• US2301126A - Glare elimination apparatus : en
  • US2300792A - Manufacture of rolls : en
  • US2300978A - Lint cleaning apparatus : en
  • US2300689A - Automatic priming pump and the like : en
  • US2300843A - Dirt remover : en
  • CA408376A - Steel containing tungsten : en fr
  • FR876359A - Retort improvements for the continuous carbonization of coal and other similar materials : en fr
  • US2300614A - Liquid level gauge : en
  • US2301140A - Forming blade holding core segments : en
  • GB549108A - Improved crank pin assembly : en
  • US2300444A - Roller : en
  • US2301170A - Electric motor : en
  • US2300957A - Electric motor construction : en
  • AU335941A - An improved method and means of projecting images for eye testing : en
  • US2301027A - Method of casting : en
  • DE727639C - High voltage switchgear : de en
  • US2300420A - Dewaxing of white mineral oils : en
  • US2300554A - Process for breaking petroleum emulsions : en
  • CA408377A - Collar manufacture : en fr
  • US2300391A - Lubricant additive : en
  • US2300542A - Automatic fountain mixer : en
  • US2300887A - Girdle : en
  • DE727542C - Process for the production of long-lasting, fine-grained and spreadable quark : de en
  • DE727575C - Insulator support for wire masts : de en
  • US2300943A - Process of alloying molybdennum with ferrous alloys : en
  • US2301124A - Making peroxidic compounds : en
  • DE719989C - Process for the production of coffee substitute extracts from toasted bread : de en
  • DE727556C - Device for emptying trickle cooling systems for cooling lignite and other debris : de en
  • FR876376A - Welding process and products obtained by this process : en fr
  • US2300571A - Time controlled signal release : en
  • CA408327A - Radio system for aerial navigation : en fr
  • US2300659A - Lead resinates of hydrogenated : en
  • US2300506A - Window construction : en
  • US2300574A - Air mixer for unit heaters : en
  • US2300580A - Air conditioning apparatus : en
  • US2300793A - Self-heating can : en
  • US2301049A - Crushproof button : en
  • GB549096A - Improvements in or relating to air preheaters for furnaces and the like : en
  • US2300652A - Torque wrench : en
  • US2300634A - Tube coils : en
  • US2300775A - Communication system : en
  • US2301057A - Communicating system : en
  • US2301150A - Combined screen and blind : en
  • CA408360A - Tank : en fr
  • US2300394A - Pulse modulation system : en
  • US2300567A - Tube wall juxtaposing mechanism : en
  • DE727613C - Receiver with a device for changing the tone color : de en
  • GB548976A - An improved check-freed cabinet for dispensing oil or other liquids : en
  • US2301133A - Manually controllable and adjustable speed controlling means for tractors : en
  • CA408355A - Permeable plaster mould : en fr
  • DE727393C - Felt-like material and process for its manufacture : de en
  • DE727600C - Quick release for parachute harness equipment : de en
  • GB549137A - Improvements relating to precision grinding machines : en
  • US2300637A - Hair curler : en
  • USD134275S - Design for a textile fabric : en
  • CA408416A - Textile treatment : en fr
  • CA408432A - Zirconium oxide opacifier : en fr
  • DE727364C - Device for setting an object : de en
  • DE727394C - Gyroscope with power supply : de en
  • DE727646C - Chair leg support part for converting an existing chair into a mobile chair : de en
  • DE727523C - Ice box : de en
  • FR876333A - Breathing apparatus for saddle, draft and work animals : en fr
  • US2300499A - Eyeleting machine : en
  • US2301116A - Safety latch shackle : en
  • US2300947A - Ship propulsion system : en
  • GB549076A - Improvements in or relating to facsimile signalling systems : en
  • US2300700A - Electric welding : en
  • US2300759A - Injection molding of synthetic materials : en
  • GB549087A - Improvements relating to gas fires and radiators : en
  • GB549125A - Improvements in and relating to electrical control systems employing vacuum tubes operating with secondary emission : en
  • DE727537C - Bedding for large horizontal multi-cylinder piston engines : de en
  • FR876369A - Skin shaving machine : en fr
  • GB549049A - Improvements in process of producing textile yarn : en
  • DE727620C - Device for remote measurement of rotational speeds by means of current pulses controlled by the shaft to be measured : de en
  • GB549069A - Improved device for easily delivering paper, such as wrapping paper : en
  • FR876454A - Gas regulator : en fr
  • CA408357A - Electric switch : en fr
  • US2301067A - Automatic laminating machine : en
  • GB549135A - Improvements relating to leading-in arrangements for vacuum or gas-filled electric discharge devices : en
  • US2300411A - Merchandising and display box : en
  • US2300987A - Metallurgical apparatus : en
  • CA408410A - Scraper bowl mounting : en fr
  • DE727358C - Device for guiding fabric, film or paper webs, especially in drying chambers : de en
  • DK60295C - Procedure for Manufacturing Tooth Replacement Pieces. : da en
  • US2300755A - Ribbon-feed mechanism : en
  • US2300875A - Radio receiving system : en
  • US2300731A - Combination rake and stacker : en
  • GB549005A - Improvements in or relating to devices for supporting or suspending textile articles : en
  • GB549050A - Improvements in or relating to laminated fabric : en
  • DE727567C - Rotary drill drive on the rope in the borehole : de en
  • US2300688A - Fluid impelling device : en
  • US2301016A - Machine for wrapping rolls of toilet paper and the like : en
  • US2300447A - Animated sign : en
  • US2300675A - Liquid control gear : en
  • US2301023A - Coupling network : en
  • US2301056A - Timing device : en
  • DE727595C - Process for the optical sensitization of halogen silver emulsions : de en
  • DE727636C - Blocking and monitoring device for routes, signals, switches, etc. like : de en
  • CA408382A - Dough twisting machine : en fr
  • DE727446C - Washing machine with a paddle wheel to move the detergent solution : de en
  • USRE22219E - zimmerman : en
  • DE727635C - Device for transmitting the route signals to rail vehicles : de en
  • US2301062A - Article made of sponge glass and method of manufacturing the same : en
  • DE727457C - Drive for nozzle pipes of cleaning devices for machine and vehicle parts : de en
  • DE727609C - Horizontal chamber furnace with a channel in the furnace roof : de en
  • DE727481C - Process for creating metal-free areas in insulating materials metallized on a paint substrate : de en
  • FR876490A - Electronic speed modulation systems without hardware grid : en fr
  • US2300492A - Container : en
  • US2300674A - Secondary rack : en
  • US2300818A - Method for obtaining valuable products boiling largely within the gasoline range : en
  • US2300706A - Power transmission belt : en
  • US2300794A - Razor : en
  • USD134245S - Holder for musical instrument reeds or the like : en
  • CA408321A - Electric motor wheel : en fr
  • CA408409A - High frequency coil core : en fr
  • US2300501A - Television system : en
  • US2300513A - Time switch mechanism : en
  • US2301025A - Rotary distributor for trickling filters : en
  • US2300471A - Voltage regulator : en
  • US2300624A - Multiple curb chain : en
  • US2300752A - Combination clutch, brake, and control mechanism : en
  • FR876299A - Device comprising a cathode ray tube fitted with deflection members and intended for the production of very high frequency oscillations : en fr
  • US2300404A - Remote reading magnetic compass : en
  • US2300620A - Electrical protective device : en
  • FR876389A - Set of transparent plates with a grid pattern intended to be used for copying images : en fr
  • DE727615C - Process for the production of carbon brushes : de en
  • US2300654A - Pitot tube : en
  • US2300899A - Thermostatic water valve : en
  • US2300546A - Dispensing device : en
  • US2301077A - Lever for loom box lifting mechanism : en
  • DE727258C - Auxiliary power device for disengaging and engaging the main clutches of two change gears driven in parallel power flow : de en
  • GB548995A - Improvements in latches for doors : en
  • US2300986A - Antenna system : en
  • CA408363A - Hog weighing steelyard : en fr
  • DE727357C - Fitting jacket : de en
  • US2300911A - Washing device : en
  • GB549029A - Improvements in apparatus for the measurement of quantities related to the dimensions of visual impressions : en
  • DE727420C - Aircraft landing gear : de en
  • US2301065A - Circular knitting machine : en
  • AU116057B2 - Improvements in multiplex telegraphy : en
  • US2300864A - Electromagnetic coil mounting : en
  • US2301127A - Vegetable shredder : en
  • US2300804A - Knitting machine and needle therefor : en
  • US2300849A - Sulphuric acid manufacture and apparatus therefor : en
  • US2300807A - Control device : en
  • DE727413C - Threshing machine with vacuum cleaner : de en
  • DE727561C - Confidentiality procedures : de en
  • DE727462C - Mortise lock : de en
  • US2300409A - Alarm system : en
  • DE727378C - Torsional vibration damper for machine shafts : de en
  • DE727489C - Device for measuring torsional vibrations of a rotating shaft : de en
  • GB549097A - Improvements in or relating to cooling systems for internal combustion engines : en
  • AU116047B2 - Method and apparatus for expressing oil : en
  • AU382741A - Apparatus for cleaning the surface of anodes : en
  • US2300959A - Cathode for discharge devices : en
  • CA408336A - Wheel and assembly : en fr
  • GB548997A - Improvements in and relating to fluorescent materials and processes of making the same : en
  • DE727514C - Starting device for internal combustion engines : de en
  • DE727460C - Safety device for foldable aircraft surface : de en
  • CA408367A - Rubber vulcanization accelerator : en fr
  • CA408397A - Furnace radiator : en fr
  • US2300408A - Flood cover : en
  • US2300625A - Sheet feeding apparatus : en
  • GB549115A - Improvements in and relating to fluid-operated presses : en
  • US2300607A - Vulcanizable polymerization product and process of producing same : en
  • US2300813A - Tamping tube : en
  • US2301017A - Burner construction : en
  • US2300406A - Operating handle : en
  • USD134270S - Design for a mitten : en
  • US2300457A - Automatic stock bar feed mechanism for automatic screw machines : en
  • US2300597A - Dialkyl cyanamide compound : en
  • US2300898A - Bedcover supporting device : en
  • US2300942A - Television carrier-signal receiver control system : en
  • GB549025A - A device for attaching a magnifying glass or lens to electric-light shades or reflectors : en
  • US2301043A - Antifouling of firearms : en
  • US2300744A - Pouring handle and carrier for necked containers : en
  • DE727602C - Split drop center rim for agricultural tractors : de en
  • FR876456A - Expandable register : en fr
  • FR876489A - Machine for fitting junction staples on transmission belts : en fr
  • US2300917A - Method of making bulbs : en
  • US2300798A - Variable voice delay network control : en
  • GB549010A - Facsimile telegraph system : en
  • FR876258A - High frequency systems using the propagation of electromagnetic oscillations in a guide of rectangular section : en fr
  • DE727432C - Device for simultaneous grinding and brushing : de en
  • US2300419A - Variable pitch propeller control : en
  • US2300456A - Toy shovel : en
  • US2301069A - Polishing machine : en
  • US2301149A - Accelerator of vulcanization and method of preparing it : en
  • US2300914A - Replacement tool : en
  • FR876301A - Hydraulic brake control unit for normal and differential braking of vehicle wheels : en fr
  • US2300489A - Switch : en
  • US2300512A - Shaving appliance : en
  • US2300605A - Electric flour sifter : en
  • US2300717A - Saw retoothing machine : en
  • FR876484A - Method and device for polishing printing cylinders : en fr
  • FR876494A - Speed acceleration and energy reduction device for cycles : en fr
  • US2301084A - Conveyer : en
  • US2301034A - Oil separating system for compressors : en
  • US2300573A - Chicken roost, nest, and litter carrier : en
  • US2301080A - Visor : en
  • FR876335A - Hollow tubular conduit for short waves : en fr
  • FR876347A - Advanced anti-theft locks : en fr
  • FR876446A - Double security lock : en fr
  • FR876403A - Packaging for light-sensitive material, leaf-shaped : en fr
  • US2300738A - Recoil pad : en
  • US2301039A - Printing machine : en
  • US2301083A - Cam hardening machine : en
  • FR876336A - Installation of automatic bandwidth regulation in receivers : en fr
  • DE727607C - Installation on ski bindings with more than two toe guide jaws : de en
  • FR876386A - Apparatus for examining and measuring various physical properties of fibers, yarns and the like : en fr
  • US2300897A - Pressure switch : en
  • DE727573C - Mobile antenna table for radio sets : de en
  • DE727425C - Frame for finishing porous fiber cement panels produced on cardboard machines : de en
  • US2300693A - Process for dewatering sludges : en
  • US2300687A - Fluid impelling device : en
  • DE727525C - Circuit arrangement for telephone systems in which group speech connections are made via amplifiers : de en
  • GB549054A - Improved manufacture of catamenial tampons : en
  • US2300516A - Shearing tool : en
  • CA408342A - Engine transmission gear : en fr
  • DE727611C - Viewfinder on television or film cameras, in particular for reportage purposes : de en
  • FR876427A - Safety device for maintaining the oil level in reciprocating compressors : en fr
  • US2300667A - Combination underwear : en
  • US2301087A - Cover for bottles : en
  • US2301168A - Ironing machine : en
  • DE727434C - Lateral relief of the spindles in screw pumps or screw motors : de en
  • FR876451A - Polychromic printing process for fabrics and resulting new product : en fr
  • US2300865A - Transmission mechanism : en
  • US2301167A - Receptacle carrier : en
