• US1929962A - Swingable sash window : en
  • CH164694A - Illuminated advertising lantern with a device for changing the banners. : de en
  • AT134872B - Hand flat knitting machine for the production of colored patterns and stitch patterns. : de en
  • CH164637A - Junction box. : de en
  • US1930229A - Artificial bristles and process of making the same : en
  • AT134846B - Key lever cash register. : de en
  • CH164508A - Device for the treatment of synthetic yarns and threads and the like. : de en
  • US1929823A - Impeller : en
  • US1930392A - Process for eliminating gases from viscose silk cakes or cheeses : en
  • US1930444A - Switch mounting bracket : en
  • DE585530C - Solvent for cellulose esters : de en
  • DE585793C - Process for the production of vinyl chloride : de en
  • US1929837A - Carpet stretcher : en
  • DE585964C - Barrel weight scale : de en
  • US1930001A - Automatic thin place preventer : en
  • US1930258A - Machine to assemble bolt flanges in hub shells and pierce eight rivet holes : en
  • US1930349A - Power press : en
  • AT134942B - Means for generating two or more than two delays of a pulse by means of discharge tubes. : de en
  • AT134945B - Pull and push magnet. : de en
  • CA336230A - Bag making machinery : en fr
  • USD90844S - Design for a chandelier : en
  • AT134922B - Electrical system with one or more discharge tubes that contain a gas filling, a cathode and two or more anodes. : de en
  • DE585658C - Corrosion of sludge-shaped sulfidic ores : de en
  • US1930088A - Electrical discharge device : en
  • US1929758A - Automatic draft regulator : en
  • US1930223A - Furniture glider : en
  • US1929425A - Sound absorbing material and method of making the same : en
  • US1929729A - Electric valve converting system : en
  • US1929804A - Tractor : en
  • CH164555A - Process for the burnishing of objects and parts made of iron and iron alloys. : en fr
  • DE585807C - Method of manufacturing fuel briquettes : de en
  • DE585846C - Unmanned buoy : de en
  • US1930385A - Picker stick for looms : en
  • US1930447A - Manifolding machine : en
  • CH164532A - Machine for the production of moldings from fat or butter dough, marzipan or other plastic materials. : de en
  • US1929428A - Explosion turbine plant : en
  • USD90850S - Design fob a chair : en
  • GB399584A - Improved electrode holder for use in electric arc welding : en
  • DE578773C - Process for operating gas-air-oxygen burners : de en
  • DE585209C - Machine for mass determination of the volume of round wood : de en
  • FR753177A - Method to increase the speed of detection of fire sources : en fr
  • DE585980C - Signaling device for sea and air traffic : de en
  • FR753208A - Method and apparatus for diluting fibrous material in bales or pulp in sheets : en fr
  • FR753247A - Automatic trigger of firearms with precise passage of the objective in the best position : en fr
  • AT134882B - Feather pen. : de en
  • AT134895B - Starting device for internal combustion engines. : de en
  • CA10113S - Combined stencil shheet and backing sheet : en
  • CA336319A - Flue hole stop : en fr
  • GB399588A - Improvements in engine starters : en
  • GB399826A - Process of and apparatus for purifying liquids which have been used for washing textile materials : en
  • DE585611C - Container for storing and removing surgical sewing threads : de en
  • DK47861C - Electric Fluorescent Tube. : da en
  • US1929422A - Telephone system : en
  • US1929734A - Mail box : en
  • US1929469A - Reel : en
  • US1930440A - Cervical splint : en
  • US1929604A - Railway draft rigging : en
  • GB399640A - Improvements in or relating to brakes for bicycles and the like : en
  • GB399821A - Improvements in or relating to devices for dressing seeds : en
  • US1929684A - Valve : en
  • US1929981A - Type-bar rest for typewriters : en
  • US1929494A - Hand protector : en
  • US1930134A - Cellulose organic ester composition containing propylene chloride : en
  • GB399675A - Improvements in alarm devices for use in connection with automatic telephone systems : en
  • DE585765C - Scroll saw : de en
  • GB400174A - Improvements in clutch : en
  • US1930366A - Metallic door or panel construction : en
  • CA336332A - Cementitious body forming method : en fr
  • CH164626A - Method for performing an electrical spark discharge. : de en
  • US1929694A - Means for draining oil from crank cases : en
  • US1930362A - Talking film : en
  • US1929725A - Electric valve converting apparatus : en
  • US1929649A - Low-temperature carbonization of carbonaceous material : en
  • US1929836A - Bearing : en
  • US1929701A - Hub cap : en
  • US1929748A - Spark plug : en
  • US1930164A - Animated display device : en
  • DE582796C - Process for the production of strongly shrinking capsules from cellulose esters : de en
  • US1929691A - Process for drying oleaginous seeds : en
  • US1929760A - Cashier's window guard : en
  • US1930113A - Pressure measuring instrument : en
  • US1930306A - Reflecting bioscope attachment for optical instruments : en
  • US1930456A - Method of and apparatus for heating flowing fluids : en
  • US1929518A - System for exhibiting sound motion pictures : en
  • CH164635A - Device for precise adjustment of the brush pitch on the collector circumference of electrical machines. : de en
  • US1929423A - Releasing clamp : en
  • US1930162A - Bottle and cap therefor : en
  • USD90863S - Design for a composite unit mount : en
  • DE585592C - Suspender rib with elastic core : de en
  • GB400192A - Improvements in and relating to apparatus for filing letters, papers and the like : en
  • GB399786A - Improvements in and relating to the production of pictures in colours : en
  • US1929600A - Tool : en
  • CH164531A - Process for the preservation of condensed sweetened milk. : en fr
  • DE585394C - Nozzle with revolving feed device for suction air lifter : de en
  • DE585800C - Vacuum drying cabinet : de en
  • DE585764C - Heating system in which steam and flue gases serve as heat bodies : de en
  • DE585487C - Tank stabilization system for ships : de en
  • FI15487A - A way to thermally insulate conduits : en fi
  • FR753231A - Improvements to door knobs : en fr
  • GB399642A - A warmer : en
  • FR753189A - Manufacturing process for products intended to increase capillary power : en fr
  • US1929768A - Foldable display stand : en
  • US1929797A - Vibration eliminator : en
  • US1930190A - Roller bearing : en
  • US1930285A - Built up metal tube, frame and skeletonized metal member of high strength weight, and method of forming same : en
  • DE584696C - Process and device for aeration, de-acidification and filtration of water : de en
  • GB399818A - Process for the manufacture of quinoline-8-azo compounds of the quinine series : en
  • GB400219A - Improvements in and relating to electrical heating devices for baking or other ovens : en
  • GB399672A - Improved convertible divan seat and bed : en
  • FR42757E - Production of aromatic sulfodicarboxylic acid esters : en fr
  • DE585832C - Process for the production of iron enamel : de en
  • GB399601A - Improvements in and relating to electrical contacts : en
  • AT134830B - Device for adjusting the focus and main beam, especially with X-ray tubes. : de en
  • CH164565A - Stereotype plate. : de en
  • CH164622A - Adjustment device for action turbines. : en fr
  • DE585883C - speaker : de en
  • DE585654C - Arrangement for the elimination of the disturbances in telecommunication systems caused by circuits with earthed return line and with supply by rectifiers or other producers of direct current with superimposed alternating current : de en
  • US1929873A - Support and package for dispensing : en
  • US1930042A - Casement sash with concealed shades : en
  • US1929815A - Apparatus for projecting animated pictures on alpha screen : en
  • US1930057A - Draft rigging : en
  • US1930399A - Helmet for divers, miners, firemen, and the like : en
  • FR753243A - Construction process of dwellings or other buildings by serial elements : en fr
  • CA336359A - Volume control circuit : en fr
  • DE585205C - Rod network : de en
  • US1929971A - Theater chair : en
  • US1930370A - Method of roasting zinc sulphide ores : en
  • US1929861A - Method and apparatus for continuously treating petroleum distillates : en
  • US1929580A - Means for reenforcing cable sleeves : en
  • FR753338A - : fr
  • US1929464A - Closure for radiator necks and the like : en
  • US1930218A - Guarded fruit box : en
  • FI15495A - Water sprayer in wood grinders : en fi
  • FR753248A - Improvements to devices for making pasta : en fr
  • FR753296A - Dosing device and dispenser for liquids : en fr
  • FR753275A - Improvements made to devices comprising electrical contacts, devices such as contactors, switches, fuses, sockets, etc. : en fr
  • US1929495A - Self-centering expansible piston : en
  • US1929972A - Force feed lubricating system : en
  • US1930226A - Mordanting, weighting, and dyeing : en
  • FR753325A - Bicycle freewheel sprocket body forming support for three stepped sprockets : en fr
  • GB399754A - Improvements relating to washing-boards : en
  • US1929540A - Heat exchanger : en
  • DE585616C - Device to prevent a zip line : de en
  • GR4359B - LEAD SYSTEM. : el en
  • FI15474A - Sughuv : en fi
  • US1929796A - Flexible spring shackle mounting : en
  • DE585947C - Ultrafilter : de en
  • FR753321A - Improvements to tires for vehicles and more particularly to those for rail vehicles : en fr
  • USD90829S - Design for a service station : en
  • US1929893A - Scoring machine : en
  • US1930449A - Amylbenzoic acid and process for preparing same : en
  • US1930275A - Telephone switchboard : en
  • US1929594A - Brake mechanism : en
  • US1930056A - Ice crusher : en
  • US1929590A - Automobile body inside panel fastener : en
  • FR753375A - Process for treating fruits with a view to integrating the taste and fragrance of these fruits by feeding the epithelial cells : en fr
  • IE13202L - Internal combustion engines. : en
  • FR753249A - Device for AC duplex telegraphy with the same carrier frequency in both directions : en fr
  • US1929660A - Method of making alpha road tool : en
  • US1929677A - Dual rotary kitchen cabinet : en
  • US1929838A - Scythe : en
  • US1930210A - Process for preparing hexameth : en
  • CH164628A - Internal combustion engine with overhead valves and air cooling. : en fr
  • GB399827A - Improvements in or relating to carding-engines : en
  • US1929476A - Process for producing pure phosphates : en
  • US1929988A - Dissolver and shifter for optical systems : en
  • DE585847C - Torpedo launcher : de en
  • GB399654A - Improvements in or relating to television : en
  • FI15512A - A method of making a toe and back reinforcement of a shoe and a stiffener made therefrom : en fi
  • FR753302A - Advanced device for the maintenance of parquet floors : en fr
  • FR753389A - Improvement in electrical resistances : en fr
  • GB399688A - Improvements in or relating to methods of manufacturing tires and the improved tire resulting therefrom : en
  • DE585988C - Buffers for high speed vehicles : de en
  • FR753223A - Closing system more particularly applicable to goat skin gourds : en fr
  • FR753337A - Printing machine : en fr
  • IS74B6 - Method for the production of hailstones : en is
  • US1929809A - Street marker : en
  • US1929925A - Multiple terminal bank : en
  • US1929996A - Compressor : en
  • US1929415A - Manufacture of welded spiral pipe : en
  • US1930340A - Composite silica article and method of fabricating same : en
  • US1929537A - Centrifugal tachometer : en
  • US1929658A - Lock : en
  • AT134837B - X-ray tube. : de en
  • CH164509A - Shuttle catcher for looms. : de en
  • CA336344A - Multiple contact plug : en fr
  • US1929478A - Floor slab : en
  • US1929613A - Grinding machine guide block : en
  • US1929765A - Lubricating apparatus : en
  • US1930079A - Drawing in frame : en
  • US1930300A - Display container : en
  • DE585795C - Three-stage regulation of three identical heating resistors that can be connected in star connection to a three-phase network with a neutral conductor takes place through a single switching element : de en
  • DE585999C - Device for regulating the timbre : de en
  • GB399802A - Improvements in or relating to viscometers : en
  • FR753167A - Method for making photographic sound recordings on films : en fr
  • GB399553A - Improvements in or relating to the manufacture of blasting explosives : en
  • GB400182A - Improvements in or relating to bearing surfaces : en
  • FR753157A - Electric massage device : en fr
  • GB399596A - A new or improved brush or massage device : en
  • FI15466A - Förfaringssätt vid mattering av glasföremål : en fi
  • US1929974A - Bar and holder for laundry markers : en
  • US1930317A - Shock absorber : en
  • US1930389A - Garment buckle : en
  • US1929812A - Manufacture of insulated conductors : en
  • US1930418A - Building structure : en
  • DK47858C - Differential capacitor. : da en
  • FI15457A - Förfaringssätt för framställning av vägbeläggningar : en fi
  • FR753179A - Device for slicing food products : en fr
  • AT134817B - Short ski. : de en
  • CA336213A - Dumping vehicle : en fr
  • CH164569A - Collapsible ski. : de en
  • US1929602A - Display rack : en
  • US1930124A - By-product recovery process and apparatus : en
  • DK47849C - Steering mechanism for air brake systems for automobiles, trailers, railcars and other vehicles. : da en
  • DE586001C - Flexible high current connector for electrical machines : de en
  • FR42800E - Improvements made to the manufacture, in the foundry, of thin surfaces or panels of large surface area : en fr
  • US1929460A - Art of making receptacles : en
  • US1930009A - Printing plate base : en
  • US1929774A - Lubricating apparatus : en
  • USD90857S - Design for a bottle opener : en
  • AT134939B - Electrical network. : de en
  • DE564561C - Anti-theft protection for vehicles : de en
  • US1929787A - Pole piece : en
  • DE585836C - Facility for milk treatment : de en
  • DK47864C - Footwear sewing machine. : da en
  • US1930050A - Metallic ventilated cap for smoke stacks : en
  • US1930125A - Contact process for the manufacture of sulphuric anhydride : en
  • AT134940B - : de en
  • CA336228A - Lead obtaining process : en fr
  • US1929473A - Lever : en
  • GB399665A - Improvements in rotary gas pumps : en
  • US1929647A - Die stock : en
  • USD90832S - Design fob a bolster for flatware : en
  • CA336221A - Cellulose product manufacture : en fr
  • DE585978C - Front end for agricultural machines : de en
  • FR753240A - Improvements to threshing machines : en fr
  • DE585761C - Container for melting glass : de en
  • CA336356A - Electrical system protective device : en fr
  • DE585917C - Cross bottom on multi-walled bags or bags made of paper or the like. : de en
  • FI15522A - Förfaringssätt vid torkning av trävirke i varmluftkanal eller likartad anläggning : en fi
  • US1930301A - Indelible print : en
  • US1930416A - Sliding and pivoting wristlet watch : en
  • DE585997C - Fastening device for cylinder : de en
  • CH164600A - Process for creating tight seams on lead pipes produced on presses with split lead flows. : de en
  • FR42773E - Excavator and perforator : en fr
  • US1929506A - Combination garment : en
  • US1929605A - Filtering device : en
  • DE585542C - Process for sintering fine ores : de en
  • US1929564A - Pump for delivering measured quantities of liquid : en
  • US1930175A - Telephone anchor and pad holder : en
  • DE585927C - Switching device for gearboxes of motor vehicles : de en
  • FR753193A - Improvements to extinguisher equipment : en fr
  • GB399576A - An improved device for trueing and dressing wheels of abrasive material : en
  • US1929690A - Aircraft propulsion : en
  • AT134804B - Device for measuring the width of boards and counting the number of boards by width. : de en
  • CH164541A - Process for obtaining the optically active component of carotene, a starting material intended for the production of compounds of the vitamin A type. : de en
  • CH164738A - Process for the production of a new azo dye. : de en
  • GB400201A - A method of securing bed plates or chassis and the like upon or within supporting frames or containers : en
  • CA336320A - Air brake valve : en fr
  • CH164500A - Toilet seat. : de en
  • US1929582A - Dial construction : en
  • US1930400A - Track oiler : en
  • CA336211A - Luminescent tube applying device : en fr
  • US1929738A - System of assembling shoes : en
  • US1930438A - Liquid dispenser : en
  • FR753301A - Method and device for printing sound recordings : en fr
  • US1930039A - Pressure gauge : en
  • US1930294A - Pumping system for grease : en
  • GB399619A - Improvements in or relating to multi-stage propeller fans : en
  • CH164595A - Gold and silver extraction process. : en fr
  • US1929832A - Suction cleaner : en
  • FR753180A - Marking table with machine tools for construction sets : en fr
  • FR753398A - Electric reversing switch : en fr
  • GB399681A - Improvements in installations for transferring heat or cold from a source to an exchange surface, such as a floor or wall : en
  • DE585828C - Fruit pickers : de en
  • US1930237A - fuller : en
  • US1930227A - Shower head : en
  • US1929493A - Oxidizing means : en
  • US1930344A - Closet chair and test cap mechanism : en
  • DE585843C - Can opener : de en
  • US1930053A - Catalytic removal of hydrogen or oxygen containing groups from organic compounds : en
  • US1929937A - Evaporator : en
  • US1930029A - Remote controlled radio reception : en
  • US1930074A - Means of handling web rolls : en
  • CH164723A - Watercraft. : de en
  • CH164473A - Fireplaces, in particular for residential buildings made of brick masonry. : de en
  • FR753236A - Process for the combustion of liquid fuels and burner for its application : en fr
  • US1930305A - Electrical terminal device : en
  • US1930424A - Glass sheet-forming apparatus : en
  • FI15475A - Anordning vid tätlister av metall : en fi
  • US1929434A - Liquid distributing installation and the element thereof : en
  • US1930432A - Distance meter for photographic purposes : en
  • DE585679C - Device for the production of wrought iron pipes from sheet metal strips bent into the shape of a pipe by electrical fusion welding progressing in the longitudinal direction of the pipe seam : de en
  • GB399711A - Apparatus for producing unidirectional electric current at high voltage : en
  • FR753279A - Improvements to automatic telephone systems : en fr
  • GB399630A - A new or improved carrier attachment for a bicycle, for supporting a cape or like article : en
  • US1929851A - Adjusting means for timing chains of automobiles : en
  • US1930428A - Fuse box : en
  • US1930296A - Refrigerating machine : en
  • US1929866A - Production of sulphuric esters of anthrahydroquinone and its derivatives : en
  • US1930436A - Manufacture of chewing gum base : en
  • GB399559A - Improvements in or relating to the colouration of materials made of or containing cellulose esters or ethers : en
  • GB399644A - Method of operating internal combustion engines of the type wherein ignition is effected by compression : en
  • DE585888C - Arc protection device made from ears attached to the ends of insulator chains : de en
  • DK47866C - Combined electric Light and Sound signal device. : da en
  • FI15524A - Anordning vid vävstolar : en fi
  • FR42796E - Elastic coupling : en fr
  • FR42788E - Further training in machines for polishing ices, glasses, etc. : en fr
  • CA336303A - Hoist mechanism : en fr
  • CH164589A - Fixing for aperture watch crystal. : en fr
  • GB399592A - Improvements in or relating to pencil holders : en
  • FR753174A - Powdery mildew powder : en fr
  • GB399770A - Improvements in and relating to a reflector device for electromagnetic radiation of ultra short wave length : en
  • GB399736A - Method of and machine for cutting or machining profiled work pieces : en
  • FI15478A - In the case of general inspection, the material for the original equipment shall be fitted with an axle box for the complete body of the vehicle. : en fi
  • DE585603C - Extraction device for machines for the production of electrical cables : de en
  • GB399775A - Improvements in or relating to power transmission for motor vehicles : en
  • DE585257C - Drive device for rotating sound carriers, records or sound cylinders, with a flywheel : de en
  • DE585802C - Process for preparing crepe yarn for knitting and similar machines : de en
  • FR753155A - Method and apparatus for the separation of mixtures of solid substance and liquid by means of vibrating screens : en fr
  • GB399731A - Improvements in or relating to high pressure water tube steam generators : en
  • FR753352A - Ozone producer concentrated by high frequency electric currents : en fr
  • FR753344A - Cigarette lighter or other lighter device, adaptable to any usual object and forming an advertising vehicle : en fr
  • US1930421A - Picture film, diapositive, and the like for optical projection apparatus : en
  • DE585796C - Electric soldering device : de en
  • GB399627A - Improvements in and relating to collapsible boxes : en
  • GB399692A - Improvements in or relating to clamped-blade safety razors : en
  • DE505240C - Process for the production of alkali-free, neutral annalin : de en
  • CH164479A - Evaporation device for radiators and the like. : de en
  • CH164650A - Safety device for electric fluorescent tubes operated on transformers. : de en
  • GB399683A - Plate conveyor for foundry moulds and other industrial purposes : en
  • FR753367A - Improvements to two-piece molds for assembly and assembly device for these molds : en fr
  • FR753387A - Daytime and nighttime police plates with removable numbers and letters for motor vehicles : en fr
  • US1929477A - Lubricating mechanism for automotive vehicles : en
  • US1930376A - Wheel and bumper shield : en
  • GB399761A - Device for extracting the juice from oranges and the like : en
  • US1929697A - Refrigerating apparatus : en
  • US1929983A - Cell-enclosed electric switch and disconnecting switch therefor : en
  • CH164534A - Process for sterilizing all types of food. : de en
  • FR753287A - Hydraulic shock absorber, for mechanical vehicles : en fr
  • FI15480A - Kilometerräknare för fordon, särskilt järnvägsfordon : en fi
  • FR753195A - Improvements to means of fire protection : en fr
  • US1929968A - Dispensing cabinet : en
  • US1930066A - Envelope opening means : en
  • DE585686C - Tubular screen for the use of X-rays : de en
  • FR753368A - Mixing dosing tank : en fr
  • US1929771A - Method of forming tearing strips in can bodies : en
  • GB399741A - Improvements in and relating to electric water heaters : en
  • DE585844C - Vehicle lights, especially for ships : de en
  • US1929755A - Electrical machinery : en
