanism : en
  • US1978093A - Apparatus for operating doors : en
  • FR772318A - Closure for malleable tubes and similar compressible containers : en fr
  • FR772150A - Absorption refrigerator unit with intermittent or reversible operation : en fr
  • GB418377A - A new or improved gyroscopic instrument for aircraft and the like : en
  • FR772215A - Adjustable and removable support for dust collection hood : en fr
  • FR772245A - Brake device for theater, cinema, concert chairs, etc. : en fr
  • GB418566A - Improvements in and relating to the adjustment of mirror-screws : en
  • GB418572A - Improvements in and relating to means for comparing and measuring the degree of lubrication of textile threads and filaments : en
  • DE604759C - As a supply line for pupin coil boxes or the like serving rubber core : de en
  • US1978308A - Flat hosiery frame : en
  • CA345525A - Tuning indicator : en fr
  • FR772018A - Process and installation for the treatment of deteriorating organic substances used in the preparation of opotherapeutic or similar cachets : en fr
  • DE604717C - Voltage regulating transformer : de en
  • GB418428A - Improvements in or relating to the bodies of railway passenger carriages, and similar vehicles : en
  • FR772114A - Method and device for carbonization of tissue : en fr
  • US1977677A - Electrical connecter : en
  • US1978373A - Milling machine : en
  • GB418320A - Improvements in or relating to cooling towers : en
  • USD93680S - Design for a bottle : en
  • US1977907A - Pressure regulating apparatus : en
  • US1978031A - Globe holder : en
  • US1978229A - Bolt and nut connection : en
  • GB418389A - Improvements in shafts for golf clubs and the like : en
  • US1978368A - Drilling machine : en
  • US1978223A - Spinal massage apparatus : en
  • USRE19351E - Fitting for containers : en
  • US1978273A - Noiseless dumb waiter system : en
  • US1978299A - Tray for supporting an ice cube breaker and an ice cream freezer : en
  • CA345463A - Bathroom scale : en fr
  • CA345515A - Knitting mechanism : en fr
  • US1977720A - Web delivery apparatus : en
  • AU1751334A - Improvements in plate cylinders for rotary printing presses : en
  • DE604511C - Pistons for sausage filling devices : de en
  • US1978286A - Radio audible signals : en
  • US1978318A - Arc welding flux : en
  • USD93697S - Design for a service station building : en
  • US1978006A - Bit : en
  • US1978107A - Game or puzzle : en
  • US1978202A - Portable electric lamp : en
  • AT139209B - Grooving device for making grooves in shoe soles. : de en
  • AT139067B - Method for measuring the sound insulation of walls, doors, windows, ceilings, etc. like : de en
  • US1977696A - Article conveying apparatus : en
  • US1978282A - Process and apparatus for producing cut and folded labels : en
  • GB418394A - Device for discharging pasty, viscous or liquid substances : en
  • DE604478C - Device for automatic feeding of the leaves for deflashing machines : de en
  • GB418253A - Improved manufacture of composite paper : en
  • GB418742A - Improvements in or relating to machines for grinding, polishing and similar treatment of work-pieces : en
  • FR772011A - Steel for the manufacture of armor-piercing projectiles and its heat treatment process : en fr
  • DE604543C - Branch insulator for low voltage lines : de en
  • DE604622C - Running horse or running animal figures : de en
  • US1977846A - Butt welded end fitting : en
  • US1978098A - Smoothing device : en
  • US1978252A - Flaw detector for boiler welds : en
  • US1977931A - Reader's line guide : en
  • CA345539A - Olefin polymerization : en fr
  • FR772309A - Multi-supplier knitting loom : en fr
  • US1978322A - Train order holding and delivering structure : en
  • GB418432A - Improvements in or relating to calendering machines : en
  • GB418406A - Improvements in and relating to winding cops : en
  • DE604688C - Stand for fountain pen : de en
  • DE604777C - Device for drawing large circular arcs : de en
