• GB399409A - Improvements in and relating to regenerators : en
  • DE585492C - Straehnhalter : de en
  • US1928615A - Car roof : en
  • GB399271A - Improvements relating to fluid pressure-operated systems for operating windscreen cleaners or other vehicle accessories : en
  • US1928837A - Hose coupler : en
  • US1929001A - Wrapping machine : en
  • FR753146A - Gear change especially for bicycles : en fr
  • US1929151A - Fish lure : en
  • DE584955C - Recording device for conveyor (shaft) systems, in which the recording of the signals on the speed diagram takes place differently according to the type of signal and place of origin : de en
  • GB399410A - Improvements in or relating to packing cases : en
  • DE585029C - Device for the production of patterns and their assembly to guilloches for securities or the like by photographic contact copying : de en
  • DE585136C - Arrangement for controlling devices on the route through the moving conveyor container in pneumatic tube systems or similar systems : de en
  • US1928818A - Clamping device for tapered propeller blades : en
  • US1928846A - Switch mechanism : en
  • US1928870A - Valve operating mechanism : en
  • US1928932A - Nonslip device for vehicle wheels : en
  • CA336097A - Lighting unit : en fr
  • US1928752A - Elevator control system : en
  • US1928943A - Mattress protector : en
  • DE585354C - Firing system for the simultaneous combustion of gaseous fuels in gas burners and solid fuels on a stationary grate, especially for flame tube boilers : de en
  • DE585385C - Gripper drive : de en
  • DE585446C - Process for the production of adhesives from rubber by heating with strong acids : de en
  • DE585440C - Traveling grate : de en
  • FR753123A - Automotive : en fr
  • DE585738C - Process for the digestion of monazite sand : de en
  • GB399343A - Bottle for scent or other similar uses : en
  • DE585320C - membrane : de en
  • US1928983A - Photographic camera : en
  • US1929333A - Sprinkler head : en
  • US1928709A - Multicolor film and method : en
  • FR752882A - Device for typing in several copies without the interposition of carbon sheets : en fr
  • DE585510C - Extraction device for drilling dust : de en
  • FR752862A - Device for presenting boxes containing rice powder, make-up or other perfume articles : en fr
  • FR752953A - Stonework refinements : en fr
  • FR753112A - Regulator for heating device : en fr
  • GB399810A - Improvements in shuttle checking mechanism for looms : en
  • US1929146A - Chute rake and ordering device : en
  • CA336085A - Railway tank car : en fr
  • FR753114A - Device for guiding, braking, clamping and severing ribbons of paper or other similar material : en fr
  • GB399211A - Process for the manufacture of new condensation products from natural resins : en
  • GB399824A - Improvements in dolls, toy animals and the like : en
  • FR752880A - Device for fixing a bell on a spool support rotating at high speed : en fr
  • GB399303A - Improvements in coin-freed vending machines and the like : en
  • FR752983A - Drip-proof sealing cap : en fr
  • DE585683C - Device for embroidering fabrics with thread loops : de en
  • FR753082A - Washing machine : en fr
  • US1928988A - Method of treating rubber surfaces and product produced thereby : en
  • GB399374A - Improvements in or relating to soldering-irons : en
  • DE585288C - Wax candle with cavities and process for their manufacture : de en
  • DE585313C - Braking device for motor vehicles : de en
  • GB399534A - Improvements in the production of crepe yarns and fabrics : en
  • US1928899A - Photo-engraving process : en
  • US1929134A - Centering device : en
  • GB399210A - Improvements in or relating to pipe and/or tube coverings : en
  • GB399411A - Improvements in or relating to piston rods for liquid-cooled pistons : en
  • FR752926A - Method and device for finishing objects in fused silica : en fr
  • CA336066A - Supplemental boiler heating unit : en fr
  • DE585528C - Process for the preparation of 1,4-diamino-2-aryloxyanthraquinone-3-sulfonic acids : de en
  • DE585374C - Mercury thermometer with a colored strip laid parallel to the hole in the thermometer tube : de en
  • GB399463A - Process for the manufacture of derivatives of 4-pyridone halogenated in the 3-and/or5-position : en
  • US1929367A - Recording measuring instruments : en
  • CA336111A - Printing machine : en fr
  • DE585393C - Process for initiating explosives by thermal means : de en
  • DE585502C - Process for the production of ammonium sulphate : de en
  • FR752997A - Advanced lighting of automobile headlights : en fr
  • FR753092A - Precise measuring device of the human body designed for tailor : en fr
  • DE585384C - Device for driving and pressing the edges of round vessels made of paper, cardboard or the like. : de en
  • USD90795S - Design for a memorial plate marker : en
  • GB399459A - Improvements in clasps for suspenders for stockings, socks and the like : en
  • DE585479C - Frames for motor vehicles : de en
  • US1928841A - Method of and means fob attaching : en
  • DK47841C - Device for slag vault plates. : da en
  • FR752967A - Improvement in processes and devices for manufacturing by fusion of hollow objects in refractory materials : en fr
  • GB399222A - Apparatus for attaching metal strip to sheets of wood, composition boarding, or the like : en
  • IS73B6 - Method for the production of hailstones : en is
  • FR752864A - Improvements to so-called pick-up "electromagnetic readers" devices : en fr
  • GB399278A - Improvements in and relating to electric starting motors : en
  • DE585647C - A toy that mimics drinking : de en
  • US1929278A - Embroidery-hoop holder : en
  • DE585488C - meat grinder : de en
  • GB399406A - Automatic feed welding and fusion cutting machine : en
  • US1928982A - Nut lock : en
  • US1929178A - Electric convection heater : en
  • US1929311A - Key operated switch : en
  • FR752876A - Multipurpose vegetable oil extracted from the seeds of "silybium marianum" and new industrial by-products derived from this extraction : en fr
  • FR753058A - Front suspension with independent wheels for motor vehicles : en fr
  • FR753110A - Improvements to valves for steam ironing machines or presses : en fr
  • US1929186A - Rotary air transmission : en
  • USRE18964E - Means and method for scoring ice : en
  • US1928644A - Drift measuring and recording apparatus : en
  • US1928661A - Motion picture projector attachment : en
  • US1929310A - Closure means or cap for pumps : en
  • CA336101A - Blasting machine : en fr
  • DE585373C - Dosing scales : de en
  • FR752987A - Closing device, particularly applicable to the closing of rolling vehicle panels : en fr
  • FR753064A - Improvement in handwheel-operated fire hydrants : en fr
  • GB399301A - A device for the localized production of a greater loop length in flat hosiery frames : en
  • US1929138A - Time switch : en
  • DE585534C - Method and device for heating and cooling flowing liquids : de en
  • FR753097A - Production of dilute acids : en fr
  • DE585305C - Centrifugal friction clutch : de en
  • DE585667C - Process for the production of levorotatory aminopropanols : de en
  • CA336139A - Hydraulic metal drawing press : en fr
  • US1928728A - Open drainage leaching process : en
  • US1928869A - Process for manufacturing upsilon-type belts : en
  • DE553009C - Dishwasher : de en
  • DE585316C - Control device for watercraft and aircraft : de en
  • US1928767A - Latch : en
  • DE585629C - Measuring drum for screw micrometer : de en
  • DE585307C - Articulated pipe connection, especially for grease guns : de en
  • DE585662C - Capsule feed device for bottle closing machines or the like. : de en
  • DE585310C - Machine for grinding tooth flanks using the hobbing process : de en
  • DE585413C - Bucket wheel excavator for deep cutting : de en
  • FR753027A - Liquid coating or plaster compositions : en fr
  • FR753129A - High pressure boiler with large heating surface, especially for locomotives : en fr
  • DE585400C - Method for starting cascades from an asynchronous machine, which is connected to the mains via a starting transformer, and a three-phase collector machine : de en
  • DE585721C - Folding box with the handle forming the closure : de en
  • US1929393A - Method of and apparatus for blocking hats : en
  • US1929093A - Ash quencher : en
  • GB399308A - Improvements in steam generators and desuperheaters : en
  • US1928845A - Cutting attachment for sewing machines : en
  • US1929145A - Manufacture of pulp from colored rags : en
  • US1929179A - Sewage disposal : en
  • US1929358A - Baking process : en
  • CA336154A - Fuel briquette : en fr
  • US1928836A - Hose coupler : en
  • US1929247A - Syringe equipment and apparatus : en
  • DE585355C - Downward combustion gas generator : de en
  • FR752944A - Process for increasing the workability of concretes, concretes obtained by this process and new industrial products for the application of the latter : en fr
  • GB399398A - Arrangement for generating high-frequency potentials of straight line wave form : en
  • CA336102A - Organic compound : en fr
  • US1929017A - Apparatus for cleaning air and conditioning fuel mixtures : en
  • DE556411C - One-piece wooden casing frame for double box windows in cross section : de en
  • DE585676C - Dynamo-electric clutch : de en
  • US1928681A - Speed adjusting device for polyphase : en
  • FR753118A - Electrical outlet with servo switch : en fr
  • FR753094A - Device to stop flashbacks in internal combustion engines : en fr
  • CA336068A - Ore sintering machine : en fr
  • US1929348A - Spray gun : en
  • DE585595C - Device for introducing gases into flowing liquids : de en
  • AU994732A - Improvements relating to golf-tees : en
  • DE585344C - Arrangement for regulating the voltage of the power delivered by several transformers working in parallel : de en
  • DE585511C - Roll stand with direct drive of the rolls by an electric motor each : de en
  • US1929199A - Reading machine : en
  • AU1014632A - Improvements in sedimentation apparatus : en
  • US1929224A - Restarting controller for shuttle changing looms : en
  • FR752910A - New means of controlling a luminous flux and applications : en fr
  • FR752930A - New pavement coating process : en fr
  • FR752875A - Method and device for automatic fuel change for mixed fueling of engines : en fr
  • FR753000A - Improvements to rapid emptying of tanks on aircraft : en fr
  • US1929236A - Ring mounting : en
  • DE585572C - Holder provided with spindle guide grooves for the take-up spools of twisting machines driven by a distribution roller : de en
  • CA336192A - Fluid controlling means : en fr
  • GB399358A - Improved coverings for walls or other like surfaces : en
  • GB399404A - Improvements in mechanism for trimming and forming the partially formed ends of cigar bunches : en
  • DE585685C - Device for X-ray exposures with a secondary beam diaphragm which can be slid on an optionally tiltable support wall or bearing : de en
  • GB399329A - Improvements in four stroke cycle compound internal-combustion engines : en
  • GB399794A - Improvements in or relating to portable vacuum cleaners : en
  • DE585389C - Flexible universal joint coupling, especially for motor vehicles : de en
  • DE585414C - Auxiliary device for strip rolling mills : de en
  • DE585553C - Filling tap, especially for filling acids, alkalis, etc. : de en
  • US1928756A - Spindle guide bracket : en
  • FR753028A - Device for measuring the hardness of materials : en fr
  • AU1111533A - Improvements in and relating to combined pulsators and releasers for milking machines : en
  • CA336194A - Weighing apparatus : en fr
  • GB399304A - Method of manufacturing sheets of paper, paste board and the like covered on both sides with metal foil : en
  • US1929104A - Mounting for v-8 engines : en
  • US1929280A - Composite pile : en
  • US1928939A - Chair : en
  • US1929229A - Paper bag : en
  • FR753088A - Coupling arrangement for news traffic by means of a carrier frequency on high voltage lines : en fr
  • DE585531C - Process for producing water gas in a layer of fine-grain fuel : de en
  • DK47831C - Variable Capacitor. : da en
  • GB399347A - Improvements in or relating to shutters, doors and the like : en
  • CA336163A - Refrigerator gasket : en fr
  • US1928898A - Liquid hydrocarbon burner : en
  • US1929141A - Talking apparatus to be connected : en
  • US1929221A - Antidrip bottle : en
  • US1929298A - Means for and method of counteracting headlight glare : en
  • DE585335C - Mold for die setting and line casting machines : de en
  • FR753090A - Product forming an artificial double of a body for the emission and reception of radiation from this body and various applications of this product : en fr
  • GB399256A - Improvements in or relating to wire spoke wheel building : en
  • CA336106A - Traffic control system : en fr
  • FR753134A - Starter : en fr
  • US1929139A - Transparent nonbreakable cover : en
  • USD90801S - Design for an alphabet for forming : en
  • US1929016A - Revolving beacon clutch mechanism : en
  • FR753091A - Improvements made to molds for the production by centrifugal force of cylindrical hollow bodies : en fr
  • US1928834A - Spring shackle repair means : en
  • US1929111A - Automobile head lamp : en
  • DE585520C - Device for compacting concrete u. Like. By vibrations, especially for road construction : de en
  • US1928987A - Bottle cap : en
  • US1929192A - Treatment of filaments, yarns, or threads : en
  • US1929369A - Electrical discharge device : en
  • USRE18962E - Bag coupling : en
  • US1929069A - Method of reducing gases containing carbon dioxide : en
  • US1929196A - Reduction drive for engines : en
  • US1929255A - Airplane : en
  • US1928785A - Ticket issuing machine : en
  • US1928819A - Animal stall : en
  • US1929357A - Battery paste extender and process of making same : en
  • FR752879A - Acid soap and process for its manufacture : en fr
  • FR753003A - Cleaning brush : en fr
  • DE585493C - Bowling alley with stone ball track : de en
  • DE585621C - Round building that can be dismantled from individual sheet metal segments : de en
  • US1929004A - Excavator : en
  • US1928916A - Plug coupling for use in combination with electric switches : en
  • US1929169A - Brake lock : en
  • US1929399A - Medium for separating oil-water emulsions : en
  • AU953732A - Fastener for bags or similar containers : en
  • GB399239A - Improvements in and relating to pistons for internal combustion engines : en
  • GB399425A - Improvements in mincing machines : en
  • GB399541A - Improvements in temperature indicating and recording : en
  • DE585730C - Oven with a throat like a knee-tube : de en
  • US1928905A - Tank roof : en
  • US1928973A - Automatic singeing machine : en
  • US1929366A - Decorative article : en
  • US1928984A - Power apparatus : en
  • US1928705A - Electric sign : en
  • US1929062A - Facial pad : en
  • US1929078A - Key or slider for automatic fasteners and the like : en
  • US1928649A - Water heater : en
  • US1928779A - Transmission mechanism : en
  • US1928840A - Manufacture of glutamic acid hydrochloride, betaine acid sulphate, etc. : en
  • DK47830C - Rifle with Light Marking Device. : da en
  • US1928650A - Method of installing sound absorbing material : en
  • US1928696A - Folded bag : en
  • US1928917A - Meat mold : en
  • US1929092A - Two-speed phonograph driving device : en
  • AU935032A - Improvements in plough foot and/or share : en
  • GB399513A - Improvements in or relating to the shank portions of shoe bottoms : en
  • US1929143A - Thermionic cathode lamp and method of operating the same : en
  • US1929059A - Electric fault responsive apparatus : en
  • US1928826A - Leveling and safety device : en
  • US1928635A - Switch : en
  • FI15446A - Exemption of sulphite cellulose from alkali sulphite and hydrogen sulphide : en fi
  • AU936332A - Improvement in stockings and method of knitting same : en
  • DE585580C - Device for the production of artificial stones, especially paving stones and. like : de en
  • CA336098A - Electric discharge tube : en fr
  • GB399431A - A treeing device for renovating ties for personal wear : en
  • US1928940A - Electric switch : en
  • FR752904A - Non-removable buffer device : en fr
  • FR752964A - building element : en fr
  • GB399201A - Improvements in and relating to the manufacture of amines : en
  • DE585495C - Circuit breaker with switch lever for transformers for electric toy trains : de en
  • US1928675A - Pneumatic cushion : en
  • US1929306A - Calking and glazing gun : en
  • AU748832A - Improvements in protective linings for metal pipes : en
