• US2028971A - Spark plug : en
  • DE608853C - Negative resistance : de en
  • DE624967C - Process for temperature control during bright annealing of layered glowing material under thin protective hoods : de en
  • US2029112A - Ventilating attachment for pressing machines : en
  • SU45572A1 - The method of processing of mixed sulfide ores of copper : en ru
  • PL22563B1 - Sound film and the method of its production. : en pl
  • SU45838A1 - The method of preparation of bituminous paving, facing and waterproofing clothes : en ru
  • US2029219A - Dispensing container : en
  • FI16901A - Förfaringssätt framställning av icke-järn-metaller, särskilt Cu, Ni, Co : en fi
  • GB441901A - Improvements in or relating to electric condensers : en
  • USD98335S - Design for a shoe : en
  • SU45854A1 - Sugar production method : en ru
  • US2029182A - Furniture spring suspension : en
  • PL22588B1 - Device for pneumatic control of adjusting devices of internal combustion engines. : en pl
  • US2028882A - Dental restoration : en
  • US2028892A - Type clamp : en
  • US2029225A - Insect destroyer : en
  • USD98348S - Design fob a shoe : en
  • PL22507B1 - Shoe and leather paste of all kinds. : en pl
  • SU45658A1 - Isolation device for high voltage machines and apparatus : en ru
  • SU45803A1 - Photographic camera for records or flat strips : en ru
  • US2029084A - Flowerpot making machine : en
  • PL22528B1 - Cap for bottles or other containers. : en pl
  • PL22577B1 - Die for centrifugal casting. : en pl
  • CH182066A - Machine for shredding documents, drawings and the like. : de en
  • SU45825A1 - Method of cutting fabric, paper, etc. burning : en ru
  • SU45832A1 - Device for stringing tobacco leaves : en ru
  • PL22554B1 - Fire extinguishing device for generating water jets or foam. : en pl
  • US2028890A - Riveting mouse : en
  • SU45645A1 - Quartz oscillator : en ru
  • US2029088A - Process for tanning : en
  • FR793671A - Improvements to towed vehicle couplings : en fr
  • PL22556B1 - Protective plate for the manufacture of oven screens. : en pl
  • USD98362S - Design fob a plug valve body : en
  • US2029139A - Ash receptacle : en
  • CH182021A - Ejection centrifuge. : de en
  • USD98314S - Design fob an upholstery fabric : en
  • CH182217A - Receiver device for telecommunications. : en fr
  • CA355580A - Hot water system : en fr
  • CH182103A - Device for location determination for air traffic and shipping. : de en
  • US2028867A - Shears and scissors : en
  • USD98289S - Design foe a shoe : en
  • DE624948C - Iron pit lining made of profile iron : de en
  • ES139354A1 - Procedure to effect the drying of liquids and wet materials. : en es
  • CH182004A - Closure for bottles, barrels and other containers that is suitable for tapping them. : de en
  • SU45860A1 - Device for adjusting the constant illumination of visions : en ru
  • DK51190C - Dentures or denture blanks as well as Procedures for the manufacture of suitable vinyl resin compositions. : da en
  • DE624788C - City suitcase : de en
  • DE624803C - Process for producing multicolored fired enamel goods : de en
  • FR793812A - Box spring or mattress, in particular for sick beds : en fr
  • CH182115A - Extinguishing device for the counters of machines in which arithmetic operations take place, in particular of calculating machines and adding machines. : de en
  • SU45746A1 - Table scales : en ru
  • US2029265A - Multirow cylindrical roller bearing : en
  • ES140445A1 - Improvements in the mechanism of height adjustable chairs for doctors, dentists, hairdressers and analogous. : en es
  • FR793769A - Harvester-binder : en fr
  • CH182276A - Process for the preparation of an azo dye. : de en
  • CH182064A - Device for the production of carbonated water. : de en
  • FI16922A - Double hinge of the window : en fi
  • FR793646A - Improvement in mouthpieces of flutes : en fr
  • PL22519B1 - Bumper, especially for railway vehicles. : en pl
  • SU45754A1 - Device for the study of physical properties of the soil : en ru
  • CH182005A - Automatic bottle washing machine. : de en
  • CA355678A - Temperature regulating system for trains : en fr
  • CH182001A - Children's toilet seat. : de en
  • US2028774A - Automatic cultivator : en
  • USD98304S - Similab aeticle fob weabing ap- : en
  • ES3014Y - Regulatory visor for vehicles. : en es
  • FR793526A - Process for improving the properties of titanium dioxide pigments : en fr
  • FI16894A - Mattress with zipper : en fi
  • US2028818A - Printing telegraph system : en
  • SU45842A1 - Machine for cutting and feeding the required quantity of meat and similar products into cans : en ru
  • US2029031A - Dental floss holder for toothbrushes : en
  • US2029162A - Bar clamp for belts : en
  • USD98351S - Design fob a shoe : en
  • DE624865C - Modification of the process to increase the durability of photographic silver halide layers : de en
  • GB442033A - Chemically pure starch and method of purification and separation of same : en
  • US2029136A - Time element device : en
  • CH182253A - Bogie. : de en
  • SU45592A1 - A machine for covering calendar folders, etc. paper or calico shirt : en ru
  • SU45727A1 - The method of plastering wood surfaces : en ru
  • US2028780A - Electric arc welder : en
  • ES3714Y - Laboratory alembic : en es
  • GB441944A - Improvements in and relating to roller blinds : en
  • US2028767A - Tape guide mechanism for quotation projectors : en
  • US2028927A - Apparatus for making laminated glass : en
  • DE624304C - Quick coupling : de en
  • DE625029C - Pricking device for attachment to sewing machines : de en
  • US2029171A - Brush for motors and generators : en
  • GB441782A - A process for the manufacture of bitumen dispersions : en
  • GB442001A - Improvements in and relating to preserving rubber : en
  • CH182301A - Plucking machine. : de en
  • SU45698A1 - The method of gluing metal with metal, wood, cardboard, etc. : en ru
  • DE624842C - Drying of gases : de en
  • SU45622A1 - Device for dropping excavated excavator wheel : en ru
  • US2029074A - Attachment for typewriters : en
  • DE624744C - Device for damping the torsional vibrations of motor vehicles and. like : de en
  • CH182218A - High frequency cables. : de en
  • DE624796C - Flow meter for gases and liquids : de en
  • ES3732Y - A new device claim : en es
  • US2029244A - Driving mechanism : en
  • PL22545B1 - Railcar. : en pl
  • US2029027A - Strip record supporting and driving apparatus : en
  • US2029187A - Clutch mechanism : en
  • US2029260A - Method of making adhesive tape and gauze dressings : en
  • US2029217A - Traffic signaling system and apparatus : en
  • US2029264A - Manufacture of calcium arsenate insecticides : en
  • FR793741A - Improvements to assemblies comprising thermionic lamps : en fr
  • DE624767C - Process for processing acidic resin and waste sulfuric acid in the petroleum industry : de en
  • FR793670A - Device for traffic regulation on roads : en fr
  • FR793675A - Measuring device automatically giving shoe sizes in length and width : en fr
  • GB441780A - Improvements in dredging machines, excavators, and similar apparatus : en
  • GB442063A - Improvements relating to reciprocating pumps : en
  • GB442279A - Improvements in or relating to lockable freewheel transmission mechanism : en
  • ES140488A1 - A procedure for the electrolytic preparation of esters. : en es
  • GB442044A - Improvements in and relating to automatic firearms : en
  • CH182192A - Overcurrent switch. : de en
  • CH182193A - Adjustable choke coil. : de en
  • USD98388S - Design for a cycle saddle seat : en
  • CH182173A - Heat exchange device for cooling, dehumidifying, respectively. Warming air or other gases. : de en
  • ES3735Y - Mold for the manufacture of rubber soles : en es
  • FR793796A - Improvements to locks for doors, and the like : en fr
  • ES139662A3 - Improvements introduced in the manufacture of illuminated signs. : en es
  • US2028834A - Coal cleaning apparatus : en
  • US2028896A - Spark plug : en
  • CA355591A - Suction cleaner : en fr
  • DE624954C - Material for molds for the production of centrifugally cast pipes : de en
  • US2029071A - Telegraph signaling apparatus : en
  • US2029193A - Racket frame : en
  • FR793716A - Improvements in the stabilization and preservation of rubber latex : en fr
  • FR793560A - Filling lance for automobile tanks and the like : en fr
  • GB441827A - A horizontal conveyer with scrapers and with one or more cables : en
  • CH182017A - Device for dyeing and finishing strands, in particular made of artificial silk. : de en
  • USD98306S - Design for a cycle saddle seat : en
  • SU45666A1 - Device for stabilizing the operation of alternating current alternator : en ru
  • SU45807A1 - Cut-off safety device to prevent overloading of mechanical presses : en ru
  • US2028785A - Trimming mechanism for bookbinding machines : en
  • US2029113A - Telephone coin collector : en
  • SU45745A1 - Device for measuring the speed of gas or steam in pipelines : en ru
  • SU45828A1 - A method of making reusable matches : en ru
  • US2029206A - Method and machine for drawing or pulling wire : en
  • US2029081A - Machine for making insulating : en
  • USD98350S - Design fob a shoe : en
  • DE624777C - Eintionization device for extinguishing alternating current arcs : de en
  • GB441835A - New fuel : en
  • US2029066A - Method of measuring the hardness of abrasive disks : en
  • BE412905A - : en fr
  • CH182048A - Process for the production of a chromium-containing dye. : de en
  • CH182274A - Process for the preparation of an azo dye. : de en
  • US2028761A - Method of treating cellulose esters of organic acids : en
  • FR793597A - Curtain and slit photographic shutter : en fr
  • GB441990A - Improvements in and relating to lubricating apparatus and control systems for power plants : en
  • ES3725Y - Vehicle license plate : en es
  • GB441914A - Improvements relating to automatic arc lamp mechanism : en
  • GB442214A - Improvements in and relating to that mechanism which is generally known as bowden mechanism : en
  • FR793611A - Improvements to methods and devices for adapting the operation of compressed fluid generators to that of receiving machines such as turbines : en fr
  • FR793570A - Advanced assembly mechanism for letterpress typesetting machines : en fr
  • FR793626A - Improvements to measuring devices : en fr
  • DE624765C - Process for the production of azo dyes on the fiber : de en
  • DE624896C - Mattress, seat or the like : de en
  • DE615366C - Negative resistance : de en
  • SU45814A1 - Small rounding device : en ru
  • FR793834A - Process for the pressurized hydrogenation of coal : en fr
  • FR793606A - Tensioner derailleur device for cycle chain : en fr
  • ES140495A1 - A switch system for extinguishing the electric arc by a stream of fluid under pressure. : en es
  • FR793575A - Pipe section with ancillary components and fittings established for quick coupling : en fr
  • GB441803A - Improvements in centrifuges : en
  • DK51182C - Apparatus for Whipping Cream. : da en
  • ES3687Y - Cover with vent lantern : en es
  • FR793576A - Process for manufacturing naphthalene derivatives and resulting products : en fr
  • USD98365S - Design for a table : en
  • US2028819A - Breaking plow : en
  • US2029076A - Inner spring mattress : en
  • US2029077A - Process for the production of colored photographs, particularly in natural colors, on papers, films, and the like : en
  • ES4413U - A wetting device for brush of strips of gummed paper to seal packages (Machine-translation by Google Translate, not legally binding) : en es
  • FR793814A - Electric water heater : en fr
  • FR793764A - Dispensing device, especially for liquid soap : en fr
  • US2029232A - Reversible flusher for cleaning automobile water cooling systems : en
  • GB441795A - A new or improved air eliminator for water systems : en
  • US2028978A - Matrix and method of manufacturing the same : en
  • ES139455A1 - PROCEDURE FOR TELEVISION TRANSMISSION : en es
  • FI16885A - Signaling for the purpose of the environment and the banana : en fi
  • FR793512A - Method and installation for ventilating gas shelters and other closed enclosures : en fr
  • CH182107A - Hydraulic testing machine. : de en
  • US2029222A - Camera attachment : en
  • USD98339S - Design fob a shoe : en
  • SU45718A1 - Apparatus for removing gadfly larvae from animal skin : en ru
  • SU45811A1 - Barrel tongue : en ru
  • USD98338S - Design for a shoe : en
  • USD98384S - Design fob a book end : en
  • USD98402S - Design fob a smoking stand : en
  • GB442222A - Movable conveyor floors : en
  • ES139658A1 - Procedure for the manufacture of metal coated asbestos gasket plates. : en es
  • ES3632Y - A laminar hat : en es
  • ES3745Y - Rubber Balloon Valve : en es
  • FR793807A - Paper feed mechanism for accounting machines and similar applications : en fr
  • ES140500A3 - Air conditioning system using conditioned units. : en es
  • GB441915A - The manufacture of vat dyestuffs containing two thiazole rings : en
  • GB442025A - Improvements relating to the liquid cooling systems of internal combustion engines : en
  • US2029128A - Stamp : en
  • DE624814C - Carrying device for ladies bicycles : de en
  • US2029070A - Hydraulic safety brake for automobiles : en
  • US2029119A - Phonograph mechanism : en
  • GB442030A - Improvements in rotary tubular furnaces : en
  • USD98398S - Design for a hand mirror : en
  • US2028918A - Foldable screen : en
  • US2029072A - Antifriction bearing and seal : en
  • US2029143A - Venetian blind and mechanism for operating the same : en
  • CH182007A - Lifting element control on thread processing textile machines. : de en
  • DE624798C - Hook lock for watch strap : de en
  • DE624988C - Process for producing soluble starch : de en
  • ES1999Y - Vulometric water meter (rotary piston) characterized by the motor mechanism case coupled to the clockwork mechanism. : en es
  • FR793583A - Advanced method for the purification of zircon : en fr
  • FR793849A - Sound receiver for telephone systems : en fr
  • GB441950A - Improvements in and for use in connection with apparatus for milking cows : en
  • GB442020A - Improvements in the production of cellulose : en
  • GB442019A - Improvements in ejectors for vacuum brake apparatus for railway and like vehicles : en
  • DE624996C - Feedback for telephone stations : de en
  • CH182116A - Apparatus for the electromagnetic recording of sounds and their reproduction. : en it
  • DE624748C - Card with two cleaning and pre-opening devices arranged in front of the drum : de en
  • CA355558A - Pliers : en fr
  • SU45881A1 - The method of extraction of sugar by diffusion of beet chips : en ru
  • SU45690A1 - Secondary electronic amplifier : en ru
  • FR793593A - Penumatic mannequin for costumes and fabrics : en fr
  • FR793683A - Safety razor : en fr
  • SU45827A1 - Cages for hoods with endless straps : en ru
  • USD98322S - Design for a platter : en
  • SU45715A1 - A method of making a grinder from the guts : en ru
  • SU45876A1 - Centrifugal friction clutch : en ru
  • GB441917A - Improvements in and relating to circuit arrangements for effecting the exchange of energy between alternating current and direct current mains networks : en
  • FR793709A - Remote control for airtight aircraft cabin : en fr
  • ES140042A3 - Improvements in electric incandescent lamps or discharge tubes. : en es
  • FR793698A - New intermediate product and dyes derived from it : en fr
  • FR793644A - Cotton thread or other darning material : en fr
  • GB442088A - Improvements in and relating to nozzle assemblies for collapsible metal tubes and the like : en
  • DE624802C - Fluid gear with wing pistons and pressure chambers to compensate for the axial pressure on the rotor : de en
  • ES139081A1 - Source equipment for the automatic supply of purified water. : en es
  • US2028809A - Piano keyboard chart : en
  • US2028842A - Ink pad for rubber stamps : en
  • PL22539B3 - A method of continuously producing bleaching liquors. : en pl
  • SU45603A1 - Water Tube Steam Boiler : en ru
  • DE625003C - Process for coating fillers and fibers with resins made from aromatic amines and aldehydes : de en
  • DE624976C - Process for the production of nitrogen-containing polyvinyl derivatives : de en
  • DE625031C - Device for mixing tobacco leaves : de en
  • DE1361680U - : de en
  • GB441954A - Improvements in or relating to fuel-injection pumps for internal combustion engines : en
  • SU45627A1 - Device for mechanical pulling of dial hands of electrical interlocking devices with dependence box : en ru
  • US2028891A - Machine stand and cabinet : en
  • DE624737C - Blood feed mixture : de en
  • SU45647A1 - Amplifier : en ru
  • US2029275A - Radial plain bearing for grease lubrication : en
  • ES3769Y - A new model of one-piece suit : en es
  • FR793791A - Device used to determine the elements of a fire in front of a mobile goal and intended for fire control devices for defense against aircraft : en fr
  • CH182065A - Fresh water treatment plant. : de en
  • CH182031A - Process for the preparation of a cookie dough. : en fr
  • CH182295A - Process for the production of a vat dye. : de en
  • US2029168A - Sulphonated higher unsaturated carboxylic esters of polyhydroxy substances : en
  • CH182153A - Internal combustion free-piston compressor with at least one internal combustion cylinder arranged between two compressor cylinders. : de en
  • CH182050A - Process for the preparation of a water-insoluble disazo dye of the benzidine series. : de en
  • ES4403U - A special stove (Machine-translation by Google Translate, not legally binding) : en es
  • CA355618A - Ketene reaction product manufacture : en fr
  • US2029140A - Bushing for transformer casings : en
  • DE624718C - Removable milk container with a lockable lid to be attached to a door : de en
  • CH182291A - Process for the production of a new azo dye. : de en
  • DE624753C - Synchronization device for clockworks with flow regulator with oscillating spring (siren spring regulation) : de en
  • CH182092A - Ski binding. : de en
  • SU45744A1 - A device for measuring the volume of cylinder compression chambers for internal combustion engines : en ru
  • US2028939A - Follower for steering gears for vehicles : en
  • CH182224A - Can be shortened. : de en
  • AU2349935A - Corrigendum : en
  • DE625020C - Process for the production of tonal correct raster copy templates : de en
  • ES140141A1 - Procedure for the loading of gasogens intended for vehicles. : en es
  • ES3718Y - A clipping device for drawings : en es
  • ES2316Y - Folding chair. : en es
  • FR793751A - Filtering method and apparatus : en fr
  • SU45582A1 - Automatic locking track device for trolleys moving in one direction : en ru
  • US2028792A - Preparation of alkoxy fatty acid esters of cellulose : en
  • ES3615Y - Elastic tape with rubber threads arranged in two parallel groups separated by a part of stretchable fabric without threads so that it serves for the placement of eyelets and similar purposes : en es
  • GB442018A - Improvements in fountain pens : en
  • USD98373S - Design fob a bottle : en
  • USD98394S - Design for a lighting unit : en
  • ES139660A1 - A new process for the manufacture of ceramic tubes. : en es
  • CH182034A - Shredding device, especially for solid pieces of meat, cartilage and the like. : de en
  • FR793514A - Improvements to needle extraction systems or perforating device probes : en fr
  • FR793694A - Suction grain cleaner : en fr
  • GB441842A - Improvements relating to clockwork operated electric switches : en
  • FR793837A - Lamp from t. s. f. perfected : en fr
  • US2029114A - Stone saw : en
  • USD98359S - Design for a shoe : en
  • AU2208235A - Improved thermally controlled switching device applicable to electric apparatus : en
  • SU45691A1 - Device for amplifying photocurrents : en ru
  • SU45826A1 - Wool Blending Device : en ru
  • US2029015A - Antenna : en
  • US2029249A - Mobile ground working device : en
  • USD98375S - Design for a jewelry charm or : en
  • DK51198C - Procedure for the manufacture of utensils, such as dishes or similar containers, with metal coatings. : da en
  • ES140489A1 - A procedure to obtain elastic yarn. : en es
  • FR793540A - Reinforcement pieces such as heels or toes, intended to be fixed on the shoes : en fr
  • US2029238A - Camera mechanism : en
  • DE624929C - Group chipping plant : de en
  • IE14219L - Shoe with orthapaedic insertion. : en
  • GB442005A - Improvements in trawl nets : en
  • USD98305S - Similar abticle fob weabing ap- : en
  • GB441928A - Improvements in water turbines : en
  • GB441805A - Process for the production of preparations containing the active constituents of vegetable products : en
  • US2029127A - Power lift clutch mechanism : en
  • DE624693C - Process for the preparation of alkyl and aralkyl chlorides or bromides : de en
  • DE624907C - Roller guide for sliding gates : de en
  • USD98296S - Design for a musical instrument : en
  • DE624844C - Process for the production of low-boiling hydrocarbons which have not been saturated with hydrogen : de en
  • CH181995A - Cloakroom holder and method of making the same. : de en
  • ES3729Y - A tensioning string with a new annulled cover for clothing use : en es
  • US2029177A - Game apparatus : en
  • SU45659A1 - Device for controlling the speed of the coil with an electric conductor on carts : en ru
  • US2029271A - Conveyer weighing apparatus : en
  • FR793558A - Indirectly heated cathode for electric discharge tubes : en fr
  • FR793568A - Gear shifting for cycles, motorcycles and similar vehicles : en fr
  • GB442438A - Improvements in silencers for internal combustion engines : en
  • PL22496B1 - Electric typewriter with a rotating type cylinder. : en pl
  • SU45634A1 - Signaling device for the termination of the buzzer current on automatic telephone stations : en ru
  • SU45678A1 - Radiation measurement method : en ru
  • DE624874C - Device for distributing and cooling sugar u. like : de en
  • ES139380A1 - A new electromagnetic limiting device, designed to fix the consumption of electrical fluid in the installations. : en es
  • PL22590B1 - Rim, especially for wheels of railway vehicles. : en pl
  • SU45726A1 - Method and device for drawing sheet glass : en ru
  • DE624999C - Device for securing electrical lines at the entry points protected by cord guards against tension and rotation : de en
  • DK51195C - Facilities for Heating, Cooling or Ventilation of Seated Rooms. : da en
  • DK51204C - Box with Insert Container for Powder. : da en
  • US2029007A - xcoxch : en
  • US2029261A - Soybean phosphatides : en
  • DE624475C - Method and machine for cutting the heel seat surface of soles attached to the bottom of the shoe : de en
  • FI16908A - Ljuddämpare för förbränningsmotorer : en fi
  • FR793727A - High efficiency wind motor : en fr
  • GB441922A - Improvements relating to cooked foods : en
  • US2028844A - Valve : en
  • US2028878A - Adhesive applying mechanism : en
  • FR793841A - Cellulose esterification process : en fr
  • GB441862A - Improvements in or relating to frequency-selective electrical devices : en
  • GB442219A - Material for making dressings, bandages and the like, and method for producing the same : en
  • ES3776Y - Metal shelving : en es
  • FR793618A - Further training in central heating : en fr
  • FR793640A - Pressure generator for the direct use of compressed gases from explosions or internal combustions : en fr
  • US2028776A - Cellulosic articles and method of preparing the same : en
  • ES3763Y - A device to pierce cans or drums and transfer the liquids contained in them : en es
  • FR793585A - Improvements to play take-up devices, in particular for brakes : en fr
  • ES139592A3 - Continuous greasing device for consistent grease. : en es
  • GB442042A - Improvements in or relating to drive transmission mechanism : en
  • GB441840A - Improvements in or relating to mountings for shears and like tools : en
  • DE624722C - Process for the separation of light metal alloys : de en
  • ES3421Y - Nestable barrel with cylindrical closure especially for military rifles : en es
  • GB441865A - Improvements relating to securing boxes, bales and the like : en
  • DE625000C - Electric blow magnet for electric arc welding heads : de en
  • DE624781C - Control for electrode drives in electric ovens : de en
  • DE624959C - Swing : de en
  • DE624677C - Process for the production of base exchangers : de en
  • ES138939A1 - An industrial procedure that consists in the use of the magnetic field created in the transformers and autotransformers of alternating current to act on a mobile iron mass interposed in the already mentioned magnetic field, and whose var : en es
  • FR793732A - Band filter consisting of two circuits with capacitive coupling : en fr
  • FR793785A - Guiper machine : en fr
  • FR793843A - Advanced gas mask : en fr
  • DK51201C - Process for the production of dense, corrosion-resistant oxide layers on aluminum and aluminum alloys. : da en
  • SU45574A1 - Flooring clamping device : en ru
  • SU45768A1 - Roofing machine : en ru
  • FI16929A - Grain dryer : en fi
  • ES139572A2 - IMPROVEMENTS IN THE CINEMATOGRAPHIC PROJECTION SUBJECT TO THE MAIN PATENT : en es
  • DE624821C - Local line disc for fire union : de en
  • CH182282A - Process for the preparation of a red monoazo dye. : de en
  • FI16884A - Anordning för omställning av utväxlingsförhållandet vid fordonsbromsar : en fi
  • FR793619A - Electromagnetic relay intended to react for very small variations in intensity : en fr
  • FI16879A - It is clear that there is a reduction in the level of reduction : en fi
  • GB441906A - Improvements in and relating to crushing and breaking apparatus for stone and like materials : en
  • US2028854A - Sound record : en
  • US2029213A - Honeycomb construction for aircraft : en
  • USD98292S - Design for a shoe : en