  • GB549000A - Portable electric tool motor construction : en
  • FR876281A - Process for impregnating wood : en fr
  • DE727614C - Device for the simultaneous holding and cooling of the line ends of insulated aluminum lines or cables when welding cable lugs to the conductor ends and method for using the device : de en
  • GB549126A - Improvements in or relating to the manufacture of screw thread gauges : en
  • FR876383A - Process for improving the mechanical properties, and in particular the compressive strength, of cement, mortar and concrete : en fr
  • GB549045A - Improvements in or relating to copying lathes : en
  • US2300701A - Means for controlling relative : en
  • US2300999A - Electromagnetic inspection system : en
  • US2301068A - Proportional divider : en
  • DE727366C - Mechanical converter for technical alternating current with an alternating current flowing through a coil oscillating in a magnetic field : de en
  • DE727555C - Process for the production of glycerine by fermentation : de en
  • DE727467C - Paper guide device for typewriters, typewriters and. like : de en
  • US2300788A - Lead base alloy and cable sheath composed thereof : en
  • GB549043A - Improvements in or relating to the manufacture of electric insulators : en
  • FR876391A - Solid fuel gasifier, combined with a scrubber for supplying internal combustion engines and in particular automobiles : en fr
  • GB548998A - Improvements in and relating to rotary gear wheel pumps : en
  • US2300589A - Animalizing cellulosic fibers : en
  • US2301074A - Closure lock and operator : en
  • FR876271A - Improvements to cultivators and other agricultural implements : en fr
  • FR876285A - Process for the preparation of baked enamels and baked enamels and primers obtained by this process : en fr
  • DK60301C - Apparatus for temperature control in central heating systems and hot water systems. : da en
  • FR876255A - Temperate living cabin for apartments : en fr
  • GB549048A - Improvements in or relating to control elements such as knobs, dials, switch handles and similar devices : en
  • GB549110A - Improvements in electrical screening devices : en
  • US2300475A - Ventilating device : en
  • FR876273A - Electric cooking appliance : en fr
  • GB549133A - Improvements connected with lawn mowers : en
  • CA408368A - Rubber vulcanization : en fr
  • US2301075A - Enamel lined beer barrel : en
  • US2300643A - Sanding mechanism : en
  • US2300591A - Electronic scanning device : en
  • GB549007A - Rubber joints : en
  • GB549004A - Improvements in or relating to insect screens : en
  • US2300611A - Stabilized insecticides : en
  • FR876495A - Improved flax retting process : en fr
  • GB549090A - Improvements in or relating to composite metal castings : en
  • FR876385A - Method of reproduction of relief applicable in particular in decoration and resulting products : en fr
  • US2300601A - Winch : en
  • DE727549C - Device for alternately driving the shear drum and the chain beam of a shear and tree machine : de en
  • GB549067A - Improvements in or relating to newspaper conveyors : en
  • DE727608C - Process for the saccharification of cellulose : de en
  • DE727468C - Disc-shaped, piezoelectric oscillator made of quartz : de en
  • FR876287A - Device for limiting the maximum speed of motor vehicles : en fr
  • FR876297A - X-ray examination device : en fr
  • FR876458A - Shea meal treatment process : en fr
  • GB549121A - Improved transfer for printing on rubber and method of application : en
  • GB548973A - Improvements in or relating to machines for operating upon the margins of boot or shoe soles : en
  • GB549073A - Improvements in screw propellers : en
  • GB549065A - Improved process for grinding hard material : en
  • DE727596C - Luminous screen for electrical discharge vessels : de en
  • US2300837A - Electric cooker : en
  • USD134236S - Design foe a dress : en
  • GB548984A - Improvements in or relating to thread milling machines : en
  • FR876455A - Pulp improvement process : en fr
  • DE727391C - Formwork made of iron sheet metal panels provided with U-shaped surrounds : de en
  • DE727456C - Cooling for motor vehicles, aircraft and stationary systems according to : de en
  • DE727516C - Arrangement for theodolites used for tracking fast moving targets : de en
  • US2301003A - Method of producing rayon fibers or filaments : en
  • GB549062A - Improvements relating to mechanical braking systems : en
  • FR876412A - Device for driving the tracks or traction bands of motor vehicles, in particular for road services : en fr
  • GB548969A - Improvements in or relating to the automatic control of the electrodes of electric welding apparatus : en
  • DE694916C - properties : de en
  • US2300982A - Decating machine : en
  • USD134265S - Design for a concrete finishing tool : en
  • DE727566C - Method of preserving sausages : de en
  • USRE22216E - Projection screen : en
  • GB548968A - Improvements in or relating to signal transmission circuit arrangements : en
  • DE727384C - Ventilation device, in particular for motor vehicles : de en
  • GB549111A - An improved method of softening water : en
  • US2300425A - Baby bed and stroller : en
  • US2300473A - Ornamental display or container structure : en
  • DE727638C - Circuit arrangement for current impulses over sealed lines of telecommunications systems, in particular for the purposes of long-distance dialing in telephone systems : de en
  • US2300525A - Register support : en
  • US2300952A - Pump foot valve screen : en
  • US2301009A - Artificial hand : en
  • DE727438C - Armored vehicle : de en
  • FR876443A - Ceramic electric heater : en fr
  • US2300866A - Compound tool : en
  • DK60293C - Method of Extraction of Vitamin E. : da en
  • DE727370C - Cantilever luffing crane with four-bar jib arranged on a truck : de en
  • AU336441A - Improvements in or relating to electric lighting units for industrial, street, or general lighting purposes : en
  • DE727431C - Electrical air protection with auxiliary contacts : de en
  • FR876349A - Method and devices for controlling the weight of fragmented materials or liquids taken from hoppers or tanks for mixing : en fr
  • US2300606A - Coffee maker : en
  • US2301081A - Window curtain : en
  • DE727580C - Switchgear with an arc protection cover above the busbars : de en
  • DE727408C - United electromagnetic regulator switch device with three armatures for power generating systems, especially on vehicles : de en
  • US2300758A - Blading and balancing piston arrangement : en
  • US2300800A - Pipe : en
  • US2301042A - Foldable display box : en
  • CA408412A - Scraper lift mechanism : en fr
  • US2300556A - Amino polyglycol ether : en
  • US2300691A - Process for refining hydrocarbon oils and derivatives : en
  • US2300745A - Pouring handle and carrier for jugs and the like : en
  • CA408341A - Metal cleaning and coating composition : en fr
  • AU116035B2 - Apparatus for cleaning the surface of anodes : en
  • US2300826A - Lubricating means for sewing machines : en
  • CA408405A - Record card reconditioning apparatus : en fr
  • CA408358A - Fluid measuring and controlling apparatus : en fr
  • DE727418C - Method and device for the sterilization of foodstuffs to be sealed airtight in cans and to be exposed to the action of hot water in a pressure cooker : de en
  • AU116033B2 - Improvements relating to circuit arrangements for thermionic oscillation generators, particularly for radio communication systems : en
  • DE727463C - Housing for Baskuel gear : de en
  • US2300399A - Tape feed control : en
  • US2300466A - Quiet flow retarding device : en
  • US2300562A - Fuel container sounding device : en
  • US2300754A - Self-lubricating bearing : en
  • US2300803A - Method of making instrument scales by photography : en
  • US2300631A - Vehicle : en
  • US2300903A - Electrical ignition and fuel supply : en
  • US2300448A - Proportional divider and calculator : en
  • US2301072A - Supercharger control : en
  • US2300666A - Electric power cable : en
  • US2300812A - Acid-resistant cementing composition : en
  • US2300660A - Carroting solution : en
  • DE727454C - Device for measuring the size and direction of the thrust forces for propellers that work with blades moving relative to the propeller body and at a rate to its rotation : de en
  • US2300410A - Vitamin-containing emulsion and process of producing the same : en
  • US2301151A - Adjustable stop countersink : en
  • FR876291A - Progressive speed change for alternative control : en fr
  • US2300811A - Direction signal switch : en
  • US2301026A - Multiple-leaf filing folder : en
  • AU337441A - Improvements in valve operated variable reactors : en
  • DE727587C - Device for manufacturing incandescent lamp bulbs from glass tubes : de en
  • FR876470A - Further training in drawing trains for spinning looms : en fr
  • FR876497A - : fr
  • US2300692A - Tissue package holder : en
  • CA408419A - Sanding relay : en fr
  • GB548980A - Improvements in or relating to sliding and folding doors, partitions and the like : en
  • DE727385C - Scissors combined with several auxiliary tools : de en
  • US2300761A - Aggregation of dispersoids : en
  • US2301024A - Method of and apparatus for preparing facsimile master copies : en
  • DE727606C - Swivel pressure fork for the charging contact of horizontally suspended bombs : de en
  • GB549081A - Improvements relating to the treatment of organo-silicols and products thereof : en
  • FR876481A - Device for fixing metal wedges or other product on the heels of rubber or various materials shoes : en fr
  • US2300504A - Lighting fixture construction : en
  • CA408424A - Moccasin : en fr
  • DE727395C - Process for the production of enamel : de en
  • FR876439A - Snap-on clamp for securing compressed gas tubes : en fr
  • US2300953A - Interlock circuit for vertical door operators : en
  • US2301169A - Handle : en
  • GB549078A - Fastening means for a detachable piece of a clamping or spring-pressure-applying device : en
  • DE727560C - Device for the electrical detuning of an oscillation circuit : de en
  • DK60307C - Protective screen for Bicycles. : da en
  • US2300600A - Method of activating carbon : en
  • US2300802A - Bowling pin setting apparatus : en
  • DE727433C - Process for the production of luminescent screens : de en
  • DE727512C - Electric contact : de en
  • DE727633C - Arrangement for approval requirements and command or approval deliveries for interlocking systems : de en
  • DE727367C - Salt spreader with a crushing device for salt lumps : de en
  • FR876483A - Transportable semi-continuous self-carbonizer for wood waste or chopped wood with high water content : en fr
  • US2301007A - Constant temperature apparatus : en
  • FR876447A - Improvements to refrigerated cabinets : en fr
  • US2301161A - Shower curtain : en
  • DK60298C - Sound-regulating and sound-insulating Wall or Ceiling construction. : da en
  • US2301064A - Apparatus for use in the manufacture of sliding clasp fasteners : en
  • GB549002A - Improvements in and relating to electrical communication systems : en
  • US2300572A - Phthalocyanine sulphonic acid amides : en
  • US2300970A - Apparatus for printing subtractive multicolor images : en
  • US2301053A - Process for the production of : en
  • FR876397A - Charcoal oven : en fr
  • US2300633A - Proportioning apparatus : en
  • US2300768A - Broiler : en
  • US2301098A - Power transmission : en
  • DE727585C - Device for catching and cutting knots u. Like. In running, artificial, wet thread bands : de en
  • DE727632C - Annealing furnace with uninterrupted material conveyance : de en
  • GB548987A - Improvements in and relating to the production of burnt dolomite : en
  • DE727553C - Hydropower plant : de en
  • AU390441A - Improved motor and compressor assemblage for electric refrigerators : en
  • US2300703A - Container with integral spout : en
  • US2300774A - Automobile fuel mixer : en
  • DE727502C - Locking device on gears of adjusting propellers : de en
  • US2300434A - Multiplex telegraph system : en
  • US2300925A - Illuminating device for pressers : en
  • US2301171A - Cutting machine : en
  • USD134247S - Design fob a whippeb blade : en
  • USD134252S - Design fob a vacuum tube : en
  • FR876267A - Process for the precipitation of cellulose derivatives from their solutions : en fr
  • FR876471A - Improvements to mechanical contactors : en fr
  • US2300772A - Beehive : en
  • GB549063A - Improvements in dynamo electric machines : en
  • GB549095A - Improvements in or relating to bracelets for personal wear or like bands : en
  • US2300778A - Sound reproducer drive : en
  • US2300799A - Cigarette holder : en
  • USD134249S - Design fob a carton luncheon tray : en
  • DE727374C - In particular high-speed two-stroke internal combustion engine with flat pistons working with direct current purging : de en
  • FR876400A - Installation for handling sardines or other fish in canning factories : en fr
  • GB549102A - Improvements in means for attaching collars to shirts : en
  • GB548985A - Improvements in means for producing or forming the peripheral profile of a grinding wheel : en
  • GB549122A - Improvements in current transformers : en
  • DE727520C - Cooling system : de en
  • DE724887C - Method and device for controlling the polar wheels of multi-pole synchronous machines working in parallel : de en
  • GB549107A - Spindle drive control for machine tools : en
  • US2300604A - Spectacle case : en
  • FR876429A - Articulated support arm : en fr
  • FR876428A - High temperature resistant seal : en fr
  • FR876312A - Container fitted with a delivery piston and a screw nozzle for impregnating holes drilled in the wood : en fr
  • USD134243S - Design for a display table : en
  • DE727588C - Retraction for crane boom : de en
  • FR876375A - Shoe polishing and cleaning material and method of manufacturing this material : en fr
