• US1972708A - Magnetic compass : en
  • CA344359A - Vibrating screen : en fr
  • CA344458A - Gasket : en fr
  • DE602429C - Electric multi-motor drive for paper machines : de en
  • US1972321A - Clothesline tightener : en
  • CA344393A - Rubber processing : en fr
  • US1972075A - Web feeding apparatus : en
  • FR770055A - Removable hutch : en fr
  • US1972545A - Finishing panel : en
  • US1972652A - Power shovel dipper : en
  • US1972731A - Duplicating machine : en
  • CA344360A - Roller planet gear : en fr
  • CA344446A - Garment : en fr
  • US1972312A - Method and means for forming roofing tile : en
  • US1972597A - Shoe and shoemaking : en
  • US1972600A - Device for the production of artificial smoke : en
  • USD93249S - Design fob a case fob an ophthalmic : en
  • US1972792A - Wrapping connecter orifice meter : en
  • AU1545133A - Manufacture of sliders for sliding clasp fasteners : en
  • DE602251C - Reversing gear for washing machines or the like. : de en
  • DE602475C - Racing game with multiple characters : de en
  • GB415853A - Improvements in and relating to single-phase capacitor type induction motors : en
  • US1972772A - Conditioning air for use in treating materials : en
  • DE602297C - Propeller drive for motor vehicles : de en
  • US1972300A - Automobile lock : en
  • US1972445A - Still clean-out return bend : en
  • AU1585934A - Process and product relating to unsaturated xanthates : en
  • CA344333A - Auger bit : en fr
  • USRE19301E - Indented paper : en
  • DE602201C - Machine for bending profile iron or tubes using three profiled pairs of rollers : de en
  • DE602226C - Rotary piston vacuum air pump with movable gate valve, oil cover of the pressure valve and oil shut-off device in the pressure channel : de en
  • FR43812E - Improvements in the preparation methods for spinning continuous ribbons of any continuous fiber textiles : en fr
  • FR43895E - Method for sensitizing emulsions of a silver halide : en fr
  • US1972566A - Meat saw : en
  • DE602411C - Device for hooking a fishhook into the mouth of a biting fish : de en
  • FR769978A - Stop and restart device for loom with automatic shuttle change : en fr
  • GB415918A - Improvements relating to the manufacture of drawn tubes with welded seams : en
  • US1972325A - Planter : en
  • GB415946A - Improved device for securing tubes in end-to-end relationship : en
  • CA344467A - Sawmill carriage : en fr
  • AU1728134A - Improvements in and relating to card indexes, files, andthe like : en
  • FR770071A - New electric oven system : en fr
  • DE602446C - Ejection device for die setting and line casting machines, especially for hollow lines : de en
  • GB415826A - Improvements relating to control mechanism for fluid-operated valves : en
  • CA344356A - Window sash cord fitting : en fr
  • FR769945A - : fr
  • US1972808A - Automatic measuring device : en
  • DK49215C - Diesel electric locomotive. : da en
  • US1972739A - Switch for stoves : en
  • US1972343A - Catcher : en
  • DE602266C - Process for the production of rubber-insulated electrical cables : de en
  • FR770123A - Anti-skid device for cycles or motorcycles : en fr
  • GB415805A - Improvements in stoppers for bottles and like vessels : en
  • US1972235A - Brake member : en
  • US1972414A - Electron discharge device : en
  • US1972437A - Fire extinguisher for films : en
  • FR43873E - : fr
  • FR769820A - Bevelling machine for band saw ends : en fr
  • DE602250C - Snap button inserting machine : de en
  • US1972085A - Art of treating metal bearing ores : en
  • US1972784A - Bobbin : en
  • CA344318A - Garment : en fr
  • DE602369C - Cutting device for straight cigarette machines : de en
  • US1972537A - Liquid fluid atomizer : en
  • CA344403A - Magnesium sulphate manufacture : en fr
  • US1972074A - Process for separating sulphur dioxide from gaseous mixtures : en
  • US1972732A - Brake cylinder lubricator : en
  • US1972107A - Automatic power transmission : en
  • US1972192A - Plowshare and method of forming a wear-resistant nose and cutting edge thereon : en
  • GB416352A - Improvements in or relating to skiving or splitting machines : en
  • US1972799A - Frozen confection : en
  • CA344355A - Variable drive mechanism : en fr
  • USD93250S - Design for a range : en
  • DE602286C - Irrigation device : de en
  • DE602337C - Process for the production of Kuepen dyes : de en
  • GB415849A - Improvements in foot valves for fuel tanks : en
  • FR769926A - Strapping machine for boxes and various parcels : en fr
  • GB415904A - Improvements in or relating to rubber covered rolls : en
  • DE602366C - Housing for traffic signs, especially for motor vehicles : de en
  • US1972383A - Plied aqueous cellulose film : en
  • US1972580A - Absorption refrigeration system : en
  • DE602319C - Line ship with line shifter : de en
  • FR43876E - Garbage collection truck or other similar applications : en fr
  • US1972277A - Sealed package : en
  • US1972374A - Carburetor : en
  • USRE19306E - Receptacle frame : en
  • FR770011A - Improvements to so-called guillotine frames : en fr
  • GB415874A - Improvements in moulding articles of hydraulic cement : en
  • DE602346C - Device for marking the loose sides and the thickness of shell veneers : de en
  • GB415765A - Improvements relating to door or gate opening and closing gear : en
  • FR769913A - : fr
  • GB415954A - A vulcanizable rubber-containing mixture : en
  • GB415995A - Improvements in and relating to racket presses : en
  • FR43885E - Rubber ball for games : en fr
  • DE602348C - Method for decorating hollow rubber balls : de en
  • FR43891E - Process for converting coal distillation products, particularly tar acids or products containing them, into usable hydrocarbons substantially free from these acids : en fr
  • FR43804E - Household stove, or other uses, with several <<heaters>> with variable spacings : en fr
  • FR770044A - Process for preserving liquids and other substances : en fr
  • CA344415A - Internal combustion engine : en fr
  • DE601935C - Machine for conical forging of cylindrical workpieces : de en
  • DE602150C - Method and device for the quantitative measurement of the liquid permeability of substances, e.g. B. of paper and fabrics : de en
  • US1972513A - Drain inlet : en
  • DK49228C - Tools for the manufacture of plate radiator elements and the like of two plates assembled along their edges. : da en
  • GB416007A - Improvements in or relating to the manufacture of cyanhydrins : en
  • DK49220C - Device for removing coarser, especially of bottles, from their soaking vessels by means of systems for cleaning containers, for sinking parts of the bottom. : da en
  • FR769852A - Rotary sieve for the purification of liquid clay : en fr
  • FR770143A - Improvements to pipe fittings : en fr
  • DE602208C - Method for attaching a clip closure to vacuum flasks : de en
  • DE602463C - Process for the extraction of metals from sulphidic ores : de en
  • US1972797A - Tanning animal hides : en
  • USD93233S - Design for a cigar or cigarette : en
  • US1972476A - Acetic acid : en
  • US1972601A - Coupling : en
  • GB415976A - Improvements in compression ignition oil engines : en
  • CA344392A - Rubber processing : en fr
  • GB416023A - Improvements in razors : en
  • GB415984A - Improvements relating to the insulation of contacts and terminals in electrical fittings : en
  • US1972468A - Tar distillation : en
  • US1972497A - Dual piston engine : en
  • US1972844A - Refrigeration : en
  • FR770035A - Automatic exposure adjustment device for cameras : en fr
  • DE602240C - Reinforced concrete beam ceiling : de en
  • DE602447C - A printing block that sits on a closed ink container and can be inserted into an opening in a printing set or in the printing plate of a forme cylinder : de en
  • US1972317A - Method for inhibiting the oxidation of readily oxidizable metals : en
  • FR770042A - Permanent magnet with variable demagnetization factor : en fr
  • FR769823A - Advanced vineyard plow : en fr
  • USD93199S - Design for a game apparatus : en
  • DE602165C - Process for stabilizing aqueous bitumen emulsions : de en
  • US1972164A - Coffee brewing and percolating device : en
  • US1972443A - Method of applying salt on pistachio nuts : en
  • US1972607A - Cord : en
  • GB415983A - Improvements in and relating to intermittent current generators : en
  • GB415881A - Improvements in or relating to the separation of materials of different specific gravities : en
  • FR770025A - Elastic coupling : en fr
  • FR770087A - Wallet : en fr
  • GB415769A - Improvements in or relating to insulation or non-conducting coverings for heat and sound : en
  • DE602357C - Cover for cables and flexible shafts : de en
  • GB416021A - Means for altering the timing of electrical impulses for the grid control of vapour arc rectifiers : en
  • CA344305A - Dry cell : en fr
  • CA344389A - Rubber processing : en fr
  • US1972657A - Cigarette packing machinery : en
  • US1972806A - Controlling device comprising a triode : en
  • DE602237C - string : de en
  • GB415908A - Improvements in and connected with oil coolers : en
  • DE602438C - Pin roller drive for helical rolling mills for the production of seamless large pipes or drums : de en
  • FR769912A - Improvements in beds, bunks and similar tilt adjustable furniture : en fr
  • DE602302C - Metal boat skin for folding boats : de en
  • US1972773A - Tobacco hanger : en
  • US1972111A - : en
  • FR43890E - Electric discharge tube : en fr
  • GB415760A - Improvements relating to steam locomotive engines : en
  • DE602114C - Mercury vapor rectifier with built-in components upstream of the anodes, some of which are controlled from the outside and some of which are not electrically connected to any point outside the discharge space : de en
  • FR769906A - New knitting and machine for its manufacture : en fr
  • US1972543A - Lubricating system for internal combustion engines : en
  • US1972720A - Cross-shot woven resistor : en
  • US1972788A - Weather strip : en
  • DE602194C - Automatic control device for the motor that moves the counterweight of jib cranes : de en
  • GB415917A - Improvements in or relating to aircraft provided with rotatable wings or blades : en
  • CA344366A - Fire extinguishing apparatus : en fr
  • US1972571A - Distribution of heat energy : en
  • US1972575A - Double-swinging door : en
  • US1972110A - Process for manufacturing condensation products : en
  • DE602334C - Composite body, consisting of a metal with good thermal conductivity (copper) and a metal with a high melting point (tungsten), in particular anode for X-ray tubes : de en
  • GB415832A - Rubber substitute and process of manufacturing same : en
  • US1972486A - Variable pitch propeller mechanism : en
  • US1972395A - Permanent brilliantly colored writing fluid : en
  • US1972591A - Cigarette dispenser : en
  • CA344382A - Rubber processing : en fr
  • CA344406A - Engine starter : en fr
  • CA344432A - Telephone system : en fr
  • US1972324A - Boiler for heating systems : en
  • US1972829A - Hydraulic brake : en
  • USD93203S - Design for a combined doll ward : en
  • DE602230C - Episcope : de en
  • FR769917A - Advanced device for facial or other massages : en fr
  • FR769993A - Improvements to the dashboards, to the devices mounted on them and the lighting means of these devices : en fr
  • FR770082A - Process of heat treatment of iron, iron alloys or others : en fr
  • US1972119A - Dowel pin for connecting parts of machinery, apparatus, and the like : en
  • US1972149A - Method for cracking oils in vapor phase : en
  • US1972640A - Photographic camera : en
  • DK49226C - Bra. : da en
  • US1972207A - Colored concrete : en
  • US1972423A - Trailer hitch : en
  • US1972831A - Railroad car : en
  • DE602197C - Building with storeys stepped from the outside to the inside : de en
  • DE602233C - Switching device for cooling the cylinder of motorized syringes with a venting device for the injection pump : de en
  • DE602281C - Process for the extraction of manganese : de en
  • DE602284C - Process for converting electrical voltage fluctuations into light fluctuations : de en
  • FR769828A - Improvements to packing box stapling machines : en fr
  • GB415891A - Change-speed gearing : en
  • FR769998A - Tracking system : en fr
  • US1972209A - Fabric cutter : en
  • GB415766A - Improvements in or relating to the separation of olefines : en
  • AU1363533A - Combined cigarette paper container and cigarette maker : en
  • US1972289A - Automatic transmitter key for distress signals : en
  • DE602356C - Automatic starting device for internal combustion engines : de en
  • FR769890A - Device for automatic extraction of the shelf plate, applicable to ovens and in particular to those of culinary appliances : en fr
  • GB416005A - Improvements in or relating to the cementing together of pieces of stock : en
  • US1972315A - Dust eliminator for electric motors : en
  • US1972747A - Remote controlled electropneumatic brake : en
  • USD93213S - Design for a dress : en
  • FR770118A - Method and apparatus for measuring the flow rate of a fluid delivered to a reservoir : en fr
  • GB415789A - The manufacture of new reaction products from natural or synthetic waxes of the ester type : en
  • US1972313A - Method of making ink records : en
  • US1972648A - Stripping machine : en
  • FR769938A - Improvement in chain derailleur shifts : en fr
  • DE602175C - Cooling bed : de en
  • DE602399C - Process for the production of capacitors with blind laid, by a solidified when cooling dielectric, z. B. sulfur, separate intermediate electrodes : de en
  • DE602437C - Equipment on movable attack and under-shot weirs to ventilate the negative pressure space between the water jet and the weir skin : de en
  • US1972371A - Brake shoe : en
  • FR770125A - Installation of electrical outlets : en fr
  • FR770126A - Distributor cap for internal combustion engines : en fr
  • GB415893A - Improvements in and relating to traffic control systems : en
  • DE602370C - Paper feeder working from the roll for wrapping machines and similar machines : de en
  • CA344469A - Surface tension dialyser : en fr
  • DE602225C - Electrode structure for discharge tubes : de en
  • DE602452C - Gear bearings for electric traction vehicles : de en
  • FR769931A - Protective cover for goods of all kinds sensitive to the action of light and air : en fr
  • US1972452A - Paper clip : en
  • FR769850A - Method of drying wet artificial silk wound on non-flexible perforated supports : en fr
  • US1972779A - Flexible coupling : en
  • DE602470C - Gliding ship : de en
  • USRE19308E - wilhjelm : en
  • DE602221C - Elastic vehicle wheel with rubber bodies embedded between the wheel tire and the wheel body under pretension : de en
  • GB415856A - Improvements in radio receiving apparatus : en
  • FR770056A - New way to correct eyesight, in particular that of presbyopes, without wearing glasses, eyeglasses or face-to-hands and device for achieving : en fr
  • FR770134A - Fashion trim : en fr
  • US1972373A - Clutch mechanism for lathe aprons : en
  • US1972810A - Asphalt prepared building material and method of making same : en
  • US1972774A - Closet : en
  • GB415868A - Improvements in or relating to the preparation of stable fruit juice and fruit syrup suspensions : en
  • US1972182A - Roll screen : en
  • US1972529A - Welding apparatus : en
  • FR770021A - Improvements to prepayment devices, in particular those for radio receivers : en fr
  • GB415921A - Improvements in ratchet wrenches : en
  • DE601662C - Footwear gluing press : de en
  • DE602192C - Foam and sludge separator for coffee machine kettles : de en
  • FR43897E - Convertible armchair for children : en fr
  • FR769969A - Closing device for shotguns and shotguns with application : en fr
  • GB415817A - Improvements in gear-change mechanism : en
  • DE602373C - Process for the production of wear-resistant pipes : de en
  • US1972626A - Automobile doorlock : en
  • DE602322C - Monitoring device for the machine performance of die setting and line casting machines : de en
  • FR770018A - Device for controlling an electric discharge device by means of a capacitor discharge produced by a neon lamp : en fr
  • DE602386C - Molding device for making pots from clay or similar materials : de en
  • GB415757A - Improvements in automatic fire-arms : en
  • GB416418A - Improvements in or relating to electric switches for vehicle signalling lights : en
  • US1972569A - Renewable fuse : en
  • DE602311C - Double jib luffing crane : de en
  • DE602359C - Pair of crushing jaws for stone crusher : de en
  • DE602162C - Security for hunting weapons : de en
  • FR769915A - Centering assembly with tracer arm for automobile wheels : en fr
  • US1972210A - Apparatus for scoring and snapping flat glass automatically : en
  • FR769835A - Improvements to packing cases : en fr
  • GB415940A - Improvements in hose-supporters : en
  • FR43874E - Rotary pot mill : en fr
  • DE602184C - Rail fastening on cross sleepers using rail spacers : de en
  • DE602343C - Wood drill bit with ring handle : de en
  • GB415994A - Improvements relating to photo-electric tubes : en
  • US1972385A - Circular rotating grizzly : en
  • US1972664A - Wheel : en
  • FR769867A - Emergency protection system for railway tracks : en fr
  • FR770026A - Formaldehyde derived from acetylene gas : en fr
  • US1972071A - Moistening machine : en
  • US1972357A - Overcurrent protective device : en
  • US1972821A - Method of making valve bodies : en
  • DE602187C - Process for the production of slip ring bodies from formable insulating material designed as a coil : de en