  • GB418266A - Improvements in and connected with rear wheel axle suspensions for motor road vehicles : en
  • US1978251A - Lighting appliance : en
  • GB418310A - Improvements in or relating to arrangements for the control of power factor of electric circuits : en
  • CA345469A - Petroleum refining method : en fr
  • AT139116B - Process for the production of porous or microporous goods from vulcanized rubber or the like. : de en
  • AT139068B - Suspension bracket for curtains, curtains or the like with fixed sliding bodies guided on the lower flange of a profile rail. : de en
  • CA345454A - Display stand and shipping case : en fr
  • DE604751C - Schraem and slitting machine : de en
  • US1978131A - Thermostatically controlled valve : en
  • AT139064B - Liquid measuring device with one or more, in particular with two alternately filled and emptied measuring vessels. : de en
  • AU1531133A - Improvements in or relating tothe manufacture of rubberbands rings andthe like : en
  • CA345523A - Electron discharge device : en fr
  • CA345544A - Hydrocarbon oil stabilization : en fr
  • US1978366A - Coal mining machine : en
  • GB418226A - Improvements in the manufacture of textile materials : en
  • AT139071B - Device for measuring the temperatures of surface layers of electrically conductive bodies. : de en
  • CA345533A - Flour for baking : en fr
  • DE604610C - Device for reading coffee beans or the like with a stationary reading table and a distribution funnel that is moved to and fro : de en
  • GB418469A - Improvements in the manufacture and production of polymerisation products : en
  • AT139083B - Magazine for the automatic delivery of parts. : de en
  • AT139123B - Continuous process for the destructive hydrogenation of high-boiling hydrocarbons or their derivatives. : de en
  • CA345559A - Railway car coupler : en fr
  • US1977740A - Multicylinder oscillating pump or compressor : en
  • AT139180B - Electric radiator. : de en
  • CA345447A - Butter cutting and printing machine : en fr
  • DE604596C - Arrangement for synchronization : de en
  • DE604619C - Razor with exchangeable, hollow-ground blade : de en
  • CA345483A - Loom mechanism : en fr
  • US1977789A - Opening device for fluid containers : en
  • US1978272A - Bottle cap and opener : en
  • US1977827A - Selfwatering flower vessel : en
  • US1977975A - Window : en
  • US1978304A - Nonrefillable bottle : en
  • FR772094A - Removable letter board for advertising : en fr
  • AT139150B - Washer for potatoes and other fruits. : de en
  • CA345456A - Variable speed transmission : en fr
  • CA345549A - Glue film manufacture : en fr
  • AT139152B - Device for connecting the straps to the tensioner of ski bindings. : de en
  • DE604787C - Device for torsion-free storage of an impeller, especially for motor vehicles : de en
  • DE604710C - Circuit arrangement for multiple signal transmission with inertia-free cyclical switching on and off of the transmission channels : de en
  • AT139126B - Process for the production of fabrics with rubber coatings. : de en
  • AT139168B - Control valve for automatic venting of rooms that are only temporarily pressurized. : de en
  • GB418481A - An improved process for polymerising monomeric aldehyde sugars (aldoses) : en
  • DE604525C - Magnet system for electrical releases : de en
  • US1977862A - Extractor : en
  • DE604639C - Process for the preparation of unsymmetrical thioureas : de en
  • DE604551C - Oil firing with a fuel tank upstream of the burner device containing a heating resistor : de en
  • DE604512C - Safety lock with circular tumblers that can be classified using a key : de en
  • DE604638C - Process for the preparation of 3-AEthoxy-4-oxybenzaldehyde : de en
  • US1978184A - Automatic volume control : en
  • DE604498C - Process for the production of fruit and plant essences : de en
  • GB418471A - Improvements in battery-operated pocket lamps : en