  • US2301137A - Means for resiliently interlocking concrete road slabs : en
  • US2300783A - Furnace charging fixture : en
  • DE727401C - Process for matting textiles with pigment dispersions : de en
  • DE727471C - Culture facility for microbiological processes : de en
  • DE727550C - Reel drive for narrow ribbon looms : de en
  • DE727572C - Procedure for calibrating the scale of a tuning circle : de en
  • US2300823A - Indicating device for well drills : en
  • FR876377A - Fixed or mobile installation for spray painting of large surfaces : en fr
  • US2300790A - Electrical relay : en
  • DE727435C - Flat shaped piece for the production of a mask body of gas protective masks : de en
  • US2300929A - Exercising and strength testing apparatus : en
  • USD134258S - Design for a figurine : en
  • GB549046A - Improvements relating to lattice structures : en
  • CA408346A - Bearing : en fr
  • US2300403A - Addition agent for lubricating oils : en
  • FR876462A - Process for discolouring tinted aluminum plates in the mass with a surface oxide layer : en fr
  • US2300619A - Lock nut and method of making : en
  • DE727407C - Roller conveyor grate for industrial furnaces : de en
  • DE727422C - Automatic oil bath lubrication for the differential and the toothed wheel drive to drive the rear wheels of a tractor : de en
  • US2300493A - Rotary internal combustion engine : en
  • US2300773A - Full automatic orientator and tip cutting apparatus : en
  • US2300655A - Attachment for adhesive tape holders : en
  • US2300974A - Molded article : en
  • DE727382C - Damping device for string instruments : de en
  • GB549066A - A device for connecting flush pipes to water-closet pans and for use in making like joints : en
  • DE727647C - Wet drum gas knife : de en
  • FR876259A - evaporometer for dams : en fr
  • GB548982A - Magnetic alloy of iron and aluminium : en
  • US2300421A - Clothes washer : en
  • US2300585A - Article attaching machine : en
  • US2300993A - Control device : en
  • DE727159C - Automatic regulation of the air heating of railway vehicles : de en
  • US2300767A - Strip stock for timber reinforcing irons : en
  • US2301094A - Stock feeding mechanism for swaging machines : en
  • USD134244S - Embroidered trimming or similar article : en
  • CA408404A - Meat pie : en fr
  • AU418642A - Photographic emulsions : en
  • US2300535A - Knife sharpening mechanism for cutting machines : en
  • US2300820A - Outlet gate : en
  • CA408369A - Organic plastic moulding method : en fr
  • DE727398C - Distribution and shut-off device for distribution pipes branched off from a downpipe for dry pourable material : de en
  • DE727452C - Discharge tubes, consisting of ceramic parts and a cylindrical anode made of metal and provided with annular cooling ribs : de en
  • US2300440A - Container : en
  • USD134271S - Design for a cap : en
  • US2300721A - Hydraulic machine : en
  • US2300983A - Flop-over box : en
  • CA408364A - Plaster-like product : en fr
  • CA408403A - Hydroxy-aldehyde and hydroxy-ketone : en fr
  • US2301097A - Power transmission : en
  • US2300502A - Automobile : en
  • AU383441A - Improved means for securing a shoe upper tothe counter ofa last : en
  • CA408381A - Container capping mechanism : en fr
  • AU116056B2 - Means to facilitate interstate rail traffic by eliminating transhipping : en
  • CA408441A - Artificial filamentary material : en fr
  • DE727505C - Compressed air spray gun for spraying with round, flat or wide jet : de en
  • AU227341A - Means to facilitate interstate rail traffic by eliminating transhipping : en
  • AU474842A - Device for measuring small direct voltages : en
  • CA408438A - Bottle cover : en fr
  • CA408340A - Metal cleaning and coating composition : en fr
  • DE727499C - Securing unscrewed fastening screws against falling out of the parts to be fastened : de en
  • AU116042B2 - Device for measuring small direct voltages : en
  • FR876437A - Folding trailer for cycles and other vehicles : en fr
  • DE727379C - Carrying device for revolving feed pipes for material rods at Drehbaenken u. like : de en
  • DE727497C - Feeding device for table separators : de en
  • US2300520A - Damper winding : en
  • US2300642A - Gas drawing apparatus : en
  • US2300490A - Concrete mixer construction : en
  • DE727637C - Circuit arrangement for the elastic improvement of current surges in telecommunications systems, in particular in telephone systems : de en
  • GB549024A - Improvements in or relating to the production of dies and like press tools : en
  • US2300628A - Apparatus for treating the surfaces of storage battery plates : en
  • US2300931A - Metal-porcelain-glass vacuumtight structure : en
  • US2301022A - Electrochemical generation of electricity : en
  • US2300828A - Dental cleansing device : en
  • DE727412C - Device for measuring speeds : de en
  • US2300577A - Artificial tooth : en
  • US2301052A - Polymerized hydrocarbon oils : en
  • FR876366A - Protection device for underground motors : en fr
  • FR876339A - Secret lock : en fr
  • GB549103A - Improvements in or relating to shutter operating mechanism of projection apparatus for transparencies : en
  • US2300859A - Door holder : en
  • US2301054A - Film feed : en
  • DK60294C - Procedure for Reducing Interference during Radio Reception by Compensation. : da en
  • US2300723A - Fan : en
  • DE727518C - Composite excavator : de en
  • US2300576A - Loop-automatic and manual drive : en
  • US2300632A - Oscillation generator : en
  • US2300851A - Earth pulverizer : en
  • US2300560A - Heat controlling apparatus : en
  • US2301012A - Electron tube : en
  • FR876491A - Drip distributor valve for supplying liquid fuel burners : en fr
  • FR876465A - leuco-sulfuric ethers-salts of tank dyes of the anthanthronic series and process for their preparation : en fr
  • CA408374A - Photographic gelatine layer : en fr
  • AU337941A - Improvements relating to circuit arrangements for thermionic oscillation generators, particularly for radio communication systems : en
  • US2301006A - Folding or laying machine : en
  • FR876479A - Advanced safety razors : en fr
  • GB549014A - Improvements in or relating to electrolytic cells : en
  • GB548972A - Improvements in or relating to electrical heating apparatus : en
  • US2300711A - Coupling : en
  • US2301041A - Valve adjusting means : en
  • US2300443A - Separable fastener : en
  • DE727464C - Wood nailing machine : de en
  • DE727529C - Method of starting an electric furnace for high temperatures : de en
  • FR876469A - Improvements to speed modulated tube circuits : en fr
  • US2300467A - Gakmesot suppostek : en
  • DE727368C - Hook bar with spring-loaded suspension hook for hand towels and wipes, keys, etc. like : de en
  • DK60296C - Spring bud for sitting or reclining furniture. : da en
  • US2300553A - Method of and apparatus for valving bags : en
  • US2300581A - Monitoring system : en
  • FR876324A - Clutch device : en fr
  • US2301166A - Road scraper control : en
  • DK60309C - Track or Slides for Slides. : da en
  • GB549019A - Granular material classifier or purifier : en
  • DE727480C - Sealing compound for bushing insulators u. like : de en
  • GB549082A - Improvements in or relating to holding devices for or containing anti-condensation preparations for application to the visors or eye-pieces of gas-masks or respirators : en
  • GB549116A - Improvements in and relating to electric measuring instruments : en
  • DE727543C - Roll film camera with cutting device : de en
  • FR876425A - Device for transporting bulk materials on water : en fr
  • GB548970A - Improvements in or relating to methods and apparatus for heat-treating metallic tubular members : en
  • US2300407A - Viner : en
  • US2301110A - Process of refining oil : en
  • US2301134A - Method of feeding molten glass : en
  • FR876436A - Cutting machine for rusks and the like : en fr
  • FR876414A - Maneuvering device by reversing an electric motor : en fr
  • CA408437A - Safety tire tube : en fr
  • FR876319A - Water-insoluble azo dyes and process for their preparation : en fr
  • DE727363C - Flicker direction finder : de en
  • DE727487C - Device for the automatic activation of escalators : de en
  • FR876363A - Process for the production of gasifier gas intended for the propulsion of motor vehicles : en fr
  • GB549036A - Improvements in electric primary batteries : en
  • DE727501C - Process for the production of X-ray secondary beam diaphragms : de en
  • US2300748A - Draft tube : en
  • AU2498545A - Improvements in or relating to electron discharge devices employing hollow resonators : en
  • DE727377C - Lid closure for vessels with opening on top : de en
  • GB549131A - Improvements in brake mechanism for trailer vehicles : en
  • GB549120A - Improvements in or relating to the manufacture of titanium pigments : en
  • US2300838A - Stoker motor control : en
  • USD134256S - Design for a handbag : en
  • FR876406A - Low compression fuel injection engine with electric spark plug or hot ball ignition : en fr
  • DE727359C - Process for making water-impermeable, but air-permeable fabrics : de en
  • US2300449A - Removable lining for boxcars : en
  • DE727531C - Knife combined with a fork for one-handed use : de en
  • DE727578C - Separation point for electrical wiring systems : de en
  • US2300415A - Transmission control : en
  • US2300750A - Manufacture of soap : en
  • AU116061B2 - Improvements in and relating tonon-skid pneumatic tyres, applicable tothe formation ofother nonskid surfaces : en
  • CA408314A - Pump : en fr
  • FR876450A - Improvements to piston compressors for refrigeration uses : en fr
  • GB549008A - Method of and apparatus for reproducing a television picture with a cathode ray tube and separate light source : en
  • US2300895A - Pressure controlled instrument : en
  • FR876260A - Removable cover register system : en fr
  • FR876341A - Dielectrics and plasticizers : en fr
  • CA408415A - Textile treatment : en fr
  • GB549114A - Improvements in or relating to agricultural implements : en
  • CA408423A - Fertilizer : en fr
  • AU377641A - Improvements inthe purification of hydrogen : en
  • US2300733A - Cellulose pulping system : en
  • US2300702A - Preparation of sulphanilylaminopyridine compounds : en
  • DE727403C - Process for the production of trivalent and pentavalent arsenic compounds from 2-mercaptobenzoxazolabkoemmlingen : de en
  • DE727477C - Device for eliminating the distortion of the figure described by the cathode ray in a cathode ray tube : de en
  • AU116037B2 - Improved means for securing a shoe upper tothe counter ofa last : en
  • US2300602A - Machine gun ammunition feed : en
  • US2300990A - Combined tension and screw-down control for strip mills : en
  • CA408392A - Machine gun belt guideway : en fr
  • US2300578A - Boiler drafting assembly : en
  • CA408394A - Torque-sustaining device : en fr
  • US2301040A - Heat control system : en
  • US2301125A - Apparatus for vulcanizing floor mats : en
  • GB549061A - Improvements in earth boring apparatus : en
  • DE727605C - Trigger device for automatic firearms : de en
  • DE727612C - Device for remote tuning of an oscillator, in particular an overlay receiver : de en
  • US2300665A - Refrigerator car construction : en
  • US2300740A - Method of curing glue stock : en
  • USD134250S - Design foe a combined ldystick and holder : en
  • AU116041B2 - Improvement in display package : en
  • US2301120A - Screen oil filter : en
  • USD134251S - Design for a service flag : en
  • US2300445A - Mordanting agent : en
  • FR876310A - Process for the pre-treatment of substances to be separated electrostatically : en fr
  • FR876332A - Crude Oil Emulsion Dehydration Process : en fr
  • US2300551A - Stove : en
  • CA408339A - Alcoholic beverage : en fr
  • US2300695A - Sample holder for spectrophotometers and colorimeters and method of comparing optical reflecting powers of materials : en
  • US2300821A - Mop and the method of making the same : en
  • CA408418A - Decorated fabric : en fr
  • US2300941A - Vapor-electric device : en
  • US2301118A - Condensation product of naphthol, aldehyde, and dithio acid and method of preparing it : en
  • US2300594A - Method and apparatus for attaching sealing elements to containers : en
  • US2300694A - Valve : en
  • US2300910A - Transformer : en
  • US2301066A - Athletic supporter : en
  • AU368241A - Improvements in and relating tonon-skid pneumatic tyres, applicable tothe formation ofother nonskid surfaces : en
  • DE727424C - Equipment for tightening ski bindings : de en
  • US2300509A - Fastener with lockable camming hasp : en
  • US2300770A - Swing current generator : en
  • US2300579A - Refrigeration : en
  • USD134266S - Design for a merchandise container : en
  • US2300479A - Interchangeable head, ratchet type socket wrench : en
  • US2300566A - Process of preparing polymerization products : en
  • US2300847A - Vacuum type radio antenna : en
  • US2301101A - Hot top : en
  • US2300583A - Sewing machine oil reservoir : en
  • DE727429C - Reinforced concrete structure, especially for girder bridges : de en
  • CA408328A - Fountain brush and tube holder : en fr
  • US2300671A - Article of tableware : en
  • US2300734A - Process of making chroman compounds : en
  • FR876379A - Transportable transformer : en fr
  • US2300488A - Roofing with self-cementing butts : en
  • US2300465A - Electrical distribution system : en
  • DE727369C - Bootstrap : de en
  • FR876338A - Process for increasing the service life of steel construction elements subjected to mechanical stress at high temperature : en fr
  • FR876415A - Escape anchor for watch movements : en fr
  • DE714553C - Frame trusses glued together from solid plywood webs and square timber girders : de en
  • US2300563A - Grounding device : en
  • US2300766A - Multistage centrifugal compressor : en
