• US1774867A - Wall-board tack or staple : en
  • US1774942A - Device for producing toracco portions of uniform size : en
  • US1775031A - Fare register : en
  • CA303527A - Locomotive starting valve : en fr
  • DK42861C - Hydroplan bath. : da en
  • AU2508930B - Cylinder heads for internal combustion engines : en
  • US1774526A - Aircraft : en
  • CA303600A - Train pipe coupling : en fr
  • US1774660A - Method of making wheels : en
  • US1775057A - Power-operated typewriter : en
  • DE505476C - Process for the production of hydrogenated derivatives of diphenyl : de en
  • DE506442C - Process for the oxidation of acylamino-ª ‡ -naphthols : de en
  • FR689268A - Improvements in mending needle holder sleeves : en fr
  • US1774931A - Production of iron-oxide pigments : en
  • US1774941A - Spring wheel for vehicles : en
  • US1774995A - Automatic fire-alarm system : en
  • US1775074A - Process of dyeing pelts, hairs, feathers, and the like : en
  • GB334554A - Improvements in or relating to the manufacture of artificial rubber and rubber substitutes : en
  • US1774789A - Intermittent couple and adjustment : en
  • US1774953A - Oil burner : en
  • DE506395C - Hammer head for pianos or the like : de en
  • FR689341A - Substance for glazing windows, and similar applications : en fr
  • US1774664A - Joint for conduits : en
  • ES119273A1 - Improvements in the assembly of the guns. : en es
  • US1774825A - Method of stabilizing ships : en
  • ES119113A1 - A process for coating metallic bodies with tungsten or molybdenum bronzes. : en es
  • FR689122A - Layers for photochemical discoloration : en fr
  • GB334547A - A tape or wire for loading electric conductors : en
  • DE506156C - Bell-shaped foot made of rubber for typewriters etc. like : de en
  • GB334854A - Improvements in vacuum cleaning machines : en
  • AU2524030B - Improvements in rotary tipplers : en
  • CA303620A - Combined shutter and film moving mechanism : en fr
  • CA303534A - Radiator : en fr
  • CA303699A - Synthetic resin : en fr
  • DE506503C - Device for indexing a picture strip in a projection device : de en
  • FR689373A - Advanced looms with automatic weft change : en fr
  • GB317787A - Improvements in or relating to apparatus for broadcasting documents : en
  • IS110A7 - Method for preserving supplements in dried herbs : en is
  • FR688997A - Improvements to starting devices for motors : en fr
  • GB334295A - Improvements in and relating to the joining together of the ends of lengths of yarn : en
  • AU2448530B - Improvements in or relating to means for detecting frequency modulated energy : en
  • US1775068A - Fountain pen : en
  • CA303496A - Envelope : en fr
  • US1774913A - Slicing machine : en
  • GB334333A - Improvements in heat exchanging devices, particularly for condensers of refrigerating apparatus : en
  • FR689116A - Manufacturing process for profiled metal parts : en fr
  • FR687076A - Processes and devices for the manufacture of artificial silk and for the subsequent finishing operations : en fr
  • US1774650A - 5-halogen-2-cyano-3-amino-1-methyl-benzene compounds : en
  • DE506282C - Process for the preparation of highly alkylated guanidines : de en
  • DE506288C - Mechanical control for railcars : de en
  • DE506579C - Adjustable chair, especially for medical purposes : de en
  • FR688998A - Self-inking stamp : en fr
  • FR689333A - Improvements to oil heating systems : en fr
  • GB334351A - Improvements in and relating to electric circuit arrangements for signalling installations, indicator boards, and the like : en
  • DE506333C - Packaging machine composed of a package production machine, a filling machine and a closing machine : de en
  • ES119287A1 - A process for the preparation of condensation products of urea and formaldehyde. : en es
  • US1775039A - Aeroplane braking system : en
  • CA303506A - Wire spoked vehicle wheel : en fr
  • DE504094C - Certificates stamping machine : de en
  • US1774597A - Spring upholstered seat back : en
  • ES118957A1 - Application of the photoelectric cell to the lighting of lamps and combinations of colored lamps. : en es
  • FR689265A - Process for the preparation of an explosive mass : en fr
  • GB317481A - Improvements in or relating to high tension electric switches : en
  • GB334329A - Improvements in and relating to supports for caravans, trailers and the like : en
  • GB334383A - Improvements relating to fish and chip-potato or the like ranges : en
  • DE489290C - Arrangement for the amplification of photo currents for measurement or registration purposes, especially for image transmission : de en
  • DE506592C - Process to prevent scoring in roller bearings of stationary machines : de en
  • FR688982A - Vitalised food honey process and means of obtaining : en fr
  • GB334320A - Improvements in or relating to centrifugal friction clutches : en
  • ES118833A1 - Improvements in the spark plugs used in explosion engines. : en es
  • FR689127A - Metal tamper-evident seal for closing packaging and other cases : en fr
  • GB334363A - Improvements in pickers for looms : en
  • GB334379A - Improvements in hydraulic turbines actuated by products of combustion : en
  • AU2497330A - Improvements in or relating to welding electrodes and method of making same : en
  • CA303546A - Method of producing spinning fibres : en fr
  • DE506328C - Device for ringing bells by an electric motor with alternating direction of rotation of the rotor : de en
  • US1774612A - Vibrator : en
  • US1774982A - Railway-traffic-controlling apparatus : en
  • US1774864A - Perpetual calendar : en
  • ES119281A1 - OPERATING PROCEDURE FOR AIR FUNICULAR RAILWAYS FOR TRANSPORTATION OF PEOPLE : en es
  • US1774989A - Adjustable seat : en
  • USD81937S - Edwin m : en
  • CA303691A - Traffic register : en fr
  • AU2337229A - Improvements in latch-locks : en
  • DE504250C - Washing and post-treatment machine for rayon : de en
  • FR688992A - Clamps : en fr
  • FR689198A - Airplane : en fr
  • GB334365A - Safety parachute device : en
  • DE506285C - Ejection device for printed envelopes, tape strips, sheets or the like on address printing machines with an up and down moving pressure arm : de en
  • FR689337A - Improvements in valve mechanism for internal combustion engines : en fr
  • ES119276A3 - Protection device for current limitation and automatic disconnection of appliances using electric current. : en es
  • FR689208A - Improvements to devices for attaching capsule closures to the necks of bottles or other containers : en fr
  • GB315419A - Electric circuit breaker apparatus for large outputs : en
  • GB334376A - Improvements in and relating to musical instruments : en
  • GB334453A - Improvements in glass working apparatus : en
  • USD81913S - Design fob a heateb stand fob coffee makers : en
  • DE506603C - Process for the production of contours for printing rollers to be etched for textile printing : de en
  • USRE17786E - Device for making ring joints : en
  • FR688989A - Manufacturing process of fine threads of artificial silk : en fr
  • FR689193A - Improvement in the manufacture of espadrille sandals without a first : en fr
  • GB334304A - Improvements in or relating to apparatus for automatically delivering and weighing predetermined quantities of material : en
  • ES119220A2 - IMPROVEMENTS IN THE LIGHTNING RODS : en es
  • FR36906E - Method and apparatus for electric forging and roughing of irons and profiled steels : en fr
  • FR689142A - Improvements to fans, pumps or rotary compressors : en fr
  • GB334238A - Improvements relating to the construction of electric motors : en
  • FR688968A - Improvements to the processes for the production of sound cinematographic films and to said films : en fr
  • FR688987A - Improvements to clamping sleeves : en fr
  • DK42856C - Choose. : da en
  • GB334410A - Improvements in or relating to casings for power transmission gearing : en
  • GB334267A - Improvements in or relating to methods of, and apparatus for, co-ordinating the feed of a succession of sheets with operations repeated in respect of each : en
  • ES119261A1 - An improved procedure for making knitted shirts. : en es
  • FR689283A - Process for the production of sound-absorbing cast stones : en fr
  • FR689391A - Selector device : en fr
  • GB334273A - Improvements in and relating to stencil duplicating machines : en
  • DE506089C - Rotary valve with semicircular slide plate for muddy and sedimenting liquids : de en
  • DE506253C - Rifle with cartridge feeder mechanism : de en
  • DE506488C - Pocket filter made of several filter plates arranged in a zigzag shape : de en
  • DE506641C - Device for hand printing presses for the precise setting of partial printing forms and the multicolored sheets to be printed : de en
  • GB334251A - Improvements in or relating to the treatment of catalyst masses : en
  • CA303566A - Collapsible tube and closure : en fr
  • CA303652A - Device for modifying the colour of light in glow tubes : en fr
  • US1774897A - Sheet-folding mechanism : en
  • FR689352A - Improvements made to the means used to articulate movable elements such as lids, tops of chests, furniture, etc. : en fr
  • DE506612C - Roller bearing spindle for spinning, twisting and winding machines with a flexible neck bearing : de en
  • FR36928E - Removable finger guard for shotgun or other weapons : en fr
  • FR36908E - Process for the production of tank dyes of the anthanthronic series : en fr
  • FR689286A - Rotary pump : en fr
  • ES118402A1 - A procedure to obtain potassium nitrate and soda. : en es
  • ES119226A1 - Press for grapes, fruits and similar materials, consisting of an endless caterpillar arrangement. : en es
  • USD81947S - Chusetts : en
  • DE506388C - Device and method for introducing glass plates rolled by base into a cooling furnace : de en
  • ES119313A2 - IMPROVEMENTS INTRODUCED IN PATENT 119281 : en es
  • FR689111A - Production of new azo dyestuffs : en fr
  • CA303492A - Shutter for motion picture projectors : en fr
  • CA303576A - Process of producing light-coloured oils and fats from fish, etc. : en fr
  • DE506314C - Carburetor : de en
  • US1774880A - Driving means for wire-stranding machines : en
  • ES119218A2 - TONE CLARIFYING MEANS FOR RADIO DEVICES THAT USE A REGULAR SUPPLY OF DIRECT CURRENT : en es
  • US1774855A - Driving unit for loud-speakers : en
  • GB316316A - Process for producing coloured resists under aniline black : en
  • GB334856A - A process for the manufacture of carbon bisulphide : en
  • GB315225A - Improvements in and relating to plane irons : en
  • GB318236A - Improvements in or relating to apparatus for the fluid treatment of wound textile fibres : en
  • DE506452C - Dynamo-electric gearbox : de en
  • FR689131A - Wake up movement : en fr
  • US1774499A - Wiping mechanism for plate-printing machines : en
  • US1774570A - Feeding device for rock drills : en
  • DE506492C - Packaging sleeve and device for producing the same : de en
  • CA303617A - Depressor plate mechanism for billing machines : en fr
  • FR689010A - Improvements to the wetting mechanism of rotary printers : en fr
  • GB334872A - Improvements in and relating to the production of dyestuffs and intermediates : en
  • ES118805A1 - A procedure to pack fresh fruits and vegetables in hermetically sealed containers and waterproof to prolong the life of those in their natural state for long years. : en es
  • DE506526C - Reversible oil switch with three bushing insulators per phase : de en
  • FR689399A - Porous mass for the storage of explosive gases dissolved in a solvent : en fr
  • US1774996A - Heating lid : en
  • US1775025A - Railway-traffic-controlling apparatus : en
  • FR689071A - Improvements to steam generators : en fr
  • GB334265A - Improvements in or relating to colour photography : en
  • GB334462A - Improvements in and connected with the production of multiple copies : en
  • GB334559A - Improvements relating to printing presses : en
  • GB313132A - Device for preventing the formation of double ends in continuous spinning frames and twisting frames : en
  • FR689385A - Improvements to the means for detaching sugar loaves from centrifugal machines : en fr
  • GB334488A - Improvements in tables for casting glass : en
  • DE506234C - Projector for multiple cinema : de en
  • ES119248A1 - An automatic device applicable to elevators and hoists to act without need of springs, suspensor of the car in case of total rupture of the suspension cables. : en es
  • US1774866A - Preservative material and method of making and applying the same : en
  • GB334258A - Improvements in the manufacture of moulded hollow-ware : en
  • FR689005A - Tuber lifting machine : en fr
  • ES119257A1 - A procedure for the manufacture of shoes. : en es
  • FR36933E - Improvement in thickening filters : en fr
  • FR689114A - Transfer device for calculating machines and cash registers : en fr
  • GB334321A - Improvements in electric switch installations : en
  • DE506449C - Electrical switch, the contacts of which are arranged within a housing filled with powder or grainy insulating material : de en
  • FR688978A - Hinge device for trunk lid : en fr
  • FR689017A - Imitation product of so-called rugs : en fr
  • GB334437A - : en
  • DK42892C - Stand for milk transport buckets or similar. : da en
  • ES119212A1 - Blade improvements for razors. : en es
  • US1774758A - Strainer : en
  • US1774632A - Intake manifold : en
  • FR689129A - Improvements to maximum current circuit breakers with magnetic blowing and others : en fr
  • GB334412A - Improvements in or relating to the cylinders of vertical internal-combustion engines : en
  • GB334386A - Improved drag arrangement for spinning, twisting and like machines : en
  • GB334421A - Improvements relating to inlet valves of internal combustion engines : en