  • DE585548C - Inverted U-tube manometer : de en
  • USD90800S - Design for a jig-saw puzzle blank : en
  • CA336114A - Locomotive feed water apparatus : en fr
  • GB399407A - Improvements in and relating to friction devices for washing and cleaning : en
  • CA336180A - Electric accumulator plate : en fr
  • FR753113A - Cathode enhancements : en fr
  • FR753191A - : fr
  • FR752955A - Clip for closing or fixing a lid on all containers, in particular a removable lid on milk jugs : en fr
  • US1928887A - Screen assembly for grinding mills : en
  • DE585392C - Switch for electrical anti-theft devices with working current through a thread stretched in the thief's path : de en
  • DE585474C - Method and tool for the production of slip-lid boxes made of cardboard o. : de en
  • GB399275A - Improvements in and relating to metal vapour rectifiers : en
  • US1928625A - Fuse : en
  • FR752954A - Sprayer for paints and other liquids : en fr
  • FR752956A - Electric feeler with pre-feeler for looms with several shuttles : en fr
  • GB399237A - Improvements in or relating to permanent magnets : en
  • GB399235A - Improvements in or relating to apparatus for dispensing beer or other liquids : en
  • DE585750C - Protective device to prevent unauthorized power consumption from electrical wall sockets : de en
  • DE585584C - Procedure for registering the change in electrical parameters over time in the event of network faults : de en
  • GB399443A - Improvements in or relating to pleated articles : en
  • IS72B6 - Fishing gear for fishing at great depths with loose foot rope : en is
  • GB399796A - Improvements in and relating to the production of steel : en
  • FR752996A - Top casement and bottom casement sliding window : en fr
  • GB399480A - Improvements in and relating to electrical relay mechanisms : en
  • FR753048A - Funnel enhancements : en fr
  • FR752897A - Apparatus for the manufacture of chlorine hydrate : en fr
  • US1928965A - Electric motor unit : en
  • DE585458C - Device to prevent flame flashbacks and to stir the mixture in carburetor machines : de en
  • GB399277A - A new or improved product and process for obtaining same by the treatment of certainwaste material obtainable from coco-nuts and other vegetable products : en
  • GB399417A - Improvements in or relating to triple expansion engines : en
  • US1929252A - Nitrided ferrous article : en
  • DE585659C - Floor milling machine with a swiveling milling tail on a tractor : de en
  • US1928790A - Game table : en
  • US1928890A - Combined chair and ironing board : en
  • CA336095A - Shoe manufacture : en fr
  • FR752924A - Method and installation for the treatment of rails and other rolled bars and resulting products : en fr
  • FR753147A - Box : en fr
  • DE585450C - Device for checking the tooth profiles of involute gears : de en
  • DE585545C - Palladium alloys containing rhodium : de en
  • US1929075A - Control mechanism for circular knitting machines : en
  • US1929156A - Coil winding die : en
  • DE585134C - Arrangement for controlling devices on the route through the moving conveyor container in pneumatic tube systems or similar systems : de en
  • US1928704A - Warp thread drawing-in machine : en
  • US1929292A - Suppressed zero instrument : en
  • CA336155A - Ether packaging method : en fr
  • US1929029A - Apparatus for the production of music : en
  • US1929263A - Baby garment : en
  • FR753136A - Improvement in chamber furnaces for the production of coke or gas : en fr
  • FR753148A - Process for preparing yarns or filaments from aqueous dispersions of rubber or the like, and apparatus for carrying out this process : en fr
  • US1929170A - Vertical type mercury switch : en
  • US1929237A - Synchronized clock system and secondary clock therefor : en
  • DE585620C - Mast base : de en
  • FR752865A - New crane system with horizontal displacement of the boom head pulley and hook : en fr
  • DE585296C - Device for the simultaneous drive of the conveyor piston, the underwind blower and the pusher in underfeed firing systems : de en
  • CA336036A - Stretcher for hosiery dryers : en fr
  • CA336056A - Evaporator : en fr
  • DE585401C - Rotary grate generator : de en
  • DE585431C - Process for the production of graphite-containing cardboard, especially for stereotype : de en
  • AU938632A - Improvements i and comnnected with firut dipping and washing machines : en
  • DE584429C - Electric tone generator : de en
  • DE585663C - Classifying grate (keyword: triple reduction) : de en
  • US1929371A - Hood latch : en
  • CA336105A - Traffic control system : en fr
  • CA336120A - Electrical conductor : en fr
  • DE585532C - Process for the preparation of aqueous solutions of 1-phenyl-2íñ3-dialkyl-4-dialkylamino-pyrazolones with 1-phenyl-2íñ3-dialkylpyrazolone-4-aminomethanesulfonic acid salts and their derivatives : de en
  • DE585577C - Toy balloon attached to a flexible rod : de en
  • DE585361C - Process and lining compound for the production of iron castings in centrifugal chills : de en
  • DE585405C - Process for the production of high-percentage rubber solutions : de en
  • US1929398A - Oiling system : en
  • CA336132A - Electric switch : en fr
  • US1928628A - Soil pipe fitting : en
  • US1929005A - Parachute safety device : en
  • US1929032A - Apparatus for the production of music : en
  • US1929246A - Apparatus for the treatment of gaseous products : en
  • AU933232A - Improvements in or relating to methods of andthe use of compositions in securing together pieces of stock : en
  • US1928821A - Well casing head : en
  • US1928829A - Carburetor : en
  • US1929101A - Grinding machine : en
  • DE585265C - Rotating bottle cap machine : de en
  • US1928713A - Laminated mica : en
  • USD90827S - Design for a vehicle indicator light : en
  • DE585348C - Electric cathode glow lamp : de en
  • US1928948A - Weather strip : en
  • US1929253A - Electrical protective device : en
  • FR752993A - Folding and portable device for limb orthopedics : en fr
  • FR753054A - New Water Insoluble Azo Dyes and Method of Preparation : en fr
  • AU1040932A - An improved pipe coupling : en
  • CA336080A - Workman's apron : en fr
  • US1928958A - Crown block : en
  • CA336124A - Splinterless material : en fr
  • FR752965A - Lightweight wheel with steel tire intended in particular for railcars : en fr
  • US1928787A - Automatically threading loom shuttle : en
  • US1928999A - Furniture seat : en
  • US1929281A - Rethreading die : en
  • CA336079A - Collar stiffener : en fr
  • FR752959A - Flexible joint with limited stroke for balance or lever : en fr
  • US1928884A - Power take-off : en
  • US1928639A - Method of making heat exchangers : en
  • US1928715A - Egg stamp : en
  • US1929003A - Process for preparing proteinases and carboxy-polypeptidases of the pancreas : en
  • US1929123A - Gaseous conduction method and apparatus : en
  • US1928914A - Odorless garbage device : en
  • US1929265A - Internal combustion engine : en
  • CA336172A - Window channel : en fr
  • US1929076A - Striking clock : en
  • US1929048A - Typewriter support : en
  • US1928630A - Brake : en
  • US1929118A - Automatic power coupling and cut-off : en
  • US1928822A - Means for preventing condensation op moisture from flue gases : en
  • US1928825A - Door : en
  • US1928849A - Automatic and semiautomatic telephone plant : en
  • US1928868A - Harvesting machine : en
  • FR752890A - Device for cutting excess metal remaining after various forging operations : en fr
  • DE585549C - Cleaning box for threshing machines : de en
  • US1928937A - Suction cleaner : en
  • GB399350A - Improvements in and relating to the filling and closing of bottles and the like : en
  • FR752979A - elements for the construction of insulating parquet floors : en fr
  • GB399349A - Improvements in coin operated amusement machines : en
  • GB399396A - Mixing valve for gases : en
  • DE585447C - Process for the production of threads, fibers and pipes from aqueous rubber dispersions : de en
  • DE585459C - Pipe flange connection : de en
  • FR752861A - Remote indication transmitter : en fr
  • US1929365A - Heat exchange apparatus : en
  • CA336167A - Positive grid bias : en fr
  • US1928771A - Low-density paris green and process of making the same : en
  • US1928893A - Vaginal and rectal exerciser : en
  • US1928951A - Voltage indicator : en
  • CA336065A - Automobile cushion : en fr
  • US1929034A - End cap for paper cores : en
  • US1929291A - Measuring dispensing apparatus : en
  • CA336063A - Hollow ingot production : en fr
  • US1928664A - Cheese cake process : en
  • US1929219A - Sash ventilator : en
  • US1929392A - Method of treating metal alloys : en
  • FR753034A - Improvements in processes for the manufacture of sound cinematographic films : en fr
  • USD90828S - Design for a shoe : en
  • CA10102S - Ribbon : en
  • US1929165A - Surface covering : en
  • US1929124A - Space current device : en
  • US1929203A - Shielded spark plug : en
  • US1929234A - Carburetor : en
  • CA336156A - Fuse link head : en fr
  • US1929327A - Shooting game : en
  • US1928716A - Typographical composing and distributing machine : en
  • DE585622C - Process for the production of sulphonic acids from synthetic rubber-like compounds : de en
  • GB399274A - Improvements relating to dyestuffs and their application : en
  • CA336166A - Peanut butter : en fr
  • DE585287C - Hanger for electric lighting pendulum : de en
  • US1928638A - Electric switch : en
  • US1928969A - Well survey instrument : en
  • US1929394A - Printed regenerated cellulose and alpha method of producing it : en
  • US1929268A - Automatic reversing mechanism : en
  • GB399535A - Improvements in thermionic valves : en
  • US1929127A - Striping knife : en
  • FR752916A - Improvements to metal covers for vehicle wheels : en fr
  • FR752940A - liquid elevator for supplying fuel to automobile engines, etc. : en fr
  • US1929098A - Hydraulic turbine : en
  • US1928758A - Method and means of color printing : en
  • US1929337A - Lawn mower attachment : en
  • DE585565C - Retractable undercarriage for aircraft : de en
  • US1929154A - Powder spray and injector : en
  • US1929193A - Charge forming device : en
  • GB399246A - Improvements in and relating to signals for indicating lamp failure : en
  • US1928952A - Disk tiller : en
  • US1929275A - Machine for capping fibrous containers : en
  • US1928773A - Vulcanization of rubber : en
  • US1928936A - Portable desk : en
  • US1929051A - Coat shield and material support : en
  • US1929174A - Air brake release valve : en
  • CA336140A - Adhesive : en fr
  • US1929241A - Telemetric system : en
  • US1928643A - Electric heater : en
  • US1929205A - Paper making : en
  • CA336049A - Petroleum cracking device : en fr
  • GB399346A - Improvements in brakes for wheels : en
  • US1929028A - Method and apparatus for the production of music : en
  • CA336158A - Draft rigging : en fr
  • CA336121A - Ratchet wrench : en fr
  • US1929055A - Casing puller and method of pulling alpha casing : en
  • USD90804S - Design for a set of game pieces : en
  • US1928915A - Control device : en
  • US1928616A - Table pad : en
  • FR753142A - steel electrode with casing, for electric arc welding : en fr
  • CA336159A - Electrical control system : en fr
  • US1929256A - Building material : en
  • DE585341C - Radio reception circuit : de en
  • GB399325A - An improved anti-skid device for pneumatic tyres : en
  • DE585760C - Process for the production of synthetic wool : de en
  • GB399240A - Improvements in and relating to voltage regulating systems : en
  • GB400216A - Improvements in or relating to powder boxes, vanity cases and like boxes or cases : en
  • DE585184C - Winch device for oil switch boiler : de en
  • DE585463C - Gear cutting machine working according to the rolling process : de en
  • DE585554C - Swing weightless plansifter : de en
  • US1929304A - Egg marker and dater : en
  • USD90825S - Design for a radiant heater : en
  • FR753021A - Bag sewing machine : en fr
  • GB399337A - Improvements in and relating to shutters or screens for windows and other openings : en
  • US1928896A - Automobile wheel : en
  • US1928824A - Lubricating apparatus : en
  • US1929043A - Gas filled tube : en
  • US1929144A - Cardboard box : en
  • DE585722C - Rotary slide lock for tubes : de en
  • CA336081A - Animal hoof trimming tool : en fr
  • AU892232A - Improved means for use in the testing of the brakes of motor vehicles : en
  • US1928743A - Brake : en
  • US1929135A - Control surface for airplanes : en
  • US1928772A - Hoisting apparatus : en
  • US1929030A - Apparatus for the production of music : en
  • US1929331A - Process for the production of ketones : en
  • CA336044A - Bolt : en fr
  • FR752988A - Forcing frame for growing melons : en fr
  • DE585108C - Airplane with a wing rotor : de en
  • DE585713C - Advertisement projector : de en
  • FR753074A - Rake with stacking device particularly applicable to hay : en fr
  • CA336112A - Mineral oil refining process : en fr
  • AU936532A - Improvements in hair waving and setting devices : en
  • GB399203A - Improvements in multitubular steam boilers water heaters and the like : en
  • GB399457A - Improvements in illuminating signs : en
  • FR752947A - Process for obtaining butter and apparatus for its application : en fr
  • DE585161C - Process for the preparation of urethanes containing carboxyl or sulfonic acid groups : de en
  • DK47832C - Steam generator or Water heater. : da en
  • GB399290A - Improvements relating to coin-freed apparatus for delivering reels of thread and thelike : en
  • GB399402A - Process for the purification of water : en
  • US1929132A - Apparatus for the carbonization of coal, peat, wood, and the like : en
  • DE585432C - Process for cleaning and drying heat exchange apparatus : de en
  • GB399276A - Improvements in and relating to stop motions for weaving looms : en
  • GB399458A - A fire safety device for use with motor vehicles : en
  • CA336075A - Rotary filter : en fr
  • GB399395A - Improvements in or relating to jacquard mechanism controlled knitting machines : en
  • US1928642A - Electric heater, recess type : en
  • US1928910A - Method of forming flanged articles : en
  • FR752963A - : fr
  • CA336096A - Elevator control system : en fr
  • FR753009A - Improvements to talking geodesy sights : en fr
  • US1928850A - Sound recording and reproducing system : en
  • US1928863A - Pen and pencil clip : en
  • FR753132A - Dispensing apparatus for plastic products such as mastic or the like : en fr
  • GB399206A - Process for the manufacture of new conversion products from natural resins and esters thereof : en
  • US1928744A - Battery ignition system : en
  • DE584553C - Process for examining finished technical structures, such as bridges, ships, towers, in their state of use with regard to their dynamic behavior : de en
  • DE585623C - Process for the production of sulphonic acids of rubber : de en
  • US1928648A - Method of making dispersions of insoluble compounds : en
  • US1928747A - Nonferrous alloy : en
  • CA336071A - Ski binding : en fr
  • DE585411C - Process for the production of coatings on photographic and cinematographic films : de en
  • GB399475A - Improvements relating to the reduction of ore : en
  • GB399423A - Improvements in or relating to electro-magnetic rail brakes : en
  • DE585396C - Schraempicke : de en
  • FR752952A - Improvement in devices for supplying electric clocks from the mains : en fr
  • GB399508A - Improvements in cellulosic materials : en
  • DE585128C - Game board with electrical contacts : de en
  • FR752888A - Oar refinements : en fr
  • US1929266A - Carburetor : en
  • FR752981A - Improvements in processes for obtaining gasoline or fuel for engines, from heavier hydrocarbons, by decomposition in the vapor phase : en fr
  • FR753007A - Distribution drawer glass for dry gas meter : en fr
  • FR753128A - Improvements to the coloring of textile materials : en fr
  • FR752928A - Two-speed transmission for use after a gearbox : en fr
  • GB399286A - A light collapsible portable cabin, shed or hut : en
  • DE585453C - Sound recording method : de en
  • DE585546C - Wheel pressure compensator : de en
  • FR753014A - Device for indicating, by means of smoke, the position and course of submerged submarines : en fr
  • GB399251A - Improvements relating to kerb gratings : en
  • DE585274C - Process and device for the continuous distillation of carbonaceous goods : de en
  • DE585424C - Production of magnesium carbonate trihydrate for potash manufacture : de en
  • US1928727A - Method of treating wire : en
  • US1929018A - Transformer assembly for floor lamps and the like : en