  • GB548981A - Improvements in or relating to rollers for belt conveyors or other machines : en
  • FR876351A - Automotive headlights improvements : en fr
  • DE727592C - Control drive for the valves of an internal combustion engine controlled by the cylinder head : de en
  • US2300730A - Ignition device : en
  • US2300739A - Insole : en
  • FR876279A - Dental prosthesis process, and more especially for fillings using synthetic substances : en fr
  • DE727396C - Suspension for the rear wheel of single-track vehicles : de en
  • GB549094A - Improvements in or relating to polishing, grinding or like machines for treating wire, rods or the like : en
  • GB549118A - Improvements in and relating to hand trucks for transporting machinery and the like : en
  • FR876251A - Two-chamber oven for combined drying and reheating : en fr
  • GB549001A - A process for producing unsaturated alcohols and ethers : en
  • DE727417C - Rocking jaw crusher : de en
  • FR876306A - Electrical appliance producing steam for space heating or other purposes : en fr
  • US2301117A - Vulcanization of rubber : en
  • GB548992A - Improvements in or relating to electric-arc-welded joints : en
  • DE727544C - Motor vehicle with a change or other transmission, which is provided with a power take-off for an auxiliary device : de en
  • US2300653A - Expansible anchoring device : en
  • DE694158C - Method and device for peeling seeds : de en
  • US2300418A - Control device : en
  • USD134277S - Design for a textile fabric : en
  • FR876452A - fuel saver : en fr
  • FR876426A - Swivel crossmember for high voltage line pylons : en fr
  • GB549015A - New compositions useful as oxidising and bleaching agents : en
  • FR876309A - Device for adjusting the phase of carrier frequency transmission installations : en fr
  • FR876398A - Transport plane : en fr
  • US2300743A - Oven : en
  • DE727539C - Spring turning device for internal combustion engines : de en
  • GB549052A - Improvements relating to railway traffic controlling apparatus : en
  • FI19428A - Procedure for sugaring wood, straw and other substances containing hexosan and pentosan : en fi
  • GB548974A - Improvements relating to the production of glass fibres : en
  • FR876368A - Image replacement device with a descent shaft and an image magazine connected to it : en fr
  • DE727404C - Process for the production of betaine-like constituted condensation products : de en
  • FR876331A - Receiver of t. s. f. band dispersion for a number of relatively narrow frequency bands : en fr
  • US2300672A - Dry shaver : en
  • DE727545C - Cooling device for friction clutches, in particular for motor vehicles : de en
  • US2300435A - Machine for assembling fuses : en
  • US2300452A - Combined power supply and scanning generator system : en
  • US2300647A - Piston : en
  • US2300853A - Control circuit for gaseous electric discharge lamps : en
  • US2301129A - Cigar lighter : en
  • US2301073A - Ventilation of rooms and the like : en
  • US2300879A - Mounting means for motors : en
  • FR876304A - High pressure electric discharge tube for lighting and irradiation applications : en fr
  • US2300521A - Friction clutch with radial springs : en
  • US2300531A - Remote control apparatus : en
  • US2300608A - Furniture : en
  • US2301103A - Method of preparing normal ferric sulphate : en
  • US2301115A - Electrical tachometer : en
  • DK60308C - Tap machine. : da en
  • US2301105A - Safety collar for drills : en
  • FR876262A - Improvements to gasifiers and more specifically to fireplaces and gas purifiers : en fr
  • DE727569C - Milling roller with wooden covering : de en
  • FR876252A - Method and device for lubricating projectiles : en fr
  • FR876459A - Metal working method : en fr
  • FR876441A - Process for preparing or improving substances to be washed and cleaned : en fr
  • GB549112A - Preparation of tartaric acids : en
  • GB548989A - Improvements relating to high tension electric switches : en
  • FR876346A - Improvements in the tracing of the advance cams of automatic bar turning lathes for long parts : en fr
  • US2301123A - Abrasive grain : en
  • US2301135A - Toggle bolt : en
  • USD134246S - Design for a dress : en
  • US2300714A - Radio shielded spark plug and the like : en
  • US2300808A - Device for use in knitting : en
  • US2301050A - Goggle : en
  • US2300855A - Method of drilling diamonds : en
  • FR876432A - Method for determining cracks in castings of light metal alloys : en fr
  • DE727483C - Compressed gas switch : de en
  • US2301028A - Power transmission : en
  • GR9998B - VEGETABLE MILK FROM SOYBEAN SEEDS OR OTHER SEEDS OR FRUITS JUDGED SUITABLE FOR THIS. : el en
  • IE16355L - Dispersible sulphur preparation : en
  • DE727098C - Printing device for data carriers to be evaluated automatically : de en
  • DE727390C - Arrangement for enforcing a start and stop at the same speed for three-phase motors : de en
  • GB549057A - Welding transformer : en
  • DE727355C - Runner for sliding windows and doors with swiveling leaves : de en
  • US2300833A - Milking machine teat cup : en
  • DE727406C - Process for the preparation of acidic phosphoric acid esters of phenols : de en
  • FR876292A - Stopper with extraction device for unblocking bottles : en fr
  • DK60291C - Rotating Filter. : da en
  • FR876323A - Method and device for treating balls of textile materials : en fr
  • US2301099A - Control mechanism : en
  • US2300428A - Parachute pack container : en
  • US2300815A - Valve for pumps : en
  • US2300668A - Automatic record-changing apparatus : en
  • US2300948A - Composition and method : en
  • US2301011A - Electrode feeding mechanism : en
  • US2300656A - Gang spot welder : en
  • US2300960A - Dynamometer control system : en
  • DE727532C - Swinging conveyor basket connecting platform : de en
  • CA408402A - Hydraulic shock absorber packing and sealing means : en fr
  • DE727493C - Manure spreader : de en
  • GB549047A - Improvements in electrical signalling systems utilising trains of impulses for control purposes : en
  • DE727448C - Insulating tape : de en
  • CA408383A - Tractor mower : en fr
  • US2300861A - Rasp : en
  • DE727484C - Arrangement for controlling an adjusting motor for clockwise and counterclockwise rotation : de en
  • USD134248S - Portable barbecue broiler : en
  • US2300649A - Toy airplane apparatus : en
  • US2300789A - Filtering apparatus : en
  • US2301037A - Hydraulic brake lock : en
  • US2300705A - Signal means for suction cleaners : en
  • US2301032A - Refuse receptacle : en
  • US2301131A - Method of making unsaturated compounds : en
  • CA408384A - Railway track member and welding rod : en fr
  • DE727536C - Four-stroke star in-line engine : de en
  • FR876407A - Injection pump for engines incorporating a rotating jet injector and adjustable angular amplitude flow rate : en fr
  • DE727451C - Lighting control device : de en
  • US2300500A - Box for packing lamp shades : en
  • US2300584A - Tube coupling : en
  • GB549021A - Improvements relating to gas producers : en
  • GB549041A - Improvements in and relating to damping devices, more especially for sensitive instruments, such as gyro-compasses : en
  • US2300958A - Single phase var meter : en
  • DE727230C - Circuit arrangement for alarm systems in which the alarm ordering lines are routed in groups to distribution points : de en
  • US2300555A - Process for breaking petroleum emulsions : en
  • US2301113A - Heat exchange apparatus : en
  • DE727601C - Device for making instruments visible in vehicles, in particular in aircraft : de en
  • DE727371C - Device for the automatic representation of a size depending on a second size according to two working diagrams, which show each of these two sizes depending on a common third size : de en
  • US2300621A - Globe clock structure : en
  • US2300638A - Alternating current generator : en
  • DE727589C - Device for preventing the formation of slack in the hoist rope of hoists : de en
  • FR876408A - two piece wheel fixing nut : en fr
  • DE712577C - Toys with figures that automatically step downwards on an inclined plane : de en
  • US2300858A - Bushing cap : en
  • US2300446A - Rolling colter : en
  • US2300904A - Toilet seat : en
  • US2300786A - Gill-drawing frame : en
  • DE727354C - Locking device for the adjustment rods of the fuel supply in motor vehicles : de en
  • DK60306C - Streamlined bodywork for Motor Vehicles. : da en
  • DE727564C - Transformer or choke coil with at least two wound iron core legs : de en
  • FR876370A - Printing cylinder feed and feed device for printing machines : en fr
  • FR876360A - Improvements in obtaining color photographs : en fr
  • FR876431A - Process for preparing carboxylic acids of the n-heterocyclic series : en fr
  • US2301142A - Composition for speeding up the making of pigment pastes : en
  • FR876327A - Method and device for tempering masses of chocolate or other sweet products on surfaces which move with the masses : en fr
  • GB549074A - Improvements in electrical signalling systems utilising trains of impulses for control purposes : en
  • US2300541A - Pressing machine : en
  • US2300763A - Portable well derrick : en
  • US2300906A - Method and apparatus for making fibrous containers : en
  • US2300928A - Engine starter gearing : en
  • US2301138A - Hurricane lantern for vehicles : en
  • US2301147A - Electric safety razor : en
  • US2300417A - Apparatus for cooling gas : en
  • US2300522A - Sheet glass drawing machine : en
  • US2300595A - Impression device : en
  • US2301063A - Pumping mechanism : en
  • US2300396A - Nut rolling and shaping machine : en
  • US2300455A - Therapeutic bath cabinet : en
  • US2300874A - Carrying case, box, and the like : en
  • CA408430A - Telegraph transmitter : en fr
  • US2300618A - Branch exchange : en
  • US2300829A - Calling line identification system : en
  • US2300963A - Electric discharge lamp circuit : en
  • US2300684A - Griddle greaser : en
  • US2301076A - Dump cart : en
  • CA408390A - Well treating method : en fr
  • FR876329A - Radio receiver with bandwidth adjustment and bass sound enhancement : en fr
  • FR876488A - Elastic wheel : en fr
  • GB549006A - Condensation of carbonylic compounds : en
  • CA408365A - Synthetic yarn sizing method : en fr
  • CA408446A - Straight knitting machine : en fr
  • US2300870A - Electric lamp and mounting : en
  • CA408332A - Interfitting machine parts assembly : en fr
  • CA408420A - Regenerated cellulose stiffening process : en fr
  • US2300814A - Indicating meter, particularly for radio navigational purposes : en
  • US2301086A - Stretch-wrap method and product : en
  • AU116078B2 - Machines for winding electric coils : en
  • US2300424A - Multiple differential : en
  • USD134260S - Combined battery charger and tester : en
  • US2300442A - Separable fastener : en
  • US2300469A - Desk pad : en
  • US2300832A - Derivatives of dinaphthoperylenediones : en
  • US2300886A - High-speed wattmeter-type relay : en
  • US2300771A - Fault locating equipment : en
  • DE727547C - Process for covering materials of any kind with a protective coating : de en
  • US2300921A - Sewing machine attachment : en
  • DK60310C - Coastal clothing. : da en
  • CA408362A - Conveyer for loose materials : en fr
  • CA408408A - Lawn mower : en fr
  • US2300764A - Automatic ash tray : en
  • DE727621C - Device on tools for cutting nail tips : de en
  • CA408391A - Fumigant container : en fr
  • FR876278A - Rotary cathode device for obtaining thick detachable deposits : en fr
  • FR876435A - Soft handlebars for cycles : en fr
  • US2300459A - Screen hanger : en
  • US2300559A - Microprojection apparatus : en
  • AU498642A - Improvements in and relating to mountings for tubular electric discharge lamps : en
  • US2300718A - Method of making reinforced padding supports : en
  • US2300994A - Calender for paper : en
  • US2301033A - Calculating device : en
  • DK60304C - Coupling for eccentric presses, crank presses and similar work machines, which coupling is retractable in two steps. : da en
  • FR876264A - Heating and refrigeration process : en fr
  • FR876387A - Process for making oscillations visible, in particular for monitoring overmodulation in the constitution of sound recordings : en fr
  • GB549031A - Improved light-excluding ventilator for use in conjunction with "blackout" shutters ad/or screens : en
  • CA408427A - Package binding apparatus : en fr
  • US2300481A - Machine tool : en
  • CA408325A - Gauge : en fr
  • FR876334A - Device for controlling the automatic opening of a pop-top lighter : en fr
  • DE727405C - Process for the preparation of p-methoxybenzyl alkyl ketones : de en
  • US2301163A - High frequency tuned oscillatory circuit : en
  • US2300964A - Magnetic core structure : en
  • USD134242S - Lady s handbag : en
  • CA408366A - Rubber vulcanization : en fr
  • CA408348A - Flushing apparatus : en fr
  • CA408386A - Earth formation treating method : en fr
  • US2300709A - Electrical prospecting method : en
  • US2300825A - Storage tank vent valve : en
  • US2300673A - Secondary rack : en
  • US2300878A - Treatment of nonferrous catalysts : en
  • USD134262S - Design fob a cigarette case or similar article : en
  • CA408433A - Drill press driving mechanism : en fr
  • US2300432A - Altimeter control device : en
  • US2301114A - Optical projector : en
  • DE727437C - Control device for moving objects, especially guns : de en
  • US2300669A - Ring spinning and ring doubling machine : en
  • US2300762A - Automatic motorcycle stand retractor : en
  • US2301031A - Valve : en
  • US2300945A - Electric ship propulsion : en
  • US2300741A - Method of pumfying j-picoline : en
  • US2301088A - Feed roller : en
  • US2301136A - Flow control apparatus : en
  • US2301048A - Oil proofing : en
  • US2300570A - Method of preparing alkylol cyanamide condensation products : en