  • FR772200A - Oscillating armature motor : en fr
  • US1978038A - Slide rule : en
  • GB418462A - Improvements relating to drying apparatus : en
  • FR772002A - Production of disulphides : en fr
  • FR772068A - Process of toning by sulfurization of photographic prints by development : en fr
  • US1977861A - Method of making bushings for electric conduits : en
  • US1977996A - Bird cage : en
  • GB418400A - Improvements in or relating to coupling devices for trailers : en
  • DK49418C - Method of Making Photographic Prints Using Ultraviolet Beams and Materials of Execution. : da en
  • FR772140A - Waterproof cover for accumulator or electric battery : en fr
  • FR772156A - Improvements in the manufacture of motor gasoline : en fr
  • FR772226A - : fr
  • DE604611C - Process for the production of double-cut round and half-round files : de en
  • DE604666C - Electromagnetic sound recorder or pickup : de en
  • FR772040A - Ball game device : en fr
  • GB418351A - Insulated electrical conductor : en
  • GB418567A - Improvements relating to light projectors with total occultation : en
  • FR772132A - Lighters improvements : en fr
  • FR772303A - Cooling device for closed electric motors : en fr
  • US1977951A - Fuel saver for hard coal burners : en
  • FR772025A - Method of construction of cylinders for heat engines : en fr
  • FR772324A - Improvements to clocks and similar devices : en fr
  • FR772327A - Equifocal objective : en fr
  • FR772212A - Urban waste disposal and sanitation system : en fr
  • US1978247A - Manufacture of adhesive materials from rubber latex : en
  • DE604613C - Spring mechanism for photographic shutters : de en
  • FR772347A - File cabinet for phonograph records and similar uses : en fr
  • GB418468A - Aeroplane undercarriages : en
  • FR772016A - Process for manufacturing paper, cellophane and other bags : en fr
  • US1978046A - Brake : en
  • FR772301A - Aircraft wing refinements : en fr
  • GB418356A - Improvements in demountable vehicle bodies : en
  • GB418426A - Improvements in or relating to coaster hubs for cycles : en
  • US1977942A - Fan construction : en
  • USD93663S - Design for a clock case : en
  • US1977915A - Well pump : en
  • US1978265A - Process for the heat treatment of steel : en
  • FR772055A - Improvement in the assembly of locks : en fr
  • FR772172A - Ferro-cerium lighter : en fr
  • FR772388A - Improvements to ejector containers for pasta and similar products : en fr
  • DE604518C - Method of burning lime : de en
  • US1977909A - Ore separator : en
  • FR772059A - Process for the pretreatment of materials containing cellulosic fibers : en fr
  • FR772194A - Device for the transmission of shocks, for vehicle chassis on rails with mid-pad coupling : en fr
  • US1977842A - Counting and calculating device : en
  • US1978291A - Combined seaming and pinking machine : en
  • US1978361A - Process for treating heavy residues : en
  • US1977626A - Handle : en
  • US1977958A - Jacketed rotary blower casing : en
  • US1978259A - Elastic braided article and method of making the same : en
  • FR772376A - Combination valve with automatic opening and closing : en fr
  • GB418212A - Improvements in or relating to helicopter and rotating wing aircraft : en
  • USD93685S - Design fob a bottle : en
  • FR772349A - Improvements to saturators : en fr
  • US1977641A - Receptacle : en
  • US1977611A - Guide mechanism : en
  • US1977810A - Corn husking mechanism : en
  • US1977955A - Mixing and reducing apparatus : en
  • DE604496C - Process for the production of strings for musical instruments : de en
  • FR772192A - Gas-filled electric discharge tube : en fr
  • GB418460A - Improvements in or relating to steam turbines : en
  • US1977753A - Film treating apparatus : en
  • US1977914A - Rug machine : en
  • US1977672A - Heater : en
  • US1977739A - Amusement device : en
  • US1977777A - Detachable heel cap : en
  • US1978085A - Core drill : en
  • CA345498A - Moistureproof material : en fr