  • US1929321A - Chain stitch sewing machine : en
  • US1928723A - Matrix for typographical machines : en
  • US1929015A - Baby garment : en
  • US1928808A - Smoke cleaner for furnaces : en
  • US1928967A - Telegraph apparatus : en
  • US1929112A - Elevator for trucks : en
  • US1929149A - Automobile brake testing device : en
  • US1929103A - Air cleaner : en
  • US1929380A - Seam pressing machine : en
  • FR752998A - Process for increasing the degree of compactness of ceramic materials : en fr
  • FR753033A - Steel tube seat support for tilting school bench seats : en fr
  • IE12734L - Pipe couplings : en
  • US1928924A - Shower bath cabinet : en
  • US1929002A - Process for the manufacture of sodium nitrate and other fertilizing substances : en
  • GB399823A - Method of preserving fruits, vegetables and other organic, especially medicinal substances : en
  • US1928902A - Composite panel joint construction : en
  • CA10100S - Tap washer : en
  • FR753035A - Hard copper and zinc alloys and their manufacturing process : en fr
  • GB399324A - Improved semi-automatic winding machine for producing electrodes for galvanic batteries : en
  • US1928879A - Insert-plug lock : en
  • US1929332A - Drill pull : en
  • CA336084A - Scanning system : en fr
  • US1929022A - Switch mechanism : en
  • CA336127A - Grinding mill : en fr
  • CA336042A - Hydraulic power transmission : en fr
  • CA336108A - Abrasive article : en fr
  • US1928786A - Wire folding and cutting machine : en
  • US1929099A - Hydraulic turbine : en
  • CA336076A - Billiard marker : en fr
  • US1929152A - Fly rod lure : en
  • US1929172A - Art of working clay slips : en
  • FR752905A - : fr
  • GB399312A - Improvements relating to lamps for cycles and other vehicles and the means for mounting them on such machines or vehicles : en
  • US1928622A - Conductor and ground wire support : en
  • US1929153A - Gear shift control : en
  • US1929328A - Water-insoluble azo-dyestuffs and fiber dyed therewith : en
  • US1929339A - Can closing machine : en
  • US1928796A - Liquid dispensing apparatus : en
  • US1929131A - Closet bowl construction : en
  • AU105251B2 - Machine for making sanitary napkins : en
  • CA336070A - Methylene polysulphide plastic : en fr
  • US1928909A - Fire extinguisher : en
  • US1929212A - Induction heating : en
  • US1929395A - Extruding machine : en
  • US1928789A - Machine for holding paper : en
  • US1929297A - Remote control system : en
  • US1928654A - Seam pressing machine : en
  • US1928761A - Outlet receptacle : en
  • US1929217A - Package : en
  • USD90806S - Design for a liquid cooler : en
  • DK47834C - Control horn for automatic railway couplings. : da en
  • GB399369A - Improvements relating to the fuel supply and combustion spaces of direct injection oil engines : en
  • US1929213A - Electrical weft detector for looms : en
  • US1929044A - Process of vulcanizing rubber compounds : en
  • US1929158A - Buckle : en
  • GB399230A - Improvements in or relating to electric current regulating systems : en
  • GB399489A - A coin freed safety razor blade vending machine : en
  • FR752980A - Lighting and heating device : en fr
  • GB399430A - Improvements for the displacement of members for gripping selvedges in tenter framesor other machines for stretching, drying or guiding fabrics : en
  • GB399447A - Improvements in and relating to suckers for lifting or conveying sheets in printing machines and the like : en
  • GB399528A - Anthraquinone derivatives : en
  • FR753031A - Improvements to carpets : en fr
  • GB399352A - New or improved method of aerating beverages, and apparatus therefor : en
  • DE585321C - Switching arrangement for the direct connection of capacitor banks to AC networks, in particular transmission lines : de en
  • DK47822C - Apparatus for the production of foam by mechanical means. : da en
  • FR753096A - Lining for bearings, pulleys and in general for all transmission components : en fr
  • GB399390A - Improvements relating to respiratory apparatus : en
  • DE585246C - Feeding device for material panels for presses, punching machines, drilling machines or the like. : de en
  • DE585507C - Collapsible music stand : de en
  • GB399445A - Improved carrier for baskets, parcels and the like : en
  • US1929189A - Railroad car journal oil : en
  • US1928991A - Folding chair and cot : en
  • US1929133A - Wrench : en
  • US1929108A - Oil pressure regulator : en
  • DE585329C - Screw plug for pressurized liquid container : de en
  • GB399449A - Improvements relating to installations for indicating the presence of suspended matter in fluids : en
  • CA336129A - Distributor and spreader : en fr
  • US1928757A - View camera : en
  • DE585328C - Inlet design for covered, closed or tubular conveyor troughs : de en
  • DE585461C - Fluid transmission : de en
  • GB399455A - Improvements in or relating to vehicle lamp glasses : en
  • US1928931A - Oil cooling means : en
  • US1929175A - Attachment plug : en
  • US1928855A - Throttle brake : en
  • US1929261A - Shuttle tension : en
  • USRE18960E - Best available copy ues m : en
  • IE12661L - Artificial threads, films, etc. : en
  • CA336160A - Electrical switching device : en fr
  • CA336190A - Stabilized amplifier system : en fr
  • US1929137A - Process and apparatus for edging cardboard articles and similar objects : en
  • USD90824S - Design for a doll : en
  • DE585378C - Wire sheath to accommodate the insulation for cylindrical bodies : de en
  • US1928922A - Golf bag and boot and article : en
  • US1928946A - Means for parking self-propelled vehicles : en
  • US1929242A - Lubrication system for heat generating power plants : en
  • CA336137A - Tire tread removing apparatus : en fr
  • DE585347C - Gas-filled electrical discharge tubes, in particular light tubes, with cold, cylindrical, hollow electrodes : de en
  • US1928797A - Continuous flooring for bookstacks : en
  • US1928827A - Filing equipment : en
  • US1929370A - Hood latch : en
  • DE566598C - Process for preparing iron and steel blocks for extrusion : de en
  • DE585282C - Air brake device for railway vehicles : de en
  • US1928989A - Nonfloatable shank and means for securing same in alpha shoe : en
  • CA336142A - Composite ferrous metal article : en fr
  • US1929376A - Reheater : en
  • US1929081A - Seesaw : en
  • CA336048A - Furnace grate : en fr
  • US1928748A - Concrete floor construction : en
  • CA336135A - Railway traffic system : en fr
  • DE585500C - Spring hammer tool : de en
  • FR752937A - Means for fixing, in a support, safety devices or cylinder locks : en fr
  • CA336086A - Electric switch : en fr
  • CA336182A - Starch conversion product : en fr
  • CA336187A - Truck side frame : en fr
  • CA336153A - Liquid dispenser : en fr
  • USD90808S - Design for a hand bag : en
  • DE585670C - Post-influenceable wheel flange shoe brake : de en
  • US1929074A - Ice cream storage cabinet : en
  • USRE18963E - corey r : en
  • US1929095A - Filing and index system : en
  • US1929136A - Display stand : en
  • US1929077A - Deep-well turbine pump : en
  • US1928972A - Cigarette package holder and opener : en
  • US1929013A - Adhesive : en
  • US1929285A - Chuck collet : en
  • US1929350A - Method and apparatus for compressing gases : en
  • US1928736A - Magazine for machines for packing cigarettes and other staff-shaped articles : en
  • FR753060A - Calculating machine or accounting machine : en fr
  • CA336052A - Textile material processing : en fr
  • FR753050A - Housing for electrical devices : en fr
  • GB399365A - A centrifugal ventilator and air cleaner : en
  • GB399434A - Brush with container for liquid soap : en
  • FR752962A - Method and devices for salvage and refloating underwater wrecks : en fr
  • GB399359A - Improvements in or relating to sliver balling or roll-forming machines : en
  • US1928699A - Method of making mineral wool mixture : en
  • DE585645C - Switching device for signal lamps for traffic control : de en
  • GB399313A - Improvements in or relating to variable pitch airscrews : en
  • GB399397A - Improvements relating to refrigerating cycles in which the refrigerant is compressed : en
  • FR753073A - Snow collecting device : en fr
  • DE585428C - Process for the production of benzanthrone : de en
  • US1928614A - Signaling device for vehicle tires : en
  • US1928919A - Universal joint for tie rods and the like : en
  • FR752971A - Trailer improvements : en fr
  • FR752989A - Parasite wave collector for apartment : en fr
  • FR753039A - Improvements to hydraulic brakes : en fr
  • GB399289A - Improvements in recording weighing-scales : en
  • GB399373A - Improvements in or relating to trucks or bogies for railway vehicles : en
  • US1929223A - Door locking arrangement : en
  • USD90818S - Design for an impressed textile : en
  • GB399287A - Improvements relating to machines for mowing lawns and the like : en
  • US1928640A - Container : en
  • DE585331C - Device for the discontinuous production of solid, lumpy semi or whole coke, in particular from poorly baking coal : de en
  • DE585387C - Electric control for compressed air accumulators : de en
  • FR752950A - Bath pillow : en fr
  • GB399356A - Improvements in cellular cushion tyres and in moulds for the production of such tyres : en
  • GB399351A - Improvements relating to the control of electric motors : en
  • GB399370A - Process for the concentration of latex : en
  • GB399260A - Improvements in or relating to furnaces provided with chain grate stokers : en
  • GB399432A - Improvements in and relating to driving units for motor vehicles : en
  • FR752912A - Material more particularly intended for coating the walls of hearing rooms and method for its preparation : en fr
  • GB399421A - Speed-responsive clutches : en
  • CA336143A - Acoustical plaster : en fr
  • DE585481C - Cross bows for sliding roofs of motor vehicles : de en
  • US1929036A - End cap for paper cores : en
  • US1928610A - High frequency signaling system : en
  • US1929362A - Lockable valve for gas burners : en
  • FR753038A - Disodium carbimide and process for making this compound : en fr
  • GB399536A - Improvements in or relating to multiple-compartment boxes : en
  • GB399187A - Improved method of, and apparatus for, selecting gramophone records, or other circular objects, from a cabinet or other place of storage : en
  • GB399381A - Improvements relating to cases or containers for the delivery of cigarettes, cigars and other cylindrical goods : en
  • GB399454A - Improvements in machines for drawing threads from fabrics : en
  • US1928698A - Operating mechanism : en
  • US1928619A - Combination metal and electroluminescent tube display character : en
  • GB399497A - Improvements in the manufacture of pigments : en
  • US1929008A - Corrugated ribbed paper : en
  • US1929073A - Furnace wall : en
  • US1929035A - End cap for paper cores : en
  • GB399202A - Improvements in cases for subscriber's telephones : en
  • FR753037A - Cellulose treatment process : en fr
  • DE585158C - Method and device for cooling briquettes : de en
  • DE585421C - Manufacture of potash : de en
  • DE585448C - Process for the preservation of vulcanized rubber : de en
  • US1929296A - Trousers : en
  • US1928908A - Seed planter : en
  • US1929009A - Sealing device and resilient thrust washer : en
  • USD90810S - Design for a toy balloon : en
  • FR753071A - : fr
  • GB399326A - Recording gas calorimeter : en
  • FR753115A - Improvements to metallic coatings : en fr
  • US1929232A - Mechanism for controlling the operation of centrifugal pumps : en
  • GB399355A - Improvements in weighing-scale base lever systems : en
  • GB399363A - Improvements in and relating to cinematographic target apparatus : en
  • US1928701A - Regulating equipment : en
  • DE585732C - Adjusting device for the rolls of rolling mills : de en
  • US1928947A - Well drilling apparatus : en
  • US1928968A - Process for making an insecticide : en
  • FR752966A - Regulator with drive member acting on a transmission lever, mainly for pressure and temperature adjustment : en fr
  • US1928964A - Knitting machine needle : en
  • CA336181A - Thermostat : en fr
  • FR752884A - Multi-purpose table top adjustable height support device : en fr
  • US1929274A - Abrasive element : en
  • US1929353A - Motion picture projecting apparatus : en
  • US1928732A - Locomotive driver brake indicator : en
  • US1928687A - Railway car heating : en
  • US1928700A - Safety control apparatus for rock drills : en
  • US1928854A - Electrode suspension means : en
  • US1928733A - Progess for manufacturing orthoarylcarboxyamidothioglycollic acids : en
  • CA336196A - Power hammer : en fr
  • US1928627A - Bearing member : en
  • US1928806A - Pillow : en
  • FR753018A - Further training in the production of cast metal parts : en fr
  • US1929318A - Thumb-sucking preventative device : en
  • DE585304C - Automatic weighing and sorting device for eggs : de en
  • DE585399C - Control devices using compressed air or vacuum : de en
  • DE582238C - Method for producing double walls from the wall of pipes by means of axial pressure on the pipe face : de en
  • DE585709C - Device for the production of galvanic coatings by means of a traveling anode : de en
  • FR752960A - Device for the separation of multiple and mixed volatile elements from distillation apparatus : en fr
  • GB399515A - Improvements in or relating to tuning controls for radio apparatus : en
  • GB399792A - Improvements in or relating to the manufacture of aliphatic anhydrides : en
  • US1928725A - Wool dyestuffs of the anthraquinone series and process of making same : en
  • DE585541C - Embedding agent for luminous colors : de en
  • DE585652C - Process for the extraction of valuable hydrocarbons : de en
  • AU986932A - Improvements in snatch and pulley blocks : en
  • CA336099A - Acoustical ceiling : en fr
  • US1928673A - Light reflector : en
  • US1928765A - Method and means for wave measurement : en
  • US1928667A - Spring balanced container lid : en
  • US1928781A - Comminuted shortening : en
  • CA336165A - Rubber printing plate : en fr
  • US1928688A - Oil burner : en
  • CA336110A - Accounting system : en fr
  • US1929033A - End cap for paper cores : en
  • US1929114A - Automatic break web switch and cutter : en
  • CA336119A - Electrical conductor : en fr
  • US1928741A - Rolling mill of the pilgrim-step type for the manufacture of metallic tubes : en
  • DE585422C - Manufacture of potash : de en
  • DE585485C - Locking device for ship hatch cover : de en
  • CA336109A - Abrasive article : en fr
  • CA336197A - Pasteurizing apparatus : en fr
  • US1929007A - Tracing instrument, etc. : en
  • CA336173A - Printing machine : en fr
  • CA336144A - Dipper tooth : en fr
  • US1928901A - Manufacture of confectionery of the gum drop type : en
  • US1929378A - Resynchronizing system for series of motors : en
  • US1928742A - Control means for tuning mechanism of sound reproduction apparatus : en
  • DE585503C - Process for the production of carbon dolls for dry elements : de en
  • CA336171A - Food product : en fr
  • DE585699C - Device for the graphic representation of the product of the amount of a medium and a state variable of the same : de en
  • FR752869A - Filler and pourer neck : en fr
  • CA336174A - Weighing machine : en fr
  • GB399199A - Roller blind or shutter : en
  • GB399266A - Improvements relating to gas regulating devices : en
  • US1928839A - Apparatus for burning liquid fuel : en
  • CA336130A - Petroleum cracking process : en fr
  • US1928801A - Article of furniture : en
  • DE585426C - Manufacture of potash : de en
  • US1929271A - Fuse plug : en
  • US1928867A - Floor covering for automobiles and the like : en
  • DE585648C - Spring drive for toy figures with jumping movement : de en
  • GB399514A - Improvements in or relating to devices for softening water : en
  • CA336034A - Foam producing apparatus : en fr
  • FR753117A - Glove for cleaning and polishing bodywork, furniture and other objects : en fr
  • US1928788A - Manufacture of shower bath receptors : en
  • US1928950A - Tumbling barrel or the like : en
  • US1929082A - Cleaning cover for brooms : en
  • US1929379A - Resynchronizing system for controllers : en
  • CA336045A - Crepe fabric : en fr
  • US1928686A - Regulating system : en
  • US1929088A - Brooder : en
  • DK47842C - Cutting Table for Brick Making. : da en
  • DE585486C - Tank stabilization system for ships : de en
  • DK47825C - Method for producing an adherent homogeneous coating on metal, wood, cardboard, asbestos or other porous or non-porous substances so that they can be prepared for a subsequent decoration. : da en