  • US2300961A - Gas range structure : en
  • GB549051A - Improvements in trussed beams : en
  • US2300495A - Mounting of specimens and the like : en
  • CA408417A - Bottled beverage vending machine : en fr
  • US2300777A - Method of grading fruit : en
  • US2300936A - Toilet seat : en
  • AU116052B2 - Improvements in and relating to mountings for tubular electric discharge lamps : en
  • US2300658A - Universal joint : en
  • US2301164A - Floor grinder : en
  • DE727485C - Stiffening and connection of two or more coils arranged one on top of the other in the same rotating system : de en
  • DE727603C - Automatic firearm : de en
  • US2300662A - Carroting solution : en
  • US2300995A - Transverse expansion joint : en
  • CA408401A - Dynamite cartridge primer tube : en fr
  • CA408387A - Well treating method : en fr
  • US2300791A - Method and apparatus for crimping textile fibrous material : en
  • CA408356A - Motor reversing circuit and switch : en fr
  • US2300526A - Cutting die : en
  • US2300451A - High-voltage power-supply system : en
  • US2301139A - Blowing air control for glassware forming machines : en
  • US2300891A - Liquid conductor heater : en
  • US2300946A - Electric ship propulsion : en
  • DE727640C - Electric ceiling heating : de en
  • FR876294A - : fr
  • US2300450A - Apparatus for cleaning lubricant receptacles and the like : en
  • US2300463A - Device for receiving and recording telegraphic symbols : en
  • US2300846A - Lightning arrester : en
  • US2301112A - Typewriting machine : en
  • US2300464A - Hose coupling : en
  • US2300860A - Kiln drawing means : en
  • US2300437A - Page roll curler : en
  • FR876305A - Insulated clamp for earth cable : en fr
  • FR876340A - Improvements to oscillating supports for bobbins, bobbin holders of all winders, doublers, collators and other similar machines : en fr
  • US2300827A - Flotation of nonmetallic minerals : en
  • US2301079A - Body and fender tool : en
  • USD134241S - Design for a navy chess game board : en
  • AU116064B2 - An improved method and means of projecting images for eye testing : en
  • AU335241A - Improvements in multiplex telegraphy : en
  • US2300822A - Electromagnetic switch : en
  • USD134255S - Design for a finger ring : en
  • CA408311A - Addition agent for caustic alkali electrolytes used i the production of hydrogen and oxygen : en fr
  • US2300894A - Tongs : en
  • CA408322A - Hollow filament manufacture : en fr
  • DE727628C - Device for automatic control of the blowdown valve of boilers, evaporators, etc. like : de en
  • FR876263A - Improvements to engine intake manifolds : en fr
  • FR876317A - Clasp device for bags, towels, suitcases, etc. : en fr
  • GB549084A - Improvements in the manufacture of moulding powders : en
  • DE727517C - Panel-shaped building play element : de en
  • DE727538C - Torsional vibration damper, especially for crankshafts of internal combustion engines : de en
  • US2300944A - Process of alloying tungsten with ferrous metals : en
  • DE727389C - Paper trolley switching device for typewriters or the like. : de en
  • FR876378A - Installation for painting large areas by pressure spraying of the color : en fr
  • CA408329A - Rotary engine : en fr
  • DK60302C - Insulation body for pipes and similar objects. : da en
  • AU424542A - Improvements in or relating to semi-indirect lighting fittings : en
  • DE727565C - Hydraulically working material testing machine with a throttle-like overflow device to keep the test load equal : de en
  • FR876433A - Improvements to selector switches for high frequency power lines : en fr
  • US2300393A - Method of increasing fluid perme : en
  • US2301130A - Pump : en
  • US2300940A - Coupling system for carrier currents : en
  • DE727439C - Bucket wheel excavator for optional work in high and low cut : de en
  • FR876344A - Gas valve for rich gas burner : en fr
  • FR876357A - Automatic hammering machine : en fr
  • CA408442A - Train pipe connector : en fr
  • FR876448A - Carbide drop acetylene generator more particularly for supplying internal combustion engines : en fr
  • GB549100A - Improvements in or relating to blade fastenings for turbines : en
  • DE727119C - Calculating machine, adding machine, cash register or similar machine : de en
  • DE727399C - Washer-extractor with drum drive by a motor driven by a pressurized fluid : de en
  • US2301144A - Wheel mounting device : en
  • FR876266A - Improvements with emulsions particularly suitable for decorating fabrics : en fr
  • FR876286A - Connection system for two-sided conversation control systems via loudspeakers : en fr
  • US2300439A - Stable mixtures containing levoascorbic acid or the like : en
  • US2300663A - Heat exchange device : en
  • FR876280A - New industrial product that can be used for the manufacture of construction materials, insulators, abrasives, etc., and all molded parts : en fr
  • GB548977A - Appliances for playing board games : en
  • FR876492A - Device applicable to typewriters allowing automatic control of strips of carbon paper sandwiched between each sheet of paper : en fr
  • CA408323A - Concrete composition : en fr
  • FR876419A - Process for producing hardened artificial materials : en fr
  • FR876473A - Improvements to small rotating magnet alternators : en fr
  • US2300646A - Spark plug : en
  • GB549040A - Improvements in lubricating greases : en
  • FR876295A - Centrifugal coupling, more specially intended for the connection of a gear change stage with the engine of a vehicle : en fr
  • FR876361A - Concentric lick circuit likely to agree : en fr
  • FR876290A - Advancement mechanism for machine tools : en fr
  • US2300612A - Stabilized pyrethrum : en
  • DE727465C - Lead sight with mechanically controlled v-vector : de en
  • DK60299C - Wood splitting machine, nanvlig for Generator firewood. : da en
  • FR876411A - Central heating boiler operating by carbonization of wood or by combustion of sawdust : en fr
  • USRE22215E - Semistiff collar : en
  • US2300881A - Varnish for printing inks and coatings : en
  • FR876318A - Improvements to electric heaters : en fr
  • FR876353A - Manufacturing process of reclaimed rubber : en fr
  • US2300395A - Dust seal : en
  • US2301001A - Well superstructure : en
  • CA408333A - Sheaf binder : en fr
  • DE727522C - Device for generating block ice by means of natural cold : de en
  • GB549018A - Improvements in or relating to arrangements for charging secondary electric batteries : en
  • GR9999B - METAL SOAP POLISHER. : el en
  • DE727381C - Method for manufacturing the support bodies for flange bearings provided with a bearing metal spout : de en
  • FR876330A - Amplifier tube : en fr
  • DE727449C - Relay circuit for an alternating current device that is fed from a direct current network by means of an inverter : de en
  • US2301071A - Engine starting mechanism : en
  • US2300888A - Film splicing device : en
  • DE727466C - Weightless chain boom brake mounted to swing around the chain boom brake disc : de en
  • FR876405A - Ship power plant with gas generator : en fr
  • DE727535C - Internal combustion engine with star-shaped working cylinders : de en
  • FR876342A - Contact device, in particular for current rectification : en fr
  • DE727473C - Process for the production of clumps of 4-aminobenzenesulfonamides : de en
  • US2300725A - Emergency brake for vehicles : en
  • US2300805A - Drilling bit : en
  • US2301155A - Lock : en
  • AU416742A - Photographic emulsions : en
  • CA408375A - Electric rate meter : en fr
  • FR876463A - Mixed heating tunnel kilns : en fr
  • GB549013A - Improvements in or relating to pressure fluid operated cartridges : en
  • US2300834A - Eyeglass construction : en
  • US2300484A - Motion picture projection system : en
  • US2300785A - Gear stud assembly : en
  • US2300636A - Tetrakisazo dyestuffs soluble in water : en
  • US2300765A - Aspirator : en
  • GB548971A - Improvements in or relating to shoe stiffeners and means for producing the same : en
  • US2300749A - Manufacture of soap : en
  • USD134273S - Design for a textile fabric or similar article : en
  • US2300537A - Control system : en
  • US2300992A - Mercurated alkyl amides of dibasic phenylene acids and homologues thereof : en
  • DE727479C - Method for bearing without night effects : de en
  • DE727508C - Tube circuit arrangement for ultra-short waves : de en
  • US2300707A - Cop winding machine : en
  • US2300547A - Flexible hose connection : en
  • US2300686A - Lead resinate and method of : en
  • US2300724A - Electric switch : en
  • US2300401A - Vector calculating board : en
  • US2300422A - Floating chair type seat : en
  • FR876404A - Package for light sensitive photographic equipment, and method of manufacture : en fr
  • GB549056A - Improvements relating to sound records on films : en
  • US2300736A - Method of making filamentous glass : en
  • US2300980A - Puller for broaching steels : en
  • DE727386C - Impact and shock transmission means, in particular pickers for looms : de en
  • FR876453A - Gas mixer : en fr
  • GB548991A - Device for determining the centre of gravity and/or the weight of aircraft : en
  • CA408396A - Railway switch and signal control system : en fr
  • CA408435A - Sintered friction article : en fr
  • US2300528A - Glass forming roll : en
  • DE727641C - Generator gas firing with descending gasification for the generation of continuous fires from solid, gas-rich fuels, e.g. B. wood : de en
  • GB549092A - Improvements in and relating to variable electrical inductance devices : en
  • FR876343A - Fast process for preparing ethyl acetal : en fr
  • FR876430A - Device for transmitting adjustment movements : en fr
  • DE727350C - Lid closure for roll film cassettes and film developing boxes : de en
  • GB548999A - Improvements in radioscopic and radiographic apparatus : en
  • FR876449A - Strictly sealed shaft seal : en fr
  • GB549071A - Improvements in surface grinding machines : en
  • US2301128A - Bag : en
  • USD134268S - Design for a dress : en
  • DE727490C - Method for fastening the reeds of reed frequency meters : de en
  • DE727443C - Device for introducing offset mountains : de en
  • US2300670A - Electrical metal fusing apparatus and method : en
  • US2300966A - Chest : en
  • GB549060A - Improvements in antifogging and stabilizing agents for photographic emulsions : en
  • US2300454A - Coated metallic article for use at elevated temperatures : en
  • US2300780A - Sulphated oil composition : en
  • US2300867A - Welding generator : en
  • US2300530A - Circuit breaker : en
  • US2301013A - Making photographic silhouette records : en
  • US2300735A - Threshold plate : en
  • FR876367A - Cinematographic projector, in particular for narrow films : en fr
  • FR876420A - Device for pushing sheet metal : en fr
  • US2300926A - Vibration fatigue apparatus : en
  • GB549027A - Improvements in the bobbin hoisting means of stranding machines : en
  • USD134237S - Instruction device or similar article : en
  • US2300915A - Flashlight stand or the like : en
  • DE727618C - Monitoring device for booking machines electrically controlled by punch cards : de en
  • GB549130A - Improvements in and relating to the construction of buildings huts, vehicle bodies and the like : en
  • DE674504C - Device for hanging up sausages : de en
  • DE727356C - Process for the production of bodies from a wood mass mixed with binding agents : de en
  • GB548993A - An improved let-off motion for looms : en
  • DE727511C - Curtain rod formed from a thin sheet of metal : de en
  • DE727524C - Switching of electric fan motors, especially for diesel-electric vehicles : de en
  • CA408421A - Yarn separator : en fr
  • SE105845C1 - : en
  • GB549034A - Improvements relating to feed water heaters : en
  • GB549104A - Improvements in electric torches : en
  • US2300480A - Folding derrick base : en
  • US2301030A - Dyeing apparatus : en
  • GB549083A - Improvements in detachable cantilever bracket structures : en
  • FR876270A - Lick oscillation circuit capable of being tuned for waves of the order of one decimeter : en fr
  • FR876316A - Automatic Gravity Handling Vegetable and Fruit Dryers : en fr
  • US2300720A - Cushion drive coupling : en
  • DE727472C - Process for restoring the shine of cellulose ester textiles that have become dull under the action of aqueous baths at elevated temperatures : de en
  • US2301005A - Manifold form : en
  • US2300416A - Soap and process for making same : en
  • DE727530C - Switching device for a plurality of resistance welding machines fed with alternating current : de en
  • DE727563C - Splash and splash water protection device for the air inlet openings of electrical machines and devices : de en
  • US2300883A - Method of recovering sodium hydroxide from alkaline wash liquors : en
  • US2301108A - Electrode holder : en
  • US2300900A - Control device : en
  • US2300441A - Method of making athletic balls : en
  • US2300523A - Lamp structure : en
  • FR876422A - Soap substitutes : en fr
  • CA408344A - Internal combustion engine : en fr
  • GB549075A - Improvements in or relating to motor fuels and the manufacture thereof : en
  • US2300779A - Automatic phonograph : en
  • US2300599A - Terpene composition : en
  • US2301020A - Refrigerator construction : en
  • FR876283A - New auxiliary agents for textiles : en fr
  • FR876478A - Electric switch, in particular for <phare-code> lighting of motor vehicles : en fr
  • US2301055A - Grinding wheel sleeve assembly : en
  • DE727540C - Turning device for internal combustion engines : de en
  • GB549022A - Improvements in and relating to electric regulators for dynamo-electric machines : en
  • US2300871A - Adjustable sleeve pattern : en
  • US2300884A - Circuit interrupter : en
  • US2301109A - Process of refining oil : en
  • US2300713A - Paper box machine : en
  • US2300527A - Peripheral flange formation apparatus : en