  • US1774625A - Automobile hood lock : en
  • FR689086A - Latch arrangement for car doors and other applications : en fr
  • DE506152C - Gear transmission for intermittently rotating a shaft from a second shaft, especially for ruling machines : de en
  • DE506594C - Gear for controlling rotating machine parts : de en
  • FR688984A - Frame for hacksaws and the like : en fr
  • GB334465A - Improvements in or relating to mops and like cleaning appliances : en
  • US1774592A - Skein lacing machine : en
  • US1774722A - Switch for electrical flash lights : en
  • US1774771A - Process for the production of nutritive substances : en
  • USD81929S - Design fob a textile fabbic : en
  • US1774810A - Boiler : en
  • US1774822A - Rectifier choke coil : en
  • DE506541C - Rotary ring furnace for drying and smoldering coal : de en
  • FR36939E - Automatic tip system for silk spinning : en fr
  • FR689436A - Self-releasing ball valve : en fr
  • GB334429A - Improvements in coal boxes : en
  • GB334482A - Crank or eccentric press : en
  • GB334448A - : en
  • ES118607A1 - A suspension device for lighting devices. : en es
  • FR689059A - Cooling improvements for internal combustion engines : en fr
  • GB334335A - Improvements in winding and tensioning devices for wires, ropes and the like : en
  • FR689245A - Cellulose cooking process : en fr
  • GB334520A - Improvements in breaking and scutching apparatus for treating flax, hemp, & like fibrous material : en
  • DE506250C - Safety lock for handguns, especially for break-barrel rifles with internal cocks : de en
  • DE506610C - Automatic traffic control device : de en
  • DE506600C - Process for impregnating hollow vessels made from paper pulp : de en
  • US1774973A - Wrist exerciser : en
  • US1774556A - Jordan engine : en
  • USD81933S - Design for a frame of a chair or settee : en
  • US1774925A - Method of making track torpedoes : en
  • DK42876C - Procedure for Attaching Friction Coatings to Their Substrates. : da en
  • FR689189A - Advertising and hygienic roll and <block-napkins> : en fr
  • ES119263A1 - Improvements in the propulsion of ships through turbines or pumps. : en es
  • GB334574A - Improvements in or relating to parallel knitting-machines and to fabrics knitted thereon : en
  • DE506469C - Machine for blowing hollow glass bodies, especially incandescent lamp bulbs : de en
  • ES119138A1 - An improvement in automatic and semi-automatic pistol triggers. : en es
  • ES119173A1 - Procedure to eliminate gases from cable ducts and their inlet wells. : en es
  • GB334433A - Improvements in boxes for containing and delivering pulverulent or granular substances : en
  • GB334475A - Improvements in two-stroke internal combustion engines : en
  • DE506468C - Circular glass oven with a rotating oven sole : de en
  • GB334576A - Improvements in sound recording : en
  • DE506560C - Overcurrent protection device for direct current networks with mercury vapor switches : de en
  • US1774548A - Awning-frame-corner fitting : en
  • US1774876A - Watering device : en
  • FR689362A - Apparatus for uncapping teeth : en fr
  • CA303536A - Carbureter : en fr
  • CA303631A - Jacquard strip : en fr
  • US1774622A - Combination scale and fortune-telling machine : en
  • US1774680A - Holder for safety-razor blades : en
  • US1774732A - Insulating covering for fittings : en
  • US1774929A - Method of making hexamethylenetetramine : en
  • DE506448C - Method for degassing contacts enclosed in a highly evacuated housing : de en
  • DE506511C - Direction and stop indicators for motor vehicles : de en
  • FR689214A - Improvements to machines and mechanisms to be calculated : en fr
  • US1775038A - Power-control mechanism : en
  • AU2487030A - Improvements in engine starting apparatus : en
  • DK42883C - Device for Conveyors for Sorting Timber or similar. : da en
  • GB334406A - Improvements in and relating to controlling devices for spring suspension systems of vehicles : en
  • FR689409A - Improvements to the processes for the production of condensation products : en fr
  • CA303589A - Electro-magnetic sound reproducer : en fr
  • DE506508C - Steering device for motor vehicles : de en
  • DE506596C - Pulley with lining : de en
  • AU2190729A - Improvements in and relating to sawing machines : en
  • CA303567A - Maternity bed : en fr
  • FR689157A - Transmission belt with rubber grip strip and more especially in the form commonly referred to as : en fr
  • FR689280A - Colander for removing solid substances from pots and other containers : en fr
  • DE506392C - Calculating machine with storage counters : de en
  • ES119209A1 - A process for preparing ink colorants unalterable to the chlorine of the N-dihydro-1.2.2'.1'-anthraquinonacin series. : en es
  • FR689152A - Double dipped headlight : en fr
  • DE506583C - Avoidance of rust diarrhea with suction grates : de en
  • US1774749A - Steam boiler : en
  • US1774514A - Player-piano case : en
  • DE506028C - Dobby : de en
  • CA303681A - Diaphragm mounting for loud speakers : en fr
  • US1774690A - Safety valve : en
  • FR36913E - Mower : en fr
  • AU2466130A - Automatic vending machine : en
  • DE506624C - Impact device : de en
  • ES118771A3 - A procedure for the manufacture of carpets. : en es
  • FR689018A - Process for coating and decorating regenerated cellulose films : en fr
  • FR689539A - Construction process for concrete tracks : en fr
  • FR689209A - Variable speed control method and apparatus : en fr
  • FR689347A - Improvements to machines for creasing wooden heels before covering them and to the procedures for carrying out this preliminary work : en fr
  • US1774580A - Newspaper-inserting machine : en
  • US1774884A - Drive head for driving pipes : en
  • DE506224C - Epicyclic gearbox : de en
  • GB334368A - Improvements in and relating to wheels for vehicles : en
  • FR689247A - Improvements to embossing machines : en fr
  • DK42868C - Weight. : da en
  • AU2193429A - Improvements in and connected with toothed transmission gearing : en
  • AU2509230A - Improvements in and relating to visible indexes : en
  • DE506474C - Machine for making fruit drinks : de en
  • US1774930A - Production of iron-oxide pigments : en
  • FR689276A - Glass furnace : en fr
  • DE500917C - Reversible, expanding rotary piston engine with interlocking arrow-wheel pistons : de en
  • ES145U - Protective gadget for telephone headsets. (Machine-translation by Google Translate, not legally binding) : en es
  • GB334291A - Improvements in or relating to protective systems for alternating current systems : en
  • ES119176A1 - A procedure to join shoe cuts to soles or floors. : en es
  • FR689036A - Improvements to machines used for reproducing drawings by means of an artificial light source : en fr
  • GB334297A - Improvements in or relating to machines for distributing finely divided material on road surfaces and for similar purposes : en
  • GB334434A - Improvements in and relating to paper folding machines : en
  • US1774596A - Safety-razor handle : en
  • GB334471A - Improvements in or relating to electric switches : en
  • GB334357A - Improvements in and relating to sterns and stern frames for screw-propelled vessels : en
  • US1774754A - Apparatus for transmitting coded currents : en
  • US1774881A - Cooling system for internal-combustion engines : en
  • ES119293A1 - A machine for the automatic manufacture of wire chain. : en es
  • FR689340A - Automatic device for dividing objects transported by a conveyor belt into two fractions : en fr
  • FR689393A - Improvements to gaffs, landing nets and other fishing gear : en fr
  • GB314060A - A process for the manufacture of carbon bi-sulphide : en
  • US1774506A - Thermostatic circulation control : en
  • US1774887A - Top-lift-trimming machine : en
  • DE506647C - Circuit arrangement for call signs : de en
  • FR689331A - A process for the production of highly stretchable spinning solutions using viscose for the manufacture of threads, bands, etc. : en fr
  • DE506301C - Device for generating induction currents from heat, by means of the change in magnetism that occurs in a magnetic body when fluctuations in heat act on it : de en
  • FR689180A - Pocket umbrella : en fr
  • FR689219A - Safety device for ignition of automobile engines : en fr
  • US1774566A - Process and apparatus for regulating paper stock and the like : en
  • DE506537C - Device for dyeing fabric webs that are manufactured in tubular form and are endlessly sewn together : de en
  • ES119144A1 - Application of the process of emptying and molding artificial resin pastes to the manufacture of covers for books, files and filing cabinets. : en es
  • FR689052A - New kind of ribbed knitted fabric and device for obtaining it on circular ribbing looms : en fr
  • FR689090A - Reflected light headlight with anti-glare device : en fr
  • ES119312A1 - PROCEDURE TO INCREASE THE MOMENT OF RESISTANCE IN Z-SHAPED MACHIEMBRARING IRONS, FOR LINES OR WALLS OF STAKES OR PALIPLANCHAS : en es
  • ES118288A1 - Improvements in inflatable air chambers for tires. : en es
  • ES118693A3 - A device for the automatic deposit at any time of funds in the bank's cash register from outside the building. : en es
  • DE506586C - Device for measuring indentation depths in ball pressure tests : de en
  • FR689368A - Universal machine tool : en fr
  • GB334328A - Improvements in or relating to focusing cameras : en
  • FR36705E - Improvements to sound-producing devices : en fr
  • FR689054A - Double cinematographic station : en fr
  • GB334478A - Improvements in and relating to dynamometers : en
  • DE459031C - Meat mixing and ball pressing machine for sausage production : de en
  • DE506454C - Bayonet socket for electric light bulbs with axially adjustable lamp base : de en
  • DE506587C - Test stand for land vehicles : de en
  • FR36911E - Adjustable capper, self-stapling, lever : en fr
  • FR688954A - Improvements to telephone devices : en fr
  • CA303578A - Net : en fr
  • FR689079A - Alloy : en fr
  • DE506329C - Warning sign with a reflective background : de en
  • DK42857C - Coil sleeve for Submarine cables. : da en
  • GB319350A - Improvements in or relating to the manufacture of cast-iron grinding balls : en
  • FR688979A - Improvements to thermionic amplifiers for electric phonographs and similar devices : en fr
  • US1774792A - Attachment for draftsmen's drawers : en
  • DE506346C - Washing device that can be screwed onto a washing vessel : de en
  • DK42875C - Airplane wings. : da en
  • DK42884C - Steering bearing at Centrifuge. : da en
  • FR689163A - Hose clamp for sealing flexible and rigid pipes : en fr
  • US1774661A - Pulling device : en
  • DE506246C - Ball joint, in particular for transferring the movement of the steering wheel to the divided tie rods of the steering wheels with their ends rotatably arranged around a lever articulated on the vehicle frame : de en
  • DE506572C - Gas generator with smoldering shaft for bituminous fuels : de en
  • DE506495C - Sewing machine with a knife rod mounted on two swinging, parallel links : de en
  • DE506682C - Sealing plate for cylinder head cover of internal combustion engines : de en
  • DE506310C - Hand chain mortiser : de en
  • DE506374C - Device for the surface reduction of the oxide layer of metal-oxide rectifier plates : de en
  • FR689301A - Resilient wheel with shock absorber and brake discs for airplanes : en fr
  • GB334548A - An improved binder for training plants : en
  • FR689260A - Tool for driving the piles : en fr
  • FR689351A - Process for the simultaneous production of potassium salts and tricalcium phosphate : en fr
  • DK42867C - Device by Pass. : da en
  • FR688999A - Process for the manufacture of surgical articles : en fr
  • DE506658C - High-voltage transformer consisting of link transformers, especially instrument transformers : de en
  • FR689174A - Prepaid telephone mounting arrangement : en fr
  • USD81936S - Design foe : en
  • US1774658A - Fluid switch : en
  • US1774950A - Theater seat : en
  • CA303560A - Headlight reflector : en fr
  • ES119165A1 - A procedure for the manufacture of a new lifebuoy. : en es
  • FR36950E - Further training in engine or pump cylinders : en fr
  • FR688994A - Improvements to enamel coatings : en fr
  • GB334580A - Improvements in or relating to steering wheels : en
  • FR689192A - Airtight closing and locking device for vaporizers, and in particular for pocket vaporizers : en fr
  • DE506291C - Arrangement for simultaneous telegraphy and telephony with common forward and return lines : de en
  • FR688991A - Exhaust manifold for star engines : en fr
  • FR689023A - Traction mechanism for scrapers used in road construction and repair : en fr
  • FR689041A - Process for fixing nitrogen in the form of ammonia : en fr
  • FR689177A - Improvements to dump trucks : en fr
  • GB334578A - Improvements in or relating to telephone systems : en
  • GB334879A - Improvements in and relating to fur brushing and ironing machine : en
  • US1774829A - Safety razor : en
  • GR2900B - METHOD AND MACHINE FOR FINISHING THE POWER SUPPLY OF ENGINE EXPLOSION WITH THE NORMALLY USED SPIRIT, WHILE : el en
  • US1774599A - Culvert : en
  • US1774629A - Press for embossing : en
  • GB334249A - A process and double draft arrangement for spinning fibres : en
  • DE514330C - Device for folding or creping paper webs in the running direction : de en
  • ES118571A1 - Improvements in dry batteries. : en es
  • GB334360A - Improvements in and relating to apparatus used in connection with sound reproducing apparatus : en
  • GB334513A - Improvements in the means of securing the bottoms of conical paper containers : en
  • IE10687L - Tennis balls, etc. : en
  • US1774583A - Mechanism for applying brakes : en
  • FR689415A - Chrome removal bath : en fr