  • US1972278A - Apparatus for spinning artificial silk with greater take-up speed : en
  • US1972092A - Cellulose derivative composition : en
  • DE602332C - Electric liquid condenser : de en
  • FR770009A - Process for waterproofing and filling cavities in land or masonry : en fr
  • GB415828A - Improvements relating to the construction of adjustable-spanners, wrenches, clamps, pipe-cutters, pipe-grips and like tools : en
  • CA344379A - Combustion efficiency measuring apparatus : en fr
  • CA344460A - Ferrophosphorus conversion : en fr
  • DE602456C - Time switch with switching mechanism to be triggered by time pins : de en
  • FR769882A - Improvements to the cooling and exhaust of air-cooled explosive engines : en fr
  • US1972416A - Display apparatus : en
  • US1972641A - Pocket gopher trap : en
  • USD93212S - Design for a stjnbonnet : en
  • US1972206A - Pictorial game apparatus : en
  • US1972579A - Esters of 2-ethylbutanol-1 : en
  • US1972599A - Method of making tertiary alkyl phenols : en
  • DE602436C - Belt grinder : de en
  • FR770040A - Method for improving the physical and mechanical properties of alloys : en fr
  • CA344441A - Winch for buckets, etc. : en fr
  • DE602227C - Window with sliding sashes : de en
  • FR769984A - Toy railroad tracks : en fr
  • FR769826A - Special closure for bra : en fr
  • US1972299A - Windshield cleaning device : en
  • DE602232C - With external ignition working, mixture-compressing internal combustion engine for liquid fuels : de en
  • GB415802A - Improvements in or relating to mercury-arc rectifiers : en
  • FR770091A - Method and device for continuous control of compressors : en fr
  • FR770039A - Improvements relating to a process for drilling solid metal blanks : en fr
  • US1972679A - Safety device for hot metal mixers : en
  • FR43864E - Process for obtaining particular light effects on images, photographs, or any polychrome subjects, placed under glass : en fr
  • FR769872A - Process for the production of rubber balls : en fr
  • US1972701A - Cycle pedal : en
  • US1972104A - Mounting for flexible type holding chases : en
  • DE602344C - Edge screw clamp : de en
  • GB415762A - Improvements in or relating to apparatus for joining the ends of wires and the like by twisting them together : en
  • GB416010A - Improvements in electrolytic condensers : en
  • US1972455A - Bushing extractor and inserter : en
  • US1972833A - Continuous process for making carbureted water gas : en
  • AU1414233A - Improvements in and relating to pistons : en
  • FR769858A - Distributor : en fr
  • GB415886A - Improvements in fuses for projectiles : en
  • GB415922A - Improvements in or relating to variable speed friction gearing : en
  • US1972713A - Flow measuring apparatus : en
  • US1972440A - Pressure mold : en
  • US1972506A - Printing press : en
  • US1972610A - Metal wheel : en
  • FR769822A - cigarette case dispenser : en fr
  • GB415774A - An improved rib for sheet-metal plastering mesh : en
  • GB415883A - Improvements in and relating to variable speed gearing : en
  • DE602247C - Process for the production of resistant coverings for walls and ceilings : de en
  • FR769992A - Advanced servo selector for powering automotive and other engines : en fr
  • FR770078A - Glass painting system and its manufacturing process : en fr
  • FR43889E - Manufacturing process of sensitive silver salt emulsions : en fr
  • FR770142A - Electro-inductive safety device for railway trains : en fr
  • DK49223C - Ointment base for cosmetics and pastes, including toothpaste. : da en
  • FR770108A - Rubber nozzle for gas hoses : en fr
  • CA344351A - Air conditioning apparatus : en fr
  • FR43831E - Improvements to light-sensitive actuators : en fr
  • GB415980A - Improvements in or relating to the cooling of internal combustion engines for operating pile-drivers and the like : en
  • USD93230S - Design foe a flying boat : en
  • USD93258S - Design for a combined vending ma : en
  • US1972341A - Quotation board system and apparatus : en
  • US1972169A - Valve : en
  • US1972263A - Calendar pad holder : en
  • GB415819A - Improvements in or relating to processes for the conversion of milk and cream into butter : en
  • FR769862A - Double-tee iron sheet pile wall arranged in a circle or similar shape : en fr
  • FR769903A - : fr
  • US1972719A - Operating mechanism for machines : en
  • DE602347C - Device for cutting Zuendholzern : de en
  • US1972194A - Coil support : en
  • US1972477A - Automatic device for tappet valve adjustments : en
  • CA344322A - Cup and bowl cover : en fr
  • GB416002A - Improvements in or relating to sewing machines : en
  • FR769941A - : fr
  • GB415916A - Improved remote controlled device for inserting and extracting primers for large bore guns : en
  • US1972301A - Pneumatic stop detector : en
  • US1972766A - Heating, ventilating, and air conditioning apparatus : en
  • USD93201S - Design for a service bar back : en
  • DE602202C - Trembling sieve : de en
  • DE602054C - Permanent magnet, especially made of steel with high coercive force : de en
  • DE602381C - Device for adjusting the ignition time by means of negative pressure : de en
  • DE602406C - Comb cutting machine : de en
  • FR769863A - Manufacturing process for fabrics exhibiting relief effects or curly effects : en fr
  • FR770058A - Device for preventing the sudden and unexpected penetration of water into premises of various kinds, in particular the interior of boats : en fr
  • GB415845A - Improvements in or relating to the drawing or drafting of cotton for spinning : en
  • FR770099A - Method and device, in particular for starting multistage centrifugal pumps : en fr
  • GB415794A - Improvements relating to dynamo-electric machines : en
  • FR770010A - Improvement of roofs and terraces and elements for their construction : en fr
  • GB416019A - Improvements in or relating to hydraulic power transmission systems : en
  • DK49212C - Device for Promoting Water Circulation in Steam Generators and Boilers. : da en
  • GB416033A - Improved turbine for hot driving media, particularly a gas turbine : en
  • DE602235C - Seal for hose connections : de en
  • FR769962A - Casting process for cast iron cylinders : en fr
  • DE602219C - Elastic railway superstructure : de en
  • CA344306A - Electrical alarm signal system : en fr
  • AU1424633A - mprovements in or relating to machines for the manufacture of amou ded articles from plastic moulding compositions : en
  • DE602389C - Depositing device for die setting and line casting machines with an undercut thread profile of the lower threaded spindle : de en
  • FR769879A - Improvements in the manufacture of artificial materials : en fr
  • FR769958A - : fr
  • US1972842A - Negative pressure accessory system : en
  • US1972167A - Syringe : en
  • DE602395C - Device for repairing defects in the insulation of rubber-insulated wires and cables : de en
  • US1972239A - Conduit wrench : en
  • US1972517A - Frequency control apparatus : en
  • FR770127A - Oscillating system, with modifiable oscillation speed, consisting of an inertia element and an elastic element : en fr
  • GB416411A - Improved method of, and machine for grinding, lapping, polishing or honing safety razor blades or strips for forming such blades : en
  • FR769889A - Striking clock, electrically wound, comprising two or more weight drive mechanisms, wedged on parallel axes : en fr
  • US1972849A - Safety device for electrodes : en
  • US1972504A - Water tube boiler : en
  • DE602210C - High-speed multiple expansion piston engine : de en
  • US1972674A - Lug matrix for type metal : en
  • GB415846A - Improvements in and relating to the hardening of steels : en
  • US1972511A - Piano scale : en
  • US1972216A - Construction of aircraft disk type landing wheels : en
  • CA344444A - Shield for electrical conductors : en fr
  • US1972214A - Currency holder : en
  • CA344346A - Insecticide : en fr
  • DE602295C - Process for increasing the sensitivity of sensitized or unsensitized halogen silver emulsions : de en
  • CA344327A - Roller bearing : en fr
  • US1972147A - Roof hook : en
  • US1972338A - Adjustable chair : en
  • AU1595734A - Improvements in or relating to racks : en
  • AU1618034A - Improvements in electrical switches or circuit breakers : en
  • CA344344A - Retreading vulcanizer : en fr
  • CA344368A - Moulding machine : en fr
  • DE585926C - Treatment of dry powder powder : de en
  • FR769812A - Device provided with a heat accumulator, for baking, roasting etc. : en fr
  • US1972632A - Thrust plate for pumps : en
  • US1972754A - Process for the manufacture of tanning substances : en
  • FR769942A - Veneered cardboard : en fr
  • US1972250A - Slicing machine : en
  • US1972319A - Coil for slow electromagnets and reactors : en
  • US1972363A - Snap-acting switch : en
  • US1972270A - Qtjinazomne compoi : en
  • FR43886E - Four-stroke internal combustion engine with oscillating vanes : en fr
  • US1972298A - Roller bit : en
  • US1972824A - Strand coating device : en
  • US1972635A - Drilling apparatus : en
  • US1972813A - Parachute apparatus : en
  • USD93260S - Design for a shoe : en
  • US1972120A - Automatic gauge for liquid storage tanks : en
  • US1972654A - Impeller : en
  • US1972615A - Strain insulator : en
  • GB416350A - Method of decorating objects and decorated objects obtained by means of these methods : en
  • GB415844A - Improvements in the construction of arches for bridges, culverts and similar purposes : en
  • GB415923A - Improvements in and connected with front wheel axle suspensions for motor road vehicles : en
  • CA344455A - Oil converting apparatus : en fr
  • US1972345A - Cone housing : en
  • FR770105A - System used to move a shutter obstructing the air inlet under the doors : en fr
  • DE602318C - Process for the acidylation of cellulose : de en
  • CA344435A - Telephone system : en fr
  • US1972303A - Motor control for printing telegraphs : en
  • US1972744A - Rotary piston and cylinder construction : en
  • GB415952A - Improvements in springing arrangements for vehicles : en
  • DE602305C - Method and device for the production of moldings from concrete, reinforced concrete o. : de en
  • CA344462A - Telegraph exchange system : en fr
  • GB415855A - Improvements in or relating to swimming baths : en
  • US1972241A - Steel and method of treating the same : en
  • DE602468C - Process and molding box for the production of molds for aluminothermic welds : de en
  • DK49222C - Procedure for the manufacture of a coffee product. : da en
  • FR43809E - : fr
  • FR769829A - Electron tube : en fr
  • FR769841A - Device for automatically numbering documents passed through an accounting machine : en fr
  • CA344340A - Concrete product manufacturing apparatus : en fr
  • FR43841E - New chrome colors : en fr
  • GB416043A - Improvements in and relating to electron emitting cathodes for electron discharge devices : en
  • FR770073A - Matchbox : en fr
  • FR770088A - Cylindrical stereotype plate casting apparatus : en fr
  • GB415955A - Improvements in and relating to rotary printing presses : en
  • FR769853A - Variable incidence airplane wing with slit opening : en fr
  • GB415839A - Improvements in or relating to protective arrangements for electric power feeder systems : en
  • US1972379A - Plate heat exchanger : en
  • DE602203C - Device for retuning string instruments, in particular chord zithers : de en
  • DE602143C - Device for frying and baking food : de en
  • FR769816A - Thermal relay : en fr
  • IE13107L - Frictional epicyclic gear : en
  • US1972748A - Valve for fluid pressure regulators : en
  • USD93204S - Design fob a pull for slide : en
  • DE602273C - Process for tanning pickled hide skin with chromium salts : de en
  • FR769973A - Device for connecting current supply wires or cables to household or other electrical appliances : en fr
  • GB415798A - Improvements in or relating to type line casting and composing machines : en
  • DE1311988U - : de en
  • DE602374C - Cutting device for velvet cutting machines with electrical switching contact for stopping the machine if the cutting knife fails to cut : de en
  • US1972851A - Tape dispenser : en
  • CA344407A - Admission counter : en fr
  • US1972077A - Seal : en
  • US1972540A - Mill pick : en
  • US1972406A - Dispensing display device : en
  • FR770131A - Wagon pusher : en fr
  • DK49217C - Procedure and Apparatus for Purifying Used Oil for Colloidal and Other Suspended Substances, e.g. colloid Carbon. : da en
  • US1972424A - Photographic roll-film cartridge : en
  • US1972683A - Control system : en
  • DE602260C - Manufacture of dies for die setting and line casting machines : de en
  • FR769833A - Felt calender with two or more drying drums, arranged one after the other : en fr
  • US1972287A - Optical slit : en
  • US1972728A - Metallic vessel : en
  • US1972367A - Rolling ladder brake : en
  • US1972642A - Creel : en
  • USD93202S - Design for a service bar back : en
  • USD93236S - Design for an ensemble dress : en
  • IE12863L - Pneumatic tyres : en
  • US1972240A - Process for obtaining dense carbon dioxide snow directly from liquid carbon dioxide : en
  • US1972573A - Lifting jack with traveling pinion mechanism : en
  • US1972650A - Removable valve guide : en
  • DE601884C - Process for the production of electrode feedthroughs in electrical discharge tubes : de en
  • US1972680A - Agricultural apparatus : en
  • US1972360A - Milk cooler : en
  • DE602367C - Piston control device for transmission gears of motor boats : de en
  • FR43884E - Folding billiard table : en fr
  • FR770006A - Case for rouge stick, blush or other makeup item : en fr
  • US1972099A - Apparatus for conditioning fluids : en
  • US1972175A - Hydraulic infinitely variable speed transmission mechanism : en
  • FR43823E - Automatic game machine : en fr
  • GB415901A - Improvements in building and like materials : en
  • FR770050A - Twist drill and method and device for sharpening twist drills : en fr
  • GB415778A - Process of and apparatus for making wads for shot-gun cartridges : en
  • FR770007A - Compensation device for the temperature coefficient of tuning forks maintained by lamps : en fr
  • FR770115A - Installation of a receiving station : en fr
  • GB415925A - Manufacture of ortho-oxyazo-dyestuffs : en
  • FR43843E - Oil burner : en fr
  • DK49227C - Foldable Packing Box. : da en
  • FR43839E - Garbage incinerator furnace : en fr
  • GB415977A - Apparatus for concentrating fruit juices : en
  • FR43834E - Well extraction bucket : en fr
  • FR769898A - Protection device against heating or fire of the windings of electric motors : en fr
  • GB415965A - Improvements in and relating to safety razors : en
  • GB415906A - Improvements in and relating to mechanism for producing pulsating rotary motion : en
  • GB415914A - Improvements in or relating to anti-dazzle devices for use on vehicles : en
  • FR43866E - Process for the preparation of agents for the control of moths : en fr
  • FR769940A - Burner for carbonated heavy oils : en fr
  • FR770095A - Manufacturing process for disazo dyes : en fr
  • GB415840A - Improvements in or relating to devices for measuring liquid : en
  • DE602300C - Device for automatic blocking of the freewheel mechanism of motor vehicles when braking : de en
  • DE593276C - Two-part pressure roller for cine film sets : de en
  • US1972631A - Auxiliary refrigerator closure : en
  • US1972442A - Cut-off mechanism for cigaretterod-forming machines : en
  • US1972539A - Window screen : en
  • US1972718A - Treatment of tobacco : en
  • US1972544A - Method of and machine for generating gears : en
  • US1972684A - Apparatus for extruding metals : en
  • US1972688A - Control system : en
  • DE602310C - Three-phase circuit for fine regulation of manually controlled crane drives by means of an additional switching device provided separately from the actual control drum of the controller : de en
  • DE602358C - Grease gun : de en
  • FR770191A - Advanced gas calorimeter : en fr
  • DE602327C - Device for automatic switching of the ribbon length movement on typewriters, typewriters and the like. like : de en
  • US1972409A - Two-cycle internal combustion engine : en
  • US1972495A - Separating and extracting apparatus : en
  • GB415975A - Improvements in rotary web printing machines : en
  • CA344335A - Fence section connector and stretcher : en fr
  • DK49206C - Device by Machine Saws. : da en
  • GB415833A - Improvements relating to corrugated cylindrical metal bodies such as are used in thermostatic or barometric apparatus : en
  • FR769895A - Device for modifying, while the machine is running, the weight and shape of the balls on a yarn wrapper : en fr
  • FR769921A - Process for the production of intermediates for azo dyes : en fr
  • USD93195S - Design fob an advertising sign : en
  • USD93243S - Design fok a drinking vessel or the : en
  • US1972481A - Cap mounting means : en
  • CA344395A - Rubber processing : en fr
  • FR43850E - Improvements to folding cardboard boxes : en fr
  • GB415978A - Improvements in and relating to card indexes : en
  • USD93197S - Design for a shoe : en
  • FR769848A - Apparatus for transforming liquids into masses of scum or foam : en fr
  • FR769922A - Process for the production of water insoluble azo dyes : en fr
  • US1972522A - Watchcase : en
  • US1972329A - Press : en
  • DE602440C - Rocking washing machine : de en
  • DE602392C - Paper slide lock for typewriters : de en
  • FR769982A - Detachable link ring and bracket : en fr
  • DE602181C - Device for monitoring the condition of a swimmer : de en
  • DE592652C - Bathing carousel : de en
  • US1972554A - Poultry yard : en