  • US2300544A - Machine and method for binding books : en
  • US2300550A - Means for preparing printing plates for application to printing cylinders : en
  • US2301100A - Oil grooving machine : en
  • USD134238S - Foldable display container : en
  • US2301165A - Machine for coating pipe : en
  • CA408436A - Collapsible boat : en fr
  • US2301154A - Moving stairway drive shaft alignment : en
  • US2300615A - Dining car construction : en
  • US2300997A - Electric incandescent lamp : en
  • DE727552C - Water column machine : de en
  • US2300476A - Undergarment : en
  • US2301107A - Electrode holder : en
  • US2300511A - Bale tying table : en
  • US2300679A - Spray nozzle : en
  • US2300787A - Stamp : en
  • US2300892A - Liquid cooled lamp : en
  • US2300935A - Rheostatic regulator : en
  • US2301044A - Catalyzed hydrocarbon reaction : en
  • US2300972A - Plate holder : en
  • US2300951A - Telephone system : en
  • CA408345A - Tooth brush receptacle : en fr
  • CA408385A - Rubber curing method : en fr
  • CA408447A - Condensation product manufacture : en fr
  • US2300842A - Louver for slant roofs : en
  • US2301078A - Window sash fastener : en
  • DE727411C - Arc lamp, especially mirror arc lamp for the projection of lenticular films : de en
  • DE727527C - Process for the production of a quartz glass base for electrical discharge vessels : de en
  • FR876380A - Axial compressor with recovery turbine : en fr
  • CA408350A - Meat block resurfacing machine : en fr
  • CA408443A - Railway car end : en fr
  • US2300841A - Control method : en
  • CA408388A - Well treating method : en fr
  • US2300429A - Protective circuit for oscillators : en
  • US2300934A - Grass catcher : en
  • US2300536A - Electrical induction apparatus : en
  • US2300854A - Tubing bottom : en
  • US2301121A - Oil filter : en
  • US2300640A - Refrigerator car structure : en
  • CA408434A - Combined typewriting and computing machine : en fr
  • CA408312A - Gyroscopes : en fr
  • FR876307A - Process for producing nickel coatings on aluminum or aluminum alloy objects : en fr
  • FR876374A - : fr
  • GB549055A - Improvements in or relating to hooks and launching gear for boats such as ships' lifeboats : en
  • US2300985A - Distillation : en
  • US2301102A - Loader : en
  • DE727440C - Screw clamp : de en
  • GB549042A - Improvements in and relating to transmission systems for sensitive instruments : en
  • DE727513C - Hardness tester, in which the impression produced by a penetrator in the test specimen is made visible by means of a microscope attached to the hardness tester : de en
  • US2300616A - Listing machine : en
  • US2300872A - Arc-back protective system : en
  • US2301119A - Stenciling machine : en
  • DE718903C - Mixed light lamp with a mercury pressure lamp in a vacuum jacket, a fluorescent coating and a filament : de en
  • DE727486C - Shaft melting furnace with forehearth : de en
  • FR876486A - Manufacturing process of cement pipes : en fr
  • CA13363S - Muff bed form : en
  • CA408400A - Explosive cartridge : en fr
  • DE727365C - Device for generating speed-dependent control variables for the drive of objects : de en
  • US2300979A - Key holder : en
  • US2300680A - Gold dredger : en
  • DE727642C - Safety ignition device for gas burners : de en
  • US2300508A - Toggle swung lockable hasp : en
  • FR876348A - Linking system forming an articulation axis between a fork and an umbrella branch : en fr
  • FR876410A - Further training in the assembly of dental handpieces : en fr
  • US2300965A - Method for treating mercury mines : en
  • US2301004A - Multifrequency traffic control system : en
  • US2301132A - Ash receiver : en
  • US2300719A - Refrigerator car construction : en
  • US2300939A - Process for refining lead : en
  • USD134272S - Fatherley etal textile fabric or similar article : en
  • US2300427A - Glass melting furnace : en
  • US2300956A - Vending machine : en
  • US2301018A - Lens assembly for industrial safety helmets : en
  • US2301089A - Portable enclosure : en
  • US2301106A - Packaging : en
  • US2300453A - Anthrapyridone dyestuffs : en
  • US2301060A - Oil burner : en
  • AU383341A - Improvements relating to wax emulsions : en
  • DK60303C - Cladding for Grating or Crushing Machines with Balls or similar Crushing Bodies. : da en
  • CA408440A - Bottle dispensing apparatus : en fr
  • FR876467A - Method for manufacturing stockings and socks and improvements made to rectilinear looms with a view to implementing this method : en fr
  • US2300696A - Coin chute : en
  • US2300933A - Locomotive drafting : en
  • US2300497A - Galvanometer : en
  • GB549077A - Improvements in or relating to direct current electric motor control systems : en
  • CA408337A - Wheel member : en fr
  • DK60300C - Procedure for the manufacture of pressed articles. : da en
  • FR876440A - Removable closure of boxes, in particular folding cardboard boxes : en fr
  • FR876384A - Crocodile with elastic contact surface for signal repeater devices on locomotives : en fr
  • FR876395A - Powder for flashlamps and its method of preparation : en fr
  • FR876496A - Sorting, screening, sifting and similar apparatus, particularly applicable as seed sorters : en fr
  • GB548990A - Improved head rest or pillow : en
  • US2300586A - Swing : en
  • USD134259S - Design for, a bracelet link or similar article : en
  • GB549070A - Improved steering device for endless track vehicles : en
  • FR876423A - Safety device for the injection pump of internal combustion engines : en fr
  • GB549086A - Improvements in or relating to machines adapted for pulling fastenings, such as tacks or staples, from shoes : en
  • FR876499A - Method and device for the production of spare parts for artificial teeth, crowns and bridges, as well as for base plates : en fr
  • GB549058A - Improvements in building material comprising protected metal article : en
  • FR876365A - Method and machine for the manufacture of barbed wire : en fr
  • DE727610C - Device for the central introduction of the purge gas into a ring shaft-shaped smoldering furnace : de en
  • GB549091A - Improvement in hat making apparatus and method of operating same : en
  • CA408343A - Book support : en fr
  • US2300592A - Method of improving the adhesion of rubber to cotton : en
  • US2300913A - Insulator bushing : en
  • DE727392C - Knife shaft for wood planing machines : de en
  • GB549128A - Improvements in or relating to weft stop motions for looms : en
  • GB549134A - Improvements in hydraulic mechanism for the operation of tractor-drawn agricultural implements : en
  • DE727470C - Electrical circuit arrangement for bucket chain and bucket wheel excavators as well as stackers etc. : de en
  • FR876265A - Improvements to dyeing fabrics with pigments : en fr
  • DE726428C - Elastic tubular waistband made of knitted fabric : de en
  • DE727557C - Process for the production of pyridine bases from gas water : de en
  • US2300801A - Shovel attachment : en
  • FR876275A - Fully automatic gear shifting for motor vehicles and the like. : en fr
  • FR876300A - Process for the regeneration of vulcanized rubber products by nitrochlorobenzene : en fr
  • FR876396A - New cellulosic products and their manufacturing processes : en fr
  • GB548986A - Improvements relating to braking mechanism : en
  • DE727388C - Production of fuel oils from fermented sludge : de en
  • US2301160A - Modulation system : en
  • US2300641A - Refrigerator car structure : en
  • FR876474A - Wood screws : en fr
  • CA408395A - Electrical surge absorber : en fr
  • DE727645C - Seat suspension, especially on deck chairs : de en
  • FR876315A - Process for purifying gases, in particular distillation gases containing carbon dioxide : en fr
  • GB549132A - Improvements in high-frequency transmission lines : en
  • US2300967A - Lathe : en
  • FR876444A - Furnace for charring wood : en fr
  • US2300916A - Lamp circuit : en
  • AU348441A - Method and apparatus for expressing oil : en
  • US2300575A - Selective supplemental printer : en
  • US2301014A - Shutoff valve : en
  • US2300728A - Method of manufacturing lumber : en
  • US2301091A - Automatic phonograph : en
  • US2301122A - Control for hydraulic mechanism : en
  • USD134261S - Design for a tag ok similar article : en
  • FR876381A - Soaps : en fr
  • DE727577C - Electrical isolating distributor for multi-core cables : de en
  • DE727583C - Skin clipper : de en
  • FR876321A - Ski glued to several blades : en fr
  • FR876402A - Process for covering solid bodies with strips of thermoplastic materials : en fr
  • GB549124A - Improvements in or relating to mechanism for raising and lowering the deck of transport vehicles : en
  • US2300722A - Hydraulic pressure fluid accumulator : en
  • US2301045A - Unit heater : en
  • US2300534A - Knife sharpening mechanism for cutting machines : en
  • US2300954A - Electric step switch : en
  • US2300732A - Arc-welding generator : en
  • FR876311A - Process for making activated carbon hydrophobic by means of water-repellent substances : en fr
  • FR876362A - Amplifier installation : en fr
  • US2301152A - Tractor : en
  • US2300622A - Alternating current generator : en
  • CA408428A - Plastic synthetic rubber composition : en fr
  • DE727217C - Switching device : de en
  • DE727373C - In particular high-speed two-stroke internal combustion engine with flat pistons working with direct current purging : de en
  • FR876268A - Conveyor belt : en fr
  • FR876468A - Improvement of crushers-separators for seed cleaning : en fr
  • GB549032A - Improvements in means for reducing equalising oscillations occurring with multi-pole surges in electrical transformers : en
  • FR876352A - Oleophenolic condensation products and their method of manufacture : en fr
  • FR876498A - Control device for heald frames for looms : en fr
  • GB549099A - Improvements in and relating to web-feeding and manifolding attachments for typewriters and the like : en
  • GB549030A - Improvements in the utilisation of products of combustion for driving power plants and the like : en
  • GB548966A - A method of and apparatus for the manufacture of staybolts : en
  • DE727383C - Multiple optics for dividing the image with time stretchers : de en
  • DE727616C - X-ray system with two or more operating switches, possibly at different workplaces : de en
  • US2300503A - Composite article : en
  • US2300840A - Utility bar : en
  • GB549080A - Improvements in knee protectors, elbow guards and the like : en
  • AU116062B2 - Improvements in or relating to end closures for explosive cartridges : en
  • CA408347A - Fexible coupling : en fr
  • US2300796A - Vehicle wheel truck : en
  • US2300845A - Supporting package and display device : en
  • US2300868A - Electrical switching device : en
  • US2300483A - Pipe union : en
  • US2300907A - Adhesive : en
  • CA408354A - Hydrogen chloride oxidation : en fr
  • JPS4222627B1 - : ja
  • US2300708A - Condenser motor : en
  • US2300784A - Means for assembling building parts : en
  • US2300397A - Shaving device : en
  • AU116055B2 - Improvement in fluid pressure generation : en
  • AU116059B2 - Reciprocating facsimile apparatus : en
  • US2300984A - Table receptacle : en
  • US2301111A - Grinding apparatus : en
  • US2300430A - Method of and apparatus for heating water : en
  • US2300882A - Vacuum tube : en
  • US2300685A - Universal flight instrument : en
  • US2300955A - Process for the production of adipic acid and alkyladipic acids : en
  • DE727515C - Process for basic enamelling of iron objects using the wet enamelling process : de en
  • US2301158A - Scraper : en
  • CA408313A - Vegetation and insect destroying apparatus : en fr
  • CA408399A - Railway bumping post : en fr
  • US2300969A - Production of alkinols : en
  • US2301104A - Cable reel : en
  • USRE22218E - Circuit breaker : en
  • FR876293A - Schmidt optical system comprising a correction element : en fr
  • GB549101A - Improvements relating to nut devices : en
  • DE727507C - Process for using the waste heat contained in exhaust gases to evaporate liquids : de en
  • US2300661A - Carroting solution : en
  • FR876438A - Semi-rigid curler for hair curls : en fr
  • FR876296A - Improvements in manufacturing processes for sulfonamide derivatives : en fr
  • FR876372A - Dry gas meter : en fr
  • FR876257A - Gas generator, acetylene or other, for supplying explosion engines : en fr
  • FR876393A - Hammock-shaped top for chaise longue or similar furniture : en fr
  • US2301092A - Apparatus for spotting strips : en
  • DE727604C - Magazine attachment to automatic firearms : de en
  • US2300664A - Multiplex system : en
  • DE727402C - Process for rearrangement of primary arylaminoglycosides into isosugar amine derivatives : de en
  • US2300922A - Meter circuit protective means : en
  • USD134276S - Design for an automatic telegraph device : en
  • DE727474C - Process for obtaining alkali-free or low-alkali and iron-containing vanadic acid : de en
  • CA408353A - Control device preparing machine : en fr
  • DE727510C - Lighting device for automobile highways : de en
  • US2300889A - Flatwork ironer with selvage smoothing mechanism : en
  • GB549129A - Improvements in and relating to sanitary napkins : en
  • CA408422A - Pyrophoric lighter : en fr
  • US2300543A - Lacing machine : en
  • DE727562C - Device for receiving electrical vibrations : de en
  • GB549093A - Improvements in or relating to razor blade packs : en
  • GB549105A - Automatic control systems for aircraft : en
  • DE727548C - Anti-skid device on skis : de en
  • US2300690A - Continuous bag washing and drying machine : en
  • FR876480A - Chipboard for construction : en fr
  • DE727500C - Drive device for sewing machines with fabric cutting device : de en
  • FR876460A - Book cover imitating binding : en fr
  • GB549011A - A process for the manufacture from brewers' yeast of a vitamin-containing material : en