  • US1977783A - Heating furnace : en
  • US1978343A - Construction of rubber and spring seats : en
  • CA345476A - Insect destroying process : en fr
  • AT139245B - Device for radioactivation of compressed or liquefied gases. : de en
  • AU1568733A - Improvements in hospital beds : en
  • US1977784A - Process of harvesting : en
  • US1977691A - Pneumatic rotary motor : en
  • USD93672S - Design fob a novelty vest foe boys : en
  • AT139130B - Process for the production of plant protection products. : de en
  • FR772173A - Improvements made to items such as pens : en fr
  • FR772221A - Shoe assembly machine : en fr
  • US1978168A - Bracelet : en
  • US1977871A - Snowplow : en
  • US1978019A - Pipe coupling and gasket therefor : en
  • DE604607C - Device for examination with X-rays : de en
  • GB418397A - Improvements in and relating to shearing machines for cutting sheet metal : en
  • GB418540A - Improvements in or relating to the control surfaces of aircraft : en
  • AT139139B - Device for reducing pressure for high-speed pressing. : de en
  • AT139157B - Cushioning, in particular for motor vehicles. : de en
  • US1978222A - Method of and apparatus for treating metallic materials : en
  • AT139229B - Device for copying films, preferably sound-image films. : de en
  • DE604583C - Shooting oven with divided baking space : de en
  • US1977636A - Rock drill : en
  • US1978160A - Wringer drive : en
  • US1978287A - Vehicle loading means for box cars : en
  • DE604573C - Device for bundling briquettes : de en
  • DE604731C - Clamp switch : de en
  • FR772209A - Sophisticated hygienic pipe : en fr
  • FR772339A - Lubricating device for gas stove taps and the like : en fr
  • AT139092B - Process for the production of electrical heating wires from chrome aluminum steels. : de en
  • AT139195B - Electrically heated steam boiler with superheater. : de en
  • DE604521C - De-acidification device for the treatment of liquids in fluctuating quantities : de en
  • DE604563C - Beater wheel for beater mills : de en
  • DE604644C - Receiving device for automatic triggering of an alarm : de en
  • GB418475A - Improvements in or relating to boxes or containers : en
  • US1977926A - Air-humidifying heat radiator : en
  • FR772306A - Operating procedures and devices for absorption and intermittent refrigeration apparatus : en fr
  • USRE19349E - Pump or motor for hydraulic : en
  • DE604538C - Electric vehicle coupling : de en
  • US1977695A - Heel : en
  • US1978171A - Process for producing vegetable extract and juice and product thereof : en
  • DE604591C - Speed controller with pistons rotating in guide cylinders : de en
  • DK49411C - Procedure for Recovery of Compression Work in the Production of Nitric Acid Under Pressure. : da en
  • AT139108B - Process to remove fruits, vegetables, mushrooms, grapes, etc. Like. To keep in fresh condition permanently. : de en
  • AT139203B - Electric traffic lights. : de en
  • DE604540C - Circuit arrangement for telephone PBXs : de en
  • US1978014A - Folding apron mechanism for self-feeders : en
  • CA345543A - Lubricating oil : en fr
  • CA345467A - Upholstery : en fr
  • US1978270A - Manufacture of ethyl alcohol : en
  • AT139086B - Solid, especially film-shaped adhesive. : de en
  • US1977880A - Reel : en
  • CA345560A - Insulating tape : en fr
  • AT139194B - Pulley arrangement. : de en
  • CA345537A - Gaseous hydrocarbon polymerisation : en fr
  • FR772369A - Adjustable capacitor : en fr
  • AU1747734A - Improvements in or relating tothe extraction of gold-bearing ores : en
  • DE604679C - Rotating shears for rolling stock : de en
  • FR772184A - Automatic starting and stopping device for freewheeling automobile engines : en fr
  • GB418496A - Improvements in or relating to braking or retarding apparatus : en
  • DE604609C - Self-collecting game of skill with a changeover device for unlimited practice : de en
  • AT139213B - Photographic camera with range finder. : de en