  • FR689417A - Improvements in cotton-type hosiery trades : en fr
  • GB334248A - Improvements in or relating to automatic or semi-automatic telephone systems : en
  • GB334342A - Improvements in exercising machine : en
  • US1774737A - Driving and stopping mechanism : en
  • US1774971A - Coupon-printing telegraph machine : en
  • DE506465C - Test for the clinical assessment of x-rays : de en
  • ES160U - Reformed board for electric meters. (Machine-translation by Google Translate, not legally binding) : en es
  • GB334492A - Improvements in and relating to timepieces : en
  • GB334538A - Exhaust silencer for internal combustion engines : en
  • ES119159A3 - A machine to till the land. : en es
  • DE506124C - Device for the introduction of pound cake in coke oven : de en
  • DE506408C - Process for the production of cardboard posters : de en
  • DE506445C - Process for the production of dampening roller covers for light, offset and stone printing : de en
  • DK42895C - Procedure and Apparatus for Treating Products Derived by Coking Coal. : da en
  • FR36921E - Telephone cable : en fr
  • US1774579A - Clock : en
  • US1775015A - Pressure-applying device for two or more concentric transformer windings : en
  • FR689299A - Device for suppressing disturbing high frequency oscillations in an electrical system : en fr
  • US1774530A - Pipe clamp : en
  • US1775072A - Assiqnob to general cable : en
  • DE506300C - Device for monitoring the vacuum in large-scale mercury vapor rectifiers, in which a gas discharge is generated in the vacuum to be monitored between two fixed electrodes, which is fed by a relatively high adjustable auxiliary voltage that is adapted to the desired size of the vacuum : de en
  • ES119221A1 - An industrial process consisting in the manufacture of carbon dioxide snow directly from the carbon dioxide produced in an installation of the last product and intimately linked with it. : en es
  • FR689077A - Arrangement of ranges in measuring instruments : en fr
  • DK42864C - Glassblowing machine. : da en
  • DK42882C - Wrapping machine. : da en
  • DE506276C - Process for the extraction of anhydrous and oxide-free chlorine magnesium from magnesite or rocks containing magnesite : de en
  • GB334364A - Improvements in the preparation of hypochlorites of alkali metals : en
  • DE506239C - Screw press for grapes, fruits, etc. : de en
  • ES119186A3 - a procedure for the manufacture of valves for all kinds of fluids. : en es
  • ES119247A1 - Improvements in the joining of sheets of flexible material. : en es
  • FR689253A - spiral branch pin : en fr
  • ES119232A1 - A new automatic balance. : en es
  • US1774528A - Power-distribution system : en
  • DE506544C - Generation and revitalization of active coal : de en
  • DK42873C - Method for Manufacturing Leather Mass Rollers for Offset and Stone Printing. : da en
  • GB334388A - Manufacture of alkali-ethylates : en
  • DE506326C - Gluing press for footwear : de en
  • DE506373C - Winding arrangement, in particular to enlarge the measuring range for measuring devices : de en
  • US1775052A - Treatment of petroleum oils and products derived therefrom : en
  • US1774871A - Apparatus for making articles of glassware : en
  • US1774652A - Sprayer : en
  • CA303643A - Stretching machine for leather and skins : en fr
  • GB334280A - Improvements relating to guards for electrical installations : en
  • FR689357A - Process for the production of sulfuric ester derivatives of fatty acids : en fr
  • FR689360A - Contact device for pocket and portable electric lights : en fr
  • US1774610A - Electrothermal treatment of cheese : en
  • US1774798A - Combined sorting and feeding machine : en
  • CA303687A - Zero correcting circuit : en fr
  • FR689055A - Coupling method for the reinforcement of the photoelectric currents during the feeling of the images : en fr
  • US1774712A - Process of making high-grade viscose products : en
  • US1774716A - Telegraph switching system : en
  • US1774958A - Electrical system : en
  • GB334835A - Improvements in or relating to hydro- or aero-dynamic oscillation systems and apparatus : en
  • FR689239A - Lithographic printing plate and process for its manufacture : en fr
  • GB334857A - Improvements in or relating to parting compounds for foundry moulds : en
  • DE506681C - Ashtray : de en
  • DK42860C - Skewed Front Plow for Motor Vehicles and the like. : da en
  • FR689364A - Improvements to television and similar apparatus : en fr
  • US1774787A - Safety service for railroad crossings : en
  • GB334313A - Improvements in or relating to apparatus for playing table and like games : en
  • GB334315A - Improvements in or relating to the extrusion of metal pipes and the like : en
  • GB334472A - Improvements in or relating to dinner waggons : en
  • GB316621A - Plant and machines for the manufacture of small round loaves : en
  • DE506578C - Patient transport device : de en
  • USRE17789E - Method of eye protection and means for practicing- the same : en
  • DE506013C - Lock on machine guns : de en
  • DE506278C - Process for the production of bile acids : de en
  • GB334377A - Improvements relating to the manufacture of ropes : en
  • US1774730A - Lock : en
  • US1775043A - Sign : en
  • USRE17790E - Camera sextant : en
  • DE506386C - Method and device for the continuous cooling of glass objects : de en
  • DE506591C - Control for compressed air motors : de en
  • CA303668A - Steam power plant : en fr
  • DE506496C - Lubricating device for sewing machine grippers : de en
  • DE506563C - Device for switching off parallel lines, in particular a cable divided into several conductors : de en
  • GB334285A - Improvements in or relating to sealed glass envelopes for incandescent electric lamps and the like : en
  • FR689292A - Mechanism to bring disabled carts up onto the sidewalks and to bring them down : en fr
  • FR689303A - Elastic and optional rigid seats : en fr
  • AU2448530A - Improvements in or relating to means for detecting frequency modulated energy : en
  • US1774618A - Change-speed device : en
  • DE506599C - Method and device for producing shafts in easily bendable materials : de en
  • DE506484C - Process for the manufacture of a selective soil sterilant from organic waste : de en
  • ES119210A1 - Improvements in the devices so that the trigger works in the artillery guns slowly. : en es
  • FR36912E - High voltage illuminated indicator light that can be used as a beacon : en fr
  • FR689249A - Advanced starter : en fr
  • GB334405A - Improvements in or connected with frame structures particularly suitable in aircraft construction : en
  • ES118126A2 - IMPROVEMENTS IN THE PATENT OF INVENTION NUMBER 117941 : en es
  • GB316937A - An improved photo-electric cell : en
  • GB334361A - Improvements in and relating to imitation leather having a natural grain and method for making such leather : en
  • GB314760A - Electromagnetic driving unit for loud-speakers : en
  • GB334463A - Improvements in caps for carbon electrodes : en
  • FR689250A - Improvements to loaders for locomotives : en fr
  • DE506262C - Closure for two-part container : de en
  • US1774911A - Anchor for wells : en
  • FR689040A - Process for manufacturing ammonium chloride crystals : en fr
  • GB313561A - : en
  • DE506593C - Storage for the friction rollers of friction wheel drives : de en
  • DE506232C - Coil drive for cinema sets : de en
  • USD81950S - Design por hosiery : en
  • US1774752A - Turbine spinning tongs : en
  • US1774934A - Outlet box and support : en
  • ES118807A3 - Rotary machine for two-ink printing on gummed paper. : en es
  • CA303669A - Article of metallic oxides : en fr
  • GB334484A - Improved method and apparatus for extracting castings from sand molds : en
  • ES119254A3 - Procedure for the industrial manufacture of alkali cyanides. : en es
  • FR689155A - Educational counter : en fr
  • GB334436A - Improvements in or relating to loose leaf binders or the like : en
  • CA303651A - Self-playing stringed instrument : en fr
  • ES119201A1 - Improvements in the random discharge tubes. : en es
  • ES118625A1 - A new procedure for the construction of seats in chairs, armchairs, sofas and rocking chairs. : en es
  • CA303679A - Cadmium plating : en fr
  • DE506062C - Type drum for office printing machines : de en
  • US1775054A - Wrist pin : en
  • USD81914S - Design for a handle for coffee makers : en
  • US1774719A - Multipole umbrella tent : en
  • FR689162A - Heat exchanger device : en fr
  • ES119240A3 - Fabric waterproofing procedure. : en es
  • GB317484A - Method for manufacturing hollow bodies of agglomerated material and machine for carrying out the method : en
  • GB334423A - A new or improved case or holder for cigarette or like packages : en
  • GB334481A - Improvements in or relating to cylinder covers for internal combustion engines : en
  • DE506438C - Process for the preparation of aromatic carboxylic acids and their substitution products : de en
  • US1774705A - Liquid cooler : en
  • US1774707A - Hypodermic needle guard : en
  • CA303529A - Aerial system : en fr
  • CA303590A - Amplification system : en fr
  • US1775062A - Airship : en
  • CA303497A - Steam pipe expansion joint : en fr
  • DE506320C - Sewing machine furniture for retractable sewing machines with work table extensions : de en
  • DE506353C - Regenerative heating and melting furnace with pulverized coal combustion : de en
  • DE506381C - Process for making chewing gum : de en
  • FR36719E - Catalytic manufacturing process for synthetic acetic acid : en fr
  • US1774765A - Throw dart and target for the same : en
  • US1775016A - Railway-traffic-controlling apparatus : en
  • CA303649A - Valve : en fr
  • DE506137C - Shirt blouse : de en
  • FR689300A - Improvements to telephone systems for long distance central offices : en fr
  • FR689438A - Process for the production of a silicate paint, resistant to hydrocarbons, humidity, heat and cold, as well as rust, for iron : en fr
  • US1774668A - Web-forming attachment for foundry patterns and the like : en
  • US1774997A - Elastic-fluid turbine and valve structure for use therewith : en
  • USD81918S - Field : en
  • US1774780A - Sheet-inserting mechanism : en
  • US1774669A - Intermittently-working refrigerator of the absorption type : en
  • US1775037A - Baking powder : en
  • GB334404A - Improvements in or relating to valve control apparatus : en
  • US1774750A - Searchlight : en
  • CA303510A - Apparatus for clearing out the wheels of agricultural tractors : en fr
  • CA303505A - Boiler brace : en fr
  • DE506692C - Zigzag sewing machine with a fabric slide that can be moved across the sewing direction : de en
  • ES118803A3 - Chassis for motor vehicles. : en es
  • ES164U - New license plate system for automobiles, consisting of interchangeable cards, on any metal frame. (Machine-translation by Google Translate, not legally binding) : en es
  • CA303495A - Operation of lime and dolomite kilns and furnaces : en fr
  • AU2189929A - Improvements in and relating to tools for truing valves and valve seats : en
  • CA303642A - Feed water heating plant : en fr
  • FR689386A - Process for the hydrogenation of coals : en fr
  • GB334308A - Improvements in or relating to advertising or display devices : en
  • US1774920A - Polarized push-pull electromagnetic unit and method of and apparatus for calibrating the flux thereof : en
  • GB334493A - Improvements in and relating to apparatus for producing sound : en
  • US1774745A - Insulating telephonic relay : en
  • US1774769A - Head-motion for concentrators : en
  • US1774917A - Lathe : en
  • US1774899A - Stemming apparatus : en
  • US1775006A - Machine tool : en
  • US1775042A - Separable fastener : en
  • CA303587A - Pile screwing apparatus : en fr
  • AU2301929A - Improvements in or relating to secondary batteries : en
  • US1774552A - Steam-boiler structure : en
  • DE506248C - Sharpening knives : de en
  • US1774614A - Cushioning device for presses : en
  • US1775022A - Tool for holding bushings for valve stems : en
  • US1774786A - Method of and apparatus for treating ores : en
  • US1774703A - Sand-blast device : en
  • US1774791A - Truck : en
  • DE506079C - Hand saw with chain saw band and power drive : de en
  • GB334853A - Improvements in the production and treatment of textile and other materials made of or containing cellulose derivatives : en
  • CA303696A - Synthetic resin : en fr
  • FR689135A - Improvements in the manufacture of artificial yarns, threads or filaments : en fr
  • FR689432A - Wheel for automobiles or other similar vehicles : en fr
  • CA303646A - Manufacture of linoleum : en fr
  • CA303630A - Serpentine refractory composition : en fr
  • USD81940S - Island : en
  • CA303594A - Flashlight : en fr
  • FR689053A - Weight used to hold a part of a garment properly taut, for example a soft shirt collar : en fr
  • GB334352A - Improvements in rubber toys and other inflatable bodies : en
  • DE506581C - Murphy bed : de en
  • DE506617C - Attachment of the foot ring to transport buckets made of aluminum, light metal, etc. like : de en
  • FR689318A - A method of preparing light sensitive paper : en fr
  • FR689009A - Improvements in the supply of textile materials : en fr
  • GB334519A - Improvements in or relating to electric discharge tubes : en
  • CA303670A - Apparatus for controlling at a distance the operation of toys : en fr
  • GB313955A - : en
  • DE506493C - Gripper drive for sewing machines : de en
  • AU2501830B - Combined sound and colour motion picture record : en
  • AU2385229A - Water tank for attachment to motor vehicles : en
  • CA303517A - Hat pouncing machine : en fr
  • FR36740E - Device for spraying auxiliary substances into vacuum tubes, for obtaining high emission cathodes : en fr