  • GB549085A - Ultra-short wave antenna system : en
  • DE727380C - Procedure for securing the seams of soldered tin can bodies against tearing open at the edges of the bottom : de en
  • FR876254A - Elastic metal tire wheel : en fr
  • GB549059A - Improvements in building material : en
  • DE727478C - Circuit arrangement for signaling systems : de en
  • GB548967A - Manufacture and use of textile treating materials : en
  • DE727459C - Buoyancy flap : de en
  • US2300598A - Process of producing butene-2-diol-1, 4 and its substitution products : en
  • US2300905A - Door latch : en
  • DE727441C - Device for processing coal, ore or the like by means of low fluidity : de en
  • US2301146A - Steering mechanism : en
  • US2300433A - Ester of hydrogenated polymerized rosin and method of making the same : en
  • FR876417A - Method for controlling electro-inductive annealing or hardening installations and automatic control device for its implementation : en fr
  • FR876421A - Improvements to chimney sweeps for boiler tubular bundles : en fr
  • US2300989A - Hinge construction for cabinets : en
  • US2301019A - Rolling ring work stand : en
  • US2300474A - Welding system : en
  • US2300844A - Spring suspension : en
  • USD134253S - Design fob a htjkbicanei lamp : en
  • DE727586C - Hand-held device for dental treatment that can be connected to an electrical power supply : de en
  • US2301021A - Thermochemical generation of electricity : en
  • DE727461C - Shut-off device for dispensing systems with flow meter : de en
  • US2300648A - Well pump : en
  • US2300839A - Temperature regulating system : en
  • US2300885A - Refrigerating apparatus : en
  • US2300816A - Superheater protecting wall : en
  • US2300975A - Railway truck structure : en
  • DE727455C - Method for determining the surface tension of stressed components that are particularly under static load : de en
  • CA408318A - Ditching apparatus : en fr
  • US2300565A - Submarine detector : en
  • US2300857A - Overload protection for multispeed motors : en
  • US2301059A - Lawn mower : en
  • US2300496A - Wooden window sash : en
  • US2300613A - Street traffic control system : en
  • US2300398A - Pressure plastic applicator : en
  • US2300470A - Treatment of textile and other materials : en
  • US2300609A - Electrical musical instrument : en
  • US2300678A - N, n'-dimethylene-4, 4'-diaminodiphenyl sulphone : en
  • US2300704A - Machine for cleaning packed cans : en
  • US2300590A - Conditioning of drilling muds : en
  • US2300596A - Blade package : en
  • CA408407A - Railway signalling system : en fr
  • US2300505A - Selective system : en
  • US2301153A - Zone heating system : en
  • AU338141A - Reciprocating facsimile apparatus : en
  • CA408319A - Joint : en fr
  • DE727627C - Method and device for combating crust formation in conductive containers such as steam boilers : de en
  • DE727482C - Method for the putty-free fastening of Kloeppeln to hanging insulators : de en
  • US2300716A - Soldering iron : en
  • AU116034B2 - Improvements inthe purification of hydrogen : en
  • DK60297C - Air Renewal Apparatus for Living Room. : da en
  • US2300824A - Means for securing machine parts against relative lateral displacement : en
  • US2301141A - Control apparatus : en
  • US2300617A - Radio receiving set : en
  • US2301145A - Two-way steering control mechanism : en
  • DE727506C - Driving pipe for the production of piles : de en
  • GB549068A - Improvements in vapour and liquid contact apparatus : en
  • CA408445A - Circuit opening and reclosing means : en fr
  • US2300487A - Outlet fitting for electric circuits : en
  • US2300876A - Radio receiving system : en
  • CA408317A - Vehicle stabilizer : en fr
  • CA408361A - Brake : en fr
  • US2300810A - Pressure responsive instrument : en
  • US2300976A - Preparation of methylol compounds of urea or thiourea stable in storage : en
  • US2301000A - Sulphanilyl alkyl guanidine and process for making it : en
  • US2300477A - Roller skate : en
  • US2300561A - Adjustable seat construction : en
  • DE727436C - Control device for moving objects, especially guns : de en
  • DK60305C - Filter container for Dust and Gas Masks. : da en
  • AU338941A - Radio receivers : en
  • US2300923A - Phonograph : en
  • CA408326A - Valved coupling : en fr
  • US2300507A - Lockable loop hasp : en
  • US2300568A - Television system : en
  • US2300996A - Electric oscillation generating circuits : en
  • FR876416A - Speed variator : en fr
  • US2301082A - Tool alloy : en
  • FR876284A - Process for bleaching cotton and cotton articles : en fr
  • FR876354A - Process to prevent oxidation of negative plates in lead-acid batteries : en fr
  • GB548996A - Improvements in dustpans : en
  • US2300644A - Electric waffle iron : en
  • DE727526C - Rotary switch with a disk-shaped star switch : de en
  • DE727623C - Device for spreading carbon dioxide snow from the snow-making room : de en
  • US2300715A - Multicolor proof press : en
  • US2300831A - Electrically operated pump mechanism : en
  • FR876399A - Process for manufacturing nickel oxide starting from nickel sulfide : en fr
  • GB549026A - Improvements in or relating to impact devices for deforming a piece of work or for crushing material : en
  • DE727528C - X-ray tube with focusing coil : de en
  • FR876288A - Machine for making ampoules from glass tubes : en fr
  • GB548983A - Improved method of removing dust from comminuted soap : en
  • FR876409A - Mode of actuation of adjustable objects : en fr
  • DE727533C - Thick-walled wooden tube : de en
  • DE727551C - Doepper : de en
  • US2300737A - Card game apparatus : en
  • US2300869A - Adjustable pay-out reel assembly : en
  • CA408331A - Headlight reflector : en fr
  • GB549020A - Improvements in or relating to flexible couplings or links : en
  • US2300645A - Resinous composition : en
  • US2301038A - Coupling : en
  • US2300950A - Timer : en
  • FR876356A - Panel for construction and thermal insulation : en fr
  • FR876358A - Improvements to vertical retorts for coal carbonization and other similar applications : en fr
  • US2300519A - Piston ring assembly : en
  • DE727521C - Checking the oil content of gases or vapors, especially in refrigeration systems : de en
  • DE727594C - Process for galvanizing : de en
  • DE727419C - Process for heating milk in plate heaters with rotating agitator discs between the heating plates : de en
  • US2300630A - Vertical sliding door construction : en
  • US2300918A - Tailstock for cot applying devices : en
  • AU116065B2 - Improvements in or relating to electric lighting units for industrial, street, or general lighting purposes : en
  • DE727400C - Process for finishing, in particular hydrophobing, textile material : de en
  • DE727631C - Freezer for freezing food : de en
  • US2300533A - Weaving machine : en
  • US2300676A - Nu-(1-carboxyacylaminoethylthiomethyl) derivatives, and the process of producing them : en
  • US2301093A - Mandrel for pipe forging machines : en
  • US2300848A - Air tempering apparatus : en
  • US2301085A - Electric heating unit : en
  • DE727498C - Auxiliary device for pricking boxes : de en
  • FR876289A - Device for determining the volume of gases or liquids in a tank partially filled with liquid and supplemented with gas : en fr
  • FR876322A - Device for treating metal workpieces with delicate surface in a working bath and in a complementary treatment bath following the previous one : en fr
  • DK60292C - Rotating Filter. : da en
  • US2300629A - Hanger for trousers : en
  • US2300753A - Self-unloading truck : en
  • US2300462A - Folding machine : en
  • US2300552A - Nailing mechanism : en
  • US2301047A - Stiffening fabric : en
  • CA408429A - Filter apparatus : en fr
  • FR876272A - Manufacturing process for highly active hydraulic substances, in particular cements : en fr
  • FR876464A - A method of manufacturing Persian stitch rugs applicable to the manufacture of all other knotted, tied or wound rugs and looms for carrying out this process : en fr
  • DE727495C - Threshing machine associated with a straw press : de en
  • US2301162A - Phase-angle shifting means in directional relays : en
  • DE727048C - Device for producing upholstery paper from several smooth paper webs : de en
  • FR876261A - Process for improving the qualities of gas generator gas, or other gases used as fuels : en fr
  • US2300458A - Ethyl cellulose molded article : en
  • US2300423A - Tape dispenser : en
  • US2300729A - Lawn broom : en
  • US2300742A - Measuring and control apparatus : en
  • US2300937A - Building construction : en
  • US2300977A - Two-shaft internal combustion engine : en
  • FR876282A - Trisazo-fluochrome green : en fr
  • FR876418A - Hair waving device and method of manufacture and use : en fr
  • GB549039A - Improvements in or relating to laminated or fabricated structures formed wholly or in part of cellulosic material : en
  • US2300924A - Filter : en
  • US2300558A - Contact alloys : en
  • US2300650A - Spool or bobbin : en
  • US2300610A - Barking drum : en
  • US2300582A - Vehicle lamp : en
  • US2300877A - Process for treating hydrocarbons : en
  • FR876475A - Improvement in the identification of conductors on the connection strips : en fr
  • US2300756A - Control field surface member : en
  • DE727458C - Cleaning device for workpieces u. like : de en
  • USD134239S - Design for, a braiding : en
  • US2300472A - Coloration of artificial materials : en
  • US2300548A - Erecting means for gyroscopes : en
  • DE727541C - To drive a supercharger for vehicle internal combustion engines serving exhaust gas turbine : de en
  • FR876434A - Process for the preparation of high-strength, very fast-hardening concrete, and concrete bodies produced by this process : en fr
  • DE727409C - Belt pulley with centrifugal clutch, in particular for driving the alternator of motor vehicles : de en
  • DE727445C - Process for cleaning vessels, e.g. B. of Faessern : de en
  • CA408379A - Textile material processing : en fr
  • US2300412A - Package and display easel : en
  • US2301148A - Method of producing cork board : en
  • DE727421C - Swiveling landing gear for aircraft : de en
  • GB549072A - Honing safety razor blades : en
  • GB549016A - Improved method of casting metal articles : en
  • GB548988A - Improvements in or relating to hot tops for ingot molds : en
  • US2300436A - Phase modulation : en
  • US2300532A - Dual wheel assembly : en
  • US2301015A - Telephone system : en
  • USD134263S - Design for a combined container cap and eye cuv : en
  • US2300587A - Adhesive : en
  • US2300746A - Clamp : en
  • US2300795A - Distress buoy and the like : en
  • GB549023A - Improvements in and relating to sectional glass-houses and garden frames and lights : en
  • FR876253A - Replacement material for rubber, leather, etc., and its manufacturing process : en fr
  • US2301156A - Ventilation system for portable power tools : en
  • US2300431A - Wheel dressing : en
  • USD134240S - Design foe a braiding : en
  • GB548979A - Improvements in or relating to a combined jack and lifting tackle : en
  • GB549109A - Improvements in and applicable to knitting machines and the production of fabric thereon : en
  • GB548975A - Improvements in or relating to variable transmission gears : en
  • DE727496C - Drum threshing machine : de en
  • US2300806A - Railway signaling system : en
  • DE727491C - Static gravity knife : de en
  • GB549035A - Improvements in or relating to safety valves : en
  • FR876325A - Vacuum cleaning device : en fr
  • GB548994A - Improvements in liquid-cooling radiators : en
  • GB549119A - Improvements relating to manually-operated riveting appliances : en
  • GB549003A - Improvements relating to the production of isobutane and the like hydrocarbons : en
  • DE727559C - Arrangement for modulating or sensing very fast electrical oscillations : de en
  • US2300830A - Automatic drawoff and automatic tensioning device for full-fashioned knitting machines : en
  • US2300873A - Induction motor drive : en
  • DE727634C - Arrangement of levers at railway safety devices : de en
  • DE727568C - Method for fulling textile fabrics : de en
  • GB549089A - A process and apparatus for carburising steel : en
  • GR10000B - METHOD TO IMPROVE THE QUALITY OF DRY ELECTRICAL BATTERIES. : el en
  • DE727576C - Distribution or fuse board : de en
  • US2300710A - Universal flight indicator : en
  • US2300413A - Soap and method of making : en
  • US2300524A - Oscillator : en
  • FR876328A - Ultra Short Wave Shock Grid Multiplier : en fr
  • GB549028A - Earth inductor compass : en
  • FR876350A - Adjuster for counter-rotating air propellers : en fr
  • FR876303A - Fuel meter for airplanes or other applications : en fr
  • AU116060B2 - Radio receivers : en
  • US2300726A - Attachments to crutches : en
  • US2300751A - Manufacture of soap : en
  • US2300510A - Regulating apparatus : en
  • US2300896A - Signal : en
  • AU116032B2 - Improved method and apparatus for preheating and/ or vaporising fuels : en
  • FR876345A - Linings, especially for friction brakes and clutches : en fr
  • US2300657A - Feeder pile control : en
  • US2300850A - Method of making welded clad tubing : en
  • US2301143A - Method of increasing production in the grinding of pigment pastes : en
  • US2300635A - Heel : en
  • US2300549A - Printing machine : en
  • FR876413A - Splitting device of javelles with forked working tools, in particular for suspension or mounting on a tractor : en fr
  • US2300461A - Power driving device for lawn mowers : en
  • US2300880A - Printing ink : en
  • FR876401A - Chemical container : en fr
  • DE727397C - Bergmaennisches blasting process : de en
  • US2300491A - Paperboard box or basket : en
  • US2300776A - Plant propagator : en
  • AU301241A - Improvement in fluid pressure generation : en
  • US2300809A - Glow tube : en
  • US2300893A - Disconnecting contact : en