  • DE602371C - Method of cooking wort with hops under pressure : de en
  • DE602418C - Cooling device for automatic firearms based on injector and expansion effects : de en
  • DE602473C - Combined roller, ice and snowshoe : de en
  • US1972354A - Mounting for the steering road wheel or wheels of motor vehicles : en
  • US1972836A - Gas burner : en
  • US1972217A - Swinging frame grinding machine : en
  • US1972479A - Ophthalmic mounting : en
  • DE602185C - Rail butt connection with brackets that are only supported on the rail at the rail ends : de en
  • FR43846E - Reversing device for dry gas meters with valves : en fr
  • FR769995A - Automatic adjustment process for engine test installations with brake dynamos and energy recovery converters : en fr
  • US1972227A - Plasterer's joint rule : en
  • US1972084A - Expansion joint : en
  • US1972133A - Method and apparatus for producing roofing elements : en
  • US1972184A - Treatment of coffee-beans by steam : en
  • FR769919A - Resinous condensation products and process for preparing them : en fr
  • FR43896E - Electric arc welding machines : en fr
  • US1972665A - Coupon book : en
  • FR770000A - Device for controlling the operation of machines, such as graters, root cutters : en fr
  • US1972201A - Lock : en
  • US1972812A - Control for systems using liquid under pressure : en
  • US1972667A - Filling material for welding scale resisting steels containing aluminum : en
  • US1972614A - Insulator : en
  • AU1607934A - Improvements in directional lighting fittings : en
  • GB415935A - Improvements in and relating to fire extinguishing apparatus : en
  • CA344352A - Manifolding material : en fr
  • USD93218S - Design foe a shoe : en
  • AU1617134A - Improvements in or relating to machines for inter folding paper sheets, leaflets or the like : en
  • AU1660834A - Device for permanently curling or waving hair : en
  • CA344430A - Steam boiler : en fr
  • US1972454A - Dehydrating oil : en
  • US1972090A - Illuminated signal : en
  • CA344323A - Black liquor recovery system : en fr
  • DE602388C - Procedure for sterilizing export beers (or special beers) : de en
  • US1972121A - Take-off mechanism for tube machines : en
  • US1972223A - Removable heeltap : en
  • US1972419A - Base-exchanging substance : en
  • US1972666A - Method and machine for the treatment of grain : en
  • US1972453A - Sawing machine : en
  • CA344374A - Compressor : en fr
  • CA344396A - Rubber processing : en fr
  • AU1407233A - Improvements in or relating to television and like systems : en
  • AU1403733A - Process of and apparatus forthe manufacture of Portland cement, lime, orthe like : en
  • AU1399233A - Improvements in and connected with water filters andthe like : en
  • AU1525433A - Substituted secondary amines as antioxidants for deteriorable organic compositions : en
  • AU1693134A - Improvements in and relating to arc welding apparatus : en
  • DE557811C - Production of a particularly suitable alumina for aluminum production : de en
  • DE602390C - Device for exchanging the intermediate pieces of molds from die setting and line casting machines : de en
  • DE602426C - Process for clarifying molasses for yeast production : de en
  • CA344332A - Floating vessel : en fr
  • DE602323C - Punching control strips for typesetting machines : de en
  • DE602339C - Process for coloring organic solvents, varnishes, fats, oils, resins, waxes and products made from them : de en
  • FR769944A - Improvement in Maltese cross mechanisms of cinematographic projection devices : en fr
  • GB416046A - Improvements in or relating to collecting and delivery mechanism for printing, folding, and other machines : en
  • US1972800A - Fluid cooling apparatus : en
  • FR770046A - Metal frame bead for doors and windows : en fr
  • US1972267A - Vehicle body drip channel construction : en
  • US1972660A - Twin crank pumping unit : en
  • US1972619A - Greasing pump or grease gun : en
  • US1972697A - Fish lure : en
  • US1972749A - Apparatus for decreasing rail contact resistance : en
  • DK49211C - Water pipe steam boiler. : da en
  • FR769865A - Industrial product consisting of a mooring link, with automatic tightening, usable more particularly in the building industry : en fr
  • GB415804A - Improvements in or relating to thermionic oscillation generators : en
  • FR770047A - Method and devices for adjusting the fuel mixture supplied to internal combustion engines, especially automobiles : en fr
  • CA344334A - Fireproof door : en fr
  • DE602466C - Oil pump : de en
  • DE542350C - Press with paired circumferential, abutting pressing means provided with plate-shaped pressing surfaces : de en
  • US1972717A - Method and apparatus for making footed glassware : en
  • US1972134A - Acyl derivatives of cellulose : en
  • US1972726A - Jewelry setting : en
  • CA344299A - Light reflecting lamp : en fr
  • CA344365A - Hydrocarbon oil refining process : en fr
  • DE602434C - Electric speaking machine drive by means of synchronous motor : de en
  • DK49218C - Device for Closing Paper Containers. : da en
  • DE602196C - Brake shoe for conveyor brakes, rigidly connected to its lever : de en
  • US1972086A - Metallographic polishing machine : en
  • US1972302A - Rotary pump, compressor, or the like : en
  • US1972404A - Device on vehicles for protecting pedestrians : en
  • US1972758A - Dial indicator : en
  • US1972848A - Steam joint : en
  • FR769827A - Distribution for motors and compressors : en fr
  • US1972387A - Wireless system : en
  • US1972706A - Heat exchanger : en
  • FR43815E - Improvements to lubrication devices : en fr
  • FR43853E - Improvements to suspension clamps for electrical conductors with automatic release : en fr
  • GB415792A - Improvements in or relating to the production of liquid hydrocarbons suitable for use as motor spirit : en
  • DE602309C - Gas shut-off device for gas-heated liquid heaters : de en
  • CA344371A - Slitting device : en fr
  • FR769808A - Manufacturing process of solid chlorinated rubber products : en fr
  • US1972778A - Clothes wringer and the like : en
  • US1972724A - Automatically illuminating float : en
  • GB415756A - Improved method of producing coloured photographic materials : en
  • GB415779A - Improvements in or relating to explosive priming compositions : en
  • US1972541A - Electric lamp and socket : en
  • US1972542A - Bottle closure : en
  • US1972745A - Suction cleaning apparatus : en
  • US1972224A - Motor delivery vehicle : en
  • GB415899A - A new or improved method of, and apparatus for, forming crystals : en
  • DE602340C - Jacquard device for flat weft knitting machines : de en
  • FR770015A - Improvements to color cinematography : en fr
  • FR770028A - : fr
  • FR770029A - Improvements to push mechanical pencils : en fr
  • GB415869A - Improvements in and connected with fastenings for articles such as necklets, bracelets, bangles and bands : en
  • GB415997A - Improvements in automatic couplings : en
  • CA344326A - Roller bearing : en fr
  • DE602177C - Method for drawing profile wire : de en
  • US1972403A - Cushioning device : en
  • USD93219S - Design for a shoe : en
  • US1972483A - Folding container : en
  • US1972176A - Change speed transmission : en
  • USD93242S - Design fob a piping : en
  • FR769937A - Floating blade wire cutter for wire wrappers : en fr
  • GB415836A - An improved apparatus for tennis and cricket practice : en
  • FR769868A - Metalworking process that is difficult to work with : en fr
  • FR769989A - Gas protection method and device : en fr
  • CA344408A - Thermal treatment of organic substances : en fr
  • FR770022A - Automatic device ensuring the emptying of a manhole receiving black water : en fr
  • US1972266A - Motor control : en
  • US1972500A - Insulating material : en
  • US1972655A - Three-legged divider : en
  • US1972700A - Carburetor : en
  • GB416035A - Improvements in machines for the manufacture of roofing tiles, bricks, paving slabs,paving tiles and the like : en
  • US1972630A - Pipe testing apparatus : en
  • US1972094A - Dyes of the anthraquinonyl-amino anthraquinone-acridone series and their production : en
  • GB415857A - Improvements in regulator valves for steam driven locomotives : en
  • US1972116A - Ash smelter : en
  • DE602262C - Embossing machine for address printing plates : de en
  • DE602432C - Connector for connecting electrically heated instantaneous water heaters to the water pipe : de en
  • CA344381A - Rubber reclaiming process : en fr
  • FR769939A - New assembly and manufacturing process for shoes such as espadrilles, slippers, charentais, sandals and sandals : en fr
  • GB415781A - Improvements in or relating to horizontal boiler furnaces : en
  • GB416417A - Improvements in or relating to pressure indicating devices : en
  • GB416004A - Improvements in and relating to grease guns and like lubricating devices : en
  • FR43865E - Improvements to designs on glass and the like : en fr
  • GB415862A - Improvements in or relating to casement fastenings : en
  • US1972814A - Internal combustion engine : en
  • DE602285C - Pocket lighter : de en
  • GB416379A - Improvements in the manufacture and production of substances suitable as wetting, cleansing, dispersing, softening and like agents : en
  • FR769954A - Improvements to a process and to a device for manufacturing plates and plates made by this process and with this device : en fr
  • FR770111A - Turbine for gas expansion for the production of low temperatures : en fr
  • US1972256A - Roller bit : en
  • US1972647A - Electric glow discharge tube : en
  • GB415930A - An improved process for making leads for writing, drawing, colour work, and the like : en
  • GB415985A - Improvements in the manufacture of cement : en
  • GB415920A - Improvements in anti-friction bearings : en
  • FR769914A - Sheath forming upper quarter and heel cover for shoes : en fr
  • US1972131A - Braiding machine : en
  • US1972675A - Thermostatic switch : en
  • FR43877E - Modulation system : en fr
  • FR770104A - Improvements Relating to Free-Rotating Wing Aircraft : en fr
  • FR770132A - Improvements to electrical appliances for air heating : en fr
  • IE13291L - Electric discharge lamps : en
  • FR770031A - Multi-way tap with cylindrical distributor with axial displacement, particularly designed for machines for preparing espresso : en fr
  • FR770048A - Riveter-diverter : en fr
  • GB415796A - Improvements in or relating to thermionic valve amplifiers and circuits therefor : en
  • GB415821A - Improvements in or relating to lines for hanging clothes : en
  • DE602427C - Cable sheath produced by pipe pressing : de en
  • US1972249A - Shoe : en
  • FR770069A - Packaging for toilet and other sponges and other similar porous bodies : en fr
  • US1972368A - Odor absorber : en
  • US1972752A - Internal combustion engine and structure therefor : en
  • US1972510A - Variable tuning condenser : en
  • DK49216C - Coupling device for Telephone systems with Common lines. : da en
  • DE602244C - Process for enamelling cast iron : de en
  • DE602270C - Changeable equalizing capacitor : de en
  • FR769888A - Recuperator or heater : en fr
  • US1972366A - Water sealed drinking fountain : en
  • GB416053A - Improvements in the manufacture and production of disazo dyestuffs : en
  • GB416404A - Improvements in the recovery of carbon disulphide and methyl alcohol from aqueous solutions obtained in the purification of benzole with methyl alcohol and caustic alkali : en
  • FR43828E - Improvements in control systems for circuits and electrical machines : en fr
  • CA344434A - Telephone system : en fr
  • CA344405A - Engine starter : en fr
  • US1972248A - Method of treating ferrous alloys : en
  • FR769887A - Spice dispenser : en fr
  • FR770053A - Universal selector sorter for wheat and seeds in general : en fr
  • CA344390A - Rubber processing : en fr
  • FR769948A - Installation for the remote control of one or more pre-selected variable speed mechanisms : en fr
  • GB415988A - Improvements in sewing machines : en
  • US1972433A - Separator for accumulators : en
  • DE568785C - Process for obtaining volatile carboxylic acids from gases or vapors : de en
  • DE602080C - Control circuit for electrically powered vehicles in single or group trips : de en
  • US1972330A - Air controlled brake : en
  • US1972352A - Mining machine truck : en
  • US1972612A - Nail machine and the like and control apparatus associated therewith : en
  • US1972171A - Relief valve : en
  • US1972308A - Foot exerciser : en
  • FR769991A - Cable arrangement for trolley wall crane : en fr
  • US1972742A - Drill set display : en
  • US1972793A - Collapsible tube : en
  • AU1412233A - Improvements in electric cables : en
  • DE602193C - Sales container for milk : de en
  • US1972447A - Finely divided powders and method of making same : en
  • US1972356A - Method of generating highpressure steam : en
  • AU1363433A - An improved reversible disc plough : en
  • US1972180A - Insect electrocutor : en
  • DE602299C - Car bodies, especially for motor vehicles : de en
  • DE602303C - Nail compartment and filling device, especially for heel nailing machines : de en
  • US1972496A - Irrigating and draining device : en
  • US1972777A - Gravity feed drinking fountain : en
  • US1972304A - Pump : en
  • US1972560A - Machine tool feeding means : en
  • US1972639A - Article of manufacture for reenforcing : en
  • USD93207S - Design for a combined vending : en
  • US1972583A - Tongs : en
  • US1972712A - Bed : en
  • US1972306A - Connecter for electric circuits : en
  • US1972323A - Photographically printed fibrous product and method of producing the same : en
  • US1972370A - High frequency transmitter : en
  • US1972472A - Lip stick holder : en
  • US1972141A - Potentiometric indicator : en
  • US1972461A - Clock : en
  • US1972282A - Hanging bar or rack : en
  • US1972671A - Hillside cultivator : en
  • GB415938A - Improved wearing and cleaning plates for the cutter bars of mowing and like machines : en
  • AU1411333A - Process forthe manufacture of strong elastic linear elements : en
  • CA344342A - Foldable bed : en fr
  • DE602130C - Windscreen wiper moved by a power drive with wiper arms arranged on both sides of the window pane, in particular for rail vehicles : de en
  • US1972186A - Hair waving apparatus : en
  • US1972458A - Dry powdered soap composition : en
  • US1972489A - Can-arranging machine : en
  • US1972605A - Preparation of di-oiphenyl oxides : en
  • US1972847A - Stable heating medium : en
  • US1972082A - Surface hardened cast iron article of manufacture : en
  • US1972733A - Fluid pressure brake : en
  • FR769923A - Method and apparatus for supplying ice-making and glass-making basin ovens : en fr
  • CA344375A - Air circulating unit : en fr
  • US1972125A - Lamp failure indicator : en
  • US1972770A - Wheel : en
  • US1972355A - Roller bearing : en
  • US1972346A - Load binder : en
  • US1972804A - Production of mixed oil gas and water gas : en
  • USD93227S - Design for a wheel : en
  • US1972160A - Grinding machine : en
  • US1972524A - Alloy steel spring : en
  • DE602218C - Process for the preparation of pyridylhydantoins : de en
  • AU1323333A - Improvements in or relating to cathode ray tubes : en
  • CA344421A - Weftless fabric : en fr
  • FR769814A - Improvements to brake mechanisms, improvements also applicable to couplings : en fr
  • GB415873A - Improvements in or relating to lampshades : en
  • FR770141A - Device for automatically adjusting the pressure of a fluid by adjusting the flow rate : en fr
  • GB415806A - Improvements in and relating to explosives and method of producing same : en
  • GB415999A - Improvements in and relating to speed regulating devices for electric motors : en
  • FR769830A - Device for twisting wet yarns : en fr
  • DE602222C - Lead-sheathed cable with drain wire resting on the cable core : de en
  • DK49204C - Device for Vending Machines for Measuring Electric Current at Coin Input. : da en
  • US1972242A - Method of operating aerial vehicles : en
  • US1972291A - Mercury switch : en
  • FR770068A - Receiving device for the remote indication of quantities to be measured : en fr
  • FR770093A - Apparatus for converting continuous filaments into yarns : en fr
  • GB415936A - Improvements in or relating to rubber-faced surfacing blocks for roads, pavements, floors, and the like : en
  • US1972786A - Bottle crate : en
  • FR43824E - Improvements in apparatus for the remote control of points and railway signals or similar devices : en fr
  • FR770148A - Instrument for tillage : en fr
  • DE595283C - Ball game : de en
  • GB415761A - Improvements in and relating to magneto-electric machines : en
  • GB415953A - Improved methods of making plastic elastic materials : en
  • US1972253A - Process and apparatus for preparing and packing food products : en
  • GB415888A - Apparatus for moulding sheets or strips to form packing : en
  • DE602365C - Procedure for the right-sided copying of film stereo negatives : de en
  • AU1512633A - Improved watercooler : en
  • DE602168C - Buffer for the drivers on power looms : de en
  • FR769955A - Diagram for a remote control device, for the remote transmission of measurements, maneuver commands and similar signals : en fr
  • FR769959A - Device for scaring and thus warding off mosquitoes or other similar applications : en fr
  • GB416009A - Improvements in or relating to back-rests : en
  • DE602140C - Vacuum cleaner mouthpiece with tapping device : de en
  • DK49203C - Gas stove. : da en
  • FR43802E - Device to border photographic or other clichés : en fr
  • GB415850A - Improvements in ladder apparatus for affording access to lofts and the like : en