  • US1930174A - Portable vulcanizing device for repairing vehicle tires and other articles composed partly or wholly of rubber : en
  • US1930343A - Clamp tightening machine : en
  • DE585969C - Wing : de en
  • FR42779E - Process for improving the resistance of absorbent carbon to chemical reagents : en fr
  • DE585790C - Scissor-shaped weaving fork : de en
  • US1929926A - Artificial hand : en
  • US1930312A - Bearing seal : en
  • GB399813A - Improvements in or relating to furnace grates : en
  • FR753295A - pin : en fr
  • US1930130A - Method of distilling tar : en
  • US1930166A - Method and apparatus for rectification of hydrocarbons : en
  • GB399563A - Improvements in and relating to method of and apparatus for the manufacture of wire mesh fabric : en
  • GB399705A - Forging machine : en
  • US1929762A - Filing system and apparatus therefor : en
  • CH164594A - Hard metal alloy. : de en
  • DE574036C - Passage trap nest : de en
  • DE586020C - Hyperboloid cooling tower : de en
  • FR753158A - Product for waterproofing paper : en fr
  • US1929498A - Collapsible tube and cap retainer therefor : en
  • US1930273A - Gauge : en
  • DE585747C - Condenser speakers : de en
  • US1929679A - Lock : en
  • US1929889A - Furnace : en
  • US1929719A - Liquid metering and dispensing apparatus : en
  • DE585905C - Friction gears, especially for the loading device of automatic scales : de en
  • CA336229A - Heating device for rotary furnaces : en fr
  • US1929790A - Stanchion locking mechanism : en
  • US1930299A - Envelope opening means : en
  • US1930339A - Amplifier : en
  • US1930352A - Process of preparing 1.4-aminohy-droxyanthraquinone : en
  • FR753286A - Universal filter for ordinary tap and giving filtered or running water at will : en fr
  • FR753360A - Method for obtaining a horizontal divergence of the light rays emitted by lighting projectors : en fr
  • GB399725A - Process for the treatment of fibrous cellulosic materials : en
  • US1930209A - Filter : en
  • CH164576A - Spirit level. : de en
  • CH164731A - Process for the preparation of a new sulfonic acid. : de en
  • DE585434C - Lifting and lowering support device for electrical equipment : de en
  • FR753151A - Material applicable in particular in the field of high frequency electric currents : en fr
  • DE580089C - Motor-driven plaster cast cutting device : de en
  • DK47852C - Device for Fastening Concrete Slabs in Buildings. : da en
  • FR753156A - Improvements to internal combustion engines, fuel injection : en fr
  • US1929553A - Releasing clamp : en
  • US1929894A - Gold leaf laying device : en
  • GB399547A - Automatic device for changing bobbins on power looms : en
  • DE585714C - Method for creating an optical depth effect : de en
  • US1929863A - Process of preparing ortho-aminocarboxylic acid esters of the anthraquinone series : en
  • US1930345A - Edge formation for composite panels and method of making same : en
  • DE585596C - Water decomposer of the filter press type : de en
  • DE585766C - Method for producing a plastic mass : de en
  • US1930015A - Agricultural machine : en
  • US1929587A - Telephone system : en
  • US1929622A - Counter : en
  • US1929881A - Apparatus and process for heating fluids : en
  • AU896532A - An improved process forthe treatment of fibrous plants forthe recovery ofthe fibres thereof : en
  • GB399660A - Method of and machine for re-conditioning tail shafts of ships : en
  • AT134811B - Process for the production of acetyl cellulose. : de en
  • CA336304A - Thermal insulator : en fr
  • GB399575A - Improvements in or relating to flue-gas washing apparatus : en
  • CA336294A - Annunciator : en fr
  • CH164481A - Water heater. : de en
  • CH164542A - Process for the processing of products which have been manufactured using gelatinized nitrocellulose. : de en
  • CH164544A - Process for the preparation of p-chlorobenzotrifluoride. : de en
  • CH164561A - Drive device on machines for casting stereotype plates or for back-casting of galvanos. : de en fr
  • GB399614A - Improvements, in or relating to apparatus for testing of articles by compression : en
  • DE585813C - Especially for medical purposes, electrically heated cold and warm water dispenser with temperature controller and a heating chamber : de en
  • DE585948C - Device for automatic influencing of automatic controllers : de en
  • US1929450A - Method of producing milk powder : en
  • FR753215A - Improvement brought to the automatic brake's high flow control valve : en fr
  • GB399812A - Improved sheet material for gaskets and other purposes and process of making the same : en
  • FI15500A - Förfaringssätt att göra pappersmaskinfiltar hållbara mot hetta och skydda desamma mot röta : en fi
  • FR42761E - Fret bolt for superimposed barrels : en fr
  • FR753362A - Method and device for the projection of relief films : en fr
  • GB400217A - Appliances for playing a board game simulating golf : en
  • US1930431A - Enlargement camera : en
  • FI15447A - The cuff and how to fold it : en fi
  • DE584182C - Double nut for additional radial locking : de en
  • US1929724A - Electric valve converting apparatus : en
  • GB399566A - Improvements in or relating to luminous electric discharge tubes, signs and designs : en
  • DE585822C - Hollow stone wall : de en
  • CA336323A - Automatic telephone system : en fr
  • CA336243A - Scaffold pole connecting device : en fr
  • DE585561C - Creasing device for sewing machines : de en
  • FR753335A - Process and device for the treatment of petroleum oils or other hydrocarbons in the presence of catalysts : en fr
  • CH164707A - Device for preventing vehicle weighing. : de en
  • FI15490A - Sewing needle for metal wire : en fi
  • AT134847B - Arrangement for the reproduction of optical sound films. : de en
  • CH164727A - Machine for working the ballast of railways. : en fr
  • GB399573A - Improvements in or relating to the production of coils especially of wire : en
  • US1930076A - Beam truck : en
  • US1930126A - Brake control : en
  • US1930239A - Elevator system : en
  • US1930055A - Tapered door and gate : en
  • CA336318A - Salesbook register : en fr
  • US1929579A - Combination golf tee and marker : en
  • AU951532A - Improvements in or relating to alkali-metal titanates and methods of making same : en
  • US1929920A - Terminal device with cord fastener : en
  • GB399593A - Improvements in and relating to sand blasting machines : en
  • CH164592A - Time pulse generator on master clocks for the operation of electrically remote-controlled slave clocks. : de en
  • FR753241A - Power supply device for internal combustion engines for fuel economy : en fr
  • FR753346A - Improvements relating to perforated devices particularly suitable for ventilation systems : en fr
  • GB399743A - Improvements in and relating to electric cable terminals : en
  • US1930214A - Surgical electrode : en
  • US1929583A - Apparatus for supplying cooled drinking water : en
  • US1929546A - Tumbling mill : en
  • US1929641A - Windlass : en
  • US1929655A - Oxidation resistant bimetal : en
  • CA336280A - Thermionic valve and circuit : en fr
  • AT134880B - Loading device for the drafting systems of roving. : de en
  • FR753326A - Electrical circuit control device : en fr
  • DE585244C - Electric jacquard card beating machine : de en
  • AT134854B - Telegraph receiver for sheet printing. : de en
  • US1930110A - Process for the production of fluorescent or phosphorescent substances : en
  • CH164506A - Cap closures, in particular for beverage bottles. : de en
  • DE585900C - Device for dampening the noise of electrically powered vacuum cleaners : de en
  • FR753214A - : fr
  • US1930157A - Radiator seal : en
  • CA336249A - Raining plant : en fr
  • CH164510A - Method and device for the production of rod warp pile fabrics. : de en
  • US1930377A - Process and apparatus for manufacture of solid fuel : en
  • US1930160A - Remote control system for radio instruments and the like : en
  • DE585540C - Device for the production of tubular rubber articles with fabric reinforcement, such as hoses : de en
  • CH164513A - Sewing machine for creating straight stitches and zigzag stitches by means of a sideways moving needle : de en
  • US1929515A - Automatic fluid control : en
  • US1929517A - Power brake construction : en
  • US1929557A - Spit for smokers' pipes : en
  • US1929560A - Age resisting rubber and rubber compounds : en
  • US1929845A - Radio aerial : en
  • CH164465A - Flower planter. : de en
  • US1930075A - Combined brake and clutch release for looms : en
  • DE585476C - Lens shutter : de en
  • AT134839B - Device for improving the capacitance symmetry of multi-core cables. : de en
  • AT134950B - Electrical system with consumers that are sensitive to voltage fluctuations. : de en
  • DE585817C - Children's bath : de en
  • CA336293A - Temperature recording device : en fr
  • AT134898B - Heatable spark plug. : de en
  • US1929628A - Lubricating device : en
  • US1930442A - Process for making combustible gas : en
  • FR753313A - Fan installation method for air-cooled engines and especially for motor vehicles : en fr
  • CA336246A - Metal spoke wheel : en fr
  • CA336263A - Shoe heater : en fr
  • CH164529A - Device for fixing a lace on an object. : en fr
  • US1929844A - Removable partition for gang switch boxes : en
  • CA336245A - Sorter or separator : en fr
  • US1929609A - Mop cleaner : en
  • US1930321A - Spool display device : en
  • AT134911B - Drain cock without a stuffing box. : de en
  • CA336340A - Fuel atomizing system : en fr
  • CA336346A - Draft rigging : en fr
  • US1930277A - Process for making clutch throwout bearing : en
  • US1929855A - Bottle cap remover : en
  • US1930264A - Electric current interrupter : en
  • USD90836S - Design for a textile fabric or : en
  • US1929871A - Parquet flooring : en
  • US1929892A - Carriage window : en
  • US1930059A - Hydraulic power transmission mechanism : en
  • US1929606A - Electric switch : en
  • US1929963A - Typewriter : en
  • DE586010C - Fan : de en
  • CA336361A - Engine fuel : en fr
  • AU946132A - Improvements in cupboard locks and the like : en
  • CA336204A - Sewage tank : en fr
  • GB399858A - Improvements in and relating to delivery valves of reciprocating pumps : en
  • US1929657A - Folding bed cover clamp : en
  • US1930255A - Telephone system : en
  • US1930342A - Golf practice club : en
  • CA336220A - Cellulose product manufacture : en fr
  • DE585719C - Embossing of characters or symbols in objects with curved boundary surfaces : de en
  • DE585965C - Process for the production of record blanks : de en
  • US1929578A - Electric time switch : en
  • US1929966A - Gauge mechanism for grinding machines and the like : en
  • AT134938B - Rotating clutch. : de en
  • CA336269A - Dichromate manufacture : en fr
  • US1929462A - Combination tank vent, flame arrester, and automatic snuffer : en
  • US1929599A - Sheet-wrapped package and opener : en
  • US1930023A - Tile support and fastener : en
  • CH164645A - Contactor with remote control. : de en
  • AT134832B - Heat-resistant chrome-aluminum-silicon-iron alloys. : de en
  • CH164612A - Hinge whose articulation axis is immobilized longitudinally. : en fr
  • DE586018C - Facility for dismantling : de en
  • CA336247A - Liquid separator : en fr
  • AT134862B - Sheet pile wall element and process for its manufacture. : de en
  • CH164585A - Projection device with automatic picture changing device. : de en
  • CH164572A - Children's vehicle. : de en
  • GB399785A - Turbo-electric propulsion for ships : en
  • US1929852A - Hydraulic belt tightener : en
  • US1929416A - Creeping traction : en
  • FI15503A - It is possible to use the product as a simple product : en fi
  • FR42753E - Process for coating the soles of sandals and slippers by applying vulcanized rubber and resulting products : en fr
  • GB399846A - Improvements in and relating to automatic control devices for electric arc welding apparatus : en
  • CA336302A - Motor speed regulator : en fr
  • CA336348A - Matrix-setting and type-line-casting machine : en fr
  • GB399556A - Improvements in or relating to diaphragms for sound reproducing instruments : en
  • GB399814A - Manufacture of plastic materials : en
  • GB399799A - Improvements in valve spring lifters : en
  • GB399663A - Improvements in searchlights with the reflecting surface formed with curved metallicplates : en
  • CH164492A - Door lock for roasting and baking ovens. : de en
  • CH164642A - Arc extinguishing device. : en fr
  • FI15471A - Specials : en fi
  • CH164644A - Plug-in contact device. : en fr
  • FR753400A - Tap head for pressurized liquid containers : en fr
  • US1929484A - Control for power mechanism : en
  • US1930250A - Core structure : en
  • US1930446A - Electrode coating apparatus : en
  • FR753373A - Process for the manufacture of electric resistances and products obtained by this process : en fr
  • DE585904C - Process for removing carbon from refractory rare metals : de en
  • USD90835S - Design fob a shoe sole : en
  • CH164726A - Screw with rotatable wings. : de en
  • DE585633C - Process for the production of endless metal bands : de en
  • DE585671C - Lubrication of wheel flanges or rails from the rail vehicle : de en
  • US1929410A - Cyclonic cooling tower : en
  • US1929695A - Method of forming metal bars for screen frames : en
  • GB399676A - Improvements in pattern charts for cutting costume coats, dresses and the like : en
  • US1929969A - Mechanical pencil : en
  • FR42778E - Television method and apparatus : en fr
  • GB399857A - Improvements in and relating to driving belts : en
  • US1929896A - Method and apparatus for applying fluid materials to moving surfaces : en
  • FR753274A - Automatic switch or installation maximum circuit breaker, with push-button control : en fr
  • US1930085A - Beacon : en
  • US1930337A - Electric furnace : en
  • US1929993A - Automatic washer : en
  • US1930093A - Electric switch : en
  • FI15460A - Strömbrytare : en fi
  • DE585898C - Dental contra-angle : de en
  • GB399759A - An improvement in or relating to pumps : en
  • DE585986C - Process for the preparation of a basic aluminum salt of acetylsalicylic acid : de en
  • US1929997A - Compressor or pump : en
  • DE585786C - Pack for bulk items : de en
  • US1929930A - Wire binding and tying machine : en
  • DE585943C - Method and device for the production of lignite briquettes : de en
  • GB399643A - Improvements in alloy steel springs and spring blanks : en
  • AT134806B - Extending table. : de en
  • CA336299A - Flexible shaft coupling : en fr
  • US1929907A - Gasoline purifier : en
  • DE585437C - Gas firing system with a compressed gas burner : de en
  • US1929571A - Electric power converting apparatus : en
  • USD90837S - Design for a bath room unit : en
  • GB399828A - Method of and means for cleaning ink wells and containers : en
  • US1929467A - Rack and shelf construction : en
  • US1930129A - Manufacture of aliphatic fluoro compounds : en
  • US1930171A - Railway traffic controlling apparatus : en
  • US1929615A - Packing and display container for merchandise : en
  • US1930038A - Steaming apparatus : en
  • DE585816C - Process for the production of alkali beryllium borate glasses : de en
  • US1929779A - Fender well tire carrier : en
  • US1930402A - Semiautomatic can seaming machine : en
  • GB399700A - Improvements in portable refrigerated containers for the preservation and transport of ice creams and other commodities : en
  • DE585779C - Device for forming and inserting the slider into the sliding sleeve of sliding boxes : de en
  • DE585962C - Nickel-silver-tin-copper alloys : de en
  • US1929568A - Reel : en
  • US1930415A - Receptacle mat : en
  • GB399625A - Improvements in, and relating to, conveyors : en
  • US1930149A - Gaseous electric discharge device : en
  • GB399581A - Improvements in anchor bolt or like metal fittings for floors, ceilings and walls : en
  • FI15463A - Sät att utvinna fett eller olja genom surgörande av naturliga råmaterial : en fi
  • GB399701A - Improvements in or connected with fishing trawl nets and floats for same : en
  • US1929818A - Plurality part side drop truck platform : en
  • US1930310A - Resilient mounting unit : en
  • GB399773A - Improvements in or relating to pneumatic hammers and similar percussive tools : en
  • US1929442A - Process for obtaining orthophosphoric acid and/or conversion products thereof : en
  • FR753202A - Billiards : en fr
  • US1929630A - Landing gear for aircraft : en
  • DE585823C - Hard alloy : de en
  • FR753173A - Powder against mildew : en fr
  • GB399752A - Improvements in ignition plugs : en
  • FI15449A - Porous vent piece, especially for venting fermentation fluids : en fi
  • FI15481A - Ojanpiennaraura : en fi
  • GB399608A - Improvements in machines for facilitating the stringing of lawn tennis and like rackets : en
  • GB399753A - Manufacture of solid stable diazo-azo-salts : en
  • GB399760A - Water ski : en
  • GB399613A - Cabinet wringer : en
  • FR42798E - Improvements to pressure limiting devices : en fr
  • FR753188A - Signaling lantern : en fr
  • FR42759E - Device for opening bottles or other containers with airtight closure, particularly those with crown stoppers or caps : en fr
  • FR753271A - Shatterproof composite glass and process for its manufacture : en fr
  • US1929466A - Method of making silver thiosulphate : en
  • US1929486A - Dyeing oxidized aluminum : en
  • US1929417A - Fair lead for excavators : en
  • US1929723A - Electric valve converting apparatus : en
  • US1929976A - Decimal tabulator : en
  • FR42776E - Process and devices for the preparation with or without pressure of gaseous substances such as, for example, hydrogen : en fr
  • DE585870C - Expandable and compressible multi-conductor power cable : de en
  • GB399784A - Electric back coupling for directly acting regulators with small control forces : en
  • GB399842A - Improved plastic masses for dental impressions : en
  • DE586009C - Firebox wall with lining of the pipes with a pair of protective blocks each : de en
  • CA336241A - Tire shoe : en fr
  • CA336324A - Telephone system : en fr
  • US1929485A - Apparatus for the transmission at alpha distance of graphics : en
  • US1929879A - Telegraph correction system : en
  • US1930259A - Machine to pierce and countersink forty holes in alpha wheel rim : en
  • US1929528A - Hydrogenation of carbonaceous material : en
  • US1929642A - Process for removing tannin from apple juice : en
  • CA336314A - Heat exchange unit making apparatus : en fr
  • CA336342A - Internal combustion engine : en fr
  • CH164599A - Instrument for the assembly and disassembly of mower blade sections. : en fr
  • DE585240C - Driving device for sheet piles and piles : de en
  • US1929761A - Manhole closure : en
  • US1929632A - Paper can machine : en
  • IE12749L - Manufacture of floor coverings : en
  • AT134816B - Ink pad. : de en
  • FR753245A - Machine for piercing and threading oyster shells and the like : en fr
  • FR753315A - Footwear manufacturing process and resulting new industrial product : en fr
  • CA336331A - Cement : en fr
  • GB399525A - Improvements in or relating to the securing together of parts of shoes by adhesive : en
  • US1929512A - Construction and control of aircraft having air actuated sustaining means : en
  • US1929535A - Apparatus for forming fibrous bellmouth tube ends : en
  • US1929703A - Lumber marking machine : en
  • US1929549A - Work-presenting device for marking machines : en
  • US1930234A - Refrigerator tray or drawer : en
  • FR753267A - Dolls and mannequins that can perform movements : en fr
  • GB399673A - Improvements in comb attachment for carpet sweepers : en
  • SE78618C1 - : sv
  • US1929747A - Clothes washing machine : en
  • US1929827A - Oil well pump : en
  • DE585770C - Process for influencing the ferromagnetic properties of ferromagnetic substances : de en
  • FR42774E - Improvements in methods and devices for obtaining cables with multiple conductors, the latter having a section other than circular : en fr
  • GB399565A - Coin collecting and refunding arrangement for telephone systems : en
  • DE585867C - Automatic flushing device for row abort systems : de en
  • DE585990C - Gas-filled electric light tubes : de en
  • FR753257A - Conveyor device for glass working machine : en fr
  • US1930188A - Orthopedic brace : en
  • US1929890A - Regulating means for independently fired superheaters : en
  • US1929661A - Electron tube : en
  • FR753175A - Extending and lifting device for tables replacing wooden slides : en fr
  • GB399548A - Improvements in or relating to frame aerials for wireless reception : en
  • GB400221A - Electrolytic meters or recording devices : en
  • DE585598C - Method for operating trains from indirectly electrically controlled, in particular electrically operated vehicles : de en
  • DE586012C - Process for producing pure medicinal air : de en
  • US1929638A - Apparatus for automatically flushing sewers : en
  • US1929776A - Telephone booth : en
  • CA336336A - Dimmer switch : en fr
  • DE585819C - Carriage pusher : de en
  • FR753319A - Spring wheel for rail vehicles : en fr
  • AT134884B - Procedure for replacing utility poles. : de en
  • US1929899A - Boiler : en
  • US1930204A - Golf shaft : en
  • US1929824A - Press plate or the like and method of making the same : en
  • US1930070A - Electric discharge tube : en
  • US1929913A - Conveyer system : en
  • US1930199A - Aeroplane : en
  • DE573890C - Process for the production of pipe bends or the like. : de en
  • CA336333A - Indicating fuse : en fr
  • CH164601A - Multi-spindle drilling machine. : de en
  • DE585767C - Process for sintering substances containing water of hydration : de en
  • CA336335A - Baking composition : en fr
  • US1929411A - Cooling tower : en
  • US1930278A - Oscillation generator : en
  • CH164687A - Telecommunication system. : de en
  • CH164522A - Process for the manufacture of preparations of starch degrading enzymes. : de en
  • CH164690A - Sound device. : en fr
  • AT134865B - Device for recording and playing back sound films with mechanical sound recording based on the Berlin script. : de en
  • AT134913B - : de en
  • CH164639A - Device for winding and unwinding a cord to which is attached, for example, an electric lamp. : en fr
  • AT134850B - Motor plow usable as a car. : de en
  • US1930271A - Manufacture of aluminates : en
  • US1929475A - Piston construction : en
  • US1929623A - Doorstop : en
  • US1929964A - Scythe snath : en
  • CH164587A - Portable watch with automatic winding mechanism. : en fr
  • US1929545A - Snap switch and actuator : en
  • US1930270A - Portable telephone set : en
  • US1930373A - Metal spray gun : en
  • US1929782A - Clutch : en
  • US1930187A - Riveting anchor for fastening sheef metal : en
  • AT134824B - Drop flap relay. : de en
  • CA336237A - Sewage conditioning method : en fr