  • FR36934E - Device for rod riveting : en fr
  • FR689394A - Improvements to water heating systems : en fr
  • USD81911S - boesel : en
  • ES119259A1 - Procedure for obtaining a driving force coming out of explosives duly attenuated. : en es
  • FR689313A - Air Carburetor Fuel Gas Generator for Household or Industrial Use : en fr
  • FR689412A - Improvements to machines for introducing materials, more or less pasty, into containers, in particular those used for filling tubes for toothpaste or the like : en fr
  • FR689020A - Improved device for applying labels, or any other equivalent, to two or more sides of boxes, such as, in particular, matchboxes : en fr
  • FR689044A - Bottle closure : en fr
  • FR689075A - Indicator device for players : en fr
  • GB334494A - Improvements in and relating to ice-making apparatus : en
  • FR689028A - Filter fabrics : en fr
  • GB334469A - Improvements in and relating to bottles : en
  • GB334487A - : en
  • CA303541A - Surgical appliance : en fr
  • FR689022A - Signal-transmitting device particularly applicable as a driving direction indicator on automobiles : en fr
  • FR689002A - Rear light for cycles : en fr
  • FR689264A - Method and apparatus for reversing the deleterious effects of combustion engine exhaust gases : en fr
  • FR689383A - Advanced fastening device : en fr
  • FR689396A - Safety device for cufflinks : en fr
  • GB319334A - Improvements in balanced rudders for ships : en
  • DE506614C - Device for winding machines for automatic disengagement of the individual spindles : de en
  • DE506315C - Electromagnetically operated pump : de en
  • DE506494C - Double machine with crack knife : de en
  • FR36938E - Friction shifting : en fr
  • USD81928S - Hamill : en
  • CA303533A - Photomechanical printing process : en fr
  • CA303574A - Barking drum : en fr
  • DE506507C - Metal propellers, especially for aircraft, the wings of which are made of light metal and are reinforced by means of steel rods anchored in a steel base or in the hub : de en
  • FR689403A - Improvements to address making machines : en fr
  • GB334323A - Improvements in means for lowering and raising ships' boats : en
  • FR689354A - Spark plug hermetically sealed in its middle part and method of establishing it : en fr
  • DE506249C - Device for internal nailing of heels : de en
  • ES117782A1 - PROCEDURE AND DISPOSITION TO PROVIDE ESSENCE TO AIR PLANES : en es
  • FR689188A - Air distributor for heating or ventilation : en fr
  • FR689381A - Improvements to vaporizers : en fr
  • ES118889A2 - IMPROVEMENTS INTRODUCED IN THE PURPOSE OF PATENT NUMBER 116174 : en es
  • US1774628A - Manhole switch : en
  • ES119115A1 - A process for the preparation of oxide cathodes. : en es
  • ES119262A1 - A new device system for distributing horchatas, lemonades and, in general, all kinds of liquids. : en es
  • ES119268A1 - Improvements in the mobile comb looms. : en es
  • GB334418A - Improvements in and relating to processes of pickling metals and to materials used therefor : en
  • FR688975A - Structure with metallic coating for aircraft : en fr
  • FR689442A - Improvements to electric megaphones : en fr
  • US1774683A - Road indicator : en
  • FR689314A - Improvements to valve tubes : en fr
  • FR689332A - Improvements in boilers with tubular elements : en fr
  • GB316938A - Process for transporting and using liquefied gases of a low boiling point in closed pressure vessels : en
  • FR36917E - Improvements to stapling machines : en fr
  • FR688966A - Device for collecting the condensation water discharged by several heaters supplied with steam at different pressures : en fr
  • FR689434A - Pneumatic sandblasting and feeding devices : en fr
  • US1774573A - Process of making creped-paper-lined insulating material : en
  • US1775010A - Process for finishing shoes : en
  • ES119200A1 - IMPROVEMENTS IN SANITARY SIPHONS FOR LIQUIDS : en es
  • GB334417A - Improvements in or relating to bearings for the wheels of perambulators and like vehicles : en
  • DE506344C - Process for the control of systems of steam engines with wood grinder drives : de en
  • DE506549C - Three-color printing machine with several foundations that open and close at the same time and support the printing forms : de en
  • FR689316A - Rotation mechanism for cranes : en fr
  • US1774675A - Elevator for sucker rods and the like : en
  • US1774800A - Loading spout : en
  • US1774696A - Webbed bottom for seats : en
  • DE506426C - Device for stabilizing the excitation voltage circuit in cathode oscilloscopes : de en
  • US1774850A - Box fastener : en
  • US1774851A - Mailing tube : en
  • FR689353A - Improvements made to irrigation pumps : en fr
  • GB312926A - Improvements in and relating to braking means for spinning & twisting machines : en
  • GB334331A - Improvements relating to hand cases for luggage : en
  • GB334322A - Improvements in fuel pumps for heavy oil engines : en
  • GB334425A - A three-position indicating instrument for railway and like signalling : en
  • US1774525A - Tension-reel control : en
  • US1774898A - Method of tying bows : en
  • DE506330C - Signaling device : de en
  • DE506539C - Device for cleaning tissues : de en
  • DE506613C - Winding machine with a thread button device that moves along the workplaces : de en
  • US1774647A - Spring cover, spring sleeve, and lubricator : en
  • DE506324C - Device for bare grinding and sharpening of large and long knives of all kinds, especially sugar cane knives, plantation knives and the like. like : de en
  • DE506519C - Hanging spinning wing : de en
  • DK42880C - Machine for Treating Coats for their Introduction to Footwear. : da en
  • FR689156A - Automatic thresher gear : en fr
  • DE506461C - Underneath the wind grate with zoning : de en
  • ES118891A1 - PROCEDURE FOR SEPARATING A USABLE GASEOUS MIXTURE FROM THE GASEOUS ELEMENTS STILL DISSOLVED IN WATER UNDER PRESSURE ALREADY EXPPANSIONED AND USED IN THE WASHING OF GASES FROM COK OVENS FROM WATER GAS AND OTHER GASEOUS MIXTURES : en es
  • FR689007A - Process for producing images, designs, ornaments, etc., on surfaces composed wholly or in part of cellulose derivatives : en fr
  • DE506290C - Current collector roller running on ball bearings : de en
  • FR689226A - Improvements to assemblies comprising rubbing tools, such as smoothing, soaping or polishing devices, and more generally surfacing ice cream and ceramic items : en fr
  • FR689379A - Wheel for mining sedans or other similar wagons : en fr
  • GB334356A - Improvements in convertible seats or settees : en
  • FR689339A - Mounting of multiple electrode lamps with variable cathode potential : en fr
  • GB334346A - Improvements relating to retorts for the generation of oil gas : en
  • FR686918A - : fr
  • GB309042A - Improved process of refining mineral oils, brown coal tar oils, tars, waxes or the like : en
  • US1774551A - Combination bread and fruit cutting set : en
  • ES117U - A waterproof and inviolable seal for tin cans (Machine-translation by Google Translate, not legally binding) : en es
  • GB334545A - Improvements relating to speedometers : en
  • DE506303C - Method of operating an electric melting furnace : de en
  • GB313916A - Improvements in the thermostatic control of heat radiators : en
  • GB334479A - Automatic coupling for railway or the like vehicles : en
  • ES118981A1 - Procedure to improve the sliding properties of copper alloys. : en es
  • FR689182A - Blotter pad with blotting paper pad : en fr
  • FR689218A - Piston improvements : en fr
  • FR689423A - Device for adjusting and measuring the grinding pressure in Dutch piles and others : en fr
  • ES118578A1 - A procedure to improve the bread and dough breadmaking process. : en es
  • FR688963A - Method and apparatus for unwinding wire from a spool provided with a cheek : en fr
  • ES119172A1 - A process for the manufacture of special tablets for the instant preparation of carbonated soft drinks. : en es
  • FR689200A - Improvement in the manufacture of cellulose acetate : en fr
  • ES118467A2 - A PROCEDURE FOR THE MANUFACTURING OF STAMPED, RIBBED OR STRAINED GLASS IN THE FORM OF A CONTINUOUS SHEET : en es
  • FR689168A - Semi-metallic construction : en fr
  • FR689306A - Improvements in methods and apparatus for the transmission of signals simulating speech on high frequency carrier waves : en fr
  • FR689173A - Process for the production of a colored, lightfast glaze by means of artificial resins on cover plates, tiles, etc. : en fr
  • GB334467A - Method and device for making ribbed tubes with smooth ribs : en
  • GB334512A - Elevating mechanism for portable guns, in particular for heavy high elevation guns : en
  • DE506166C - Telephone system : de en
  • FR689282A - Lubricating oils : en fr
  • FR689003A - Measuring recorder device : en fr
  • GB334486A - Improvements in or relating to pendulum controlled lens apparatus : en
  • GB334515A - A new or improved drum dryer : en
  • DE506175C - Method for measuring active components of electrical quantities in both low-frequency and, in particular, high-frequency systems : de en
  • FR36902E - Improvements to vacuum brakes : en fr
  • US1774523A - Barium carbonate and sodium sulphydrate manufacture : en
  • US1774879A - Electric signal lamp : en
  • US1775003A - Bottle-washing machine : en
  • FR689085A - Improvements to electrodes used for arc welding : en fr
  • DE505995C - Process for the production of metallized paper or fabric : de en
  • DE506283C - Landing mark whose housing is loosely rotatably arranged on a fixed shaft or fixed on a rotatable shaft in the cylinder channel of a printing press : de en
  • DE506409C - Metal cloth for paper machines : de en
  • FR689151A - Apparatus for cleaning and washing bottles and in particular those having contained oil or liquid fatty substances : en fr
  • DE506557C - Device for adjusting the feedback in wireless receivers : de en
  • ES119244A1 - A procedure for obtaining a new metal. : en es
  • FR689317A - Method of manufacturing active electrodes for copper oxide AC rectifiers : en fr
  • ES119283A1 - A projector. : en es
  • FR689343A - Pallet ring for circular knitting machines : en fr
  • GB334528A - Improvements in signalling devices for use on vehicles : en
  • DE506293C - Device to prevent runaway and polarity reversal in compounded electrical machines : de en
  • ES119162A1 - PROCEDURE FOR SEPARATING CHLORINATION FROM MINERALS OR SUBSTANCES CONTAINING BERYLIUM, COMBINATIONS OF BERILIUM : en es
  • US1774511A - Shipping case : en
  • CA303509A - Combination road builder, ditcher and brush breaker : en fr
  • FR689274A - Process for separating oil from coal and oil mixtures : en fr
  • FR689033A - Improvements in the construction of water cooling towers : en fr
  • FR689235A - Automatic device for shooting : en fr
  • FR689323A - Brush shop upgrades : en fr
  • GB334330A - Improvements in bilge pumping arrangements : en
  • US1774782A - Soft-collar case : en
  • US1774921A - Method of heating the feed water of locomotives : en
  • DE505528C - Gliding device for self-ties or the like. : de en
  • DE506643C - Drive for devices for printing ampoules u. like : de en
  • US1774589A - Suction cleaner : en
  • CA303525A - Device for ventilating lath bundles : en fr
  • CA303515A - Collapsible tire rim : en fr
  • GB334310A - Improvements in or relating to socket holders for thermionic valves or other plug elements : en
  • IE12637L - Telegraphy : en
  • FR689233A - Hollow cable, specially intended for use in high voltage overhead lines : en fr
  • DE491606C - Machine for automatic capping and waxing of the charcoal sticks of dolls of electric dry batteries : de en
  • DE506104C - Device for actuating the drive of longitudinal slides on tool machines, in particular tool grinding machines : de en
  • US1774874A - Protective device : en
  • DE506535C - Stop piece for the drill collar in rock drill hammers : de en
  • GB318107A - Manufacture of vat-dyestuffs : en
  • US1774575A - Submarine wreck indicator and communicating device : en
  • US1774760A - Brake-magnet control device : en
  • US1774770A - Making shovel handles : en
  • US1774740A - Standpipe fitting : en
  • DE506679C - Weight drive for record speaking machines : de en
  • DE506678C - Double valve for gas meter with two measuring rooms : de en
  • FR689160A - Folding seat allowing the transformation of an ordinary seat into a child's chair : en fr
  • US1774508A - Abrading machine : en
  • ES119253A1 - A new system of device-apparatus to light nozzles in crops to protect them with their smoke against frost by temperature and time. : en es
  • GB334262A - Improvements in vacuum-jacketted flasks : en
  • FR689448A - Opening and closing device for refrigeration presses : en fr
  • GB334525A - Process and apparatus for making on a great scale and by mechanical means, threads, fibres, or wadding, with regenerated cellulose : en
  • US1774990A - Self-adjusting radius rod : en
  • DE506601C - Box : de en
  • US1774812A - Article of commerce and method of its production : en
  • US1774872A - Detergent and process of producing the same : en
  • IE10907L - Can testing machines : en
  • US1774715A - Artificial limb : en
  • US1774928A - Valve cage : en
  • FR689420A - Chi-ray installations : en fr
  • FR689158A - Refinement of flapper valves : en fr
  • US1774746A - Shoe stiffener : en
  • US1774857A - Limit switch : en
  • US1774555A - Resilient seat : en
  • US1775060A - Excavation multiple-section casing or cistern : en
  • US1774764A - Expansive reamer : en
  • GB334276A - Improvements in or relating to machines for handling, holding, or storing linoleum, carpets and other rolled goods : en
  • GB334324A - Improvements in or relating to electric lamp mountings for instrument panels or the like : en