  • US1972668A - Combined walking stick and seat : en
  • US1972446A - Regulating device for an automatic automobile clutch : en
  • US1972802A - Support for embroidery rings and the like : en
  • GB415782A - Improvements in chairs : en
  • GB416056A - Improvements in or relating to the production of solid chlorinated rubber products : en
  • GB416027A - Control gear for electrically driven vehicles : en
  • FR769810A - Process for the preparation of diazonium compounds of 4-aminodiarylamines : en fr
  • FR770107A - Automatic ticket dispenser : en fr
  • GB416003A - Improvements in refrigerating systems : en
  • FR769902A - Hygiene device for nails : en fr
  • FR770133A - Mobile grill hearth : en fr
  • DE602255C - Die setting and line casting machine with several wedge-shaped spaces : de en
  • GB415970A - Improvements in and relating to the production of knitted fabrics : en
  • GB415986A - Improvements in and relating to turbo-generators : en
  • FR769861A - Improvements made to couplings for cables, ropes etc., metallic : en fr
  • DE602179C - Superheater for ship smoke tube boilers : de en
  • DE602314C - Collection room in a cold store for dry coal and similar goods : de en
  • FR770117A - Method of reducing disturbances which occur in remote signaling cables, in particular in cables for the transmission of high frequency currents : en fr
  • GB415929A - Improvements in filtering devices particularly for coffee, tea or other beverages : en
  • FR770051A - Method and device for filling containers fitted with systems to prevent filling them after emptying them : en fr
  • DE602186C - Automatic lateral adjustment of the roller head of track turning machines that move to both sides : de en
  • DE602216C - Process for the preparation of readily water-soluble derivatives of the diphenol condensation products of the diketodihydrobenzopyrrole or diketodihydrobenzofuran series : de en
  • DE602200C - Device for testing and measuring the ignition current flow : de en
  • USD93259S - Design for a radio fireplace : en
  • FR770017A - Device for controlling an electric discharge device using a direct voltage source and a capacitor : en fr
  • US1972213A - Paper hanger's board : en
  • US1972592A - Structural element : en
  • US1972332A - Interference prevention device : en
  • FR770057A - Improvements to mounting devices for cut-off wheels : en fr
  • FR769964A - : fr
  • GB416041A - Improvements relating to the steering wheels of motor vehicles and in the manufacture thereof : en
  • FR769843A - Double reverse development opening and closing system : en fr
  • GB415793A - Improvements in or relating to the production of motor spirit : en
  • FR769871A - Improvements to the device for mooring overhead power lines on rigid insulators : en fr
  • FR769963A - Process and device for the separation of solid particles held in suspension in gaseous fluids : en fr
  • CA344336A - Drilling machine supporting device : en fr
  • FR43842E - Coating for urban pavements and roads : en fr
  • FR770098A - Automotive suspension improvements : en fr
  • FR770059A - Electric heating method and apparatus : en fr
  • FR769859A - Device for circulating the vapor of the refrigerant fluid or the mixture of gas and vapor of the refrigerant fluid in cold absorption machines : en fr
  • US1972255A - Treating and decanting kettle : en
  • US1972716A - Cultivator : en
  • DE602183C - Rail fastening on wooden sleepers using sleeper screws : de en
  • DE602206C - Door buffers, especially for motor vehicles : de en
  • US1972746A - Fluid distributing means for wire drawing machines : en
  • US1972621A - Apparatus for hair waving : en
  • DE602220C - bogie : de en
  • FR769974A - Tank dyes, their preparation process and their applications : en fr
  • US1972170A - Valve : en
  • DE602294C - Process for protecting against corrosion in metal films : de en
  • GB415799A - Means for altering the timing of electrical impulses more particularly for the grid control of vapour arc rectifiers : en
  • GB415880A - Improvements relating to the fuel supply and combustion spaces of compression ignition oil engines : en
  • DE602291C - Display device for billboards or the like. : de en
  • US1972530A - Method of welding : en
  • FR769960A - Heating system for motor vehicles : en fr
  • GB416050A - Improvements in or relating to devices for indicating effective operation of bell and like pushes : en
  • FR43899E - Combustion turbine with fractional pressure drops on the same rotor : en fr
  • FR769976A - Device for transmitting orders or indications : en fr
  • FR770045A - Machine for stapling thick fabrics such as coal sacks and baskets or the like including tarpaulins and product obtained : en fr
  • GB415824A - Improvements in thermostatic electric switches : en
  • DK49208C - Device at Kværne. : da en
  • US1972172A - Snap-acting device : en
  • US1972740A - Saw frame : en
  • FR769881A - Improvements to electric amplifiers for sound reproduction : en fr
  • US1972405A - Necktie and method of making the same : en
  • USD93228S - Design fob a clock case : en
  • FR770145A - Explosion-proof armature for lighting lamps in mines : en fr
  • GB415892A - A means for the attachment of articles on rods or tubes or the like : en
  • FR770094A - Process for manufacturing and applying dyes in vats : en fr
  • US1972140A - Roller bearing : en
  • US1972609A - Warp knitting machine : en
  • DE602267C - Procedure for installing spool sleeves in submarine cables : de en
  • FR769987A - Photo-electric organ : en fr
  • GB415872A - Hopper wagons : en
  • GB415961A - Improvements in or relating to load lifting cradles : en
  • GB415825A - Improvements in opening tops for road vehicles : en
  • GB415911A - Improved construction of crown-cork : en
  • FR769873A - Device for the production of heat for heating or cooking purposes by combustion of oil vapor : en fr
  • GB415926A - Improvements in protective systems for electric power lines : en
  • FR770004A - Method of fixing textile fibers on a fabric, paper or knitting, according to determined drawings, machine carrying out said method and resulting products : en fr
  • FR770122A - Footwear establishment process and resulting new products : en fr
  • GB416348A - Improvements in apparatus for heating air : en
  • FR769807A - Apparatus for drying and heating dough-like materials : en fr
  • CA344413A - Water heating apparatus : en fr
  • CA344319A - Wall case : en fr
  • CA344364A - Gas turbine system : en fr
  • US1972137A - Treatment of textile materials : en
  • US1972714A - Striping tool : en
  • CA344312A - Multiple fuse : en fr
  • US1972520A - Circlet tying machine : en
  • US1972663A - Railway switch operating apparatus : en
  • US1972798A - Tanning animal hides : en
  • US1972441A - Internal combustion engine electric generating set : en
  • US1972736A - Viscosity indicating device : en
  • US1972151A - Controlled flow plug valve : en
  • US1972178A - High potential lead-in : en
  • DE602223C - Device for automatic charging of electrical collector batteries : de en
  • FR769934A - Games tables : en fr
  • CA344370A - Pressure supplying system : en fr
  • US1972397A - Spring cushion construction : en
  • GB416038A - Method and device to obtain a continuous mixture of liquid and gas : en
  • US1972295A - Billfold : en
  • DE602413C - Device for the transmission of movements through airtight vessel walls : de en
  • DE602385C - Device for producing a cigarette rod with an oval cross-section : de en
  • USD93211S - Design for a display sign or similar : en
  • GB415776A - Improvements in the suction nozzles of vacuum cleaning apparatus : en
  • GB415814A - Improvements in or relating to skip hoists : en
  • US1972815A - Automatic control device : en
  • US1972816A - Bagless tire curing mold : en
  • DE602258C - Frame for storing magazines outside of the setting machine : de en
  • US1972359A - Feed mechanism for tool-carrying spindles : en
  • US1972764A - Process for the production of stable water-containing emulsions of vegetable lecithin : en
  • US1972260A - Flexible file holder : en
  • US1972518A - Walking stick fishing rod : en
  • FR769933A - Device applied to any clockwork movement for striking and lighting lamps : en fr
  • GB415791A - Improvements in and relating to conveyors : en
  • DE602274C - Process for coloring glass bodies : de en
  • US1972735A - Ice chipper plate : en
  • US1972686A - Carburetor : en
  • US1972536A - Film splicer : en
  • FR770070A - Camera and ancillary device for taking pictures in color : en fr
  • DE601932C - Device for regulating any physical quantity : de en
  • US1972386A - Shoe sole grooving machine : en
  • US1972392A - Paper making machine : en
  • US1972782A - Liquid cooling device : en
  • US1972072A - Accessory table : en
  • US1972659A - Automatic brake applying device : en
  • US1972083A - Method of producing piston rings : en
  • GB415933A - Improvements in wringer stands : en
  • DE602368C - Tobacco spreader for cigarette machines : de en
  • FR769869A - Intermittent signaling device : en fr
  • FR769996A - Metallic playing ball : en fr
  • DE602231C - Display device for teaching purposes : de en
  • DE602131C - Device for the detection of cracks in metal conductors : de en
  • US1972108A - Corner lock for bedsteads : en
  • US1972586A - Slicing machine : en
  • DE588924C - Friction shock absorbers, especially for motor vehicles : de en
  • DE602245C - Automatic, hydraulic feed device for machine tools : de en
  • DK49221C - Procedure for the production of sodium nitrate. : da en
  • US1972327A - Power hacksaw : en
  • US1972421A - Rotary duplicator : en
  • FR770100A - Gear transmission for rotary machines driven by piston machines : en fr
  • US1972418A - Trolley wire hanger : en
  • DE1311082U - : de en
  • US1972251A - Brake drum : en
  • US1972791A - Removable choke : en
  • US1972823A - Gear cutting machine : en
  • USD93245S - Design fob a dress : en
  • CA344452A - Typewriter : en fr
  • FR769885A - Improvements to vacuum cleaning devices : en fr
  • FR769866A - Device automatically activating the railway braking and alarm system : en fr
  • FR770052A - Automatic closing device, opening remotely, for shop window doors or all similar applications : en fr
  • FR770121A - Incandescent lamp cinematographic installations : en fr
  • GB415768A - An improved selector mechanism for telegraph and like selective apparatus : en
  • GB415823A - A hydraulic turbine : en
  • US1972162A - Heater element electron emitting cathode : en
  • US1972243A - Method of and apparatus for testing instrument transformers : en
  • US1972562A - Thermostatically controlled mixing valve : en
  • US1972498A - Road shouldering machine : en
  • US1972198A - Seal : en
  • US1972259A - Method of preparation of mixed gases and of combustion thereof : en
  • US1972616A - Electrostatic shield : en
  • US1972705A - Refrigerating method and apparatus : en
  • US1972558A - Assorting device : en
  • CA344429A - Universal joint : en fr
  • US1972837A - Metal pump for typographical machines : en
  • US1972238A - Dental universal molding frame : en
  • US1972284A - Carbon contact : en
  • US1972811A - Heat pump temperature regulating unit : en
  • CA344398A - Crystallization process : en fr
  • FR769970A - Tilting platform device : en fr
  • US1972106A - Type holding chase : en
  • US1972407A - Harvester : en
  • USD93223S - Design for a wheel : en
  • USD93229S - Design fob a blouse : en
  • US1972809A - Packing structure : en
  • US1972152A - Measuring dispensing cap : en
  • US1972490A - Book binding and method of making the same : en
  • US1972515A - Bolt and rod nippers : en
  • US1972432A - Production of pure aluminiumsilicon alloys : en
  • CA344357A - Dropping stopper : en fr
  • US1972225A - Apparatus for finishing heads and points of bolts : en
  • DE602412C - Self-acting valve device for the carburetor air in internal combustion engines : de en
  • US1972145A - Woodworking machine : en
  • US1972365A - Coin holder : en
  • DE600223C - Drying device for photographs u. like : de en
  • AU1283133A - Improvements in containers : en
  • DE602053C - Switch drive with activation by a remote-controlled pressure medium with valves and with independent triggering : de en
  • GB416036A - Pressure operated electric switch : en
  • US1972682A - Automatic door opening mechanism : en
  • US1972274A - Flexible ventilator : en
  • AU1404933A - Improvements in or relating to radio receivers : en
  • US1972690A - Method of packing cotton batting in containers : en
  • USD93251S - Design for a range : en
  • FR43829E - Air-wrapped telephone or telegraph cable : en fr
  • GB415902A - Improvements in and relating to heating elements for electric heating and cooking appliances : en
  • GB415939A - Improvements relating to wheels for tractors : en
  • US1972132A - Lubricating device : en
  • US1972336A - Stabilizer for aeroplanes : en
  • US1972488A - Can arranging machine : en
  • US1972832A - Thermostatic control : en
  • USD93220S - Design for a shoe : en
  • US1972596A - Denture : en
  • US1972185A - Coin control device for hand operating mechanisms : en
  • US1972801A - Tobacco can : en
  • DK49219C - Exchange mechanism for Bicycles and the like. : da en
  • GB415787A - Improvements relating to remote control systems : en
  • IE13287L - Vertically-rising aircraft : en
  • GB415864A - Improvements in or relating to absorption refrigerating apparatus : en
  • FR43872E - Non-slip horseshoe : en fr
  • GB415837A - Improvements relating to hand-propelled trucks : en
  • GB415797A - Improved means of making blanks for sound recording and apparatus therefor : en
  • US1972183A - Electric gaseous discharge tube : en
  • US1972771A - Apparatus for liquefying solid carbon dioxide : en
  • US1972533A - Leather brace : en
  • CA344436A - Fluid meter : en fr
  • DE584203C - Adjusting device, especially for prism telescopic sights : de en
  • CA344450A - Car truck bolster : en fr
  • US1972584A - Settling apparatus : en
  • CA344301A - Cigarette and cigar extinguisher : en fr
  • USD93255S - Design for a bathtub : en
  • DE602115C - Cooling arrangement for air-cooled rectifiers : de en
  • US1972669A - Automatic altitude propeller : en
  • US1972787A - Machine and process for annealing tubes : en
  • GB415943A - Improvements in garters : en
  • US1972696A - Control system : en
  • US1972245A - Switch box : en
  • US1972702A - Combined wheel lifter and skid control : en
  • US1972803A - Game device : en
  • CA344373A - Chromium plating method : en fr
  • FR770102A - Paddlewheel thruster, with oscillating vanes : en fr
  • FR770150A - Artificial pneumothorax syringe : en fr
  • US1972480A - Money receptacle : en
  • US1972344A - Tube closure : en
  • US1972115A - Internal combustion engine : en
  • US1972376A - Toy truck : en
  • US1972391A - Surgical instrument : en
  • US1972730A - Method and apparatus for evaporating and cooling liquids : en
  • USD93221S - Design for a range : en
  • GB415863A - An improved electrical water heating apparatus : en
  • US1972438A - Automobile dashboard : en
  • AU1411833A - Improvements in or relating to mould-controlling mechanism for producing low quads or spaces in typecasting machines : en
  • US1972093A - Highly halogenated anthraquinone : en
  • US1972230A - Finned tube : en
  • US1972390A - Production of expanded vermiculite : en
  • US1972478A - Dual salute : en
  • FR43848E - Wagon, platform or trailer that can travel on railways and road networks : en fr
  • US1972549A - Gas furnace : en
  • US1972581A - Bearing : en
  • US1972297A - Method of producing antiskid chain : en
  • USD93198S - Design for a doorlatch : en
  • CA344419A - Sealing means : en fr
  • US1972358A - Bottle cap : en
  • CA344418A - Sealing means : en fr
  • US1972519A - Tray : en
  • US1972825A - Resilient rail support : en
  • US1972193A - Heater for use in the permanent waving of the hair : en
  • US1972577A - Bag : en
  • US1972079A - Water cooling apparatus : en
  • US1972095A - Dyestuff of the anthraquinoneacridone series : en
  • US1972750A - Air compressor : en
  • US1972124A - Indicating limit plug gauge : en
  • US1972457A - Device for spreading latex and the like : en
  • US1972563A - Acoustic construction : en
  • US1972796A - Brush adjusting mechanism for vacuum cleaners : en
  • US1972485A - Propeller hub : en
  • DK49200C - Centrifugal foam damper for Milk. : da en
  • USD93210S - Design for a serving tray or : en
  • DE602265C - Receiver for modulated vibrations : de en
  • US1972347A - Animal trap : en
  • US1972348A - Six-wheel attachment : en
  • GB416022A - Improvements relating to the steering wheels of motor vehicles and in the manufacture thereof : en
  • US1972417A - Locking mechanism for binders : en
  • USD93239S - palmer : en
  • CA344349A - Foodstuff curing apparatus : en fr
  • GB416016A - Dyeing chrome leathers with basic dyestuffs : en
  • DE602052C - Rotary switch with impact cube jumping mechanism : de en
  • DE602229C - Automatic scales with a device for checking the full weight as well as the empty weight of the load tray for every weighing process : de en
  • US1972375A - Calf feeding pail : en
  • US1972166A - Molding cellulose derivative plastics : en
  • US1972645A - Gold pan : en
  • US1972150A - Spindle : en
  • US1972292A - Buckle : en
  • US1972388A - Radio-telephony navigating apparatus : en
  • US1972226A - Tucking mechanism : en
  • GB416012A - Improvements relating to the connection of flexible cables to electric couplings, lamp holders, switches and the like : en
  • US1972401A - Stamped collar : en
  • GB415815A - An improved coupling for hose pipe and the like : en