  • US1928795A - Antifriction leak-preventing means for pumps and motor-pumps : en
  • US1928658A - Splint : en
  • CA336123A - Coin and token testing apparatus : en fr
  • GB399238A - Improvements in or relating to prime movers for aircraft : en
  • GB399261A - Improvements in and relating to alloys containing beryllium and silver : en
  • US1929335A - Paint displaying device : en
  • US1929360A - Projector : en
  • DE585756C - Small stearin and paraffin : de en
  • US1928656A - Combined typewriting and computing machine : en
  • US1928754A - Method of and apparatus for preparing and using fuel in internal combustion engines : en
  • US1928633A - Power unit : en
  • FR753089A - Preparation of 1-methylamino-4-aminoanthraquinone : en fr
  • US1928885A - Pump : en
  • US1928954A - Cultivator : en
  • US1929168A - Rescue tank : en
  • FR753109A - Improvements to television or similar devices : en fr
  • GB399255A - Improvements relating to automatic weighing machines : en
  • CA336073A - Valve : en fr
  • US1928838A - Cloth construction : en
  • US1928979A - Spool and spool holder for threads, such as rayon or artificial silk : en
  • US1928852A - Road machine : en
  • US1928843A - Wrench : en
  • FR752972A - Device for the use of solar thermal energy : en fr
  • GB399364A - Weather strips for windows : en
  • FR753070A - Improvements made to direct current electric motors, especially those used for traction : en fr
  • FR753085A - New billiard game : en fr
  • GB399281A - Improvements in the production of alcohol free from fusel oil : en
  • FR753002A - Method for forming a screen on the surface of electric discharge tubes by metal deposition : en fr
  • FR752883A - Improvements to pressure coffee makers : en fr
  • DE585478C - Steering device for trailer : de en
  • FR753051A - Method and device for simplifying panels and light control units of different colors, in particular for electrical installations : en fr
  • DE585455C - Lid support : de en
  • FR753062A - Copper sulphate manufacturing process : en fr
  • GB399231A - Improvements in and relating to electrical reproducers or pick-ups for gramophones : en
  • GB399405A - Process for the decomposition of gas mixtures with low evaporation point : en
  • US1928693A - Cementing machine : en
  • GB399436A - Apparatus for circulating gases or vapours in tunnel ovens and like plant : en
  • US1928666A - Adjustable antiglare device : en
  • GB399797A - Improvements in or relating to thermionic valves and the like and processes for the manufacture thereof : en
  • DE585343C - Screw slot terminal with several clamping screws for electrical wiring systems : de en
  • DE585345C - Glow oscilloscope tube : de en
  • DE585465C - Device for dressing grinding wheels for the production of involute gears : de en
  • GB399501A - Improvements in the control of several associated machines each having an individualdrive : en
  • FR753121A - Apparatus for vacuum preservation of perishable foodstuffs and their transport : en fr
  • GB399527A - A process for improving oils, especially lubricating oils : en
  • DE585454C - Speech head for recording or scanning speech exchange currents : de en
  • DK47835C - Frequency Selective System. : da en
  • FR752991A - Mechanical traction sprayer : en fr
  • FR753023A - Monazite sand treatment process : en fr
  • US1929086A - Radio telegraph and telephone reception : en
  • US1928848A - Electric arc welding system : en
  • CA336083A - Mine timbering apparatus : en fr
  • US1929176A - System of air conditioning : en
  • DE585315C - Sidecar for bicycles u. like : de en
  • FR752932A - Improvements to pile fabrics : en fr
  • USPP77P - Gladiolus : en
  • GB399218A - Improvements in and relating to systems of electric motor control : en
  • GB399460A - Process for the production of high-grade steel : en
  • FR752990A - Process for the ripening and crusting of soft or firm processed cheeses and resulting products : en fr
  • DE585357C - Stovepipe cleaner : de en
  • GB399223A - Apparatus for actuating or controlling electrically operated machines : en
  • DE585703C - Microscope with an oblique view : de en
  • GB399386A - Improvements in or relating to a combined electric flash light and cigar or other lighter : en
  • DE585375C - Ashtray : de en
  • US1928791A - Chip duster : en
  • US1928794A - System for indicating time : en
  • US1929373A - Process for the production of products having high stability to attrition from rubber materials : en
  • US1929389A - Loose leaf binder : en
  • DE585408C - Control for air motors : de en
  • DE585438C - Compressed gas burner : de en
  • DE585712C - Reflector for electrical light sources to illuminate preferably box letters : de en
  • DE585753C - Electric motor coupled to a tube well pump : de en
  • FR753063A - Device for automatic cleaning of the walls of distribution boxes of ball presses : en fr
  • GB399340A - Improved method of and device for converting sound vibrations into electric variations more particularly for broadcasting purposes : en
  • GB399354A - Improvements in and relating to braided incandescent mantles : en
  • GB399539A - Improvements relating to electric selective remote control systems : en
  • FR753049A - : fr
  • GB399236A - Improvements in and relating to electric regulators : en
  • GB399336A - Device for the sterilization of injection-syringes by means of boiling water and steam : en
  • US1928657A - Electrical socket : en
  • US1929106A - Vibration eliminator : en
  • FR752914A - Advanced scallop device : en fr
  • US1928961A - Tractor : en
  • DE585386C - Holder for photographic plates when drying : de en
  • FR753100A - Device for obtaining constant length lifts on different machines and in particular on spindle beds in cotton spinning : en fr
  • US1928842A - Piston : en
  • US1929249A - Vibratory screen : en
  • USPP78P - berger : en
  • DE585117C - Butt weldable wheel spoke : de en
  • CA336053A - Suspensory : en fr
  • DE585743C - Paper carriage switching device on typewriters : de en
  • US1928776A - Apparatus for controlling the flow rate of liquids : en
  • FR753080A - Manufacturing process for whitening, wetting, spumescent, dispersing and impregnating products : en fr
  • US1929374A - Grounding fitting : en
  • DE584932C - Letter sealing device : de en
  • FR752860A - Device allowing by a simple impression to blush and draw the lips : en fr
  • FR752969A - Apparatus for massage, and in particular for facial massage : en fr
  • GB399399A - Improvements in and relating to matrices for typographical machines : en
  • FR752931A - Hydropneumatic bell perfected for washing clothes : en fr
  • GB399420A - Improvements relating to gas-holders : en
  • US1929052A - Camera : en
  • GB399450A - Improvements in and relating to cutting openers for tins : en
  • FR752895A - Process for making the properties of seawater and resulting products more easily assimilable : en fr
  • FR753065A - Sulfate filter : en fr
  • GB399517A - An improved polish and a method of making such polish : en
  • DE585336C - Cleaning and lubricating device for tram tracks : de en
  • US1928774A - Internal combustion engine : en
  • US1928957A - Swing joint steel hose : en
  • US1929060A - Alternating current power translating or control circuits : en
  • DE585462C - Adjustment device for the workpiece in combined rail drilling and milling machines : de en
  • DE585380C - Locking device with repair lock : de en
  • DE585567C - Change gears built into the axle housing of motor vehicles : de en
  • DE585535C - Device for hardening glass plates or panes : de en
  • DE585537C - Screwless connection of double-walled frame plates for wooden houses that can be dismantled : de en
  • GB399393A - Improvements relating to amplifiers for photo-electric currents : en
  • GB399361A - Improvements in or relating to display or show stands particularly for jewellery andthe like : en
  • GB399538A - Improvements in or relating to printing machines : en
  • US1928620A - Gauge : en
  • US1928671A - Burial vault : en
  • FR752978A - Locking mechanism for handwheels or control levers : en fr
  • US1928853A - Tumbler for combination locks : en
  • DE585692C - Change and reversing gears for wood grinding and polishing machines : de en
  • GB399216A - Improvements in or relating to telephone and like signalling systems : en
  • DE585578C - Method and device for dewatering casting compounds used to manufacture ceramic objects : de en
  • DE585475C - Roll film camera with a film switching device for automatic feed control : de en
  • FR752939A - Glass decoration pattern : en fr
  • FR753012A - Electric heating circuit device : en fr
  • GB399257A - Improvements in or in connection with apparatus for heating and keeping food hot : en
  • DE585417C - Machine for grinding peat litter : de en
  • GB399269A - Improvements in or relating to the formation of relief images for photographic and other purposes : en
  • GB399426A - Improvements in inking mechanism for rotary letter press printing machines : en
  • DE585684C - Framework for handicrafts, especially filleting : de en
  • GB399416A - Improvements in or relating to map or route card holders for use on vehicles or aircraft : en
  • USD90826S - Design fob a sign or article of a : en
  • GB399367A - Processes for the production of porous masses and objects : en
  • FR753029A - Board game : en fr
  • FR753095A - Improvements to shirts or similar clothing : en fr
  • DE585337C - Snow blower to be attached to road vehicles : de en
  • GB399328A - Improvements in and relating to pile-driving apparatus : en
  • GB399368A - Improvements in joint covering beadings : en
  • FR753017A - Method and device for controlling the discharge in an electric gas discharge apparatus : en fr
  • DE585449C - Gauge for measuring hole widths : de en
  • DE585608C - Electron beam tube with fluorescent screen and gas filling : de en
  • DE585352C - Process for the production of azo dyes on the fiber : de en
  • DK47833C - Cooling system for Automobiles. : da en
  • DK47836C - Blower driven by a pressure fluid for cleaning pipes in steam generators and similar devices. : da en
  • GB399793A - Improvements in the manufacture or treatment of aliphatic anhydrides : en
  • US1928978A - Electric system for motor vehicles : en
  • FR752938A - Fixing device for rubber extension cables : en fr
  • GB399263A - Improvements in or relating to metal working machine tools : en
  • FR753069A - Valve for fluids and vapors : en fr
  • DE585604C - Switching device to be placed freely floating on the bell shaft of an alarm clock : de en
  • DE585441C - Method for filling cylinder ampoules : de en
  • DE585751C - Elastic plug switch for retractable or lowerable switchgear : de en
  • FR752957A - Coating process for molded cement objects : en fr
  • US1928641A - Aluminum manganese alloy : en
  • US1928878A - Railway brake operating mechanism : en
  • US1928929A - Brush : en
  • US1928945A - Crossing gate : en
  • USD90820S - Design for a gkave vault : en
  • GB399791A - Improvements relating to multi-outlet electric switches : en
  • FR752870A - Process for separating the elements of a colloidal mixture : en fr
  • US1929090A - Drying apparatus for layers of fibrous materials : en
  • US1929206A - Engine : en
  • CA336198A - Loom : en fr
  • FR752908A - Headlight for vehicles and in particular for road vehicles : en fr
  • US1928904A - Redistribution type cooling tower : en
  • CA336072A - Pectin sugar preparation : en fr
  • DE585701C - Prism telescope with isosceles right-angled mirror prisms : de en
  • FR753108A - Boiler for central space heating : en fr
  • GB399208A - A method for the impregnation of organic aggregates for plastic masses : en
  • GB399315A - Improvement in or relating to counterpoised tilting doors, particularly for motor car garages : en
  • GB399472A - Improvements in or relating to detachable soles and heels : en
  • DE585705C - Process for the production of hardened eye glasses : de en
  • US1928663A - Ejector for cigarette packages or the like : en
  • GB399258A - Improvements in the manufacture and production of alcohols : en
  • US1928831A - Typographical casting machine : en
  • US1929000A - Bed : en
  • CA336151A - Printing press mechanism : en fr
  • FR753140A - Improvements to solid fuel stoves : en fr
  • US1929053A - Register : en
  • US1929295A - Arc lamp : en
  • US1928708A - Winding of yarn or thread packages : en
  • US1928749A - Nitric acid concentration : en
  • US1928755A - Refrigerating machine : en
  • US1929282A - Automatic control for absorption refrigerators : en
  • DE585249C - Safety device on mains-operated electrical devices, in particular mains connection devices : de en
  • DE585388C - Airplane strut with adjustable length : de en
  • DE585505C - Mercury vapor lamp in which the light tube is filled with mercury before it is ignited and ignition takes place as a result of evaporation at the point of the arc : de en
  • DE585754C - Electric heating and cooking vessel with a vessel jacket made from poor heat conductors : de en
  • US1929381A - Purification of succinic acid and succinic anhydride : en
  • DE585508C - Device for automatic control of the wire run of fourdrinier paper machines : de en
  • GB399357A - Improvements in or relating to rotary fluid pressure machines : en
  • DE585525C - Arrangement for synchronous operation of the image decomposition and composition devices connected to the same network : de en
  • US1929200A - Powderer : en
  • US1928814A - Adjustably supported seat : en
  • US1929324A - Fuel feeder hopper attachment : en
  • DK47838C - Characteristic for attachment to umbrellas and walking sticks. : da en
  • DE585563C - Aircraft wing : de en
  • GB399309A - Improvements in appliances for waxing or polishing floors : en
  • AU1079833A - Improvements in compression refrigerating systems for low temperature purposes : en
  • FR752974A - Cooling circuit for vehicle engines on roads or railways : en fr
  • DK47840C - Procedure for saccharification of cellulosic substances with mineral acids. : da en
  • FR753125A - Improvements to internal combustion engines : en fr
  • FR753150A - Toy for practicing a skill game : en fr
  • DE585694C - Stripping device for removing gelatine or other plastic masses from dip forms : de en
  • GB399302A - Improvements relating to electric fires : en
  • FR752995A - Improvements to thermionic amplifiers : en fr
  • GB399366A - Improvements in surgical dressings : en
  • IE12505L - Egg packing-cases : en
  • GB399305A - An improved clamp or fastening for ropes, cords, or similar bodies : en
  • GB399311A - Improvements in or relating to gas tight vessels particularly electron discharge tubes with indirectly heated cathodes : en
  • GB399491A - Improvements in the manufacture and production of vat dyestuffs : en
  • US1928703A - Air toy : en
  • US1929202A - Shielded spark plug : en
  • GB399387A - Improvements in anti-halation layers for photographic plates and films : en
  • CA336082A - Noise eliminating system for radio receivers : en fr
  • DE585433C - Safety catch for conveyor wagons that have become roped or chained : de en
  • US1928860A - Flexible suspension for multiwheel vehicles : en
  • US1929050A - Lock joint : en
  • US1929329A - Game : en
  • US1928960A - Hair roller : en
  • US1929209A - Process of forming alpha diphenylol naphthene : en
  • US1928720A - Coupling arrangement : en
  • AU842832A - Improvements in stop cocks andthe like : en
  • USRE18965E - Egg carton : en
  • DE585582C - Method and device for closing and banding rigid tubular box packs : de en
  • GB399283A - Improvements in or relating to high-tension dynamo-electric machinery : en
  • DE585612C - Device with clamping jaws for the application of wound clips, especially for tonsillotomy : de en
  • FR753119A - New automatic mesh feeder for threshers : en fr
  • GB399332A - Safety devices for aeroplanes : en
  • CA336094A - Paper machinery : en fr
  • CA336189A - Inlaid metal valve : en fr
  • DE585741C - Loading device for heat storage : de en
  • CA336091A - Auditing and merchandise control system : en fr
  • US1928729A - Hood catch : en
  • DE585527C - Switching arrangement for generators that work on separate distribution rails and some or at least one of which work on a distribution rail via a transformer : de en
  • FR753077A - Turnout control : en fr
  • AU160038A - Machine for making sanitary napkins : en
  • DE585637C - Cylindrical screen machine for the production of webs from fibrous materials such as paper, cardboard, asbestos cement, etc. : de en
  • FR752918A - Flexible pipe : en fr