  • GB334374A - Improvements in or relating to tills or receptacles for holding documents such as bank or treasury notes, letters, or other papers or for the like purpose : en
  • US1774702A - Shoe form : en
  • US1774908A - Hanger for sliding doors, gates, and other structures : en
  • DE506653C - High-speed engine or working machine, in particular an electric motor with a gas filling under excess pressure to prevent the penetration of the medium surrounding the machine and under fluctuating pressure into the machine : de en
  • US1774524A - Hat and clothes hanging device : en
  • US1774861A - Roofing element : en
  • US1775056A - Changeable exhibitor : en
  • US1775064A - Sound reproducer : en
  • DE506393C - Calculating machine with a slide that can be moved by a motor shaft : de en
  • US1774726A - Airplane construction : en
  • US1775067A - Process for treating petroleum hydrocarbons : en
  • CA303604A - Internal combustion engine : en fr
  • CA303634A - Needle making machine : en fr
  • US1775070A - Method of and machine for applying tape : en
  • USD81932S - Design fob a figure of a dog : en
  • US1774933A - Circuit-protecting device : en
  • US1774718A - Apparatus for bringing an unbalanced rotative body into alpha state of balance : en
  • USD81931S - Design for a figure of a dog : en
  • DE506576C - Tonoscillograph : de en
  • AU2238829A - Improvements in or relating to covering material and methods of decorating thesame : en
  • USD81935S - Design for a frame of a chair or settee : en
  • CA303674A - Filtration : en fr
  • AU2432229A - Vehicle hoist : en
  • US1774852A - Resistor and support therefor : en
  • CA303638A - Reversible seat or chair : en fr
  • DE506414C - Process for the production of prints, in particular maps with precisely stepped halftone colors : de en
  • GB334362A - Improvements in carbon manifolding packs and apparatus for use therewith in typewriters : en
  • US1774706A - Tone amplifier : en
  • ES158U - System of basins for washbasins. (Machine-translation by Google Translate, not legally binding) : en es
  • GB334419A - Improvements in or relating to printing on wool : en
  • US1774878A - Pipe hanger : en
  • US1774811A - Parachute opener : en
  • US1774868A - Toilet seat : en
  • FR689092A - Process for the preparation of 1.3-butylene glycol by hydrogenation of paraldol : en fr
  • FR689290A - Improvements to the processes of impregnating articles made of wood, fabrics, paper, cardboard or any other substance whatsoever, with varnishes of synthetic resins and application devices : en fr
  • DE506155C - Switching mechanism for the ribbon transmission on typewriters : de en
  • DE506418C - Insole : de en
  • DE506639C - Rotatable melting furnace for casting stereotype plates : de en
  • CA303632A - Mechanism for knitting split fabrics : en fr
  • FR689237A - Chairs, tables and similar furniture, capable of being stacked : en fr
  • GB334502A - Improvements in the manufacture of yeast : en
  • CA303599A - Sound amplifying horn : en fr
  • US1774533A - Utilization of greensand : en
  • DE506463C - Double edge device for flat weft knitting machines with take-off comb and push comb : de en
  • ES118711A1 - A DEVICE FOR CLASSIFYING PAPERS OR THE LIKE : en es
  • GB334277A - Improvements in and relating to a reversing gear for internal combustion engines : en
  • CA303592A - Malleable iron : en fr
  • CA303655A - Process of making zeolits : en fr
  • ES119252A1 - Hot drawing bench for seamless tubes. : en es
  • FR36940E - Apparatus for spraying varnish or other viscous or liquid products : en fr
  • GB312696A - Improvements relating to radio broadcasting systems : en
  • US1774790A - Liquid-dispensing apparatus : en
  • US1774636A - Electric lock : en
  • ES117910A1 - A new television system. : en es
  • ES119196A1 - Improvements in the joints or joints of chains and organs like that. : en es
  • US1774794A - Babbitting machine : en
  • DE506238C - Machine for forming and pre-pressing cakes from all kinds of oil seeds : de en
  • ES119114A1 - A process for the production of oxide cathodes. : en es
  • ES119179A1 - AN IMPROVEMENT IN COLORFUL FILM TAKING, FROM ALMA GOFRADA : en es
  • FR689068A - Mechanical pencil : en fr
  • FR688973A - Starting device : en fr
  • FR688977A - Aircraft tail : en fr
  • GB334326A - Improvements relating to steam heating apparatus : en
  • FR689397A - Armchair-cabin with bathroom : en fr
  • CA303503A - Commutator : en fr
  • FR689305A - Shortwave Receiver Systems Improvements : en fr
  • FR689078A - Improvements to starting devices for motors : en fr
  • FR689117A - Coat hanger : en fr
  • GB334353A - Improvements in photographic sound recording : en
  • GB334553A - Improvements in submarine cable conductors : en
  • ES118606A1 - Improvements in the provisions for fastening metal objects to rigid supports. : en es
  • FR689238A - Improvements in the manufacture of yeasts : en fr
  • ES119258A1 - A new procedure for the manufacture of a safety explosive. : en es
  • GB334366A - Improvements in stair rods and stair rod eyes : en
  • GB334552A - Improvements in fire extinguishing apparatus : en
  • GB334485A - : en
  • US1774768A - Flush tank : en
  • FR689032A - Improvements to vehicles on road or rail : en fr
  • FR689105A - Removable support for display with fixing means : en fr
  • US1774656A - Roller attachment for vehicles : en
  • AU2071929A - Improvements in and relating to formers for concrete building construction : en
  • FR689392A - Device for the construction of sheet metal chimneys in several sections or sections : en fr
  • FR689213A - Safety device for gas burners : en fr
  • ES118127A2 - IMPROVEMENTS IN THE PATENT OF INVENTION NUMBER 117941 : en es
  • ES119302A3 - A perfected device for sound cinematography installations. : en es
  • GB334384A - Improvements relating to portable sawing machines : en
  • DE506306C - Process for the production of a cleaning compound or soap containing kieselguhr : de en
  • DE506380C - Vehicle for patient transport with a stretcher : de en
  • US1774837A - Process for the deoxidation of molten metals or alloys : en
  • DE506498C - Method and device for coating small or powdery substances : de en
  • FR689008A - Alloy braze weld : en fr
  • DK42890C - Process for refining metals, in particular iron and steel. : da en
  • US1774882A - Process of recovering iodine : en
  • US1774927A - Household coffee urn : en
  • US1774734A - Air-heating furnace : en
  • ES119280A1 - A procedure for extracting wax from the residues of sugar cane. : en es
  • FR36942E - Batting apparatus : en fr
  • FR689418A - Carburetor improvements : en fr
  • GB314332A - Improvements in or relating to electric discharge devices : en
  • GB334445A - Improvements in or relating to modulating devices for changing the frequencies of electric currents : en
  • DE506332C - Device for the production of tubes or sleeves from fiber material : de en
  • DK42858C - Combined Raiser and Shaker. : da en
  • DK42869C - Apparatus for the Detection of Upper Diseases by Milking. : da en
  • DE506370C - Induction regulator : de en
  • DE506651C - Process for the production of electrical resistors : de en
  • DK42862C - Files. : da en
  • FR689067A - Friction pumps : en fr
  • FR36738E - Improvements in the manufacture of rubber articles : en fr
  • DE506481C - Device for dispensing adjustable amounts of liquid from a main line by means of a measuring vessel located in a branch flow : de en
  • US1774799A - Nipple for vitreous floats : en
  • US1775012A - Fluid-containing casing for electrical apparatus : en
  • CA303692A - Amusement device : en fr
  • FR689285A - Transparent banners : en fr
  • GB334458A - Process for the production of zinc salt solutions : en
  • GB334532A - Improvements in or relating to cinematographs : en
  • GR2901B - APPLIANCE TO AUTOMATICALLY TURN AND REVERSE BINDED AND UNBELN MUSIC SHEETS DURING PLAYING. : el en
  • DK42887C - Accounting apparatus without Transport. : da en
  • DE506564C - Consisting of two parallel bimetallic strips that bend to the same side when heated : de en
  • DE506235C - Device for non-stop cinema shows : de en
  • FR689270A - Flame guard for stove : en fr
  • GB334833A - Process for decolourizing hydrocarbon oils : en
  • FR689358A - Electric voltage indicator : en fr
  • FR689427A - Electric alarm clock : en fr
  • GB334286A - Changeable self-illuminating and reflecting sign device : en
  • FR689440A - Gas purification and fertilizer manufacturing process : en fr
  • GB334414A - Improvements in or relating to milking machines : en
  • DE506369C - Device for the protection of transformers, switches, motors, generators and similar apparatus : de en
  • DE506697C - Rotary lobe viscose pump with sickle-shaped working space : de en
  • FR689001A - Curlers manufacturing process : en fr
  • ES119208A1 - A process for regenerating wheats, pod fruits and the like with wet odors or stains. : en es
  • ES119307A1 - A device for the pressurized transfer of gas or compressed air of liquids, especially beer, contained in barrels, barrels or other containers. : en es
  • FR36930E - Pavement indicator plate : en fr
  • FR688951A - New shoemaking process and the shoe perfected by drifting : en fr
  • DE506456C - Device for electric incandescent lamp casings to assemble any pictures or letters : de en
  • FR689336A - Further development in the construction of roller bearings : en fr
  • GB307029A - Improvements in or relating to apparatus for labelling bottles : en
  • DE506264C - Clamping and locking device for iron bands to be placed around boxes, bales or the like : de en
  • DK42854C - Bracket-shaped Suspension device for cradle springs. : da en
  • ES119141A1 - A procedure that allows the preparation of potable and medicinal radioactive waters. : en es
  • AU2194729A - Improvements in and relating tothe manufacture of rubber articles : en
  • FR688970A - Lock enhancements : en fr
  • FR689310A - Improvements in the heat treatment of strips intended to constitute razor blades : en fr
  • US1774817A - Device for exhibiting pictures with colored scenery : en
  • FR689062A - Improvements in the electrical reproduction of sound from recording discs : en fr
  • FR689254A - Steering gear, in particular for automobiles : en fr
  • US1774641A - Crating means for conduits : en
  • US1774762A - Counter-controlled press-stopping device : en
  • US1774686A - Ore-treating apparatus : en
  • US1774910A - Apparatus for the production of dispersions of solids in liquids : en
  • DE506038C - Loose-leaf book with articulated book spine halves, each of which has a row of alignment pins and aids to enable one row to be moved with respect to the other row : de en
  • DE506531C - Device for automatic closing of the gas tap when the gas flame goes out : de en
  • DE506323C - Safety device on steering devices for motor vehicles : de en
  • DE506359C - Method for the cementless fastening of the knobs in insulators : de en
  • ES119241A1 - Improvements in the manufacture of rubber floor footwear. : en es
  • FR689321A - Curved mirror torsiodynamometer : en fr
  • US1774697A - Dirigible spotlight for automobiles : en
  • DE506462C - Combustion chamber for finely divided fuel, preferably freely U-shaped from above : de en
  • DE506669C - Process for welding and soldering with in particular electrically generated radiant heat : de en
  • ES119239A1 - Improvements in the apparatus intended for the transmission and reception of sound waves under pressure through masses of liquids, and from the liquids themselves. : en es
  • FR688985A - Improvements to discharge tubes : en fr
  • FR689224A - Broom mount : en fr
  • GB334468A - An improved direction indicator for use on motor and other road vehicles : en
  • CA303637A - Method of coating surfaces with hard covering : en fr
  • CA303672A - Rear view mirror : en fr
  • CA303682A - Alternating current motor : en fr
  • FR689326A - Improvements to watches with metal sheath : en fr
  • FR689328A - Pressure tank for gasoline or petroleum steam stoves : en fr
  • CA303602A - Welding electrode : en fr
  • AU2200629A - A method of and means for fastening down rails : en
  • GB334336A - Improved manufacture of road surfacing materials : en
  • ES119157A1 - A process for the preparation of dyes containing chromium. : en es
  • FR36949E - Electrically heated device for making a permanent wave of hair : en fr
  • GB313052A - Porous rubber for filtering and absorbing purposes : en
  • GB313517A - Improvements in or relating to abrasive wheels : en
  • GB334228A - Production of compounds from propylene : en
  • CA303569A - Resilient tire : en fr
  • CA303593A - Explosive : en fr
  • DE506668C - Electric welding machine for performing the burn-off process : de en
  • US1774678A - Pipe-anchor device : en
  • CA303616A - Line space mechanism for billing machines : en fr
  • US1774501A - Mechanical movement : en
  • CA303683A - Electrical fire alarm : en fr
  • CA303494A - Closure for bottles, jars, etc. : en fr
  • US1775024A - Circuit-continuing device : en
  • DE506391C - Switching device for simultaneous or successive reproduction of several phonetic carriers : de en
  • ES119229A1 - A process for the manufacture of shortenings derived from olive oil. : en es
  • FR689172A - Blue dyes with tank dyeing : en fr
  • CA303644A - Process and apparatus for purifying and aging spirituous liquors : en fr
  • DE506271C - Paper carriage switching device for typewriters : de en
  • US1774649A - Method of making paving material : en
  • AU2016529A - Electrolyser with collecting block : en
  • CA303499A - Marcel hair waver : en fr
  • CA303514A - Valve stem and adapter : en fr
  • CA303563A - Pressure-maintaining valve mechanism : en fr
  • US1774611A - Treatment of hydrocarbons : en