  • SU45580A1 - Coal harvester for steeply dipping seams : en ru
  • US2028829A - Transportation vehicle : en
  • US2028895A - Spring support for conductors : en
  • GB441785A - A combination leg rest, bed table and bed rest : en
  • GB442065A - Fastener for trim panel and the like : en
  • DE624879C - Ignition system, especially for motorcycles : de en
  • FR793664A - Device for remote control of the engines of a railcar or a convoy from any cockpit : en fr
  • ES140427A1 - Mechanism to obtain electrically determined inclination in the parabolic reflectors of the headlights for motor vehicles. : en es
  • ES139803A1 - Procedure for testing and evaluation of bread wheats and flours. : en es
  • US2029073A - Production of sulphonic acids : en
  • US2028996A - Manufacture of cartridge case cups : en
  • GB441826A - Improvements in and relating to electric distribution systems : en
  • GB441869A - Improvements in or relating to the treatment of artificial silk : en
  • DE624779C - Photoelectric cell based on the external photoelectric effect : de en
  • FR793521A - Metal base with single tension member : en fr
  • FR793607A - Further development in the manufacture of halogenated rubber derivatives : en fr
  • DE624785C - Thread feeding device for circular knitting machines : de en
  • FR793772A - Improvements to drive devices for bicycles and other pedal vehicles : en fr
  • US2028765A - Synthesis of formic acid : en
  • ES3797Y - A locksmith : en es
  • GB442031A - Improvements in or relating to traps for land drainage in tidal areas : en
  • SU45836A1 - Method of making facing tiles : en ru
  • FI16883A - Relief valve for truck brakes : en fi
  • FR793731A - Process for the preparation of alkyl halides : en fr
  • GB442280A - Improvements in and relating to electric current converting arrangements, particularly for high voltage rectification : en
  • FR793594A - Improvements to television systems : en fr
  • SU45742A1 - Recorder for intermittent recording using a falling bow : en ru
  • FR793517A - Two-wheeled bogie wheel train : en fr
  • GB442370A - Improvements in methods of preparing secondary alkyl chlororesorcinols : en
  • SU45816A1 - Line instrument : en ru
  • USD98291S - Design fob a shoe : en
  • CA355601A - Circuit breaker : en fr
  • SU45710A1 - Method of underground coal gasification : en ru
  • SU45724A1 - A device for the continuous manufacture of various glass products, such as stoppers, photolines, etc. : en ru
  • SU45785A1 - Fitting to turning, thread milling and thread grinding machines for adjusting the thread pitch : en ru
  • SU45863A1 - Device for settling radio paths : en ru
  • FI16904A - Slot machines : en fi
  • GB441947A - Improvements in and relating to artists' colour boxes : en
  • ES140486A1 - Improvement of the mill with pre-breaker and manual operation. : en es
  • FR793755A - Process for taking advantage of residual gases from the manufacture of superphosphate : en fr
  • PL22518B1 - Tank caterpillar. : en pl
  • SU45747A1 - Automatic scales with swing bucket : en ru
  • SU45641A1 - Dual band amplifier : en ru
  • CH182184A - Clock intended to control operations according to a variable program. : en fr
  • DE624795C - Molded stone masonry made of pillar-forming blocks and with them in the bond filling panels : de en
  • ES3733Y - An apparatus for preserving milk and other liquids for treatment with electric currents : en es
  • USD98401S - Design fob a dress : en
  • CA355585A - Humidifier : en fr
  • DE624989C - Safety igniter : de en
  • DK51199C - Procedure for the manufacture of coffee substitutes of cereals of all kinds. : da en
  • ES3116Y - Device for sewing papers and cardboard that serve at the same time for the automatic formation of staples. : en es
  • FR793598A - Manufacturing process of artificial elastic materials : en fr
  • PL22510B1 - A method of producing copies of three-dimensional objects and a device designed for this purpose. : en pl
  • FR793811A - Mop manufacturing process : en fr
  • USD98368S - Design fob a buckle : en
  • FI16923A - Vacuum roller shaft unit : en fi
  • SU45655A1 - Dry galvanic battery : en ru
  • FR793663A - Aerial buoy system and their applications : en fr
  • US2029183A - Advertising sign of electric lights : en
  • GB441982A - Improvements in or relating to variable inductance coils : en
  • GB441798A - Improvements relating to pumps : en
  • GB442371A - Improvements in the splitting of hydrocarbons of high boiling point into those of lower boiling point : en
  • GB441811A - Improvements in roll towel fixtures : en
  • ES139469A1 - IMPROVEMENTS INTRODUCED IN THE CONSTRUCTION OF LOCKING DEVICES : en es
  • DE624696C - Process for the conversion of gaseous saturated hydrocarbons into hydrocarbons richer in carbon : de en
  • CH182210A - Swimming and life-saving equipment. : en fr
  • CH182272A - Process for the preparation of an azo dye. : de en
  • GB441937A - Mouth-gag for horses and cattle : en
  • DE624987C - Rinsing lab : de en
  • US2028769A - Treatment of textile or other materials : en
  • US2028869A - Bending brake : en
  • DE624717C - Collapsible couch : de en
  • BE412571A - : en fr
  • CA355636A - Automobile wheel freeing device : en fr
  • FR793704A - Rotary filter : en fr
  • USRE19837E - Nitric acid concentration : en
  • CH182201A - Stopper to be inserted into the ear canal to suppress noise. : de en
  • CA355640A - Covering for meat products : en fr
  • GB441933A - Improvements in or relating to the production of building materials similar to xylolite : en
  • CA355661A - Gearing attachment : en fr
  • CH182236A - Vehicle window support device. : en fr
  • AU101731B2 - Television reproducing method : en
  • CA355579A - Aeroplane propeller : en fr
  • AU2190035A - Improved bottle capsule and process for manufacturing thesame : en
  • CH182299A - Water treatment plant with dosing device. : de en
  • GB441839A - Improved pneumatic control switching device for lamp panels : en
  • GB442032A - Improvements in and relating to adjustable resistances or potentiometers : en
  • AU2355135A - Improvements in or relating to abrading pads or disks : en
  • CH182105A - Liquid level testers, especially for tanks. : de en
  • ES139813A3 - Automobile tire manufacturing procedure. : en es
  • US2028930A - Vibration damper and process of assembly : en
  • US2029135A - Musical instrument : en
  • DE624733C - Workpiece conveyor device for machine tools, in particular automatic swiveling machines : de en
  • FI16889A - Procedure for obtaining protein-rich substances as by-products of the vegetable oil industry, in particular from castor and sunflower seeds : en fi
  • GB441978A - Manufacture of condensation products from primary aromatic amines and formaldehyde : en
  • ES139814A1 - Improvements in aerial trailers or similar devices. : en es
  • FI16917A - Enspårigt motorfordon med katerpillarliknande kedjedrev : en fi
  • GB441784A - Process for improvement of quality of coke in coke ovens : en
  • GB442069A - An improved method of producing teething rings for children : en
  • US2029064A - Carcass scraper : en
  • ES140435A1 - A new heavy oil gasification system. : en es
  • US2029266A - Regulator : en
  • FR793765A - Process for preserving offset prints and the material used in this process : en fr
  • FR793819A - Device for coupling shafts : en fr
  • DE624894C - Production of valuable, physiologically active substances from slaughterhouse waste : de en
  • FI16932A - Braking device for the bobbin of a weaving machine, in particular a ribbon weaving machine : en fi
  • CA355695A - Filter : en fr
  • DE624920C - Vorwerkstueck for the production of disc wheels with rim : de en
  • FI16903A - For a cubing hypometer : en fi
  • FR793686A - Tile cutting machine : en fr
  • DE624633C - Process for the production of closed, short-circuit-proof and overcurrent-carrying fuses : de en
  • FR793625A - Improvements to electrical and magnetic measuring and control devices : en fr
  • CH182231A - Rifle. : de en
  • SU45821A1 - Revolver and rifle with additional cameras : en ru
  • US2029105A - Valve : en
  • PL22509B1 - A wall with internal channels to guide exhaust gases in the generators. : en pl
  • US2028964A - Ball bearing : en
  • AU1976334A - High frequency transformer, more particularly for television purposes : en
  • CA355664A - Insulating body for radio apparatus : en fr
  • SU45735A1 - The method of manufacture of thermal insulation material : en ru
  • US2029008A - Means for and method of masking : en
  • US2029044A - Process of making cables : en
  • US2029239A - Anthraquinone derivatives : en
  • CH182187A - Electric circuit breaker. : de en
  • DE624872C - Device for displaying time differences : de en
  • GB441872A - Fuel injection pumps for diesel engines with solid injection : en
  • GB442003A - Improvements in high frequency signalling systems : en
  • DE625015C - Fire door or flap for fire doors : de en
  • US2029025A - Method of freezing ice cream and formula therefor : en
  • CA355606A - Incandescent lamp filament feeding apparatus : en fr
  • US2028926A - Water cooler for refrigerators : en
  • US2029034A - Pressed fiber board and method of manufacture : en
  • USD98311S - Design fob a shoe : en
  • USD98380S - Design for a sewing kit : en
  • SU45583A1 - Starch trap for circulating steam in distilleries : en ru
  • CH182142A - Device for applying labels, figures or the like with the help of templates. : de en
  • CH182260A - Carriage for weapons intended for anti-aircraft fire particularly applicable to weapons mounted in aircraft turrets. : en fr
  • DE624858C - Shut-off device for pipes : de en
  • DE624877C - Circuit for an independent section block : de en
  • DE624972C - Heating of electric multi-chamber tunnel ovens : de en
  • FI16916A - Velocipedfrihjulsnav med tillbakatrampnigsbroms : en fi
  • FR793806A - Protective masks against dust : en fr
  • CH182250A - Muscular power vehicle. : en fr
  • BE413042A - : en
  • CA355697A - Drill bit holder : en fr
  • CH182046A - Process for the preparation of a tetrahydro-3-oxyquinoline derivative. : de en
  • US2028955A - Disk for centrifugal separators : en
  • CH182082A - Single lens reflex camera with photoelectric light meter. : de en
  • CH182000A - Table railing. : de en
  • DE624700C - Evaporator for refrigeration machines : de en
  • DE624903C - Moving image projector with optical compensation for image migration : de en
  • ES140291A3 - A vise with articulated jaw. : en es
  • ES140520A1 - Continuous and automatic apparatus for extraction by centrifugation of the oil contained in the olive mass. : en es
  • FR793726A - Improvements made to vehicles, in particular rail vehicles : en fr
  • US2028991A - Vehicle spring suspension : en
  • CH182303A - Installation pour l'utillisation d'un gaz combustible liquéfié. : de en fr
  • FR793801A - Garden machinery : en fr
  • CH182194A - Overtemperature protection device for electrically heated heating systems, in particular for heating systems controlled by thermostats. : de en
  • SU45670A1 - High-frequency receiving and transmitting apparatus for the protection of transmission lines by currents : en ru
  • CH182214A - Single sideband telecommunications system. : de en
  • US2028839A - Circuit arrangement for gas filled discharge tubes : en
  • US2029054A - Fruit and vegetable filling table : en
  • SU45730A1 - Circular saw machine for making shingles : en ru
  • DE624969C - Branch terminal for electrical lines : de en
  • CH182104A - Compass. : de en
  • DE625021C - Barrel, especially for slurry tankers : de en
  • DE624761C - Folding and stacking device for flat and gusseted bag machines : de en
  • DE624768C - Process for the separation of acetaldehyde and acetylene : de en
  • CH182163A - Carburetor. : en fr
  • CH182133A - Press for the production of metal pipes and elongated solid metal bodies. : de en
  • CA355566A - Domestic power plant : en fr
  • CH182018A - Portable apparatus that can be set up on a table for impregnating fabric strips on both sides with an impregnating agent, in particular with a cellulose derivative, and for drying the same. : de en
  • CH182255A - Device for counting pull axles. : de en
  • DE624876C - Finishing agent : de en
  • GB442209A - Manufacture of a new vat dyestuff : en
  • US2028832A - Apparatus for molding soles : en
  • US2028921A - Beater : en
  • CH182020A - Device to protect the laundry ropes when attaching to trees. : de en
  • DE624641C - Knitting machine, in particular circular knitting machine, with a device for displaying the thread speed : de en
  • SU45672A1 - Device for stabilizing the rotational speed of a direct current groove motor : en ru
  • US2029209A - Door service indicator : en
  • CH182149A - Friction gear change transmission. : de en
  • BE412733A - : en
  • ES3761Y - Composition game : en es
  • FR793580A - Machine for the production of shotguns, buckshot, bullets and other objects : en fr
  • CA355616A - Coated fabric production : en fr
  • SU45805A1 - Apparatus for producing and designing color cinematographic images : en ru
  • CH182055A - Process for the production of water printing inks. : de en
  • USD98299S - Pepper shaker : en
  • PL22543B1 - The method of obtaining azo dyes. : en pl
  • SU45699A1 - Method of making gun grease : en ru
  • SU45753A1 - The way to control cooking fillings in the confectionery industry : en ru
  • SU45799A1 - Cellulose, wood and wood thickener : en ru
  • US2029108A - Oil can : en
  • PL22501B1 - A method of producing castings with a sealed structure and a casting mold used to perform this method. : en pl
  • PL22515B1 - Electric, flat torch with a reflector, adjustable along its axis. : en pl
  • SU45599A1 - Adjustment to cyclones or discharges from recent soda : en ru
  • US2028754A - Breather valve : en
  • US2029083A - Heat exchange apparatus : en
  • US2028828A - Cigarette : en
  • SU45646A1 - Superheterodyne Radio : en ru
  • SU45656A1 - The method of preparation of elastic graphite plates or films : en ru
  • SU45858A1 - Light relay : en ru
  • US2028995A - Desulphurizing petroleum oils : en
  • DE624892C - Water-cooled moving grate : de en
  • ES139091A1 - EQUIPMENT-SOURCE FOR THE AUTOMATIC SUPPLY OF TREATED WATER : en es
  • CA355604A - Cylindrical article separating apparatus : en fr
  • DE624963C - Process for the production of bushings for drive chains : de en
  • DE624984C - Circular saw-like machine for the production of short refills for pens : de en
  • FR793793A - End thresh combine harvester with adjustable tilt of straw walkers : en fr
  • GB441966A - Improvements in or relating to wheels for vehicles : en
  • AU2164135A - Improvements in or relating tothe treatment of dispersions : en
  • CA355665A - Acetylene recovery from gas mixtures : en fr
  • CH182069A - Bag. : de en
  • USD98290S - Design fob a combination weineb : en
  • PL22551B1 - : en pl
  • SU45676A1 - Device for detecting defective elements in the bushings of insulators : en ru
  • CH182010A - Stranding machine for the production of free or internal stresses. Low twist strands and ropes made of steel wire. : de en
  • CH182306A - Car for passenger cable cars. : de en
  • DE624725C - Multi-counting calculating and recording machine : de en
  • PL22512B1 - A differential counter that counts electricity consumption when an overload is exceeded. : en pl
  • US2028893A - Means and method for controlling refrigerator temperature : en
  • US2029022A - Extension head for lifting jacks : en
  • CH182191A - A single-phase motor with auxiliary phases is used as a measuring element for automatic regulating devices for measuring electrical quantities. : de en
  • PL22557B3 - Gland packing for piston rods and shafts of steam and other machines. : en pl
  • SU45752A1 - Piston gauge : en ru
  • FR793708A - Process for the preparation of imidazolines substituted in position 2 : en fr
  • GB441822A - Improvements relating to metal tube drawing machines : en
  • ES3631Y - Detachable and portable skiff : en es
  • DE624851C - Arrangement on selective protection relays : de en
  • FR793511A - Kitchen clock : en fr
  • FR793652A - superheating element for fire tube boilers and in particular for locomotive boilers : en fr
  • CA355553A - Auxiliary energy plant : en fr
  • CH182012A - Device for switching the goods tree on looms. : de en
  • CA355559A - Bottle siphon head : en fr
  • CA355610A - Gaseous electric discharge device : en fr
  • CH182296A - Process for the preparation of a dye of the fluorindine series. : de en
  • ES3807Y - A folding bed : en es
  • GB441825A - Carrier line power supply : en
  • CH182273A - Process for the preparation of an azo dye. : de en
  • GB441883A - Improvements in machines for mounting photographic and other prints : en
  • ES139709A3 - Improvements in the construction of washing machines. : en es
  • BE413052A - Method for producing combinations of color and white and black images : en fr
  • CA355677A - Cultivator : en fr
  • PL22511B1 - Fuse for disintegrating cartridges. : en pl
  • US2029192A - Smoking stand : en
  • US2028868A - Jack : en
  • US2029093A - Wagon : en
  • GB441846A - Improvements in indicators or signs : en
  • GB442022A - Improvements in or relating to electrical storage batteries or accumulators : en
  • FR793789A - Suspension device for vehicle engines : en fr
  • FR793541A - Advanced storage water heater : en fr
  • FI16900A - Förfaringssätt och anordning för att göra ett fint material kornigt genom anlagring av materialet på fuktade kärnor av styckform : en fi
  • GB441884A - Manufacture of new water soluble monoazo dyestuffs : en
  • GB441959A - Improvements in or relating to ceramic structures for use in high frequency electrical apparatus : en
  • GB441970A - High frequency signalling system : en
  • ES140139A1 - An automatic device to prevent filling of bottles. : en es
  • DE616318C - Device for braking the shuttle : de en
  • FR793535A - Liquid circuit breaker : en fr
  • FR793549A - Central lubrication device : en fr
  • USD98313S - Design fob a food chopper : en
  • CA355629A - Engine starter : en fr
  • CH182136A - Electric wood drying system. : de en
  • CH182257A - Power plant with two propellers driven by a common machine. : de en
  • ES3367Y - A table to calculate regimens in diabetic patients : en es
  • FR793805A - cosmetic stick case : en fr
  • GB441786A - Improvements in or relating to lightning arresters : en
  • GB442016A - Improvements relating to aircraft : en
  • GB442064A - Improvements in thermally controlled valve mechanism : en
  • FR793767A - Steel plate for armor and the like : en fr
  • GB442090A - Method of and means for sintering or roasting ores and the like : en
  • DE624820C - Movable target : de en
  • FR793614A - Improvements to processes and photographic products : en fr
  • DE624680C - Transmitter arrangement with fluid-cooled tubes : de en
  • FR793561A - Internal bulb holder device for packaging boxes : en fr
  • GB441813A - Improvements in or relating to fluorescent screens : en
  • GB441860A - An adjustable case for toilet or other articles : en
  • FR793503A - New azo dyes and their preparation process : en fr
  • SU45581A1 - Tool to facilitate the removal of fasteners : en ru
  • DE624695C - Process for the production of potassium tetraoxalate : de en
  • ES140453A1 - VARIABLE INCLINATION AERIAL PROPELLER : en es
  • GB441984A - Improvements in bobbin stripping machines : en
  • SU45688A1 - A method of manufacturing plates of copper-ferrous straighteners : en ru
  • US2029169A - Internal combustion engine : en
  • US2028944A - Toasting machine : en
  • US2029033A - Radioreceiver : en
  • US2029010A - Steam generator : en
  • US2029018A - Telephone system : en
  • US2029167A - Cup moving mechanism : en
  • SU45834A1 - Electric Driven Hammer : en ru
  • GB441863A - Improvements in or relating to card-feeding and reading mechanism for statistical machines : en
  • USD98336S - Design fob a shoe : en
  • FR793780A - Electric wave filters : en fr
  • GB442017A - Improvements in or relating to methods of and machines suitable for splitting sole-shaped blanks : en
  • GB441940A - Improvements in or relating to the operation of coal dust furnaces : en
  • US2028827A - Combined visor and ventilator for motor vehicles : en
  • USD98317S - Design fob a tkay : en
  • DE624832C - Method and device for the production of socks with French heels and feet on flat weft knitting machines : de en
  • FR793721A - : fr
  • FR793775A - Control system for electric traction switches : en fr
  • GB441810A - Improvements in and relating to aluminium or aluminium alloy tubes for protecting electrical conductors : en
  • USD98383S - Design for a necktie rack : en
  • SU45619A1 - Rail butt joint : en ru
  • PL22542B1 - Folding box. : en pl
  • SU45712A1 - Centrifugal heat exchanger : en ru
  • US2028804A - Apparatus for the stringing of tennis rackets : en
  • US2028880A - Radio transmission system : en
  • ES140443A1 - A hot air motor or other overcompressed gas. : en es
  • DE607679C - Process for the production of stone iron ceilings without formwork : de en
  • US2028988A - Control mechanism for concrete mixers and analogous apparatus : en
  • USD98390S - Design for a cycle saddle seat : en
  • GB441834A - Improvements in and relating to electric arc welding : en
  • GB442039A - Process for improving mineral oils : en
  • GB441799A - Improvements in or relating to strip rubber and method of and apparatus for making the same : en
  • US2028823A - Chair : en
  • US2029227A - Garment tapering attachment for knitting machines : en
  • GB442130A - Improvements in and relating to the coating of lead, tin, cadmium, copper or alloys thereof : en
  • US2028790A - Casting machine : en
  • US2028987A - Device for cleaning quills : en
  • PL22585B1 - Method for the production of diuretics, suitable for use in the form of suppositories. : en pl
  • ES140484A1 - Device for the automatic change of speeds in a gearbox in vehicles of motive power. : en es
  • PL22498B1 - Device for protection of the drive shaft and bearing parts in ball mills from the abrasive action of ground particles and a device for this purpose. : en pl
  • SU45621A1 - Car for the installation of auto-arc roads by means of heat treatment of the soil : en ru
  • DE624794C - Wall or ceiling made of welded panels with a steel profile frame and a filling made of plastered insulating material enclosed by these frames : de en
  • DE624828C - Joint for tie rods of sheet pile walls, scaffolding, etc. like : de en
  • FI16905A - Ask av Papp eller dylikt : en fi
  • SU45613A1 - Gas bottle shut-off device : en ru
  • US2028763A - Method of treating organic esters of cellulose : en
  • SU45632A1 - Light modulator : en ru
  • FR793795A - Soundproof telephone booth or other : en fr
  • ES140162A1 - Trap device for registration adaptable to nests, chickens and other uses. : en es
  • FR793552A - Electrolytic capacitor : en fr
  • FR793781A - Method and mechanism for effecting the turning back of knitting on the needles of a circular knitting machine : en fr
  • FR793779A - Improvements to gas ovens and fireplaces : en fr
  • GB441838A - Improvements in quick make-and-break electric switches : en
  • SU45738A1 - Tin disinfection process : en ru
  • US2028922A - Process of making asphalt : en
  • US2028969A - Thermometer : en
  • FR793569A - Improvements to typographic typesetting machines : en fr
  • FR793629A - Advanced constant velocity joint : en fr
  • FR793532A - Process for separating or extracting gases, mixtures of gases and dust, particularly during chemical and thermal processes, and device for carrying it out : en fr
  • GB441871A - Process of dyeing pelts : en
  • FR793539A - Corrosion Resistant Alloy and Articles Made With This Alloy : en fr
  • FR793601A - Device for reducing unwanted speed increases, in particular the runaway speed of turbines : en fr
  • ES3573Y - A new scapular charm : en es
  • FR793538A - Alarm clock : en fr
  • GB441864A - Improvements in or relating to card-feeding and -reading mechanism for statistical machines : en
  • ES3624Y - A new kind of screen : en es
  • GB441885A - Improvements in swath turners : en
  • DE624548C - Commutator for electrical machines, in which an elastic intermediate member is provided between the clamping screws and the clamping cones or between the clamping cone and the commutator hub : de en
  • ES140503A1 - A process for lowering the viscosity of the starch pastes, and, at the same time, raising their dispersion. : en es
  • GB441821A - Improvements in or relating to fuel feed systems for automobile internal combustion engines having fuel injection pumps : en
  • DE624800C - High tension spring for absorbing shocks, particularly in motor vehicle starter gears : de en
  • GB441925A - Transmission and change-speed mechanism : en
  • DE624827C - Bearing block for insertable and removable weir flaps : de en
  • SU45686A1 - Electrostatic relay : en ru
  • US2029204A - Transfer ink : en
  • US2028935A - Gelatin and glue extractor : en
  • US2029212A - Electrical direct current system : en
  • DE624815C - Pull ring bracket attached to the pull tab of a bottle cap : de en
  • DE624941C - Sprinkler with baffle arrangement : de en
  • DE624961C - Iron track expansion : de en
  • FR793630A - Folding metal shelf : en fr
  • FR793827A - Device for casting standard lines : en fr
  • FR793602A - Lubricants for high pressures and high temperatures and lubrication process : en fr
  • FR793799A - Pressure hydrogenation process : en fr
  • GB441991A - Improvements in vaporisation of solid media by means of vacuum cleaners : en
  • GB442000A - Drying oils : en
  • FR793696A - Gradient regulator device for electrostatic machines : en fr
  • SU45677A1 - Method for reducing error in indications of induction electric meters : en ru
  • ES139840A1 - Perfection improvements in the suspension of vehicles for taxiing on track without end and other vehicles. : en es