  • US1977989A - Manufacture of wire : en
  • USD93669S - Design fob a jab : en
  • FR772427A - : fr
  • US1978100A - Dynamo electric machine : en
  • US1978152A - Traverse roller for venetian blinds : en
  • US1978324A - Building construction : en
  • CA345514A - Cigarette igniting element : en fr
  • AT139077B - Window cleaning scaffolding. : de en
  • AU1585734A - Process of and apparatus for separating solid particles held in suspension in gaseous fluids : en
  • CA345465A - Disc for radial flow machines : en fr
  • AT139200B - Rod-shaped, electric heating element for heating grids, grills, etc. like. electrothermal apparatus. : de en
  • FR772046A - Improvements to optical devices for lighting devices : en fr
  • DK49424C - Electrolytic Cell and Method for Its Manufacture. : da en
  • AT139125B - Process for improving the usability of insecticidal drugs. : de en
  • AT139216B - Ball joints, in particular for photographic apparatus. : de en
  • AT139165B - Running surface with anti-slip protection. : de en
  • AT139081B - Process for the production of tubes with non-uniform cross-section from strip material. : de en
  • US1977778A - Tappet valve clearance compensator : en
  • US1977855A - Pocketbook frame : en
  • US1977935A - Gas tank cap : en
  • US1978172A - Power transmission system : en
  • US1978296A - Protector for pies or other commodities : en
  • CA345461A - Razor blade holder : en fr
  • AT139124B - Process for the preparation of condensation products from cyclic oxy compounds and acetylene. : de en
  • US1977639A - Metal protected mirror : en
  • DE604627C - Device for artificial aging of commutators of electrical machines : de en
  • US1978390A - Pattern controlled machine tool : en
  • US1977666A - Repeater for rolling mills : en
  • US1978146A - Method of charging small caliber high explosive shells : en
  • US1978225A - Marking machine : en
  • US1977616A - Airplane construction : en
  • US1978175A - Nestable casserole with platter : en
  • USD93684S - Design fob a bottle : en
  • CA345522A - Register : en fr
  • DE604154C - Storm protection for loading bridges and similar heavy vehicles : de en
  • FR772266A - Button for cuffs : en fr
  • FR772396A - Carpets for playpens and its manufacturing process : en fr
  • GB418538A - An improved anti-sunburn medium : en
  • US1977844A - Automobile curtain operator : en
  • US1977631A - Process of refining petroleum products : en
  • US1978044A - Method of forming rubber parts and applying them to backing material : en
  • CA345481A - Manifolding book : en fr
  • GB418244A - Improvements in or relating to a combined spring-clip contact and terminal for electrical apparatus : en
  • GB418387A - Improvements in jacquard machines : en
  • CA345510A - Liquid evaporating method : en fr
  • DE604663C - Household scales : de en
  • FR772397A - Underlay mat : en fr
  • AT139249B - Radio receiver. : de en
  • FR772084A - Improvements to mechanisms for controlling trailer brakes : en fr
  • DE604533C - Brushing device with electromagnetic drive : de en
  • US1977939A - Electromechanical vibratory system and apparatus : en
  • US1978028A - Delivery of refrigerant to evaporators : en
  • AT139082B - Cutting tool. : de en
  • AT139097B - Powder compact. : de en
  • AT139156B - Foundation for streets, yards, aircraft stations and similar surfaces. : de en
  • US1977745A - Remote control system : en
  • US1977798A - Oil burner : en
  • US1977731A - Heat exchange plate : en
  • US1977678A - Arc welding method : en
  • DE604758C - Circuit for a high frequency transformer : de en
  • AU1769934A - Improvements in or relating to bodies for automotive vehicles : en
  • US1978360A - Milling machine : en
  • US1977632A - Production of ethyl alcohol from ethylene : en
  • US1977781A - Dispensing apparatus : en
  • US1978301A - Rubber article : en
  • AT139120B - Wood gas generator with a downward draft. : de en