  • DE585715C - Wood grinder with upstream sorter, the separated coarse material of which is fed back to the wood grinder : de en
  • DE585704C - Projector : de en
  • US1929160A - Paper roll supporter : en
  • US1929019A - Apparatus for producing signals : en
  • GB399262A - Method of producing yarn rovings : en
  • US1928977A - Steering apparatus : en
  • FR752866A - Cellular structure for panels and other applications : en fr
  • AU939732A - Improvements in means for automatically closing doors : en
  • GB399291A - Improvements in or relating to coin freed mechanism : en
  • DK47828C - Device for placing an auxiliary motor on a bicycle frame. : da en
  • US1928632A - Material handling apparatus : en
  • US1928923A - Delivery mechanism for printing presses : en
  • CA336051A - Crate : en fr
  • DE585309C - Power transmission gear with rubber belts and pulleys : de en
  • US1928876A - Antitheft device : en
  • US1928734A - Screen and sash fastener : en
  • US1929163A - Cable stretcher : en
  • AU998632A - Improvements in or relating to traffic control installations more particularly for railways : en
  • US1929313A - Apparatus for tipping-off incandescent lamps and similar devices : en
  • US1928889A - Dispensing and display box : en
  • CA336043A - Plastic material manufacturing apparatus : en fr
  • CA336150A - Sliding fastener : en fr
  • US1928802A - Time element device : en
  • US1928844A - Sanitary mop dust receptacle : en
  • GB399830A - Improvements in and relating to the speed control of dynamoelectric machines : en
  • USD90823S - Design fob a shoe shiner : en
  • DK47819C - Procedure for Recording Tones Using an Electron Beam and Tone Lamp for Performing the Procedure. : da en
  • FR753106A - Method of increasing the bearing capacity of driven piles : en fr
  • GB399833A - Improvements relating to magazine roll stands especially applicable to web printing machines : en
  • US1928792A - Box construction : en
  • US1929085A - Method of preserving viable bacilli : en
  • US1929276A - Cinematograph apparatus : en
  • US1928636A - Pot head : en
  • US1928990A - Manufacture of brooms and brushes : en
  • US1928953A - Recording and reproducing sound : en
  • US1928970A - Well survey instrument : en
  • DE585442C - Electric pocket or finger fan : de en
  • FR753045A - Process for the polymerization of unsaturated organic combinations and in particular acrylic acid, its homologues, its salts or its esters : en fr
  • CA336193A - Draft gear : en fr
  • DE585326C - Locking device for folding horizontal bars or similar gymnastic equipment : de en
  • DE585731C - Zipper link : de en
  • US1928997A - Electric fuse : en
  • US1929216A - Apparatus for controlling electrical circuits by means of electrical valves : en
  • US1929302A - Channel clip : en
  • US1928918A - Spring mattress : en
  • US1928738A - Pump : en
  • US1928874A - Integrating mechanism fob calcu : en
  • US1928803A - Circular knitting machine : en
  • US1929336A - Apparatus for molding pipe : en
  • US1928994A - Rotary internal combustion engine : en
  • US1929309A - Centrifugal pump : en
  • DE585237C - Procedure for achieving the impression of inlay work : de en
  • FR752934A - Perfuming jewel : en fr
  • US1928875A - Wire tying machine : en
  • CA336038A - Pneumatic tire : en fr
  • DE585758C - Henkelpluesch sinker for circular knitting machines : de en
  • FR752896A - Combustion process for coals and other fuels : en fr
  • CA336116A - Boiler cleaner : en fr
  • US1929343A - Respiratory hood : en
  • CA336138A - Thermostat : en fr
  • US1929260A - Electric resistance welding machine : en
  • US1929279A - Pavement : en
  • DE585359C - Process for the production of pitch and pure oils in coal distillation plants : de en
  • US1929264A - Apparatus for breaking gates from castings : en
  • US1929113A - Process of treating bentonite and the like : en
  • US1928737A - Temperature regulation : en
  • AU972132A - An improvement in strip serving machines : en
  • CA336057A - Motion simulating device : en fr
  • FR753124A - Provision for selective high frequency protection in heavy current lines : en fr
  • GB399193A - Improvements in and relating to adaptors for use with valve testing instruments : en
  • US1928793A - System and method for indicating time : en
  • DE585576C - Remote controlled and remote controlled vehicle toys by engine : de en
  • DE585349C - Insulating, vacuum-tight connection between the cathode container and the housing of mercury vapor rectifiers : de en
  • US1928835A - Machine and method for producing roofing : en
  • US1929262A - Automobile jack : en
  • US1929157A - Turbine : en
  • US1929338A - Clinical thermometer case : en
  • US1928778A - Earth mover : en
  • US1929245A - Riveting machine : en
  • US1929351A - Tool : en
  • FR753052A - Process for the separation of phosphoric acid from mixtures of rare earth sulphates obtained by treatment of monazitic sand with sulfuric acid : en fr
  • CA336185A - Phonograph : en fr
  • FR753133A - Improvement in the manufacture of slippers : en fr
  • GB399243A - Improved method of, and means for automatically controlling the return of absorbent liquid from evaporators in absorption refrigerating machinery : en
  • GB399384A - Spinning regulator for electrically driven ring spinning machines : en
  • GB399415A - Improvements relating to electrical contact pins : en
  • US1929066A - Reenforced member : en
  • DE585466C - Torch for pressure welding : de en
  • FR752922A - Automatic stop device for flexible ties, such as shoe laces or others : en fr
  • FR752903A - Device for the combined control of valves for withdrawing turbines or mixed turbines : en fr
  • FR753022A - Compressed air motor : en fr
  • FR753135A - Improvement in starting mechanisms : en fr
  • DE585619C - Concrete beams : de en
  • GB399380A - Process for the treatment of hard waters : en
  • GB399465A - Process and apparatus for separating by centrifugal action bodies or substances suspended in a gaseous or fluid matter : en
  • DE585457C - Device for the mass balancing of wave elastic bodies : de en
  • GB399493A - Controlling the feed water supply to steam generators and like evaporators : en
  • FR752868A - Method and methods for the projection of color photographs : en fr
  • FR752874A - Automatic machine for tying boots or ties using wire : en fr
  • GB399360A - Motor-car bonnet catch : en
  • FR753047A - Device for maneuvering signals and changing lanes for railways and the like : en fr
  • FR753145A - Improvements to luminescent tubes, signs and electric discharge devices : en fr
  • GB399219A - Improvements in or relating to copper alloys : en
  • US1928871A - Firearm : en
  • US1929210A - Composition containing cellulose derivatives : en
  • DE585365C - Process for the production of profiled rubber bands in large lengths from microporous rubber : de en
  • US1929041A - Milk bottle crate : en
  • GB399233A - Improvements in containers for semi-fluid or viscous substances : en
  • GB399422A - Safety razor : en
  • GB399467A - Improvements in or relating to systems for regulating electric machines : en
  • GB399537A - Improved wetting agents, and the treatment of textile fibres therewith : en
  • GB399507A - Improvements in and relating to sound permeable projection screens : en
  • FR753066A - Compensating coupling : en fr
  • FR753099A - Assembly device for greenhouse or other frames : en fr
  • FR752948A - Mixed wheel and its manufacturing process : en fr
  • FR753013A - Improvements to machines to conform the upper to the curve of the shape : en fr
  • FR753067A - Music paper : en fr
  • FR753139A - Fixed point chock for airplane wheel : en fr
  • GB399209A - Improvements in and relating to sheet feeding apparatus : en
  • GB399492A - A method of manufacturing a food product : en
  • GB399522A - Improvements in carburettors for internal combustion engines : en
  • US1928832A - Medicinal oil and method of preparation : en
  • US1928892A - Elbow holder for welding : en
  • US1929226A - Frame building : en
  • USD90802S - Design for a tire guard : en
  • GB399338A - Process for removing fatty and pitchy matters from animal fibres and for making them more readily feltable : en
  • DE585566C - Device for automatic pitch control of an air or water screw : de en
  • GB399265A - Improvements in reversing gear for oil engines : en
  • GB399345A - Improvements in or relating to water taps : en
  • US1929356A - Treating austenitic steel : en
  • FR752973A - Improvements to divided circles for measuring instruments : en fr
  • FR752942A - Pumping installation for water laden with impurities : en fr
  • GB399299A - Improvements in or relating to targets and the like : en
  • FR753081A - Improvements in methods and apparatus for handling cotton and similar fibrous materials : en fr
  • DE585370C - Device for the mechanical determination of roots and powers : de en
  • GB399439A - Improvements relating to paper-making machines : en
  • GB399509A - Improvements in the manufacture of cellulose esters : en
  • GB399798A - Improvements in or relating to the automatic control of the calorific value of gas : en
  • FR753041A - Advanced capping system for bottles and other glass containers : en fr
  • DE585306C - Pipe coupling with bayonet lock : de en
  • DK47839C - Procedure and device for machine Laying of the deck blade around a cigar wrap with a stub-shaped end rotated in a cigar wrap bearing or the like about its longitudinal axis. : da en
  • US1928873A - Combined flash stop signal and tail light : en
  • DE585302C - Metal window : de en
  • DE585752C - Converter replacement : de en
  • DE585521C - Braking equipment, especially for fast moving locomotives : de en
  • GB399280A - Improvements in straight-bar knitting machines : en
  • FR753040A - Device for supporting and aiming one or more machine guns or other weapons, intended to be mounted on aquatic, land or air vehicles : en fr
  • FR753105A - Sanitary napkin : en fr
  • DE585551C - Cooled piston rod : de en
  • US1928679A - Spinning frame : en
  • US1929046A - Folding show case with mounted shelf stand : en
  • US1928895A - Self-closing paste tube : en
  • US1929031A - Apparatus for the production of music : en
  • US1929084A - Ventilating silo : en
  • US1929220A - Automatic hitch : en
  • AU1432833A - Improvements in or relating to thermionic valve circuit arrangements : en
  • US1929091A - Rate of climb instruments : en
  • US1928851A - Culinary accessory : en
  • US1929057A - Apparatus for obtaining direct current from alternating current : en
  • US1929243A - Liquid feeding and measuring apparatus : en
  • CA336039A - Fruit storing rack : en fr
  • US1928809A - Indicator apparatus for multicylinder engines : en
  • US1928935A - Advertising display device : en
  • US1928933A - Glider : en
  • US1928995A - Combined holder for pan covers and other culinary articles : en
  • GB399382A - A process for sintering fine ores or the like : en
  • US1929121A - Process for the preparation of ammonium perborate : en
  • US1928934A - Traveling work table : en
  • FR752970A - Method and apparatus for obtaining stable resin emulsions : en fr
  • FR753076A - Silencers for internal combustion engines : en fr
  • DE585559C - Zigzag sewing machine with pull roller feed : de en
  • FR753098A - : fr
  • US1928768A - Game of simulated golf played with darts : en
  • US1929140A - Cornice for window curtains : en
  • US1929173A - Illuminating device : en
  • FR752906A - Improvements made to the gouge holders of shoe shaping machines : en fr
  • US1929037A - End cap for paper cores : en
  • US1929126A - Resilient sole element for footwear : en
  • US1929054A - Cooperative cold and hot-water bib cock : en
  • FR752919A - Process for reproducing and editing old and new stained glass : en fr
  • GB399462A - Heat economising receptacles and utensils : en
  • GB399500A - Improvements in or relating to wireless receiving apparatus : en
  • CA336178A - Clasp : en fr
  • GB399229A - Device for producing embossed and perforated results by ordinary typewriting and handwriting : en
  • US1928882A - Airplane wheel : en
  • US1928998A - Double ampule for sterile solutions : en
  • CA336148A - Sliding fastener : en fr
  • DE585538C - Band saw with feed roller for making curved wood : de en
  • US1928907A - Heater control : en
  • FR752911A - Illuminated police plate for motor vehicles or others : en fr
  • FR753061A - Shooting equipment for colored films : en fr
  • US1929021A - Multiple roll-set board drop hammer : en
  • US1928760A - Amplifier system : en
  • US1928857A - Reclining chair : en
  • US1928886A - Safety razor : en
  • US1929120A - Parachute attachment for airships : en
  • US1929230A - Art of regulating combustion in : en
  • US1928678A - Spring dampener or cushion : en
  • US1928920A - Universal joint : en
  • DE585484C - Hub fastening for automobile wheels held by central locking : de en
  • US1928888A - Safety apparatus for oil burners : en
  • US1929303A - Baker's tray : en
  • US1929038A - Locomotive stoker : en
  • US1929079A - Method of influencing plant growth : en
  • FR752901A - Carburetor for heavy and viscous fuels : en fr
  • GB399248A - Improvements in or relating to bobbin or like receptacles for looms : en
  • FR752958A - Improvements in the manufacture of polishing and shining discs : en fr
  • US1928707A - Fluid pressure hammer : en
  • US1929201A - Meter mounting : en
  • AU1274933A - Woven suiting fabrics and articles of clothing made therefrom : en
  • CA336162A - Draft gear : en fr
  • US1929025A - Bagless vacuum cleaner : en
  • USD90811S - Design for a steering wheel : en
  • GB399221A - Improvements in or relating to pipe couplings : en
  • US1928858A - Connecting arrangement for discharging devices : en
  • DE585113C - Aircraft engine consisting of two engines arranged one behind the other on the same axis : de en
  • DE585635C - Poster, especially for hairdressers : de en
  • FR753122A - Improvements in the manufacture of cast iron parts : en fr
  • GB399250A - Improvements in or relating to means for edging garden paths and the like : en
  • GB399330A - Improvements in or relating to the production of chenille for carpets and like pile fabrics : en
  • DE585513C - Heating glow body : de en
  • IE12782L - Apparatus for attaching metal strip to wood and the like : en
  • GB399440A - Improvements in radial flow elastic fluid turbines having a plurality of axially displaced blade groups : en
  • US1929006A - Hosiery with elastic strain absorber : en
  • US1928856A - Valve actuating mechanism : en
  • US1928697A - Undercutter : en
  • FR753059A - Improvements to support rods for ships : en fr
  • FR752933A - Sound recording device on film : en fr
  • DE585469C - Pressure device for the movable roller of roller frames : de en
  • DE585636C - Roller hood with upper entry chute for dissolving and viewing folders : de en
  • US1928669A - Transmitter : en
  • US1929368A - Rubberized fabric : en
  • US1929231A - Lubricant dispensing device : en
  • US1929377A - Laundry machine : en
  • FR752899A - Low voltage surge arrester : en fr
  • GB399273A - Improvements in, or relating to, chain belts or the like : en
  • DE585308C - Process for the production of pliable seals, consisting of soft sealing plates reinforced with sheet metal plates : de en
  • FR752975A - Plant for the subsequent processing of rolled bars to be cut into marketable lengths : en fr
  • FR753072A - Stage furnace with heat recovery : en fr
  • DE585735C - Process for the manufacture of zipper links : de en
  • GB399282A - Improved means for operating vertically-movable windows : en
  • DE584597C - Switching device for textile machines with fabric return, especially for jiggers with electric drive : de en
  • US1929248A - Lock : en
  • DE585626C - Grate for round Dwight-Lloyd apparatus : de en
  • GB399348A - Improvements in pin tumbler locks : en
  • US1929385A - Glove : en
  • GB399344A - Improvements in or relating to the troughing of jigging conveyors : en
  • GB399267A - Improvements in and relating to swings : en
  • DE585324C - Hand fire extinguisher with continuously pressurized extinguishing fluid : de en
  • GB399300A - Improvements in sifting or bolting machines for flour and other granular or pulverulent material : en
  • GB399295A - Improvements in poppet valves for internal combustion engines and method of making same : en
  • GB399228A - Improvements in or relating to trench crossing devices for vehicles : en
  • DE585430C - Office flat printing : de en
  • US1928823A - Antifriction bearing cage and method : en
  • US1929326A - Lawn mower sharpener : en
  • US1928883A - Metal stripe : en