  • DE624764C - Clamping device for stretch presses : de en
  • US2029061A - Spray gun : en
  • CH182267A - Process for the preparation of a new disazo dye. : de en
  • ES3650Y - Checkbook with copies : en es
  • GB442079A - Improvements in or relating to road signalling apparatus : en
  • CH182100A - Device for supplying oxygen to a room such as a shelter against asphyxiating gases. : en fr
  • DE624890C - Switch whose arc is extinguished with the help of a liquid in a quenching device : de en
  • US2029001A - Bottom construction for laminated containers : en
  • DE624873C - Clamping tool consisting of running rail and sliding bracket : de en
  • GB441969A - Improvements in or relating to television : en
  • USRE19835E - Brake mechanism : en
  • CH182093A - Skis with protective edges. : de en
  • CH182090A - Calendar. : de en
  • GB441814A - Improvements in or relating to delivery spindle apparatus for twisting or throwing machines : en
  • GB441819A - Change speed : en
  • SU45736A1 - The method of manufacturing plastic : en ru
  • SU45762A1 - Meter for dispensing liquids in measured quantities : en ru
  • DE624707C - Device to prevent over-switching of the end positions of devices equipped with energy storage drives : de en
  • DE624797C - Self-indicating savings box that opens after a predetermined number of coins has been deposited : de en
  • CH182041A - Process for the preparation of alkali metal addition products of aromatic hydrocarbons. : de en
  • US2028887A - Apparatus for measuring temperatures : en
  • ES3771Y - T-shirt for gas incandescence by circular contour. : en es
  • PL22502B1 - Continuous operation furnace for carbonization of materials at low temperatures. : en pl
  • ES3762Y - A tool to pierce the lids of cans or drums provided with flanges at their junction with those : en es
  • US2029005A - Knitting needle stitch holder : en
  • US2029030A - Testing system : en
  • SU45809A1 - Pilot Belt Fastener : en ru
  • GB441790A - Improvements in or relating to presses for granular, semi-plastic and like materials : en
  • DE624885C - Process for the production of anthraquinone pellets : de en
  • US2029181A - Necktie construction : en
  • FI16928A - Förfaringssätt vid framställning av tändstickor med fürbeständig tändsats and på så sätt förfärdigade tändstickor : en fi
  • FR793588A - Metal ball game : en fr
  • FR793678A - Arrangements for using pin padlocks : en fr
  • DE624741C - Press, especially for substances containing oil : de en
  • DE624740C - Process for the production of shellac dispersions or solutions for photomechanical purposes : de en
  • SU45835A1 - A method of manufacturing grinding wheels from metal slag produced in the smelting of manganese : en ru
  • SU45783A1 - Electrolytic copper deposition method : en ru
  • SU45591A1 - Adaptation to a cutting machine for cutting brochures and books : en ru
  • SU45662A1 - Device for blocking feeder disconnectors : en ru
  • FR793662A - Advanced training in electric accumulators : en fr
  • US2028811A - Cutter chain : en
  • DE624729C - Detachable machine element pre-tensioned with screw thread : de en
  • US2029125A - Wood grinding machine : en
  • USD98332S - Design for a shoe : en
  • GB441949A - Improvements in metal doors : en
  • CA355597A - Vehicle coupler : en fr
  • BE412698A - Method of mounting heating elements : en fr
  • CH182284A - Process for the preparation of a bluish red monoazo dye. : de en
  • US2028886A - Polymerization of unsaturated hydrocarbons : en
  • SU45782A1 - The method of electrolytic deposition of gold alloys with platinum group metals : en ru
  • CH181993A - Electric cooking equipment. : de en
  • CH182072A - Process for the production of vessels from fiber material suspended in a liquid. : de en
  • US2028864A - Pump : en
  • CA355592A - Concrete article production : en fr
  • CH182062A - Process for the pre-ripening of alkali cellulose. : de en
  • ES3775Y - A refrigerator : en es
  • CA355607A - Motor control system : en fr
  • CA355657A - Alloy : en fr
  • CH182162A - Carburetors for explosion engines. : de en
  • CH182264A - Process for the preparation of a new, copper-containing trisazo dye. : de en
  • US2029006A - Latching and righting mechanism for dump cars : en
  • US2029138A - Brake shoe centralizing device : en
  • CH182261A - Hot water district heating system with heating groups comprising several heat consumers. : de en
  • CA355680A - Sliding clasp fastener : en fr
  • CH182084A - Process for the production of photosensitive photolithographic plates. : de en
  • CH182168A - Tube steam generator heated by a grate furnace. : de en
  • PL22504B1 - A method of briquetting solid fuel fines or dust and a device for carrying out this method. : en pl
  • SU45683A1 - Method of testing electronic tubes for microphone effect : en ru
  • US2028781A - Process of producing decorative sheet material : en
  • US2028805A - Multiplex transmission : en
  • CA355687A - Louver construction : en fr
  • US2028751A - Container : en
  • CH182297A - Process for the preparation of a dye of the fluorindine series. : de en
  • CA355551A - Automobile suspension device : en fr
  • US2029166A - Art of treating vegetation : en
  • US2029185A - Spinning bucket : en
  • US2029211A - Signal : en
  • USD98309S - Design for a textile fabric or simi : en
  • DE624775C - Two or multiple clamps for electrical lines : de en
  • DE624875C - Scraper chamber for disc roller grates : de en
  • CA355663A - Television system : en fr
  • CH182154A - Electromagnetically driven machine that can be used as a compressor or vacuum pump. : de en
  • CH182058A - Wood-like mass and process for its production. : de en
  • CA355575A - Pipe joint : en fr
  • CH182256A - Servo motor. : en fr
  • CA355565A - Yarn moistening apparatus : en fr
  • CA355672A - Alcohol distillation : en fr
  • CH182220A - Intermediate frequency amplifier. : de en
  • CH181996A - Device for holding straight objects hanging on a wall, in particular pictures. : de en
  • SU45879A1 - A method of making color photographs or cinematography : en ru
  • SU45864A1 - Method of eliminating the so-called night errors in direction finding of transmitters with a large interval between pulses of signals : en ru
  • CH182225A - Suitcase. : de en
  • GB442046A - New process for the manufacture of soaps : en
  • SU45596A1 - The method of producing hydrofluoric acid : en ru
  • CH182059A - Process for the production of shaped articles from fibrous materials impregnated with binding agents. : de en
  • CA355564A - Chair : en fr
  • CA355609A - Series lighting system : en fr
  • DE624742C - Device for producing foam for fire extinguishing purposes : de en
  • ES140255A1 - Vertical guillotine window. : en es
  • ES139464A1 - A procedure for obtaining contrasts and suitable sensitized layers. : en es
  • US2028806A - Method of frezing desserts, and apparatus : en
  • CA355605A - Incandescent lamp tipping-off apparatus : en fr
  • CH182131A - Centrifugal casting machine. : de en
  • ES140498A1 - Apparatus for the application of the active material to electrodes of galvanic elements. : en es
  • DE624780C - Induction melting furnace : de en
  • DE624884C - Production of phosphorus oxychloride : de en
  • ES3157Y - Tilting coahe-bed chair, for children and dolls. : en es
  • AU2065434A - Improvements in combined hydraulic brake housing and wheel : en
  • BE407018A - : en
  • CH182161A - Internal combustion engine with a rotary valve in the cylinder head. : de en
  • SU45820A1 - Device for training in aiming : en ru
  • SU45770A1 - Fuel pump drive : en ru
  • FR793665A - New remote control system : en fr
  • FR793746A - Device for cleaning bottles, cans, in particular bottles and cans for colors and varnishes of different sizes : en fr
  • SU45749A1 - X-Ray Spectrograph : en ru
  • USD98355S - Design for a shoe : en
  • SU45795A1 - The method of surface treatment of groundstone stones : en ru
  • SU45602A1 - The method of obtaining artificial resin : en ru
  • SU45669A1 - Device for remote detection of high-speed circuit breakers : en ru
  • SU45777A1 - Ring carabiner for coupling the ends of the connected cables : en ru
  • US2028903A - Internal combustion engine : en
  • CH182244A - Machine for digging transverse grooves in pneumatic tires. : en fr
  • CH182241A - Direction indicators for vehicles. : de en
  • CH182281A - Process for the preparation of a bluish red monoazo dye. : de en
  • CA355600A - Power hammer : en fr
  • DE624846C - Rotary printing press : de en
  • DE625032C - Filling device with compressed air supply : de en
  • CH182294A - Process for the production of a vat dye. : de en
  • FR793627A - Space-saving folding table : en fr
  • GB441921A - Method of manufacturing fine powder : en
  • GB442029A - Improvements in or relating to the manufacture of hydrogen peroxide : en
  • US2029091A - Display stand : en
  • SU45796A1 - Artificial Ground Stone : en ru
  • DE624808C - Method for synchronizing picture sound films : de en
  • US2028766A - Uniform feed system : en
  • US2029038A - Electric cable : en
  • US2029189A - Double acting internal combustion engine : en
  • SU45845A1 - Lifting front car dumper : en ru
  • ES140192A1 - Apparatus for the transport of rolled material. : en es
  • FI16876A - Installation of splinters or spools, separate or spaced parts : en fi
  • US2029036A - Toy gun for projecting aeroplanes : en
  • DE624868C - Device for achieving a controllable downtime of hydraulically moving tool parts, in particular grinding machine parts, when reversing : de en
  • DE625018C - Friction wheel lighter : de en
  • DE625030C - Process for the production of multi-colored, double-sided coated films : de en
  • FR793734A - Apparatus for waving and edging crepe paper for decorative purposes : en fr
  • CH182233A - Chassis. : de en
  • DE624739C - Register section for paper machines : de en
  • FR793650A - Dryer caps for fuel tanks : en fr
  • GB441807A - Process for preparing d-trans-ªð-oxocamphor from iso-ketopinic acid : en
  • US2029263A - Refrigerating apparatus : en
  • FR793783A - Solvent dewaxing process : en fr
  • GB441975A - Apparatus for cutting staple fibre : en
  • DE624888C - Radio receiver : de en
  • ES138920A1 - Procedure, with its corresponding device, for making matches in envelopes. : en es
  • ES139443A3 - Improvements in fans for moving vehicles, such as railroad cars, automobiles, and the like. : en es
  • GB441943A - Method of consolidating granular mineral masses : en
  • GB441998A - Improvements in and relating to electric switchgear structures : en
  • US2028840A - Fastening inserting machine : en
  • US2028977A - Automatic stoker for coal burners : en
  • US2028771A - Door locking device for demountable bodies : en
  • CH182030A - Centrifugal drum with foam-free discharge of the centrifuged material. : de en
  • FI16882A - Automatic copying for the lake : en fi
  • GB441896A - Improvements in television : en
  • GB442038A - Improvements in or relating to cigarettes or cigars : en
  • DE625013C - Steel mill mold : de en
  • US2028857A - Electrical communication system : en
  • FR793830A - Lamp for t devices. s. f. : en fr
  • FR793798A - Double or multiple filament electric lamp base : en fr
  • US2029276A - Flying boat suspension structure : en
  • SU45648A1 - Device for transmitting vision : en ru
  • US2029254A - Tube frame : en
  • US2029255A - Method of making shank buttons : en
  • USD98407S - Temple support for an ophthalmic : en
  • CH182039A - Process for the production of aluminum sulfite by extraction of substances containing aluminum oxide with concentrated sulfurous acid. : de en
  • DE624863C - Roll film camera : de en
  • GB441880A - Improvements relating to fluid pressure braking apparatus : en
  • GB441916A - Method and apparatus for nautical locomotion with dynamic sustentation : en
  • GB442054A - Improvements in or relating to the preparation of compositions containing urea-formaldehyde condensation products : en
  • BE412914A - : en fr
  • CH182216A - Circuit arrangement for amplifying electrical ultra-high frequency oscillations using two discharge tubes connected in a push-pull circuit. : de en
  • US2028917A - Turnover table for glass sheets : en
  • CA355556A - Sodium sulphate production : en fr
  • SU45665A1 - Device for automatic modulation of the mode of operation according to a given schedule : en ru
  • US2028914A - Production of resin like materials : en
  • SU45739A1 - A method of manufacturing from a mixture of hard alloys of rod-like material : en ru
  • US2028856A - Radio direction finder : en
  • DE624719C - Electric hand vulcanizing device : de en
  • ES138977A1 - Improvements in the manufacture of knitwear. : en es
  • ES3822Y - New extendable rods for sheers or curtains : en es
  • PL22576B1 - Device for closing the pail in the exhaust shaft. : en pl
  • US2029157A - Motor-driven beater : en
  • US2029208A - Humidifying heat-saver : en
  • DK51197C - Fluid meter. : da en
  • SU45763A1 - Power machine : en ru
  • SU45861A1 - Radio : en ru
  • SU45723A1 - Bath Glass Furnace For Fourcot Machines : en ru
  • SU45872A1 - Speed measuring device : en ru
  • US2029124A - Sealing means for wirebound boxes : en
  • DE624881C - Method and device for sieving milk of lime u. like : de en
  • DE624731C - Mixing regulator : de en
  • DE624778C - Time switch with pneumatic relay : de en
  • ES139444A1 - A tilt-plate trailer that allows the loading or unloading of a container without a lifting device. : en es
  • DE620879C - Containers for water purification and treatment : de en
  • DE624957C - Drain valve : de en
  • DE624860C - Lockstitch shoe sewing machine : de en
  • ES140490A1 - IMPROVEMENTS INTRODUCED IN THE ZIPPER SEALS : en es
  • FR793543A - Improvements to roll or reel supports : en fr
  • FR793758A - Improvements made to circular ribbing knitters allowing the making of elastic fabrics : en fr
  • DE624914C - Blank glow furnace : de en
  • ES139801A1 - A device for fusing types lines. : en es
  • USD98369S - Design for a camera : en
  • DE624749C - Briquette swivel channel with compensation lever and break-out device : de en
  • FR793596A - Improvements to reproduction quality control devices : en fr
  • GB441788A - The preparation of a new barbituric acid and salts thereof : en
  • US2028956A - Method of making a hard surfaced cement : en
  • USD98295S - Design for a musical instrument : en
  • CA355574A - Motor vehicle : en fr
  • CH181978A - Retractable attic stairs. : de en
  • CH182077A - Dry box for gravure paper webs. : de en
  • CH182129A - Microdynamometer device for registering the energy transfer of the engine in clocks and other instruments with escapement. : de en
  • DE624786C - Machine for making lace : de en
  • ES139397A1 - Improvements in water softening devices of base permutation type. : en es
  • FI16920A - Meat and bone mill : en fi
  • GB442011A - Improvements in and relating to distillation ovens and retorts : en
  • GB442048A - Improvements in or relating to the treatment of coir fibre : en
  • FR793818A - Rotary stop and adjustment cylinder for a machine for casting chocolate or other similar materials : en fr
  • GB442289A - Improvements relating to lubricants : en
  • GB441870A - A new or improved container for liquid soap and the like : en
  • DE624813C - Journal : de en
  • FR793679A - Drawbridge : en fr
  • FR793687A - Toy : en fr
  • USD98334S - Design for a shoe : en
  • USD98376S - Design for a shoe : en
  • GB441824A - Improvements in fuel-injection pumps for internal combustion engines : en
  • DK51185C - Film Filming Procedure and Machine. : da en
  • GB442051A - Process and apparatus for azeotropic drying of alcohols or ketones : en
  • ES3387U - Kitchen for heating. (Machine-translation by Google Translate, not legally binding) : en es
  • DE624732C - Process for the production of fluorine-containing layers on light metals and their alloys : de en
  • DE624952C - DC power generation system, the generator of which is driven by an internal combustion engine : de en
  • DK51177C - Device for connection connection for electrical appliances and machines. : da en
  • BE412913A - : en
  • SU45721A1 - Vibrating sieve for sifting molding earth : en ru
  • GB441889A - Improvements in or relating to transmission mechanism of the v-pulley type : en
  • ES139701A1 - Improvements introduced in the manufacture of masks against gases. : en es
  • ES140454A1 - A counter faucet for liquids. : en es
  • SU45684A1 - Multi-core or multi-electromagnetic relay : en ru
  • US2028777A - Parachute construction : en
  • DE625010C - Circuit arrangement for telephone systems : de en
  • GB441951A - Improvements relating to carriers for motor cycles : en
  • CA355547A - Cathode manufacture : en fr
  • CH182143A - Buckle for bracelets, with or without a watch, for belts and other band-shaped objects. : de en
  • SU45833A1 - Fixture for eliminating sagging tape mouthpieces in tubing machines : en ru
  • ES3821Y - A bowling alley table : en es
  • US2028910A - Reamer : en
  • CH182279A - Process for the preparation of an azo dye. : de en
  • CA355630A - Steam boiler foam indicating apparatus : en fr
  • DE624655C - Volume reducer whose transmitter consists of a diving bell : de en
  • DE624734C - Device for securing the boom or the rotating casing that can be swiveled with it with the fixed column of radial drilling machines by means of a clamping ring : de en
  • FR793770A - Jars and flasks of paper or the like : en fr
  • ES140505A1 - An apparatus to obtain the infusion of coffee, called express, in which all kinds of springs and elastic valves have been eliminated and which works electrically acting on a single lever. : en es
  • US2028963A - Circuit breaker : en
  • FR793555A - Advanced die for viscous material : en fr
  • FR793660A - Method of attaching a removable handle to a pot or other container : en fr
  • ES3038Y - Rolling metal shutter. : en es
  • GB442286A - Improvements in and relating to building construction systems and to blocks, bricks,tiles and the like used therein : en
  • DE624866C - Automatic overrunning clutch for motor vehicles : de en
  • FI16902A - Förfaringssätt framställning av kolfattiga metaller och legeringar : en fi
  • GB442059A - Improvements in and relating to leaf forwarding mechanism for tobacco leaf treating machines : en
  • FI16919A - Anchor mainly for small vessels : en fi
  • CH182237A - Vehicle door closing device. : en fr
  • GB441898A - Improvements in or relating to fluorescent screens : en
  • PL22567B1 - A method for the production of auxiliary agents for the treatment of fibrous materials, leather and similar materials. : en pl
  • US2028783A - Centrifugal pump : en
  • DE624994C - Diesel locomotive with direct drive : de en
  • DE625009C - Process for obtaining coke in joint and coke making ovens : de en
  • US2029163A - Automatic air vent for pipe lines under pressure : en
  • US2029230A - Detachable camera tripod head : en
  • US2028901A - Demountable body : en
  • PL22597B1 - Automatic steering device for steering overhead ships, submarines and torpedoes, especially airplanes. : en pl
  • US2028999A - Jacking apparatus for motor vehicles : en
  • AU2212435A - Improvements in or relating to sound recording oscilloscopes : en
  • CA355675A - Snap fastener stud : en fr
  • CH182024A - Electric vacuum cleaner. : de en
  • US2029278A - Adjustable eccentric for sewing machines : en
  • DE624628C - Device to prevent cable drainage from escaping from electrical multi-conductor cables : de en
  • FR793800A - Machine and method for manufacturing zippers : en fr
  • DE624855C - Profile supports or similar objects made of plywood : de en
  • DE624887C - Insulated contact wire crossing, especially for contact wires of different potentials : de en
  • US2028931A - Conductor support : en
  • DE624978C - Process for the production of porous bearing metals : de en
  • CH182245A - Anti-skid chain. : de en
  • PL22578B1 - Electric filtering device. : en pl
  • SU45697A1 - Method of electric spot welding with alternating current : en ru
  • CH182251A - Cable car with rescue facility. : de en
  • PL22499B1 - A cosmetic product for cleansing the epidermis and caring for human skin. : en pl
  • USD98361S - Design for an ash tray or similar : en
  • USD98409S - Design for a radiator or similar : en
  • FR793657A - Device for stabilizing and adjusting the tension of the suspension means of a vehicle : en fr
  • FR793748A - Discharge tube : en fr
  • FI16874A - Sovsäck : en fi
  • FR793562A - Improvements to so-called bottom-feed heating systems : en fr
  • SU45714A1 - Method of preserving hides and leather goods : en ru
  • AU2064434A - Process forthe production of valuable liquid products from solid carbonaceous materials : en
  • CH182076A - Sentence binder. : de en
  • US2028817A - Hydraulic jack : en
  • CH182248A - Pendulum saddles for vehicles. : de en
  • CA355653A - Utility chest : en fr
  • SU45694A1 - Manual reel rewinder : en ru
  • USD98353S - Design fob a shoe : en
  • SU45664A1 - Device for remote switching in a certain sequence of a series of electric motors : en ru
  • PL22595B1 - A cylinder spring. : en pl
  • US2029049A - Built-up cellular structure and method of making the same : en
  • US2029089A - Sink support : en
  • USD98410S - Design for a radiator or similar : en
  • CH182152A - Hydraulic press. : de en
  • DE624854C - Glazed cover plate for tiled stoves : de en
  • ES140479A3 - Universal saddle for transmissions. : en es
  • CA355573A - Fast freezing apparatus : en fr
  • SU45818A1 - Automatic revolver : en ru
  • CA355617A - Ketene making apparatus : en fr
  • CH182177A - Oil transformer with compressed air cooling. : de en
  • DE624904C - Photographic roll film with perforations or punch-outs assigned to the individual image fields and with light-impermeable protective paper strips, which protect the film in a known way over its entire length and protrude at both ends : de en
  • US2029210A - Carburetor air intake and vaporizer : en
  • SU45869A1 - Electronic lamp : en ru
  • ES4415U - A new metallic curtain of galvanized iron wire or any other material for doors, windows, balconies, corridors, etc. (Machine-translation by Google Translate, not legally binding) : en es
  • FR793668A - Method and device for the production of elastic joints : en fr
  • GB441867A - Improved appliance for serving ice cream wafers : en
  • GB441895A - Improvements in or relating to electric gaseous discharge lamps : en
  • US2028981A - Production of azo dyestuffs : en
  • US2028993A - Chisel : en
  • US2028760A - Internal combustion engine : en
  • US2028952A - Apparatus for and method of making paper : en
  • DE624692C - Device for bundling rolled material in channels, on cooling beds, roller corridors or the like. : de en
  • CA355637A - Colour photograph printing method : en fr
  • DE624845C - Process for the production of AEthandithiolaethers : de en
  • US2029161A - Backing for artificial teeth : en
  • CH182288A - Process for the production of a new azo dye. : de en
  • US2029194A - Watchmaker's tool and method : en
  • SU45625A1 - Device for adjusting the installation of rotary valves in locomotive sandboxes : en ru
  • US2028821A - Spinning machine for rayon or other synthetic material : en
  • DE624922C - Grinding device for slicers : de en
  • GB442002A - Improvements in or relating to saturated fibrous sheet material and process of producing the same : en
  • FR793603A - Process for suspending particles distributed therein and products or <suspensions> in a liquid medium, for lubrication and other uses : en fr
  • FI16892A - Belly belt : en fi
  • FR793713A - Improvements to vehicle wheel suspension : en fr
  • ES139665A3 - Procedure for binding books. : en es
  • ES3479Y - A last for the manufacture of all kinds of clazados : en es
  • FR793756A - Process for using used accumulators : en fr
  • GB441878A - Improvements in the manufacture and production of wetting, washing, dispersing and like agents : en
  • GB441904A - Straight pull jar for well drilling : en
  • DE624973C - Ignition device for furnaces preferably operated with liquid fuels : de en
  • US2028739A - Sulphuric acid manufacture : en
  • US2028753A - Brake shoe key : en
  • US2029237A - Producing vat dyestuffs of the dibenzanthrone series : en
  • USD98301S - Similar article for wearing ap- : en
  • USD98312S - Design fob a shoe : en
  • GB441981A - Improved construction of block for roadways, stairways and the like : en
  • DE624982C - Bicycle lock : de en
  • DK51179C - Piston ring. : da en
  • DE624918C - Process for the preparation of p-quinones : de en
  • US2028831A - Treating sole channels : en
  • US2029197A - Latch : en
  • DE614703C - Process for the preparation of 1- (3, 4, 5-trialkoxyphenyl) -6, 7-dialkoxyisoquinolines : de en
  • DE624799C - Straw press with a press room closed by a loaded, swingably suspended flap : de en
  • FR793577A - New chemical compounds which can be used in the manufacture of dyes of the cyanine class and the processes for preparing these new compounds and of said dyes : en fr
  • ES140468A1 - A mechanical quilting procedure. : en es
  • USD98405S - Design for a coat : en
  • ES139466A3 - A procedure that allows to preserve the permeability of the tissues joined by gluing. : en es
  • ES3746Y - New set of taps for water level indicators for steam boilers and liquid tanks : en es
  • FI16878A - Sätt att framställa svavel : en fi
  • GB441820A - Improvements in or relating to bed rail fasteners : en
  • CA355599A - Animal trap : en fr
  • FR793586A - Combined counterflow and trickle condenser : en fr
  • FR793809A - New swimsuit : en fr
  • GB441888A - Improvements in electric lighting devices : en
  • AU2130035A - Weed exterminator : en
  • GB441837A - Means for testing the lubrication capacity of oils : en
  • GB441958A - Improvements in binders for periodicals and the like : en
  • FR793656A - Welding process for metal can lids : en fr