  • USD93216S - Design for a plate or similar article : en
  • CA344330A - Bread cutting board : en fr
  • US1972462A - Hydraulic circuit back pressure control : en
  • US1972144A - Milking machine pail adapted to receive and discharage milk : en
  • US1972570A - Metal building panel : en
  • DK49225C - Coherent Band of Packs with Tear-off Matches. : da en
  • DK49229C - Press device for Claddings and the like. : da en
  • US1972463A - Welding : en
  • CA344324A - Door trim : en fr
  • CA344470A - Container cap : en fr
  • US1972805A - Internal combustion engine : en
  • US1972465A - Production of nitriles : en
  • US1972629A - Method and apparatus for electric welding : en
  • US1972737A - Check valve device : en
  • US1972335A - Rotary engine : en
  • US1972247A - Concentration of oxidized minerals : en
  • US1972265A - Turfing machine for making pile fabrics : en
  • US1972080A - Truss : en
  • US1972328A - Power hacksaw : en
  • GB415885A - Improved apparatus for rapidly setting or drying printing ink and the like : en
  • GB415942A - Process for the production of articles and coatings, with a roughened surface, and consisting of rubber and like substances : en
  • US1972231A - Room cooler : en
  • US1972254A - Slicing machine : en
  • CA344394A - Rubber processing : en fr
  • US1972288A - Brake : en
  • AU1635534A - Means forthe division ofa beam of light into two equal and parallel components : en
  • USD93248S - Design for a dress : en
  • US1972294A - Pipe fitting : en
  • FR770089A - Photographic lens with iris diaphragm : en fr
  • FR770043A - Process for the preparation of bread : en fr
  • FR770054A - Compensation method for asymmetries in telecommunication cables : en fr
  • FR769977A - Improvement in the preparation of products intended for the sizing of textile yarns, based on stable aqueous emulsions of drying oils : en fr
  • GB415944A - An improved rotary pump, blower or exhauster : en
  • GB415990A - Improvements relating to mixing valves for hot and cold water supplies : en
  • CA344391A - Rubber processing : en fr
  • DE602259C - Tool for cutting the V-shaped toothing of setting and casting machine matrices : de en
  • FR769909A - Improvements to helicopters and gyroplanes : en fr
  • CA344427A - Tire cover : en fr
  • GB416011A - Means for taking-up or absorbing the slack of flexible cords, cables and the like : en
  • CA344313A - Mowing machine : en fr
  • AU1458333A - Improvements in and relating to paints and varnishes : en
  • USD93253S - Design foe macaroni or similar : en
  • US1972168A - Temperature indicator and control : en
  • GB415861A - Improvements relating to bayonet joint locking devices for electric lamp holders : en
  • GB416030A - Improved process of and means for feeding gas turbines : en
  • US1972502A - Method of finishing wood : en
  • USD93261S - Design fob a mirror : en
  • DE602282C - Sorting scales : de en
  • DE602161C - Adjustable drawing and scribing angle : de en
  • DE602205C - Valve for respiratory equipment, especially oxygen supply valve : de en
  • DE602081C - Quick switch : de en
  • CA344311A - Display cabinet : en fr
  • US1972551A - Refrigerating apparatus : en
  • US1972487A - Integral hub for reversible pitch propellers : en
  • US1972568A - Method of producing phenylstearic acid : en
  • US1972673A - Mattress : en
  • FR769908A - Floor covering material and its manufacturing process : en fr
  • FR769949A - : fr
  • AU1575033A - Improvements in and relating to prepayment mechanism for gas meters and the like : en
  • CA344350A - Air conditioning apparatus : en fr
  • FR43879E - road tar and emulsion spreader : en fr
  • GB415947A - Improvements in and relating to motor car bodies : en
  • DE602198C - Process for leaching ores containing precious metals : de en
  • FR769988A - Improvements made to devices for measuring phase differences, in particular with a view to balancing rotating parts : en fr
  • FR43856E - : fr
  • FR770072A - Method and device for the manufacture of pneumatic tires of all kinds, in particular for automobiles : en fr
  • FR770097A - Process and installation for the manufacture of a fiber glass product : en fr
  • FR770138A - Improvement to press studs : en fr
  • US1972204A - Pump : en
  • US1972331A - Regulating means for the water level of flush boxes : en
  • US1972727A - Cultivating tool : en
  • GB415783A - Improvements in or relating to electrical remote control systems : en
  • GB415973A - Improvements in measuring-devices for measuring the movements of machine parts : en
  • DE602342C - Tow winch drive : de en
  • FR770065A - Process and apparatus for the partial oxidation of natural gases, applicable in particular to the manufacture of formaldehyde and methanol : en fr
  • GB415897A - Improvements in or relating to gas fires : en
  • CA344320A - Skate grinding machine : en fr
  • FR769884A - Steering gyroscopes improvements : en fr
  • FR769999A - : fr
  • GB415910A - Improvements in vehicle lamps : en
  • GB415982A - Improvements in or relating to draw-out types of electric switchgear : en
  • FR769990A - Universal connection for spark plugs of aviation engines and similar : en fr
  • FR770027A - Nozzle device for extinguishing fires on board ships : en fr
  • GB416044A - Improvements in and relating to book glueing machines : en
  • US1972835A - Coating ferrous articles with zinc : en
  • GB415788A - Improvements in the regulation of gas turbines and the like : en
  • FR43868E - Improvements relating to hydration of olefins : en fr
  • GB416018A - Electrolytic condensers with fuses : en
  • US1972246A - Rear-vision-mirror bracket : en
  • US1972337A - Aircraft propeller : en
  • FR769965A - Three-electrode battery : en fr
  • FR770012A - Process for protecting all products of plant and animal nature against storage diseases : en fr
  • FR770024A - drainer for clearing reinforced cement tanks : en fr
  • US1972285A - Process and apparatus for bending axles : en
  • US1972494A - Color printing press : en
  • FR43820E - Pupin cable for simultaneous low frequency and carrier frequency telephony : en fr
  • GB416037A - Improvements in and relating to the reversing and controlling of electric motors for toy locomotives, tramcars and the like : en
  • US1972467A - Internal combustion engine : en
  • FR769961A - Agglomerate press : en fr
  • US1972608A - Method and means for treating fibrous material with electric current : en
  • GB416042A - Improvements in or relating to electrically-propelled vehicles with storage batteries : en
  • DK49207C - Device at Kværne. : da en
  • FR43826E - Creation of a new firm cheese, matured and non-pressed, and process used : en fr
  • FR770147A - Device for the direct transformation of a reciprocating movement into a rotary movement : en fr
  • FR43862E - Fire lighter : en fr
  • FR769806A - Process for recovering sulfur from gas mixtures containing sulfur dioxide : en fr
  • FR769851A - Cigarette with a paper tube fitted with a lining to prevent combustion from progressing : en fr
  • FR770062A - Autoclave for making vegetable pulp and recovering sodium hydroxide from residual detergents during cooking : en fr
  • US1972471A - Remote control of radio or wired radio receiver : en
  • GB415848A - Improvements in or relating to capping devices for bottles or the like : en
  • GB416062A - Improvements in electric discharge lamps : en
  • GB415865A - Improved apparatus for use in waving or curling the hair : en
  • GB416017A - Improvements in and relating to machines for distributing chips, grit and like material over road and like surfaces : en
  • FR770116A - Mobile device to completely purify the air of smoke and germs : en fr
  • US1972460A - Delivery mechanism for use in printing machines : en
  • US1972469A - Atomizer construction : en
  • US1972578A - Measuring instrument : en
  • GB415882A - Means for detachably securing treads to the heels of boots or shoes : en
  • FR769855A - Pipe connector : en fr
  • FR770085A - Mechanical servo-control device by selector : en fr
  • GB415993A - Improvements in or relating to volumetric meters for liquids : en
  • US1972174A - Multiple stereotype casting machine : en
  • US1972430A - Nonrefillable container such as cans : en
  • DE602465C - Weighing device for rod-shaped workpieces, especially for pipes : de en
  • US1972535A - Polyphase relaxation circuit oscillator : en
  • US1972552A - Vacuum operated jack : en
  • DE602435C - Process for the production of white enamels and glazes : de en
  • US1972439A - Building structure and method of making same : en
  • US1972644A - Hair dressing pin : en
  • FR43816E - Improvements to lubrication devices : en fr
  • GB415858A - Improvements in and relating to boxes or containers for chocolates and like confectionery : en
  • FR43810E - Extendable table : en fr
  • DE602455C - Method for wireless transmission with short waves : de en
  • FR770164A - : fr
  • US1972097A - Art of testing coins or other tokens for genuineness : en
  • GB415884A - An improved apparatus for bending and shaping metal bars of angle or like profile : en
  • DE583108C - Process for the preparation of dichlorocarvacrol : de en
  • FR769916A - helical tube bundle heat exchanger : en fr
  • GB416034A - Improvements in and relating to percussion caps, detonators and the like : en
  • GB415830A - Improvements in valves : en
  • FR770139A - Recuperator or heater consisting of individual tubular elements : en fr
  • US1972369A - Size-grading mechanism : en
  • US1972399A - Thermostatic switch : en
  • DE571244C - Bandage paper bandages and methods of making them : de en
  • DE602449C - Housing for the point closure of cutable switches of any kind : de en
  • FR43805E - Agglomeration machine : en fr
  • GB415854A - Improvements in or connected with water hydrants : en
  • IE12813L - Footballs and the like : en
  • FR770187A - : fr
  • US1972482A - Wedge shaft control for diesel engines : en
  • US1972769A - Broaching machine : en
  • DE602173C - Helical rolling mill : de en
  • US1972508A - Expansion joint for insulated structures : en
  • US1972722A - Elevator apparatus : en
  • FR43801E - Automatic switch-on and switch-off timer for t.s.f. : en fr
  • FR43859E - Advanced Mortise Lock : en fr
  • CA344437A - Glass run channel : en fr
  • FR770081A - Automatic firearm, and more specifically machine gun : en fr
  • DE602460C - Device for swinging goiter pieces and Kruemmlingen on a band saw : de en
  • DK49201C - Crushing roller mill with a fixed and a parallel displaceable, spring-affected roller. : da en
  • DE602307C - Centrifugal machine with a drum provided with cells on the circumference : de en
  • GB415959A - Improvements in or relating to wardrobes, cupboards and the like : en
  • AU1536133A - A pressing device for garments : en
  • GB415913A - Improvements in and relating to welding apparatus : en
  • GB416049A - Improvements in electrolytic condensers : en
  • US1972585A - Combined coat and cap : en
  • USD93247S - Design for a dress : en
  • FR769994A - Improvements to pedal scooters : en fr
  • DE602238C - Reversing gear for ship propeller shafts : de en
  • DE602478C - Bag holder : de en
  • GB415875A - Method of and apparatus for cutting gears : en
  • US1972678A - Guide flange for rail vehicles : en
  • US1972695A - Automatic closure control : en
  • US1972261A - Dispensing system : en
  • US1972326A - System for automatically detecting errors in telegraph reception : en
  • US1972450A - Production of derivatives of amino-6-methyl-2-heptene-2 : en
  • DE602361C - Pricking device for attachment to sewing machines : de en
  • DE602246C - Method for synchronizing cinematographic series images with associated sound sequences by wireless means : de en
  • FR43861E - Variable speed automatic transmission : en fr
  • FR769883A - Device for directly controlling the intake and exhaust valves of star-type explosion engines : en fr
  • GB415991A - Improvements in or relating to triple rolling mills : en
  • DE602261C - Wiper for the wedge spaces sliding out of the space magazine on die setting and line casting machines : de en
  • FR43888E - : fr
  • FR769981A - Internal combustion engine : en fr
  • GB416013A - Improvements in or relating to passenger-carrying amusement apparatus : en
  • FR43880E - Folding metal frame seat : en fr
  • FR769805A - Sulfur Condensation Method and Apparatus : en fr
  • FR770037A - Device for massaging large areas of the body : en fr
  • FR769801A - Table with gaming device : en fr
  • FR770063A - Mop : en fr
  • DE602283C - Method and device for continuously displaying the weight of individual lightweight objects : de en
  • FR769875A - Improvements made to mud flaps for cycles : en fr
  • DE602252C - Easel leaf egg in book form : de en
  • FR769986A - Cement manufacturing process and product obtained : en fr
  • GB416047A - Improvements in or relating to radio receivers : en
  • FR43887E - Portable ultra-filter : en fr
  • GB416372A - Improvements in or relating to the control of attenuation in alternating current transmission systems such as telephone or like systems : en
  • GB415859A - Garment-hanger : en
  • DE602137C - Process for the production of glass tubes with barrel-shaped longitudinal cut for dragonflies : de en
  • FR43855E - Process for the cementation of iron, steel and their alloys : en fr
  • FR43819E - Device for assembling radiator elements : en fr
  • GB415945A - Manufacture of condensation products from phloroglucinol and aromatic amines : en
  • DE602407C - Sleeve spring scales designed as pocket letter scales : de en
  • DE602100C - Bandage or bandage made from rubber : de en
  • GB415801A - Improvements relating to apparatus for the recovery by adsorption of vapours or liquids or for the separation of gases : en
  • FR43883E - Process for preparing organic compounds and resulting products : en fr
  • FR770130A - Discharge tube for illuminated signs : en fr
  • USD93194S - Design for a shoe : en
  • DE602423C - Metal fire box : de en
  • FR769832A - Machine for folding the edges and corrugating the envelopes of sheet metal containers : en fr
  • FR769834A - Collector motor to drive the decks for phonographic records : en fr
  • FR769950A - Single-cylinder mill comprising several grinding bars arranged one after the other in the flow of material : en fr
  • GB415807A - A new or improved device for holding books, newspapers and other articles : en
  • CA344416A - Lighting fixture : en fr
  • DK49205C - Utensil for Use in Laying Potatoes. : da en
  • US1972818A - Milling machine : en
  • US1972527A - Production of preformed plaster slabs, sheets, and other articles : en
  • DE602275C - Knocking device for vacuum cleaner : de en
  • DE602320C - Device for feeding metal in the form of toothed bars into the pouring pot of jigs depending on its movement : de en
  • GB415907A - Improvements in and relating to covers or lids for containers such as bottles, jars or like vessels : en
  • DE602160C - Workpiece support for centerless grinding machines : de en
  • US1972153A - Wire joint and method of forming same : en
  • DE602249C - Dough thread cutting and laying machine : de en
  • FR43817E - Lightweight hollow body designed to withstand high pressures : en fr
  • US1972381A - Amusement game accessory : en
  • USD93257S - Design for a stand : en
  • US1972687A - Christmas tree light ornament : en
  • US1972828A - Milling machine : en
  • DE602420C - Device for burning cement and similar goods : de en
  • FR770086A - Level crossing signaling device : en fr
  • US1972309A - Metal tubular frame structure and method of fabricating the same : en
  • DE602349C - Method and device for removing vulcanized objects, in particular golf balls, from two-part or multi-part press molds : de en
  • DE602083C - Method and device for sound reproduction by means of several spatially separated optical sound reproduction devices : de en
  • US1972202A - Inkwell attachment for desks : en
  • FR43830E - Sighting apparatus for airplanes, more particularly intended for photographic shots : en fr
  • GB415784A - Aeroplane landing system employing radiated beams of electromagnetic energy : en
  • GB415785A - Electrical conductors : en
  • US1972173A - Apparatus for tying newspaper bundles and the like : en
  • US1972689A - Apparatus for controlling and regulating dynamo electric machines : en
  • GB416039A - Improvements in toy picture puzzles : en
  • FR770013A - Refrigerant for wines and similar liquids : en fr
  • CA344339A - Floor duct installing method : en fr
  • DE602272C - Device for the continuous extraction of OEl : de en
  • FR770090A - Thermionic voltage regulator for direct current generator : en fr
  • GB415895A - Improvements in electrically heated receptacles : en
  • DE602384C - Fitting for multi-part frameless sliding glass doors : de en
  • US1972493A - Insulating block and process of making the same : en
  • US1972589A - Internal combustion engine : en
  • US1972221A - Photo-electric cell system : en
  • USRE19305E - Negative impedance repeater : en
  • US1972822A - Method and apparatus for treating rubber : en
  • US1972556A - Window construction : en
  • CA344358A - Hair waving device : en fr
  • US1972273A - Internal combustion engine : en
  • US1972203A - Brake : en
  • CA344302A - Cosmetic compact : en fr
  • US1972624A - Eye exercising instrument : en
  • US1972310A - Process for producing pure whites and a pure yellow in screened photogrphic pictures : en
  • DE602350C - Navigation angle measuring and drawing device : de en
  • DE602416C - Safety device for motor vehicles against unintentional rolling back and forth : de en
  • DE602441C - Ring mechanism for letter folders, loose-leaf books, etc. like : de en