  • FR753103A - Metal grave border, suitable for planting, for burial and cremation : en fr
  • GB399471A - Improvements in furnaces : en
  • US1929283A - Film holder : en
  • FR752909A - : fr
  • US1929346A - Heat treatment of steel rails : en
  • US1928740A - Railroad car truck : en
  • US1928828A - Carburetor : en
  • US1929063A - Cabinet : en
  • US1929122A - Vapor space current device : en
  • US1929195A - Lubricating apparatus : en
  • US1929239A - Fire extinguisher : en
  • US1928810A - Type of pottery to grow plants indoors or outdoors : en
  • US1928926A - Bookholder : en
  • US1928996A - Sizing agent for cellulose acetate silk : en
  • US1929064A - Typewriting machine : en
  • US1929222A - Mop swab and head : en
  • US1928714A - Apparatus for affixing pins to metal belts : en
  • US1928711A - Power press : en
  • US1928735A - Multiconductor system for signaling circuits : en
  • GB399318A - Improvements in or relating to magnets : en
  • AU940732A - Improvements in or relating totin-openers : en
  • US1928731A - Table for automobiles and the like : en
  • US1928980A - Aircraft : en
  • US1929094A - Relay : en
  • US1928683A - Dishwashing machine : en
  • US1928746A - Process of producing acetic acid : en
  • US1929194A - Charge forming device : en
  • US1929299A - Feeding mechanism for flat bed machines : en
  • US1929320A - Identification device for umbrellas or the like : en
  • CA336092A - Side arch brick : en fr
  • CA336141A - Container for self-lighting cigarettes : en fr
  • CA336200A - Conveyer : en fr
  • DE585519C - Process for the preparation of organic bismuth compounds : de en
  • CA336115A - Ignition apparatus : en fr
  • CA336067A - Tongs : en fr
  • DE585035C - Malschloss whose two-part housing can only be opened when the locking bolt is unlocked : de en
  • GB399217A - Improvements in or relating to record-controlled statistical machines : en
  • GB399461A - Improved holder for sticks of grease-paint and the like : en
  • US1929188A - Hollow knob : en
  • FR752859A - Aseptic drain for drums, casks or other empty tanks : en fr
  • GB399442A - Apparatus for playing a table-game : en
  • USD90816S - Trailer : en
  • US1929315A - Lamp shade : en
  • US1928811A - Manipulating mechanism : en
  • US1929167A - Mounting and display means for articles of merchandise : en
  • CA336168A - Window pulley : en fr
  • US1928963A - Electrical system and method : en
  • US1929386A - Device for distributing fertilizer, seed, or like material : en
  • USRD18960E - Lighting unit or article of analogous nature : en
  • US1928629A - Device for switching eleotsic : en
  • US1928956A - Brake fluid composition : en
  • CA336046A - Cleaning swab : en fr
  • AU1012432A - Improvements in or relating to cleaning metal surfaces : en
  • US1928721A - Distributing mechanism of typographical composing and casting machines : en
  • US1928864A - Garbage disinfecting device : en
  • US1929100A - Hydraulic turbine : en
  • GB399212A - Improvements in or relating to telephone instruments : en
  • US1928676A - Hat brim ironing machine : en
  • US1928719A - Vat dyestuffs of the 1.4.5.8-naphthoy-lene-diaryl-imidazol series and alpha process of preparing them : en
  • US1928722A - Electromagnet switch : en
  • US1929024A - Car seat and back : en
  • US1929119A - Sound reproducing apparatus : en
  • US1929184A - Method of and means for producing blanks for roll threaded bolts and the like : en
  • USD90798S - Design for a jig-saw puzzle blank : en
  • US1929317A - Ornament : en
  • US1929354A - Switching conveyer : en
  • US1928927A - Electrically heated puff iron : en
  • CA336060A - Grain door : en fr
  • CA336195A - Internal combustion engine : en fr
  • US1928913A - Closure structure : en
  • DE585498C - Unglued folding box : de en
  • GB399245A - Improvements in wardrobe trunks : en
  • CA336117A - Plastic rubber product : en fr
  • DE585590C - Watertight paper receptacle of angular cross-section and process for its manufacture : de en
  • US1929040A - Skinning apparatus : en
  • US1929347A - Automatic fastening apparatus which tautens, fastens, and cuts the wire in one sole operation : en
  • US1928912A - Heat exchange apparatus : en
  • US1929387A - Cleaning device : en
  • US1928941A - Loose leaf binder : en
  • DE585625C - Process for preparing fine-grained zinc blende for the roasting process : de en
  • GB399333A - Adhesive-applying mechanism : en
  • US1928652A - Process of making mixed esters of cellulose : en
  • US1928739A - Resin and varnish : en
  • FR753056A - Compensating device for guiding hangar doors : en fr
  • GB399394A - Process for the manufacture, from aqueous rubber dispersions of a highly viscous substance capable of being shaped, applied with a brush, or sprayed : en
  • DE585669C - Loading device : de en
  • FR752893A - New filter plate : en fr
  • FR753006A - Medical percussion device : en fr
  • US1928631A - Locomotive boiler head structure : en
  • US1929300A - Explosive fertilizer-cartridge : en
  • AU1005232A - Improvements in or relating to cotter pin spreaders : en
  • US1929115A - Sizing composition for paper or the like : en
  • US1928750A - Brake mechanism : en
  • US1928685A - Printing device : en
  • US1929233A - Tool : en
  • FR752945A - Electromagnetic device with circular iron and shared winding : en fr
  • DK47826C - Procedure for increasing the tensile strength of plates and strip steel. : da en
  • DE585574C - Toy with an endless belt with vertical support members and figures that is arranged in an elongated housing and runs over two rotatable rollers : de en
  • FR753138A - Production of 1,4-diaminoanthraquinone 2,3-disulfonic acid : en fr
  • GB399321A - A new or improved music sheet holder for use in connection with small drums of the side-drum kind : en
  • DE585353C - Primer, putty and leveling compounds for absorbent substrates : de en
  • FR753055A - Process for the preparation of water-soluble sulphonated condensation products with high stability towards hard water : en fr
  • FR753087A - Electrically operated machine for the production of knitted articles, in particular knitting machine : en fr
  • GB399435A - Improvements in or relating to radiators for heating buildings : en
  • FR752913A - Sand filter or separator for drilling : en fr
  • DE585575C - Starting gear for toy flywheel motor with oscillating countershaft : de en
  • US1929258A - Wrench : en
  • CA336201A - Anti-tobacco confection : en fr
  • US1928655A - Window locking device : en
  • AU933732A - Improvements in and connected with apparatus for applying treads to the covers of pneumatic tyres : en
  • GB399831A - Process for preserving preliminarily dried fruits : en
  • DE585443C - Soap dispenser for liquid soap : de en
  • DE585332C - Process for the preparation of benzoic acid and benzoic acid salts : de en
  • DE585653C - Large smoke pipe superheater for locomotives : de en
  • CA336100A - Building membrane unit : en fr
  • CA336090A - Auditing and tabulating system : en fr
  • US1928645A - Antenna system : en
  • US1929130A - Protective coupling for gas meters : en
  • US1928624A - Closure for coin slots : en
  • US1928975A - Saw set : en
  • USD90817S - Design for a coin ob token con : en
  • US1929045A - Window-sill construction : en
  • US1928621A - Apparatus for cleansing or blasting castings or other articles : en
  • US1928938A - Tenpin conveyer : en
  • DE585006C - Device for the printing of clear characters on adding and calculating machines with several counters : de en
  • FR752925A - New production process for cutlery : en fr
  • USD90803S - Design fok a box blank or similar : en
  • USD90807S - Design for a display fixture : en
  • US1929162A - Razor : en
  • CA336077A - Ham boiler : en fr
  • CA336188A - Hydrocarbon oil conversion : en fr
  • US1928745A - Telescopic radiator cabinet : en
  • US1929117A - Method of finishing surfaces of materials composed in part of vegetable fibers : en
  • AU1028632A - An improved closet for unsewered areas : en
  • US1929150A - Fish lure : en
  • US1929198A - Control valve for heating systems : en
  • US1928891A - Continuous conversion of starch : en
  • US1929096A - Sheet-handling mechanism for printing presses : en
  • US1929344A - Machine and method for mixing fibers : en
  • US1928665A - Headlight device : en
  • US1929341A - Burial vault closure : en
  • USD90815S - Design fob eye wire for an ophthal : en
  • DE585467C - Peeling machine with vertical shaft and fixed upper peeling body : de en
  • US1928763A - Gear : en
  • US1929129A - Continuous press for solid materials containing liquids : en
  • US1929240A - Automobile lock : en
  • US1929397A - Excavating apparatus : en
  • FR752941A - Reinforced cement floor : en fr
  • US1929023A - Seat : en
  • US1928662A - Binocular rangefinder : en
  • US1928812A - Control apparatus : en
  • US1928944A - Suction cleaner : en
  • US1929267A - Carton and method of making the same : en
  • AU1124133A - Improvements in pulverizing mills : en
  • FR753086A - Improvements to clothing items : en fr
  • GB399441A - Improvements in heat transmitting materials : en
  • DE585547C - Thermoelectric surface pyrometer : de en
  • US1928872A - Electromagnetic motor : en
  • CA336058A - Beer manufacture : en fr
  • CA336146A - Ammonium sulphate production : en fr
  • US1929363A - Panties : en
  • CA336179A - Rubber latex processing : en fr
  • CA10103S - Glass jar and/or glass vase neck : en
  • CA336136A - Railway traffic system : en fr
  • US1929214A - Cross feeding mechanism for grinding machines : en
  • US1928659A - Shutter attachment for projectors : en
  • US1928695A - Refrigerating apparatus : en
  • US1928798A - Ventilation controlling means for library stacks and like structures : en
  • US1928634A - Arch support : en
  • US1928928A - Automatic card printing and vending machine : en
  • US1929147A - Game device : en
  • US1928813A - Ladle : en
  • US1929207A - Internal combustion engine : en
  • FR752873A - Method and device for the construction of various concrete structures and parts and structures and parts obtained by this process : en fr
  • US1928617A - Narrow fabric package : en
  • US1928751A - Roof construction : en
  • US1929105A - Automatic photo printing apparatus : en
  • CA336107A - Traffic signal : en fr
  • GB399408A - Generator of relaxation oscillations of controlled frequency : en
  • GB399478A - Improvements in telephonic broadcasting : en
  • US1928930A - Knife edge bearing : en
  • DE585593C - Clip for tensioning and drying machines : de en
  • DE585649C - Drive for upright walking two-legged toy figures : de en
  • DE585406C - Drive device for wire-shaped sound carriers by means of a record speaking machine : de en
  • DE585643C - Device for controlling ship stabilizing masses : de en
  • US1929288A - Apparatus for laying concrete floors : en
  • US1929225A - Acetyl-cellulose plastic : en
  • CA336062A - Sawing machine : en fr
  • DE585665C - Process for the production of bristle strips of any length which can be wound onto a roller body without a special end closure and a brush produced by this process : de en
  • DE584956C - Bag filling machine with dust extraction : de en
  • US1929065A - Basket liner : en
  • US1928985A - Process for production of gasoline from petroleum hydrocarbons : en
  • US1929142A - Method of forming alpha brush shunt connection : en
  • US1929235A - Lock : en
  • US1929072A - Tool box for hexagonal socket wrenches : en
  • US1929254A - Nonhalation film : en
  • US1929273A - Door operating apparatus : en
  • US1929307A - Mechanical system : en
  • CA336035A - Door operating device : en fr
  • CA336149A - Sliding fastener : en fr
  • US1928777A - Thermostatic, electric, circuitcontroller : en
  • US1929010A - Throttling device for internal combustion engines : en
  • CA336175A - Ester hydrolysis : en fr
  • US1929319A - Drying rack : en
  • US1929211A - Milk bottle lock : en
  • US1929382A - Regulating device : en
  • FR752887A - Improvements to extinguishers : en fr
  • GB399400A - Improvements in or relating to electrolytic condensers : en
  • US1929070A - Signaling device for vehicles : en
  • US1929340A - Stick loading apparatus for stick carriers : en
  • CA336037A - Container and cooler : en fr
  • CA336131A - Capping and sealing machine : en fr
  • CA336047A - Gas reaction production : en fr
  • US1929042A - Device for making permanent waves with observation windows : en
  • DE585573C - Hollow spear composed of several parts : de en
  • US1929289A - Electrical instrument : en
  • US1928959A - Spring end connection : en
  • US1929012A - Hair curler : en
  • US1929259A - Speed and frequency indicator : en
  • FR753093A - Rolling crane for railways : en fr
  • DE585755C - Electric egg boiler, in which the water is heated as a resistance between electrodes built into the cooking vessel : de en
  • AU1118833A - Improvements relating to footwear : en
  • US1928881A - Apparatus for purging crystal massecuites : en
  • GB399385A - Improvements in antirattling constructions for window and door glass of vehicles : en
  • DE585646C - Swimming device : de en
  • FR753149A - Disinfection, deodorizing agents, etc. : en fr
  • FR753102A - Attachment device : en fr
  • DE585338C - Automatic device for swiveling an earth shovel from the grave to the conveying position : de en
  • DE585736C - Tissue duplicating machine : de en
  • US1928783A - Signaling : en
  • US1929191A - Oil treating device : en
  • CA336145A - Ammonium sulphate producing apparatus : en fr
  • DE585473C - Production of acid solutions, especially for the preservation of green fodder : de en
  • DE585634C - Control of lamps with glow light or arc discharge for lighting purposes using a photocell : de en
  • US1928753A - Ironing press and neck band holder : en
  • FR753026A - Rubber vulcanization process : en fr
  • DE585402C - Burner with several dust and air nozzles for steam boiler firing : de en
  • FR752923A - Advanced diaphragm mount for recording sound on sensitive photographic emulsions : en fr
  • FR752877A - Liner for fiber washing machine wringer cylinder : en fr
  • DE585579C - Method of manufacturing reinforced concrete pipes : de en
  • DE585560C - Three-part presser foot for sewing machines : de en
  • US1929204A - Transfer means for board machines : en
  • GB399288A - Improvements in non-microphonic radio apparatus : en
  • GB399293A - Improvements in machines for sifting potters' slip and other granular or pulverulentmaterials : en
  • FR753126A - : fr
  • GB399444A - A new and improved method of introducing cylindrical blanks into a grinding machine : en
  • FR753130A - Improvements in the installation and assembly of fire detection devices : en fr
  • DE585368C - Process for the processing of cobalt sludge : de en
  • FR753019A - Automatic protection system for level crossings and dangerous road crossings : en fr
  • GB399353A - Improvements in and relating to engine starting devices : en
  • GB399204A - Improvements in and relating to multi-band conveyor devices : en
  • GB399339A - Improvements relating to ophthalmic lenses : en
  • DE585569C - Device for preventing fogging up or freezing of the windscreens or window panes of vehicles, in particular of motor vehicles : de en
  • DE585471C - Feeding device for Koller aisles : de en
  • FR752902A - Device for automatic feeding of bottles, flasks, and the like, under the working bodies of capping, capping, and other machines : en fr
  • FR752927A - Device to twist : en fr
  • FR753084A - Process for handling powdery and fine grain materials : en fr
  • CA336202A - Engine silencer : en fr
  • DE585602C - Connection of a collector plate with the associated separating layers, loosely laid on the plate surface and provided with external ribs : de en
  • FR753046A - Remote and pressurized lubrication process : en fr
  • GB399335A - Improvements in road-or-rail vehicle wheels : en
  • US1929187A - Water and air cooled electromagnet : en
  • DE585581C - Process for the production of light, porous moldings from cellulose-containing materials and cement : de en
  • GB399207A - Improvements in and relating to means for filtering liquids : en
  • US1928646A - Rotary cutter : en
  • FR753057A - Hangar door retraction device : en fr
  • FR753107A - Winding device for watches and clocks and more particularly for vehicle watches : en fr
  • GB399342A - Improvements in self-adjustable pistons for internal combustion engines : en
  • GB399499A - Improvements in profiling machines : en
  • DE585284C - Device to prevent synchronous machines from falling out : de en
  • FR753127A - Process for gas desulfurization : en fr