  • US1774725A - Means of carburetion : en
  • CA303570A - Mould : en fr
  • US1774587A - Visor attachment for industrial eye shields : en
  • FR689232A - Clevis and pivot insulator : en fr
  • DE506608C - Leak plug : de en
  • DE506634C - Process and device for the production of hydrochloric or hydrobromic acid : de en
  • FR689445A - Non-slip rubber manufacturing process : en fr
  • CA303641A - Process of making steel insensible to the action of hot gases and vapours : en fr
  • US1775075A - Friction-testing device for rotating members : en
  • DE506698C - Side controls for kites consisting of several surfaces arranged one behind the other : de en
  • CA303608A - Induction furnace : en fr
  • US1774839A - Brick crate : en
  • US1775040A - Cleanser : en
  • USD81917S - William h : en
  • CA303559A - Hydraulic packing : en fr
  • US1774863A - Carrier : en
  • CA303511A - Container : en fr
  • DE506482C - Coin gas meter in which the automatic mechanism is separated from the point at which the gas inlet pipe enters the gas meter mechanism : de en
  • FR689291A - Improvements made to the processes for obtaining cellulose, starting from wood, straw, fodder and other plants, in particular those which are difficult to treat by the ordinary sulphite process : en fr
  • GB313522A - Improved manufacture of artificial zeolites : en
  • GB334239A - Improvements in and relating to coin-detecting mechanism for automatic vending machines : en
  • GB334530A - Mechanism for separating and feeding carton blanks : en
  • CA303530A - Mining cartridge : en fr
  • CA303535A - Carbureter : en fr
  • US1774947A - Food trough : en
  • US1775013A - Shoe lace and fastening therefor : en
  • USD81942S - Desigsf foe a sweater : en
  • CA303583A - Boiler drum : en fr
  • DE506636C - Process for the preparation of montan wax-like products : de en
  • CA303502A - Exhaust silencer for aircraft motors : en fr
  • ES118351A1 - A procedure for obtaining effects of relief and perspective in ordinary photographs and drawings. : en es
  • FR36914E - Improvements to automatic precision dies : en fr
  • AU2340329A - Improved bottle : en
  • CA303544A - Airship : en fr
  • US1774865A - Blowpipe apparatus : en
  • US1774883A - Method of producing mercury : en
  • US1774536A - Process and arrangement for manufacturing open-end and open-side envelopes from paper or similar material : en
  • ES119164A1 - Device consisting of a single combined plow. : en es
  • FR689016A - Improvements to footwear, shoes, and other similar items : en fr
  • FR689344A - Method and device for manufacturing anodes for dry electric cells : en fr
  • FR689350A - Improvements to window frames and their closure : en fr
  • AU2509230B - Improvements in and relating to visible indexes : en
  • CA303532A - Preserving device : en fr
  • FR688995A - Improvements to valves for pneumatic tires : en fr
  • US1774967A - Piston for slush pumps : en
  • FR36926E - Spark plug for internal combustion engines : en fr
  • FR689269A - Method and apparatus for the treatment of household gases, waste gases and the like : en fr
  • GB334473A - : en
  • IE11424L - Drying grass : en
  • ES119284A1 - A projector for headlights. : en es
  • FR689380A - Improvements made to electric organs : en fr
  • GB312942A - Improvements in kilns or ovens for firing pottery, earthenware and the like : en
  • FR688972A - building element : en fr
  • GB318148A - Improvements in means for starting and stopping internal combustion engines : en
  • DK42881C - Saddle digging machine. : da en
  • DE506443C - Process for the preparation of organic auromercapto acids : de en
  • US1775053A - Transformer core : en
  • ES118373A1 - A process for manufacturing an inflatable starch usable as a glue for painters. : en es
  • FR689058A - Rolling process improvements for wide flange gutter irons : en fr
  • FR689096A - Advanced hunting device : en fr
  • GB334235A - Improvements in or relating to electrical plunger-contacts such as used in lamp-holders : en
  • GB334400A - An improved ball float cock : en
  • FR689449A - Method for starting asynchronous machines with or without an auxiliary machine with a manifold : en fr
  • CA303550A - Concentrically expanding brake : en fr
  • CA303621A - Radio-telegraph-keying system : en fr
  • US1774578A - Universal joint : en
  • US1774594A - Lawn mower : en
  • DE506626C - Process for the production of iron-free aluminum salt solutions : de en
  • DE506517C - Process for grinding abrasives : de en
  • FR689107A - Automatic photography camera : en fr
  • GB334348A - Improvements in or relating to circular knitting machines : en
  • FR689123A - Continuous production press for the pasta industry and similar industries : en fr
  • US1774602A - Art of cracking hydrocarbons : en
  • FR689390A - Perfume spray : en fr
  • ES119170A2 - EXTENSIONS IN THE OBJECT OF THE MAIN PATENT NUMBER 115475 : en es
  • DE506260C - Double jar for bronze powder and bronze tincture : de en
  • DE506441C - Process for the preparation of Dinitrohalogenarylene : de en
  • CA303702A - Integrating mechanism for measuring instruments : en fr
  • FR689367A - Top-plane airplane wings without rammer : en fr
  • AU2524030A - Improvements in rotary tipplers : en
  • DE506524C - Folding machine : de en
  • DE506648C - Separator for electrical collectors : de en
  • GB334347A - Improvements in and relating to measuring apparatus for rolled material : en
  • DE506433C - Door lifting device with cake guide : de en
  • ES119223A1 - An improvement in the cylinders of the frame, roving frame and spinning machines, for the stretching of textile fibers. : en es
  • DE506616C - Safety lock for steel band, band iron or the like wrapped around boxes or similar containers : de en
  • FR689103A - Clutching and declutching device for dictation machines and similar apparatus : en fr
  • GB334380A - A process for producing pitch and like material from tar : en
  • ES119174A3 - A process for the manufacture of corrugated sheet doors or closures. : en es
  • ES119171A3 - An automatic scale. : en es
  • FR689140A - Method and apparatus for storing and dispensing materials : en fr
  • GB334278A - Improvement in and relating to by-pass conduits for fuel pumps : en
  • US1774978A - Position brake for sewing machines : en
  • DE506620C - Clamping and locking device for band iron tires of boxes and. Like packages : de en
  • DE506470C - Glass blowing machine : de en
  • FR36910E - Slow-running fusible plug in the event of an overload and guaranteed in the event of a short circuit : en fr
  • FR36935E - Improvements in the treatment of cellulosic materials : en fr
  • FR689293A - Friction Couplings Improvements : en fr
  • GB334523A - Improvements in or relating to ordnance : en
  • ES119237A1 - Acetification of cinematographic films. : en es
  • ES119264A1 - An improvement in the manufacture of carpets, carpets, mats and similar articles. : en es
  • FR689315A - Variable pitch propeller improvements : en fr
  • DE506499C - Powder removal machine for sugar bodies : de en
  • FR689201A - Improvements to printing machines : en fr
  • DE506522C - Production of highly active coal : de en
  • DE506562C - AC protection relay : de en
  • GB334287A - Improvements in metal spars for aircraft : en
  • GB334503A - Improvements in or relating to power transmission mechanism : en
  • GB314983A - Automatic disengaging device for lapping or taping machines : en
  • GR2899B - OIL PUMP PUMP FOR BOXES (LUBRICATER) AUTOMATIC LUBRICATION OF BEARINGS. : el en
  • DE506472C - Method and device for the production of an endless glass ribbon : de en
  • DE506571C - Process for degassing metal masses in electrical discharge vessels : de en
  • FR689099A - Improvements in electric motors for machines intended for spinning artificial silk or similar machines : en fr
  • DE506683C - Hose connection : de en
  • CA303601A - Non-magnetic ferrous alloy : en fr
  • FR36943E - Improvements in typewriters and calculators : en fr
  • US1774729A - Regulating device for multicylinder explosion motors : en
  • US1774977A - Molding apparatus : en
  • US1774742A - Support for connection cords of electric irons : en
  • US1774846A - Metallic fastener : en
  • AU2198229A - Improvements in systems for conveying liquids : en
  • FR689407A - Refrigerated cabinet : en fr
  • DE506292C - Device for switching transformers for electricity consumers, for example power supply units for different AC mains voltages : de en
  • DE506460C - Electrical heating resistor with a ceramic carrier provided with longitudinal ribs or a longitudinal bar for the heating wire : de en
  • US1774617A - Razor : en
  • US1774821A - System of recording vibrations and reproducing same : en
  • FR689227A - Strapping machine : en fr
  • GB334339A - Improvements in taximeters : en
  • GB334264A - Improvements in or relating to selective indicating mechanism : en
  • DK42848C - Impulse transmitter of the Finger Disc type. : da en
  • FR689124A - Improvements made in the construction of transmission belts : en fr
  • FR689125A - New cistern : en fr
  • GB334343A - Improvements in rotary air compressors : en
  • DE506115C - Flexible copier pen : de en
  • FR689004A - Boiler for heating hydrocarbons : en fr
  • FR689060A - Machine for skin secretion : en fr
  • FR689410A - Improvements in processes for obtaining condensation products : en fr
  • AU2520530B - Improvements in electric connectors for electrically operated appliances : en
  • ES118930A2 - IMPROVEMENTS INTRODUCED TO THE OBJECT OF PATENT NUMBER 117897, BY A PROCEDURE FOR THE MANUFACTURE OF FOOTWEAR WITH RUBBER SOLE : en es
  • FR689206A - Process for the manufacture of aluminum-based alloys intended for foundry : en fr
  • DE505525C - Artificial silk spinning machine with bobbin carriers that can be switched by 180Ò : de en
  • DE506672C - Conveyor roller for hot glass plates : de en
  • US1775017A - Electric fluid-heating apparatus : en
  • FR689195A - Folding umbrella : en fr
  • DE506625C - Woodworking tool with hatchet and saw blade : de en
  • FR689424A - Process for extracting rubber from the latex of plants other than so-called rubber trees and creepers : en fr
  • DE506559C - Process for the production of a cementless connection of the bolt with the body of an electrical insulator using spherical intermediate pieces : de en
  • DE506659C - Switching device for transducer : de en
  • GB334452A - Improvements in transmission gear : en
  • GB334524A - Improvements relating to automatic telephone systems : en
  • GB334550A - Improvements relating to machines for setting projectile fuzes : en
  • US1775065A - Check damper : en
  • FR689070A - Synthetic rubber-like substance : en fr
  • FR689422A - Improvements to gearshift and gearshift devices : en fr
  • US1774507A - Process of concentrating aqueous chloracetaldehyde solutions : en
  • US1774891A - Feed binder : en
  • DK42859C - Procedure and Device for Removing Solvents from Evaporators in Absorbent Refrigeration Machines Periodically Working with Liquid Mixtures. : da en
  • FR689304A - Improvements to electrical signaling systems : en fr
  • FR689231A - eyeshadow case : en fr
  • ES118635A1 - IMPROVEMENTS IN AND RELATED TO WEIGHING APPLIANCES : en es
  • FR689035A - Control relay : en fr
  • FR689175A - Automatic control change mechanism for width dyeing machines with fabric return stroke : en fr
  • GB334350A - Improvements in or relating to mounting cone diaphragms of loud speakers and the like : en
  • FR36909E - Improvements to brabant plows : en fr
  • FR36919E - Metal framework of standardized houses : en fr
  • FR689196A - Book Shaped Piggy Bank Improvements : en fr
  • GB334539A - Improvements in apparatus for drying sheets of paper and the like : en
  • GB334311A - Improvements in or relating to beds : en
  • FR689398A - Scissor Shaped Salad Cover : en fr
  • GB334392A - Improvements relating to coal and other mineral sorting apparatus : en
  • GB334275A - Spacing machine for sewing seeds : en
  • US1774606A - Collar fastener : en
  • ES119266A1 - Improvements in pipe joints. : en es
  • FR688955A - Improvements to fluid brake equipment : en fr
  • GB315224A - Improvements in carburettors : en
  • FR689167A - Device for suppressing glare caused by headlights : en fr
  • FR689430A - Development of cable brake control levers for bicycles : en fr
  • IE11185L - Coin freed machines : en
  • USD81909S - Island : en
  • DE506567C - Thermal release in connection with a magnetic quick release for triggering automatic switches : de en
  • DE505879C - Washing machine with circulation pump : de en
  • DE506302C - Plate with electric heating and liquid cooling : de en
  • DE489529C - Roll-up letters, numbers or characters that are carried by an aircraft : de en
  • DE506189C - Device for folding up the throwing shovel in the shear neck for mechanical grate feeder : de en
  • ES119155A1 - A method of preparing a plastic material for construction and decoration. : en es
  • USD81912S - Design for a stand for coffee makers : en
  • FR689266A - Reinforced concrete bridge deck : en fr
  • FR688967A - Improvements in processes for preparing palladium, silver and copper alloys and products obtained : en fr
  • GB334279A - Improvements in or relating to telephone systems : en
  • FR689081A - Brush, its method of manufacture and own machine to manufacture it : en fr
  • CA303671A - Water-feed control for humidifiers : en fr
  • CA303676A - Heater element for permanent waving of hair : en fr
  • US1774613A - Elastic corset : en
  • CA303571A - Apparatus for shaping the millstones for rectifying gear teeth : en fr
  • US1774869A - Ratchet-bar-actuating mechanism : en
  • DE506362C - Process for the production of high-value resistors : de en
  • US1774827A - Trussed structure : en