  • GB441891A - Improvements in the manufacture of electric incandescent lamps : en
  • US2028975A - Composite picture : en
  • GB441909A - Gas tight seal for rotating and tippable apparatus : en
  • FR793848A - Coupling device for liftable electric lights : en fr
  • GB441905A - Lightning arresters : en
  • GB441941A - Improvements relating to control systems for electrically actuated rolling mill screw-down gear : en
  • ES139646A1 - Improvements in railway tracks circuits. : en es
  • GB441844A - Improvements in chucks : en
  • GB442070A - Improvements in or relating to thimble tube boilers : en
  • ES140201A3 - The manufacturing process of synthetic resins produced by the reaction of carbodiamide (urea) with formic aldehyde. : en es
  • FR793702A - Mop head suitable for suction nozzles of vacuum cleaning devices : en fr
  • SU45675A1 - Contact device for measuring electrical resistance : en ru
  • USD98326S - Design for lace : en
  • FR793825A - Mineral oil refining process : en fr
  • FI16881A - Apparat för värmeöverföring mellan vätska och gas samt sätt att tillverka apparaten : en fi
  • DE624931C - Magnetic modulator : de en
  • DE624745C - Method and machine for closing envelopes : de en
  • CA355658A - Fatty material flavour and odour stabilization : en fr
  • CH182070A - Paper sack. : de en
  • DE624784C - Pressure fluid for hydraulic pressure devices, such as brakes, etc. like : de en
  • FR793711A - Measuring jug for liquids : en fr
  • FR793808A - Improvements to mower cutting bars : en fr
  • GB441976A - Improvements in the froth flotation of ores : en
  • GB442081A - An improved method of separating contamination from lubricating oil : en
  • GB442089A - Improvements relating to sliding windows : en
  • SU45877A1 - Planetary gear with automatic gear ratio change : en ru
  • GB442366A - Improvements in pneumatically operated fans and the like : en
  • FR793527A - Folding box : en fr
  • GB441794A - Improvements in washing appliances : en
  • FR793528A - Sprinkler : en fr
  • FR793659A - Propulsion system for cycle by simultaneous control of the rear wheel and a propeller : en fr
  • GB441861A - Improvements in or relating to combs for the hair : en
  • ES140052A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT : en es
  • FR793638A - Method and machine for tissue scouring : en fr
  • FR793610A - Adjustable rotary aerator : en fr
  • ES4414U - Folding clothes rack. (Machine-translation by Google Translate, not legally binding) : en es
  • GB441936A - Mouth-gag for dog and cat : en
  • FI16914A - Utilities, copying and operation of propeller pumps, are suitable for the installation of propulsion pumps : en fi
  • DE624679C - Device for dialing several subscriber numbers from one subscriber station : de en
  • DE624899C - Combating plant pests : de en
  • FR793574A - Process for the manufacture of an insulating material with high dielectric constant and low phase shift : en fr
  • FR793784A - Domestic circuit breaker : en fr
  • USD98371S - Design for a display stand : en
  • US2028798A - Method of lining the inside of cans : en
  • CA355691A - Gramophone record : en fr
  • GB441828A - Improvements in machines for dividing dough and imparting the desired shape thereto : en
  • SU45616A1 - Barry Cone Loading Machine for Blast Furnace : en ru
  • US2029014A - Wave transmission network : en
  • US2029087A - Brake mechanism : en
  • FR793846A - Non-reflective display case : en fr
  • US2028859A - Radioreceiver : en
  • CA355660A - Vernier drive mechanism : en fr
  • FR793645A - Improvements with mitrons : en fr
  • DE624919C - Knife adjustment device for sheet metal and bar shears : de en
  • ES3622Y - A portable suitcase cooler : en es
  • GB442087A - Improvements in and relating to the production of rubber threads : en
  • GB441983A - Process for producing coloured colloid layers : en
  • ES3836Y - Refractory material resistance holder for electric stoves with coil-coil wound on it so that the entire circuit is closed from the outside : en es
  • SU45743A1 - The method of simultaneous recording of two curves on a common tape : en ru
  • DE624773C - Circuit arrangement for telecommunications systems with signal receiving points : de en
  • SU45837A1 - Method of extracting bitumen from tar sands : en ru
  • US2029134A - Tightening device : en
  • FR793563A - Improvements to the systems for using liquid fuels in the martin furnace : en fr
  • DE624906C - Furniture lock that can be used on the right and left : de en
  • GB442080A - Improvements in the manufacture and production of binding agents for road surfaces : en
  • PL22534B1 - A device for gasification of natural gas in a liquid state. : en pl
  • DE624915C - Tube rectifier system for large broadcast central receiving systems : de en
  • ES3734Y - An apparatus for deacidifying milk, dairy products, dairy waste and the like by means of electric currents : en es
  • FR793524A - Locking Mechanism for Automatic Vending Device : en fr
  • FR793550A - Method and device for signaling exhaustion of gas filters and scrubbers : en fr
  • DE624806C - Process for the production of hollow bodies from pulp : de en
  • GB442028A - Improvements in or relating to dynamo-electric machines : en
  • CH182228A - Device for drawing bundles of wood together. : de en
  • DE624889C - Electric toggle switch with switching drum : de en
  • GB441832A - Improvements in and relating to electric transformers : en
  • ES140467A1 - Improvements in indirectly heated cathodes. : en es
  • DE624724C - Smoke densitometer : de en
  • GB442072A - Improvements relating to liquid fuel admission valves for internal combustion engines : en
  • US2029098A - X-ray tube mount : en
  • US2029215A - Cellular construction for aircraft pontoons : en
  • US2028745A - Apparatus for bituminous mixing : en
  • US2029123A - Process of fitting jordan shell linings : en
  • US2028808A - Rubber article and method of making the same : en
  • US2028800A - Process for concentrating acetic acid : en
  • US2029207A - Safety watch pocket for garments : en
  • FR793554A - Camera : en fr
  • FR793802A - Improvements in the hinges : en fr
  • GB442040A - Improvements in or relating to dart flights : en
  • ES3626Y - Folding nightstand : en es
  • GB442013A - Improvements relating to aircraft : en
  • GB442043A - Improvements in ships' closets : en
  • US2029126A - Mixing apparatus : en
  • US2029257A - Cooking stove : en
  • SU45685A1 - Polished Relay : en ru
  • USD98300S - Similar article for wearing ap- : en
  • DE625007C - Fastening means consisting of a sleeve for heels on shoes and boots as well as method and device for fastening the heels : de en
  • GB441841A - Improvements in or relating to apparatus for heating portable articles by gas : en
  • ES140464A3 - A gun for spraying and projecting fusible materials. : en es
  • CA355583A - Alumina production : en fr
  • CH182229A - A closure member having a closure cap, in particular for tubes. : de en
  • SU45671A1 - Device for differential protection of transmission lines by the system "Translei" : en ru
  • SU45660A1 - Electric liquid switch : en ru
  • SU45787A1 - Universal backing attachment to the lathe : en ru
  • CH182063A - Water softener device. : en fr
  • SU45856A1 - The method of obtaining filler (carrier) for drugs and cosmetics : en ru
  • US2028788A - Coin controlled apparatus : en
  • CA355587A - Non-shatterable glass reclaimer : en fr
  • CH182169A - Compression refrigeration machine. : de en
  • DE624791C - Flower holder for insertion in vases, bowls or the like. : de en
  • FR793599A - New quinophthalone-sulfonic acids and their preparation process : en fr
  • FR793744A - Process for preparing ethyl halides : en fr
  • GB441957A - Improvements in and relating to shirts : en
  • US2028748A - Bake oven : en
  • US2029148A - Respiratory actuating means for generators : en
  • US2029184A - Oil burning apparatus : en
  • PL22538B1 - A method of obtaining fibrous material from raw animal skin in a durable form, suitable for transport. : en pl
  • US2029234A - Beverage mixing device : en
  • US2028768A - Die press safety system : en
  • SU45830A1 - Tobacco stringing machine : en ru
  • SU45846A1 - Sliding nori for unloading piece goods from the vessel's hold : en ru
  • USD98343S - Design for a shoe : en
  • CH181992A - Storage stove. : de en
  • ES139268A1 - A process for the impregnation of absorbent substances, whether porous, filtering or other, with the soluble compounds of metals, usable as a means of discoloration, neutralization and sterilization of liquids. : en es
  • FR793506A - Grid for electric discharge tubes : en fr
  • DE611599C - Braking device for shaft hoisting machines with a driving brake acted upon by compressed air as pressure medium and a safety brake actuated by falling weight : de en
  • FR793710A - Improvements made to crushers and crushers : en fr
  • SU45853A1 - Wind turbine vertical wind turbine : en ru
  • FI16915A - Shock absorber for bicycles : en fi
  • USD98377S - Design for a shoe : en
  • DE624833C - Method for working the heel, the lower part of the foot and the tip of the foot to a cut length on the flat weft knitting machine : de en
  • FR793700A - Safety device for gas-heated appliances : en fr
  • FR793719A - Container for the delivery, transport and storage of solid fuels and other materials : en fr
  • IE13838L - Bituminous dispersions : en
  • SU45839A1 - Shaft furnace for stone smelting : en ru
  • DE624995C - Railcar : de en
  • ES140461A1 - Procedure for obtaining insulating bodies. : en es
  • ES4416U - Manual duplicating device. (Machine-translation by Google Translate, not legally binding) : en es
  • DE624834C - Multi-roller grinder : de en
  • FR793776A - Elastic connection : en fr
  • GB442667A - Ornithopter : en
  • SU45577A1 - Instrument for testing formations in oil and gas wells : en ru
  • US2029040A - Photo-electric tube : en
  • CA355682A - Alkyl-mercury-mercapto compound : en fr
  • CH182238A - Elastic claw coupling, in particular for driving electrical machines on motor vehicles. : de en
  • US2029000A - Eraser : en
  • US2029020A - Container closure : en
  • SU45740A1 - Drawing pen : en ru
  • US2028945A - Automobile bumper device : en
  • CA355552A - Gas separation : en fr
  • SU45757A1 - Counting logarithmic device : en ru
  • US2028801A - Process for concentrating acetic acid : en
  • CH182275A - Process for the preparation of an azo dye. : de en
  • CH182289A - Process for the production of a new azo dye. : de en
  • FR793835A - Method of operating metallurgical furnaces, such as, for example, blast furnaces and cupolas : en fr
  • DE624862C - Adjustment device on photographic equalization devices : de en
  • FI16926A - Anordning för fastsättning av skridskor vid skodon : en fi
  • FR793714A - Homogenization, aeration and grain conditioning system in silos : en fr
  • GB441804A - Method and device for controlling the steering of an aircraft in a predetermined direction : en
  • FR793507A - Improvements made to bandages intended for airplanes or vehicles of any kind : en fr
  • CH182011A - Three-phase drive device with transmission for light looms. : de en
  • FR793833A - Method and device for placing backfill material in mining : en fr
  • GB442131A - Improvements in starting devices for internal combustion engines : en
  • DE624837C - Shuttle or bobbin replacement device for looms with shuttle change : de en
  • GB441961A - Improved automatic telephonic time announcing means : en
  • ES139545A3 - A maneuvering system for lifts and similar installations. : en es
  • FR793559A - Electric discharge tube : en fr
  • FR793720A - Training in toy vehicle axles : en fr
  • SU45789A1 - Feed mechanism for boring machine : en ru
  • US2029180A - Necktie construction : en
  • PL22541B1 - A method for wrapping cylindrical objects and an apparatus for carrying out the method. : en pl
  • SU45786A1 - Device for processing products on the scan range : en ru
  • US2029233A - Looper mechanism for sewing machines : en
  • DE624849C - Television transmission method using modulated breakover voltages (line control method) : de en
  • DK51183C - Single-pole socket for tubular electric lamps. : da en
  • PL22579B1 - Method of purifying diffusion juices. : en pl
  • CH182075A - Card index. : de en
  • CA355656A - Naphtha and oil cracking process : en fr
  • CH182124A - Watch caliber. : en fr
  • SU45844A1 - Cargo bad : en ru
  • USD98364S - Design for a dress : en
  • US2028897A - Pocket cigarette making machine : en
  • SU45653A1 - Electrolyte thickening method for dry cells : en ru
  • SU45701A1 - Method of making mastic for fillings : en ru
  • US2028957A - Oscillating cultivator : en
  • FR793738A - Pockets for loose bindings of books or notebooks, the latter with blotting-covers : en fr
  • DK51200C - Casting compound for use in the manufacture of dental inserts of precious metal. : da en
  • CH182040A - Process for the production of saturated hydrocarbon oils. : de en
  • CA355590A - Vehicular gas cylinder apparatus : en fr
  • CH182013A - Auxiliary device for initiating automatic bobbin changes on looms. : de en
  • DE624927C - Laundry rammer with a spring-loaded foot : de en
  • SU45681A1 - Mobile transformer substation : en ru
  • SU45755A1 - Testing Device Year : en ru
  • US2029218A - Antifrost glass : en
  • CA355620A - Bottle closure : en fr
  • SU45766A1 - Acceptance of the method of manufacture of cutting and piercing tools from layers of metals and alloys of different hardness in the case of application to the cutting parts of milling machines : en ru
  • SU45819A1 - Self-marking target device : en ru
  • US2028905A - Jack : en
  • SU45615A1 - Device for continuous welding and rolling of powdered metals and chips : en ru
  • SU45587A1 - Automated nail cutting machine : en ru
  • GB442041A - Improvements in baths : en
  • DE624861C - Handset for inserting adhesive tear strips into envelopes : de en
  • DE624923C - Process for the production of commodities, e.g. B. economic dishes, ceramic material, glass and. Like. With a metal coating : de en
  • SU45705A1 - The method of obtaining the wax mass : en ru
  • CH182249A - Sheet metal frame, for cycles. : en it
  • DE624766C - Device for separating liquid components from gases or vapors : de en
  • BE413077A - : en
  • FR793592A - Electric capacitors : en fr
  • US2029195A - Shoe sole applying machine : en
  • USD98327S - Design for a shoe : en
  • CA355568A - Kiln retort : en fr
  • CA355627A - Gutta-percha article manufacture : en fr
  • SU45624A1 - Automatic sandbox locomotives : en ru
  • ES3677Y - A new heat radiation system : en es
  • US2029200A - Swinging door mechanism : en
  • PL22535B1 - A method for producing lost calcium carbonate. : en pl
  • CH182258A - Marine turbine drive with at least two propellers. : de en
  • BE412835A - : en
  • CH182230A - Pack with tear-off device, especially for stumps. : de en
  • CH182243A - Signaling device on motor vehicles. : de en
  • SU45595A1 - The method of obtaining molybdenum catalysts : en ru
  • DE624870C - Single pinching machine : de en
  • CH182003A - Cleaning device with metal bristles. : de en
  • BE412887A - : en fr
  • US2029214A - Honeycomb wing construction for airplanes : en
  • DE624710C - Arrangement to prevent incorrect operation of a relay in the event of shocks or inclines : de en
  • DE624839C - Machine for the production of pasta with kneading and pressing screw : de en
  • CH182079A - Typewriter key. : en fr
  • ES3279Y - Device applicable to the base of the mouth of any flask or bottle in the form of vertical holes. : en es
  • GB442213A - Improvements in and relating to that mechanism which is generally known as bowden mechanism : en
  • US2028791A - Wrist watch bracelet : en
  • PL22536B1 - A method of producing a synthetic lotion by condensation of phenols with aldehydes. : en pl
  • PL22537B1 - Device for removing garbage in the garbage truck. : en pl
  • GB442287A - Improvements in or relating to the production of slabs or blocks for sound and heat insulation : en
  • FR793817A - Automatic tooth pulley : en fr
  • GB441988A - Improvements in the manufacture of wound plaster : en
  • FR793771A - Improvements to skis and the like and their manufacturing process : en fr
  • GB441831A - Improvements in devices for filing working drawings and similar articles : en
  • SU45779A1 - Plug valve : en ru
  • US2029144A - Electric discharge device or vacuum tube : en
  • DE624757C - Arrangement for controlling the transmission of energy via high-frequency lines : de en
  • CA355608A - Series lighting system : en fr
  • PL22503B1 - Manufacturing method of fertilizers from the mud after the first saturation and defecation. : en pl
  • US2029142A - Carburetor for combustion engines : en
  • CH181976A - Bottom joint on doors and windows. : de en
  • DE624942C - Method and device for evacuating and closing containers for storing perishable food, in particular roast coffee : de en
  • FR793717A - Pressure regulator combined with a shutter : en fr
  • CA355563A - Display device : en fr
  • CA355633A - Cigarette manufacture : en fr
  • CH181998A - Fork with scraper guided between the tines. : de en
  • DE624917C - Electric, gas-filled discharge vessel with cold electrodes, especially for the purpose of overvoltage protection : de en
  • USD98386S - Design for a boot hook : en
  • DE624531C - Method and device for producing package carriers : de en
  • CH182106A - Thermostat for heat regulator. : de en
  • CH182278A - Process for the preparation of an azo dye. : de en
  • US2029046A - Web splicing device : en
  • SU45629A1 - Device for synchronicity in vision : en ru
  • SU45760A1 - A device for kinematic reproduction on geographic maps of expedition, relocation paths, etc. : en ru
  • CA355593A - Brake shoe : en fr
  • CH182128A - Timepiece using an auxiliary movement and a small synchronous motor. : de en
  • CH182159A - Flying piston machine with at least one internal combustion piston connected to a compressor piston. : de en
  • CA355692A - Metallic magnesium production : en fr
  • SU45810A1 - Motor sleigh : en ru
  • DE624932C - Circuit for anode voltage modulation of a transmitter stage consisting of one or more tubes connected in parallel using a push-pull modulator stage : de en
  • SU45733A1 - A method of making tennis : en ru
  • DE624811C - Security device against theft of motor vehicles : de en
  • PL22584B1 - A device for measuring the volume of standing trees or cut trees. : en pl
  • CA355625A - Bakery product cooling apparatus : en fr
  • CH182219A - Radio receiver with automatic selectivity control. : de en
  • CH181972A - Reinforced concrete beams. : de en
  • DE625014C - Method and device for lining bearing shells : de en
  • DE624787C - Process for the manufacture of glass containers : de en
  • ES3672Y - A tubular lamp holder : en es
  • SU45759A1 - Instrument for determining the relative elongation in percent of a material upon stretching by elongation of a sample : en ru
  • SU45628A1 - Electric butt rail connection : en ru
  • SU45707A1 - Method to protect screen tubes in steam boilers from precipitation : en ru
  • US2028802A - Sink structure : en
  • US2029111A - Device for measuring and indicating tension on cables : en
  • US2029150A - Condition controlled mechanism : en
  • US2029277A - Bubble tray : en
  • FR793673A - Increase in the length and inclination of the backrest of armchairs and the like by advancing the seat : en fr
  • GB441796A - Process for the manufacture of pharmaceutical preparations from vegetable products : en
  • US2028750A - Streamer line rail : en
  • SU45584A1 - Method of gelatinizing starch : en ru
  • US2029153A - Refrigeration process and apparatus : en
  • FR793553A - Improvements in means for generating alternations, in particular usable for signaling : en fr
  • FR793590A - Process for the preparation of new derivatives of alkyltrimethylolmethanes : en fr
  • SU45650A1 - Double Wiring Device : en ru
  • AU2179035A - Improvements in rotary compressors, pumps or the like : en
  • USD98397S - Design for a circulation heater : en
  • CA355554A - Propeller : en fr
  • CA355603A - Gaseous electric discharge device : en fr
  • CA355635A - Wire tying machine : en fr
  • SU45593A1 - Water filtration rate regulator : en ru
  • PL22570B1 - The method of producing azo dyes. : en pl
  • SU45702A1 - The method of obtaining glue from the meal or meal : en ru
  • US2028779A - Apparatus for cleaning pipe lines : en
  • US2028816A - Measuring valve : en
  • US2029047A - Cellular bottom construction for the boat bodies of hydroairplanes : en
  • DE624831C - Expansion switch : de en
  • CH182109A - Display device. : de en
  • CH182259A - Process for the operation of power plants, especially for ship propulsion, with at least three variable pitch propellers, and power plant for carrying out this process. : de en
  • CA355582A - Wiper blade : en fr
  • SU45773A1 - Liquid air powered installation : en ru
  • CA355684A - Grinding disc dressing means : en fr
  • DE624830C - Drive device for rail vehicles by means of an electric motor hanging on the side of the wheel axle : de en
  • SU45737A1 - A method of making gramophone records : en ru
  • US2028873A - Electrical translation device : en
  • SU45578A1 - Vrubov machine with automatically controlled feed rate : en ru
  • SU45758A1 - Nomographic device : en ru
  • US2028862A - Method of producing composite pictures : en
  • US2029004A - Method of and apparatus for molding concrete : en
  • CH182032A - Automatic depositing device on cutting machines for meat and other goods. : de en
  • US2028775A - Electrical condenser : en
  • US2029086A - Method of and an apparatus for charging cellulose digesters or the like : en
  • DE624926C - Process for finishing mercerized yarns : de en
  • FR793707A - T retractable antenna control mechanism. s. f. for aircraft : en fr
  • US2028833A - Oscillation generation : en
  • FI16931A - Sewer connector : en fi
  • DE624823C - Zapper for sockets : de en
  • ES140480A1 - A process for manufacturing a thermionic valve, one of whose essential components is a metal tube. : en es
  • FR793548A - Pocket brush : en fr
  • GB441986A - Improvements in telegraphic transmitters : en
  • SU45633A1 - Calling the selection key : en ru
  • SU45790A1 - Divisible head : en ru
  • US2028973A - Electric switch for alarm clocks : en
  • US2028784A - Hedge cutter : en
  • SU45843A1 - A device for packaging currents of compressed hay, straw, cotton, etc. : en ru
  • US2029053A - Selective speed drive : en
  • CH181971A - Construction element and method for its manufacture. : en fr
  • US2029191A - Phonograph : en
  • US2029247A - Spring seat : en
  • CA355578A - Electrical fan : en fr
  • SU45797A1 - Apparatus for communicating three parts of the register part : en ru
  • USD98356S - Design for a shoe : en
  • SU45788A1 - Method for eliminating noise during rotation of bar material in the guide tube of automatic lathes : en ru
  • US2029094A - Power transmission mechanism : en
  • DE624735C - Swinging web gripper for central winding machines : de en
  • ES139398A1 - An automatic home for coal. : en es
  • ES3261Y - Pool game. : en es
  • US2028928A - Apparatus for making laminated glass : en
  • USD98329S - Design fob a lighting fixture : en
  • FR793813A - Electric water heater : en fr
  • PL22568B1 - A method of making a fertilizer containing lime. : en pl
  • SU45654A1 - Bulk galvanic cell of air depolarization : en ru
  • US2028941A - Bright annealer : en
  • USD98325S - Design for an ash tray : en
  • SU45851A1 - Wind engine : en ru
  • US2028950A - Laminated panel : en
  • US2029137A - Electroresponsive device : en
  • CA355670A - Transporting and guiding means : en fr
  • CH182140A - Coiled metal strip for sticking to objects of all kinds and methods of manufacturing the same. : de en
  • ES139721A1 - A process for making rubber materials, provided with rubber compositions, or containing rubber. : en es
  • FR793831A - Propulsion device for vehicles with hydraulic power transmission, consisting of a turbo-coupling and one or more hydrodynamic or hydrostatic torque transformers : en fr
  • GB441997A - Grass rejuvenator or harrow : en
  • CH181999A - Device allowing two twin beds to be separated simultaneously. : en fr
  • CH182134A - Process for the production of sheet metal disks. : de en
  • DE624908C - Automatic control device for multi-way valves of filters, for example base exchange filters : de en
  • SU45868A1 - High frequency cable : en ru
  • US2029221A - Illuminated display apparatus : en
  • US2029160A - Razor attachment : en
  • DE619480C - Peeling machine, preferably for grains : de en
  • DE624746C - Shaft tensioner for shaft boots : de en
  • DE624836C - Scratch tape : de en
  • CA355681A - Barbituric acid : en fr
  • CH182144A - Ashtray with an ember extinguisher for the remains of tobacco products. : de en
  • CH181979A - Formwork support adjustable in length. : de en
  • SU45767A1 - Method of making powder for magnetic seed cleaning machines : en ru
  • US2028846A - Cellulose pulp for esterification purposes and processing of same : en
  • SU45695A1 - Device for switching and regulating the power of an electric furnace : en ru
  • US2028863A - Method of producing composite pictures : en
  • CH182130A - Method and device for the production of pure beryllium. : de en
  • CH182300A - Process for manufacturing cast iron pipes by centrifugal casting, and apparatus for carrying out this process. : en fr
  • US2028822A - Piston : en
  • US2029069A - Remote control system for electric supply networks : en
  • US2029062A - Lubricating device : en
  • SU45847A1 - Reloading device : en ru
  • USD98297S - Design for a display rack : en
  • CA355577A - Direction indicator : en fr
  • SU45731A1 - Machine for centering and peeling of blockheads going to shelling and similar machines : en ru
  • SU45875A1 - Roller bearing : en ru