  • CH164484A - Device for burning, cooling, drying, calcining or sintering materials of various kinds. : de en
  • CH164487A - Hold-openers for window and door sashes. : de en
  • CH164673A - Device for the electrical treatment of the scalp. : en fr
  • CH164728A - Device for baking and frying food. : de en
  • CH164655A - Anode protection grid. : de en
  • CH164665A - Burner. : en fr
  • CH164737A - Process for the preparation of a halogen derivative of 2-aminonaphthalene-1-sulfonic acid. : de en
  • DK47844C - Electrical Switch. : da en
  • FR753186A - Multicolored light tubes mounting method : en fr
  • AU911732A - An improved lifting device for disc cultivators and similar agricultural implements : en
  • CH164632A - Starting and regulating device for refrigeration systems with turbo compressors. : de en
  • FR753252A - : fr
  • AT134802B - Mower knife grinding machine. : de en
  • CA336284A - Luminous cold weather tube : en fr
  • CA336313A - Slide fastener : en fr
  • CA336365A - Saw : en fr
  • CH164652A - Spark gap device. : de en
  • US1930140A - Acid hardening fixing bath : en
  • CH164527A - Pattern sheet. : de en
  • AT134927B - Rapid excitation of alternating current machines. : de en
  • DE585729C - Paper machine for the production of multilayer paper with the aid of at least two breast rolls designed as suction rolls : de en
  • DE585797C - Winding device for the production of boxes, sleeves, etc. like : de en
  • FR753256A - Process for forming characters, letters, signs, images, etc., on aluminum or aluminum alloys : en fr
  • US1930212A - Sick room jacket : en
  • US1929646A - Steering mechanism : en
  • US1929859A - Photo-electric cell controls for highway barriers : en
  • US1930311A - Display stand : en
  • FR753198A - Further development of celluloid spectacle frames : en fr
  • DE584697C - Roll-up device for dough pieces : de en
  • CA336265A - Brake : en fr
  • DE585932C - Blocking of a dispensing and measuring device : de en
  • AT134831B - Screw socket. : de en
  • CH164640A - Rotary switch with leaf spring tilt lock. : de en
  • GB399690A - Improvements in and connected with tubular heat-exchange apparatus for fluids : en
  • CH164477A - Concrete road. : de en
  • GB399687A - Improvements in the production of inert gas : en
  • US1929543A - Slicing machine : en
  • DE585496C - Rolling mill for crushing plastic masses, in particular clay : de en
  • US1930019A - Massage device : en
  • US1929414A - Combined valve and piston : en
  • US1929847A - Production of condensation products of 1.5-dihalogen anthraquinones : en
  • CH164648A - Electrical regulator with intermittently contact-closing parts. : de en
  • AT134915B - Device for the automatic control of electrically operated vehicles for individual and group journeys. : de en
  • CA336226A - Rubber goods surface : en fr
  • DE585718C - Device for grinding safety razor blades on the inside of a glass o. : de en
  • CA336351A - Shuttle for sewing machines : en fr
  • GB399653A - Average speed indicator : en
  • DE585748C - Loudspeaker built into a housing : de en
  • DE585827C - Tine with reversible share for soil cultivation equipment with a rotating tine drum : de en
  • US1930133A - Decolorizing process : en
  • US1929407A - Multiple quantity repeating automatic meter : en
  • US1930161A - Fin winding machine : en
  • DE585805C - Steel broom : de en
  • US1930040A - Valve : en
  • FR753210A - Coupling of grid-controlled electrical discharge devices for the static transformation of electrical energy into alternating current : en fr
  • CA336225A - Footwear : en fr
  • DE585763C - Soap rust : de en
  • FI15491A - Envelope : en fi
  • CA336281A - Electric glow discharge tube : en fr
  • DE585924C - Process for the production of a two-color or multi-color screen for photographic color images : de en
  • FR753291A - Support for displaying goods : en fr
  • US1930249A - Process of recovering treating agent from sludge : en
  • US1929421A - Automatic disconnecter : en
  • US1929909A - Manufacture of die blocks and the like : en
  • CA336316A - Paper making machine : en fr
  • CA336272A - Tube making method : en fr
  • FR753345A - Sheet pile : en fr
  • GB399589A - Improvements in and relating to the loading or unloading of vessels : en
  • GB399622A - Brakes and their controls : en
  • DE585834C - Milling machine with a milling carriage that can be moved vertically between two stand parts : de en
  • US1929707A - Conveyer : en
  • US1930326A - Cut-out for incandescent lamps and similar articles : en
  • GB399739A - Improvements in or relating to the removal of water from webs of stuff on the fourdrinier wires of paper-making, boardmaking and like machines : en
  • CH164666A - Device for illuminating small areas. : de en
  • US1929875A - Dyestuffs and intermediates of the anthraquinone series : en
  • US1930139A - Photographic printer : en
  • US1930314A - Wall support for plumbing fixtures : en
  • US1930383A - Glass grinding and polishing machine : en
  • DE585853C - Gun barrel with exchangeable, conical chuck : de en
  • FI15497A - Sätt för överförande av träflis till massa eller pulp : en fi
  • FR753399A - Advanced electric motor : en fr
  • GB400586A - Improvements in processes for heat-treating metals : en
  • US1929665A - Apparatus for dissociating hydrocarbon gases : en
  • FR753201A - Apparatus for tightening bundles, bundles or others, before tying them : en fr
  • CH164616A - Device for sealing rotating shafts. : de en
  • US1930103A - Container : en
  • US1929686A - Electric swivel connecter : en
  • US1929491A - Shaft and seal assembly : en
  • DE586017C - Safety pocket watch stand : de en
  • US1929572A - Automobile jack : en
  • US1929841A - Absorption system : en
  • US1930025A - Internal combustion engine : en
  • US1929443A - Process for obtaining alkali metal phosphates : en
  • US1929702A - Tank gauging hatch : en
  • US1929598A - Keyless lock : en
  • US1930084A - Starting apparatus for electric discharge devices : en
  • US1930022A - Chuck : en
  • US1930360A - Apparatus for the lye treatment and washing of clothes : en
  • US1929420A - Rock drilling apparatus : en
  • US1930091A - Preparation of lard : en
  • FR753380A - Improvements to devices to prevent unauthorized unscrewing of threaded parts, in particular of spare wheel retaining nuts for motor vehicles : en fr
  • GB399800A - Improvements in treating yarns : en
  • US1930347A - Holder for recipe books and the like : en
  • FR753310A - Method of controlling apparatus for stabilizing ships : en fr
  • DE585693C - Equipment for the production of capsules from fast setting liquid material : de en
  • FR753261A - Sprayer improvements : en fr
  • GB399659A - Improvements in humidifying attachments for heating radiators : en
  • DE585865C - Seal for slide locks, especially riflemen and lock gates : de en
  • GB399585A - Improvements relating to furnace grates : en
  • GB399751A - Improvements in telescopic instruments for measuring objects at a distance : en
  • CH164602A - Jig drilling machine. : de en
  • USD90845S - Design for a chandelier : en
  • DE585544C - Process for the extraction of copper from solutions obtained by gradually leaching chlorinated roasted gravel : de en
  • DE585880C - Cooker absorber for periodically operating refrigeration machines : de en
  • DE586002C - Electric machine, in particular electric high-voltage machine : de en
  • FR753219A - Ashtray : en fr
  • GB399677A - Improvements in or relating to methods of producing paper-like sheets of fibrous material for writing or printing upon : en
  • DE585286C - Motor generator for driving gyroscopes with a large momentum : de en
  • FR42755E - System for regulating sound and talking cinematographic devices and application of this process to these devices : en fr
  • US1929718A - Slicing machine : en
  • US1929842A - Apparatus for the manufacture of glass containers : en
  • GB399624A - Improvements in or connected with hinged stays for swing mirrors, casements and other swinging objects : en
  • FR753363A - Electric motor using the kinetic energy of gas ions : en fr
  • FR753294A - Pneumatic tire wheel for automobiles : en fr
  • GB399713A - Anti-halation layers for photographic plates and films : en
  • GB399817A - Process for the manufacture of softening agents : en
  • US1929952A - Cooling units for refrigeration purposes and method of making same : en
  • US1929650A - Tube cleaner : en
  • US1930356A - Life guard : en
  • DE586022C - Elliptical compass : de en
  • FR753306A - Motor vehicle warning device : en fr
  • GB399611A - Improvements in electrical current transformers : en
  • GB399724A - Manufacture of vat-dyestuffs of the anthraquinone series : en
  • DE577523C - Explosion impact tool : de en
  • FR753165A - Silo pit with emptying device : en fr
  • DE585723C - Device for monitoring the overloading of continuously working thickeners and similar machines : de en
  • DE585979C - U-shaped sealing tape for cans and cans that can be joined together by soldering. like : de en
  • FR753278A - Mixing device : en fr
  • DE585850C - Cartridge chamber : de en
  • FI15483A - Alarm device for egg incubators : en fi
  • FI15506A - Tång för ringing and smörjning av bladfjädrar vid motorfordon och liknande : en fi
  • FR753394A - Manufacturing process for alloys containing boron : en fr
  • GB399699A - Emergency door fastenings : en
  • CA336208A - Foil, film and sheet production : en fr
  • CH164610A - Rotary drive razor. : de en
  • FR753333A - Process for the preparation of coatings for foodstuffs, particularly for meat and fish : en fr
  • GB399629A - Improvements in or relating to variable speed gearing : en
  • AT134902B - Type-printed telegraph receivers with types combined in a plurality of groups. : de en
  • CH164689A - Attachment for radio receivers to increase the selectivity. : de en
  • CH164554A - Made resistant to corrosion by this process.n adsorptive oxide coating on the surface of aluminum or aluminum alloy objects, and aluminum or aluminum alloy object, having an oxide coating : en fr
  • CH164560A - Quick binding folder for folded sheets, magazines, etc. : de en
  • USD90847S - Design fob a sign : en
  • AU950532A - Temperature regulation in destructive hydrogenation : en
  • AT134894B - Transmission. : de en
  • GB399856A - Improved sheet material for gaskets and other purposes and process of making the same : en
  • DE586014C - Furniture : de en
  • AT134815B - Numbering stamp with several type wheels lying next to each other on the same axis. : de en
  • US1930012A - Water closet : en
  • US1929468A - Card holder : en
  • US1929822A - Playground apparatus : en
  • US1929850A - Tractor wheel : en
  • US1930060A - Stream regulator : en
  • US1930414A - Refrigerating apparatus : en
  • DE585253C - Process for the production of thin-walled hollow glass bodies : de en
  • US1929470A - Foam cell : en
  • US1929554A - Steel and articles made therefrom : en
  • US1929651A - Generator ignition control : en
  • USD90852S - Design for a tot ship : en
  • US1930043A - Baggage : en
  • USRE18966E - Controlling device for brake cams : en
  • AT134900B - Paddle wheel with swiveling blades. : de en
  • AT134874B - Drive device for drum washing machines. : de en
  • CH164696A - Display stand for stockings. : de en
  • CH164515A - Electrical equipment for household sewing machines. : de en
  • AT134910B - Return barrel gun with automatically adjustable flow limitation. : de en
  • CH164662A - Gas shut-off device with gas tap and thermostat for automatic closing of the gas tap. : de en
  • AU944532A - Method of and means for blending butter : en
  • CH164630A - Steam generator with superheater and a feed pump designed as a multi-stage centrifugal pump. : de en
  • US1930267A - Testing and adjusting device : en
  • US1929527A - Flood-gate for culverts : en
  • US1930266A - Sorting machine : en
  • US1930332A - Indicating fuse plug : en
  • CA336370A - Dyestuff : en fr
  • CH164471A - Garage door. : de en
  • CH164517A - Darning and embroidery needle. : de en
  • DE585642C - Power brake device, in particular for motor vehicles : de en
  • DE585845C - Procedure for the operation of unmanned signal buoys : de en
  • AT134835B - Electrical system for rectifying alternating current. : de en
  • CA336261A - Water pump packing : en fr
  • US1929867A - Attachment for controlling at alpha large distance valves of the nonrising stem type : en
  • US1930163A - Pump : en
  • CA336283A - Thiourea manufacture : en fr
  • AT134926B - Method for reducing crosstalk in multiple lines where several lines are discussed with the same text at the same time. : de en
  • US1930439A - Apparatus for forming glass parisons : en
  • US1929795A - Process for cracking hydrocarbon oil : en
  • US1929886A - Internal-combustion engine of the radial type : en
  • CA336282A - Filament production : en fr
  • CH164567A - Drawing instrument. : en fr
  • CH164702A - Method and device for connecting the overlapping ends of metal straps for packaging. : de en
  • FR753371A - Trellis connection : en fr
  • DE585869C - Process for the production of malleable cast iron : de en
  • GB400191A - Improvements in and relating to electrical apparatus for the detection or measurement of phase differences or for both purposes : en
  • US1929977A - Sliding door support : en
  • DE585781C - Writing board with exchangeable writing surface : de en
  • US1929596A - File : en
  • US1929752A - Variable frequency oscillator : en
  • AT134812B - Process and apparatus for generating low-carbon and high-heat double gas from young, water-rich fuels, such as lignite, lignites, peat or the like. : de en
  • CH164697A - Suitcase. : en fr
  • AU1045232A - Improved unit of lattice fencing material : en
  • CA336266A - Brake mechanism control : en fr
  • CA336328A - Truss pad : en fr
  • USD90849S - Design fob a table : en
  • DE585968C - Double steel holder, in which the steel bars are held adjustable in the steel holder housing in rotating rollers : de en
  • US1929457A - Rock drill : en
  • US1930137A - Apparatus for varying illumination : en
  • CA336232A - Fish lure : en fr
  • CH164613A - Device for protecting cigarettes in so-called Maryland packs. : de en
  • CH164502A - Device warning of the boiling of milk contained in a container in which it is heated. : en fr
  • AT134861B - Telecommunication and remote control system. : de en
  • CH164663A - Pilot burner device. : de en
  • US1929584A - Bath device for bird cages and the like : en
  • US1929670A - Control apparatus : en
  • US1930276A - Clutch throw-out bearing : en
  • DE580108C - Thickening device for liquids, especially milk : de en
  • FI15462A - Boningsmas, skokräm o.d. the same rules apply to framställning : en fi
  • FR42781E - Improvements to rotary bottle capping machines : en fr
  • FR753379A - Improvements made to devices for mounting objects such as ashtrays, bouquet holders, etc., on a support, for example the dashboard of motor vehicles : en fr
  • FR753395A - Wedge that can replace two different corners : en fr
  • CH164606A - A method of manufacturing rubber articles. : en fr
  • AT134886B - Method of patterning fabrics. : de en
  • CH164653A - Electric discharge tube with indirectly heated cathode. : de en
  • US1929497A - Method of locking wires and locking tool for use therein : en
  • CH164620A - Circulating pump. : de en
  • CA336242A - Stove with fuel container : en fr
  • CH164708A - Drawbar, in particular for mowing machines. : de en
  • US1929432A - Method of making paper and similar products : en
  • US1929915A - Method of and apparatus for removing alpha covering from alpha core : en
  • US1929525A - Intercentric gauge : en
  • US1929785A - Personal hygiene cabinet : en
  • US1930142A - Cellulose ester composition : en
  • AT134890B - Circulating lubrication device. : de en
  • US1929502A - Process of treating sulphide materials : en
  • US1929917A - Mop : en
  • US1930297A - Lubricating apparatus : en
  • US1929865A - Cut-off and transfer mechanism : en
  • US1929901A - Process for the separation of liquids : en
  • US1930156A - Substation : en
  • US1929750A - Hose fitting for fluid pressure systems : en
  • DE585949C - Device for cleaning letterpress forms and rollers : de en
  • GB399636A - Improvements in or relating to valve tripping mechanisms such as are used in gas meters : en
  • US1929888A - Glaze breaker : en
  • FR753163A - Hydraulic press with mobile head for platemaking and drying of stereotype impressions : en fr
  • US1929531A - Windshield construction and cleaner therefor : en
  • US1930128A - Rigid filter medium : en
  • US1929961A - Hand scudding beam : en
  • DE585787C - Side seal for flap weirs : de en
  • GB400173A - Improvements in or relating to direct injection compression ignition internal combustion engines : en
  • GB400200A - Improvements in and relating to moulding articles of concrete or other plastic material : en
  • DE585415C - Metal pipe and extrusion press : de en
  • DE585875C - Wringer : de en
  • FR753197A - Narrow gauge tractor : en fr
  • FR42763E - Automatic brake linkage adjuster : en fr
  • FR42780E - Method and device for obtaining positive images that restore natural colors : en fr
  • GB399801A - Improvements in or relating to the construction of pistons : en
  • US1929427A - Explosion turbine power plant : en
  • US1929987A - Rod reducing apparatus : en
  • US1929936A - Vaporizer for refrigerating apparatus : en
  • US1930287A - Method of compressing powdered materials : en
  • US1930361A - Contractible and expansible well packer : en
  • FI15523A - Shelf life : en fi
  • DE585772C - Potato planting machine with laying roller : de en
  • DE585895C - Electric water heater with heat storage : de en
  • DE585903C - Process for the production of foils : de en
  • DE585811C - Method for determining the magnetic field strength : de en
  • AT134857B - Grid electrodes for electron tubes. : de en
  • US1930348A - Desk : en
  • DE585725C - Process for the production of a fertilizer from separating sludge : de en
  • GB399602A - Improvements in gear cutters : en
  • US1929514A - Superheater : en
  • US1930108A - Separator : en
  • US1930443A - Process of making combustible gas : en
  • FR42790E - Improvements to games in which a loaded vehicle is manually launched on a guide towards a determined goal : en fr
  • FR753230A - Cover for electrical switches : en fr
  • DE585564C - Aircraft controls : de en
  • GB399716A - Improvements in or relating to thermionic oscillation generators : en
  • AT134809B - Knife sharpening device. : de en
  • AT134821B - Steam curtain firing. : de en
  • CA336251A - Windwheel governor : en fr
  • CH164724A - Plane. : en fr
  • GB400172A - Material for frictional members, bearings, driving gear and the like and method of producing same : en
  • FR42795E - Connection for tight fixing of gas hose nozzles : en fr
  • DE585891C - Arrangement for swing-free voltage regulation of AC power lines by means of compensation devices : de en
  • US1929825A - Illuminable sprinkler : en
  • US1929923A - Permeable diaphragm : en
  • US1930016A - Mining machine : en
  • US1930336A - Fourdrinier belt : en
  • FR753211A - Device for the rapid disconnection of excessive current auto-switches, in the form of a base : en fr
  • FR753205A - automatic unloading hoist and file lifts : en fr
  • US1930410A - Reversing rolling mill : en
  • US1929715A - Current indicator : en
  • US1930380A - Supporting surface for aircraft : en
  • DE585981C - Shotgun barrel : de en
  • GB399689A - Improvements in binding arrangements for sheets and leaflets : en
  • DE585591C - Self-release for photographic lens shutters : de en
  • DE585749C - Telephone receivers for use in noisy environments : de en
  • FR753290A - Process for the production of artificial fibers in the shape of spindles : en fr
  • DE585841C - Heater for motor vehicles : de en
  • GB399840A - Means for preventing the entrance of a fox or like animal into a fowl-house, pigeon-cote or the like : en
  • GB399577A - Improvements connected with electric cables stored in coils and on reels : en
  • US1929643A - Valve : en
  • GB399765A - Bathing boat : en
  • FR753242A - Slide rails on guides for vertical filing : en fr
  • DE585664C - Instrument for examining boreholes : de en
  • DE585861C - Detachable connection of braced support legs to mounts : de en
  • FR753386A - Advanced vibrator, more particularly intended for chipmaking machines : en fr
  • FR753381A - Improvements made to devices to ensure the temporary connection between two parts, in particular to motor vehicle hood closing devices : en fr
  • GB399723A - Process for the manufacture of aromatic hydroxy aldehydes : en
  • FR753385A - Stapling pliers : en fr
  • GB399655A - Improvements in and connected with apparatus for producing combustible gas from volatile liquid fuels : en
  • FR753254A - Piston pump for delivering liquids, in particular fuel oils for internal combustion engines : en fr
  • GB399530A - Improvements in or relating to swivel-couplings : en
  • GB399766A - Improved method of and apparatus for rolling strip metal : en
  • US1930062A - Temperature indicating thermostat : en
  • DE585815C - Hand-sewn tip : de en
  • US1929439A - Machine for facing flanges : en
  • US1929436A - Variable pitch propeller : en
  • GB399782A - Improvements in the mounting of crankshafts of internal combustion engines : en
  • GB399834A - Improvements in stair carpet and like fasteners : en
  • DK47860C - Electric Lighting Device. : da en
  • GB399816A - Improvements in or relating to the manufacture of aqueous finishings and body colours : en
  • DE572112C - Production of hydrogen peroxide : de en
  • DE585285C - Damper winding for electrical machines, especially single armature converters : de en
  • DE585552C - Drive device for machines : de en
  • DE585907C - Device for balancing circulating bodies : de en
  • GB399822A - Improvements in processes and apparatus for the manufacture of artificial filaments and like materials : en
  • US1930067A - Motor vehicle : en
  • AT134896B - : de en
  • FI15461A - Bandfilter, särskilt för multipeltelefoni och -telegrafi : en fi
  • DE585717C - Propeller with automatically variable pitch : de en
  • US1930230A - Process of producing cellulose acetate yarns and product thereof : en
  • US1929918A - Receptacle : en
  • FR42789E - Sleeper compartment : en fr
  • DK47850C - Razor. : da en
  • DE585961C - Process for the production of colored phenol-aldehyde resin compositions : de en
  • DE585991C - Cutting edge seal for the end piston of containers for storing gas, steam or easily evaporating liquids : de en
  • US1930011A - Compressor and the like : en
  • FR753153A - Board game : en fr
  • US1929883A - Buffer : en
  • US1929404A - Lubricant distributing system : en
  • US1929524A - Traveling bag : en
  • US1930233A - Refrigerator drawer : en