  • DE602191C - Coffee machine with filter lifter : de en
  • DE602257C - Cooling the molds of die setting and line casting machines : de en
  • CA344433A - Telephone system : en fr
  • US1972181A - Grease gun : en
  • US1972514A - Lighting system for automotive vehicles : en
  • AU1406533A - improvements in or relating to bumpers or fenders for motor vehicles : en
  • US1972219A - Aromatic cyano-acetyl compound and process of preparing it : en
  • US1972286A - Transmission control in two-way signaling systems : en
  • US1972710A - Self-charging cable sheath extrusion apparatus : en
  • USD93238S - Design for a dress : en
  • US1972234A - Diaphragm pressure regulator : en
  • CA344337A - Bottle neck : en fr
  • US1972420A - Control device for a heat transfer system : en
  • FR770038A - Compressed air motor : en fr
  • US1972602A - Clutch : en
  • CA344372A - Malt kiln : en fr
  • CA344345A - Composite pipe : en fr
  • DE602335C - Process for the production of a homogeneous emanation ozone mixture for therapeutic purposes : de en
  • US1972205A - Indicating device or the like : en
  • CA344338A - Automobile polish : en fr
  • FR43808E - Electrolitic capacitor : en fr
  • FR769802A - Improvements to brabant plows : en fr
  • US1972846A - Dust deflector : en
  • US1972413A - Vacuum washing device : en
  • US1972429A - Incinerator : en
  • FR43900E - Improvements in wads for hunting cartridges and equipment for their manufacture and installation : en fr
  • CA344439A - Steam generator : en fr
  • CA344440A - Monoether of glycols : en fr
  • CA344404A - Magnesium chloride in flake or granular form : en fr
  • GB416349A - Improvements in and relating to delay action blasting electric fuses : en
  • US1972139A - Brake construction : en
  • DE602113C - Incandescent cathode tubes with several grid anode systems arranged around a filament : de en
  • US1972220A - Hydrometer float : en
  • US1972211A - Ladder bracket : en
  • US1972646A - Acetylene gas generator : en
  • CA344385A - Rubber processing : en fr
  • FR43833E - : fr
  • FR770067A - Construction process of buildings and structures and blocks molded in advance for its realization : en fr
  • GB415770A - Improvements relating to range finders or telemeters for photographic cameras : en
  • US1972334A - Electrically operated timing device : en
  • US1972559A - Universal joint : en
  • US1972611A - Electrode for discharge tubes : en
  • US1972187A - Lamp post : en
  • US1972521A - Synthetic resin : en
  • USD93252S - Design fob a boat : en
  • FR770113A - Variable profile airplane wing : en fr
  • US1972427A - Refrigerating system : en
  • US1972725A - Line attachment : en
  • US1972215A - Method of cutting slots with noncircular jet : en
  • US1972212A - Method of making brake shoes : en
  • US1972451A - Display figure : en
  • US1972464A - Machine for blowing glass articles in molds : en
  • US1972528A - Apparatus for producing unidirectional electric current at high voltage : en
  • US1972606A - Reel : en
  • US1972351A - Spark plug : en
  • US1972415A - Camp trailer : en
  • DE602164C - Spring drive with built-in centrifugal weight for alternating clockwise and counter-clockwise rotation of dancing toy figures : de en
  • DE602442C - Holding device for loosely stacked sheets of paper, in which elastic cords or bands are used to hold the sheets together : de en
  • US1972269A - Derrick construction : en
  • DE602363C - Cinematographic device : de en
  • FR43837E - Process for the manufacture of metal sleepers : en fr
  • CA344307A - Television scanning apparatus : en fr
  • CA344410A - Nut and bolt : en fr
  • CA344459A - Hydrocarbon oil processing : en fr
  • DE602268C - Process for the production of longitudinally watertight tubular wires with rubber or bitumen insulation : de en
  • FR769854A - Packaging of granulated and powdered products : en fr
  • GB415834A - Improvements in or relating to short time electric switches : en
  • GB415998A - Improvements relating to book covers or bindings : en
  • DE602433C - Flow meter for gases and liquids : de en
  • FR769980A - Electrical cable lug : en fr
  • GB415876A - A new or improved composition of a metal for casting purposes : en
  • FR769924A - Agglomerated products for building materials and objects of all shapes : en fr
  • FR769818A - Improvements made to internal combustion engines, in particular for aircraft : en fr
  • FR769905A - Drain siphon : en fr
  • FR769930A - Improvements to fire starters : en fr
  • US1972078A - Seal : en
  • US1972362A - Electric switching apparatus : en
  • US1972598A - Hoist sheave : en
  • GB415981A - Coin delivery device with a tiltable pay tray : en
  • US1972087A - Closure : en
  • US1972523A - Nonporous vacuum and pressure tubing : en
  • USD93231S - Design for a patrol type of flying : en
  • USD93256S - Design for an electrically lighted : en
  • US1972794A - Outlet box for electric installation : en
  • FR770084A - Self-closing protective cover display cabinet : en fr
  • CA344400A - Magnesium chloride production : en fr
  • DE602292C - Process for the production of formable paper, cardboard or similar material : de en
  • DE602431C - Process for uniform hardening of glass sheets : de en
  • FR769825A - Stencil shoe : en fr
  • GB415763A - Improvements in weft fast pile cotton velvets : en
  • FR769953A - Identification clip for laundry, etc. : en fr
  • US1972377A - Automatic demultiplying apparatus : en
  • FR770019A - Signaling device for vehicles : en fr
  • DE602409C - Screening device, especially for eggs : de en
  • US1972307A - Uniting synthetic resin and metal : en
  • US1972146A - Thermocouple : en
  • FR770109A - Acoustic device : en fr
  • GB415968A - Presser-foot for sewing machines : en
  • US1972422A - Changeable advertising exhibitor : en
  • DE602107C - A device that can be used as a pump, motor or simple transmission gear and consists of two parts arranged one inside the other with teeth that are permanently in contact : de en
  • DE602133C - Process for the preparation of intermediates and dyes of the anthraquinone series : de en
  • DE602176C - Ejector for removing the die from extrusion presses from the die holder : de en
  • US1972505A - Display hook : en
  • CA344422A - Line composing and type casting machine : en fr
  • DE602169C - Issuing cabinet for tickets and like : de en
  • DK49224C - Corner holder for Pictures. : da en
  • DK49214C - File machine for welded rail shocks. : da en
  • GB416020A - Anthraquinone derivatives : en
  • DE602439C - Process for the manufacture of flexible metal pipes : de en
  • FR43818E - Process for the production of tarred cardboard for roofs : en fr
  • FR769936A - Extendable mandrel for forming yarn balls : en fr
  • FR770003A - Gas impermeable joining process : en fr
  • GB415972A - Improvements in or relating to the preparation of fluosilicates : en
  • FR43849E - : fr
  • FR43857E - Potato bagging machine : en fr
  • GB415903A - Improvements in or relating to spirit levels : en
  • DE602345C - Device for deboning trunks : de en
  • US1972188A - Preparation of insulation : en
  • DE602239C - Level measurement method in telephone lines : de en
  • GB415773A - Improvements in and connected with suitcases and the like : en
  • DE602263C - Pocket stamp : de en
  • DE601880C - Drilling crane with reversing mechanism operated by a non-reversible drive mechanism : de en
  • CY39A - Device for use in the manufacture of pile fabrics and the like : en
  • US1972753A - Transfer device : en
  • FR769894A - Improvements to half-moons or similar half-pads : en fr
  • GB415966A - Improved automatic gun : en
  • FR769901A - Evaporation apparatus : en fr
  • GB415780A - Improvements in cans : en
  • GB415912A - Improvements in and relating to electrical heating apparatus : en
  • GB416055A - An improvements in or relating to machines for cleaning or polishing floors or like surfaces : en
  • CA344328A - Anti-friction bearing : en fr
  • GB415987A - Feed adjusting mechanism for a sewing machine : en
  • GB416416A - Improvements in the manufacture of cellulose from ligno-cellulosic materials : en
  • US1972448A - Adhesive composition : en
  • CA344449A - Pipe end bending method : en fr
  • GB415867A - Improved electrical plug for use in radio receivers : en
  • AU1545233A - Manufacture of sliders for sliding clasp fasteners : en
  • DE602467C - Articulated connection, especially for the connection head of grease guns : de en
  • GB415963A - Improvements in or relating to the dyeing or bleaching of felt hat bodies : en
  • FR769874A - Method for attaching ornaments to the ends of metal furniture support bars and means for carrying out said method : en fr
  • FR769845A - Method and device for treating crushed olive marcs : en fr
  • DE602414C - Stream sifter for mills : de en
  • CA344453A - Lubricating oil : en fr
  • US1972195A - Ore washer : en
  • US1972142A - Process for the production of carboxylic acid amides : en
  • FR769831A - Sheet metal edge grinding machine : en fr
  • GB415992A - Depurating filter for benzine and similar liquids : en
  • US1972677A - Statfs patfnt offirf : en
  • US1972738A - Fire extinguisher : en
  • FR769864A - Roll holder : en fr
  • FR43844E - Improvements in the manufacture of aliphatic anhydrides : en fr
  • DE602324C - Setting tab for typewriters, typewriters, etc. like : de en
  • GB415767A - Improvements in alternating current transmission systems such as telephone systems incorporating echo suppressors : en
  • US1972389A - Paper making machine : en
  • GB415843A - Improvements in cycle frames : en
  • DE602174C - Main coupling for rolling mills : de en
  • CA344417A - Hydraulic brake system : en fr
  • US1972199A - Telephone installation : en
  • US1972625A - Electric cable : en
  • US1972143A - Superheater boiler : en
  • US1972237A - Skiving machine : en
  • US1972711A - Apparatus for washing receptacles : en
  • DE602254C - Safety device for steam boiler systems with at least two safety valves : de en
  • AU1476433A - Improvements in moving advertising signs and display equipment : en
  • US1972691A - Toothbrush and the like : en
  • DE602419C - Twisting machine with inclined two-for-one twisting spindles : de en
  • US1972281A - Method of and apparatus for reforestation : en
  • US1972681A - Duplicating machine : en
  • US1972191A - Vibrator conveyer for furnaces : en
  • US1972228A - Indicator mechanism for internal combustion engines : en
  • US1972555A - Kinetographic apparatus : en
  • DE602039C - counter : de en
  • DE602211C - Production of town gas from lignite : de en
  • CA344343A - Rotary machine device : en fr
  • CA344447A - Froth or scum suppression on liquids : en fr
  • US1972118A - Medicated stick : en
  • US1972190A - Supercharger : en
  • US1972275A - Athletic protector : en
  • USRE19300E - Electric switch : en
  • FR769876A - Darkroom for color photography : en fr
  • FR769967A - Household electric oven : en fr
  • US1972268A - Interference suppressor : en
  • CA344341A - Building construction : en fr
  • GB415847A - Improvements relating to bottles for ink, gum and other liquids : en
  • GB415813A - Improvements in or relating to turbines : en
  • DE602170C - Device for the magnetic separation of mixed products : de en
  • GB416024A - Improvements in or relating to processes and apparatus for producing a combustible mixture of liquid or colloidal fuel and air : en
  • GB416031A - Improvements relating to bollards : en
  • US1972623A - Grinding machine : en
  • FR43860E - Improvements to electric oscillation transmitters for wired or wireless signaling : en fr
  • DE602189C - Soap dish for bathtubs : de en
  • DE602243C - Safety tab for weld seams : de en
  • US1972098A - Cuprammonium process for dissolving cellulose : en
  • DE602242C - Use of chips, residues or the like made from cast aluminum alloys : de en
  • US1972222A - Cigarette package and method of packaging cigarettes : en
  • US1972622A - One-piece braced egg carton : en
  • US1972643A - Friction clutch : en
  • US1972834A - Firedoor construction for stokers : en
  • USD93209S - Design for a display box : en
  • FR770110A - Machine for pulping parts of fibrous plants : en fr
  • FR43845E - Rotating and removable jaws : en fr
  • DE602128C - Snow clearers with two or more adjacent shovel wheels : de en
  • US1972073A - Cremation furnace : en
  • US1972229A - Shoe manufacture : en
  • GB415896A - Continuously variable speed gear : en
  • FR43875E - Plant dryer : en fr
  • GB415827A - Improvements in the packing of matches : en
  • FR769804A - Process for the production of finely divided sodium metasilicate : en fr
  • GB416006A - Improvements in apparatus for hardening wire : en
  • FR769928A - Device for attaching a camera, or the like, to an optical observation instrument : en fr
  • CA344315A - Wax applier : en fr
  • FR770136A - Wheat hulling machine : en fr
  • DK49213C - Steam engine. : da en
  • FR769899A - Diagram for the transmission of the same information to different receiving stations via lines : en fr
  • GB415948A - Toy projectile or rocket : en
  • GB415820A - Improvements in or relating to band brakes for epicyclic gearing, free-wheel mechanism and the like : en
  • FR770096A - Improvements in the manufacture of security explosives : en fr
  • FR769803A - Clutch and transmission for tedders : en fr
  • FR769952A - Footwear manufacturing process : en fr
  • DE602315C - Hole punch with adjustable stop rail : de en
  • FR769813A - Improvements to vehicle wheels : en fr
  • DE601755C - Vertical rack laundry : de en
  • CA344438A - Paper stock tester : en fr
  • US1972516A - Endless comb feeder : en
  • FR43869E - Lock locking device with handles : en fr
  • US1972729A - Wall structure : en
  • FR43827E - Manufacturing process of ammonium salts : en fr
  • FR43851E - Method and apparatus for making shoes : en fr
  • US1972807A - Bolted tank structure : en
  • GB415887A - Improvements in and relating to the moulding of packing strips : en
  • DE602288C - Welding pipe connection : de en
  • GB415951A - Valve seat grinding tool : en
  • FR769985A - Rotary cylindrical drum press for the production of ovoid balls : en fr
  • FR770005A - Improvements to catalytic heaters : en fr
  • GB415786A - Improvements in or relating to endless track vehicles : en
  • GB415835A - Improvements relating to drinking pails for poultry and the like : en
  • GB415956A - Improvements relating to the projection of lenticular films : en
  • FR770092A - Removable bed : en fr
  • GB415822A - An improved process for delustring natural and artificial silks : en
  • DE602290C - Machine for producing a bottom seal on paper tube sections : de en
  • FR770074A - Self-winding clock or watch : en fr
  • FR770144A - Very wear resistant rail : en fr
  • US1972262A - Railway rail : en
  • FR770032A - Improvements in manufacturing processes for antiseptic and disinfectant products. products obtained : en fr
  • DE602207C - Car body with a folding top frame that can be folded from front to back : de en
  • CA344451A - Keyboard perforator transmitter : en fr
  • FR43811E - Use of carbonates of zinc and other precipitated metals as enhancers of rubbers and other substances : en fr
  • USRE19307E - Treatment of china wood oil to pro : en
  • US1972595A - Automatic cut-off machine : en
  • CA344465A - Sound translating device : en fr
  • FR770079A - Typewriter : en fr
  • GB416025A - Catalytic materials and process of manufacture : en
  • DE602190C - Safety lock for cookware that can be used as a pressure cooker : de en
  • US1972628A - Range : en
  • US1972741A - Clutch : en
  • US1972755A - Laminated article : en
  • CA344348A - Hot air furnace : en fr
  • AU1396433A - mprovements relating to presses for meat and the like : en
  • US1972232A - Compound of the carbazole group : en
  • DE602394C - Shielding of high frequency coils : de en
  • US1972088A - Air conditioner : en
  • US1972314A - Process for the production of sensitized films : en
  • US1972372A - Elevator system : en
  • DE602171C - Ventilation device for waterless gas containers : de en
  • GB415777A - Improvements in and relating to electrostatic machines : en
  • US1972789A - Machine for and method of making commutator rings : en
  • USD93232S - Design for an ottoman : en
  • DE602279C - Process for cleaning and refining molten metals and alloys : de en
  • GB415808A - Improvements in railway motor wagons : en
  • US1972276A - Electron discharge device : en
  • US1972627A - Fuel control means for ranges : en
  • US1972761A - Valve seat grinder : en
  • AU1610234A - Improvements in paper containers : en
  • CA344463A - Receptacle charging apparatus : en fr
  • US1972129A - Car roof : en
  • US1972163A - Intermittent grip device : en
  • US1972760A - Gum inhiritor for hydrocarbon fuels : en
  • US1972393A - Shaft seal : en
  • US1972576A - Bag : en
  • USD93208S - Design for a roadside store or stand : en
  • US1972634A - Alarm clock electric switch : en
  • US1972693A - Formation of dense, highly lustrous and impervious deposits of nickel : en
  • US1972781A - Automatic starting system and means for hydrocarbon engines : en
  • US1972161A - Grease gun : en
  • US1972311A - Method for producing photographic reproductions in color : en
  • US1972557A - Invalid chair : en
  • US1972189A - Radioreceiver : en
  • FR769891A - Improvements to movable lens cinematographic devices : en fr
  • CA344304A - Fire alarm : en fr
  • FR769877A - Propeller for propelling vehicles : en fr
  • US1972790A - Electric hand lamp : en
  • FR769968A - Wall heating : en fr
  • AU1608834A - Aanimprovd venmtflinig attachment for milk ad Dother like cams : en