  • GB418490A - Switching device for producing a flashing warning signal in a stationary rear warning light of motor cars : en
  • FR772064A - : fr
  • FR772280A - Manufacturing process of a dental prosthesis part : en fr
  • FR772295A - Razor wiper : en fr
  • AT139201B - X-ray machine. : de en
  • AT139066B - Area measuring, dividing and application device. : de en
  • DE604510C - Filling tap handle for bottle fillers : de en
  • NL34153C - : nl
  • US1977822A - Ophthalmic mounting : en
  • US1977730A - Electric motor : en
  • US1978151A - Method of pickling metal : en
  • AT139063B - Device for displaying the conception ability in women. : de en
  • US1978105A - Cover for automobile steering wheels or the like : en
  • AT139158B - Adapter coupling for railway vehicles. : de en
  • DE604582C - Cabinet-shaped oven with gas heating : de en
  • DK49433C - For Use in Underwater Swimming, Diving or Similar Specific Glasses. : da en
  • US1978228A - Process of making titanium dioxide : en
  • DE604690C - Method for protecting inscription plates cast onto engine parts against forgery : de en
  • FR772228A - Electric switch with automatic trigger : en fr
  • AT139173B - Rope grab for overhead cable cars. : de en
  • US1977920A - Hair comb : en
  • AT139171B - Automatic rigid steering clutch. : de en
  • USD93677S - Design fob a curtain fabric or the : en
  • US1978195A - Clamp band : en
  • AT139218B - Belt for holding stockings, ties, etc. like : de en
  • AU1524233A - Improvements in or relating to refrigerating or heat insulated cabinets and methods of covering thesame : en
  • AT139193B - Radiant heater. : de en
  • CA345455A - Hockey stick : en fr
  • AT139135B - Method and device for mechanical stripping of tobacco leaves and. like : de en
  • US1977728A - Composition of matter and process therefor : en
  • US1978041A - Method of manufacturing sponge rubber strips : en
  • US1977919A - Method of refrigeration : en
  • US1978122A - Grounding terminal : en
  • US1977662A - Process of halogenating pyridines : en
  • DE604578C - Process for the preparation of azo dyes : de en
  • GB418478A - Improvements in or relating to electrically driven appliances for the care of the body : en
  • US1977828A - Stator winding machine : en
  • US1977923A - Process for separating dissolved volatile substances from their solvents : en
  • AT139080B - Safety razor. : de en
  • US1978086A - Braiding machine : en
  • US1977717A - Method of treating petroleum oils : en
  • GB418485A - Improvements in soles for footwear : en
  • FR772146A - Device for unwinding or rewinding : en fr
  • FR772286A - Small rubber bag intended to contain the ink in the reservoir pen holders : en fr
  • GB418409A - An improved arrangement for driving vehicles by electric transmission from an internal combustion engines : en
  • GB418438A - Improved sheet-feeding apparatus for typewriters : en
  • US1977707A - Method of and apparatus for testing : en
  • DE604444C - Clamping sleeve fastening : de en
  • US1978021A - Ultrashort wave system : en
  • US1978188A - Piezoelectric crystal apparatus : en
  • AT139138B - Method and device for buttering milk and cream. : de en
  • GB418539A - Improvements in and relating to magnetic cores : en
  • GB418554A - Improvements in machines for making geometrical designs : en
  • US1977841A - Sectional twine heddle : en
  • US1977849A - Brake rigging for railway cars : en
  • US1978177A - Gas burner : en
  • US1977750A - Process for making acetaldehyde and a catalyst therefor : en
  • AT139210B - Edge burning machine. : de en
  • CA345458A - Flour bleaching method : en fr
  • DE604771C - Gas generators, especially for vehicles and small industrial furnaces : de en
  • US1977853A - Lock : en
  • DE604562C - Machine for assembling flexible joints with a resilient member lying between an inner and an outer rigid member : de en
  • FR772291A - Air heater, horizontal tubes, for all purposes, mainly hair dryer and combined with curling iron heater : en fr