  • FR753190A - Tray for filter press and filters with application : en fr
  • GB399591A - Improvements in or relating to looped fabrics and garments made from the same : en
  • US1929877A - Apparatus for applying coatings to surfaces particularly to the surfaces of flexiblestrip material : en
  • FI15496A - Refunds and anchoring for cellulose and fats : en fi
  • GB399620A - Improvements in or relating to servo clutch operating systems for motor vehicles : en
  • DE571373C - Angle measuring device in connection with gyro compasses : de en
  • FR42794E - Grating machine : en fr
  • DE585993C - Device for pressing metal pipes, lead cable shells and the like. like : de en
  • FR753209A - Sprinkler with lid with sprinkling openings closed by means of pins : en fr
  • FR753283A - Household appliance for making pasta : en fr
  • GB399680A - Process of and apparatus for effecting adsorptions : en
  • US1930111A - Furniture construction : en
  • FR753324A - Retort charging machine : en fr
  • FR753160A - Heating device for automobiles : en fr
  • FR753366A - Device for the manufacture of felt webs of spun glass or similar materials : en fr
  • US1930198A - Supercharging of internal combustion engines : en
  • DK47865C - Procedure for Sterilizing or Heating Products in Cans Using Electric Power. : da en
  • DE585992C - Process for the enrichment of invertase in brewer's yeast : de en
  • GB399578A - Method and apparatus for veneering : en
  • DE585404C - Safety device for conveyor machines : de en
  • FR753339A - Improvements to control devices for rotary lift elements for airplanes : en fr
  • FR753221A - Single axle trailer, especially for motor vehicles : en fr
  • CA336285A - Luminous tube : en fr
  • CA336255A - Washing machine : en fr
  • CA336209A - Iodine battery : en fr
  • CA336325A - Pulp manufacture : en fr
  • CH164511A - Shuttle from looms with spindle. : en it
  • CH164739A - Process for the production of a new azo dye. : de en
  • US1929872A - Psychological test machine : en
  • AU1084533A - Improvements relating togas heated heating apparatus ofthe radiator type : en
  • US1930114A - Diaper : en
  • US1929767A - Brake arrangement : en
  • US1929786A - Preparation of chondroitin compounds : en
  • CH164494A - Equipment for brushing, sweeping, polishing, etc. : de en
  • CH164718A - Control device for bogies. : de en
  • CH164520A - Method of preparing a wetting and penetrating agent. : de en
  • FI15459A - Kopplingsanordning vid telefonanläggningar med avgiftsapparater : en fi
  • US1929449A - Work sheet guiding means : en
  • US1929675A - Method of disposing of refinery wastes : en
  • US1929798A - Pie ventilator : en
  • US1929853A - Azo dyestuff : en
  • US1929990A - Rectilinear induction motor : en
  • US1930058A - Automatic key operating mechanism for embossing machines and the like : en
  • USD90858S - Design for an advertising lamp : en
  • US1929668A - Indicating device : en
  • US1929817A - Culvert : en
  • AT134860B - Circuit for gas-electric vehicles. : de en
  • US1930102A - Method of making alpha socketed wall : en
  • US1930178A - Composition for printing or graining : en
  • US1930207A - Road vehicle construction : en
  • DE585773C - Protection device for the cutting unit of mowing machines : de en
  • GB399558A - Apparatus for comparing photographic transparencies : en
  • US1929620A - Railway truck structure : en
  • US1929636A - Tire carrier : en
  • GB399599A - Improved process of and apparatus for cleansing raw or manufactured wool : en
  • DE585808C - Blast furnace with a filling shaft open at the bottom : de en
  • GB399568A - Improvements in date indicators for calendars : en
  • CH164564A - Power driven accounting machine. : de en
  • US1929992A - Casing for typewriters : en
  • US1929482A - Loose leaf binder support : en
  • US1929610A - Thermostatic liquid flow control device : en
  • US1930013A - Multiple drilling machine : en
  • US1930288A - Synchronous motor clock : en
  • US1930437A - Method of compounding oil-resistant rubber stock and product made thereby : en
  • DE585940C - Expandable and compressible multi-conductor power cable : de en
  • DE586015C - Fitting with tightening surface for connecting furniture parts : de en
  • US1929739A - Method of bronze or brass treatment and application : en
  • US1929911A - Blasting cap : en
  • US1930368A - Valve oiler and silencer : en
  • US1929513A - Motor for elevator door operators : en
  • DE585825C - Procedure for measuring the internal energy absorption of materials under periodic loading : de en
  • DE585820C - Ceiling with a level soffit : de en
  • GB399781A - Improvements in and relating to insulating material for electric conductors : en
  • CA336363A - Aircraft : en fr
  • US1930412A - Apparatus for raising natural oils and other liquids by gaseous pressure : en
  • US1930201A - Air intake manifold for use on diesel engines : en
  • US1930316A - Method and apparatus for mounting filaments on the conductive supports of electric incandescent lamps : en
  • US1929603A - Manufacture of rubber goods : en
  • DE585839C - Self-acting adjusting device for internal shoe brakes, especially for motor vehicles : de en
  • GB399666A - Double-edged safety razor : en
  • GB400193A - Improvements in or relating to bookbinders' presses : en
  • AT134810B - Process for the production of artificial structures. : de en
  • CA336271A - Multi-ply paper making apparatus : en fr
  • FI15476A - Fog for the brand and type : en fi
  • GB399661A - Improvements in and relating to the manufacture of cigar fillers : en
  • US1929488A - Hoisting device : en
  • US1930231A - Process and apparatus for cracking petroleum oil : en
  • USD90854S - Design fob a neckpiece for a woman s : en
  • US1930279A - Motor control system : en
  • GB400202A - Improvements in and relating to electric regulating systems : en
  • DE585745C - Oven for hot chip-free hardening : de en
  • DE585794C - Device for degassing the lignite : de en
  • DE585887C - Support insulator composed of several individual elements with externally cemented fittings : de en
  • FR753282A - High efficiency kettle for kitchen stoves and others : en fr
  • FR753374A - Pneumatic message transmitter : en fr
  • GB399819A - Improvements in the method of and apparatus for mounting fastening members of sliding clasp fasteners : en
  • DE585810C - Machine for soldering the pole pieces to the cups of drying elements : de en
  • DK47851C - Oil burner. : da en
  • CH164711A - Watch holder for rear viewfinder. : en fr
  • GB399848A - Manufacture of higher alcohols from fats or fatty oils : en
  • US1929924A - Paper article and method of making it : en
  • US1929989A - Coping saw : en
  • US1930272A - Flexible brake operating means : en
  • FR42787E - Process for the preparation of chromates : en fr
  • FR753246A - Lever-rod applicable to internal combustion and steam engines : en fr
  • GB399730A - Method of and apparatus for conveying pulverulent and finegrained materials : en
  • US1930315A - Flash lamp : en
  • US1930397A - Knitted stocking : en
  • US1929521A - Alkali-metal titanate and method of making same : en
  • US1929569A - Sound amplifier : en
  • US1929688A - Ventilator : en
  • US1929956A - Lifting device : en
  • US1930206A - Headlight dimmer : en
  • US1930263A - Method of electrically butt welding sheet metal pipe : en
  • US1929465A - Atomizer : en
  • US1930224A - Bucket trap : en
  • US1930378A - Baby's safety strap and harness : en
  • US1930427A - Roof : en
  • US1930044A - Cleaning mitt : en
  • CH164741A - Process for the production of a new azo dye. : de en
  • AT134949B - Arrangement for the automatic reversing of DC motors. : de en
  • CA336203A - Mine or tunnel support : en fr
  • US1930394A - Electric apparatus for keeping food hot or heating same : en
  • CA336254A - Washing machine : en fr
  • CH164467A - Methods for combating scale and blood lice, especially the San José scale insect. : de en
  • US1930141A - Method of obtaining images of two different contrasts on alpha single film with alpha single development : en
  • US1930411A - Manufacture of crystalline menthol : en
  • USD90861S - Design for a neckpiece for a woman s : en
  • US1929413A - Electrical circuits : en
  • US1930151A - Heddle or drop-wire : en
  • US1930323A - Crucible furnace : en
  • CH164490A - Process for burning coal dust, oil, etc. : de en
  • CH164720A - Pressurized fluid braking device. : en fr
  • DE585812C - Electric incandescent lamp socket with cylindrical socket casing and cylindrical built-in module with switch device : de en
  • CH164684A - Sorting machine. : de en
  • US1929534A - Machine for marking partially finished lens blanks : en
  • US1930286A - Educational apparatus : en
  • USD90846S - Design fob a headdress : en
  • US1929418A - Gun sight : en
  • DE585630C - Device for testing the transmission parts on steam locomotives : de en
  • DE585894C - Incandescent cathode for discharge vessels : de en
  • DE585923C - Process for the production of two or more colored reflective images : de en
  • FR753316A - Method and apparatus for the purification of zinc : en fr
  • US1929611A - Variable speed drive : en
  • CH164586A - Luminous time indication device. : en fr
  • AT134928B - Voltage rotating field separator. : de en
  • US1929551A - Combined typewriter stand and desk : en
  • DE585848C - Lock with a key remaining in the lock : de en
  • US1929994A - Automatic motor cut-off and warning signal for stokers : en
  • DE585840C - Containers of variable volume : de en
  • DE585398C - Dry planographic printing process in which a printing plate is written on directly or provided with a print image produced in transfer printing ink by means of transfer : de en
  • DE585936C - Method of packaging cigarettes : de en
  • CA336224A - Cellulose product manufacture : en fr
  • CH164486A - Push-button control device for flushing the toilet bowls. : en fr
  • DE585792C - Device for winding springs : de en
  • CA336289A - Milking machine pulsator : en fr
  • DK47862C - Heat distribution body (Top plate) for electric hobs. : da en
  • GB399632A - Improvements relating to automatic and semi-automatic telephone systems : en
  • AT134807B - Impeller liquid meter. : de en
  • AT134876B - Process for the production of fabrics. : de en
  • CH164496A - Device for suspending an instrument, in particular applicable to brushes and brooms. : en fr
  • DE585775C - Expansion compensator for pipes : de en
  • CA336250A - Paper stuff hydrator : en fr
  • CA336374A - Microphone relay hearing apparatus : en fr
  • CH164719A - A makeshift coupling of the type of an automatic central buffer coupling to be suspended from the draw hook of the normal railway vehicle coupling. : de en
  • US1929456A - Carton structure : en
  • US1929716A - Clutch plate : en
  • CA336308A - Coal stoker : en fr
  • CA336373A - Acetic acid : en fr
  • IE12736L - Moulding concrete articles : en
  • CH164636A - Plug for multi-pole connection cables. : de en
  • AU963332A - Improvements in and relating to liquid measuring and dispensing appliances : en
  • US1929625A - Calculating machine : en
  • US1930195A - Electrolytic aluminum reduction : en
  • AT134855B - Method and machine for multi-colored spraying of fabric u. like. tracks. : de en
  • CH164485A - Apparatus for joining pieces of pipe. : de en
  • US1929887A - Control for internal combustion engines : en
  • US1929727A - Electric valve converting system : en
  • US1930304A - Shoe last : en
  • US1929700A - Bracket for resiliently supporting electric cables : en
  • US1930006A - Means for cleansing waste lubricating oils : en
  • US1930220A - Liquid cooling apparatus : en
  • US1929508A - Semiautomatic photographic cabinet : en
  • DE585727C - System for heating and moistening outdoor crops : de en
  • DE585728C - Process for the production of oxide layers on aluminum and its alloys : de en
  • FI15473A - Room humidifier : en fi
  • FI15482A - Pulsator for mkölkningsmaskiner : en fi
  • GB399674A - Improvements in or relating to knives, chisels, and the like spatula shaped hand tools and devices : en
  • FR753281A - Improvements to air-cooled water radiators : en fr
  • FR753356A - Signaling and tracking device for floating or sunken objects : en fr
  • GB399531A - Improvements in devices for massaging and other medical uses : en
  • FR753181A - New female socket element : en fr
  • GB399543A - Improvements in or relating to aerial equipment for aircraft radio installations : en
  • FI15479A - Indication for partial entry or difference between partial entry and total entry is included in the media : en fi
  • FI15484A - Pest insect cream for animals and humans : en fi
  • US1930112A - Braking apparatus : en
  • US1930274A - Insulating compound : en
  • US1929788A - Cube sugar dispenser : en
  • US1929868A - Cellulose derivative having alpha strong affinity for acid dyestuffs, and alpha process of making same : en
  • US1929453A - Synthetic rubber-like composition and method of making same : en
  • US1930010A - Method of recovering blast furnace flue dust : en
  • US1930063A - Reversible pressing board and stand therefor : en
  • US1930109A - Match container : en
  • GB399718A - Improvements in and relating to the production of hydrocyanic acid : en
  • GB399843A - Improvements in or relating to wireless aerials for use on short waves : en
  • CA336296A - Scale mechanism : en fr
  • CH164584A - Dynamic speaker. : de en
  • CH164475A - Apparatus for marking and delimiting certain areas such as streets, squares, etc. or parts of them, using white or colored lines. : de en
  • US1929676A - Refrigerator car : en
  • US1930082A - Gyroscopic compass : en
  • AT134892B - Fuel supply to internal combustion engines with working cylinders arranged in a star shape. : de en
  • US1929826A - Safety casing head : en
  • CA336301A - Alternating current meter : en fr
  • US1929704A - Time lock mechanism : en
  • US1929726A - Electric valve converting apparatus : en
  • US1929953A - Manufacture of hydraulic cement : en
  • US1930087A - Apparatus for and method of operating gaseous electric discharge devices : en
  • CA336312A - Pile fabric : en fr
  • CH164562A - Line break device on typing office machines. : de en
  • AT134819B - Device for conveying the cut tobacco to the cigarette machine. : de en
  • CA336364A - Skate : en fr
  • AU950032A - An improved combined stopper and applying device for containers of shoe cleaners, dressings andthe like : en
  • CH164491A - Electric cooker. : de en
  • CH164688A - Ballast for network receivers to prevent interference from the network. : de en
  • AT134823B - Roller for accounting and typewriters. : de en
  • DE585362C - Method and device for the production of open and closed double-walled hollow bodies by centrifugal casting : de en
  • DE586008C - Device for monitoring the chain tension in traveling grids : de en
  • FR42769E - Process for protecting lead against corrosion : en fr
  • GB399763A - Improvements in rudders : en
  • US1930054A - Purification of organic acids : en
  • US1930320A - Emasculatome : en
  • CH164571A - Note tables. : en fr
  • DE585126C - Device to adjust a display device by a combination of current pulses : de en
  • DE585982C - Grate for small coal to be inserted in the heating shafts of ring ovens, ring ovens and methods for using the grates : de en
  • US1930325A - Closure sealing apparatus : en
  • US1930390A - Wind driven unit : en
  • US1930445A - Price sign : en
  • US1929492A - Electric switch : en
  • CA336287A - Shoe manufacturing apparatus : en fr
  • CH164556A - Metal saving stain. : de en
  • CH164713A - Detachable connecting link for anti-skid chains. : de en
  • US1930455A - Method of and apparatus for proportioning flowing fluids : en
  • US1929532A - Adjustable boiler superheater : en
  • DE585933C - Window lock : de en
  • DE585987C - Procedure for maintaining the load readiness of steam turbines with electrical power generators : de en
  • FR753297A - Spinning machine for jute, hemp, pitte and other similar fibers : en fr
  • US1930027A - Valve mechanism : en
  • US1930159A - Remote control system for radio instruments : en
  • US1929944A - Molded pulp article : en
  • FR753232A - Improvements to television sets : en fr
  • US1929471A - Furniture : en
  • US1929696A - Restoring device for clinical thermometer receptacles : en
  • AT134853B - Process for the manufacture of oxide cathodes. : de en
  • US1929820A - Extension table : en
  • US1929483A - Autographic register : en
  • US1930181A - Theftroof fan mounting bracket : en
  • US1930289A - Synchronous motor clock : en
  • US1930419A - Ring for pistons of engines, pumps, and the like : en
  • US1929699A - Audion valve structure : en
  • US1930069A - Plastic material containing derivatives of cellulose : en
  • US1930078A - Web roll truck : en
  • US1929472A - Printing device : en
  • AT134907B - Auxiliary device for compressing parts of the patient's body when using X-rays. : de en
  • DE585831C - Arbitrarily operated control linkage of a prime mover : de en
  • US1929663A - Balanced yoke drive for locomotives : en
  • US1929967A - Size determining mechanism for automatic machines : en
  • US1930433A - Line space lock release mechanism : en
  • CH164523A - Apparatus for causing periodic over-washing of materials with a liquid. : de en
  • AU847732A - An improved lifting device for disc cultivators and similar agricultural implements : en
  • US1929805A - Hat ironing machine : en
  • USD90831S - Design for a display stand or the : en
  • US1929744A - Thread-tensioning device : en
  • US1929862A - Finger grip mechanism : en
  • DE585830C - Screw studs made of elastic material : de en
  • FI15498A - Förfaringssätt for cellulosamaterial : en fi
  • GB399615A - An improved device for use with cigarette ash trays or bowls for supporting cigarettes and the like : en
  • US1929516A - Toy shovel : en
  • FR753185A - Process for preparing anthraquinone series tank dyes : en fr
  • GB399750A - Improvements in and relating to methods of making articles of refractory material such as silica : en
  • US1929608A - Drill bit and method of making the same : en
  • US1929659A - Gas and vapor purification apparatus : en
  • DE585171C - Rail vehicle with end axles controlled by the middle bogie : de en
  • DE585497C - Device for heat exchange between solid and liquid substances on the one hand and gaseous substances on the other : de en
  • FR753233A - Drilling machine with ruler for construction sets : en fr
  • CH164683A - Composite business machine. : de en
  • US1930338A - Control system : en
  • US1929799A - Combined scarifier and scraper for trucks : en
  • CH164608A - Electric shaver. : de en
  • DE586019C - Detention cell, especially for police stations : de en
  • FR753317A - Sowing machine : en fr
  • US1930208A - Springless multiwheel vehicle suspension : en
  • US1930269A - Inductance device : en
  • US1929764A - Lubricating means : en
  • US1929673A - Collapsible mandrel : en
  • US1930290A - Arc welding apparatus : en
  • AT134916B - Switch with extinguishing agent for the cut-off arc, which is pressurized when switching off : de en
  • DE585202C - Murphy bed : de en
  • US1929424A - Fuel burning furnace : en
  • US1930284A - Device for filling and draining washing machines, and the like : en
  • USD90840S - Design for a rocket ship model : en
  • US1929848A - Cleaning implement : en
  • US1930298A - Hood fastener : en
  • DE585911C - Starter for internal combustion engines operated with compressed air or compressed gas : de en
  • GB399758A - Controlling device for electric drives for knitting machines : en
  • GB399805A - Improvements relating to self-adjusting tappet devices : en
  • DE585769C - Process for the chlorination of tin-containing starting materials : de en
  • GB399684A - Improvements in and relating to methods of manufacturing road surfaces : en
  • CA336338A - Bag manufacture : en fr
  • CH164489A - Articulated boiler for central heating. : de en
  • AU983632A - Improvements relating to electric boiling or hotplates : en
  • AT134867B - Pressure telegraph. : de en
  • AU1470633A - Improvements in or relating to method of manufacturing glowing members consisting of refractory metal : en
  • CA336216A - Clutch and transmission mechanism : en fr
  • CH164482A - Liquid heater. : de en
  • CH164546A - Process for the production of a new azo dye. : de en
  • DE585862C - Contact device for the transmission of electrical energy in the projectile fuse : de en
  • US1929662A - Motor driven tool switch : en
  • US1930341A - Zinc base die casting alloy : en
  • US1929780A - Replacement valve seat for internal combustion engines : en
  • US1930036A - Process of decorating webs of material : en
  • GB399545A - Improvements in knitted fabrics and methods of knitting the same : en
  • GB399678A - Means for cooling railway or other refrigerated vehicles : en
  • GB399733A - Improvements relating to the manufacture of gum-inhibited motor fuels : en
  • CH164661A - Lighting device. : en fr
  • CH164712A - Anti-skid chains for motor vehicles, in particular automobiles. : de en
  • US1929576A - Bow-spring mounting for the slide valves of triple valves : en
  • US1929769A - Antiskid chain : en
  • US1930123A - Electric discharge apparatus : en
  • US1929522A - Valve mechanism : en
  • CA336310A - Fuel gas processing : en fr
  • US1929672A - Elevator buffer : en
  • CH164603A - Jig drilling machine. : de en
  • CH164651A - Arrangement for regulating the frequency of self-excited inverters. : de en
  • CH164679A - Perfume squirt bottle. : de en
  • US1929431A - Constant current regulator for alternating current : en
  • US1929481A - Motor vehicle chassis : en
  • CH164625A - An energy system consisting of a steam generator with low liquid content and a steam engine system that works with intermediate steam extraction. : de en
  • US1929980A - Train-control system : en
  • US1929816A - Photographic border-printing frame : en
  • US1929711A - Razor : en
  • US1930384A - Straightener : en
  • AT134808B - Tiltable payment tray. : de en
  • CH164504A - Lid closure for overpressure cooking vessels. : de en
  • US1930092A - Mercury switch : en
  • US1930405A - Paper reeling machine : en
  • US1930119A - Dental alloy for cast dentures : en
  • CH164698A - Dismountable frame with hammock. : de en
  • CH164553A - Process for producing firmly adhering, pore-free, hammerable nickel layers on iron and steel. : de en
  • DE585710C - Device for drilling holes in long workpieces, such as flat irons, angle irons, or the like. : de en
  • CH164551A - Resistant wax-water-oil emulsion that can be used as a floor polish, shoe polish and the like. : de en
  • FR753341A - Method and device for automatic or semi-automatic control of the operation of furnaces and similar apparatus : en fr
  • FR753350A - Improvement in cables and electric wires : en fr