  • DE602459C - Cutter head with sliding knives : de en
  • CA344362A - Concrete reinforcement support : en fr
  • CA344466A - Briquetting machine : en fr
  • US1972638A - Article of manufacture for reenforcing : en
  • US1972290A - Stranding : en
  • US1972692A - Coupler for twist link chains : en
  • US1972342A - Manufacture of shoes : en
  • US1972400A - Lubricating device : en
  • CA344329A - Meat cutting block : en fr
  • CA344399A - Magnesium and calcium chloride separation : en fr
  • FR43822E - Backstage enhancements for extendable tables : en fr
  • FR43852E - Fixing lock for ventilators and similar devices : en fr
  • US1972102A - Hydrocarbon oil treatment : en
  • USD93222S - Design for a wheel : en
  • US1972840A - Cylinder bearing for printing machines : en
  • US1972138A - Azo dyes, and method of making the same : en
  • US1972434A - Hand line carrier : en
  • US1972113A - Trigger mechanism : en
  • USD93225S - Design for a lubricator : en
  • DE602476C - Building game : de en
  • DE602296C - Drive device for a vehicle used to transport a caterpillar vehicle : de en
  • US1972126A - Sharpening device for edged tools : en
  • US1972320A - Rear view mirror : en
  • US1972159A - Method and apparatus for controlling x-ray intensity : en
  • US1972587A - Skill device : en
  • US1972456A - Projection apparatus : en
  • CA344397A - Liquid bromine preparing process : en fr
  • US1972765A - Condenser for refrigerating systems : en
  • US1972653A - Handle for sweeps and the like : en
  • USD93214S - Design for a dress : en
  • AU1580534A - Improvements in moulds for building constructional elements of concrete : en
  • FR43825E - Improvements to tire rims : en fr
  • GB415829A - Improvements in or relating to the suspension of endless track vehicles : en
  • US1972751A - Control for compressors : en
  • US1972411A - Electrical resistance unit : en
  • FR43803E - Double-acting rotary motor or receiver : en fr
  • FR43893E - Dark field condenser for microscopes : en fr
  • DE602178C - Machine for the production of folded tube knees : de en
  • GB415852A - Improvements in automatically operated traffic control systems : en
  • US1972819A - Wall coping : en
  • US1972398A - Air cleaner having internal axial inlet : en
  • FR43871E - Device for cooking food : en fr
  • CA344423A - Light sensitive material : en fr
  • FR769860A - Electric friction wheel starter for starting internal combustion engines : en fr
  • FR769997A - Striking devices, in particular for clock with synchronous motor : en fr
  • FR769972A - Improvement in transmission control handles : en fr
  • GB415964A - Improvements in street lighting apparatus : en
  • FR43867E - Advanced process for manufacturing low carbon chromium alloys : en fr
  • GB415924A - Process of dyeing leather : en
  • USD93234S - Design for an ensemble dress : en
  • US1972091A - Cellulose derivative composition : en
  • US1972531A - Sprayer : en
  • US1972553A - Valve-spring lifter tool : en
  • US1972512A - Button : en
  • FR770129A - Improvements in means for measuring fluid flow rates, in particular relatively low flow rates : en fr
  • GB415870A - A method of making incandescence bodies for gas-lighting : en
  • FR43835E - Improvements applied to the manufacture and installation of parquet floors : en fr
  • FR43878E - Improvement in electrical cable reinforcements : en fr
  • GB415960A - Improvements in and relating to water closets : en
  • GB416001A - Improvements in or relating to cases or holders for grease paint or lipsticks : en
  • FR770008A - Rescue device for submarine crews : en fr
  • FR770124A - : fr
  • AU1351733A - Improvements in and relating to cane harvesting machines : en
  • AU1694434A - Improvements in or relating tothe manufacture of artificial stone surfaces : en
  • FR769893A - Sealable container : en fr
  • GB415841A - Improvements in breech actions for automatic fire arms : en
  • US1972156A - Plug mounting : en
  • US1972694A - Tractor attachment for automobiles : en
  • US1972258A - Carrier system : en
  • US1972594A - The and method of making the same : en
  • FR43881E - Device for injecting steam into the coal distillation chambers : en fr
  • US1972339A - Shoe : en
  • US1972350A - Process relating to the production of distilled water : en
  • USD93206S - Design fob a tire : en
  • CA344369A - Sprue forming and table locking mechanism : en fr
  • US1972283A - Molding strip : en
  • US1972380A - Duplicating machine : en
  • USD93240S - Design for a plate or similar article : en
  • US1972582A - Buckle : en
  • US1972721A - Valve : en
  • US1972532A - Holder for toothbrushes : en
  • FR770120A - Production process for charcoal briquettes : en fr
  • FR769951A - Switch refinements : en fr
  • GB416060A - Machine for coating metal cores with a cement plaster : en
  • DE602453C - Protective box designed for the gear drive of vehicle axles with double pawl bearing motors : de en
  • DE542348C - Press with paired circumferential, abutting pressing means provided with plate-shaped pressing surfaces : de en
  • FR769983A - Advanced skiing : en fr
  • DE602163C - Muzzle protectors for rifles : de en
  • DE602204C - Device for applying glue in sections to strips : de en
  • DE602387C - Water reserve : de en
  • DE602383C - Oxygen breathing apparatus : de en
  • CA344426A - Tire cover and lock : en fr
  • US1972768A - Atmospheric pressure operated locking mechanism : en
  • GB415950A - Improvements in or relating to sheet-delivery devices for cylinder printing presses : en
  • US1972233A - Defecating stool : en
  • US1972271A - Metering pump for cellulose compounds : en
  • US1972838A - Refractory furnace wall : en
  • FR769927A - Seat basket for fishing : en fr
  • US1972148A - Smoking pipe : en
  • CA344412A - Electric heater : en fr
  • US1972662A - Winding machine : en
  • USD93205S - Combined heating and cooking stove : en
  • AU1404533A - Improvements in or relating to directional radio antenna systems : en
  • GB415775A - Method of and means for treating and purifying sewage : en
  • DE602234C - Method and device for regulating deflagration chambers, in particular for internal combustion turbines : de en
  • USD93241S - Design for a building : en
  • US1972117A - Toy aeroplane : en
  • US1972280A - Sealed package : en
  • DE602167C - Strainer to be inserted into a waterfall pipe of a sink or bathtub : de en
  • DE602312C - Process for the production of paper and cardboard soaked with bituminous substances : de en
  • US1972165A - Digging device : en
  • US1972550A - Brake shoe : en
  • GB415919A - Improvements in or relating to engine-generator sets : en
  • AU1624334A - Improvements in or relating tothe preparation of catalysts : en
  • DK49210C - Method with associated machine for shrinking woven fabrics. : da en
  • US1972661A - Tape moistening device : en
  • USRE19303E - Dewaxing of petroleum oils : en
  • GB415931A - Improvements in elevator door mechanism : en
  • GB415915A - Improvements in or relating to low temperature heating systems : en
  • US1972076A - Ventilating device : en
  • CA344325A - Laminated furniture board top : en fr
  • DE602276C - Sealing strip with a U-shaped edge, fastened to a pivot window, can be swiveled : de en
  • FR769975A - Improvements made to groundwater catchment facilities : en fr
  • US1972484A - Transmission mechanism : en
  • GB415979A - Improvements relating to screwthread cutting tools : en
  • CA344353A - Speed gear : en fr
  • CA344321A - Ampulla : en fr
  • FR770014A - Improvements to catalytic heaters : en fr
  • GB415894A - Improvements in and relating to containers for compressed fluids : en
  • US1972105A - Drum for holding flexible type holding chases : en
  • US1972349A - Sled : en
  • US1972492A - Elastic wave television system : en
  • DE602417C - Clamping tool designed in the manner of Nuremberg scissors : de en
  • US1972257A - Thermostatic detector : en
  • DK49202C - Whipping nozzle for vacuum cleaners. : da en
  • GB416059A - Improvements in fishing reels or winches : en
  • DE602400C - Irradiation device, in particular ultraviolet irradiation device, with a large reflector made of light metal, also suitable for full irradiation : de en
  • AU1624234A - Improvements in or relating to delay action electric fuses : en
  • DE602236C - Switching device for automatic reverse gear with variable number of revolutions per change of direction : de en
  • DE602304C - Form protected against the possibility of forgery for checks, receipts and other fiduciary purposes : de en
  • FR770016A - Waterproofing and stoning process for loose or inconsistent land : en fr
  • GB415838A - Adjuvants for plastic materials, resins, gums, waxes and other organic substances : en
  • GB416000A - Improvements in and relating to means for regulating the transmission of electric power : en
  • DE602228C - Precision spring balance : de en
  • DE602256C - Casting pump for die setting and line casting machines : de en
  • DE602313C - Vibrating screen with saddle-shaped distributor : de en
  • DE602325C - Ratchet wheel clutch on typewriters and similar machines : de en
  • DE602111C - Production of hydrogen or nitrogen-hydrogen mixtures from methane or methane-containing gases : de en
  • GB416040A - Improvements in or relating to apparatus for feeding a strip or bar of plastic material to a cutting-device or other operating mechanism : en
  • US1972436A - Shoe : en
  • CA344442A - Chlorine drying apparatus : en fr
  • USD93196S - Design fob a shoe : en
  • US1972715A - Bolt anchor : en
  • GB415866A - Improvements in or relating to tins, canisters and like metal containers : en
  • GB416032A - Improvements in and relating to variable speed and reversing gearing : en
  • US1972096A - Yielding jaw crushing machine : en
  • CA344464A - Radio guiding system : en fr
  • AU1278733A - Improvements in or relating to shirt collars : en
  • CA344314A - Shoe non-slipping device : en fr
  • CA344316A - Marine vessel : en fr
  • CA344457A - Hair waving heater : en fr
  • GB416015A - Improvements relating to dynamo electric generators : en
  • US1972396A - Collapsible box : en
  • CA344354A - Water boiler : en fr
  • US1972649A - Apparatus for extracting juice from skinless fruits : en
  • CA344363A - Vacuum cleaner : en fr
  • FR43813E - Means for the distribution of a reaction, regeneration or purge fluid, within a contact or catalytic mass arranged in a reaction chamber : en fr
  • CA344456A - Dough tank : en fr
  • DE602214C - Device for cutting off waste from sheet metal and sheet material during zigzag punching : de en
  • CA344411A - Coloured salt production : en fr
  • FR769824A - Device for controlling the needles of knitting machines by jacquard or other mechanics : en fr
  • GB415941A - Improvements relating to tacheometers : en
  • GB415812A - Improvements in and connected with machines for washing dishes and the like : en
  • US1972112A - Slow reactor or circuit controller : en
  • US1972123A - Shadow projector : en
  • DE602333C - Electrolytic capacitor with pasty electrolyte : de en
  • FR43814E - Climbing switches and curved track frames for country rail vehicles : en fr
  • FR770146A - Dispensing device for dispensing pharmaceutical, toiletry or other products from tubes : en fr
  • FR43870E - New spinning and twisting spindle, on ball or roller bearings, with double pendulum suspension, applicable to the processing of all textile fibers : en fr
  • US1972318A - Waxing device : en
  • US1972827A - Milling machine structure : en
  • DE602461C - Device for the production of rubber threads from rubber dispersions : de en
  • GB416028A - Improvements in or relating to the treatment of textile materials : en
  • GB415900A - Explosive and method of manufacturing same : en
  • US1972296A - Heddle : en
  • DE602182C - Highly wear-resistant rail with easily replaceable head : de en
  • DE602224C - Alarm device for charging rectifier : de en
  • FR769900A - Flexible hose shower nozzle : en fr
  • GB416061A - Improvements in and relating to cable stranding machines : en
  • DE602341C - Method for filling inserts into a tubular cover, in particular for the production of sanitary napkins : de en
  • DE602195C - Arrangement for controlling an electric tow winch drive : de en
  • GB415811A - Selective mechanism for operating one of two or more meters or counters for use with multiple petrol pumps : en
  • DE602215C - Finishing roller for rolling in pipes : de en
  • DE602479C - Discharge device for steam-heated tube dryer : de en
  • GB415967A - Improvements in and relating to means for doffing cops and donning cop tubes in cop winding machines : en
  • US1972670A - Drying floor for china clay : en
  • FR770101A - Combined comb and circular turning tool : en fr
  • FR769910A - Device used to take a voltage, direct or alternating, constant, on variable voltage networks : en fr
  • US1972499A - Woven resistor : en
  • FR770135A - Burner for liquid fuels in fog state : en fr
  • DE602328C - Iron-on ribbon holder for typewriters : de en
  • DE602382C - Process for the production of an egg cream preserve for the preparation of ice cream : de en
  • FR769979A - Stopper device by the web of warp threads for a loom : en fr
  • FR770049A - Tubular stylograph pen with reservoir : en fr
  • FR43832E - Improvements to valves or quick opening valves : en fr
  • USRE19302E - Water repellent packing material : en
  • GB415816A - Electric lampholders : en
  • US1972333A - Electrically driven road vehicle and method of operating same : en
  • FR43898E - COMPLETELY SHIELDED REFRIGERATION MACHINE FOR INDUSTRIAL INSTALLATIONS : en fr
  • FR770020A - New advertising sign holder : en fr
  • US1972100A - Furnace wall : en
  • US1972322A - Filter : en
  • FR769892A - Adjustable orientation device for rake handle : en fr
  • GB415957A - Improvements in and relating to multiple spindle lathes : en
  • GB415905A - Display carton : en
  • CA344402A - Calcium chloride and magnesium chloride separation : en fr
  • FR769896A - Liquid fuel burner : en fr
  • US1972603A - Weighing device : en
  • US1972136A - Precipitation of tungstic oxide : en
  • US1972795A - Garment : en
  • GB416054A - Proofed firelighters : en
  • FR769904A - Hydraulic transmission mechanism : en fr
  • FR770036A - Process for the preparation of artificial masses of wood-stone for floor coverings or for similar purposes : en fr
  • FR770001A - Thread pass device : en fr
  • GB415974A - Improvements in and relating to eraser holders : en
  • US1972830A - Liquid dispensing apparatus : en
  • FR769809A - Distributor of flat objects, in particular razor blades : en fr
  • GB415860A - Improvements in or relating to road sweeping or cleansing machines : en
  • DE602379C - Insulated electrical wire, method and apparatus for its manufacture : de en
  • US1972316A - Process of and apparatus for grinding internal surfaces of tubes : en
  • US1972200A - Internal combustion engine : en
  • CA344303A - Engine drive mechanism : en fr
  • US1972538A - Rectifier system : en
  • US1972845A - Window device : en
  • US1972546A - Process of recovering halogens : en
  • FR43806E - Improvements to nonlinear impedance circuits and their applications : en fr
  • FR769847A - Assembly clamp for ski wood : en fr
  • FR769935A - Gasifier for all internal combustion engines : en fr
  • GB415831A - Improvements relating to the subdividing of tobacco and the like : en
  • GB415937A - Arrangement on forms for loose-leaf bookkeeping : en
  • GB415996A - Process for the manufacture of lakes from basic dyestuffs : en
  • US1972588A - Froth-flotation process : en
  • US1972593A - Furnace wall : en
  • FR770128A - Improvements to motor vehicles, especially low power ones : en fr
  • FR770140A - Transmission channel : en fr
  • GB415803A - Improvements in and relating to spade lugs for the wheels of agricultural tractors : en
  • US1972127A - Tapered shingle and process of making the same : en
  • FR770075A - Level crossing protection device : en fr
  • DE602264C - Series modulation circuit with water-cooled tubes : de en
  • DE602402C - Process for the production of halogen-containing Kuepen dyes : de en
  • CA344310A - Spring tool : en fr
  • FR769957A - Triarylamine derivatives : en fr
  • GB415790A - Improvements in or relating to the vulcanisation of rubber : en
  • US1972122A - Combination square, level, and protractor : en
  • USD93246S - Design for a dress : en
  • US1972618A - Numbering device for photo-printing machines : en
  • US1972177A - Dyestuff of the thioindigo series : en
  • CA344414A - Conduit : en fr
  • CA344377A - Calcium salt : en fr
  • US1972613A - Arcing guide for insulators : en
  • US1972651A - Apparatus for signaling between two points on a railroad train : en
  • AU1402433A - Improvements in or relating to acoustical units for structural purposes : en
  • AU1411733A - Improvemenits in the manufacture of a gas low in hydrocarbons, and appi'roimatig in composition to blue water gas, from bituminous coal, Iigmite, peat and the like : en
  • CA344448A - Radio signalling system : en fr
  • FR770083A - Improvements to automatic and synchronized gear change mechanisms : en fr
  • US1972707A - Egg carton : en
  • CA344468A - Bag holder : en fr
  • GB416052A - Improvements relating to taps : en
  • CA344428A - Wheel flange lubricator : en fr
  • DE602355C - Carburettors for internal combustion engines on motor vehicles : de en
  • GB416351A - Knitted fabric and methods of knitting fabric by circular knitting machines : en
  • USRE19304E - Clamping device : en
  • DE602331C - Method for producing an electrical plate capacitor, in particular a rotary capacitor : de en