  • AU437542A - Improvement in display package : en
  • US2300540A - Method for use in attaching soles to shoes : en
  • US2300712A - Overrunning drive for lawn mower cutters : en
  • CA408398A - Valve structure : en fr
  • US2301096A - Valve : en
  • US2300402A - Signaling system : en
  • US2300478A - Clip : en
  • DE727534C - Concentration process : de en
  • US2300482A - Measuring instrument : en
  • GB549113A - Improvements in mechanical feeders for threshing machines : en
  • US2301002A - Derivatives of metal complex compounds of sulphurized phenols : en
  • US2300539A - Electric discharge apparatus : en
  • DE727590C - Production of soft rubber-like hoses, plates, rods and Like. Made of polyvinyl chloride : de en
  • US2300998A - Aromatic nitrogen-containing hydroxy compounds : en
  • US2300981A - skolas : en
  • US2301157A - Curling appliance : en
  • DE727644C - Ball bearings for the seat of swivel chairs : de en
  • GB549017A - Improvements in or relating to the crepe twisting of yarns : en
  • DE727584C - Method and device for removing the seeds from bast fiber stalks, in particular flax stalks : de en
  • DE727619C - Process for plating magnesium and magnesium alloys : de en
  • CA408406A - Piston stroke adjusting means : en fr
  • CA408448A - Photographic emulsion layer : en fr
  • US2300863A - Delivery apparatus : en
  • US2300698A - Pattern controlled operation and apparatus : en
  • US2300932A - Air and water control mechanism : en
  • CA408414A - Slide fastener element moulding machine : en fr
  • DE727444C - Ring float for lute tubs : de en
  • US2300971A - Catalytic dehydrogenation process : en
  • DE727442C - Pocket for pants and skirts : de en
  • US2300588A - Dibenzyl cyanamide as an insecticide : en
  • AU116039B2 - Photographic emulsions : en
  • AU116066B2 - Improvements in valve operated variable reactors : en
  • CA408372A - Photographic gelatine layer : en fr
  • DE727416C - Machine tool, in particular lathe or parting machine, with a setting device influencing the control device for the speed to keep the cutting speed constant : de en
  • CA408371A - Photographic gelatine layer : en fr
  • US2300414A - Container : en
  • US2300862A - Apparatus for manufacturing hollow glass articles : en
  • AU318241A - Machines for winding electric coils : en
  • US2300699A - Ice-cutting machine : en
  • DE727558C - Saving image catcher tubes with cathode ray scanning : de en
  • US2300593A - Radio guiding system : en
  • US2301035A - Lens blocking device : en
  • DE727581C - Aqueous leather covering paints : de en
  • FR876320A - Cross-thread winder with constant linear winding speed for unwinding delicate threads : en fr
  • DE727410C - Transformer with a radially or involute laminated column : de en
  • US2301070A - Toaster : en
  • AU116038B2 - Improved motor and compressor assemblage for electric refrigerators : en
  • US2300962A - Method and apparatus for heating buildings : en
  • USD134274S - Design fob a hat : en
  • DE727427C - Drying device for long noodles : de en
  • CA408411A - Scraper cable arrangement : en fr
  • CA408316A - Rail flaw detecting apparatus : en fr
  • CA408373A - Photographic gelatine layer : en fr
  • US2300909A - Reciprocating shower : en
  • US2300920A - Interpolymers of vinyl sulphonic acid with another vinyl compound and aqueous emulsions thereof : en
  • DE727415C - Spring-loaded safety valve : de en
  • US2300639A - Typewriter fastener : en
  • US2300682A - Highway beam distributor : en
  • US2300817A - Formation of polymers from mixed olefins and iso-olefins : en
  • US2300901A - Thermal overload relay : en
  • US2300919A - Paint striping apparatus : en
  • DE727554C - windmill : de en
  • US2301046A - Clothes washer : en
  • US2300908A - Reciprocating doctor for papermaking and allied machines : en
  • CA408359A - Radiometeorography : en fr
  • US2300781A - Sheet work support : en
  • US2300517A - Method of manufacturing shielding conduit assemblies : en
  • US2300782A - Heat exchange coil : en
  • US2300836A - Clutch mechanism for lead carrier of magazine pencils : en
  • DE727428C - Bucket chain catcher for excavators, spreaders or the like. : de en
  • AU332341A - Improved method and apparatus for preheating and/ or vaporising fuels : en
  • US2300677A - Nu-(1-carboxy-1-acylaminoethyl thiomethyl) and n, n'-bis-(1-carboxy-1-acylaminoethylthiomethyl) derivatives of 4, 4'-diaminodiphenyl sulphone, their salts, and the method of producing them and their salts : en
  • US2300494A - Apparatus for the extraction of juice from citrus fruits : en
  • DE727362C - Paving block : de en
  • FR876382A - Device for counter-rotating the shaft of winding cylinders in straight hosiery looms with picking : en fr
  • GB549044A - Improvements in apparatus for effecting high vacuum short path distillation : en
  • US2300460A - Garment : en
  • US2300938A - Vacuum cleaner : en
  • US2301159A - Treating textile fibers : en
  • US2300757A - Railway signal control and indication apparatus : en
  • US2300651A - Process for the purification of pectin : en
  • CA408389A - Earth or rock formation treating method : en fr
  • CA408425A - Cumulative register for thermal demand meter : en fr
  • US2301010A - Die for cutting and imprinting sheet material : en
  • USD134269S - Design for a calendar : en
  • AU116050B2 - Improvements in or relating to semi-indirect lighting fittings : en
  • US2301058A - Licker grinder : en
  • CA408330A - Folding clothes rack and ironing board : en fr
  • DE727593C - Chainwheel change gear : de en
  • FR876477A - Improvements to wooden soles for shoes and to shoes incorporating such soles : en fr
  • GB549123A - Improvements in or relating to the control of hydraulic or other fluid-pressure operated presses : en
  • CA408320A - Cigarette making device : en fr
  • US2301029A - Device for suspending garments : en
  • CA408351A - Step ladder and ladder : en fr
  • US2300557A - Vehicle spring suspension : en
  • AU116036B2 - Improvements relating to wax emulsions : en
  • AU134607B2 - Improvements in or relating to electron discharge devices employing hollow resonators : en
  • CA408444A - Railway car end : en fr
  • US2300564A - Process of purifying water and composition therefor : en
  • US2300681A - Resilient insert : en
  • DE727492C - Driver's seat with swiveling seat support, especially for tractors and agricultural machines : de en
  • CA408324A - Straw packaging method : en fr
  • CA408338A - Wheel cover : en fr
  • GB549088A - Improvements in carpet sweepers : en
  • FR876256A - Level controller : en fr
  • US2300623A - Index : en
  • CA408439A - Engine fuel carburetting device : en fr
  • DE727598C - Movable weapon storage for aircraft : de en
  • USD134267S - Design for a game board : en
  • FR876457A - Improvements to gasifiers : en fr
  • FR876314A - Centrifugal impeller intended to discharge and mix two liquids or two different gases : en fr
  • GB549053A - Improved tampon applicator : en
  • US2301051A - Fire extinguisher : en
  • FR876313A - Process for producing a composite panel and panel manufactured by this process : en fr
  • DE727574C - Galvanic plate element with air depolarization, especially for dry batteries : de en
  • US2300852A - Liquid vapor separating device : en
  • US2300747A - Steam engine : en
  • US2300514A - Dial attaching device : en
  • US2300626A - Power amplifier : en
  • CA408431A - Printing telegraph apparatus : en fr
  • FR876500A - Loading mechanism for drying rods for pasta presses : en fr
  • GB549064A - Improvements in and relating to coin-operated ticket machines : en
  • US2300485A - Panel setting device : en
  • US2300912A - Respiratory device : en
  • USRE22217E - Dichloroalktxi ethers : en
  • USD134254S - Houston electric time switch : en
  • GB549098A - Improvements in street lighting devices : en
  • FR876269A - Chimney vacuum : en fr
  • FR876482A - Gasifier upgrading with charcoal dust and charcoal grain : en fr
  • FR876487A - Switch with snap-action opening and closing contacts : en fr
  • GB549038A - Hydrokinetic thrust bearings : en
  • CA408393A - Automobile frost shield : en fr
  • US2301061A - Tank construction and the like : en
  • US2300515A - Electron tube regulator : en
  • US2300760A - Molding of articles by reinforced synthetic resins : en
  • DE727376C - Liquid fuel gas turbine : de en
  • DE727430C - Circuit arrangement for telephone systems with main and sub-offices : de en
  • CA408378A - Cowling and engine housing : en fr
  • US2300973A - Compressor : en
  • US2300392A - Screw driver : en
  • DE727599C - Hot rope hook for bomb loading devices on aircraft : de en
  • FR876390A - Process for producing condensation products from dicarbamide esters of glycols and their homologues and from formaldehyde : en fr
  • CA408352A - Air conditioning system : en fr
  • CA408349A - Clutch plate : en fr
  • US2300438A - Well packer : en
  • US2300518A - Anchored piston ring assembly and piston ring anchoring device : en
  • US2300468A - Down-draft regulator : en
  • GB549136A - Improvements in or relating to flash-light lamps : en
  • FR876326A - Automatic shut-off valve : en fr
  • DE727626C - Process for the production of cyclohexanol in addition to cyclohexanone : de en
  • FR876445A - Razor blade sharpening device : en fr
  • GB549009A - Improved stone for building and decorative purposes : en
  • FR876302A - Manufacturing process of insulating lamellas for parts of electrical machines : en fr
  • US2301090A - Radio tuning mechanism : en
  • CA408315A - Barium sulphate manufacture : en fr
  • DE727360C - Format setting device on the line transfer slide of a die setting and line casting machine : de en
  • US2300727A - Juradiation of seeds : en
  • US2300835A - Seal for valve stems : en
  • CA408380A - Textile material processing : en fr
  • US2300627A - Method of preparing storage battery plates : en
  • US2300988A - Motor control system : en
  • US2300486A - Coal gas stoning range : en
  • US2300603A - Coin handling mechanism : en
  • US2300968A - Oil gasifier and burner : en
  • DE727387C - Process for dyeing cellulose esters and ethers : de en
  • DE727447C - Method of operating light beam scanners : de en
  • FR876392A - Circular knitting machine with ribbing for guilloche designs : en fr
  • GB549127A - Improvements relating to mechanism for gauging and sorting articles according to size : en
  • DE727488C - Protection device for chain milling cutter : de en
  • GB549117A - Improvements in or relating to agricultural ploughs : en
  • US2300930A - Mineral wool : en
  • US2301095A - Hinge and method of making parts therefor : en
  • FR876371A - Tie with a small pocket : en fr
  • FR876485A - Elastic or non-elastic fluid rotary motor can also be used as a pump or compressor : en fr
  • FR876394A - Articulated joint for the ends, which face each other, of the three parts of the side members of a folding frame for a lounge chair fitted with a flexible top forming a hammock : en fr
  • FR876472A - Installation for the manufacture of gingerbread pavers or other blocks or food pâtés : en fr
  • AU116040B2 - Photographic emulsions : en
  • DE727622C - Fire lighter : de en
  • US2300545A - Venetian blind : en
  • US2300819A - Machine for cutting cakes of ice into small blocks : en
  • US2300856A - Backwater control for sewers : en
  • GB549033A - Improvements in stressed-skin structures for aircraft : en
  • US2301008A - Temperature conditioning apparatus : en
  • FR876274A - Improvements to combustion engine starters : en fr
  • US2300529A - Refrigerator : en
  • USD134264S - Door chime or similar article : en
  • CA408335A - Vehicle wheel : en fr
  • CA408370A - Brush bristling machine : en fr
  • CA408426A - Signal system fault indicating means : en fr
  • FR876493A - Crusher-screen-vacuum cleaner-scrubber : en fr
  • US2300927A - Time limit contactor : en
  • FR876373A - A process for preparing triacetone-diol and 2. 6-dimethyl-heptane-2. 4.6-triol : en fr
  • US2300769A - Solid perfume : en
  • US2300902A - Merchandise display apparatus : en
  • USD134257S - Design fob a coat ob similar article : en
  • US2301036A - Bicycle : en
  • FR876461A - Hydrogen generator for automobile car : en fr
  • US2300405A - Portable oven : en
  • US2300890A - Selvage-smoothing means for flatwork ironers : en
  • FR876277A - Centrifugal coupling for automatically engaging the first stage of a gear shifting with the engine of a motor vehicle : en fr
  • US2300569A - Controlling device for wrapping machines : en
  • US2300797A - Garment hanger : en
  • FR876442A - Process for the preparation of finely crystallized sodium metasilicate hydrates : en fr
  • US2300498A - Inflation valve : en
  • US2300426A - Glass melting furnace : en
  • US2300991A - Electrical apparatus : en
  • DE727509C - Central network simulation circuit to determine whether switches in electrical energy distribution networks may be operated : de en
  • FR876308A - Device for guiding the film of cinematographic devices not comprising anterior and posterior winding rollers : en fr
  • DE727591C - Booking machine controlled by punch cards with two balancing units : de en
  • FR876364A - Gate valve with sliding wedge mounted wedge : en fr
  • FR876424A - Inhaler : en fr
  • CA408413A - Ground ripper : en fr
  • US2300697A - Refrigerating apparatus : en
  • US2300400A - Heat corrosion resistant metallic material : en
  • AU410140A - Improvements in or relating to end closures for explosive cartridges : en
  • US2300538A - Electric discharge apparatus : en
  • US2300683A - Firebrick : en
  • US2300949A - Inking roller for printing presses : en
  • FR876337A - Frame for so-called pocket lamps : en fr
  • FR876388A - Process for the preparation of crystallized sodium d-pantothenate : en fr
  • CA408334A - Exhaust fan : en fr
  • GB548978A - Improvements relating to fluorescent electric discharge lamps : en