  • DE585376C - Piston rod attachment : de en
  • FR753393A - Resistant material consisting of reinforced rubber : en fr
  • GB399715A - Improvements in or relating to gas filled electric incandescent lamps having spirally shaped incandescent elements : en
  • FR753370A - Electric accumulator : en fr
  • DE586016C - Device for heating liquids : de en
  • GB399562A - Improvements in or relating to an ingot mould for the production of steel ingots : en
  • FI15505A - Maneuvering organization for brakes and sea trout : en fi
  • CH164591A - Timepiece for timing. : en fr
  • DK47846C - Device for preventing high and low frequency pulses from switching on a glow lamp connected to electron tube arrays in such a way that it prevents the tubes from generating oscillations. : da en
  • FR42791E - Control system for automatic weighing instruments : en fr
  • AT134912B - Göpel. : de en
  • US1929754A - Rotary well pump : en
  • US1930049A - Garment band : en
  • US1930170A - Apparatus for producing curved edged figures in relief in stone and the like : en
  • CH164638A - Electric circuit breaker. : de en
  • US1930420A - Ingot tilter : en
  • FR42792E - Improvement brought to the process and device for stabilization, maneuvering and propulsion of a flying aircraft with rotary wings (called gyroplane) driven by a motor, or rotating freely : en fr
  • CH164545A - Process for the preparation of a chloranthraquinone carboxylic acid. : de en
  • DE585931C - Liquid tap : de en
  • US1929452A - Process for obtaining acid metal phosphates : en
  • US1929629A - Stretching frame : en
  • US1929898A - Method of forming electrically welded hollow objects : en
  • US1930236A - Carton : en
  • CA336223A - Cellulose product manufacture : en fr
  • US1930268A - Scale bearing : en
  • US1930353A - Proportional control apparatus : en
  • CA336267A - Coal stoker : en fr
  • CH164714A - Electric lighting device with light dimming for bicycles. : de en
  • AT134825B - Sewing awl. : de en
  • US1929542A - Typewriter cabinet : en
  • US1929843A - Wire bale-tie : en
  • AT134934B - Arrangement for company management. : de en
  • DE573615C - Device for pasteurizing milk : de en
  • GB399815A - Improvements in or relating to automatic switches for use in telephone or like systems : en
  • AT134914B - Sum and difference converter. : de en
  • CH164715A - Method and device for regulating the speed of a diesel-electric vehicle. : de en
  • AT134822B - Flat-plate typewriter with a tabulator built into the main frame. : de en
  • CH164512A - Metal reel, especially for web shooters. : de en
  • US1930409A - Process of preparing anhydrous leuco vat dyestuffs : en
  • US1930176A - Collapsible table : en
  • US1930179A - Oil burning apparatus : en
  • US1930386A - Combination shipping and display case : en
  • FR753259A - : fr
  • GB399554A - Improvements in the art of reproducing and presenting sound : en
  • FI15468A - Window washer : en fi
  • FR42768E - Mechanical hand mower : en fr
  • FR753253A - Process for separating carbon dioxide from gases containing it : en fr
  • CH164721A - Overway signaling device. : de en
  • DE585804C - Application or painting device with adjustable nozzles : de en
  • AU516837A - Improvements in plasticised polyvinyl acetal resins : en
  • GB399652A - Improvements in and relating to mattresses : en
  • GB399720A - Improvements in and relating to burners : en
  • US1929708A - Handle securing means for valves : en
  • US1929965A - Mail box signal : en
  • US1930030A - Reenforce attachment for stockings : en
  • US1930330A - Apparatus for cutting web material : en
  • GB399561A - Improvements in or connected with galvanic batteries : en
  • US1929530A - Toothbrush : en
  • DE585711C - Process for moistening ground material : de en
  • CA336214A - Folding table : en fr
  • AT134931B - Distribution elements for screw-in fuses or screw-in overcurrent switches. : de en
  • CA336375A - Thermionic valve : en fr
  • GB400218A - Improvements in or relating to means for drawing and suspending curtains and the like : en
  • DE585435C - Device for extracting substances containing oil, fat and wax : de en
  • FR753276A - Improvements to processes for sealing holes, pores or other perforations in air or pneumatic chambers or other fluid reservoirs : en fr
  • US1929570A - Protective device : en
  • US1929687A - Machine guard : en
  • US1929833A - Tackle box : en
  • FR42799E - Self-lubricating anti-friction product : en fr
  • US1929746A - Grinding machine : en
  • US1930120A - Opening and closing means for doors : en
  • DE585866C - Procedure for building ground and ground reinforcement : de en
  • AT134946B - Device for mechanical and electrical sound reproduction. : de en
  • CH164530A - Cotton swab for milk filter. : de en
  • FR753305A - Oblique rolling mill for the production of thin-walled tubes by longitudinal drawing of hollow bodies : en fr
  • US1929828A - Fraud-preventing paper : en
  • US1929829A - Doughnut mix : en
  • FR42767E - Convenience store, in particular for motor vehicles : en fr
  • FR753218A - Improvements made to the means to render certain elements or assemblies incombustible, in particular furniture : en fr
  • US1929581A - Cigarette maker : en
  • US1930014A - Dogging device : en
  • US1930334A - Camera body : en
  • FR42766E - Process for manufacturing esters substituted in the acid residue : en fr
  • CA336218A - Chuck : en fr
  • CH164657A - X-ray facility. : de en
  • US1930367A - Shoe sole press : en
  • FR42785E - Coupling device effected by means of spiral steps : en fr
  • GB399529A - Improvements in or relating to the treatment of aliphatic acids : en
  • GB399755A - Improvements in or relating to steam power installations : en
  • US1929419A - Rock drilling device : en
  • US1929912A - Dyes of the pyranthrone series : en
  • FR753164A - System facilitating the lifting of an automobile wheel : en fr
  • FR753264A - Building system : en fr
  • GB399590A - Improvements in and relating to printing machines : en
  • DE585829C - Device for holding a milking catheter in the teat : de en
  • FR753308A - Mounting system for heat exchangers : en fr
  • GB399749A - Improvements in and relating to the manufacture of articles of refractory material such as silica : en
  • GB400171A - Improvements in hydraulic testing machines : en
  • GB399825A - Toy railroad tracks : en
  • GB399645A - Improvements in electric signalling systems : en
  • GB399835A - Improvements in or relating to water heated hot cupboards, dinner wagons and the like : en
  • DE585791C - Electric drive for the shuttle hitting device of looms : de en
  • US1930028A - Panel board and cabinet : en
  • US1930180A - Sink cabinet : en
  • FR753255A - Frequency relay set : en fr
  • FR753327A - Wheel for automobiles and other cars : en fr
  • US1929487A - Mechanism for handling rolled stock : en
  • DE585784C - Device for filling valve bags : de en
  • FR42770E - Improvements made to seals or warranty seals : en fr
  • FR753184A - Tree puller for mechanical workshops : en fr
  • GB399769A - Manufacture of 6-bromo (or -chloro)-2:4-dinitraniline : en
  • US1930228A - Apparatus for viewing stereoscopic pictures : en
  • GB399698A - Straps for wrist watches or the like : en
  • US1929959A - Snowplow : en
  • US1930265A - Time recorder : en
  • FR753299A - Device controlled by variations in humidity : en fr
  • GB400580A - Improvements in the production of valuable products from liquid or liquefiable hydrocarbons containing aromatic substances : en
  • DE585277C - Device for separating solid or liquid components from gases or vapors : de en
  • DE585929C - Machine for corking barrel screws : de en
  • DE586005C - Coil box for a high voltage transformer, especially voltage transducer : de en
  • GB399582A - Improvements in or relating to cooling arrangements for mercury arc rectifiers : en
  • US1929624A - Chemical apparatus : en
  • US1929801A - Cutting tool : en
  • DE550318C - Holder for searchlight : de en
  • DE585837C - Switching device for gear change transmissions of motor vehicles : de en
  • DE585868C - Inking unit for rotogravure printing machines : de en
  • US1929712A - Gas scrubber : en
  • US1929919A - Dough processing mechanism : en
  • US1929927A - Method of and system for leaching material : en
  • US1929985A - Universal lock mechanism : en
  • AU958432A - Improvements in moving picture photographic printing machines : en
  • CA336357A - Timing mechanism : en fr
  • GB399668A - Improvements in or relating to match delivering and igniting devices : en
  • GB399729A - An improved sheet registering mechanism : en
  • GB399617A - Improvements in or relating to journal bearings for shafts and the like : en
  • FI15509A - Dörrhållare : en fi
  • FR753154A - Automatic air shut-off valve for instant ignition gasoline stoves : en fr
  • US1930381A - Centrifugal oil well pump : en
  • FR753206A - Photophonographic apparatus : en fr
  • FR753258A - Mattress : en fr
  • GB399623A - Improvements in mechanical games : en
  • DE586024C - Scales with automatic price calculation and printing facility : de en
  • CA336362A - Aircraft : en fr
  • GB399598A - Improvements in and relating to acoustic apparatus : en
  • US1929740A - Slot and slug for check controlled apparatus : en
  • GB399685A - Process for the production of enamelled copper wire for electrical purposes : en
  • GB399691A - Improvements in and relating to loudspeakers : en
  • US1929999A - wilson : en
  • US1929556A - Miniature golf ball delivering and registering means : en
  • US1929957A - Plow attachment : en
  • US1930393A - Adhesive to be employed in the manufacture of waterproof abrasive products : en
  • US1929935A - Spring injection fuel pump : en
  • DE585656C - Sheet metal component executed as a hollow body : de en
  • DE585989C - Level meter with cross-coil instrument : de en
  • DE585872C - Process for the production of vessels, in particular heat exchange apparatus : de en
  • US1929934A - Wax treatment : en
  • USD90853S - Design for a neckpiece for a woman s : en
  • DE585585C - Power converter : de en
  • CA336350A - Reactor : en fr
  • GB399569A - Method of melting finely divided scrap metal of the nature of borings and turnings : en
  • AT134870B - Press, especially for ties. : de en
  • CA336262A - Ladder sway brace : en fr
  • FI15514A - Automatic branding system : en fi
  • AT134879B - Hair cap. : de en
  • DE585609C - Process for the catalytic cracking of hydrocarbon oils : de en
  • US1929858A - Air spring operating means : en
  • US1929870A - Process for making esters from olefines : en
  • DE585890C - Commutator machine for converting alternating current into direct current or vice versa : de en
  • FR42752E - Drilling rig with cuttings removal by automatic dredge : en fr
  • CH164736A - Process for the preparation of a new sulfonic acid. : de en
  • FR753359A - System of metal nails to mark the passage of pedestrians on the roadway : en fr
  • GB399854A - Improvements relating to heat interchanging apparatus : en
  • US1929565A - Electric valve converting apparatus : en
  • US1930177A - Carpenter's clamp : en
  • US1930363A - Jack : en
  • FR42760E - Retaining and stapling device for extension table slides : en fr
  • GB399648A - Method of protecting meat and other perishable commodities from deterioration during storage : en
  • GB399772A - Process for removing iron from acid solutions of aluminium salts : en
  • DE585897C - Process for the preparation of o-oxyazo dyes : de en
  • FR753204A - Device for assembling sheets forming metal plywood : en fr
  • GB399695A - Improvements in or relating to electric circuit breakers having arc-extinguishing structures : en
  • US1929555A - Steam generator : en
  • DE585733C - Tool for rolling out dented fenders : de en
  • DE585930C - Air gap : de en
  • DE585984C - Spool frame for double plus looms : de en
  • DE585939C - Method for the preparation and purification of the ovarian hormone : de en
  • DK47863C - Drive Device for Movement of Remote Controlled Devices. : da en
  • FR42754E - Box spring daybed arranged in bed wood : en fr
  • US1929519A - System for producing sound motion pictures : en
  • US1929589A - Electrical transmission of colored pictures : en
  • US1929895A - Soldering flux : en
  • DE540206C - Process for utilizing nitrogen oxide from nitrosyl chloride : de en
  • DE585937C - Briquette suitable for bundling : de en
  • FR753309A - Improvements made to direct current electric motors, in particular those for traction : en fr
  • GB399806A - Improvements in or relating to protective systems for sectionalised electric supply networks : en
  • FR753213A - : fr
  • DK47857C - Procedure for Manufacturing Wood Adhesive. : da en
  • FR753384A - Cremone refinements : en fr
  • DE585757C - Circular knitting machine with plating device : de en
  • FR753314A - Manufacturing process of sheet materials : en fr
  • DE585367C - Belt sintering or rusting device : de en
  • DE585908C - Electric cattle gun : de en
  • FR753260A - Rear suspension for bicycles, motorcycles and motor bicycles : en fr
  • GB399748A - Improvements in or relating to steam-tight and water-tight doors for sterilizers and like apparatus : en
  • CH164732A - Process for the preparation of a new sulfonic acid. : de en
  • GB399836A - Improvements in or relating to boot or shoe upper conforming machines : en
  • FI15521A - Emballage for the first and second class : en fi
  • GB399551A - An improved tool for use in connection with knitting machines : en
  • DE585944C - Device for the automatic production of wire links with attached beads : de en
  • DE585186C - Process for the preparation of dyes of the polymethine series : de en
  • DE585381C - Temperature controller : de en
  • DE585896C - Gas-tight insulating bushing, especially for electric vacuum ovens : de en
  • FR753304A - Electric theft-prevention switch device for automobiles and the like : en fr
  • GB399586A - Automatic typewriting machine : en
  • DE585420C - Production of hydrogen or hydrogen-nitrogen mixtures : de en
  • DE585838C - Resilient rubber brake rod supports for motor vehicles : de en
  • GB399656A - Improvements in the braking of gravity driven machines : en
  • US1929538A - Foundry equipment : en
  • US1929619A - Production of alkali metal aluminates : en
  • US1929626A - Soundproofing picture recording camera : en
  • FR753220A - rail brake electromagnet : en fr
  • GB399845A - Improvements in and relating to the balancing of rotating members : en
  • AT134875B - Method and device for maintaining the set of the woods of fuse strips during the further processing of the fuse strips. : de en
  • US1930375A - Swing : en
  • GB399838A - Improvements in or relating to the production of yarns : en
  • GB399820A - Manufacture of alkali cyanates : en
  • US1929645A - Packing for gate valves and similar shutting-off elements : en
  • DE585806C - Detachable handle attachment device with a rubber sleeve that fits into the handle hole : de en
  • FI15451A - The provisions of this Regulation shall apply : en fi
  • AU942032A - An improved harvester : en
  • CH164624A - Energy system in which a high pressure steam system is connected upstream of a low pressure steam system. : de en
  • CH164703A - Self-locking container closure, in particular for tubes for storing pasty substances. : de en
  • US1929433A - Container : en
  • US1929948A - Carbonator : en
  • DE585809C - Electron tube circuit : de en
  • GB399626A - Improvements in or relating to inverted incandescent gas burners : en
  • FI15453A - Fertilization requirements for metal and chemical fittings : en fi
  • GB399789A - Improvements in portable electric vacuum cleaners : en
  • CH164463A - Device for awning or clipping (clipping) of grain. : de en
  • CH164570A - Ski binding. : de en
  • CH164691A - Acoustic signal instrument for motor vehicles. : de en
  • FR753312A - Device allowing the use of crawler, chain, etc. wheels. on motor cars with closely spaced axles : en fr
  • CH164678A - Head hair band. : de en
  • USD90841S - Design fob a tire : en
  • FR753329A - Calculating device for determining the average speed of vehicles : en fr
  • US1930186A - Sound reproducing device : en
  • US1930450A - Toy : en
  • US1929621A - Brake beam support : en
  • US1930192A - Power transmitting or registering device : en
  • DE585985C - Automatic roller setting device : de en
  • FR753369A - Watertight door for coke oven : en fr
  • US1929671A - Grape crusher and stem separator : en
  • DE586003C - High voltage transformer, especially voltage transducer : de en
  • FI15448A - Tie holder : en fi
  • DE585935C - HEPA filters for building gas protection, escape chambers, room filter devices or the like. : de en
  • CA336341A - Fuel supply system : en fr
  • CH164590A - Box with apertures for timepiece. : en fr
  • US1930033A - Means for automatically supplying fluid brake systems : en
  • FR753172A - Earth warning indicator : en fr
  • FR753318A - Device for flying devices at high altitudes and intended to isolate the pilot from the atmosphere : en fr
  • GB399604A - Improvements relating to water heating apparatus : en
  • GB399837A - Improvements in arrangements for the control of electric motors equipped with series field windings : en
  • AT134909B - Interlocking device for point machines. : de en
  • CA336339A - Picture transmission : en fr
  • DE585958C - Absorbable tissue for surgical purposes : de en
  • FR753166A - Machine for unwinding and printing a strip of paper at the same time : en fr
  • FR753300A - Improvements to electronic discharge tubes : en fr
  • FR753342A - Method and device for editing, sound reinforcement and dubbing of sound films : en fr
  • FR753238A - Alarm signal : en fr
  • GB399744A - Improvements in alternating current frequency changers employing grid-controlled discharge devices : en
  • AT134868B - Car headlights. : de en
  • GB399646A - A process for the manufacture of viscous oil by polymerisation of cracking products : en
  • GB399746A - Improvements in water-cooled gas condensers : en
  • GB400183A - Improvements in belts : en
  • US1929756A - Front end lift and support for semitrailer vehicles : en
  • US1930094A - Electric switch : en
  • CH164623A - Turbine for elastic propellants. : de en
  • US1930089A - Gaseous discharge device : en
  • AT134803B - Combined machine tool. : de en
  • CH164672A - Water pressure pulsation device, in particular for massage purposes. : de en
  • US1929401A - Expansion joint : en
  • CH164558A - Method for the mechanical severing of the spine material and the threads of endlessly connected books in book stitching machines. : de en
  • DE585954C - Cathode for Braun tubes : de en
  • DE586000C - Magnet runner with two or four grooves for alternators : de en
  • US1930061A - Cap closure : en
  • US1929777A - Sand mulling apparatus for foundries : en
  • US1930105A - Brake operating mechanism : en
  • US1929618A - Radiator : en
  • CH164675A - Containers for the sterilization of textiles and sterile storage of the same. : de en
  • AT134944B - Glow oscilloscope tube. : de en
  • US1929902A - Borax manufacturing process : en
  • AT134878B - Rotary brush. : de en
  • CH164507A - Innovation in closed metal containers, such as tin cans. : de en
  • US1929714A - Electrical measuring instrument : en
  • US1930292A - Bread slicing machine : en
  • CA336244A - Brake and clutch pedal pad : en fr
  • US1930246A - Synchronizing system : en
  • CA336215A - Cushion : en fr
  • US1929808A - Self-locking nut : en
  • USD90848S - Design foe a stand pedestal : en
  • US1930158A - Method of treating leather : en
  • US1930295A - Tubing cutter : en
  • CH164729A - Process for the production of crystalline alkali silicate hydrates. : de en
  • US1929637A - Internal combustion engine : en
  • US1929856A - Apparatus for producing animal food : en
  • US1930358A - Apparatus for painting circular ornaments on walls, ceilings, and the like : en
  • AT134906B - Method for increasing the number of vibrations of leaf springs for motor vehicles and. like : de en
  • AU1131633A - Improvements in or relating tothe mounting of electric lights on sewing machines : en
  • CA336366A - Artificial straw : en fr
  • FI15519A - Suksiside : en fi
  • FR753268A - Remote lighting device for signal lantern in particular : en fr
  • US1929479A - Gate latch : en
  • US1929775A - Refrigerator latch : en
  • US1929910A - Device suitable for the irradiation of substances with ultra-violet rays : en
  • DK47853C - Filter for air purification with a rotating band composed of filter elements. : da en
  • CH164641A - Expansion switch. : de en
  • CH164706A - Equipment for carrying goods, in particular patisserie. : de en
  • AT134849B - Device for sterilizing beer. : de en
  • DE585720C - Box ejector on filling and closing machines : de en
  • US1929933A - Wax treatment : en
  • US1929644A - Retort closure : en
  • AT134859B - Soap preparation. : de en
  • US1929435A - Variable pitch and reversible propeller : en
  • US1929577A - Method of making rosin size : en
  • FR753336A - Diaphragm : en fr
  • FR753383A - Condensing device applicable in particular to refrigeration machines : en fr
  • AT134899B - Securing of rotatable bolts, in particular piston bolts, against axial displacement. : de en
  • CH164609A - Scissors. : de en
  • CH164692A - Sound producing device. : en fr
  • AT134834B - Adhesive film. : de en
  • AT134844B - Spark plug. : de en
  • DE585857C - Horizontal circle attachment for machine guns for anti-aircraft defense : de en
  • US1930096A - Gyroscopic instrument and apparatus : en
  • AT134888B - Water pressure motor. : de en
  • CA336337A - Acetylene removal process : en fr
  • CA336345A - Draft rigging : en fr
  • US1930155A - Hydraulic press : en
  • CA336321A - Telephone testing arrangement : en fr
  • CH164705A - Tube closure. : de en
  • CH164552A - Flash powder. : de en
  • US1929406A - Meter : en
  • US1929496A - Centrifugal force pump : en
  • US1929810A - Glass grinding machine : en
  • US1930045A - Combustion apparatus : en
  • US1929733A - Tightness device : en
  • CA336206A - Paper stock separator : en fr
  • FR753355A - Rotary tool for shaving and cleaning meats and skins, especially pork : en fr
  • GB399583A - The manufacture of dyestuffs containing sulphur : en
  • CA336258A - Container closure : en fr
  • CA336290A - Electric pulsator for milking machines : en fr
  • FR753272A - Distribution and regulation for stationary piston steam engines : en fr
  • US1929813A - Pump : en
  • US1930185A - Process of treatment of chicory : en
  • CH164525A - Method and machine for the production of gloves. : de en
  • DE585972C - Process for the refinement of edible fats : de en
  • CH164674A - Process for the preparation of 1- (3,4-dioxyphenyl) -2-aminopropan-1-ol chlorohydrate. : de en
  • US1929585A - Portable tool attachment : en