  • US1774895A - Skip conveyer : en
  • US1774940A - Coloring walnut veneer sheets : en
  • USD81949S - Harley h : en
  • US1774504A - Separation apparatus : en
  • US1774900A - Rotary duplicator : en
  • US1774818A - Differential pump : en
  • US1774685A - Control valve : en
  • US1774535A - Aerial bomb or flare : en
  • FR689110A - Control device in reactive induction energy measuring instruments : en fr
  • SE70119C1 - Method for preparing a mixture of ammonium nitrate and ammonium sulphate in granular form : en sv
  • DE504739C - Device for compounding gas-filled or vacuum rectifiers : de en
  • DE506552C - Automatic sheet delivery device for platen printing presses : de en
  • DE506595C - Gearbox with gear ratio depending on the rotation path : de en
  • GB334334A - Improvements in garment hangers : en
  • GB334306A - Improvements in or relating to brake mechanism for vehicles : en
  • US1774954A - Dental amalgam mixer : en
  • DE506218C - Lube oil filters for internal combustion engines : de en
  • US1775045A - Latch needle : en
  • DE506514C - Device against backward movement of motor vehicles : de en
  • DE506649C - Device for the simultaneous production of a plurality of soldering points : de en
  • DE506516C - Grinding threads : de en
  • DE506467C - Device on hospital beds for self-erecting the sick : de en
  • GB312692A - A power condenser employed in particular for automatic phase regulation : en
  • FR689088A - Improvements available to welded locations in the welding of flanges on laminated casings or the like : en fr
  • GB334272A - An improved device for fastening, raising and lowering window sashes : en
  • DE506453C - Adjustment device for arc lamps : de en
  • CA303528A - Wireless telegraphy and telephony and aerial system : en fr
  • DE506357C - Directional antenna arrangement : de en
  • US1774936A - Auto tire lock : en
  • CA303665A - Machine for making plated fabrics : en fr
  • GB314522A - Improvements in and relating to lead alloy for electric cable, sheaths and other purposes : en
  • GB334301A - Improvements in electric fuses : en
  • FR688988A - Pin contact device with switch actuated by turning the plug : en fr
  • FR689284A - Articulated support for handles of forks or spades : en fr
  • FR689308A - Improvements in welding processes and equipment : en fr
  • GR2903B - PERFECTIONS IN THE INDUSTRIAL MANUFACTURE OF ARTIFICIAL LEATHER. : el en
  • ES119204A1 - A new physical-chemical procedure by means of which vegetable oils, and especially olive oils, are suitable for greasing in general, as substitutes for mineral oil in this application. : en es
  • FR688976A - Aircraft control station : en fr
  • FR689439A - Folding bicycle : en fr
  • DE506316C - Power switch for control devices in which a liquid or gaseous medium flows out through a nozzle : de en
  • US1774522A - Earth-boring drill : en
  • US1775058A - Outlet-box support : en
  • US1775080A - Tire-building apparatus : en
  • CA303605A - Process of pyrometallurgically refining and casting copper : en fr
  • GR2906B - CONNECTION DEVICE OF A TELEPHONE MACHINE AFTER THE SUBSCRIBERS OPERATING COMPULSORY NUMBER. : el en
  • DE506635C - Process for the decomposition of potassium magnesium carbonate double salts : de en
  • US1775000A - Portable grinding and milling machine : en
  • US1774711A - Cylinder-grinding tool : en
  • US1774543A - Vanity case : en
  • US1774642A - Draft excluder : en
  • CA303586A - Piston : en fr
  • FR689377A - Process for the ozone treatment of textile fibers and fabrics, in particular linen : en fr
  • DE506073C - Process for the preparation of azo dyes which are insoluble in water : de en
  • DE506243C - Car roof : de en
  • FR689421A - Removable cover for jars of mustard or other similar containers : en fr
  • ES118963A1 - Improvements in the safety and commissioning devices of free-piston motor-compressors. : en es
  • ES119187A1 - An improvement in towels, sanitary napkins, diapers, bathrobes and kitchen towels. : en es
  • FR689148A - Actuation device for high speed mechanism in automobiles : en fr
  • FR689199A - Electromagnetic control device for selector switches and other applications : en fr
  • AU2135829A - Automobile headlight : en
  • FR36903E - Process for obtaining bias-cut ribbons : en fr
  • US1774600A - Art of cracking hydrocarbons : en
  • US1774651A - Baking oven : en
  • US1774588A - Air cleaner : en
  • US1774824A - Method of working metal : en
  • ES118533A2 - A system of metal propellers with changeable blades, adjustable by hand on land. : en es
  • CA303698A - Synthetic resin : en fr
  • US1775066A - Watch and golf score : en
  • BE373149A - : en
  • DE506542C - Production of nitrogen oxide from ammonium nitrate : de en
  • DE505894C - Steam boiler : de en
  • DE506399C - harmonica : de en
  • US1774645A - Apparatus for reducing interference : en
  • US1774502A - Blacking machine : en
  • US1774885A - Antiskidding device : en
  • US1774572A - Valve for rock drills : en
  • USD81920S - Design for a counter fixture : en
  • US1775034A - Intermittent thread-cutting loom temple : en
  • DE506611C - Electric single leaf drive : de en
  • DE506257C - Burglar or fire alarm system : de en
  • DE506267C - Channel stage dryer : de en
  • DE506430C - Device for enrichment of the excavated material in tunnel and shaft construction : de en
  • DE506640C - Rubber print frame : de en
  • DE505960C - Process for the production of rubber objects with decorative stripes : de en
  • FR689324A - Device for roasting and agglomeration of ores : en fr
  • FR689387A - Transformer for taking two-phase currents from a three-phase network : en fr
  • DE506036C - Process for the production of flexible corrugated pipes : de en
  • DE506523C - Cast metal tub : de en
  • DK42891C - Razor. : da en
  • CA303575A - Obstetrical sheet : en fr
  • FR689137A - Knife blade improvements : en fr
  • DE506296C - Short-circuit proof registering ammeter : de en
  • CA303562A - Housing for gear chains : en fr
  • CA303547A - Accelerator for the vulcanization of rubber : en fr
  • GB334378A - Laminated glass and process of producing it : en
  • US1774896A - Vibrator for molds : en
  • US1774670A - Landing and launching ways : en
  • DE506633C - Washer with electrically driven fan : de en
  • DE506225C - Rear derailleur : de en
  • FR689109A - Triarylmethane dye lake : en fr
  • GB334415A - Improvements in and relating to devices for operating flushing valves : en
  • ES118799A3 - A device for collecting sweeps and other debris. : en es
  • FR689045A - Process for making parts cast in two different metals, one of which forms a core and is coated by the other : en fr
  • GB334459A - Improvements in wooden pulleys : en
  • GB334255A - Improvements relating to apparatus for physical exercise : en
  • FR687301A - Production of new cellulosic derivatives : en fr
  • GB334375A - Improvements in or relating to power generating systems particularly applicable to propulsion of vessels : en
  • DE506385C - Device for the production of ornamental glass by excavating an uninterrupted glass ribbon from the melt : de en
  • DE506424C - Production of activated carbon : de en
  • GB334396A - Improvements in rotary sewage distributors : en
  • FR688953A - Tire brushing method and device : en fr
  • CA303518A - Brick-handling apparatus : en fr
  • US1775026A - Cone-trimming machine : en
  • DK42879C - Arrangement of the installation for shooters and weapons in fast-moving vessels, in particular airplanes. : da en
  • US1774733A - Angle piece for dental purposes comprising alpha handle sleeve : en
  • CA303582A - Inner tube : en fr
  • FR688956A - Improvements to lubrication devices : en fr
  • CA303522A - Refrigerator : en fr
  • CA303677A - Battery for flashlights : en fr
  • CA303565A - Cooler for cakes and food stuffs : en fr
  • DE505620C - Circuit arrangement for counting connections in telephone systems : de en
  • DE506355C - Damping network or line extension with distortion : de en
  • DE506590C - Fuel injection pump for internal combustion engines : de en
  • CA303650A - Valve : en fr
  • CA303635A - Purification of wood sugar : en fr
  • US1774653A - Waxwork, robot, and like figures : en
  • CA303603A - Large-high-speed rotor : en fr
  • CA303549A - Draft gear : en fr
  • US1774510A - Method of refining pigments : en
  • US1774657A - Brake-actuating mechanism : en
  • CA303609A - Draft controller : en fr
  • CA303653A - Crushing machinery : en fr
  • US1774545A - Apparatus for compressing and assembling coiled springs : en
  • FR689388A - Improvement in automatic tipping platforms : en fr
  • CA303552A - Portable crane : en fr
  • US1774859A - Combustion baffle : en
  • US1774943A - Storage tank for oils : en
  • US1775029A - Intermittent drive for endless conveyers : en
  • CA303551A - Tap : en fr
  • FR689384A - Energy transformer device : en fr
  • US1774731A - Draftsman's protractor : en
  • US1774567A - Self-aligning, self-adjusting battery-terminal scraper : en
  • US1775020A - Float switch : en
  • US1775048A - Centrifugal clothes drier : en
  • DE506343C - Extraction of zinc from low-zinc alkalis of chlorinated roasted ores : de en
  • FR688957A - Improvements to pipe support devices : en fr
  • GB334341A - Improvements in or relating to wireless direction finding systems : en
  • US1774638A - Hand signal lamp : en
  • US1774643A - Apparatus for handling freight : en
  • FR36925E - Improvement to tubes for liquid glue : en fr
  • GB334244A - Improvements in or relating to fluid pressure operated control systems and relay apparatus : en
  • US1774646A - Tube adapter : en
  • US1774968A - Rail-anchoring means or spike lock : en
  • CA303501A - Safety device for aeroplanes : en fr
  • US1774747A - Machine for use in the manufacture of stitch-down shoes : en
  • US1774999A - Method of heat treating nitrided articles : en
  • ES119282A1 - A lighting installation for airport landing fields. : en es
  • FR689056A - Bevel gear transmission device for grain mills and others, with mechanism to vary the distance between the grinding wheels during the operation of the machine : en fr
  • FR689207A - Bolometric resistance bridge : en fr
  • GR2905B - MACHINE FOR PRODUCTION OF MOTOR POWER. : el en
  • CA303591A - Photo-electric cell : en fr
  • US1774849A - Hard alloy for tools and the process for their production : en
  • US1774816A - Crucible for aluminothermic reactions : en
  • US1774608A - Asphalt filler : en
  • US1774778A - Inking system for printing presses : en
  • US1774701A - Expanding reamer : en
  • US1774833A - Power punch : en
  • USD81941S - Design for a box : en
  • ES118950A1 - Improvements in machines to smooth cylinders. : en es
  • DE506432C - Process to protect wool against bacterial damage : de en
  • ES119195A2 - A PERFECTED PROCEDURE FOR THE MANUFACTURE AND PREPARATION OF THERMOPLASTIC PRODUCTS BASED ON FATTY OILS : en es
  • FR689100A - Tracked vehicles with at least three tracks or tracks : en fr
  • GB307497A - Improvements in rotary pumps or motors : en
  • GB334284A - Improvements in or relating to couplings for hose pipes and the like : en
  • US1774561A - Piston-ring tool : en
  • CA303513A - Zinc oxyde manufacturing device : en fr
  • CA303662A - Fibrous composition : en fr
  • DE506322C - Device for the optional recording of two-color and stereoscopic cinema recordings : de en
  • FR36941E - Release device for single-acting reciprocating pump : en fr
  • FR689165A - Method of heating metals and other electrically conductive bodies, with a view to fusion, welding, incandescence, etc. : en fr
  • DE506313C - Ashtray with a water chamber : de en
  • DK42878C - Pump or compressor with rotating impeller for liquids, gases or mixtures of such substances. : da en
  • US1774537A - Thermostatic valve : en
  • US1774509A - Electric mixer : en
  • US1774553A - Paper-making machine : en
  • US1774591A - Lacing machine and method of lacing skeins : en
  • USD81919S - Design : en
  • ES118617A1 - A refrigerating appliance of the intermittent cycle absorption type. : en es
  • FR689037A - Caliper suspension for vehicle subframe springs : en fr
  • FR689241A - Lighters improvements : en fr
  • US1774634A - Steering gear : en
  • US1774616A - Rope guide : en
  • AU2516330A - Method of treating rubber compounds : en
  • FR688964A - Process for the preparation of arylacetic acids and their derivatives : en fr
  • FR689076A - Sports apparatus : en fr
  • CA303695A - Check protecting device : en fr
  • US1774689A - Material for contact points and the like : en
  • USD81938S - Design for a plate : en
  • US1774563A - Metal blank or billet : en
  • GB334299A - Improvements in or relating to high tension electric cables : en
  • CA303545A - Hair waving apparatus : en fr
  • CA303673A - Reheater : en fr
  • DE506686C - Thread cutting machine with two support bars for guiding one or more slides each holding a workpiece or tool by means of a clamping device : de en
  • GB334876A - Improvements in the manufacture of adhesives : en
  • US1774772A - Double-deck driving arrangement for printing presses : en
  • US1774932A - Production of iron-oxide pigments : en
  • US1774806A - Transmission gearing : en
  • US1774964A - Electrode for the electric arc : en
  • US1775044A - Tool handle : en
  • US1774843A - Transmission mechanism : en
  • US1774620A - Preparation of shoe uppers : en
  • US1774993A - System and apparatus for making cutter bits : en
  • ES119305A3 - A procedure for waterproofing textile fibers. : en es
  • US1774919A - Automobile radiator ornament : en
  • US1774955A - Gas holder : en
  • US1775036A - Dehydrator : en
  • USD81916S - Design for a shoe sole or similar article : en
  • US1774682A - Door latch : en
  • US1774902A - Curtain-operating mechanism : en