  • AU1646834A - Improvements in or relating tothe manufacture and production of silver solders : en
  • US1972703A - Planter attachment for vehicles : en
  • USD93235S - Design for a dress : en
  • FR770060A - Luminescent tube illumination system and devices : en fr
  • GB415851A - Improved process and apparatus for drying photographic prints : en
  • AU1224033A - Improvements in or relating to radio receivers : en
  • US1972525A - Frostproof water meter : en
  • US1972762A - Fly catcher : en
  • USD93217S - Design for a plate or similar article : en
  • FR769946A - Device for marking tubes, rods, bars or the like during their manufacture : en fr
  • US1972425A - Dispensing apparatus : en
  • US1972473A - Method of drawing wire : en
  • US1972547A - Embossing machine : en
  • US1972620A - Signal casing : en
  • CA344386A - Rubber processing : en fr
  • US1972709A - Weldless cable sheath extrusion apparatus : en
  • US1972567A - Lock hasp : en
  • CA344308A - Generator current control : en fr
  • US1972459A - Reesterification of natural waxes and the product thereof : en
  • USD93254S - Design for a bathtub : en
  • CA344383A - Rubber processing : en fr
  • US1972305A - Air cooling system for passenger railway cars : en
  • US1972723A - Reel : en
  • USRE19299E - Harmonica : en
  • US1972154A - Measuring device : en
  • US1972763A - Firearm construction : en
  • US1972293A - Combined pointing and extruding machine : en
  • CA344401A - Calcium chloride and magnesium chloride separation : en fr
  • FR770106A - Burner for heavy oils : en fr
  • CA344445A - Electrolytic condenser : en fr
  • CA344388A - Rubber processing : en fr
  • US1972410A - Rotary pump : en
  • CA344384A - Rubber processing : en fr
  • CA344461A - Ferrophosphorus conversion : en fr
  • GB415949A - Process for sensitising photographic silver halide emulsions : en
  • US1972572A - Cable reel : en
  • DE542349C - Press with paired circumferential, abutting pressing means provided with plate-shaped pressing surfaces : de en
  • DE602277C - Process for solubilizing the metal content of iron-containing ores with a chlorine-containing gas : de en
  • DE602330C - Device for making records on sheets of paper through perforation : de en
  • FR770002A - Three-electrode galvanic relay : en fr
  • GB415934A - A pressure reducing valve or expander for obtaining a variable vacuum particularly applicable to variable vacuum steam heating installations : en
  • CA344420A - Rubber film manufacture : en fr
  • US1972743A - Carburetor : en
  • USD93244S - Design for a medal : en
  • DE602375C - Process for chemical treatment and simultaneous comminution of solid materials : de en
  • US1972364A - Thermostatic electric switch : en
  • US1972272A - Pneumatic dispatch tube apparatus : en
  • US1972590A - Means for controlling the electrostatic field for insulator bushings : en
  • CA344378A - Calcium compound : en fr
  • US1972699A - Machine for making box partitions : en
  • DE602326C - Paper guiding device on typewriters : de en
  • CA344380A - Motor timing apparatus : en fr
  • US1972103A - Process for treating silicon alloy castings : en
  • US1972384A - Shaft bearing : en
  • US1972474A - Garment or ironing press : en
  • US1972841A - Can packing device : en
  • US1972637A - Lighting fixture : en
  • US1972672A - Method of binding books : en
  • US1972785A - Flange greaser : en
  • FR43892E - removable prop : en fr
  • US1972491A - Electrical repeater tube : en
  • US1972135A - Cellulose derivatives and their manufacture : en
  • US1972157A - Vacuum distillation : en
  • DE602132C - Protection and signaling device for rectifier systems with discharge vessels : de en
  • GB416048A - Improvements in or relating to pneumatic tyres : en
  • CA344300A - Shoe sole edge thickening device : en fr
  • CA344376A - Collapsible gate : en fr
  • CA344409A - Volatilisable metal distillation : en fr
  • DE602477C - Moldings for lignite briquette presses : de en
  • GB416008A - Improvements in or relating to cartons and similar receptacles : en
  • GB416057A - Improvements in and connected with waste water outlets for use with washing machines for dishes and the like : en
  • DE602041C - Arrangement for high-voltage liquid switch with simple interruption for each pole, in which the switch-off takes place by pulling the arc downwards into a housing filled with liquid : de en
  • FR770080A - Device for measuring and discharging materials in determined proportions : en fr
  • FR770103A - Improvements to curtain attachment or support devices : en fr
  • US1972101A - Gauge for fastening-inserting machines : en
  • CA344443A - Calcium chloride preparation : en fr
  • CA344361A - Statistical calculating machine : en fr
  • US1972475A - Partition connecter : en
  • US1972507A - Multicolor printing press : en
  • DE602172C - Roller device for the simultaneous rounding of the sharp edges of longitudinally cut iron strips : de en
  • US1972114A - Force cup : en
  • US1972394A - Shaft seal : en
  • US1972843A - Shoe sole structure : en
  • US1972780A - Balanced variable delivery pump or blower : en
  • US1972444A - Picture transmission and reception system : en
  • US1972574A - Apparatus for photographing copy : en
  • US1972617A - Speed and pressure responsive regulator : en
  • US1972685A - Clutch control device : en
  • US1972466A - Web feeding mechanism : en
  • US1972704A - Refrigerating apparatus and process : en
  • US1972850A - Tape dispenser : en
  • US1972817A - Ironing machine : en
  • AU1374533A - An improved number plate and traffic lighting device for motor vehicles and the like : en
  • FR43854E - Aesthetic and orthopedic belt : en fr
  • US1972604A - Apparatus for supporting curtains : en
  • FR43894E - : fr
  • CA344454A - Radio tuning apparatus : en fr
  • US1972561A - Treatment of plant juices : en
  • US1972353A - Brake for motor road vehicles : en
  • DK49209C - Truck or Tractor with two Rear Axles. : da en
  • CA344425A - Gas purification for the synthesis of ammonia : en fr
  • US1972236A - Sealing tool : en
  • CA344424A - Wheel : en fr
  • CA344367A - Welting fillet and strip : en fr
  • CA344431A - Draft and buffing gear : en fr
  • USD93226S - Design for a wheel : en
  • DE602180C - Device for dewatering steam in steam boilers with indirect heating and steam circulation pump : de en
  • GB415962A - Improvements in radio receiving sets : en
  • DE599593C - Process for the production of a pack made of paraffin or a paraffin mixture for the heat treatment of the human body : de en
  • DE602462C - Manufacture of seamless, hollow diving rubber articles : de en
  • DE602398C - Electrical thermometer capacitor, the capacity of which depends on the level of a conductive column of liquid : de en
  • DE602166C - Stacking container for glued packs in packing machines : de en
  • DE602338C - Process for the production of dyes : de en
  • DE602376C - Process for the production of aluminum alcoholates : de en
  • US1972676A - Device for automatically regulating the tension of the web in rotary printing machines : en
  • US1972218A - Iron stand : en
  • AU1406933A - Improvements in process of and apparatus for moulding hollow rubber articles : en
  • US1972658A - Station selector for radioreceivers : en
  • US1972158A - Attachment for rolling mills : en
  • US1972402A - Root cutting sewer cleaning device : en
  • US1972264A - Receptacle : en
  • US1972783A - Combination harvester-thresher : en
  • US1972820A - Pneumatic tire construction : en
  • US1972767A - Valve testing clamp : en
  • CA344387A - Rubber processing : en fr
  • GB415771A - Improvements in or relating to electric circuit arangements suitable for use in connection with photo-electric cells : en
  • GB415928A - Improvements in or relating to the production of warp knitted fabrics on a warp machine having one row of needles : en
  • US1972340A - Process for the preparation of lactones : en
  • US1972130A - Closure for bags and the like : en
  • US1972449A - Automatic electric ticket indicator : en
  • DE602156C - Process for the continuous bleaching of pulp : de en
  • CA344317A - Paper stock air or gas extraction : en fr
  • US1972361A - Reenforcement mesh : en
  • US1972565A - Rotary engine : en
  • US1972633A - Milling machine : en
  • DE602457C - Monitoring device for switchgear : de en
  • FR43863E - Method and device for smelling coal agglomerates : en fr
  • FR770061A - Improvements to pool games : en fr
  • FR769932A - Process for improving plant materials : en fr
  • DE602364C - Sound and image reproducing device : de en
  • FR769819A - Spoke hub cap for automobile wheels : en fr
  • GB415842A - Improvements in and relating to textile spinning and like frames : en
  • GB415871A - A process for the production of potassium formate : en
  • DE602051C - Stratified implementation : de en
  • DE595218C - Device for demonstrating billboards or the like. : de en
  • US1972775A - Nonspillable primary battery with liquid electrolyte : en
  • GB415889A - Improvements in garment pressing and similar machines : en
  • GB416014A - Improvements in, or relating to, teapots, coffee pots, and like vessels : en
  • GB415795A - Improved stuffed or padded articles : en
  • FR770114A - Boat unloading device : en fr
  • GB415989A - Improvement connected with shaving brushes : en
  • GB416354A - Improvements in the manufacture of rubber belts : en
  • IE13651L - Pig scrapers : en
  • DE602199C - Injection pump drive for two-stroke injection engines : de en
  • FR770149A - Improvements to fluid pumps or motors : en fr
  • US1972155A - Display device : en
  • US1972279A - Anode supply system : en
  • US1972501A - Remote switching control system : en
  • US1972656A - Gramophone needle holder : en
  • US1972757A - Automatic fuel control for boilers : en
  • FR770077A - Air heating installation for railway wagons or other vehicles : en fr
  • GB415772A - Improvements in or relating to "crown cork" stoppered bottles having openers pivoted to their necks : en
  • GB416045A - Improved method of and apparatus for the deoorticating, hackling, combing, splitting, or the like of sisal and like fibrous leaves, stalks and the like : en
  • USD93237S - Design for an ensemble dress : en
  • DE602213C - Saving and cleaning device for shower heads : de en
  • DE602269C - Rubber-insulated or rubber-coated electrical line according to patent 465416 for water and airtight introduction : de en
  • DE602280C - Process for filtering hot gases : de en
  • DE602336C - Process for the production of Kuepen dyes of the anthraquinone series : de en
  • DE602451C - Contact wire clamp : de en
  • US1972382A - Furnisher brush : en
  • US1972698A - Signaling system : en
  • US1972534A - Vehicle actuated switch : en
  • US1972548A - Centrifugal pump : en
  • DE602188C - Thread feeder for knitting machines : de en
  • DE602301C - Pedal crank for bicycles with automatically lengthening and shortening crank arms : de en
  • US1972564A - Axle : en
  • FR770076A - Installation for heating trains by means of electric steam boilers : en fr
  • FR769925A - Metal seal intended to connect the ends of a metal band encircling a package : en fr
  • FR769929A - Improvement of injectors to increase their delivery capacity against high pressures : en fr
  • FR770119A - Improved method and apparatus for cooling glass articles : en fr
  • US1972208A - Colored concrete : en
  • US1972431A - Means for eliminating draft through closed doorways and the like : en
  • US1972756A - Laminated article : en
  • US1972428A - Syringe : en
  • FR770112A - Heat resistant iron-chromium-aluminum alloys : en fr
  • GB416355A - Improvements in and relating to cabinet beds : en
  • FR769911A - Method for wireless transmission of sound films : en fr
  • FR770137A - Manufacturing process of o-oxyazo dyes : en fr
  • GB415969A - Improvements in and relating to mattress-compressing devices : en
  • FR43840E - Umbrella training : en fr
  • FR769857A - Electrically operated tapping machine : en fr
  • FR769943A - Joint for railway tracks : en fr
  • FR770030A - Improvements to electric lamps : en fr
  • US1972412A - Trimming : en
  • US1972503A - Method of producing variegated articles of plastic material : en
  • DE602321C - Vice of a die setting and line casting machine : de en
  • DE602464C - Process for the enrichment of metals or metal compounds in melts : de en
  • GB415971A - Improvements in or relating to apparatus for cooling and aerating milk in standard milk cans : en
  • US1972244A - Inverted float steam trap : en
  • USD93215S - Design for a dress : en
  • CA344309A - Indexing device : en fr
  • US1972776A - Foot arch support : en
  • GB415818A - Improvements in or relating to electrical fuse switches of the pull down type : en
  • DE601982C - Electric display device for shooting targets with a dialing device in the target stand and a display device at the shooting stand : de en
  • GB416058A - Improvements in and connected with supports for dishes and other articles for use in dish washing machines : en
  • FR769947A - Process for the heat treatment of glass articles : en fr
  • GB415927A - Process for the production of molded articles by pressing : en
  • US1972734A - Carburetor : en
  • US1972378A - Hat press : en
  • US1972426A - Method of filling an absorber generator : en
  • US1972826A - Grinding machine : en
  • CA344347A - Boat propelling device : en fr
  • FR769837A - Metal frame for barrel on wheels : en fr
  • FR770066A - Remote automatic fire detector and alarm device : en fr
  • GB415877A - Manufacture of textile adjuvants : en
  • DE602378C - Process for the processing of low-phosphorus ferrophosphorus : de en
  • GB416026A - Improvements in photographic enlarging apparatus : en
  • GB416353A - Improvements in hard alloys and method of making same : en
  • US1972408A - Tubing drain : en
  • FR769878A - Improvements to telegraph devices controlled by keyboard : en fr
  • GB416051A - Improvements in or relating to processes of and apparatus for purifying liquefied gases : en
  • US1972526A - Water meter : en
  • USD93200S - Design for a service bar back : en
  • FR43838E - Suspension device for vehicle seat : en fr
  • FR770034A - Closing device for pressure vessels : en fr
  • GB415879A - Improvements relating to internal grinding machines : en
  • DE602317C - Process for the joint production of phosphorus or its oxygen compounds as well as ferrophosphorus and molten cement in one and the same furnace : de en
  • DE602408C - Friction wheel lighter : de en
  • FR770064A - Method and device for regulating the pasteurization temperature in milk pasteurizers : en fr
  • US1972128A - Finger ring : en
  • US1972196A - Phosphatic material : en
  • GB416029A - Improvements in apparatus for recording the duration of, and other data relating to telephone calls : en
  • FR769842A - Keyless security lock system : en fr
  • US1972089A - Calculator and direct reading humidity indicator : en
  • DE602241C - Process for reducing the viscosity of fully stabilized nitrocellulose : de en
  • FR769897A - Method for preventing air chambers from deflating : en fr
  • DE602306C - Feeding device for an endless web of wrapping material, which is provided with pressure at certain intervals : de en
  • FR43847E - Machine for unwinding and printing a strip of paper at the same time : en fr
  • USD93224S - Design for a wheel : en
  • FR43807E - Improvements to power supply and control systems for synchronous and asynchronous machines : en fr
  • US1972179A - Apparatus for expanding metal laths : en
  • US1972470A - Offset printing press : en
  • US1972636A - Drilling apparatus : en
  • US1972252A - Wrapping machine : en
  • US1972435A - Safety valve : en
  • CA344331A - Static pressure indicator : en fr
  • DE602308C - Luffing crane : de en
  • FR769971A - Mechanisms applicable to coin-operated devices and, in particular, to gaming devices of this type requiring ball handling : en fr
  • FR770033A - Pair of needle cylinders for spinning preparation machines or similar machines : en fr
  • FR769856A - Automatic air pump for inflating automobile tires and other pneumatic chambers : en fr
  • GB415909A - An improved combination bottle and tumbler travelling set : en
  • US1972197A - Hand protecting device : en
  • US1972509A - Method of welding seams along curving surfaces : en
  • US1972839A - Auxiliary drive wheel for automobiles : en
  • DE602209C - Toy sailing ship with an automatic control that adapts to the wind direction : de en
  • DE602471C - Clamping device on grinding and polishing machines for smoothing the surfaces of knife blades : de en
  • US1972109A - Air conditioner : en
  • GB415764A - Improvements in or relating to the manufacture of compositions containing cellulose derivatives and products made therefrom : en
  • GB415878A - A sanitary device for use on drinking vessels : en
  • GB415932A - Improvements in or relating to saturators : en
  • FR43858E - Relayless mounting mode for cinematographic systems with incandescent lamps : en fr
  • GB416558A - Improvements in the manufacture of cellulose from ligno-cellulosic materials : en
  • GB415810A - Improvements in or relating to rotary ball valves : en
  • GB416549A - Improvements in the manufacture of cellulose and lignocellulosic materials : en
  • AU1651434A - Improvements in mowing machines : en
  • DE602253C - Process for the preparation of chlorinated and brominated dialkoxydiphenylureas : de en
  • FR770023A - Motor and compressor motor : en fr
  • FR769821A - Adhesion blocks and their application system to tractor wheels : en fr
  • FR769836A - Device suitable for disinfection and destruction of insects and pests : en fr
  • US1972759A - Combination drafting instrument : en