  • US1930024A - Cement lath : en
  • CA336292A - Vacuum heating system : en fr
  • DE585726C - Ring scales with double suspension of the counterweight : de en
  • CH164695A - Dust jacket for banknotes. : de en
  • AU945932A - Improved means for trapping and destroying larvae of codlin moths andthe like : en
  • CH164575A - Device for measuring the thickness and evenness of individual fibers, fiber bundles and thread-like structures. : de en
  • US1930122A - Gaseous electric discharge device : en
  • DE585893C - Method for connecting a dropped voltage-free direct current network, which is predominantly composed of lighting systems, to the feeding single-armature converters : de en
  • DE585851C - Device for suppressing the muzzle flash, especially with small-caliber firearms : de en
  • DE585889C - Fastening the fork connectors of armature windings in electrical machines : de en
  • AT134828B - Machine parts that work at elevated temperatures and are exposed to strong temperature fluctuations made of steels containing chromium, molybdenum and possibly nickel. : de en
  • US1929922A - Game apparatus : en
  • US1929984A - Meter movement : en
  • US1930003A - Spark plug : en
  • US1930293A - Pump : en
  • US1929541A - Artificial hand : en
  • US1929951A - Toilet appliance : en
  • DE585517C - Device for washing two non-soluble liquids in countercurrent : de en
  • GB399595A - Improved apparatus for prevention of theft of bottles and other articles from doorways and the like : en
  • US1929459A - Receptacle : en
  • US1929973A - Valve construction : en
  • US1930037A - Ice cream dispenser : en
  • CH164474A - Metallic device for street signaling or for demarcating sports or other places. : en fr
  • CH164469A - Sealing device on windows, doors and the like. : de en
  • AT134829B - Electromagnetic drive for signals. : de en
  • US1929891A - Water tube boiler : en
  • US1929903A - Plant protector and method of making it : en
  • CH164643A - Strip-shaped contact element. : de en
  • CH164677A - Surgical syringe. : de en
  • CH164682A - Curler with protector for hair curl. : en fr
  • DE585651C - Suction excavator with a suction pipe that can be raised and lowered on several cable or chain hoists : de en
  • US1929737A - Apparatus for molding insulators : en
  • DE585133C - Mobile container with swiveling wheels : de en
  • DE586007C - Process for the production of finely divided and anhydrous calcium sulphate as paint : de en
  • US1929520A - Desuperheater : en
  • US1930135A - Cellulose organic ester composition containing alpha lower alkyl ester of alpha substituted benzoic acid : en
  • DE585782C - Process for making shoes : de en
  • DK47847C - Hollow Wooden Mast. : da en
  • CA336227A - Hat manufacture : en fr
  • CH164568A - Musical box cylinder pinning method, and cylinder obtained by this method. : en fr
  • US1929639A - Device for grinding and polishing cylinders : en
  • FR753289A - Fixed or movable eye devices applicable to a mask or doll's head : en fr
  • GB399667A - Improvements in and relating to coats : en
  • GB399844A - Improvements in or relating to frequency indicators : en
  • US1930365A - Tie adzing machine : en
  • US1929717A - Lateral motion truck for electric cars : en
  • CH164670A - Packaging for dental amalgam. : de en fr
  • CH164733A - Process for the preparation of a new sulfonic acid. : de en
  • DE585627C - Process for the extraction of pure zinc, zinc dust or zinc oxide : de en
  • FR42765E - Method for reducing crosstalk occurring in multiple metal circuits, on which the same text is transmitted simultaneously : en fr
  • CH164700A - Tying machine for packaging. : en fr
  • FI15504A - Kolvpress : en fi
  • FI15507A - Pneumatic hjul : en fi
  • GB399732A - Improvements in cameras for taking instantaneous colour photographs : en
  • CA336260A - Lens grinding machine : en fr
  • US1929631A - Clock : en
  • GB399552A - Improvements in or relating to television and like apparatus : en
  • GB399647A - Insulation of floors against the transmission of sound : en
  • FR753328A - Improvements to the arrangement of accumulator batteries : en fr
  • GB399735A - Improvements in tubular heat-exchange apparatus for heating or evaporating fluids : en
  • GB399707A - Improvements in the production of combined picture and sound films : en
  • US1929802A - Method of forging cylinders for airplane motors : en
  • US1930064A - Condensate removal apparatus : en
  • US1930194A - Pipe coupling : en
  • US1929412A - Container : en
  • FR753303A - Intaglio printing machine : en fr
  • GB399557A - Improvements in and relating to radiogoniometers : en
  • US1930243A - Washing machine : en
  • CA336277A - Mouldable cellulose derivative composition : en fr
  • CH164742A - Process for the preparation of a derivative of 1.9-anthrapyrimidine. : de en
  • DE585798C - Lockstitch sewing machine with a hook that can be rotated around an upright axis : de en
  • DE585998C - Two-part wire or rope clamp : de en
  • FR753170A - anti-theft nut for automobile spare wheels : en fr
  • DE585842C - Sprocket change gear for bicycles : de en
  • US1930121A - Textile trimming material : en
  • FI15517A - Simhandske : en fi
  • FR753266A - Filament for electric lamps : en fr
  • US1929567A - Fencing tool : en
  • US1929681A - Elevator control system : en
  • US1930247A - Method of treating clay : en
  • FR753229A - Process for refining oils : en fr
  • FR753347A - Improvements to gas meters : en fr
  • GB399708A - Improvements relating to electrical resistance furnaces : en
  • US1930454A - Power-transmission mechanism : en
  • US1930213A - Apparatus for preserving orange juice : en
  • FR753192A - Projector device for artificial pigeons : en fr
  • US1929736A - Vacuum type filling machine : en
  • US1930391A - Impression compound : en
  • US1930395A - Track measuring device for railroad vehicles : en
  • FR753162A - Crucible intended more especially for foundries of stereotypes : en fr
  • US1929821A - Dewaxing hydrocarbon oil : en
  • US1929960A - Abrading machine : en
  • US1930154A - Cable connection : en
  • CH164539A - Process for the preparation of chloro-2-butadiene-1,3. : de en
  • CH164701A - Tying machine for packaging. : en fr
  • US1930097A - Electric discharge tube for emitting rays : en
  • CA336349A - Railway car : en fr
  • FR753334A - Fuel nozzle for internal combustion engines : en fr
  • FI15520A - Match cutting machine : en fi
  • FR753391A - Automatic pilot devices for gas stoves : en fr
  • GB399610A - Improvements in bicycle chain lubrication : en
  • US1929921A - Apparatus for removing alpha covering from alpha core : en
  • US1930331A - Metal surface finish : en
  • FI15456A - The provisions of this Regulation do not apply to collective processing : en fi
  • US1929819A - Farm boat : en
  • US1929939A - Radio apparatus : en
  • DE585835C - Device for planing forwards and backwards on long planing machines with a steel holder that can be rotated by 180 : de en
  • GB399790A - Improvements in the manufacture and production of acylamino compounds : en
  • FR753216A - Automatic sugar bowl : en fr
  • CH164462A - Motor mower. : de en
  • GB399778A - Improvements in or relating to a process for the treatment of gases : en
  • US1929806A - Band saw guide : en
  • US1929958A - Snowplow : en
  • US1930034A - Swimming suit : en
  • US1930430A - Fastener for curtain tie-backs, etc. : en
  • AT134864B - Device for preventing corrosion and disturbed fermentation and storage processes of the vessel contents, in particular the fermentation and storage vessels in the fermentation industry. : de en
  • FI15458A - The axle box is for the first time : en fi
  • FR753349A - Material for underlayments and other similar applications : en fr
  • US1929916A - Apparatus for removing alpha covering from alpha core : en
  • US1930251A - Ceiling : en
  • US1930324A - Covered container : en
  • AU958032A - Improvements in stays for hinged windows or the like : en
  • US1930452A - Electric welding apparatus and method : en
  • US1929627A - Support and adjustment for speaking movie sound lens combination : en
  • US1930355A - Orthopedic boot or shoe : en
  • DE585946C - Flat brush or painter's brush : de en
  • GB399703A - Improvements in or relating to thermionic amplifiers : en
  • FR753244A - Retractable handle for washing machines and all steering wheels : en fr
  • GB399737A - Improved manufacture of water-soluble crystalline aluminium salts of lower fatty acids : en
  • FI15518A - Skidbindsle : en fi
  • US1929730A - Electric valve converting apparatus : en
  • US1930215A - Outfit for sewing filled sacks and like articles : en
  • CH164577A - Room temperature controller. : de en
  • FR753222A - Tipping skip : en fr
  • FR753378A - Expandable device for advertising and similar purposes : en fr
  • DE586006C - Electric hand lamp : de en
  • FR753182A - Painting : en fr
  • FR42772E - Automotive walking saw : en fr
  • DE586027C - Device for counting and rolling coins : de en
  • CA336217A - Textile roving condensing or reducing device : en fr
  • FR753265A - Water repellent product and its manufacturing process : en fr
  • US1930106A - Package winding machine : en
  • US1930219A - Cleaning and scraping method and apparatus : en
  • US1929402A - Signaling system : en
  • GB399635A - Improvements in the production of anhydrous ethyl alcohol directly from mashes and the like : en
  • US1929897A - Plywood pressing apparatus and method : en
  • CA336236A - Store front : en fr
  • CH164472A - Adjustable prop. : de en
  • FR753227A - Process for the preparation of grooved tiles : en fr
  • DE585971C - Method of preserving meat by freezing the meat in ice : de en
  • GB399670A - Improvements in and connected with metal working lathes : en
  • GB399697A - Improvements in or relating to the formation of roll edges on mattresses : en
  • US1930458A - Oscillation generator : en
  • GB399679A - Improvements in devices for preparing fuel-air mixtures for internal combustion engines : en
  • DE585771C - Cigar cutter as a wall device : de en
  • DK47845C - Apparatus for cooling fresh milk. : da en
  • FI15501A - Självsugande filter : en fi
  • AT134813B - Preparations for the production of waterproof cement and mortar compounds. : de en
  • CA336234A - Hosiery : en fr
  • CH164480A - Backflow prevention device on gas-heated devices. : de en
  • AT134877B - Copy device for billing forms or the like. : de en
  • CA336298A - Scale bearing : en fr
  • CH164611A - Engraving machine. : de en
  • US1929505A - Babbitting machine : en
  • US1929860A - Process of producing fuel briquettes : en
  • CA336295A - Time indicating mechanism : en fr
  • CH164735A - Process for the preparation of a new sulfonic acid. : de en
  • CH164743A - Lead holder. : de en
  • FR753284A - Inbuilt and removable front end crowns with removable retaining ring : en fr
  • US1929593A - Hydraulic screw broaching machine : en
  • AT134827B - United fluid change transmission and clutch. : de en
  • AT134891B - Compressed air generation system. : de en
  • AT134933B - Circuit arrangement for company lines. : de en
  • DE585879C - Braking device : de en
  • DE585974C - Device for rolling up paper webs : de en
  • AT134856B - Device for machine arc welding. : de en
  • US1930232A - Coloration of materials : en
  • CH164538A - Process for removing iron from acidic chromium salt solutions. : de en
  • US1929789A - Poultry waterer : en
  • US1930283A - Distributing machine : en
  • CH164680A - Hair wave shaper. : de en
  • US1929831A - Composite piston : en
  • US1929876A - Vat dyestuffs of the anthraquinone naphthacridone series and process of making them : en
  • CH164588A - Self-winding wristwatch. : en fr
  • US1929426A - Mining apparatus : en
  • US1929656A - Mercury-arc-rectifier cathode construction : en
  • US1930453A - Process of manufacturing gasoline : en
  • US1929574A - Backboard mounting : en
  • CH164518A - Seamless hosiery, process for its manufacture and loom for carrying out this process. : en fr
  • US1930252A - Typewriter accumulator : en
  • AT134918B - Control of arc rectifiers. : de en
  • CH164676A - Ointment dispenser. : de en
  • US1929906A - Frozen confection : en
  • US1930017A - Grinding apparatus : en
  • US1930132A - Gaseous electric discharge device : en
  • AT134838B - Control device for machines for evaluating punched cards or strips. : de en
  • AT134863B - Mortar carts. : de en
  • DE585780C - When the trailer hits the towing vehicle, the trailer brake acts : de en
  • US1930035A - Control for coolant supplies for machine tools : en
  • US1930184A - Chick feeder : en
  • US1929441A - Process for obtaining orthophosphoric acid and/or conversion product thereof : en
  • AT134833B - Austenitic chrome-nickel steel alloys. : de en
  • AT134943B - Photoelectric batteries. : de en
  • US1929499A - Aqueous dispersions of rubber : en
  • DE585915C - Crusher mill for hard and soft material : de en
  • FR753377A - Electric switch : en fr
  • GB399694A - Improvements in or relating to picture television and like modulated carrier signalling systems : en
  • GB399764A - Process and apparatus for converting liquid substances into the form of powder or granules : en
  • GB399783A - Improvements in and relating to electric dry batteries : en
  • AT134887B - Steam generator. : de en
  • FI15477A - Anordning fumbarkning av långkapad ved eller hela Stockar : en fi
  • GB399734A - Improvements in safety razors : en
  • CH164583A - Device for transforming electric oscillations into sound vibrations or vice versa. : en fr
  • US1930253A - Accounting means : en
  • DE586013C - Knife cleaning machine with two rollers moved by hand drive : de en
  • US1929504A - Carpenter's plane : en
  • US1929523A - Refrigerating control means : en
  • US1929526A - Rectifying tube with glow discharge : en
  • US1929854A - Coupling : en
  • US1930261A - Slack adjuster : en
  • FI15469A - Bärkrok och stödbärare samt förfaringssätt för dess användning : en fi
  • DE585226C - Variable-pitch propeller with axially movable sleeve : de en
  • DE585876C - Machine for cleaning paintbrushes, brooms and brushes : de en
  • US1929446A - Resistance device : en
  • US1929770A - Device for manufacturing liquid containers : en
  • US1930379A - Door hanger for box cars or the like : en
  • FR753322A - Apparatus specific to the study of elementary cosmography : en fr
  • US1929474A - Telephone system : en
  • US1930002A - Windshield attachment : en
  • US1930346A - Sucker rod joint and method of making the same : en
  • US1930148A - Gaseous electric discharge device : en
  • US1930313A - Automatic lubricating device : en
  • DE585824C - Automatic release device for the auxiliary device for lifting the bags on automatic bagging scales : de en
  • FI15485A - Gas heating system for the main engine : en fi
  • FR753269A - Marine boat : en fr
  • GB400220A - Improvements in, or relating to, venetian blinds : en
  • CA336275A - Ammonia decomposing apparatus : en fr
  • FR42782E - Automatic needle control device of a sorting bundle : en fr
  • GB399709A - Machine for casting metals : en
  • GB399774A - Improvements in or relating to manoeuvre-signalling devices for motor or like vehicle : en
  • GB399855A - Improvements in the art of producing artificially binaural sound effects : en
  • GB399757A - Improvements in or relating to heat transfer media : en
  • GB399771A - Improvements in and relating to variable resistances : en
  • CA336343A - Fuel atomizing and igniting means : en fr
  • US1929882A - Paint spray : en
  • CA336286A - Footwear : en fr
  • US1929544A - Rubber compound and method of making the same : en
  • US1930031A - Display container : en
  • DE585854C - Prism riflescope : de en
  • GB399776A - Liquid fuel supply system for internal combustion engines : en
  • GB399779A - Improvements in or relating to magnets, particularly for electrodynamic loudspeakers, microphones, electric pick-ups or the like : en
  • CA336231A - Centrifugal machine : en fr
  • FR753262A - Magnetically driven independent axis periodic electro-magnetic motor movement, used as automatic film drive : en fr
  • GB399740A - Improvements in or relating to electrical relay or switch mechanism for controlling temperature or other physical conditions : en
  • GB399634A - Method of washing wool in the yolk : en
  • GB399609A - Improved method of and means for the hydraulic transmission of power : en
  • US1930240A - Loom : en
  • FR753169A - Mounting of detectors : en fr
  • US1930241A - Washing machine : en
  • DE585873C - Device on wire mesh machines for closing the side edges of square wire mesh : de en
  • DE585934C - Wheel mount with alignment seat attached to the swiveling upper part : de en
  • US1929447A - Industrial truck : en
  • FR753372A - Control lever : en fr
  • GB399714A - Automatic rifle : en
  • AT134866B - Cross-field DC machine with series excitation and adjustable short-circuit current strength. : de en
  • AT134901B - Arrangement for heating hot cathodes in gas discharge vessels. : de en
  • GB399721A - Improvements in sectional boats : en
  • GB399594A - Improvements in or relating to brush holders for dynamo-electric machines : en
  • GB399712A - Improvements in and relating to electric fuses : en
  • FR753392A - Method and devices for producing high efficiency heat engines : en fr
  • US1929835A - Concrete insert : en
  • US1930005A - Wire stretcher : en
  • DE585419C - Process for processing methane or methane-rich gases : de en
  • GB399572A - Improvements in or relating to apparatus or plant for cooking or frying foodstuffs : en
  • GB399662A - Improvements in and relating to the construction of dams : en
  • GB399811A - Improvements in or relating to the production of artificial straws or like materials : en
  • US1929954A - Refrigerating apparatus : en
  • US1929793A - Switch : en
  • CH164667A - Device for external measurement and recording of labor pains. : de en
  • US1930374A - Edge guard : en
  • US1929438A - Method of extracting phenols and the like : en
  • US1930318A - Distributing conveyer : en
  • US1929991A - Sound deadening housing for typewriters : en
  • US1930073A - Shuttle truing machine : en
  • US1930417A - Expanding brake : en
  • CH164497A - Flooring. : de en
  • CH164498A - Suspension device for frameless mirrors. : de en
  • DE585680C - Device for sealing the corners of cross-flow plate air preheaters : de en
  • US1929595A - Sound intercepting ventilator : en
  • CH164559A - Office clip. : de en
  • US1929588A - Method for making vegetable oil shortenings : en
  • US1930382A - Lubricating means for sewing machines : en
  • DE585995C - Process for the production of compounds of caffeine and the hydrochloric acid salts of quinine or the derivatives of cupreine : de en
  • FR42758E - Folding umbrella for bag or pocket : en fr
  • GB399657A - A new or improved device for securing the stales to brushes and the like : en
  • AU944732A - Improvements in and relating toa method of and means for assembling mechanism to churn barrel or like ends : en
  • CH164505A - Cooking attachments, in particular for electric cookers. : de en
  • CH164464A - Device for collecting tree fruits. : de en
  • US1929938A - Evaporator and shelf : en
  • US1930260A - Hydraulic mechanism : en
  • US1930359A - Illuminated sign : en
  • DE585973C - Device for thickening sugar solutions : de en
  • US1929680A - Quick acting safety grip : en
  • US1929945A - Molded pulp article : en
  • USRE18967E - Water purification : en
  • AT134818B - Pyrophoric pressure lighter. : de en
  • DE585785C - Box for cigarettes or the like. : de en
  • US1929409A - Vehicle control arrangement : en
  • CH164669A - Investment material for dental purposes. : de en
  • US1929678A - Sleeve twister : en
  • US1930404A - Device for beach equipment : en
  • AT134904B - Switching arrangement for power surge transmission in telephone systems. : de en
  • US1930426A - Speaking device : en
  • US1930403A - Gas or vapor pump : en
  • CA336352A - Shoe trimming machine : en fr
  • US1929561A - Vulcanization inhibiting process and compound : en
  • US1930026A - Oil circuit breaker : en
  • US1929955A - Lubricant : en
  • AT134841B - Counter designed as a reversing gear for calculating and recording machines. : de en
  • CH164549A - Process for the production of a new dye. : de en
  • CA336259A - Lens blocking device : en fr
  • AT134858B - Illuminated advertising device, in particular for interiors. : de en
  • US1929880A - Process of incinerating and equipment therefor : en
  • US1929995A - Toy : en
  • US1930099A - Dust collecting device : en
  • US1930280A - Lubricating apparatus : en
  • US1930081A - Light support : en
  • US1929536A - Plumbing fixture : en
  • US1929735A - Process for preserving eggs : en
  • AT134881B - Automatic feed control device for spinning machines. : de en
  • CH164681A - Liquid container. : de en
  • CH164495A - Process for the production of a cleaning agent, in particular for copper. : de en
  • DE585504C - High-voltage transformer system consisting of two isolated single-phase transformers : de en
  • US1929749A - Liquid dispensing apparatus : en
  • US1930138A - Explosion vent : en
  • US1930248A - Process for treating gasoline or the like : en
  • FR42751E - Method and device for remote control of the sectors of a public lighting network : en fr
  • GB399768A - Improvements in bicycle tyre pumps : en
  • AT134851B - Steam oven with oil or gas combustion. : de en
  • US1929563A - Apparatus for making wreaths : en
  • US1929849A - Comb : en
  • US1929998A - Compressor or pump : en
  • US1930319A - Friction clutch : en
  • CA336334A - Gas processing apparatus : en fr
  • DE585996C - Corner connection for hollow pressed board frames for iron vessels, especially railway wagons and conveyor wagons : de en
  • DE585885C - Cooling device for airtight lockable cable impregnation vessels : de en
  • US1929444A - Heat conducting element : en
  • US1929840A - Garment supporter : en
  • US1929864A - Meat chopping machine : en
  • US1930071A - Television apparatus : en
  • US1930116A - Vapor lamp system : en
  • US1930032A - Brake operating mechanism : en
  • CH164476A - Process for erecting vaults and vaults produced by this process. : de en
  • DE585914C - Process for the production of silver coatings on pellets from phenol-aldehyde condensation products : de en
  • US1929601A - Duplicating sheet : en
  • US1929586A - Adjustable knife for roughage mills : en
  • CH164710A - Vehicle frames, in particular for motor vehicles and motor vehicle trailers, with two-axle wheel frames, the wheels of which are carried by spring-loaded rocker arms. : de en
  • US1929408A - Coking of agglomerates : en
  • US1930291A - Production of cinematograph film : en
  • DE585922C - Process for the production of reliefs, especially for suction printing, on photographic, isochromatic, colored layers : de en