  • US2029243A - Engine starting mechanism : en
  • USD98310S - Design for a greasing apparatus : en
  • PL22596B1 - Kk-47 a, 17.- Supported diaphragms. : en pl
  • CH182029A - Heel for shoe. : en fr
  • CH182268A - Process for the preparation of an azo dye. : de en
  • PL22529B1 - Device for mixing gases and liquids. : en pl
  • US2029147A - Core for molding concrete : en
  • US2029245A - Tissue packet : en
  • SU45589A1 - Peat extraction method : en ru
  • USD98349S - Design for a shoe : en
  • CH182286A - Process for the production of a new azo dye. : de en
  • SU45573A1 - Method of lubrication bakery products : en ru
  • SU45800A1 - Foam remover on paper machine : en ru
  • PL22547B1 - Adjustable sleeve guide, rotating with the lathe spindle. : en pl
  • PL22550B1 - . f & U, '? / o. f & U, '? / o. f & U, '? / o : en pl
  • CA355698A - Drill end sharpening die : en fr
  • CH182120A - Device for guiding sound films at the sound recording or scanning point. : de en
  • CH182146A - Light alloy plunger with piston pin. : de en
  • CH181986A - Cistern. : de en
  • CA355666A - Water gas production : en fr
  • FR793584A - Improvements to play take-up devices, in particular for brakes : en fr
  • FR793682A - Improved wheel for agricultural equipment, etc. : en fr
  • DK51194C - Procedure and plant for the destruction of animal carcasses or parts thereof. : da en
  • DE624945C - Keyhole lock for cash boxes, safes, etc. like : de en
  • DE624953C - Process for the production of thin-walled cast iron pipes with a soft outer skin using centrifugal casting and an insert for this purpose : de en
  • FR793787A - Landing gear : en fr
  • AU2098135A - Improved clothes peg : en
  • DE624848C - Matern mass : de en
  • DE625026C - Hot water storage tank connected to a liquid heater by a circulation line : de en
  • CH181987A - Hold-openers for windows and doors. : de en
  • FR793688A - Testing device for mine ignition machines : en fr
  • FR793826A - Instrument particularly intended for the application of luminescent colors or paints : en fr
  • CH182088A - Coffin. : de en
  • CH182118A - Apparatus for the continuous recording and reproduction of photographic recordings on an endless film tape. : de en
  • US2028744A - Braiding machine carrier : en
  • US2028879A - Preparation of alizarin and its salts : en
  • PL22559B1 - A method of catalytically converting nopinene or pinene into other terpenes. : en pl
  • SU45808A1 - Device to turn on the press with two levers : en ru
  • CA355596A - Wrapping machine ejector : en fr
  • CA355683A - Car door lock : en fr
  • CH182213A - Circuit arrangement in telephone systems for adapting a counterweight to changing line impedances. : de en
  • ES3835Y - Head restraints for protective gas masks : en es
  • BE412650A - : en
  • CH182014A - Device for setting cutlery with pointed objects, in particular needles. : de en
  • DE624956C - Device on gas meters for the direct connection of an automatic coin mechanism that controls a poppet valve arranged in a partition of the valve chamber, for optional use as a normal gas meter or automatic gas machine : de en
  • CA355667A - Refrigerating apparatus : en fr
  • DE624817C - Method and device for the production of artificial sausage casings : de en
  • CH182302A - Hydraulic fruit and grape press. : de en
  • DE624690C - Low pressure gas burner : de en
  • DE624515C - Automatic machine for pasting accumulator grids : de en
  • CH182047A - Process for the preparation of a complexed metal-containing dye. : de en
  • SU45775A1 - Internal combustion turbine : en ru
  • US2028843A - Collapsible container or the like : en
  • SU45824A1 - Signaling device for direction finding systems : en ru
  • US2029096A - Hydraulic brake : en
  • US2028885A - Rope lock : en
  • FR793649A - Automatic device for electric heaters : en fr
  • CH182171A - Air cooler. : de en
  • CH182067A - Process for the production of a semi-pulp for further processing on paper, cardboard, cardboard boxes and the like from gramineae and similar stalks. : de en
  • US2028906A - Marker light : en
  • US2029063A - Lubricating device : en
  • US2028757A - Doll construction : en
  • SU45667A1 - Device for automatically switching on synchronous generators on parallel frequency : en ru
  • CA355571A - Metal and alloy purification : en fr
  • CH182049A - Process for the preparation of an azo dye. : de en
  • CH182212A - Teletypewriter with namesake. : de en
  • ES139804A3 - Procedure for cutting gummed fabrics. : en es
  • CH182119A - Vinyl record. : de en
  • GB441879A - Coating and filling materials : en
  • ES140090A1 - A procedure of impulsion by reaction that is verified in the extremities of the blades of the aerial propellers or of propulsion of the aircraft. : en es
  • FR793718A - Typewriter Improvements : en fr
  • PL22533B1 - Device for sticking strips of paper, cork and the like to form cigarette mouthpieces on a cigarette paper strip. : en pl
  • US2029065A - Closure device : en
  • ES140235A1 - A procedure for construction of underground shelters. : en es
  • FR793501A - Asphaltic material and its manufacturing process : en fr
  • GB441829A - Vacuum flask : en
  • US2028884A - Lamp, tube, and similar devices : en
  • US2028942A - Electrical entrance plug : en
  • FR793740A - Improvements to monobloc vehicle chassis : en fr
  • FR793810A - Machine for the production of chocolate articles of different kinds : en fr
  • CA355557A - Oxygenated organic compound : en fr
  • GB441992A - Improvements in and relating to electric ironing or pressing machines : en
  • ES140481A1 - DRYER WITH PNEUMATIC CIRCULATION : en es
  • PL22592B1 - The circuitry to reduce the attenuation of the tuned circuits. : en pl
  • GB441812A - Method for obtaining bearing metallic surfaces resistent to wear and to seizure : en
  • SU45741A1 - Artificial horizon for aircraft : en ru
  • CH182026A - Device for the automatic sorting of fastening clips and uninterrupted supply of the same in the same suitable position to their removal point, specifically for use in machines that provide fastening of the clips. : de en
  • CH182111A - Libra. : de en
  • CH182174A - Cover for electric accumulator element. : en fr
  • CA355638A - Dresser set component : en fr
  • CH182108A - Vehicle speed recording device. : en fr
  • CH182285A - Process for the production of a new azo dye for natural or cellulose acetate silk, wool or leather. : de en
  • US2029032A - Machine for slicing meats : en
  • US2029248A - Preservation of animal tissues : en
  • GB442086A - Improvements in typographical composing and distributing machines : en
  • FR793632A - Device for converting a reciprocating rectilinear motion into continuous rotary motion, and vice versa : en fr
  • FI16877A - The mold used for the paint brush and its parts : en fi
  • GB441809A - Improvements in or relating to grits cleaning machines : en
  • ES139811A3 - Procedure for making tires on flat drums. : en es
  • FR793790A - Coin selector for vending machines : en fr
  • ES137890A1 - Improvements in the manufacture of footwear. : en es
  • US2028998A - Method of sweetening hydrocarbon oils : en
  • US2029057A - Lubricant cooling device : en
  • DE624901C - Large gas engine cylinders : de en
  • GB441781A - Improvements in or relating to the moistening of tobacco : en
  • GB441912A - Improvements in or relating to artificial resin plasticisers : en
  • GB441956A - Improvements in the manufacture of acetic anhydride : en
  • ES3823Y - Glass fastening device to the frames in which they are placed by means of bolts without screws : en es
  • SU45771A1 - Connecting piston pin with connecting rod head : en ru
  • US2028752A - Photographic camera : en
  • USD98392S - Design for a lace : en
  • DK51189C - Gamache. : da en
  • SU45588A1 - A method of matting artificial silk : en ru
  • SU45601A1 - The method of obtaining terpindialov : en ru
  • SU45639A1 - Device for stabilizing the frequency of the lamp generator : en ru
  • SU45693A1 - Non-polarized electrode : en ru
  • SU45791A1 - Continuous hydraulic continuous operation machine : en ru
  • SU45780A1 - Automatic shut-off valve for hydroaccumulator : en ru
  • ES140424A1 - Device for the production of vinegar. : en es
  • FR793782A - Liquid cooling device for internal combustion engines : en fr
  • PL22560B3 - : en pl
  • FI16897A - Method of construction of building walls and water roof : en fi
  • GB441942A - Improvements in or relating to load-suspension trollies : en
  • GB442047A - Improved wetting agents suitable for use in alkaline baths : en
  • FR793522A - Gradual gear change without clutch : en fr
  • FR793752A - Elevated Wing Unguided Aircraft : en fr
  • US2029051A - Bottle holder : en
  • GB441960A - Improvements in the manufacture of boxes or cartons : en
  • GB442050A - Coating surfaces : en
  • US2029106A - Refrigerating system : en
  • US2029281A - Tree holder : en
  • ES3555Y - Guillotine closure, hermetic and folding : en es
  • FR793639A - Process for preparing a wetting and adhesive product for insecticide or anti-cryptogamic slurries : en fr
  • USD98342S - Design for a shoe : en
  • ES140256A3 - Improvements introduced in the construction of stoves-boilers. : en es
  • GB441849A - Improvements in and relating to electron discharge devices : en
  • FR793636A - Diffuser-spreader device for liquid, pulverulent or other materials : en fr
  • DE624997C - Circuit for self-connection systems : de en
  • US2029259A - Closure for containers : en
  • GB441910A - Improvements in and relating to mercury power plants : en
  • ES140518A1 - Detachable plow, for fixed mouldboard and mobile mouldboard. : en es
  • GB441900A - Improvements in or relating to apparatus for separating solids from gases : en
  • DE624951C - Safety device for overhead line buses : de en
  • USD98318S - Design fob an ash tray : en
  • US2029175A - Portable refrigerator : en
  • US2029274A - Radial plain bearing : en
  • PL22525B1 - AROUND * l / 03. A core or mold for casting blocks and other heavy castings, and a method for casting complex blocks. : en pl
  • PL22549B1 - M «P bklj 4? / # F Dry cylinder. : en pl
  • DE624783C - Process for the pretreatment of raw animal hides for the production of glue and gelatine : de en
  • ES140369A1 - A system of combined boxes for the washing of mineral coal concentration. : en es
  • CA355581A - Explosion motor exhaust apparatus : en fr
  • US2028849A - Flying decoy : en
  • FR793828A - Improvements to reinforced concrete constructions : en fr
  • FR793737A - Improvements in the production of artificial filaments, and particularly of the nature of those used in the textile industry : en fr
  • CH182036A - Device for the distribution of gases and vapors in liquids. : de en
  • CH182087A - Instrument for drawing curves. : en fr
  • SU45859A1 - Brown tube : en ru
  • DE616838C - : de en
  • US2029196A - Motor sleigh : en
  • CA355613A - Gaseous electric discharge device : en fr
  • US2029012A - Phonograph record and method of making the same : en
  • US2029101A - Method of re-covering books : en
  • SU45661A1 - Circuit breaker : en ru
  • BE412717A - : en fr
  • FR793564A - Electric lamp : en fr
  • FR793605A - Telephone sterilizer : en fr
  • DE624694C - Horizontal press with a fixed immersion tank for treating cellulose tablets with alkali : de en
  • DK51188C - Procedure for the Production of High Viscosity Products by Polymerization of Fatty Oils. : da en
  • US2029109A - Refrigerating apparatus : en
  • ES138601A1 - Improvements in the procedure of building economic kitchens. : en es
  • FR793692A - Improvements to scales : en fr
  • GB441797A - Improvements in and relating to magnesium alloys : en
  • US2029172A - Material for leather substitute and other purposes : en
  • US2029067A - Wheel measuring device : en
  • GB441894A - Improvements in electric primary cells : en
  • SU45756A1 - Method for determining cotton moisture : en ru
  • PL22569B1 - : en pl
  • PL22582B1 - A method of making cigarette bags and an apparatus for carrying out the method. : en pl
  • FR793529A - Improvements made to threads of silk, linen, hemp and all other textile materials with the aim of increasing their coefficient of resistance : en fr
  • GB442084A - Improvements relating to fuel injection pumps for internal combustion engines : en
  • ES3768Y - A rubber sole for ladies footwear : en es
  • DE624985C - Discharge device for centrifugal machines working with discharge screws : de en
  • FR793701A - Shoe : en fr
  • US2029118A - Driving mechanism : en
  • USD98345S - Design fob a shoe : en
  • GB441913A - Improvements relating to automatic arc lamp mechanism : en
  • ES140434A1 - An automatic device to measure liquids. : en es
  • FR793788A - Crimped cap closure for bottles and flasks of all kinds : en fr
  • CA355641A - Sorting machine : en fr
  • CH182016A - Process for the production of hydrophilic cut fabric pieces for cleaning purposes. : de en
  • PL22574B1 - Process for the production of water-resistant, alkaline or neutral calcium sulfite in the form of lumps. : en pl
  • DE624809C - Device for the automatic switching of a change gear, in particular of motor vehicles : de en
  • US2029026A - Press : en
  • ES140516A3 - Manufacturing process of covers or bedspreads, one piece, rugs, table runners, cushions, curtains or portiers, quilts and similar items, in any kind of measurements and drawings. : en es
  • FR793634A - Further development of air-depolarized alkaline batteries : en fr
  • GB441823A - Improvements in mounting and cooling engines for aircraft : en
  • USD98399S - Design for an air line gauge : en
  • FR793838A - Toilet paper roll : en fr
  • CH182232A - Device on strollers. : de en
  • GB442082A - Improvements in epicyclic variable speed gearing : en
  • GB442085A - Improvements in and relating to cabinets and like articles of furniture : en
  • ES139906A3 - A machine for smoothing razor blades. : en es
  • GB441923A - Improvements in or relating to diesel engines : en
  • US2029270A - Electric valve protective system : en
  • US2028795A - Process for conversion and hydrogenation of heavy petroleum oils and apparatus : en
  • GB441985A - Improvements in and relating to electric discharge lamps : en
  • US2028810A - Shirt : en
  • DE624769C - Arrangement for regulating the overheating temperature in water-tube boilers with a pulverized coal furnace working with the return of flue gases : de en
  • DE624998C - Power cable with a device for displaying insulation faults and the location of the fault : de en
  • DE625798C - Stuffing box seal with metallic packing made of sealing rings arranged in angular chambers, in which one of the chamber walls perpendicular to the shaft axis to be sealed is elastic : de en
  • GB441897A - An improved friction clutch : en
  • US2028980A - Inorganic colored pigment and process of preparing the same : en
  • US2029042A - Variable speed mechanism : en
  • US2029156A - Oxide flotation : en
  • SU45871A1 - Method of making metal ingots : en ru
  • ES140145A1 - AN AUTOMATIC VOLTAGE REDUCING ELEVATOR : en es
  • CA355669A - Rail splice : en fr
  • FI16913A - Driving order for the floor plate in the membrane compartment o.dyl. : en fi
  • US2029131A - Wrapper of transparent or ornamental character and method of making the same : en
  • DE624782C - Process for the preparation of acidic wool dyes of the antraquinone series : de en
  • FI16896A - Isolering : en fi
  • GB441973A - Improvements in apparatus for protection against fire in cinematograph projection rooms : en
  • FR793736A - Improvement of cardboard packaging boxes : en fr
  • ES3737Y - A tabletop toy : en es
  • DE624880C - Procedure for registering the switching operations indicated by a luminous circuit diagram : de en
  • FR793832A - Cage with compensation flux in polyphase electrical transformers, voltage variations produced by load imbalance : en fr
  • FR793739A - Mechanical toy, kind of miniature tank : en fr
  • FR793743A - DC generator with two voltages, one variable uo, the other constant : en fr
  • GB441787A - Improvements in electrodes : en
  • CH182052A - Process for the production of a vat dye. : de en
  • USD98337S - Design fob a shoe : en
  • ES3527Y - Improvements in traffic marking nails : en es
  • DE624810C - Security device against theft of motor vehicles : de en
  • FR793608A - Railroad track mounting device : en fr
  • ES3782Y - Electrically operated compressor pump for lifting chair seats or operating table tops forming a single piece with their base : en es
  • DE624819C - Frame end beveling and stitching machine : de en
  • DE624946C - Relief-like images : de en
  • DE624970C - Gas-filled electric discharge lamp with a vaporizable substance, the vapor of which takes part in the emission of light, and a glow electrode : de en
  • ES140197A1 - Continuous machine to paint, gum and dry fabrics. : en es
  • DE624697C - Line measuring device for register strip punching machines : de en
  • FR793542A - Circuit breaker : en fr
  • FR793581A - Electric lamp : en fr
  • FR793667A - Recreational device : en fr
  • DE624939C - Centrifugal contact regulator with axially parallel contact spring : de en
  • CH182117A - Device for recording sounds in depth. : en fr
  • US2028741A - Bridge construction : en
  • US2028907A - Condenser : en
  • IE13872L - Packaging : en
  • DE624893C - Inclined grating of large width : de en
  • DE624962C - Wandering pit support : de en
  • ES3280Y - Device applicable to the base of the mouth of any flask or bottle in the shape of a circular groove. : en es
  • USD98381S - Design fob a nonrepeating indicator : en
  • FR793723A - Improvements to photographic emulsions : en fr
  • SU45793A1 - Rennet Enrichment Method : en ru
  • PL22564B1 - Air compressing device. : en pl
  • ES140485A1 - Infantry cannon, also called mortar, with its corresponding accessories. : en es
  • FI16921A - Grinding machine or lathe to be connected to a sewing machine : en fi
  • FR793804A - Device for crossword puzzles : en fr
  • GB441808A - Improvements relating to apparatus for playing table games : en
  • US2028793A - Interference preventing cable : en
  • US2028858A - Water column displacement weight : en
  • FI16893A - If necessary, the furniture may be fitted with a ligature : en fi
  • GB441962A - Improvements in hats : en
  • DE624826C - Sleeve seal for a centrifugal machine with discharge or supply of the goods through axial pipes sealed against the elastically mounted drum : de en
  • FR793637A - Improvements to devices for mounting ball or roller bearings on axle boxes, rolling mill bearings or other : en fr
  • FR793725A - Improvement in closure devices for bottles, flasks or other containers : en fr
  • GB441989A - Improvements in pistons : en
  • ES3810Y - Guillotine closure : en es
  • GB441918A - Snap fastener for trim strips : en
  • SU45579A1 - Coal combine : en ru
  • USD98412S - Design for a dress : en
  • USRE19840E - Laminated panel and fabrication : en
  • SU45708A1 - Gas generator with liquid slag removal : en ru
  • SU45850A1 - Mobile dryer for drying bulk materials in suspension : en ru
  • US2028770A - Freight container : en
  • US2028994A - Notebook binding : en
  • DK51181C - Decorative collar for women's clothing and similar garments. : da en
  • US2029240A - Fluid pressure motor : en
  • US2029251A - Combined lamp structure and hanger : en
  • USD98324S - Design fob a shoe ob semilab abticle : en
  • SU45822A1 - Telemetry device : en ru
  • US2028965A - Apparatus for registering and aligning printers' forms, plates, and the like : en
  • SU45635A1 - Frequency multiplier : en ru
  • USD98341S - Design for a shoe : en
  • DE624792C - Reversible wall board : de en
  • FR793733A - Small items vending machine : en fr
  • US2028904A - Coal cleaning apparatus : en
  • US2029130A - Switch mechanism : en
  • FR793534A - Silencers for internal combustion engines : en fr
  • DE624867C - Mixing device for the delivery of liquids, especially light liquids : de en
  • DE624964C - Process for the photochemical oxidation of organic and inorganic compounds : de en
  • SU45696A1 - Method for driving a roller electrode in seam welding machines : en ru
  • DE624975C - Gas heating stove with heat storage : de en
  • ES140458A1 - A procedure that allows obtaining an industrial explosive. : en es
  • ES140425A3 - A process for the manufacture of a product commonly called crystallized gauze. : en es
  • GB442073A - Improvements in the production of crimped filaments, yarns or fibres : en
  • US2028796A - Application of finely divided material to articles of manufacture : en
  • US2029011A - Seamless tank : en
  • FI16906A - Harrow : en fi
  • FI16927A - Suksiside : en fi
  • FR793728A - Balanced door for closing the oven vents : en fr
  • US2028968A - Lining for vessels : en
  • DE624637C - Process for the production of nitrogen-containing clumps of dibenzanthrone : de en
  • DE624754C - Double-walled pile cutter : de en
  • GB442010A - Ventilating buildings, vehicles and ships : en
  • SU45679A1 - Device for recording reactive electrical energy in three-phase AC networks : en ru
  • DE624728C - Rotary piston internal combustion engine : de en
  • CA355550A - Pipe fitting : en fr
  • FI16930A - Grain dryer : en fi
  • GB441994A - Improvements in friction wheel spindle presses for the production of ceramic plates : en
  • SU45644A1 - Device for wireless telegraph reception : en ru
  • US2028740A - Trimming strip : en
  • CA355621A - Glassware forming method : en fr
  • SU45643A1 - Device for receiving telephone or pulse signals : en ru
  • USD98404S - Design fob a coat : en
  • US2028853A - Method of forming thin metallic films by cathode disintegration : en
  • CH182167A - Device on carburetor engines for supplying additional air to the fuel-air mixture line. : de en
  • CH182110A - Household scales. : de en
  • CH181981A - Snow blower. : de en
  • US2028919A - Textile picker : en
  • CH182113A - Regulating brake for calculating machines. : de en
  • CH182006A - Device for cleaning animal fibers such as fleece wool and plucked wool. : de en
  • US2028934A - Condenser induction motor : en
  • US2029003A - Art of dentistry : en
  • SU45713A1 - Dust Fuel Nozzle : en ru
  • US2028838A - Container and dispenser : en
  • USD98354S - Design for a shoe : en
  • US2028947A - Leg protecting device : en
  • USD98366S - Design for a chest or similar article : en
  • PL22575B1 - Stainless steel. : en pl
  • SU45823A1 - Fast Giant Pointer for Electric Measuring Instruments : en ru
  • BE412697A - Device intended to make the characteristics of an electrical machine independent of temperature : en fr
  • US2029090A - Means for separating minerals from ores : en
  • US2029201A - Swinging door mechanism : en
  • CH182227A - Method and device for the preparation and supply of the wrapping sheets intended for packing items of goods by means of a wrapping machine. : de en
  • PL22517B1 - Automatic device for regulating the distance between brake blocks and wheels of railway cars. : en pl
  • CA355639A - Cast type : en fr
  • CH182121A - Photoelectric light meter. : de en
  • CA355612A - Electromagnet : en fr
  • US2028841A - Means for eliminating static and other distrurbances : en
  • USD98298S - Design for lace : en
  • USD98302S - Similar article for wearing ap- : en
  • SU45717A1 - The method of clarification of oak tanning juices : en ru
  • US2028815A - Valve : en
  • USD98331S - Design for a refrigerator cabinet : en
  • CA355624A - Tire stitching device : en fr
  • CA355645A - Thermal insulator : en fr
  • CH182008A - Spindle bearings on winding machines with double-armed winding frames. : de en
  • BE412696A - Device intended to make the characteristics of a resistive circuit independent of temperature : en fr
  • CH182199A - Electric discharge tube filled with metal vapor. : de en
  • DE624736C - Starting device for electrically powered sewing machines : de en
  • FI16888A - For the purposes of this Regulation : en fi
  • FR793654A - Mechanical liquid spray extinguishers : en fr
  • CH182037A - Process for the preparation of catalysts in a particularly active form. : en fr
  • US2028848A - Perforator : en
  • CH182009A - Multi-strand wire rope. : de en
  • CH182035A - Device for conveying and simultaneous impregnation or mixing of liquids, in particular of non-alcoholic beverages. : de en
  • CH182189A - Automatic control device, each with an electromagnetic dither controller for several parallel working DC machines in electrical systems on motor vehicles. : de en
  • US2029242A - Chain stitch sewing machine : en
  • DE624937C - Test terminal for auxiliary lines in electrical switchgear : de en
  • US2029132A - Wheel balance : en
  • CH182112A - Terminal block for electrical measuring devices. : de en
  • CH182179A - Small engine. : de en
  • AU2064734A - Improvements in and relating to beverage cooling and dispensing apparatus : en
  • CA355648A - Parachute pack mechanism : en fr
  • PL22586B1 - A device for protecting the rotor winding of electrical machines. : en pl
  • US2029178A - Four-speed vehicle transmission : en
  • USD98393S - Design for a pocket lighter or : en
  • CH182202A - Collapsible, portable device for the removal of the sick and wounded. : de en
  • CH181975A - Roof rack. : de en
  • DE624897C - Extending table with an insert that can be moved horizontally upwards : de en
  • FR793617A - Battery enhancements : en fr
  • CH182145A - Vibration damper. : de en
  • CH182083A - Process for generating contrasts with the aid of benzene diazonium compounds. : de en
  • CH182126A - Timepiece. : en fr
  • SU45585A1 - Tool for automatically feeding the rolled material into rolls : en ru
  • US2028746A - Knitted lining for rubber footwear : en
  • CH182292A - Process for the production of a new azo dye. : de en
  • US2029075A - Electric heating element : en
  • US2029199A - Handle : en
  • CA355598A - Closure for containers : en fr
  • CA355623A - Plastic and elastic material : en fr