  • DE604489C - Pressure device for scales : de en
  • US1977965A - Communication system : en
  • GB418465A - Improvements in coin freed or coin operated mechanism : en
  • FR772053A - New suspension devices for vehicles, in particular for automobile chassis : en fr
  • FR772365A - Advanced device allowing the mechanical weaving of lockstitch rugs as well as tapestries of the same design on both sides : en fr
  • GB418249A - Improvements in mileage counters for vehicles : en
  • DE604297C - Toilet mirror : de en
  • GB418353A - Cloth or fabric laying or piling machine : en
  • GB418350A - Improvements in or relating to fans : en
  • GB418544A - Improvements in or relating to clutches provided with rolling jamming members : en
  • US1977799A - Furnace structure : en
  • US1977867A - Lubrication device : en
  • US1978370A - Piston construction : en
  • US1977660A - Plywood joining machine : en
  • US1978392A - Liquid level indicating means : en
  • US1978004A - Transferring system : en
  • FR772062A - Elastic fabric and its manufacturing process : en fr
  • DE604629C - Road traffic signal : de en
  • AT139221B - Method for the optical scanning of vibration recordings. : de en
  • DE604504C - plane : de en
  • US1978126A - Door control : en
  • US1978192A - Squeegee : en
  • US1977953A - Electrical flasher : en
  • US1978248A - Process of cutting threads and machine therefor : en
  • GB418555A - Improvements in or relating to sound recording or sound reproducing machines : en
  • AT139181B - Electric hot water tank. : de en
  • DE604483C - Bathtub with a heating element attached to the casing that extends from the edge of the bathtub to the floor of the installation room : de en
  • DE604631C - Settling rack with slatted shelves : de en
  • DK49413C - Whips of Metal Wire. : da en
  • DE604473C - Disc capacitor battery composed of disc capacitor groups, which in turn consist of one or more individual capacitors : de en
  • US1978150A - Emasculator : en
  • FR772322A - Device for increasing the visual field of automobile drivers and others : en fr
  • FR772370A - Automatic fire extinguisher : en fr
  • DK49437C - Line block coupling, especially for automatic block line systems. : da en
  • FR772148A - High power alternating current arc extinguishing device in switches, circuit breakers or similar devices : en fr
  • FR772345A - Dry purification process of coal and ore : en fr
  • FR772159A - Claw system clamped between the casing and the package of stator sheets of electric alternators : en fr
  • FR772385A - Ore reduction process and furnace for carrying out this process : en fr
  • GB418348A - Improvements in and relating to electric insulating materials : en
  • GB418396A - Improvements in or relating to tail supports for aircraft : en
  • GB418445A - Improvements in and relating to the vulcanization of rubber : en
  • GB418405A - Improvements relating to the securing of laundry pulleys to ceilings and the like : en
  • DE604608C - Rotatable polishing bench : de en
  • US1978246A - Electric circuit breaker : en
  • US1977945A - Food product and process of producing the same : en
  • US1977782A - Torch tip construction : en
  • US1977614A - Electric street lighting bulb : en
  • AU1741834A - Improvements in or relating to luminous electric discharge tubes : en
  • FR772220A - Window : en fr
  • US1978394A - Hair curler : en
  • AT139089B - Process for the production of chromium-alloyed steels of all kinds by means of the Thomas process. : de en
  • AT139131B - Method of combating pests in enclosed spaces. : de en
  • AT139211B - Roll film cassette. : de en
  • GB418898A - Improvements in electrical musical instruments : en
  • US1977978A - Carrying out catalytic oxidations : en
  • US1977694A - Footwear : en
  • DE604643C - Screw locking for the railway superstructure : de en
  • DK49409C - Device for tightening the fence wire. : da en
  • FR772366A - Tarare : en fr
  • US1977870A - Cutter : en