  • FR753364A - Anticathode enhancements of x-ray bulbs : en fr
  • US1929480A - Bathtub : en
  • US1930065A - Artificial tooth : en
  • CA336256A - Argillaceous material processing : en fr
  • CA336222A - Cellulose product manufacture : en fr
  • CH164478A - Process and device for hot water heating with intermittent water circulation. : de en
  • US1929914A - Magnetic brake : en
  • US1930068A - Ribbon reversing mechanism for typewriting machines : en
  • USD90855S - Design for an agitator for a : en
  • AT134947B - Process for achieving an almost even load on the feeding network when transmitting power from any given type of current to a single-phase network. : de en
  • US1930008A - Card game accessory : en
  • US1930398A - Impervious and resilient napkin for infants and invalids : en
  • US1929800A - Differential assembly gear flange indicating and correcting device : en
  • US1929928A - Sound reproducing system : en
  • CH164725A - Flying machine for horizontal and vertical flight. : de en
  • AT134826B - Electric tube. : de en
  • US1929900A - Push button electric switch : en
  • DE585955C - Cooking apparatus, in particular saucepans, with exchangeable electric heating plates : de en
  • CH164483A - Method and device for the production of reinforced socket pipes from cement material. : de en
  • CA336326A - Pulp manufacture : en fr
  • CA336354A - Shoe upper shaping machine : en fr
  • CH164503A - Device for squeezing salad and other foods. : en fr
  • AT134920B - Synchronous motor, especially for driving record speaking machines. : de en
  • US1930118A - Bearing construction : en
  • US1929666A - Self feeding solder pencil : en
  • US1929674A - Fluid operated pump for wells : en
  • US1930173A - Collapsible furniture toy : en
  • US1930245A - Stop motion mechanism : en
  • US1930401A - Brake adjusting means : en
  • CA336291A - Steam heating system : en fr
  • CA336315A - Calcium nitrate double salt : en fr
  • US1930000A - Auto snow shovel : en
  • AT134897B - Elastic joint coupling. : de en
  • AU950932A - Improvements in or relating to electrical condensers : en
  • CH164574A - Safety device to delay armament in the trajectory of inertia percussion inertia fuzes. : en fr
  • US1930303A - Electric valve converting system : en
  • US1929878A - Microray wavemeter : en
  • CH164597A - Method and device for the production of castings in centrifugal molds. : de en
  • US1929654A - Mercerizing liquor : en
  • US1930083A - Starting apparatus for electric discharge devices : en
  • FR753357A - Improvements to kymography devices : en fr
  • US1929946A - Sanding machine : en
  • US1930216A - Treatment of hydrocarbon oils : en
  • DE585147C - Fourdrinier paper machine : de en
  • FR753330A - Zinc oxide manufacturing process : en fr
  • US1930211A - Treatment of hydrocarbon oils : en
  • FR42756E - Manufacture of wooden labels : en fr
  • US1929440A - Loading device for revolvers : en
  • DE585672C - Device for synchronizing the rotating wave of pressure telegraphs using the change in polarity of the telegraphing pulses : de en
  • US1930281A - Implement for playing an improved game of skill : en
  • GB399570A - Improvements in indicators for scoring games : en
  • US1929720A - Electric power converting apparatus : en
  • US1929794A - Collapsible tube closure : en
  • DE585543C - Shaft furnace system for the treatment of solid substances with gases : de en
  • FR42771E - Tensioning device for sling bases : en fr
  • AT134923B - Circuit arrangement for coin operated telephones with charging according to time and zone in telephone systems with dialer operation. : de en
  • US1929455A - Flow control mechanism : en
  • US1929682A - Roaster : en
  • GB399631A - Improvements in or relating to the making of a record of vibrations which is reproducible by optical means : en
  • FI15513A - Projects with pipelines of metal content for the first and second generation : en fi
  • DE585799C - Rotary kiln : de en
  • FI15502A - Anordning vid pressar för pressning av fibröst material : en fi
  • FR753292A - Process for the manufacture of alloys, in particular alloys of precious metals, and for the manufacture of support plates for dental prostheses, carried out according to the same process : en fr
  • US1930308A - Trunk type hinge : en
  • AT134885B - Washer-dryer and spin-dryer. : de en
  • FR42784E - Gas protection device : en fr
  • US1929458A - Drilling mechanism : en
  • US1929451A - Pump : en
  • US1929846A - Tracing apparatus : en
  • US1929607A - Ladle structure : en
  • US1929773A - Control mechanism for tractor driven implements : en
  • CH164660A - Lighting fixtures. : de en
  • US1929982A - Safety razor : en
  • US1930257A - Preparation of beverages : en
  • US1929591A - Treating of lime : en
  • US1929616A - Double compartment ampule : en
  • US1929908A - Card holder : en
  • US1930203A - Pistol holster : en
  • CH164693A - Electrical switch device. : en fr
  • US1929669A - Control system for automatic substations : en
  • CH164619A - Lock for elevators. : en fr
  • DE585959C - Wall bracket, especially for hall wardrobes : de en
  • GB399669A - Improvements in illuminated signs : en
  • US1930072A - Automotive transmission : en
  • US1930202A - Web control : en
  • US1930256A - Self regulating clock system : en
  • US1930435A - Mercury switch : en
  • CH164686A - Telecommunication system with several stations on one line. : de en
  • DE585716C - Device for checking and restoring the synchronization between image and sound carrier : de en
  • US1930328A - Sound reproducing diaphragm : en
  • GB399717A - Process for cleansing articles of metal and the like by means of volatile solvents and apparatus therefor : en
  • DE585746C - Drive device for electric locomotives with single axle drive : de en
  • US1930406A - Tobacco stemming machine : en
  • CA336219A - Oscillator system : en fr
  • US1929709A - Liquid storage tank : en
  • US1929430A - Container : en
  • US1929461A - Pressure release for wringers : en
  • US1929635A - Steam joint : en
  • US1930364A - Container closure : en
  • FR753388A - Improvements to cinematographic cameras : en fr
  • CA336322A - Semi-automatic telephone system : en fr
  • USD90839S - Design for a hypodermic needle : en
  • US1929575A - Air brake : en
  • US1929766A - Paper-feeding machine : en
  • US1930051A - Treatment of rubber : en
  • US1929814A - Feed tripping mechanism for drilling machines : en
  • US1930357A - Air cleaner : en
  • US1930448A - Coagulation of colloidal solutions : en
  • FI15510A - Regulation on fast-growing and fast-moving and self-handling : en fi
  • GB399639A - Improvements in or relating to processes of stabilizing fats and/or fatty oils and the products resulting therefrom : en
  • US1929547A - Electric outlet molding : en
  • CH164461A - Self-propelled reversible plow with cutting hollow disc. : de en
  • US1930335A - Film receptacle : en
  • FI15452A - Fertilization requirements for ammonium salt : en fi
  • FR753365A - Product for painting, printing or writing on cellulosic materials and sheets or objects with application : en fr
  • GB399762A - Improvements in or relating to electrolytic condensers : en
  • US1929509A - Apparatus for building cable joints : en
  • US1929792A - Spring-cushion : en
  • DE585418C - Method of mixing raw peat and peat dust : de en
  • DE585605C - Equipment for the protection of electrical machines and apparatus : de en
  • US1929731A - Calendar : en
  • US1930396A - Vacuum washer : en
  • US1929979A - Train control system : en
  • US1929986A - Service dispensing system for parked automobiles : en
  • US1930117A - Control device : en
  • US1930131A - Method of making bearings : en
  • USD90851S - Design for a buffet : en
  • CH164526A - Band skirt support with inserted stiffeners. : de en
  • CH164607A - Valve grinding machine. : en fr
  • DE585852C - Extendable support bracket for hunting purposes : de en
  • US1930423A - Carburetor : en
  • US1930408A - Production of metal castings : en
  • US1929885A - Internal combustion engine : en
  • CH164704A - Casing used to package cube-shaped products such as sugar, etc. : de en
  • AT134932B - Amplifier tube. : de en
  • US1930153A - Stenciling method and apparatus : en
  • FR753200A - Method of execution of foundations by stacked piles with fitting : en fr
  • USD90860S - Design for a neckpiece for a woman s : en
  • GB399580A - Improvements in or relating to means for facilitating reference to and reading of books and the like : en
  • AT134948B - Safety device on systems for converting direct current into three-phase current with the aid of controlled rectifiers. : de en
  • DE585884C - Process for removing insulation from electrical conductors : de en
  • FI15525A - Tinsmith's handwriting : en fi
  • CH164557A - Tongued blank for making cardboard boxes. : de en
  • DE585878C - Driving wheel : de en
  • US1930183A - Automatic train pipe connecter : en
  • US1930307A - Map holder : en
  • USD90843S - Design for a textile fabric or : en
  • DE585774C - Device for preventing ram strikes in pressurized pipes : de en
  • FR753212A - Centrifugal governor, in particular for adjusting the fuel supply in internal combustion engines with injection : en fr
  • GB399841A - Improvements in or relating to colouring photographs : en
  • CH164540A - Process for the production of alcohols. : de en
  • US1929757A - Football game : en
  • CA336264A - Shoe filler heater : en fr
  • US1930238A - Multiple socket wrench : en
  • DE585688C - Centrifugal casting device : de en
  • US1929941A - Collapsible container : en
  • FR753298A - Combined capacitor holder : en fr
  • GB399742A - Improvements in a binder for magazines, pamphlets and other publications : en
  • DE584387C - Process for the production of real colored lacquers and plastic bodies : de en
  • GB399555A - Improvements in the construction of wings for aircraft : en
  • GB399767A - Improvements in and relating to photo-electric relay apparatus : en
  • CA336309A - Construction of trestles, piers and cofferdams : en fr
  • CH164631A - Liquid level indicator. : de en
  • CH164734A - Process for the preparation of a new sulfonic acid. : de en
  • CH164466A - Method of eradicating weeds and soil pests. : de en
  • AT134848B - Method for regulating the speed of induction motors. : de en
  • CH164658A - Device for damping wave movements in the oil of oil condensers, which are subject to mechanical influences. : de en
  • US1930052A - Engine exhaust nozzle : en
  • US1930167A - Method of covering balls : en
  • FI15492A - Eldhärdiga bräder av trämassa eller dylika fibrer velvet förfaringssätt för deras tillverkning : en fi
  • FR753331A - Spark plug improvements for internal combustion engines : en fr
  • CH164709A - Device for coupling a trailer comprising a single axle movable around a vertical axis with a towing vehicle. : en fr
  • AT134842B - Crawler chain drive, especially for small vehicles such as wheelbarrows and the like. like : de en
  • CH164621A - Guide cross on needle nozzle inlets of free jet turbines. : de en
  • AT134919B - Electric circuit breaker. : de en
  • AU966032A - Improvements in and connected with guides for glass feeding apparatus : en
  • CA336274A - Circuit controller : en fr
  • US1930115A - Spark plug cleaning apparatus : en
  • US1930457A - Method of artificially heating sludge digestion chambers : en
  • CH164533A - Mobile slaughter table. : de en
  • US1929692A - Screen stile : en
  • US1930104A - Paper making machine : en
  • US1930451A - Metal joint : en
  • FI15488A - Insulation mold for pipes : en fi
  • FR753270A - Improvements to compressed air hammers : en fr
  • DK47859C - Electric lighting device with a discharge tube acting as a fluorescent lamp. : da en
  • CH164488A - Installation on central heating boilers. : de en
  • DE585509C - Liquid shock absorbers : de en
  • AU105315B2 - Improvements in plasticised polyvinyl acetal resins : en
  • CA336329A - Truss pad : en fr
  • CA336240A - Shears or scissors : en fr
  • CH164744A - Reflector. : de en
  • US1929500A - Refrigerator car : en
  • US1929713A - Apparatus for roasting zinc ores : en
  • FR753251A - Use of solutions containing pectic products, as quench liquids for quenching steel and similar alloys : en fr
  • CA336279A - Superheterodyne radio receiver : en fr
  • CA336369A - Dyestuff : en fr
  • DE575638C - Device for pasteurizing milk : de en
  • DE585423C - Manufacture of potash : de en
  • CH164528A - Leather shoe with midsole and rubber outsole. : de en
  • CH164543A - Process for pressure hydrogenation. : de en
  • DE585610C - Thread tensioning device for knitting machines : de en
  • DE585860C - Cooling device with ejector device for machine guns : de en
  • GB399633A - Improvements relating to apparatus for delivering liquids into liquid streams : en
  • GB399702A - An appliance to reduce the risk of the person carrying it from infections such as influenza, catarrh, common colds and the like : en
  • FI15454A - Anordning vid för vätskor avsedda värmeutväxlingsapparater, vilkas värmeöverföringsytor utgöras av spiralformigt hoprullade plåtar : en fi
  • GB399550A - Improvements in or relating to thermionic amplifiers : en
  • US1930191A - Tube : en
  • AT134871B - Machine for the production of reinforcement inserts. : de en
  • AT134935B - Device for the recovery of energy in a power distribution system fed from an alternating current source by vacuum arc apparatus. : de en
  • FI15486A - Anordning vid rörskarvar eller kopplingar : en fi
  • GB399597A - Improvements in hydraulic presses for breaking down coal, rock and other substances in mining or quarrying operations : en
  • DE585594C - Washing machine with rammers : de en
  • FI15516A - Mask for trickning from structure : en fi
  • FI15494A - Elektrisk apparat för ljusreklamer, skyltar och dylikt : en fi
  • GB399605A - Improvements in or relating to dobbies for looms for weaving : en
  • GB399696A - Improvements in and relating to machine gun cartridge belts : en
  • US1929745A - Motor controller : en
  • DE585607C - Circuit arrangement for keeping constant a voltage obtained from an alternating current network fluctuating voltage : de en
  • FR42777E - Gas burner : en fr
  • GB399847A - Improvements in or relating to sparking plugs : en
  • US1929667A - Indicating device : en
  • US1929728A - Electric valve converting apparatus : en
  • GB399839A - Improvements in supports for forms, models and the like : en
  • GB399682A - Improvements in and relating to regulating mechanism for prime movers : en
  • CA336248A - Wind propelled water craft : en fr
  • GB399671A - Improvements in and relating to the manufacture of paper bottles : en
  • FI15467A - Kuvert, portfölj eller liknande omhölje : en fi
  • GB399587A - Improvements in or relating to coin selecting devices : en
  • CA336307A - Electrical precipitation apparatus : en fr
  • US1930387A - Cooling system : en
  • USD90856S - Design fob a garment button : en
  • FR753250A - Improvements to remote control devices : en fr
  • FI15489A - Spännanordning för drivremmen vid elektriskt drivna mejeriaggregat : en fi
  • FR753203A - Single-wheel skate with straight walking : en fr
  • FR753307A - Push-in fitting, especially for flexible pipes : en fr
  • GB399628A - Improvements in or relating to devices for measuring spring pressure for use in conjunction with electric contact-making relays, switches, or the like : en
  • US1929811A - Carton cover : en
  • US1930217A - Label : en
  • FI15470A - Portable device for tobacco y.m.s. serving : en fi
  • GB399574A - Improvements in and relating to coin-freed apparatus for playing a game of skill : en
  • GB399745A - Improvements in nut locking arrangements : en
  • DE586021C - Process for the production of films from regenerated cellulose with a patterned surface : de en
  • FR42783E - Magnetic flywheel core : en fr
  • GB399649A - Improvements in and relating to pulleys : en
  • US1930086A - Gaseous electric apparatus and starting mechanism therefor : en
  • US1930100A - Light socket and securing means : en
  • GB399829A - Improvements in bakers' ovens : en
  • US1929742A - Forming fully rounded corners on sheet metal furniture : en
  • FI15455A - Sätt att reducera metaller ur Malmer samt härför warmplig ugn : en fi
  • FR753187A - Rubber preparation process : en fr
  • GB399756A - Improvements in or relating to towing arrangement for aircraft : en
  • DE585899C - Process for the heat treatment of a glass tube : de en
  • GB399637A - Improvements in or relating to latches or catches for doors and the like : en
  • US1930329A - Spring coiling machine : en
  • GB399618A - Improvements in or relating to electric fuse isolators : en
  • GB400168A - Improvements in or relating to the treatment of carbohydrates : en
  • FI15515A - Kippanordning för lastautomobiler : en fi
  • GB399549A - Improvements in or relating to radio receivers suitable for use adjacent internal combustion engines : en
  • CA336368A - Smoke diluting and draft inducing apparatus : en fr
  • CH164614A - Cage-less roller bearing. : de en
  • CH164647A - Automatic liquid starter for electric motor. : en fr
  • GB399728A - Improvements in or relating to lawn mowers : en
  • FR753396A - Improvements to machine tools : en fr
  • US1929573A - Process of applying dyes and product thereof : en
  • US1929633A - Frame for building openings : en
  • FI15508A - Method of making health window slides : en fi
  • DK47843C - Safety device for electric irons. : da en
  • US1929732A - Gelatin product and method of preparing the same : en
  • US1929751A - Acoustic tile : en
  • CH164493A - Device for treating floors and floor coverings. : de en
  • CH164598A - Cold roll. : de en
  • US1929784A - Machine for lining can ends with alpha sealing compound : en
  • US1930407A - Tobacco stemming machine : en
  • US1930369A - Window cleaner's seat : en
  • FR753353A - Cold producing machine : en fr
  • DE585918C - Device for generating a mercury level on films for attachment to cameras and copiers for color photography according to the Lippmann method : de en
  • FI15465A - Gaffel och sätt för tillverkning av ryor m.m. : en fi
  • FR753234A - Electric discharge tube : en fr
  • US1929648A - Frame spacer for beehives : en
  • SE78567C1 - : sv
  • DE587063C - Process for removing the carbolike odor from soaps bleached with hypochlorous acid : de en
  • FR753171A - Device for the automatic and continuous purification of clays and all more or less plastic materials, which can be adapted to all types of propellant machines : en fr
  • GB399693A - Improvements in aircraft having rotative sustaining means : en
  • US1929929A - Wire tie and method of forming same : en
  • FR753280A - Device against theft of bayonet lamps : en fr
  • GB399726A - Improvements in and connected with bottle closure cap releasing means and caps associated therewith : en
  • GB399727A - Improvements in and relating to the mounting of mirrors : en
  • US1930007A - Self-closing gas cock : en
  • US1930193A - Vehicle direction indicator : en
  • DE585901C - Public bathtub : de en
  • FR753199A - Manufacturing process for protective nails for shoes, galoshes, clogs or others : en fr
  • FR753382A - Iodo-metallic accumulator by electrolysis of metallic iodides of light metals and reversibility of the reaction : en fr
  • US1929950A - Amine hydrohalide manufacture : en
  • US1929445A - Pressure fluid motor : en
  • US1929759A - Fire alarm system : en
  • US1930302A - Electric valve converting system : en
  • US1930322A - Shielded spabx-pluo : en
  • CA336238A - Key hole saw : en fr
  • CH164468A - Reed formwork. : de en
  • AT134889B - : de en
  • CH164548A - Process for the preparation of a dye of the anthrapyridone series. : de en
  • CH164717A - Large capacity wagons. : de en
  • US1929975A - Repeat mechanism for typewriters : en
  • CH164604A - Self-opening thread cutting head. : de en
  • US1930077A - Cloth inspector : en
  • US1930144A - Photographic film spool : en
  • US1930309A - Apparatus for spreading hot asphalt : en
  • US1930351A - Process of preparing 1.4-diaminoanthraquinone : en
  • US1929501A - Wheel : en
  • US1929562A - Lubricating can support for motor vehicles, boats, walls, etc. : en
  • US1930441A - Cleaning brush : en
  • DE585921C - Method for determining the development conditions of sound recordings in sound recordings with variable rest light intensity, e.g. B. Plain audio recordings : de en
  • DE585644C - Unmanned signaling station for sea and air traffic : de en
  • DE585821C - Hollow stone ceiling : de en
  • DE585916C - Sewing machine for sewing an endless elastic band into tubular workpieces : de en
  • AT134930B - Protective device for converters with electric valves. : de en
  • CH164563A - Electric typewriter. : en fr
  • FR753397A - Improvements to the combustion chambers of liquid fuel injection engines : en fr
  • AT134903B - Device for converting electrical vibrations into acoustic vibrations or vice versa. : de en
  • USRE18968E - Well strainer and process of : en
  • FR753332A - Method for obtaining a light source : en fr
  • FR753340A - Manufacturing process for refractory bricks : en fr
  • CH164524A - Washing machine with pendulum rotating movements executing washing vessel. : de en
  • DE585882C - Circuit arrangement for telephone systems in which alternating current of a certain frequency is used within the voice frequency range for signaling : de en
  • US1930107A - Safety valve for acetylene torches : en
  • US1929778A - Propulsion of aircraft : en
  • AT134814B - Device for loosening tufts of raw tobacco, especially for cigarette manufacture. : de en
  • GB399747A - Improvements in devices for washing clothes : en
  • US1929612A - Filing cabinet or file box : en
  • USD90859S - Design for a pointer for scales : en
  • AT134908B - Device for registering changes in volume and condition of animal and human organs. : de en
  • AT134924B - Control device with three-electrode tubes. : de en
  • DE585925C - In the manner of a Nuernberger pair of scissors trained carrier for two or more movable lamps for technical, z. B. for photographic purposes : de en
  • CA336252A - Weight recording machine : en fr
  • FR753273A - Steam locomotive with high-speed piston engines, especially for large powers : en fr
  • GB399664A - Improvements in tramway and railway overhead conductor supports : en
  • DE551216C - Holder for headlights : de en
  • US1930095A - Pottery product : en
  • AT134925B - Liquid switch. : de en
  • US1929653A - Device for manufacturing hollow paper bodies from aqueous fibrous pulp after the couching method : en
  • US1929884A - Fluid dispensing device : en
  • DE585668C - Heat exchangers, the surfaces of which are assigned to the individual heat carriers and are almost inversely different from each other than the heat transfer numbers : de en