  • CH182242A - Vehicle, in particular for roads and railways. : de en
  • ES140100A1 - Repulsion motor. : en es
  • CA355589A - Siphon bottle filling machine : en fr
  • CA355643A - Cigar feed : en fr
  • GB441792A - Improvements to machines for physical treatment of cellular and fibrous materials : en
  • CA355567A - Bottle capsule : en fr
  • SU45682A1 - The method of changing the frequency of alternating current : en ru
  • SU45720A1 - The method of preparation of colloidal hydroxide : en ru
  • US2029045A - Web roll speed control : en
  • CH181969A - Irrigation device. : de en
  • US2029228A - Eye testing and recording apparatus : en
  • USD98303S - Similar article for wearing ap- : en
  • CH182135A - Process for plating metal sheets, plates, etc. : de en
  • DE624759C - Process for burning powdered fuel and burners for carrying out the process : de en
  • DK51176C - Ajlespreder and Ajlenedfælder. : da en
  • CH182096A - Automatic bowling game. : en fr
  • CA355685A - Mail bag lock : en fr
  • PL22572B1 - A method of producing pipes with a soft outer layer by centrifugal casting in molds. : en pl
  • CA355693A - Saw sharpening machine : en fr
  • US2029055A - Dispenser : en
  • USD98358S - Design for a service station : en
  • US2028920A - Labeling and wrapping machine : en
  • FR793537A - Attachment device : en fr
  • GB442138A - Improvements in and relating to metallic flexible tubing and particularly to improvements in mechanism generally known as bowden mechanism : en
  • AU2099235A - sImprovements in overalls and certain other garments : en
  • CH182102A - Optical measuring device applied to a machine. : en fr
  • CH182204A - Process for the preparation of durable injectable solutions of trisubstituted barbituric acids. : de en
  • CH182266A - Process for the preparation of a new disazo dye. : de en
  • CA355668A - Load fluctuation balancing method : en fr
  • CH182262A - Siphon. : de en
  • CA355588A - Road material mixing machine : en fr
  • CA355696A - Earth anchor : en fr
  • CH182098A - Card game. : de en
  • US2029080A - Combination lock : en
  • USD98294S - Design fob an emblem : en
  • USD98316S - Design for a memorandum pad : en
  • USD98288S - Design fob a fender guide : en
  • DE624657C - Control apparatus for simple arithmetic operations : de en
  • DE624762C - Pivot bearing for metal windows, especially for pivot and turning sashes : de en
  • SU45866A1 - Spatial direction finding method : en ru
  • DE624807C - Riding saddle frame : de en
  • PL22552B1 - The method of digging up potato stalks. : en pl
  • DE624991C - Process for removing chlorophyll from vegetable matter : de en
  • AU2098835A - Improvements in or relating to constructions of aerial systems for use on shortwaves : en
  • AU2099535A - Process forthe manufacture of organic mercury silicon compounds : en
  • USD98385S - Design for a decorative alphabet : en
  • FI16891A - Förfaringssätt for alstring av flammor med hög temperatur för autogen-tehniken resp. för belysning, värme- och andra tehniska ändamål : en fi
  • FR793609A - Cremona : en fr
  • GB441932A - Improvements in rolling mills : en
  • USD98411S - Design for a stove : en
  • US2028970A - Process of preserving fruit and vegetables : en
  • US2029224A - Dam : en
  • DE624824C - Process for forming a strand containing alternating tobacco algae and filter algae : de en
  • FR793587A - Packing box, removable, in wood : en fr
  • IE14121L - Stiffened fabrics and articles of apparel : en
  • CH182183A - Box for the junction of electric cables with insulation impregnated with a liquid. : en fr
  • ES140483A1 - Improvements in the construction of appropriate cables for the transmission of high frequency electric currents. : en es
  • GB442369A - Improvements in methods of preparing secondary alkyl resorcinols : en
  • US2028911A - Process for making tungsten carbide castings : en
  • US2029250A - Mobile ground working device : en
  • CH182290A - Process for the production of a new azo dye. : de en
  • FR793547A - Tuning device for the local oscillator circuit of a superheterodyne receiver : en fr
  • DE624770C - Compression refrigeration machine : de en
  • SU45598A1 - Acidic method of processing borocalcites and the like containing boron ores into boric acid and calcium salts : en ru
  • USD98340S - Design fob a shoe : en
  • GB441926A - Improvements in and connected with bakers' peel ovens : en
  • ES139928A1 - Packaging manufacturing process with new lid opening system. : en es
  • ES3716Y - A removable foot for support columns of hairdressing appliances and the like : en es
  • FR793669A - Optical device for taking stereoscopic images and their projection : en fr
  • GB441817A - Improvements in or relating to magnetron tube arrangements : en
  • SU45649A1 - Multiple communication device : en ru
  • US2029078A - Filtering device : en
  • CA355632A - Power factor correction : en fr
  • DE624960C - Iron sheet pile wall : de en
  • DE625002C - Process for pressing protruding parts into hardenable insulating material : de en
  • CH182085A - Grating, photographic emulsion slide holder for stereophotography and the like. : en fr
  • DE624977C - Process for coring fine ores and other raw materials, especially roasted cover : de en
  • DE624750C - Screw extruder with ventilation : de en
  • ES140444A1 - Procedure for the assembly and reinforcement of overlapping chassis or motor vehicles for transport. : en es
  • DE624843C - Conversion of resins into hydrocarbons : de en
  • ES2915Y - Bigoudi or hair curler. : en es
  • FI16898A - Parquet floor : en fi
  • DE624709C - Electric dwarf incandescent lamp with a lens-shaped top having a bell : de en
  • DE624986C - Centrifugal machine with milk container arranged axially over the drum : de en
  • GB442221A - Improvements in or relating to joints for connecting rails and the like : en
  • PL22520B1 - Compressed air braking device. : en pl
  • PL22561B1 - Separable drag for the production of metal pipes by extrusion or forcing. : en pl
  • FI16887A - Kopplingsanordning för impulssändning vid telefonanläggningar : en fi
  • GB442004A - Improvements relating to moulds for the centrifugal casting of hollow metal bodies : en
  • FR793628A - Process for the preparation of barley products, malted or unmalted, intended for the manufacture of beer : en fr
  • US2028900A - Demountable freight container : en
  • US2029129A - Means for and method of connecting an exhalation valve, separator, or similar element with the face piece of a respirator, gas mask, or the like : en
  • US2028961A - Making of packing rings : en
  • US2029029A - Imprinting means for identifying charts of recording instruments : en
  • US2029037A - Processing of metal parts : en
  • CH182263A - Steamer. : de en
  • ES2924Y - Announcing device applicable to tables. : en es
  • GB441779A - An apparatus for punching index cards : en
  • FR793566A - A method of closing envelopes and a machine for closing envelopes according to this method : en fr
  • DE624631C - Switching device with electromagnetic drive in one direction and mechanical drive in the other direction : de en
  • CH182298A - Process for the production of a vat dye of the fluorindine series. : de en
  • ES3206Y - Container or holder for cloth or paper towels used for drying hands. : en es
  • ES3727U - Frame for pictures, photographs, posters, advertisements and analogues (Machine-translation by Google Translate, not legally binding) : en es
  • FR793753A - Demountable steam oven for bread making and other similar applications : en fr
  • FR793545A - Improvements to carburettors for internal combustion engines : en fr
  • FR793648A - Apparent solidification process, temporary or permanent, of liquids : en fr
  • FR793750A - Method and installation of synchronized control by electric motors : en fr
  • US2029231A - Sampling device : en
  • DE624774C - Telecommunication cable with core groups for low frequency operation and for high frequency and especially carrier frequency operation : de en
  • ES3617Y - A cardboard box with a hanger for storage and for transporting clothing : en es
  • GB441800A - Improvements in or relating to wooden doors, shutters and the like : en
  • SU45623A1 - Brake device to the trolley inclined monorail : en ru
  • SU45880A1 - Brake for motor carts : en ru
  • CA355654A - Calcium nitrate production : en fr
  • CH182160A - Two-stroke internal combustion engine. : de en
  • CH182182A - Terminal for electrical wire connections. : de en
  • FR793504A - New amino-carboxylic acids and their preparation process : en fr
  • FR793874A - Wheel train : en fr
  • FI16909A - Method of manufacture of fresh feed preservative : en fi
  • GB442026A - Improvements in and relating to the production of electric steel : en
  • DK51180C - Electrical Thermal Contact Apparatus : da en
  • USD98315S - Design fob a wine cooling bucket : en
  • USD98396S - Design for a bottle : en
  • SU45748A1 - The method of obtaining a piezoquartz sonic standard : en ru
  • CH182053A - Process for the preparation of a dye of the dioxazine series. : de en
  • CH181994A - Fur. : de en
  • GB441935A - Improvements in safety razors : en
  • GB442091A - Improvements in and relating to collapsable and extensible linkages : en
  • GB442351A - Improvements in and relating to elastic fluid power plants : en
  • CH182044A - Process for the production of a product which is suitable as an emulsifying or dispersing agent or as an auxiliary agent for the textile industry. : de en
  • CH182148A - Speed increase or reduction gear. : de en
  • DE624804C - Control device to keep the moisture gap constant in the grinding process : de en
  • ES140404A1 - A seeder machine. : en es
  • FR793829A - Advanced optical system : en fr
  • SU45776A1 - Adapter sleeve for ball and roller bearings : en ru
  • US2029028A - Electric circuit interrupter and separable contacts therefor : en
  • US2029220A - Method of making design printing : en
  • SU45862A1 - Radio : en ru
  • US2028936A - Carrier web for the formation of thin transparent films : en
  • US2029110A - Fuel saving device : en
  • ES136902A1 - Improvements in metal defenses for roads. : en es
  • ES2950Y - New model of standard meter for gasoline. : en es
  • FR793742A - Improvements in the control of the electrical characteristics of direct current generators and transformers : en fr
  • US2028985A - Fan : en
  • GB441882A - Improvements in and relating to cable impregnating compounds : en
  • DE624838C - Conveyor or sieve device suspended freely swinging : de en
  • FI16899A - Restrictions : en fi
  • GB441892A - Improvements in and relating to alternating current supply systems : en
  • DE624751C - Device for packing floury goods : de en
  • ES139808A1 - A new procedure of division of scales. : en es
  • PL22532B1 - Catalyst for carrying out the reaction of water gas and the method of its production. : en pl
  • US2028755A - Breather valve : en
  • US2029120A - Separation of unsaturated hydrocarbons from gas mixtures containing the same : en
  • CA355628A - Synthetic rubber : en fr
  • CH182211A - Circuit arrangement for telegraph systems with connection transmission devices. : de en
  • SU45607A1 - Reversible rocker steam distribution mechanism : en ru
  • US2028949A - Filter : en
  • ES4274U - A combined case to hold cigarette paper and matches (Machine-translation by Google Translate, not legally binding) : en es
  • FR793508A - Apparatus for wetting or erasing envelopes of letters, labels and the like : en fr
  • GB442068A - Improvements in and relating to motor vehicles : en
  • GB442113A - Improvements in or relating to operating handles for manually propelled floor cleaning tools : en
  • DE625025C - Manufacture of sterile, surgical sutures : de en
  • GB441833A - Improvements in and relating to alloys : en
  • ES3607Y - A new model of accumulator batteries : en es
  • FR793573A - Profile iron cutting shears with automatic blade adjustment : en fr
  • DE624900C - Thermostatically controlled auxiliary lubrication device : de en
  • DE624911C - Index sheet with flexible memo plates : de en
  • ES139396A1 - An improved method, with the corresponding mechanism, to supply yarn to the needles of knitting machines. : en es
  • GB442034A - Improvements in and connected with lifting trucks or trolleys and other apparatus for lifting and lowering loads : en
  • US2029017A - Pasteurization : en
  • FR793778A - Device for rotating piston machines : en fr
  • FR793699A - Polyazo dyes capable of being transformed into copper dyes : en fr
  • FR793677A - Product for desulphation of electric accumulator batteries operating by contact with sulfuric acid : en fr
  • DE624259C - Device for covering especially cellulose hydrate films with a wax layer : de en
  • DE624701C - Device for extracting gas from liquid gas containers : de en
  • FR793768A - Process for preparing beta-bromethylbenzene : en fr
  • DE603882C - Self-collecting additional device for self-connection telephones at telephone subscriber stations : de en
  • GB441924A - Improvements in or relating to pipe lines : en
  • DE624909C - Shell iron placed on flexible pit stamps perpendicular to their axis in their plane to support the hanging wall : de en
  • GB442037A - Improvements in the bleaching or other treatment with liquid of artificial silk yarn : en
  • GB442056A - Improvements in apparatus for silencing gaseous currents : en
  • DE624763C - Process for making refractory bricks : de en
  • ES139228A1 - An apparatus for operating electric and synchronous AC machines. : en es
  • GB441963A - Improvements in submarine mines : en
  • GB442053A - Improvements in synthetic resin composition : en
  • ES3659Y - Improvements in the construction of a double acting valve : en es
  • FR793651A - Motion picture magazine loading apparatus for cameras using film : en fr
  • DE624723C - Device for the electrolytic separation of copper-silver alloys : de en
  • DE624771C - Cooling chamber with a coolant tank and a closed circulation system for a cold transmission fluid : de en
  • SU45751A1 - Device for determining the temperature of saturated vapors of liquid fuels : en ru
  • US2029202A - High pressure safety gauge cock : en
  • CA355655A - Luggage : en fr
  • CH182195A - X-ray secondary iris diaphragm and methods and apparatus for making them. : de en
  • BE412684A - : en
  • PL22553B3 - Impact fuse for hand grenades and other projectiles. : en pl
  • CA355570A - Piston ring expander : en fr
  • CA355595A - Propeller blade securing apparatus : en fr
  • CH182305A - Packaging for luxury food plants, such as spices, tea, coffee, in sizes for small quantities for sale and consumption. : de en
  • CA355676A - Sheet metal nut : en fr
  • CH182025A - Process for examining silks and yarns of any color. : en fr
  • US2028925A - Steam generator : en
  • DE624864C - Film advance device : de en
  • SU45610A1 - Device for mechanical pouring of water during freezing of ice : en ru
  • CH181997A - Holder with display card, in particular for menus and drinks. : de en
  • CH182094A - Stirrup for ski binding. : en fr
  • USD98346S - Design fob a shoe : en
  • PL22548B1 - The electrolytic cell and the method of its production. : en pl
  • US2029099A - Sewing machine : en
  • BE412938A - : en
  • US2028850A - Machine tool feed : en
  • US2029223A - Feeding mechanism for rock drills : en
  • DE624816C - Temperature control device for barrels with beverages : de en
  • CH181970A - wooden wall for houses. : de en
  • PL22571B3 - Method for producing iron carbonyl. : en pl
  • SU45852A1 - Device for adjusting vertical wind turbines using a rudder : en ru
  • USD98403S - Design for a smoking stand : en
  • US2028889A - Electrical face treating mask : en
  • US2028813A - Sheet feeding and delivering mechanism : en
  • CH182223A - Advertising lettering on materials that wear off with use, especially soap. : de en
  • FR793565A - Process for the mechanical machining of any parts : en fr
  • DE625004C - Use of alloys based on copper-zinc for highly stressed storage and braking purposes : de en
  • DK51196C - Radio receiver or similar apparatus with oscillating circuits that can be tuned to different frequencies. : da en
  • ES3859Y - Beach skates with rubberized fabric floats or made entirely of rubber : en es
  • ES3754Y - A laundry room : en es
  • FR793556A - Correction device for color television receivers : en fr
  • GB441903A - An improved road surface marking stud : en
  • GB441899A - Improvements in and relating to machine clutches : en
  • SU45703A1 - Method for stabilizing casein glues : en ru
  • SU45874A1 - Roller bearing : en ru
  • US2028861A - Apparatus for treating articles : en
  • FR793502A - Improvements to electrolytic devices such as capacitors, rectifiers and the like : en fr
  • CA355548A - Rod holder : en fr
  • CH182137A - Process for the production of ready-to-use, quick and hard shrinking bottle caps from gelatine. : de en
  • DE624943C - Device for the production of bags, bags or the like. : de en
  • FI16918A - Anordning vid drivmekanism för cyclár : en fi
  • FR793691A - Improvements to scales : en fr
  • GB441977A - Improvements in and relating to electric resistances : en
  • ES139724A1 - Improvements in ship construction. : en es
  • US2029235A - Mop : en
  • AU2099035A - Improvements in and relating tothe manufacture of sulphuric acid : en
  • CA355644A - Printer's blanket : en fr
  • SU45614A1 - The method of bypassing compressed gases into a gas receiver from cylinders with damaged valves : en ru
  • PL22589B1 - Pack of ammunition. : en pl
  • DK51203C - Ball game. : da en
  • ES3670Y - A device to achieve the isolation of the joint that is exposed from the metal cap of the electric lamps, once mounted in its respective lamp holder : en es
  • ES3359Y - Glass tube made up of several particular elements that can be directly coupled to each other, capable of adopting different shapes and positions : en es
  • FR793693A - Improvements to scales : en fr
  • DE624738C - Device for imitating flames with preferably colored lighting : de en
  • DE624928C - Laundry rammer with electric drive and a piston working in a washing bell : de en
  • SU45848A1 - Logging Tool : en ru
  • GB441934A - Improvements in trouser guards for bicycles and the like : en
  • GB442062A - Improvements in or relating to brake mechanism for vehicles : en
  • US2028743A - Typographical machine : en
  • DE624789C - Peeling machine for fruits as well as root and tuber-like vegetables u. like : de en
  • DE624871C - Tobacco feed device for stick cigarette machines : de en
  • ES3830Y - A folding tent bed : en es
  • ES4412U - Test tube for all chemical products. (Machine-translation by Google Translate, not legally binding) : en es
  • GB442066A - Improvements in and relating to laminated materials and articles : en
  • GB442208A - Improvements in or relating to lockable free wheel transmission mechanism : en
  • DE624847C - Sheet depositing device for printing machines, in particular for holding cylinder high-speed presses : de en
  • SU45722A1 - Method of casting molds with lightweight materials or their alloys : en ru
  • US2028787A - Cigarette dispensing machine : en
  • CH182186A - Gas pressure switch. : de en
  • DE624705C - Device for receiving modulated high-frequency oscillations : de en
  • GB441802A - Improved method of and prepared means for filling tobacco pipe bowls : en
  • DK51193C - Pressure element for use in printing machines with rotating plate cylinder. : da en
  • ES3007Y - Keg stopper. : en es
  • GB455370A - Plug for obturating the lateral holes of wind instruments : en
  • DE624882C - Stick fastener : de en
  • DE624921C - Device for grinding moist substances, such as marl, clay, or the like. : de en
  • FR793582A - Automatically variable pitch aerial propeller : en fr
  • CH182095A - Method for covering ski poles made of bamboo cane or the like with fabric. : de en
  • CH182209A - Oxygen breathing apparatus. : de en
  • US2029095A - Attachment for stoves : en
  • DK51202C - Driver brake valve for Compressed air brakes. : da en
  • ES4405U - A shower device for dual use (Machine-translation by Google Translate, not legally binding) : en es
  • CH182141A - Method of manufacturing a wooden panel decorated in relief. : en fr
  • FI16895A - Room humidifier : en fi
  • FR793703A - Improvements in the manufacture of impregnated fibrous materials, in particular of paper and similar products : en fr
  • DE624752C - Chain star for conveyor or the like with replaceable bandages : de en
  • DE624916C - Arrangement for the elimination or reduction of load peaks or for the prevention of exceeding set maximum limits of the drawn electrical energy : de en
  • FR793690A - Obtaining an irregular mouliné yarn by means of coils of paper of different colors and twisted together in one operation : en fr
  • GB442036A - Improvements in or relating to coal washers : en
  • FR793757A - Transport device by skips on rails, by water or on roads : en fr
  • ES3544Y - A luminous device for wardrobes, with movement effects : en es
  • FI16890A - Planrost : en fi
  • SU45709A1 - Apparatus for carrying out endothermic reactions : en ru
  • FR793763A - Triangular protractor : en fr
  • GB442012A - Improvements in and relating to methods of producing cellulose masses : en
  • GB442061A - Process for the preparation of vanillin : en
  • US2029149A - Ground connecter : en
  • DE624756C - Device for hardening sewing needles : de en
  • ES3760Y - A car registration box : en es
  • FR793647A - Improvements in the construction of electrical equipment : en fr
  • US2029117A - Drying machine : en
  • GB442049A - Improvements in or relating to rolling sheet-metal discs : en
  • CA355647A - Parachute apparatus : en fr
  • FR793578A - Device for filing or displaying books and other flat objects : en fr
  • FR793579A - Advanced panel : en fr
  • FR793797A - Device for developing photocopies : en fr
  • GB441993A - An improved method of and means for producing semi-manufactured products for cookingvessels : en
  • ES139494A1 - A new negatoscope device. : en es
  • FR793589A - Method and apparatus for making combs of horn or other plastics : en fr
  • DE624857C - Method and device for balancing rotating bodies above the critical speed : de en
  • ES139005A3 - Improvements in the procedures for manufacturing blasting cartridges. : en es
  • FR793847A - Reinforced cement foundation plinth with or without plinth : en fr
  • GB441886A - Improvements in the manufacture and production of nitrodibenzanthrones : en
  • FR793523A - Process for the manufacture of electrical conductors wrapped in rayon : en fr
  • DE624878C - Process for the production of alkali photocells with an oxide-backed photoelectric layer arranged on a free-standing carrier plate inside the cell : de en
  • FR793745A - Board game : en fr
  • FR793759A - Pipe cooling device : en fr
  • ES140102A1 - New small plane for elementary school piloting. : en es
  • GB442055A - Improvements in or relating to cocks and taps : en
  • FR793816A - Magnifier with adapter and light fixture : en fr
  • GB441911A - Improvements in fuel injection devices for internal combustion engines : en
  • DK51178C - Procedure for Bending Wood. : da en
  • US2028989A - Apparatus for and process of operating internal combustion engines on fuel of low volatility : en
  • CH182097A - Billiard couch. : de en
  • US2029035A - Multirange superheterodyne receiver : en
  • US2028778A - Can opener : en
  • US2029059A - Toy target : en
  • AU2183035A - Improvement in radio tuning control : en
  • DE580987C - Device for the recovery of waste steam : de en
  • DE624850C - Limit switch with snap switch device : de en
  • FR793533A - Absorption device for gas masks : en fr
  • GB442136A - Improvements in and relating to conversion products of rubber : en
  • GB442220A - Improvements in hair curlers : en
  • US2028825A - Service container : en
  • CH182265A - Process for the preparation of a monoazo dye. : de en
  • CH182176A - Direct current generator with sloping characteristics, especially for arc welding. : de en
  • SU45774A1 - Air engine mode : en ru
  • US2028835A - Start-stop telegraph repeater : en
  • US2029173A - Sealing ring : en
  • US2028877A - Roof structure : en
  • US2028881A - Expansion device : en
  • BE412825A - : en fr
  • CH182190A - Field regulator control for separately excited direct current generators, in particular for electric traction vehicles. : de en
  • US2028908A - Polyhydric alcohol-polybasic acidmonobasic aliphatic acid anhydride condensation product and process of making the same : en
  • US2029041A - Loaded transmission line : en
  • US2028836A - Tape carrier : en
  • CA355619A - Food product : en fr
  • CH182158A - Aviation piston internal combustion engine with at least one pair of pistons coupled to one another. : de en
  • SU45792A1 - Dewar vessel for liquid oxygen : en ru
  • US2028837A - Straight bar knitting machine : en
  • US2029058A - Hot top and lining therefor : en
  • US2029203A - Temperature regulator : en
  • DE624747C - Frame holder : de en
  • DE624981C - Device for preventing the fogging and freezing of windows, in particular windshields for motor vehicles : de en
  • FI16875A - Anordning vid benkläder och andra livplagg : en fi
  • CA355651A - Journal box dust guard : en fr
  • SU45609A1 - Endowment Printing Machine : en ru
  • SU45640A1 - Cordless telephone transmitter : en ru
  • US2028855A - Mechanical pencil : en
  • DE624727C - Air-compressing two-stroke internal combustion engine : de en
  • FR793658A - Progressive self-tightening process, applicable in particular to contact parts of switches and electrical outlets : en fr
  • GB441955A - Cleaning and polishing mops : en
  • AU2574835A - Improvements in combined brake housing and wheel : en
  • CH182139A - Installation for drying goods, in particular food, with drying chambers. : de en
  • AU26436A - Television reproducing method : en