  • US1978067A - High power short wave transmitting apparatus : en
  • FR772202A - Corkscrews combined with glass cutter : en fr
  • GB418415A - A chuck for stud driving or setting and the like : en
  • AT139235B - Filter. : de en
  • AT139055B - Television system. : de en
  • US1977722A - Second spare wheel carrier : en
  • USD93676S - Design for a target game board : en
  • GB418562A - Improvements in processes for photography or cinematography in colours : en
  • GB418235A - Improvements in producing reaction between fluids : en
  • GB418336A - Improvements in and relating to coiled water-tube steam generators : en
  • US1977843A - Flying machine : en
  • US1977770A - Automatic cassette changer : en
  • FR772109A - Rolling device for listening or tracking sound : en fr
  • GB418245A - Improvements in round-abouts and the like : en
  • FR772283A - Improvements in devices for studying the optical properties of bodies, in particular bodies maintained during the test at a temperature different from the ambient temperature : en fr
  • FR772297A - Fluted cylinders for making so-called <<cressins>> breads and longets : en fr
  • GB418448A - Improvements in or relating to telephone systems : en
  • GB418552A - A method and device for the burning of oil : en
  • USRE19348E - Screw and bolt and process of : en
  • DE604716C - Fuse cartridge holder : de en
  • FR772229A - Improvements to greyhound racing equipment : en fr
  • FR772340A - Variable speed device : en fr
  • GB418392A - Shuttle casing for sewing machines : en
  • FR772198A - Guidance device, in particular for bodies known as: with open compaginel : en fr
  • US1977836A - Dump car : en
  • US1977990A - Piston ring : en
  • US1977723A - Sack lifter : en
  • DE603366C - Automatic packing machine : de en
  • DE604585C - Fanless built-in evaporator burner operated with liquid fuels, especially crude oil : de en
  • FR772155A - Improvements to hydraulic gear changes : en fr
  • GB418474A - Improvements in or relating to washing or drying machines or the like : en
  • GB418482A - Bed underlay : en
  • GB418203A - Improvements in and relating to compositions for coating and impregnating paper and the like : en
  • US1977859A - Pasteboard box : en
  • US1978166A - Protective device for surface condensers and the like : en
  • US1978242A - Golf bag support : en
  • USD93675S - Design fob a nut cracker : en
  • CA345512A - Ore smelting process : en fr
  • US1977716A - Circuit breaker : en
  • USD93686S - Design fob a bottle : en
  • DE604509C - Filling valve for liquids : de en
  • GB418577A - Improvements in or relating to sensitive electro-magnetic relay arrangements : en
  • US1978119A - Collapsible well drilling bit : en
  • US1978307A - Fabric for stockings and method of knitting same : en
  • DK49428C - Engine suspension for Automobiles. : da en
  • US1977645A - Gasoline hammer : en
  • DE604503C - Oil pressure regulating device for maintaining the speed of machines with a pump driven by the machine to be regulated : de en
  • AT139058B - Rolling mill for the continuous production of vertically rising transverse projections on rod-like metal pieces. : de en
  • US1978144A - Method for treating the human finger and toe nails : en
  • FR772274A - Connection wire clamping device : en fr
  • FR772087A - Machine for the production of pocket bands, filled with coil springs, for upholstery and bed bases : en fr
  • US1977913A - Manufacture of shoes : en
  • FR772323A - Remote control device : en fr
  • GB418252A - Improvements in and relating to electrical relay systems : en
  • US1977736A - Valve lifter mechanism : en
  • US1978180A - Method of carbonizing ferrous metal : en
  • USD93644S - Design for a feeding spoon : en
  • FR772207A - Process for the manufacture of domestic crockery covered with a metallic layer : en fr
  • FR772378A - Process for stabilizing silks, or other textiles, glued with linseed oil : en fr
  • US1978216A - Automobile hat rack : en