  • US1928816A - Steering gear safety device : en
  • US1928820A - Wood structure protective means : en
  • US1929011A - Aeronautical apparatus : en
  • US1929181A - Vent device : en
  • DK47824C - Method for Coating Metal Surfaces. : da en
  • GB399372A - Implement for electric stunning of cattle to be slaughtered : en
  • US1928911A - Method of making wheel hubs : en
  • US1929180A - Color process for films : en
  • US1929125A - Knitting machine attachment : en
  • DE585470C - Roller mill with grinding comb : de en
  • DE585317C - Crank arm for skylight window : de en
  • FR753030A - Sprouted wheat kneading mill for making natural and wholemeal bread : en fr
  • GB399807A - Improvements relating to metal and like drilling machines : en
  • US1928966A - Attachment for cranes : en
  • US1929047A - Remote control apparatus : en
  • GB399234A - Improvements in or relating to thermostats : en
  • GB399453A - Improvements in or relating to aircraft wings : en
  • US1929400A - Light relay compass for direction and indication : en
  • DE585490C - Device for regulating the paint supply in paint spray nozzles : de en
  • DE585675C - Electric drive for rotary machines with individual drive of the printing and folding units : de en
  • DE585690C - Lid opener for cans or the like, especially for shoe polish : de en
  • US1929238A - Traction and antiskid chain : en
  • DE585382C - Cross-string zither : de en
  • GB399362A - Window and door swivel screw button : en
  • GB399215A - Improvements relating to terminal devices for electric cable systems : en
  • GB399320A - Improved cold bleaching process : en
  • GB399334A - Improvements in or relating to water heaters : en
  • DE585340C - Gas-electric vehicle : de en
  • DE585150C - Distribution device for loading ovens : de en
  • DE585700C - Aperture system for microscope condensers : de en
  • DE585412C - Equipment for bunkers, slides, chutes, etc. like : de en
  • US1929322A - Chain stitch sewing machine : en
  • DE585516C - Device for separating fine metal shavings from liquids : de en
  • US1929039A - Torch : en
  • DE585657C - Synthetic resin compound : de en
  • DE585416C - Pipe extrusion press, in particular lead cable press : de en
  • DE585533C - Dry cleaning agent : de en
  • GB399448A - Improvements relating to jacquard harness : en
  • GB399242A - Improvements in or relating to keyboard controlled current impulse transmitters : en
  • GB399427A - Improvements in and relating to platen printing presses : en
  • GB399512A - Improved production of artificial silk of reduced lustre : en
  • GB399788A - Improvements in crepe bandages : en
  • DE585439C - Process for producing hydrocarbon gas : de en
  • GB399383A - Improvements in or relating to game apparatus, toys and advertising devices : en
  • FR753044A - Mechanical group for boring and grinding cylindrical cavities : en fr
  • GB399437A - Improvements in manifolding books : en
  • FR753131A - Board game : en fr
  • GB399795A - Improvements in the production of artificial silk and like products : en
  • GB399254A - Improvements relating to the shives of barrels : en
  • DE585224C - Cinematographic recording and reproducing apparatus : de en
  • DE585514C - Device for the production of cover covers for books, notebooks or the like. : de en
  • DE585339C - Push-off device with friction wheels and compressed air drive for conveyor wagons : de en
  • FR752936A - Improvement of baking tubes or other similar products : en fr
  • GB399224A - Improvements in turbines for gaseous driving medium : en
  • GB399297A - Improvements in sedimentation apparatus : en
  • GB399832A - Improvements relating to systems for controlling electric motors : en
  • FR753015A - Herringbone gable cage : en fr
  • FR753053A - Device for recording the operation of a security installation against theft, fire and other risks : en fr
  • DE584991C - Switch for normal operating voltages, in particular installation rotary switches, with several interruption points under instantaneous switching effect on the rotatable switch body in one or each of the switching lines leading from the mains to the consumer : de en
  • DE585377C - Gas- and liquid-tight flange connection for pipes : de en
  • DE585489C - Work piece template, especially for grinding machines : de en
  • FR753143A - Method and devices for the protection of blowing bars in tubular steam boilers : en fr
  • DE585614C - Sick bed with bedside chair : de en
  • DE585407C - Double-acting two-stroke internal combustion engine : de en
  • USD90809S - Design fob a liquid dispenser ob : en
  • US1929334A - Fruit jar holder : en
  • CA336161A - Low frequency transformer : en fr
  • US1929244A - Clutch mechanism : en
  • GB399205A - Improvements in or relating to adjustable pitch propeller : en
  • CA336093A - Shoe box toe : en fr
  • CA336122A - Musical instrument disc changer : en fr
  • CA336157A - Railway car yoke : en fr
  • US1929208A - Engine and method of operating same : en
  • US1929270A - Machine tool : en
  • CA336055A - Bread slicing machine : en fr
  • DE585600C - Connection device for earth connections : de en
  • US1928726A - Wire arrangement in pole line systems : en
  • US1928949A - Electroplating apparatus : en
  • FR752900A - Improvement in means to increase the electrical conductivity of air and gases : en fr
  • FR752992A - Overhead line separation switch : en fr
  • US1928847A - Shoe last : en
  • US1929026A - Chain tightening device : en
  • US1928718A - Skin incisor : en
  • DE585383C - Device for the continuous production of edible fat panels u. like : de en
  • GB399232A - The manufacture of artificial resins : en
  • US1929056A - Table leaf lifting device : en
  • US1928612A - Electrically operated massaging device : en
  • US1929308A - Flash roasting unit : en
  • US1928762A - Regulator : en
  • US1929294A - Apparatus for feeding filaments for incandescent lamps : en
  • USD90819S - Design for a coffee percolator : en
  • US1928660A - Box : en
  • USD90794S - Design for a food mixer or the like : en
  • CA336170A - Food product : en fr
  • US1928784A - Process of manufacturing oil gas : en
  • US1929148A - Means for packing cigarettes and like articles : en
  • US1929286A - Animal trap : en
  • US1928613A - Treating oil : en
  • GB399327A - Improvements in the method of, and apparatus for, drying and cleaning hides : en
  • DE585536C - Foldable chair with crisscrossing, permanently articulated legs : de en
  • US1929345A - Upholstery washer : en
  • US1929390A - Foam delivery apparatus : en
  • US1928861A - Locomotive boiler : en
  • AU1450633A - Improvements in and relating to railway carriages and waggons and bogies, therefor : en
  • US1928651A - Flying machine landing gear : en
  • FR752892A - Improvement in bearings and similar parts : en fr
  • US1928702A - Apparatus for collecting dust : en
  • US1928668A - Raised printing : en
  • US1929342A - Steering mechanism for automotive vehicles : en
  • DE585568C - Device for tightening brake bands, in particular for switching epicyclic gears in motor vehicles : de en
  • CA336184A - Hydrocarbon oil conversion : en fr
  • DE585141C - Process for the production of grained, non-dusting calcium cyanamide : de en
  • CA336103A - Traffic control system : en fr
  • CA336125A - Textile assistant production : en fr
  • US1928670A - Dust remover : en
  • US1928712A - Mold and the process of making same : en
  • GB399451A - Improvements in or relating to dies for pressing and stamping : en
  • US1928682A - Running board : en
  • US1929305A - Garment press : en
  • US1929383A - Index system : en
  • US1928921A - Swaging : en
  • GB399285A - Improvements in conduit or electric cable racks : en
  • US1929359A - Illusion device : en
  • FR752852A - Vibrating armature regulators on dynamos : en fr
  • GB399424A - Improvements in or relating to pickers for driving the shuttles of looms : en
  • US1929049A - Disconnecting switch : en
  • US1929182A - Method of and apparatus for automatically controlling the amount of heat supplied to alpha building : en
  • US1929185A - Feed mechanism for machine tools : en
  • AU1137133A - An improved refrigerant mixture : en
  • CA336169A - Gas stove device : en fr
  • GB399506A - Improvements in forced draught furnaces : en
  • GB399519A - Improvements relating to direction control switching arrangements for electrical signalling systems : en
  • GB399241A - Manufacture of vat-dyestuffs : en
  • DE585615C - Device for pressing glass : de en
  • GB399413A - Improvements in or relating to taps or valves : en
  • CA336064A - Bituminous composition : en fr
  • FR752968A - Assemblies of elements for all applications and in particular for the construction of lightweight dwellings, frames, fences or other : en fr
  • US1929089A - Electric train control system : en
  • US1929197A - Bell ringer : en
  • GB399331A - Improvements in and relating to the production of cast metal blocks : en
  • GB399433A - Improvements in closures for high pressure containers : en
  • GB399468A - Well drilling equipment for handling drill pipe and casing in high pressure wells : en
  • US1928900A - Universal attachment : en
  • DE585617C - Wall block made of reinforced concrete : de en
  • GB399310A - Improvements in or relating to heels : en
  • GB399322A - Improvements in methods of flavouring in canning, preserving and bottling operations : en
  • DK47837C - Coke discharge device for vertical Retorters for Coking Coal and the like. : da en
  • US1929102A - Emasculatome : en
  • DE585364C - Screw clamp : de en
  • DE585397C - Process for the production of easily soluble salts of bile acids : de en
  • US1929155A - Vacuum switch : en
  • GB399306A - Improvements in or relating to machine guns and automatic small arms of the gas operated type : en
  • FR753043A - Advanced supplies for the underside of shoes and their methods of manufacture : en fr
  • GB399520A - Improvements in and relating to the supercharging of two-stroke diesel engines : en
  • GB399377A - Improvements in clutch control mechanism : en
  • DK47820C - Mule protector for Horses. : da en
  • USD90821S - Design for a container : en
  • FR752891A - Engine mounting device on agricultural machinery such as mowers or others : en fr
  • GB399314A - Improvements in cardboard boxes : en
  • GB399391A - Improvements in or relating to reversible internal combustion engines : en
  • US1929316A - Threshold construction : en
  • US1929388A - Manufacture of pavements : en
  • GB399518A - Improvements in or relating to ships for carrying fluids in bulk : en
  • FR752935A - Air mattress : en fr
  • FR752855A - Devils Improvements : en fr
  • GB399516A - An improved communication system for alternative telephone and telegraph service : en
  • FR753078A - Jewelry subject holder : en fr
  • GB399438A - Improved apparatus for fixing pins, staples and the like in wooden bars and other articles : en
  • GB399284A - Improvements in or relating to carrier cycles : en
  • GB399376A - Improvements relating to adjustable spanners : en
  • FR752929A - Linkage and locking device for file building and other applications : en fr
  • US1929325A - Scaffold : en
  • US1928626A - Fastening device for outboardmotors : en
  • US1928866A - Disk brake : en
  • US1929396A - Resistance element : en
  • US1928976A - Collapsible box : en
  • US1928894A - Method of impregnating materials with alpha liquid : en
  • US1929166A - Electric grill : en
  • US1929061A - Device for the longitudinal control of aeroplanes : en
  • DE585427C - Production of potash with by-production of ammonia or ammonium sulphate : de en
  • DE585363C - Elastic spring mattress, preferably made of flexible wooden strips : de en
  • US1928730A - Machine for forming glass articles : en
  • US1929067A - Frequency multiplier : en
  • CA336089A - Assembling machine and jig : en fr
  • GB399341A - Improvements in or relating to plate or leaf springs : en
  • US1928690A - Adjusting means for bearings : en
  • US1929364A - Display device : en
  • US1929277A - Ornamental hard surface covering : en
  • US1928724A - Machine for selecting and spooling yarns for axminster looms : en
  • US1929352A - Laminated glass : en
  • US1929372A - Electrical apparatus : en
  • DE585342C - Filling funnels, in particular for filling accumulators : de en
  • DE585346C - Electric torch with pocket mirror : de en
  • DE585410C - Candy stamping machine : de en
  • CA336041A - Petrol lighter : en fr
  • CA336128A - Steam generator : en fr
  • CA336078A - Oil burner : en fr
  • US1928962A - Hopper for stokers : en
  • US1929159A - Open type searchlight : en
  • US1928717A - Siphon jet flushing nozzle, water closet, flushing valve, and bidet combination : en
  • CA336164A - Electromechanical interlock : en fr
  • FR752986A - Locking hook, particularly suitable for coupling vehicle trailers : en fr
  • GB399378A - Improvements in teapots, coffee pots and hot water jugs : en
  • FR752907A - : fr
  • GB399477A - Improvements relating to thermionic valves or electron discharge tubes : en
  • US1929110A - Back rest for chairs : en
  • US1928817A - Cloth expanding apparatus : en
  • US1928804A - Storm sash ventilator : en
  • US1928981A - Boiler : en
  • FR752894A - Used note pad device : en fr
  • USRE18961E - Sewing machine : en
  • DE585589C - Reversible sewing machine with curved hook needle, needle guide and leg needle : de en
  • CA336113A - Feed water heater : en fr
  • CA336134A - Railway traffic system : en fr
  • US1929020A - Lighting apparatus : en
  • US1928672A - Metal rough box : en
  • CA336069A - Saw set : en fr
  • CA336104A - Traffic control system : en fr
  • USD90813S - Design fob a textile fabric or the : en
  • US1928764A - High frequency amplifier : en
  • US1928782A - Transmission : en
  • US1928906A - Clamping device : en
  • CA336186A - Emulsifying agent : en fr
  • US1928800A - Abrasive apparatus : en
  • US1928986A - Wave motor : en
  • US1929284A - Garment hanger : en
  • DE585707C - Slewing ring : de en
  • DK47829C - Coke box. : da en
  • US1929027A - Method and apparatus for the production of music : en
  • DE585300C - Snowfall : de en
  • DE585506C - Process for the extraction of sulfur and metal chlorides : de en
  • GB399244A - Improvements in and relating to skating rinks, dance floors and the like : en
  • DE585499C - Two-part seal intended for sealing two ends of the cord : de en
  • US1929183A - Rotary : en
  • US1929290A - Photographic plate or film : en
  • US1929080A - Hair net or cap : en
  • DE585737C - Brines for the transfer of heat or cold : de en
  • US1929083A - Fastening device : en
  • US1929251A - Doorcheck : en
  • DE585429C - Process for the preparation of benzoic acid and benzoic acid salts : de en
  • DE585491C - Writing or drawing stencil with reinforcements on the two longitudinal frames : de en
  • DE585681C - Circular knitting machine for the production of appropriately shaped socks, partly in a circular walk, partly in a pendulum walk : de en
  • FR752976A - Lighter with catalytic ignition : en fr
  • FR753020A - Method and apparatus for deodorizing air during handling of waste products : en fr
  • USD90805S - Design for a universal airplane : en
  • US1928877A - Meat mold : en
  • US1928903A - Apparatus for treating material : en
  • FR752858A - Synchronous servo-control device for several components : en fr
  • FR753025A - Rotary pump intended more specifically for lifting thick materials : en fr
  • GB399446A - Improvements in and relating to rotary blades or wings for aircraft : en
  • US1929272A - Fuse plug : en
  • US1929312A - Electric iron control : en
  • USD90796S - Design for a transport aeroplane : en
  • CA336088A - Electric switch and circuit breaker : en fr
  • US1928897A - Truck wheel : en
  • US1929215A - Process of treating sunken pavements : en
  • USD90822S - Design fob a portable dispensing : en
  • US1929391A - Elevator controller : en
  • CA336183A - Food product : en fr
  • GB399456A - Improvements in and relating to lamp failure indicators for use on vehicles : en
  • GB399264A - Improvements in or relating to windows : en
  • GB399319A - Improvements in processes of bleaching by means of hypochlorites : en
  • GB399412A - An improved swivel : en
  • GB399414A - Improvements in and relating to wringing machines : en
  • CA336050A - Bolt : en fr
  • US1928992A - Flexible tubing : en
  • USD90799S - Design for a jig-saw puzzle blank : en
  • DE585529C - Process for the production of colorless, difficult to crystallize rosin : de en
  • DE585661C - Tilt protection for fire brigade turntable ladders : de en
  • FR753083A - Thread guide control for reel machines for spinning artificial silk : en fr