  • US2029039A - Process and apparatus for wire drawing : en
  • US2029252A - Globe mounting : en
  • CA355689A - Sheet material manufacturing apparatus : en fr
  • SU45812A1 - A way to calm the sea waves : en ru
  • CA355546A - Cobalt nitroso compound : en fr
  • CA355576A - Well drilling bit : en fr
  • CA355646A - Building material : en fr
  • PL22544B1 - Process for the preparation of nitrogen-containing condensation products of primary aromatic amines with formaldehyde. : en pl
  • US2029107A - Game : en
  • CH181991A - Electric cooking device with heat storage. : de en
  • CH182151A - Pliers head for hay lifts. : de en
  • US2028773A - Universal folder for sewing machines : en
  • CH181989A - Process for the manufacture of panes of glass preventing tarnishing due to water vapor condensation. : de en
  • PL22580B1 - Crane hoist with fine adjustment and worm gear. : en pl
  • US2028866A - Ultra short wave communication system : en
  • US2028899A - Oil burner : en
  • US2028997A - Building block : en
  • US2028749A - Spark plug : en
  • SU45732A1 - Method of making glued closed rubber hollow cylindrical articles with fabric gaskets : en ru
  • US2029176A - Drawing furnace : en
  • CA355631A - Gas producing apparatus : en fr
  • CH182165A - Glow wire plug for heavy oil engines. : de en
  • CH182247A - Bicycle support. : de en
  • DE624678C - Resilient contact bracket made of individual pieces of carbon in a row : de en
  • GB442664A - Improvements in or relating to preparations for agricultural or horticultural pest control and the manufacture thereof : en
  • PL22581B1 - Device for obtaining dry substance from solutions, emu and slurries. : en pl
  • ES3623Y - Joining device for boxes, houses, sheds and other removable constructions : en es
  • FR793642A - Waterproofing and protection process for canvases exposed to bad weather : en fr
  • FR793674A - Rice husking machine : en fr
  • GB441967A - Improvements in and relating to the production of hosiery : en
  • DE624549C - Arrangement to keep the exchange rate almost constant between two networks or power plants : de en
  • GB441801A - Improvements in filing cabinets : en
  • CA355555A - Internal combustion engine : en fr
  • US2028894A - Conductor clamp : en
  • US2029019A - Electric outlet molding : en
  • US2029115A - Treatment of hydrocarbon oils : en
  • CH182178A - Double parallel winding, especially for rotor-fed shunt commutator motors. : de en
  • DE624721C - Device for regulating the heat output in rotary tube furnaces : de en
  • BE412703A - : en
  • CH182068A - Classifier for fiber-containing goods, in particular for paper making materials. : de en
  • CH182271A - Process for the preparation of an azo dye. : de en
  • US2029100A - Treatment of hydrocarbon oils : en
  • SU45668A1 - Transformer differential protection device : en ru
  • US2028789A - Ironing board : en
  • US2028826A - Engine accessory : en
  • DE624993C - Paper matrix for rubber printing forms made of semi-vulcanized rubber : de en
  • AU2097835A - Improvements in gates : en
  • ES140519A1 - A procedure for obtaining sodium perborate. : en es
  • SU45716A1 - The way to fix defective sheepskins : en ru
  • AU2098235A - Electrical musical instrument : en
  • USD98367S - Design for a dresser ob similar : en
  • SU45729A1 - Method for disassembling brick walls : en ru
  • ES3773Y - A watertight segment : en es
  • GB442023A - Improvements in or relating to hydrocarbon hydrogenation methods : en
  • SU45663A1 - Automatic control device : en ru
  • US2028852A - Door locking means : en
  • US2028923A - All metal springless automatic faucet and valve : en
  • CH181974A - Device to protect roof battens against rot. : de en
  • DE624853C - Device for attaching sheets of sandpaper or similar coverings to the front of the working disks of floor processing machines : de en
  • ES140478A3 - Automatic tensioner for machine belts with individual control. : en es
  • GB441987A - Improvements in and relating to protective devices for electric circuits : en
  • PL22591B1 - An electric bulb with a handle attached to the neck of banks. : en pl
  • US2029021A - Cream cooler : en
  • SU45813A1 - Portable device for grinding parallel scissors knives : en ru
  • US2028888A - Apparatus for measuring temperatures : en
  • ES140082A1 - Manufacturing process of all kinds of sandals. : en es
  • ES140521A1 - A method, with the corresponding apparatus, for the insertion of transverse wires in machines intended to manufacture metal fabrics with longitudinal and transverse wires electrically welded at their crossing points. : en es
  • FR793509A - Improvements to rubber products and their manufacturing processes : en fr
  • US2028772A - Cryptographic system : en
  • US2028812A - smith : en
  • BE412752A - PROCESS FOR TANNING WITH CHROME : en fr
  • US2028976A - Wheeled vehicle : en
  • US2029060A - Vulcanizing press for pneumatic tires, inner tubes, and similar articles : en
  • US2028916A - Apparatus for laminating glass : en
  • US2029170A - Photometer : en
  • CA355562A - Deflector and ventilator : en fr
  • CH182283A - Process for the preparation of a bluish red monoazo dye. : de en
  • US2029145A - Motor : en
  • CA355560A - Siphon bottle : en fr
  • PL22522B1 - A method of driving low-pressure internal combustion engines with a liquid fuel stream. : en pl
  • US2028937A - Gas mixer : en
  • US2028807A - Oil burner : en
  • US2029198A - Lubricant metering device : en
  • FR793613A - Self-closing shutter device for filling containers such as barrels, bottles or others : en fr
  • GB441893A - Improvements in and relating to burners for oil and other fuel : en
  • SU45600A1 - The method of obtaining beryllium oxide from beryllium ore with simultaneous production of fluorine alumina and fluoride sodium : en ru
  • ES3739Y - Protection sheet and line indicator : en es
  • SU45840A1 - The method of drying raw clay products : en ru
  • US2028797A - Suspension rubber toy : en
  • US2029155A - Implement for removing weeds and the like : en
  • GB442027A - Improvements in servo-motors for use on vehicles : en
  • FR793622A - Electric motor braking system : en fr
  • FR793624A - Process for refining impure lead : en fr
  • SU45725A1 - Glass Forming Press : en ru
  • PL22505B1 - Wooden case. : en pl
  • US2028915A - Vegetable peeler and slicer : en
  • US2029246A - Plant shelf for window mountings : en
  • ES140496A3 - Speed reducer applicable to marine type reversible gear changes and others. : en es
  • FR793820A - Improvements in the manufacture of anhydrous sodium carbonate : en fr
  • FI16880A - Anordning vid förvärmare eller matarvattenupphettare och liknande apparater för värmeöverföring : en fi
  • FR793571A - Eye protection device : en fr
  • FR793823A - Turbo-compressor : en fr
  • GB441964A - Improvements in or relating to radio direction finding systems : en
  • FR793633A - Amide preparation process : en fr
  • US2029050A - Convertible sedan and phaeton : en
  • USD98374S - Design for a bracelet or similar : en
  • DE624498C - Sewing machine for sewing elastic bands in or on : de en
  • ES139262A1 - A method of manufacturing insulating material. : en es
  • US2028786A - Gearing for rotary printing machine folders : en
  • US2029052A - Furnace : en
  • US2028972A - Conduit cleaning apparatus : en
  • US2028874A - Sanding device : en
  • US2029002A - Keyhole illuminating means for doors : en
  • US2029152A - Ink eradicating device : en
  • FR793695A - Improvements to meters for liquids, or similar meters : en fr
  • FR793697A - Improvements to low voltage circuit breakers with high breaking capacity : en fr
  • GB441815A - Improvements in apparatus for mixing liquids : en
  • SU45586A1 - Pipe Cutting Tools : en ru
  • SU45769A1 - Two-stroke carburetor internal combustion engine with a piston, the head of which has a glass-like shape : en ru
  • US2028902A - Demountable body : en
  • US2028986A - Tire spreading implement : en
  • USD98395S - Design fob a milling machine : en
  • US2029268A - Liquid distributor : en
  • US2028847A - Dust removing device : en
  • US2028959A - Manufacture of azo colors : en
  • GB441789A - Improvements relating to tubular heat-exchangers such as motor-car radiators : en
  • GB441929A - Improvements in mutes for violins and violas : en
  • FR793643A - Process for the manufacture of reels for photographic films and products obtained : en fr
  • GB441875A - Improvements in ladies corselettes and like underwear : en
  • GB442437A - Improvements in manufacture of sulphur dioxide : en
  • SU45576A1 - The method of reducing the hardness of rocks : en ru
  • GB442009A - Improvements in or relating to propeller wheels : en
  • US2029164A - Rolling mill drive : en
  • DK51192C - For Use in Hair Treatment Intended Ear Protector. : da en
  • PL22546B1 - Device for cooling conical friction clutches in machine tools. : en pl
  • USD98363S - Design for a plug valve body : en
  • CH182277A - Process for the preparation of an azo dye. : de en
  • US2029146A - Water cooling system for internal combustion engines : en
  • US2029267A - Electromagnetic device : en
  • CA355659A - Speed reducing mechanism : en fr
  • US2029236A - Combination pen and calendar : en
  • US2028845A - Relay motor : en
  • GB441868A - Improvements in the treatment of artificial silk : en
  • PL22508B1 - A method of purifying naphthalene used in the production of hydronaphthalenes. : en pl
  • US2029103A - Photo-electric intaglio and relief engraving system : en
  • SU45604A1 - Steam piston steam engine : en ru
  • USD98320S - Design for a tray : en
  • FR793762A - Weaving mechanics for guipure loom known as bobinot loom : en fr
  • ES3611Y - Sanitary appliance : en es
  • USD98400S - Design fob a dress : en
  • CH181984A - System for electrical room heating through thermal radiation. : de en
  • US2028875A - Doubling spindle : en
  • CH182045A - Process for the production of a condensation product. : de en
  • DE624968C - Process for the manufacture of telephone cables with air space cores : de en
  • FR793591A - New explosive mixtures containing pentaerythritis tetraacetate : en fr
  • US2028953A - Safety steering rod : en
  • PL22555B1 - Electric typewriter with a type cylinder. : en pl
  • US2028974A - Bag structure : en
  • SU45612A1 - Ice cream maker : en ru
  • FR793551A - Switching clock for refrigerating appliances of the periodic absorption type : en fr
  • FR793724A - Foot for tables, pedestal tables and other furniture, and furniture fitted with said foot : en fr
  • US2029241A - Feeding mechanism for sewing machines : en
  • FI16912A - Regulation of relative fiber content (equivalent to) by weight of paperboard paper : en fi
  • DE624990C - Method for determining the yeast strength of yeast, especially in bread dough : de en
  • FR793766A - Improvements to television systems : en fr
  • FR793774A - Control device for electric traction switches : en fr
  • CH182114A - Guide for push bars. : de en
  • CH182240A - Device for preventing motor vehicles from skidding. : de en
  • US2029048A - Tubular structural unit and method of making the same : en
  • US2029165A - Vehicle control : en
  • US2029279A - Refrigerating apparatus : en
  • US2029151A - Goggle valve : en
  • US2029174A - Change gear mechanism : en
  • US2029188A - Reel base-plate fishing-rod attaching means : en
  • CH182086A - Photoelectric light meter. : de en
  • DE625016C - Device for producing strips or hollow bodies from rubber or the like, as well as rubberized fabrics : de en
  • SU45734A1 - Method for making artificial latex from butadiene rubber : en ru
  • CH182293A - Process for the production of a vat dye. : de en
  • ES140487A1 - DEVICE FOR MIXING FLUIDS OF WHICH ONE IS UNDER PRESSURE : en es
  • FR793516A - Carbon dioxide foam generator fire extinguisher : en fr
  • FR793715A - Improvements to automatic shuttle changing movements in looms : en fr
  • CH182269A - Process for the preparation of an azo dye. : de en
  • GB442137A - Improvements relating to aircraft : en
  • BE412223A - : en fr
  • PL22598B1 - Unloaded steam inlet valve. : en pl
  • DE624829C - Cable drive for cable cars with three pulleys driven next to each other via differential gears : de en
  • DE625027C - Self-closing flush valve with counter pressure chamber and auxiliary valve : de en
  • ES140359A3 - Continuous cam distribution control device for steam engines and other applications. : en es
  • FR793515A - Improvement of cell frets for ball presses : en fr
  • FR793676A - Improvements to telephone relays : en fr
  • FR793730A - Improvements to Neon Ads : en fr
  • CH182150A - Change gear. : de en
  • CH182027A - Concealed zip. : de en
  • US2028948A - Decorative paper and method of making the same : en
  • PL22523B1 - Gas mask. : en pl
  • PL22583B1 - A method of separating water-soluble amino acids from ammonium sulfate. : en pl
  • SU45611A1 - Device for removing ice from channels cut in an ice field : en ru
  • CH182127A - Chronograph. : en fr
  • PL22516B1 - A device for utilizing flowing water to obtain mechanical energy. : en pl
  • SU45855A1 - Device for progressively turning the feed of the workpiece forward in pipe rolling machines with swiveling crimp sectors : en ru
  • US2029282A - Magnetic circuit and construction thereof : en
  • USD98379S - Design for a lace : en
  • DE624801C - Tensioning method for screw bolts subject to tension : de en
  • DE624905C - Sales pack for roll films : de en
  • DE624955C - Anti-vibration protection for buildings : de en
  • CH181973A - Component and method of manufacturing the same. : de en
  • DE624703C - Electrodynamic loudspeaker with permanent M-shaped magnet system : de en
  • ES3723Y - A new reel or spool system for twisting and spinning machines for hemp or any other textile fiber : en es
  • ES4419U - A celluloid bomb or similar product to inflate tires for bicycles, motorcycles and tires in general (Machine-translation by Google Translate, not legally binding) : en es
  • GB441778A - Improved means for balancing window sashes by means of springs : en
  • PL22500B3 - A method for purifying Zinc and an apparatus for carrying out the method. : en pl
  • DE624935C - Support isolator with fittings attached without putty : de en
  • DE619365C - Device for measuring the sugar content of liquids : de en
  • CH182056A - Lubricant. : de en
  • SU45617A1 - Device for mechanical quantization of ingots in heating furnaces : en ru
  • DE625567C - Cleaning asbestos : de en
  • GB441866A - Improvements in and connected with the control of the flight of projectiles : en
  • DE624983C - Bicycle with an out-of-round crank wheel : de en
  • CH182207A - Heating means for permanent wave apparatus. : de en
  • ES3330Y - New card holder. : en es
  • FR793505A - Process for the preparation of pregnanolones and unsaturated pregnandiones : en fr
  • FR793536A - Folding and transformable chair to serve different uses : en fr
  • FR793631A - Underground shelter : en fr
  • FR793684A - Wall penetrations for pipes, in which the pipe is kept centered in the passage by means of balls : en fr
  • US2029262A - Removal of hydrogen sulphide and ammonia from gases : en
  • USD98408S - Design fob a radiator or similar : en
  • CH182091A - Stand, as it is used in pairs for tensioning the rope of handball and fistball playgrounds. : de en
  • BE412904A - : en fr
  • CA355674A - Upholstery covering structure : en fr
  • CA355694A - Price computing scale : en fr
  • DE625012C - Ignition device for oil burner : de en
  • ES140075A1 - An electrical bypass procedure with double protection prevents fraud with its corresponding device. : en es
  • US2028946A - Gas generator : en
  • US2028738A - Window cleaning device : en
  • US2028747A - Electrically operated paper carriage : en
  • US2028814A - Air conditioner : en
  • US2028871A - Measuring device : en
  • SU45831A1 - Apparatus for processing semolina dust : en ru
  • US2028967A - Lining for vessels : en
  • BE412889A - Improvements to rackets or beaters for tennis and similar games : en fr
  • CA355690A - Textile material manufacture : en fr
  • CH182181A - Mast base. : de en
  • CH182246A - Bicycle lock. : de en
  • FR793623A - Process for the removal of certain impurities from lead : en fr
  • FR793844A - Folding lounge chair : en fr
  • CH181977A - Elevator stairs. : de en
  • DE625019C - Process for applying self-gumming to objects of any kind : de en
  • CA355594A - Stearic acid resin : en fr
  • CH182198A - Method and device for igniting liquid and gaseous fuels. : de en
  • DE624895C - Forming device for glass pebbles : de en
  • SU45865A1 - Spatial Direction Finder : en ru
  • US2028992A - Securing trim panels : en
  • USD98344S - Design fob a shoe : en
  • CH182123A - Winding stem. : en fr
  • DK51205C - Procedure of Apparatus for heating, cooling, kneading and grinding and emulsifying liquid or partially solid substances. : da en
  • DE624704C - Hybrid connection with compensating beams : de en
  • US2028940A - Ore extraction : en
  • US2028951A - Clutch plate : en
  • US2029068A - Window tightener : en
  • DE624938C - Electric quick switch for right and left rotation : de en
  • ES3812Y - Shirt or t-shirt perfected for men or boys : en es
  • FR793518A - Sheath for control discs or drums and cable drums : en fr
  • CA355686A - Electro-magnetic band brake or clutch : en fr
  • CH182170A - Device on piston compressors for cooling media to separate the oil in order to increase the efficiency and reduce the noise caused by oil hammer. : de en
  • DE624840C - Process to achieve an even, continuous stripe on the armpits of jackets and other striped items of clothing : de en
  • ES140073A1 - A procedure of automatic articulation of balancing, according to the profile of each blade of the rotors of the helicopters or autogyros. : en es
  • GB441907A - Colour cinematography : en
  • AU1976134A - Cathode ray tube : en
  • GB441836A - Wheel construction : en
  • FR793815A - Odometer printer : en fr
  • ES140466A1 - Machine designed to cover glazed terracotta tiles with enamel paste to vitrify its front face. : en es
  • FR793729A - Improvements relating to a protective treatment for metals and alloys : en fr
  • GB441952A - Improvements in and relating to closures for bottles, jars and like containers : en
  • GB442060A - Optical magnifying device : en
  • ES139812A3 - Manufacturing process for tire beads with one or more cores. : en es
  • FR793680A - Automatic safety coupling, particularly suitable for transport wagons : en fr
  • GB441931A - Improvements in and relating to contacts for electric switches and the like : en
  • US2028933A - Time controlled mechanism for valves or the like : en
  • DK51187C - Hose sealant. : da en
  • GB441945A - Mouth-pieces for tobacco pipes and such like : en
  • SU45638A1 - Quartz oscillator : en ru
  • USD98308S - Design fob a dome light : en
  • PL22513B1 - A method of self-starting and self-regulating high voltage current in gas purifying apparatus, and an apparatus for using the method. : en pl
  • DE624720C - Rotary kiln for carrying out exothermic reactions : de en
  • FR793803A - Method of protection of metal vapor lamps against attack by alkali metals : en fr
  • GB441919A - Improvements in the manufacture and production of nitrodibenzanthrones : en
  • SU45728A1 - The method of preparation of the concrete surface under the plaster : en ru
  • US2028876A - Clutch mechanism : en
  • US2028932A - Stabilizing sheet vulcanized fiber : en
  • FR793705A - Dishwasher : en fr
  • FR793786A - Hydraulic testing machine : en fr
  • DE624898C - Device for roasting potatoes : de en
  • DE624776C - Test terminal for auxiliary lines in electrical switchgear : de en
  • FR793635A - folding bottle rack : en fr
  • ES3627Y - Auxiliary tool in obtaining photographic enlargements : en es
  • GB442014A - Improvements relating to aircraft : en
  • SU45711A1 - Centrifugal air heater : en ru
  • USD98372S - Design for a restaurant booth : en
  • FR793747A - Production of anthraquinone series carbazols : en fr
  • FR793655A - Hydraulic centrifugal clutch device : en fr
  • DE624966C - Process for reducing the condensation pressure during the decomposition of air by liquefaction and rectification : de en
  • US2029229A - Grain door and associated mechanism : en
  • DE624706C - Arrangement for compensation of the horizontal component in loop antennas : de en
  • ES4417U - Colander or sleeve with stock or replacement base colante (Machine-translation by Google Translate, not legally binding) : en es
  • CH181988A - Melting furnace for glass. : en fr
  • DK51184C - Barrier means for preventing more cargo spaces, e.g. in a vending machine, can be open at the same time. : da en
  • FR793839A - Mounting device for limiting the making current in incandescent lamp circuits and the like : en fr
  • FR793845A - Apparatus for squeezing fruits and in particular grapes : en fr
  • ES2927Y - Articulated headliner. : en es
  • SU45594A1 - The method of preparation of the frame for porous metal filters : en ru
  • FI16910A - The way to make butter and margarine : en fi
  • PL22521B1 - Welded diesel engine hull stand. : en pl
  • US2028742A - Coal flotation process : en
  • FR793612A - Anti-interference radio reception method : en fr
  • GB442288A - Improvements in or relating to the manufacture of pipe bends, elbows, tees and crosses, and like junction pieces : en
  • DE624730C - Adjustable guide for pull and push cables in curvatures : de en
  • ES3645Y - An improved system device for the assembly of railway stock axles : en es
  • ES139441A3 - An apparatus for the sterilization of all kinds of preserves and edibles. : en es
  • FR793821A - Device for fixing a cover on automobile radiators and claw usable for this purpose : en fr
  • GB441995A - Improvements in magnifying glasses : en
  • FR793822A - Wooden support frame for floors : en fr
  • DE624841C - Collapsible ironing board with hinged three-legged, collapsible trestle : de en
  • GB442139A - Metallic flexible tubing and the manufacture thereof : en
  • FR793754A - Manufacture of highly concentrated nitric acid from dilute nitric acid : en fr
  • DE624869C - Cutting or grinding wheel attachment : de en
  • PL22531B1 - A method of making artificial sponges in the form of sheets. : en pl
  • CH182221A - Band filter consisting of coupled circles. : de en
  • SU45575A1 - Device for automatic control of the feed rate of the drilling tool depending on the load of the drilling motor : en ru
  • SU45689A1 - Method of separating an electrovacuum device from a pumping system : en ru
  • US2029179A - Vehicle jack : en
  • SU45798A1 - Apparatus for messages of the ski register part of the porting, sorting and the like : en ru
  • SU45806A1 - A method of making a screen for a day movie : en ru
  • FR793531A - Improvements to refrigeration devices : en fr
  • GB441968A - Apparatus for measuring magnetic properties : en
  • DE624758C - Electric tube with a filling of noble gases and mercury and a layer of luminescent materials covering the inner wall : de en
  • FR793840A - Protective device for books offered for sale : en fr
  • ES140497A2 - AN EXPLOSIVE GRENADE ORGANIZED AND READY TO BE LAUNCHED BY A LAUNCHING NOZZLE, ADAPTABLE TO ANY MODEL OF SPEARGUN, OR WITH ANY OF THE TRENCH MORTARS IN USE TODAY : en es
  • GB442057A - Improvements in the manufacture of vinyl resins : en
  • GB441946A - Aircraft controls : en
  • ES3736Y - Rubber sole for footwear : en es
  • US2029082A - Wall construction : en
  • PL22593B1 - Multiple cathode ray tube. : en pl
  • US2028759A - Treatment with solvents : en
  • USD98413S - Design for a dress : en
  • DE624910C - Print frame for hand printing with templates : de en
  • USD98370S - Design for a musical instrument : en
  • PL22524B1 - Device for feeding paper and tracing paper in typewriters. : en pl
  • US2028909A - Apparatus for the control of railway car retarders : en
  • SU45631A1 - Image decomposition device : en ru
  • US2028764A - Synthesis of formic acid : en
  • FR793567A - Internal combustion engine : en fr
  • FR793544A - Advanced method for the purification of zircon : en fr
  • FR793773A - Ski carrier mounted on the spare wheel of motor vehicles : en fr
  • GB441948A - Improvements relating to adjustable windows : en
  • GB442281A - Improved method of, and means for, attaching paste to the plates of electric batteries : en
  • DE624852C - Housing for single-phase capacitors : de en
  • US2028990A - Process of making propellent powder : en
  • AU2186235A - Improvements relating to continuous feed cinematograph apparatus : en
  • US2028883A - Mop : en
  • DE624835C - Locking device for axially displaceable, rotating shifting parts in gearboxes, especially motor vehicle transmissions : de en
  • DE624979C - Process for the production of electrolytes : de en
  • GB441938A - Improvements in tuft yarn grippers for pile fabric looms : en
  • CH181982A - Air humidifier. : de en
  • DE615409C - Automatic gas tap closing device with gas tap that can be regulated independently of the closing device : de en
  • DE624856C - Process for removing aluminum and iron from copper alloys : de en
  • ES4418U - A stove-cooker with a coal feeder tank on the burner device (Machine-translation by Google Translate, not legally binding) : en es
  • US2029205A - Coin-freed delivery machine : en
  • SU45657A1 - Knife for cleaning the ends of insulated wires : en ru
  • SU45772A1 - Fuel pump for non-compressor internal combustion engines : en ru
  • SU45829A1 - Tool for ejecting packs in printed machines : en ru
  • USD98406S - Design fob a container for flowers : en
  • CH181983A - Appliance intended to be placed at the end of a chimney, for the draft and aeration thereof. : en fr
  • US2028872A - Pile fabric : en
  • USD98347S - Design fob a shoe : en
  • US2028824A - Compressor for refrigerating systems : en
  • US2028943A - Method of forming refrigerator linings : en