  • GB399859A - Process and apparatus for the production of coke and gas in intermittently operated chambers : en
  • CH164470A - Sliding window. : de en
  • CH164618A - Gear switch. : en fr
  • AT134820B - Shock absorbers, in particular for motor vehicles. : de en
  • DE586004C - High voltage transformer, especially voltage transducer : de en
  • US1930372A - Apparatus for treating hydrocarbon vapors : en
  • US1930048A - Revolving display sign : en
  • US1930101A - Socketed wall : en
  • US1930205A - Production of tri-sodium phosphate : en
  • CH164593A - Device for marking landmarks on dials. : en fr
  • CA336372A - Filament or thread manufacture : en fr
  • US1929830A - Hot-well preheater and condenser for locomotives : en
  • CH164615A - Thermal insulation, in particular for boilers, pipelines and the like. : de en
  • CA336235A - Horseshoe : en fr
  • CH164633A - Spray nozzle for refrigerator for connection to the water pipe. : de en
  • US1929857A - Auto pneumatic spring for vehicles : en
  • US1929940A - Strand distributor : en
  • US1930262A - Sorting machine : en
  • AT134869B - Discharge tube. : de en
  • CH164516A - Thimble. : de en
  • AT134836B - Process for the production of coarsely dispersed bitumen emulsions. : de en
  • DE585724C - Process for glazing, sizing, finishing and melting of textile fibers : de en
  • DE585953C - AC motor with oscillating armature : de en
  • FR753285A - Device ensuring the rational lengthening and shortening of the lever arm of the cycle cranks : en fr
  • DE585950C - Letterpress finishing process : de en
  • US1929511A - Vessel for containing' fluids under pressure : en
  • AT134921B - AC motor with armature oscillating synchronously in the field. : de en
  • US1929490A - Box : en
  • US1930244A - Illuminated mirror : en
  • US1930425A - Drop center rim : en
  • DK47855C - Procedure for the Manufacture of Narcotic Drugs with their Vitamin C Effects : da en
  • FR753358A - Saddle frame : en fr
  • CH164649A - Electromagnetic safety cut-out for internal electrical installations. : en fr
  • CA336327A - Current collector : en fr
  • CA10114S - Combined stencil sheet and backing sheet : en
  • CA336288A - Drive mechanism : en fr
  • CA336297A - Scale mechanism : en fr
  • CA336330A - Electrolytic condenser : en fr
  • US1929403A - Condenser : en
  • CH164716A - Vehicle with diesel-electric drive. : de en
  • AU1330833A - Improvements in and relating to liquid measuring and dispensing appliances : en
  • US1930150A - Gaseous electric discharge device : en
  • US1930221A - Conversion of hydrocarbons : en
  • AT134936B - Circuit arrangement for call devices from branch points located on a common line. : de en
  • US1929705A - Compound for the treatment of silk and rayon : en
  • CH164579A - Weighing device with device for controlling machines. : de en
  • CA336205A - Bed-spring rest : en fr
  • CH164740A - Process for the production of a new azo dye. : de en
  • CA336233A - Liquid heater : en fr
  • US1929943A - Draft rigging : en
  • CA336311A - Ammonia and hydrogen sulphide removal from gases : en fr
  • CH164605A - Process for the production of shaped pieces with straight, angular or double curved surfaces. : de en
  • US1930235A - Carton : en
  • US1929614A - Temporary binder : en
  • US1930098A - Spring device for drilling machines : en
  • US1930127A - Circuit for gaseous electric discharge devices : en
  • USD90862S - Design for a shoe : en
  • FR753348A - Improvements in the construction of gas meter flywheels : en fr
  • CH164514A - Sewing machine for sewing at least two superimposed lengths of fabric using roll stitches. : de en
  • CH164654A - AC magnet with a high holding force that is almost constant for the duration of a period. : de en
  • US1930168A - Portable saw table : en
  • USD90842S - Design fob a tire : en
  • AT134929B - Electric machine with damper coils arranged in radial planes. : de en
  • DE585849C - hinge : de en
  • CH164634A - Brush holder with pressing device pivoted next to the brush axis. : de en
  • CA336305A - Lard stabilization : en fr
  • DE585951C - Self-actuating rigid steering coupling with movable claws : de en
  • CH164547A - Process for the preparation of an azo dye. : de en
  • CH164535A - Process for decaffeinating caffeinated, aqueous extracts. : de en
  • CA336212A - Potato slicing machine : en fr
  • CH164745A - Device for converting direct current into alternating current by means of grid-controlled discharge vessels. : de en
  • US1929710A - Production of phosphatic fertilizers : en
  • US1929905A - Packing gland : en
  • DE585977C - Speed adjustment device for centrifugal pendulum controller : de en
  • US1929781A - Casing head valve : en
  • US1929550A - Shoe shaping machine : en
  • AT134873B - Warp knitting machine. : de en
  • AT134905B - Multiple break switch with hollow contacts. : de en
  • CA336355A - Rand forming machine : en fr
  • CA336273A - Circuit controller : en fr
  • CH164685A - Self-collecting stamp machine for franking mail of various value levels. : de en
  • US1929597A - Rotary sprinkler : en
  • US1929803A - Journal box and frame connection : en
  • US1929503A - Friction clutch : en
  • US1929533A - Connecting device : en
  • US1930172A - Automatic friction clutch : en
  • US1930422A - Plant for preparing fodder from plants : en
  • CH164499A - Driving device at bed places. : de en
  • DE585515C - Device for the quick drying of liquids : de en
  • DE585956C - Temperature regulator, especially for electrically heated devices : de en
  • GB399621A - A new or improved combined shaving brush and soaping device : en
  • USD90834S - Design for a shoe sole : en
  • US1930047A - Limit switch : en
  • CA336360A - Substation circuit : en fr
  • DE585983C - Crockery chain thread monitor : de en
  • US1929558A - Safe construction : en
  • US1930165A - High current filter : en
  • US1929942A - Method of preparing aluminum oxide gel : en
  • AU950832A - Improvements in or relating to frequency control devices and temperature control means for use therewith : en
  • DK47848C - Control device for row cleaners. : da en
  • DE585556C - Sewing machine with feed bowls : de en
  • CH164536A - Device for separating solid or liquid components from gases or vapors. : de en
  • CH164596A - Hard metal alloy. : de en
  • CH164578A - Recorder. : de en
  • AT134917B - Protective device for multi-phase circuits. : de en
  • CA336347A - Sheet delivery apparatus : en fr
  • US1929429A - Container : en
  • US1929791A - Controller for shock absorbers : en
  • CH164730A - Process for the preparation of a new sulfonic acid. : de en
  • US1929869A - Quick-change chuck : en
  • US1929970A - Automatic textile machine : en
  • CA336306A - Heat transmission : en fr
  • CH164699A - Metal inlay in the shape of a horseshoe for horseshoes made of elastic material. : de en
  • CA336353A - Sewing machine : en fr
  • CH164617A - Pressure reducing device for gases, especially for carbonated dispensing devices. : de en
  • GB400203A - Improvements in or relating to dynamo-electric units for remote signalling, indicating, or control systems : en
  • FR42762E - Improvement in support frames for metal heddles for looms : en fr
  • CA336207A - Froth production : en fr
  • CH164582A - Method and apparatus for the photographic registration of sound waves on a sound carrier. : de en
  • US1930254A - Light regulating device : en
  • US1930413A - Toe pad : en
  • AT134883B - Braid holder. : de en
  • CH164664A - Burner for liquid fuel. : en fr
  • DE585789C - Hand loom : de en
  • US1929405A - Water softening apparatus : en
  • US1930429A - Process of producing wax carbon spots on sheets of paper by impression on an ordinary printing press : en
  • USD90838S - Design for a bag or analogous : en
  • AT134805B - Scattering device for spices or the like. : de en
  • CA336270A - Liquid gravity recorder : en fr
  • AU947032A - Improvements in and relating to writing pads : en
  • AT134937B - Circuit arrangement for telephone systems. : de en
  • US1930147A - Gaseous electric discharge device : en
  • CA336268A - Dichromate manufacture : en fr
  • US1929548A - Snowplow attachment for motor trucks : en
  • US1930388A - Process for hardening alloy steels : en
  • CH164573A - Device allowing with a weapon with central percussion to fire projectiles having to be struck in two points. : en fr
  • US1930196A - Saliva ejector rest : en
  • CH164580A - Display device on calculating machines, cash registers and the like with a lamp field controlled by the setting elements for illuminating digits. : de en
  • CH164722A - Device in a railway system for the transmission of line signal positions to the moving train by means of a stretch stop device arranged on the line. : de en
  • DE585777C - Manufacture of screw nuts from a round bar or round wire : de en
  • FR753354A - Traction sulphates with pumps and transverse controls : en fr
  • GB399738A - Improvements in and relating to the manufacture of moulded articles, particularly for electrical insulating purposes : en
  • US1929683A - Garter and clasp therefor : en
  • CA336257A - Container for folded paper sheets : en fr
  • FR753277A - Trigger coupling device for shotguns and shotguns with application : en fr
  • DE585803C - Brush for applying creams, oils, fats, pastes etc. like : de en
  • GB399780A - Device for changing the paper bobbins in continuous rod cigarette making machines : en
  • CH164566A - Process for the production of layer supports having a color raster for natural-colored cinema films and natural-colored photographs that act in transparency and in supervision. : de en
  • US1929652A - Cash register : en
  • US1930020A - Grip guard for ice cream dippers : en
  • US1930350A - Method of making tetrachlorethylene and hexachlorethane : en
  • DE585558C - Needle thread take-up device for lockstitch sewing machines : de en
  • CA336210A - Razor stropping device : en fr
  • FR753207A - Carburetor for internal combustion engines using fuels other than gasoline : en fr
  • FR753320A - Magneto-thermal relay or circuit breaker with variable characteristics : en fr
  • CH164656A - Electromagnetic relay with low and high voltage contacts. : de en
  • CA336253A - Roller bearing : en fr
  • FR753390A - Compensation provision for load imbalances in electrical networks : en fr
  • FR753311A - Apparatus for fixing metal strips to wooden boards and the like : en fr
  • GB399606A - Improvements in flexible shaft couplings, particularly for use on aircraft : en
  • US1929693A - Proportioner : en
  • DE585913C - Inharmoniously vibrating structures for driving work machines, in which the change in force of the elastic means used as an energy storage device grows depending on the path towards the end of the stroke : de en
  • CA336367A - Filtration material : en fr
  • CH164659A - Corrugated concave mirrors for headlights, in particular those for vehicles. : de en
  • GB399849A - Improvements in or relating to transmissions, particularly for automobiles : en
  • US1930018A - Outdoor advertising signboard : en
  • US1930041A - Tire inflating attachment : en
  • US1930371A - Circular weaving loom : en
  • CA336276A - Hydrocarbon and kerosene processing : en fr
  • CH164629A - Method for using the exhaust gases of two-stroke engines and device for implementing this method. : en fr
  • US1930143A - Bromide recovery from spent developers : en
  • US1930146A - Process for the dehydration of formic acid : en
  • US1930434A - Multiple cash drawer machine : en
  • USD90830S - Design for a bottle : en
  • CH164671A - Artificial hand. : de en
  • AT134843B - Method of welding by generating electrical and chemical heat. : de en
  • FI15464A - For the purposes of this Regulation, the provisions of this Regulation shall apply : en fi
  • FR753343A - Main beam of endless belt machine carrier : en fr
  • GB399686A - Improvements in or relating to electric fusible cut-outs : en
  • AT134845B - Sheet metal bodies for electrical machines and apparatus. : de en
  • AT134941B - Device for alternating activation of several circuits. : de en
  • CH164668A - Saliva ejector for dental purposes. : de en
  • DE585606C - AC-DC single armature converter with more than one pole pair : de en
  • GB399546A - Improvements in or relating to drum winding machines for yarn or the like : en
  • FR753152A - Use of absorbents, particularly activated carbon in the alcohol industry, wood carbonization and their affiliated industries : en fr
  • FI15472A - Sughuv : en fi
  • FR753168A - Manufacturing process of oxygenated organic compounds : en fr
  • FR753183A - Folding mirror camera : en fr
  • DE585957C - Process for the production of cellulose ribbons : de en
  • GB399544A - Improvements in or relating to portable building structures : en
  • GB399603A - Improvements in disinfectant containers for cisterns : en
  • AT134840B - Control device for machines for evaluating punch cards or tapes. : de en
  • CH164501A - Pad, especially for waste bins. : de en
  • CH164519A - Spinning machine for combining a number of threads, strands, wires or the like. : de en
  • US1930152A - Heddle or drop-wire : en
  • US1929698A - Mantle protector : en
  • US1929947A - Cable signal repeater : en
  • AT134893B - Crankless motor compressor with two counter-rotating free-flight pistons. : de en
  • US1929507A - Selector arrangement : en
  • US1929721A - Electric valve converting apparatus : en
  • AT134852B - Device for the automatic and continuous production of a certain mixing ratio of substances of different consistencies. : de en
  • CH164746A - Ankle bandage. : de en
  • DE585251C - Electric overhead cable : de en
  • GB399616A - Improvements in modulating systems for carrier-wave signalling : en
  • DE585390C - Device for mixing oil and fuel, especially for vehicle engines operated with mixed oil : de en
  • US1929566A - Airplane : en
  • US1929689A - Fixing machine : en
  • US1930021A - Chair : en
  • DE585452C - Device for checking the diameter of narrow, relatively long bores : de en
  • DE585912C - Screw drive for converting one rotary movement into another : de en
  • US1929931A - Cathode for electron discharge devices : en
  • US1930222A - Lubricating apparatus : en
  • DE585088C - Tongs on hoists : de en
  • DE585920C - Process for hardening photographic layers, in particular photographic gelatin layers : de en
  • US1929529A - Process and apparatus for converting hydrocarbon oils : en
  • FI15499A - Förfaringssätt for torkning av ur fuktig Cellulosa format material : en fi
  • FR42775E - Improvements made to wheels with removable rims : en fr
  • FR753161A - Spool with cheeks, in particular for the artificial silk industry, and method for unwinding at the end a thread wound on such a spool : en fr
  • GB399564A - Improvements in or relating to rolls for pilger rolling mills : en
  • US1929510A - Filter : en
  • US1929949A - Carbonator : en
  • US1929978A - Chest for flatwork ironer : en
  • FI15511A - Double-ended steel pen : en fi
  • FR753323A - Articulated coat racks for the support and launching of rescue boats placed on ships : en fr
  • FR753239A - Simplified control system for motor vehicle gear changes : en fr
  • CA336371A - Filament or thread manufacture : en fr
  • FR753288A - Device for emptying cans into the gas tank of the car : en fr
  • GB399524A - Improvements in or relating to the treatment of edges of uppers in shoe-making : en
  • US1929437A - Drying and preserving process for fruits and vegetables : en
  • US1929448A - Ribbon vibrating and ribbon shifting mechanism : en
  • US1929617A - Ballast removing machine : en
  • US1929839A - Belting suitable for driving machines : en
  • US1930080A - Parallel picker motion for looms : en
  • US1930327A - Composite silica article and method of fabricating same : en
  • GB399704A - Improvements in and relating to thread-trimming devices for buttonhole sewing machines : en
  • CA336239A - Pole stubbing band : en fr
  • CA336300A - Engine starter : en fr
  • US1929559A - Process of coating and product thereof : en
  • US1930169A - Rendering : en
  • US1929664A - Process of obtaining carbon black and alpha gaseous mixture of hydrogen and nitrogenin controlled proportions by the thermal dissociation of hydrocarbon gases and vapors : en
  • US1929904A - Glow tube for amplifying, detecting, and other purposes : en
  • GB399641A - Improvements relating to automatic potentiometers and like balancing arrangements and applications thereof : en
  • GB400170A - Apparatus for use in determining the content of fat in milk and milk products : en
  • FR753196A - Improvements to extinguishers : en fr
  • US1929685A - Reflector system for stereocinematograph cameras : en
  • FR753194A - Improvements to extinguisher equipment : en fr
  • GB399612A - A universally adjustable valve seat cutter and valve re-seating tool for inclined or vertical valves of internal combustion engines from 1 to 2 diameter : en
  • US1930046A - System for the transmission and reception of radiant energy : en
  • US1930282A - Shock absorber : en
  • US1930200A - Automatic control of internal combustion engines : en
  • US1930242A - Box support : en
  • CA336358A - Electric discharge device : en fr
  • DE585975C - Film switching device for roll film cameras : de en
  • DK47854C - Absorption Refrigerator with Working Media Contents. : da en
  • FR42786E - Improvements in the preparation of chromates and dichromates : en fr
  • FR753293A - Improvements to depth regulators for automotive torpedoes : en fr
  • DE585483C - Theft protection for motor vehicles : de en
  • US1929783A - Painting instrument : en
  • USD90833S - Design for a flexible pocket : en
  • FI15493A - Sätt attverver pressade plattor eller föremål av fibrer : en fi
  • FR42793E - Life belt : en fr
  • GB399722A - Improvements relating to the capping of bottles : en
  • CA336278A - Fuse : en fr
  • DE585963C - Marking device for window and door frames : de en
  • US1929807A - Drag link : en
  • US1930189A - Bumper guard : en
  • US1929489A - Process of treating petroleum : en
  • DE585892C - Arrangement for connecting capacitors to alternating current networks, especially high-voltage networks : de en
  • FR753159A - Self-regulating charge of fixed or mobile buffer batteries to obtain additional power from the generator : en fr
  • FR753351A - Coffin refinements : en fr
  • US1929454A - Combined clutch and driving pulley : en
  • US1930004A - Double hook power dog : en
  • US1930197A - Combined spotting and release mechanism : en
  • US1929463A - Razor blade stropper : en
  • DE586023C - Locking device for bridge scales : de en
  • AU947232A - Improved saw guide and feeder for use in felling trees orthe like : en
  • CH164627A - Pinion starter. : de en
  • DE585640C - Metal truss : de en
  • FR753225A - Improvements to the production processes of a precipitated basic alum : en fr
  • DE585759C - Bobbin spinning machine for rayon with bobbin carriers that can be swiveled by 180 ° : de en
  • FR753226A - Illuminated advertising device, especially for indoors : en fr
  • FR753235A - Thermionic amplifier device : en fr
  • US1929772A - Handle device : en
  • US1929932A - Photo-electric tube : en
  • CA336317A - Salesbook and holder : en fr
  • US1929634A - Frame for building openings : en
  • DK47856C - Steel or Cast Iron with greatly reduced Tendency to Rust. : da en
  • DE585910C - Heating device for the cooling water circuit of internal combustion engines : de en
  • DE585641C - Aircraft with a fuselage, the part of which is folded behind the wings around a horizontal or vertical axis : de en
  • US1929834A - Brooder air circulating device : en
  • DE585655C - Electric gas discharge tubes for luminous and ultraviolet radiation purposes with hot electrodes activated to high electron emission : de en
  • FR753228A - Method and device for selective radio transmission and reception, either direct or indirect, of electro-mechanical controls with multiple doors : en fr
  • US1929753A - Lock : en
  • GB399571A - Improvements in or relating to the manufacture of wire fabric or network : en
  • GB399638A - Improvements in and relating to spiked rollers for puncturing and aerating the turf and soil of bowling greens, putting greens and the like : en
  • FR753217A - Improvements made to clothing, especially those such as jackets : en fr
  • DE585403C - Device for introducing coal into continuously operated vertical furnaces : de en
  • DE585864C - Device for making detonator combs from a continuous band : de en
  • GB399579A - Improvements in or relating to high frequency oscillators : en
  • US1930354A - Guard for downspouts : en
  • AT134801B - Removable frame. : de en
  • CH164646A - Automatic switch. : de en
  • US1929722A - Electric valve converting apparatus : en
  • US1930090A - Gaseous electric discharge device : en
  • US1930136A - Cellulose organic ester composition containing alpha cyclic acetate : en
  • US1930145A - Method for making acetone soluble cellulose acetate with aldehyde : en
  • DE572615C - Production of hydrogen peroxide : de en
  • US1929874A - Prevention of parasitic oscillations : en
  • US1930333A - Protective arrangement : en
  • DE585833C - Internal clamping device for processing thin-walled, especially round hollow bodies : de en
  • DE586026C - Procedure for determining the quantitative proportions of the individual grain sizes in the total amount of dust in air or gases : de en
  • US1929743A - Caster and the like : en
  • US1930225A - Refrigerating system : en
  • DE585159C - Device for peat extraction by milling : de en
  • DE585599C - Device for intensity control of cathode ray tubes used for television, sound film, picture telegraphy or the like : de en
  • US1929539A - Clamp : en
  • US1929763A - Stop motion for alpha doubling and twisting machine : en
  • US1929592A - Telephone system : en
  • US1929706A - Pasteurizer : en
  • US1929741A - Lock : en
  • CH164581A - Calculator. : en fr
  • DE585236C - Shoe nailing machine for single and double row nailing : de en
  • GB399567A - Improvements relating to apparatus for measuring thread for sewing machines : en
  • FR753361A - Spraying device for liquid fuel burners : en fr
  • GB399607A - Improvements in or relating to aircraft propellers : en
  • GB399719A - Improvements in centrifugal governors for reciprocating engines : en
  • FR753224A - Steam boiler : en fr
  • FR753376A - Tobacco leaf threading machine : en fr
  • CH164537A - Process and apparatus for the production of nitrogen and nitrogen-hydrogen mixtures by the decomposition of ammonia. : de en
  • FI15450A - Crystallization arrangements : en fi
  • US1929552A - Electrical circuit controlling device with minimum time delay element : en
  • US1929640A - Electromagnetic device for oscillating the headlights of motor vehicles : en
  • US1930182A - Valve stemless inner tube, self-sealing section and the like : en