  • GB399252A - Improvements in cooling drums for cooling of liquid and molten substances : en
  • GB399292A - Improvements in or relating to measuring tapes : en
  • FR753144A - Hot water jet device : en fr
  • GB400199A - Method of and device for controlling the flow of liquid in a closed pump circulation : en
  • DK47823C - Device for Percussion Tools. : da en
  • GB399268A - Improvements relating to dyestuffs and their application : en
  • FR753008A - Small motor for single-phase armature current without winding and its applications : en fr
  • US1928611A - Closure operating mechanism : en
  • DE585322C - Method for building disc gas containers higher : de en
  • DE585395C - Sieve insert for outlet jet regulator to be attached to the tap : de en
  • FR753079A - Photographic equipment for the production of color images and in particular positive images : en fr
  • DE585740C - Process for the preparation of amides of benzylated oxyacetic acids : de en
  • US1928859A - Convertible truck body : en
  • US1929097A - Relay : en
  • US1929384A - Zigzag-stitching machine : en
  • FR752853A - Centrifugal force regulator with variable weights : en fr
  • GB399540A - Improvements relating to adjustable windows : en
  • DE585170C - Heating and cooling elements in which wire loops are wound in a helical shape around a pipe : de en
  • DE585327C - Belt conveyor with movable side guides : de en
  • DE585666C - Ozonizer : de en
  • CA336054A - Hypodermic syringe : en fr
  • FR753111A - Device for adjusting the cutting edge of a drilling tool in a direction perpendicular to its axis of rotation by means of a precise measuring instrument coming into contact with this edge : en fr
  • GB399279A - Improvements in or relating to suspension devices for use in roasting meat and the like : en
  • CA336152A - Lighting effect producing means : en fr
  • USD90814S - R a millermaster : en
  • US1928942A - Cross frame member : en
  • FR752863A - Improvements to road sign devices : en fr
  • GB399253A - Improvements in and relating to advertising and display devices : en
  • DE585650C - Spiral slide in shafts, bunkers, etc. like : de en
  • DE585698C - Magnetic compass : de en
  • AU934532A - Means for insulating milk cans andthe like : en
  • US1928766A - Rack : en
  • USD90812S - Design for a garment : en
  • US1929058A - Speed reducer : en
  • DE585601C - Electrode for accumulators : de en
  • DE585379C - Non-return flap, which in the closed position is pressed firmly onto its seat by a wedge that can be moved by means of a spindle : de en
  • DE585702C - Microscope with an inclined view : de en
  • US1928759A - Cigarette case : en
  • US1929218A - Outlet box : en
  • US1928807A - Child's vehicle : en
  • US1929228A - Contact eyeglass construction : en
  • CA336126A - Electrical conduit outlet : en fr
  • DE585012C - Fuel injection device for internal combustion engines : de en
  • DE585480C - Arrangement of the swing struts on the rear axle housing of motor vehicles : de en
  • DE585687C - Embryotome : de en
  • FR752851A - abrasive elements and their manufacturing processes : en fr
  • US1928691A - Electric switch : en
  • US1929250A - Train board : en
  • US1929330A - Shipping container : en
  • DE585587C - Heat meter : de en
  • FR753011A - Device for actuating mechanical parts under the influence of radiation density : en fr
  • DE585555C - Seam to unite the butt butted edges of elastomeric knitted fabric in the form of : de en
  • FR753101A - Sharp saw blade for butcher's shop : en fr
  • GB399213A - Improvements in or relating to the manufacture of rubber goods : en
  • GB399809A - An improved safety cut-off valve for oil-fired boiler installations : en
  • CA336059A - Transmission mechanism : en fr
  • CA336118A - Mandrel : en fr
  • GB399249A - Improvements relating to electric switches for use in conjunction with weighing apparatus : en
  • GB399316A - Improvements in controllers for electric motors : en
  • GB399220A - An automatic remote controller for starting and stopping internal combustion engines : en
  • DE585562C - Crank press for pre-pressing and re-pressing with higher pressure : de en
  • US1929314A - Sun visor : en
  • US1928805A - Process of impregnating fiber board with alpha salt : en
  • GB399214A - A clock with combined electrically operated audible and visible appointment and likereminders : en
  • FR753104A - Process for the preparation of 4-amino-1, 8-naphthalene-dicarboxylic acid imide and its derivatives : en fr
  • GB399510A - Improvements relating to screw-down valves, cocks and taps : en
  • US1928694A - Cementing machine : en
  • US1928692A - Dam structure : en
  • US1929375A - Means for sealing open head drums : en
  • US1928674A - Engine starter : en
  • US1928769A - Lock nut : en
  • US1928684A - Four-wheel drive : en
  • US1928799A - Nestable pyramidal flower garden unit combination : en
  • GB399200A - Improvements in bobbins for spinning machines : en
  • FR753010A - Further training in filtering devices : en fr
  • FR753005A - Remote control installation by superimposed currents : en fr
  • DE585708C - Process for the application of galvanic metal coatings on chrome and chrome alloys : de en
  • DE585350C - Ignition device for mercury vapor glass rectifier : de en
  • DE585482C - Security device against theft of motor vehicles : de en
  • DE585293C - Rotating grate with a horizontal axis of rotation : de en
  • FR752951A - New process for manufacturing seamless chains : en fr
  • CA336176A - Rotary kiln : en fr
  • US1928865A - Electrical connecter : en
  • US1929293A - Electrical switch gear : en
  • DE585550C - Frame for framing : de en
  • DE585695C - Device for trimming capsules : de en
  • FR753036A - Asphalt manufacturing process : en fr
  • GB399483A - Improvements relating to electric motor control gear : en
  • GB399298A - Sewage treating apparatus : en
  • GB399464A - Means of dispensing liquids and of administering liquids to animals : en
  • DE585445C - Device for controlling electric motors, in particular hoist drive motors, the speed of which can be influenced automatically as a function of a second control process : de en
  • FR753032A - Plywood door : en fr
  • GB399371A - Improvements in cylinder printing machines : en
  • DE585660C - Feeding device for roller frames for grinding grain : de en
  • GB399466A - Improvements in or relating to joints : en
  • DE585571C - U-shaped pressed safety comb for razors : de en
  • FR752982A - Improvements in processes for the decomposition of hydrocarbons : en fr
  • DE585425C - Production of a magnesium carbonate trihydrate suitable for potash production : de en
  • GB399270A - Improvements relating to the leashing of hanks of yarn : en
  • US1928971A - Well survey instrument : en
  • DE585303C - Device for deleting magnetic sound recordings : de en
  • GB399389A - Method and apparatus for producing metal castings under pressure : en
  • US1928623A - Method of and apparatus for producing motion pictures : en
  • US1928775A - Internal combustion engine : en
  • FR752946A - Further training in analysis systems for telecinematography or television : en fr
  • FR752889A - Frequency adjustment mode of an oscillating circuit : en fr
  • DE585691C - Molded veneer press : de en
  • FR752857A - Process for protecting against deterioration of oils contained in electrical devices : en fr
  • FR752999A - Device for opening containers with lids fixed to them in an airtight or inviolable manner : en fr
  • FR752915A - Improvements to installations for the evacuation and destruction of household waste in closed circuits : en fr
  • DE585677C - Device for operating, in particular for parallel operation, of asynchronous generators with other generators : de en
  • FR752961A - Pipe sinking process in aquifers : en fr
  • US1928993A - Wiper mechanism for fruit driers : en
  • US1929190A - Quick detachable coupling : en
  • FR753024A - Metallic Coated Electrical Switch Refinements : en fr
  • FR753068A - Improvements in the use of test tubes or similar articles used for heating in scientific laboratories : en fr
  • GB399307A - Improvements in tipping devices for road motor vehicles and the like : en
  • US1928833A - Casing head : en
  • CA336147A - Ammonium sulphate production : en fr
  • FR753016A - Artificial incubator : en fr
  • DE585706C - Self-collecting hand dryer that dispenses detergent and a certain amount of hot air for drying when a coin is inserted and issues a token : de en
  • US1928680A - Punching machine : en
  • US1928955A - Plow : en
  • GB399403A - Improvements in and relating to winding frames for bottle-shaped and tapered bobbins : en
  • DK47821C - Device at Column Tables. : da en
  • FR752984A - Axle box : en fr
  • GB399494A - Improvements in or relating to electric signalling systems : en
  • DE585135C - Arrangement for controlling devices on the route through the moving conveyor container in pneumatic tube systems or similar systems : de en
  • US1928689A - Machine for treating heels : en
  • US1929109A - Mail sorting chute : en
  • US1929177A - X-ray tube shield : en
  • FR752856A - Fighter plane allowing centralized fire : en fr
  • FR752867A - Aviation engine automatic tuning process : en fr
  • FR752977A - Fixing system for heel or rubber sole : en fr
  • DE585360C - Vaginal irrigation device : de en
  • DE585464C - Method of cutting conical screwdrivers : de en
  • DE585312C - Friction clutch, especially for gear change transmissions of motor vehicles : de en
  • DE582251C - Process for the production of a wire which is provided with a poorly conductive coating by electrolytic means and which is to be cut into sections : de en
  • DE585325C - Device for the remote transmission of measured values, in particular the information from flow meters : de en
  • DE585678C - Protection circuit for AC welding systems with high open circuit voltage : de en
  • GB399296A - Improvements in or relating to the manufacture of loud speakers : en
  • DE585570C - Sausage filling machine : de en
  • GB399323A - Automatic cut-off for calorimeters : en
  • GB399490A - Thermal switches, more especially for use in automatic fire alarm devices : en
  • DE585358C - Device for removing harmful components, in particular sulfur dioxide, from flue gases : de en
  • DE585639C - Needle film machine : de en
  • GB399247A - Improvements in cylinder grinders : en
  • FR753042A - Reversible Accordion Fold Cards : en fr
  • GB399523A - Improvements in or relating to power transmission mechanism : en
  • CA336191A - Metal threshold : en fr
  • DE585523C - Cable connection for railway safety devices : de en
  • DE585674C - Branch terminal for electrical lines : de en
  • US1928653A - Clinching machine : en
  • DE585451C - Device for measuring the eccentricity of gears : de en
  • DE585366C - Separator for unvulcanized rubber threads : de en
  • US1928815A - Printing press : en
  • US1929257A - Wheeled toy : en
  • DE585477C - Device for the production of cinematographic combination images : de en
  • GB399259A - Lamp-shipping gear : en
  • US1928618A - Hat lining : en
  • FR753116A - Foam generator for fire fighting : en fr
  • DE585526C - Single armature converter system : de en
  • DK47827C - Stand for Gas stove or similar. : da en
  • FR753001A - Process for the preparation of condensation products of methyl urea compounds : en fr
  • GB399429A - Improvements in or relating to expansible stopper devices for use on bottles and thelike : en
  • GB399452A - Improvements in converging achromatic eye-pieces : en
  • DE585351C - Process for the production of azo dyes : de en
  • DE585557C - Device for impregnating the thread in sewing machines : de en
  • FR752881A - Support with guide and locking device for suspension files : en fr
  • AU711932A - Protected vacuum-insulated receptacles : en
  • FR752871A - Piston improvements : en fr
  • FR753120A - Adjustable support for illuminated glasses projector : en fr
  • FR752943A - Improvements relating to telephotography, telecinematography, television, etc. : en fr
  • US1928710A - Method and apparatus for controlling the movement of counterbalanced structures : en
  • GB399294A - Process for separating separate kinds from a mixture of solid bodies of different specific gravity : en
  • GB399317A - Improvements relating to metal vapour lamps : en
  • DE585472C - Multi-chamber mill : de en
  • DE585512C - Finishing and softening artificial silk : de en
  • GB399392A - Improvements in or relating to wrapping machines for confections, sweetmeats or likearticles : en
  • FR752985A - Compass for drawing ellipses and circles of any size : en fr
  • DE585631C - Device for displaying measured values using streaming media : de en
  • AU939632A - An improved electric water heater : en
  • GR4354B - MACHINE MAKING MADE OF LINEN WITH EC RUBBER SOLE. : el en
  • CA336133A - Thermostatic switch : en fr
  • GB399511A - Improvements in or relating to chicken brooders : en
  • CA336087A - Electric switch : en fr
  • CA336199A - Mirror for watches : en fr
  • US1929227A - Table for ironing machines and the like : en
  • US1929087A - Tension roll : en
  • US1929301A - Feeding apparatus for plastic mixtures : en
  • US1929164A - Making nut blank : en
  • DE585372C - Exchangeable flow throttle with the smallest width for measuring purposes : de en
  • CA336074A - Grate : en fr
  • CA336040A - Multiple thermostat : en fr
  • FR752917A - Built-in bathtub : en fr
  • CA336061A - Burglar alarm system : en fr
  • FR752878A - Method for establishing irrigation conduits : en fr
  • US1928780A - Priming mixture : en
  • US1929323A - Apparatus for forming enchained stitching loops : en
  • US1929116A - Self-locking bolt : en
  • US1928706A - Mist extractor : en
  • US1929014A - Recovery of metallic oxides from ores : en
  • CA336177A - Rotary kiln : en fr
  • US1929269A - Apparatus for automatic form turning lathes : en
  • US1928974A - Carburetor : en
  • US1928637A - Brake for woodworking machines : en
  • US1929068A - Matrix roller : en
  • US1929171A - Mounting for wall fixtures and the like : en
  • USD90797S - Design for a body for a tot wagon : en
  • US1928880A - Boiler cleaner : en
  • FR752898A - Process for the preparation of new products for washing, cleaning, pickling and similar uses and products obtained by this process : en fr
  • FR752920A - Improvements to the treads : en fr
  • US1929287A - Apparatus for forming concrete floors : en
  • US1929361A - Suction foot for paper separating devices : en
  • US1928925A - Indexing mechanism for multiple spindle machines : en
  • GB399476A - Improvements in or relating to means for resisting the passage of high frequency electrical impulses through electric power transmission wires : en
  • US1928647A - Manufacture of sulphonated condensation products of aromatic compounds : en
  • US1929128A - Weeding hoe : en
  • DE585618C - Masonry bricks : de en
  • GB399401A - Improvements in or relating to the manufacture of steels and alloy steels : en
  • FR752921A - Method and devices for making ornaments made of artificial flowers or leaves, such as, for example, funeral wreaths and the like : en fr
  • GB399808A - Improvements in variable speed take-up mechanism : en
  • US1928862A - Locomotive boiler : en
  • US1928770A - Machine for chamfering gears : en
  • GB399542A - Improvements in and relating to combined cinematograph cameras and projectors : en
  • DE585334C - Intermediate channel of a die setting and line casting machine with guide strips for the die guide : de en
  • DE585369C - Ellipse case zero circle : de en
  • DE585744C - Flooding evaporator for refrigeration machines : de en
  • FR752949A - Self-collimating device : en fr
  • GB399418A - Improvements in fruit presses : en
  • DE585689C - Device for the continuous production of glass tubes : de en
  • DE585318C - Process for the treatment of solid or liquid substances with gases or vapors : de en
  • DE585583C - Pipe wrench : de en
  • DE585522C - Monitoring for earth faults in DC signal boxes : de en
  • US1929349A - Apparatus for separating oxygen and nitrogen in air : en
  • US1929161A - Package for sheet material : en
  • US1929355A - Rotary linen finish calender : en
  • US1928677A - Pose-reflecting photographic apparatus : en
  • US1929107A - Massaging machine : en
  • US1928830A - Process for the recovery of alpha hormone of the anterior lobe of the pituitary gland : en
  • US1929071A - Venetian blind : en
  • DE585409C - Process for enamelling iron sheets : de en
  • FR752994A - Liquid fuel cutting and welding torch : en fr
  • GB399388A - Improvements in earthing devices for electrical apparatus : en