  • US2029154A - Process of making cutting blowpipe tips : en
  • CA355549A - Valve : en fr
  • USD98391S - Design for a glove : en
  • CH182304A - Circuit arrangement for telegraph systems with voter operation. : de en
  • CH182172A - Suitcase for transporting food to be kept cool. : de en
  • SU45870A1 - Hydrocarbon cracking apparatus : en ru
  • CH182208A - Gas mask window. : de en
  • FR793661A - Metal mold for obtaining cellular concrete parts cooked in an autoclave : en fr
  • SU45687A1 - Relay : en ru
  • ES139411A1 - An improved method of building a connection between reciprocally rotating concentric bodies. : en es
  • SU45802A1 - Water and greaseproof paper : en ru
  • BE413053A - Method for producing multicolored photographic images : en fr
  • CA355634A - Phosphoric acid : en fr
  • DE624925C - Procedure for regulating the fabric support surface for panel saws : de en
  • PL22594B1 - Cap and socket for cathode ray tubes. : en pl
  • CA355622A - Valve stem : en fr
  • FR793525A - Cam block for knitting machines : en fr
  • GB442211A - Improvements in and relating to manufacture of sheets of iron-silicon alloys : en
  • DE624711C - Device for high frequency healing apparatus with a treatment electrode for the elimination of radio interference : de en
  • DE624818C - Porous stone for moistening stamps or the like. : de en
  • US2029159A - Typewriter : en
  • USD98333S - Design for a shoe : en
  • DE625008C - Cutting table arrangement with mutually perpendicular feed tracks : de en
  • FR793666A - Device for the slow and continuous distribution of liquids of all kinds : en fr
  • GB441996A - Improvements relating to speed indicators for cinematograph machines : en
  • DE624790C - Device to hold the footwear when cleaning and grooming : de en
  • ES2897Y - Metal cap to cover all kinds of containers. : en es
  • CH182125A - Bearings for the balance shaft of timepieces. : de en
  • DE624825C - Shipping box in which the lid is attached without nailing and without a lock : de en
  • CH182234A - Stroller. : de en
  • US2029133A - Drive mechanism for shaker conveyers : en
  • SU45867A1 - Method of eliminating the "night error" during direction finding : en ru
  • ES3152Y - Hook for wooden roller shutters with movable slats. : en es
  • PL22540B1 - Dentifrice. : en pl
  • CA355561A - Tobacco pipe : en fr
  • CH182022A - Clothes horse. : de en
  • PL22527B1 - A method of producing a visible protective coating on a metal containing zinc or cadmium. : en pl
  • US2028758A - Varnish composition : en
  • CA355572A - Alloy improving method : en fr
  • SE85374C1 - : en
  • US2029097A - Electric fire alarm : en
  • SU45608A1 - Valve reversing steam distribution mechanism : en ru
  • SU45778A1 - Automatically operated valve device for water tanks : en ru
  • SU45784A1 - Movable anode for electrolytic coating of metals through electrolyte-absorbing material : en ru
  • US2029043A - Flower support : en
  • CA355611A - Gaseous electric discharge device : en fr
  • SU45873A1 - Washer to prevent self-loosening of nuts : en ru
  • USD98330S - Design for a textile fabric : en
  • CH182270A - Process for the preparation of an azo dye. : de en
  • CA355614A - Material drying process and apparatus : en fr
  • US2028782A - Decorative sheet material and process of manufacturing the same : en
  • USD98293S - Design fob a glass : en
  • CH181990A - Process for incineration and combustion plant for carrying out the process. : de en
  • CH182180A - Device to avoid round fire in DC commutator machines with higher voltages. : de en
  • DE624726C - Multi-counting calculating and recording machine : de en
  • GB441979A - A machine for stripping fibrous plant parts : en
  • US2029280A - Extension table : en
  • CA355652A - Distillation and condensation apparatus : en fr
  • CH182254A - Suspension and locking device for electromagnetic brake shoe. : en fr
  • ES140120A1 - A device for the realization of corrugated sheets in cardboard and cellulose pulp : en es
  • FR793520A - Apparatus for lapping valves : en fr
  • SU45706A1 - Device for separating water from petroleum products : en ru
  • FR793546A - Process for manufacturing pigments based on titanium dioxide : en fr
  • CH182019A - Machine for lengthwise shrinking of a fabric. : en fr
  • SU45878A1 - The method of obtaining color photographic or cinematic images : en ru
  • SU45618A1 - Mechanical ejector pusher in heating furnaces : en ru
  • SU45626A1 - Railway hydraulic column : en ru
  • SU45765A1 - The method of amplification of electronic currents : en ru
  • US2029102A - Gramophone record and process for manufacture thereof : en
  • CH181985A - Process for the production of electric heating elements. : de en
  • CH182060A - Product containing cellulose esters and process for its manufacture. : de en
  • CH182061A - Process for treating structures made of regenerated cellulose such as films, foils, etc. : de en
  • US2028803A - Balanced sink structure : en
  • US2029013A - Cathode for discharge devices : en
  • US2028762A - Method of reducing the viscosity of cellulose esters of organic acids : en
  • SU45801A1 - Dryer part of paper machine : en ru
  • US2028870A - Salt shaker or the like : en
  • SU45817A1 - Backing device : en ru
  • SU45857A1 - Automatic distress alert radio transmitter : en ru
  • CH182057A - Process for the production of detergents containing soap. : de en
  • FR793572A - Improvements to electrodynamic loudspeakers : en fr
  • GB441793A - Improvements in or relating to electrical oscillation generators and control apparatus therefor : en
  • PL22530B1 - Method of gas desulphurization. : en pl
  • SU45849A1 - Solar conic dryer for fruits, vegetables, etc. : en ru
  • USD98389S - Design fob a cycle saddle seat : en
  • AU2099735A - Improvements inthe manufacture of balls for football and like games : en
  • CH182038A - Method and device for the mechanical processing of thixotropic masses. : de en
  • FR793595A - Improvements in invisible hinges for automotive doors : en fr
  • CA355650A - Separable fastener : en fr
  • CH182015A - Process and device for producing a new type of pattern on interlock circular knitting machines. : de en
  • CH182166A - Flywheel starter for internal combustion engines. : de en
  • CH182206A - Removable adjustment device for injection syringes. : en fr
  • DE625023C - High-pressure single-tube steam generator with forced flow of the working medium : de en
  • BE412999A - Syringe for local anesthesia. : en fr
  • FR793712A - Method of manufacturing tools containing in their surface layer a metal carbide : en fr
  • GB441874A - Improvements in and relating to the manufacture of tennis balls : en
  • DE624936C - Electric line in the form of profile strips : de en
  • CH182203A - Process for the preparation of a stable solution of α-diethylamino-8- (o-pentylamino) -6-methoxyquinoline hydrochloride. : de en
  • PL22566B3 - Method of obtaining zinc. : en pl
  • US2029056A - Rotary spreader : en
  • US2029273A - Process of coating paper : en
  • AU2095935A - Improvements in automatic car couplers : en
  • AU2355035A - Improvements in or relating to rolls with working or body portions of fiber, and methods of producing said rolls : en
  • CA355626A - Stitched fabric : en fr
  • SU45605A1 - Steam or air motor for hand tools and toys : en ru
  • CH182023A - Thermostat on a thermoelectric apparatus, in particular on an iron. : de en
  • DE624947C - Process for the production of precious metal decorations on ceramic objects : de en
  • CH182042A - Process for the production of alkali cellulose. : de en
  • SU45637A1 - Frequency multiplication method : en ru
  • US2028966A - Releasing overshot : en
  • SU45674A1 - Electromagnetic Ammeter : en ru
  • CA355673A - Tube coupling : en fr
  • CH182074A - Noticeboards for index sheets, with tongues. : de en
  • GB441791A - Improvements relating to roller mills for cereal grain : en
  • ES3636Y - Guide for filing cabinets and files drawers : en es
  • GB442067A - Improvements in and relating to air-conditioning and air-humidifying apparatus : en
  • CH182101A - Bomb-proof shelter. : de en
  • CH182197A - Vapor discharge vessel with pump group and a vacuum measuring point outside the discharge vessel. : de en
  • CA355584A - Weather strip : en fr
  • CH182043A - Process for the production of nitriles. : de en
  • SU45794A1 - Method for the production of chilled fish fillets : en ru
  • SU45704A1 - Method for removing gelatinous adhesives : en ru
  • BE412878A - : en
  • SU45636A1 - Device for generated ultra high frequency electrical oscillations : en ru
  • SU45642A1 - The method of stabilizing the amplitude of oscillations of the lamp generator : en ru
  • CH182280A - Process for the preparation of a red monoazo dye. : de en
  • CH182054A - Anti-corrosive agents. : de en
  • DE578774C - Bending and bending machine : de en
  • DE624793C - Cabinet, the lower part of which can be transformed into a desk : de en
  • ES140438A1 - Process of extraction and recovery of the fertilizers contained in the vinasse of distillery and purification of the same. : en es
  • CH182239A - Vehicle with caterpillar drive. : de en
  • US2028851A - Telephone pay station apparatus : en
  • US2029023A - Instrument for measuring core loss in magnetic materials : en
  • US2028983A - Fish lure : en
  • CH182226A - Ladies bag hanger. : de en
  • DE624743C - Trailer coupling, especially for motor vehicles : de en
  • CH182033A - Power-driven machine for processing food, etc. : de en
  • CH182164A - Injection internal combustion engine with a starting device. : de en
  • CH182081A - Photoelectric light meter on cinematographic apparatus. : de en
  • CH182215A - High frequency tuning coil with magnetic core for radio receivers. : de en
  • DE625011C - Electromagnetic alternating current protection : de en
  • GB441873A - Improvements in fuel pumps for internal-combustion engines : en
  • FR793824A - Washing and cleaning agents : en fr
  • GB441890A - Improvements relating to roll-film cameras : en
  • SU45815A1 - The method of obtaining material for grinding and cutting tools : en ru
  • CH182002A - Device for heating food liquids. : en fr
  • SU45750A1 - A device for obtaining variable stereoscopic images : en ru
  • US2029216A - Crank case ventilation : en
  • CH182175A - Accumulator plate. : en fr
  • CA355615A - Tung oil acid : en fr
  • CH182156A - Free piston compressed gas generator. : de en
  • USRE19836E - Illuminated ornamental device fob : en
  • CH182078A - Device for feeding the sheets to the processing point of machines processing paper sheets, in particular folding machines. : de en
  • US2029253A - Method of treating crystalline abrasives and treated product : en
  • CA355688A - Filament production : en fr
  • US2029226A - Apparatus for the manufacture of artificial silk : en
  • US2029272A - Delayed control time lock : en
  • CH182028A - Closing strap with beaded edge for slide fasteners. : de en
  • US2028924A - Pencil sharpener : en
  • CH182099A - Automatic igniter for hand grenades. : en fr
  • ES139144A1 - Improvements regarding the packaging and the method to make it. : en es
  • CH182155A - Rapid piston machine. : de en
  • DE624805C - Machine for the production of scale sheet forms : de en
  • ES139480A1 - Improved lathe. : en es
  • GB442035A - Improvements in vehicle rocking machines : en
  • GB441848A - Improvements relating to automatic arc lamp mechanism : en
  • GB441887A - Improvements in concentrating devices for use in conjunction with placer mining machines : en
  • SU45692A1 - Photocell : en ru
  • CH182051A - Process for the preparation of an oil- and fat-soluble disazo dye. : de en
  • FI16925A - Gymnastic and training device for the maintenance of the arm muscles : en fi
  • GB441818A - Improvements in steam generating and superheating installations : en
  • CH182196A - Gas or vapor discharge vessel with controlled deionization grids. : de en
  • FR793600A - Method and device for cleaning exhaust gas filters : en fr
  • GB441972A - Improvements in or relating to ore reducing machines : en
  • FR793615A - Suspension and independent wheels for all vehicles and in particular for automobile chassis : en fr
  • ES3820Y - A new type of furniture : en es
  • US2028799A - Piston : en
  • DE625024C - Overvoltage protection device for the secondary side of current transformers : de en
  • PL22497B3 - Method of separating minerals with different specific weight. : en pl
  • FR793641A - Token dispenser for automatic devices : en fr
  • ES3842Y - A hygienic dropper : en es
  • FR793621A - Refining process for impure lead : en fr
  • GB442052A - Improvements in and relating to the removal of incrustation from boilers : en
  • DE1361870U - : de en
  • CH182132A - Adjustment device on continuously adjustable arc welding transformers. : de en
  • FR793530A - Ski binding device : en fr
  • US2029009A - Building construction : en
  • CA355662A - Television synchronizing system : en fr
  • CH182188A - Handle switches for power tools. : de en
  • CH182200A - Vapor discharge tube made of radiolucent material for copying weakly light-sensitive materials. : de en
  • DK51186C - Procedure for the Preparation of Acridine Derivatives. : da en
  • US2028820A - Chin support : en
  • USD98321S - Design for a dish : en
  • CH182089A - Facility to facilitate the finding of sites and the determination of the most advantageous means of transport to them. : de en
  • SU45719A1 - The method of preparation of a solution resistant to light ammonia silver : en ru
  • ES3743Y - A chair-hammock or chaise-longue that has a special bracero with a metal rod setting that starts from it : en es
  • FI16907A - The provisions of this Regulation apply to motor vehicles : en fi
  • GB441965A - Apparatus for the electrical separation of mixed particles : en
  • US2029079A - Cycle chain lubrication device : en
  • US2028865A - Massaging device : en
  • US2029122A - Grading machine : en
  • ES140510A1 - Improvements in the adjustable closures by means of cables. : en es
  • FR793616A - Artistic closure system for cones, bags and packaging, more particularly used in confectionery : en fr
  • GB442015A - Improvements relating to aircraft : en
  • DE624924C - Dewatering wells in layers that are to be removed by machine : de en
  • FR793722A - New dyestuffs which can be used in particular as photographic sensitizers and their preparation processes : en fr
  • GB442078A - Improvements relating to the indication of movements at a distance : en
  • GB441930A - Improvements relating to liquid measuring and dispensing apparatus : en
  • GB442077A - Improvements in or relating to reaping machines : en
  • GB442218A - Improvements in or relating to target indicators : en
  • GB442058A - Improvements in and relating to two-stroke radial cylinder internal combustion engines : en
  • GB442140A - Improvements in and relating to mechanical and electrical couplings : en
  • FR793794A - Improvements to cathode ray tubes for television or oscillography : en fr
  • US2028794A - Method of constructing revetments : en
  • SU45651A1 - The method of removing the frequency characteristics of the line : en ru
  • USD98360S - Design for a boudoir case : en
  • CA355602A - Telemetric proportioning controller : en fr
  • CA355671A - Staple fibre manufacture : en fr
  • US2028912A - Viscous fluid pump : en
  • USD98378S - design foe lace : en
  • PL22573B1 - A method of absorbing and recovering S02. : en pl
  • US2029116A - Ventilating device : en
  • US2028960A - Glass feeding shelf : en
  • CH181980A - Snow removal vehicle. : de en
  • PL22565B1 - A method of producing alcohols. : en pl
  • SU45804A1 - Continuous Movie Projector : en ru
  • USD98319S - Design fob a tray : en
  • US2029121A - Method for adjusting the length of structural members : en
  • CA355569A - Refrigerator : en fr
  • CH182147A - Self-sealing stuffing box. : de en
  • CH182073A - Device for marking or. Turning sheets such as card file sheets or sheets of music. : de en
  • DE624891C - Switching device for 110 and 220 volts operating voltage arranged in the handle of an electric soldering iron : de en
  • DE625022C - Production of road binders : de en
  • ES4411U - Individual espresso machine. (Machine-translation by Google Translate, not legally binding) : en es
  • FR793777A - Reinforced polymerization panels : en fr
  • DE624691C - Device for doubling sheets : de en
  • US2029024A - Automobile insulation and floor board : en
  • DE624760C - Circulating air sifter : de en
  • SU45652A1 - Lamp screen : en ru
  • DE624980C - Nozzle system for spray guns with wire or powder spray material : de en
  • FR793513A - Apparatus for testing injectors for diesel engines and the like : en fr
  • US2028982A - Hydraulic transmission mechanism : en
  • US2028860A - Receiving system : en
  • PL22506B1 - A method of spreading an aqueous rubber dispersion) or a dispersion containing rubber. : en pl
  • DE624965C - Control and regulation for piston steam engines : de en
  • DE624902C - Chasers for external and internal threads : de en
  • US2028938A - Automatic valve : en
  • US2028929A - Method of and apparatus for generating hollow faced worms and the like : en
  • US2029104A - Pressing machine-reciprocating type : en
  • US2029256A - Treatment of hydrocarbon oils : en
  • USD98328S - Design for a combination ash tray : en
  • ES3728Y - Device applicable to electric heating plates, mainly for electric stoves and cookers that allow them to be separated : en es
  • FR793557A - Voltage regulation device for electric generators : en fr
  • ES140131A1 - An apparatus for introducing improvements in liquid elevating installations. : en es
  • US2029258A - Acid dyestuffs of the anthraquinone series and a process of preparing them : en
  • FR793620A - Aerial camera : en fr
  • FI16886A - Anordning vid av förbränningsmotorer drivna fordon för åstadkommande av konstant belastning på förbränningsmotorn : en fi
  • GB441920A - Improvements in photographic roll film cameras : en
  • CH182235A - Power-assisted steering device for vehicles, in particular for motor vehicles. : de en
  • US2028913A - Aquarium : en
  • USD98382S - Design for a bottle : en
  • CH182122A - Process for manufacturing a dial and dial obtained by this process. : en fr
  • CA355642A - Cigar feed : en fr
  • FI16924A - Branding for branding and design : en fi
  • FR793685A - Apparatus intended to empty any liquid from any tin box or receptacle of any form : en fr
  • SU45597A1 - The method of separate production of sulfur and bitumen from bituminous sulfur ore : en ru
  • CH182138A - Rubber thread and process for its manufacture. : de en
  • DE624950C - Circuit for electric vehicles : de en
  • FR793761A - Rowing machine convertible into a light vehicle : en fr
  • GB441902A - Improvements in or relating to wire-drawing machines : en
  • FR793850A - Exposure and diaphragm regulator for cameras : en fr
  • CH182222A - Device for comparing different speeds, especially for anti-skid protection for locomotives. : de en
  • ES139410A1 - Improvements in the indicator mechanisms. : en es
  • SU45700A1 - The method of preparation of color printing and offset inks : en ru
  • DE625006C - Universal joint : de en
  • FR793653A - Apparatus for water treatment and in particular for sterilization : en fr
  • FR793689A - Improvements in the control of the excitation of electric machines : en fr
  • SU45781A1 - Mover for carts : en ru
  • USD98307S - Design fob a shoe : en
  • DE624859C - Self-tapping screw : de en
  • ES140465A1 - IMPROVEMENTS IN THE CONSTRUCTION OF WALLS OR CEILINGS TO CLOSE SPACES IN LIVABLE BUILDINGS : en es
  • FR793510A - Alloy and its manufacturing process : en fr
  • FR793706A - Method and device for manufacturing electrical conductors with insulation by means of a flexible pipe : en fr
  • ES140514A1 - Pump for fire extinguishing. : en es
  • PL22562B1 - A method of airtight and hygienic packaging of items in paper without glue. : en pl
  • DE624617C - Process for dyeing fur, hair and feathers : de en
  • FR793519A - Automatic control mechanism for automobile headlights : en fr
  • FR793735A - case for rouge stick, blush or other makeup item : en fr
  • US2028962A - Laminated panel : en
  • US2028984A - Eyecup : en
  • US2029269A - Coin control for scales : en
  • PL22526B1 - A method of simultaneously producing iron or its carbon compounds and Portland cement or hydraulic lime in a rotary kiln and an apparatus for carrying out the method. : en pl
  • DE624822C - Process for the production of coatings from lacquers, stand oils, lacquer and stand oil paints : de en
  • GB442212A - Improvements in and relating to the production of products comprising vegetable phosphatides : en
  • ES140472A1 - A retrograde coupling modulation system. : en es
  • US2028958A - Manufacture of azo colors : en
  • USD98387S - Design for a cycle saddle seat : en
  • CA355586A - Bacterium culture : en fr
  • US2028954A - Latch : en
  • USRE19839E - Decalcomania : en
  • GB441939A - Improvements relating to preformed ready-to-lay coverings for floors, walls and the like : en
  • CH182185A - Gas pressure switch. : de en
  • ES140517A1 - APPARATUS FOR REMOTE TRANSITION AND DISTRIBUTION OF BEVERAGES AND LIQUIDS IN GENERAL : en es
  • ES3706Y - Adjustable pressure hose coupling : en es
  • US2028830A - Tube cap : en
  • US2029186A - Lighting device for cigarettes : en
  • USRE19838E - Fruit press : en
  • ES139496A1 - Improvements in induction motors with stators and ring-wound rotors. : en es
  • GB441927A - Improvements in and relating to the excavation of soil and earth preparatory to the casting of concrete piles in situ : en
  • ES140446A1 - Procedure for the manufacture of compressed sugar pellets. : en es
  • FR793792A - Device for counting long distance telephone calls according to time and area : en fr
  • US2028979A - Adjustable head support : en
  • PL22558B1 - Specification water cooler for aircraft engines. : en pl
  • SU45590A1 - Rakes for the agglomeration of peat bricks on the field of drying : en ru
  • SU45764A1 - Electric cigarette lighter : en ru
  • ES139465A1 - An automatic firearm. : en es
  • US2029092A - Convertible chair, divan, and bed : en
  • USD98323S - Design for a paper cup : en
  • ES139570A1 - Improvements in lighters or devices to burn liquid fuels and all kinds of fuels, dense or heavy, especially those known for gas-oil and fuel oil, applicable to small industries and domestic uses in their various manifestations : en es
  • GB441877A - Improvements in and relating to sealing compositions for containers : en
  • GB442021A - Machine for hot stamping and/or die casting metals : en
  • US2028898A - Process for the purification of caustic soda solutions : en
  • US2029085A - Pressure fluid supply system and apparatus : en
  • US2029141A - Device for spraying : en
  • USD98357S - Design foe a shoe : en
  • CA355649A - Krypton and xenon manufacture : en fr
  • US2029016A - Window fastener : en
  • CH182252A - Electrically heated equipment with frost protection windows, in particular for driver's cabs of vehicles : de en
  • FR793681A - Special breathable gas protection effect : en fr
  • FR793749A - Vacuum drying apparatus, arranged vertically and in which the material descends : en fr
  • GB441830A - Improvements in or relating to film-number indicators and film cutters for roll-filmphotographic cameras : en
  • CH182157A - Flying piston internal combustion engine with at least two pairs of pistons rotating in opposite directions. : de en
  • SU45571A1 - Centrifugal separator : en ru
  • US2029158A - Display card support : en
  • US2029190A - Phonograph : en
  • DE624930C - Electrical contact device, in particular for drawing current for electric railways : de en
  • SU45630A1 - Method for making a mosaic cathode plate for superkinescope : en ru
  • SU45680A1 - Capacitance measuring device : en ru
  • PL22514B1 - Apparatus for decomposing the image into individual elements for television and the like. : en pl
  • SU45841A1 - Automatic packaging machine for packing tea substitutes, ground coffee and similar powdered substances in bags with double paper wrap : en ru
  • DE624713C - Knitwear with pattern effects from different cover threads : de en
  • ES140494A1 - A system cistern perfected for the transport of liquids for all kinds of terrains. : en es
  • FR793836A - Doors or windows for gas shelters : en fr
  • SU45606A1 - Condensing unit with mixing condenser for steam turbines : en ru
  • CH182071A - Method and device for the production of molded fibrous articles. : de en
  • US2028756A - Breather valve : en
  • CH182287A - Process for the production of a new azo dye. : de en
  • DE624940C - Rudder pressure writing and measuring equipment, especially for aircraft : de en
  • DK51191C - Heat exchange device. : da en
  • FR793760A - Power meter with cos phi compensation : en fr
  • AU2329535A - Portable gravel washing and screening plant : en
  • GB442024A - Manufacture of oxyalkylated (ª‰, ª†-dioxypropyl)-aminobenzenes and the correspondingª†-alkyl ethers : en
  • GB441980A - Shutter release for photographic cameras : en
  • GB441859A - Improvements in fire grates and stoves : en
  • BE412937A - : en
  • SU45673A1 - A device for the transition in the cascade connection of induction motors from one speed to another : en ru
  • GB441806A - A process for the production of valuable products from mineral oils : en
  • GB441847A - Improvements in and relating to means for separating one set of electrical oscillations from another, suitable for use in television and like systems : en
  • FI16911A - The use of electric drift by an operator : en fi
  • GB441953A - Improvements in or relating to machines for moulding semi-plastic or granular materials : en
  • CA355679A - Rubber dispersion concentration : en fr
  • USD98352S - Design fob a shoe : en
  • PL22587B1 - A device for locking the switch actuating mechanism. : en pl