  • AU2197029A - Improvements inthe method of and apparatus for reproducing sound from sound record films : en
  • AU2312729A - Improvements in and relating to water heaters : en
  • US1774814A - Liquid-level-operated rheostat : en
  • CA303640A - Valve handle connection : en fr
  • CA303580A - Electrolytic cell : en fr
  • US1774948A - Exhaust nozzle : en
  • ES119181A1 - Seal system for pipes. : en es
  • IE11370L - Heat exchangers for refrigerators : en
  • IE11860L - Artificial silk : en
  • FR689095A - Arrangements for extending the service life of barrel tubes : en fr
  • FR689256A - Improvements to translucent lambrequins, blinds and signs : en fr
  • DE506400C - Method and device for switching over self-playing musical works : de en
  • DE506478C - Extension tube, stand base or the like : de en
  • FR688983A - Wiper mat system : en fr
  • FR689094A - Universal socket : en fr
  • DE506289C - Buffer with tubular plunger and wedge-shaped and flexible pressure piece arranged in it : de en
  • GB334296A - Improved method of and cabinet for making, storing and serving ice-cream and cold drinks : en
  • DE506447C - Device for quickly extinguishing the interrupting arc on high-voltage air switches : de en
  • GB334268A - Improvements in and relating to the production of catalytic material : en
  • GB334373A - A mechanical india rubber figure : en
  • DE506242C - Filler wall on motor vehicles intended for convertible bodies : de en
  • DE506352C - Process for the production of a foundry product containing iron-oxygen compounds : de en
  • US1774923A - Safety bumper : en
  • IS111A7 - Equipment for preventing the bottom cable of the bottom trawl from sinking to the bottom and getting stuck : en is
  • CA303585A - Piston : en fr
  • DE506266C - Clamping and closing tool for the tires of boxes, bales, packages, bundles, barrels, etc. like : de en
  • DE504614C - Device for achieving stereoscopic image impressions : de en
  • CA303629A - Sealing cap for bottles : en fr
  • US1774724A - Garment : en
  • US1774688A - Refining of lead bullion : en
  • US1774854A - Ultra-violet transmitting glass : en
  • CA303667A - Absorption refrigerating machine : en fr
  • DE506244C - Device for switching a steering device of motor vehicles which acts via a non-self-locking gear : de en
  • DE506623C - Impact tool with liquid drive : de en
  • ES119177A1 - Synchronization device for the talking cinematograph. : en es
  • GB334242A - Improvements relating to alarm devices or stop motions for preparing machines for flax, jute, hemp, and like fibres : en
  • CA303572A - Clip : en fr
  • US1774547A - Mold : en
  • US1774951A - Flue connection for stoves : en
  • DE506654C - Arrangement in asynchronous machines in whose secondary circuit a commutator rear machine is switched on, which generates a load current in the asynchronous machine that is independent of the slip : de en
  • US1774546A - Manufacture of baking yeast : en
  • USD81923S - Design for a buckle : en
  • FR689057A - Improvements to steering mechanisms for vehicles : en fr
  • FR689069A - Improvements to plumb lines : en fr
  • GB334460A - Improvements in thermionic cathodes : en
  • DE506255C - Signaling circuit : de en
  • ES119211A1 - Improvements in breaking and crushing equipment. : en es
  • FR689169A - Improvements to compressed air jackhammers : en fr
  • DE506364C - Electric power generation system with opposing drive of the inducing and induced part of the power generator by an internal combustion engine : de en
  • DE506497C - Method and device for overwintering and pre-germinating early potatoes : de en
  • DK42893C - Safety coupling for Starting Engines and the like. : da en
  • FR689191A - Preparation process and machine for depositing materials such as ore and coal using a pulsating or intermittent air stream : en fr
  • FR689273A - Carburetor : en fr
  • US1774559A - Petroleum distillation : en
  • DE506644C - Multicolor rotogravure printing machine for sheets : de en
  • FR689375A - Anode grid for large rectifiers : en fr
  • GB334430A - An improved aluminum alloy : en
  • FR689382A - Improvements to internal combustion engine refrigeration devices particularly applicable to aircraft engines : en fr
  • ES116819A1 - A cosmographic globe (geographical, astronomical or similar). : en es
  • GB320022A - : en
  • FR689359A - Method and device for cooling rotating shafts : en fr
  • GB334498A - Automatic transmitter particularly for teaching telegraphic and radio telegraphic signalling : en
  • FR689329A - Pedal motors : en fr
  • FR689093A - Method for the rapid determination of the rusting tendency of iron alloys : en fr
  • FR689106A - Automatic photographic apparatus with projection reproduction devices : en fr
  • US1774751A - Method of and means for controlling reciprocating rlectric motors : en
  • FR689425A - Method and apparatus for the extraction of salt from salt lakes : en fr
  • ES119180A1 - Procedure for the manufacture of products to remove the layers of paint, varnish and similar inlays. : en es
  • FR689066A - Electro-culture apparatus : en fr
  • US1774516A - Torsion balance for gravitational measurements : en
  • US1774519A - Stoker : en
  • US1774621A - Process for producing fast dyeings and printings : en
  • FR689259A - Process for manufacturing screens, more especially polychrome screens : en fr
  • FR36923E - Method and device for heating and keeping hot, ready for operation, the cylinders of steam and gas turbines : en fr
  • DE506081C - Blindwood layer : de en
  • US1774654A - Apparatus for generating steam : en
  • FR689277A - Process for the simultaneous production of precipitated dicalcium phosphate and synthetic nitrates : en fr
  • FR689330A - Locks activated by inserting a coin : en fr
  • GB334305A - Improvements in and relating to receptacles for first aid dressings and appurtenances : en
  • FR686657A - : fr
  • DE506431C - Device for moistening dry tissues : de en
  • DE506631C - Device to prevent air from being carried away by fire extinguishing gas jets : de en
  • FR689334A - Egg testing device : en fr
  • DE506240C - Process for recovering the energy transferred when a liquid is conveyed against high pressure : de en
  • FR689298A - Improvements to amplifier systems using thermionic tubes : en fr
  • GB334332A - Movable mechanical support apparatus for storage, display, and ready access to garments : en
  • FR689029A - Steam or gas filled alternating current electrical appliance : en fr
  • FR689012A - Installation consisting of an internal combustion piston engine and an exhaust gas turbine : en fr
  • US1774539A - Fish lure : en
  • US1774700A - Means for parking automotive vehicles : en
  • US1774873A - Electric system : en
  • DE506335C - Bumper and journal protection device for clockworks, counters, etc. like : de en
  • DE506638C - Foundry for stereotype plates : de en
  • ES119269A1 - A new procedure to manufacture fabric with curl. : en es
  • ES118997A1 - Automatic match lighter device. : en es
  • US1774627A - Electric switch : en
  • GB334245A - Improvements relating to condensing steam plant and control systems therefor : en
  • FR689038A - Hand extinguisher : en fr
  • FR689444A - Stockings and sock protectors : en fr
  • FR36932E - Hydraulic motor chain with flat articulated vanes for the use of the energy of a river : en fr
  • FR688993A - Installation for charging electric accumulators : en fr
  • FR689146A - Elastic coupling : en fr
  • US1774795A - Wick lifter : en
  • US1774888A - Device for converting alpha reciprocating or oscillating motion into alpha rotary motion : en
  • US1774962A - Odorless and flyproof dry closet : en
  • US1774756A - Process in the art of manufacturing asphalt by oxidizing heavy petroleum hydrocarbons : en
  • DE506341C - Process for operating regeneratively heated stoves : de en
  • DE506550C - Device on platen printing presses for feeding an endless paper web or the like. : de en
  • DE506556C - Arrangement for the transmission of telecommunication currents with pipes whose operating voltages can be changed for control purposes : de en
  • DE506602C - Cinema grabber : de en
  • ES119243A1 - Apparatus to collect the soot and ashes that throw chimneys into space. : en es
  • FR689205A - Device to facilitate swimming : en fr
  • FR689294A - Tar refining process : en fr
  • FR689401A - Self-sensing transformer : en fr
  • DE505278C - Irrigation device : de en
  • ES118959A1 - A new folding procedure applicable to all kinds of cotton threads and any other textile material, for sewing, darning, embroidering and doing all kinds of work, whose folding can be manipulated and crushed without entangling the thread : en es
  • DE506627C - Method and device for incineration : de en
  • FR688965A - Self-unloading wagon : en fr
  • GB315424A - Improvements in or relating to nut locking devices : en
  • DE506337C - Device for cleaning wastewater with activated sludge : de en
  • DE506630C - Line pipe for high internal pressure with warm bandage rings : de en
  • GB318132A - Improvements in or relating to web tension controlling mechanism : en
  • US1774728A - Automanual resetting device : en
  • DE506457C - Socket for electric light bulbs : de en
  • DE506305C - Power supply for electrodes through nipple : de en
  • GB334496A - Improved apparatus for drying crops or cut grasses or other fibrous or flaked materials : en
  • DE506404C - Driving device for mobile advertising : de en
  • DE506677C - Solvents and plasticizers for plastic compounds, resins, varnishes, oils, dyes, essences, fragrances and other organic substances : de en
  • FR689243A - Oscillating arm machine for cutting meat : en fr
  • USD81946S - Design fob : en
  • US1774808A - Window structure : en
  • US1774763A - Rotary expansion underreamer : en
  • US1774615A - Guard for linemen's climbing hooks : en
  • US1774671A - Device for producing die-cut noodles : en
  • DE506295C - Method for indicating the location of short circuits in high voltage lines : de en
  • ES119203A1 - A concrete mixer truck. : en es
  • GB334271A - Improvements in the manufacture of films : en
  • FR689212A - Device intended to unwind the thread from a spool to feed it onto another spool : en fr
  • FR689288A - Improvements to machines for transporting a drawing on a cylinder on a flat surface : en fr
  • DE506387C - Process for transferring intermittently rolled glass plates into a roller cooling furnace : de en
  • DE506464C - Device on warp knitting machines, in particular rustling, to stop the machine in the event of thread breakage and drop stitches : de en
  • FR689446A - Group of greenhouses with hot air heating : en fr
  • DE506604C - Automatic winding device for the spring mechanisms of clock drives housed in vehicles, especially motor vehicles : de en
  • DK42851C - Device for Molds and Vulcanizers. : da en
  • US1774590A - Sole plate for golf clubs : en
  • US1774648A - Block-molding machine : en
  • FR689013A - Inhalation device : en fr
  • US1774593A - Airplane : en
  • US1774748A - Reenforcing element for the beads of automobile shoes : en
  • DE506421C - Conveyor wagons for the production of tiled stoves : de en
  • FR689271A - Rotary pump functioning as a vacuum cleaner and as a compressor : en fr
  • FR689281A - Method and installation for lifting liquid : en fr
  • FR689366A - Elevator control system : en fr
  • GB334455A - Improvements in or relating to vehicle frames : en
  • FR689356A - Horseshoe : en fr
  • GB334314A - Improvements in or relating to spreaders for collapsible or other containers : en
  • FR689133A - Speed control device of an automobile : en fr
  • GB334521A - Improvements in engine plants such as power plants, machines, ships and the like for counterbalancing or reducing the vibrations occurring in their stationary parts : en
  • ES119185A3 - A metal ladder. : en es
  • DE505643C - Signaling device on elevators with a guide : de en
  • DE506132C - Thread cutting head with automatically opening cutting jaws : de en
  • DE506521C - Foot ball bearings for spinning and twisting spindles : de en
  • US1775055A - Method of making tube joints : en
  • FR689302A - Tricalcium phosphate solubilization processes : en fr
  • GB334259A - Improvements in or relating to starting devices for internal combustion engines starting with compressed air, particularly two-stroke marine engines having three or a multiple of three cylinders : en
  • GB334401A - Aeroplane controlling devices : en
  • GB308208A - : en
  • GB312940A - Process for making carbon electrodes and the like : en
  • GB334440A - Improvements in covered rubber tubes and the manufacture thereof : en
  • DE505805C - Circuit arrangement for counting connections of different values in telephone systems with main and sub-exchanges and dialer operation : de en
  • DE506402C - Display rack : de en
  • DE506621C - Conveyor system with optional operation : de en
  • DE506245C - Front wheel drive with front wheel steering for motor vehicles : de en
  • US1774815A - Chain track for vehicles : en
  • US1774979A - Colon-therapy apparatus : en
  • US1774695A - Pressure indicator for nuts or bolts : en
  • USD81921S - Design fob a plate ob similab abticle : en
  • US1774838A - Building bracket : en
  • ES119225A1 - Improvement in sound cinematography installations with photoelectric card. : en es
  • ES119183A1 - A process for the preparation of a consumer food product in the form of infusions. : en es
  • FR689395A - Rolling process : en fr
  • ES119140A2 - A PROCEDURE FOR TREATING SATURATED HYDROCARBONS OR GASEOUS MIXTURES RICH IN SATURATED HYDROCARBONS : en es
  • FR689134A - Improvements in the treatment of cellulose derivatives : en fr
  • US1774938A - Brace for spring structures : en
  • US1774836A - Braking system for vehicles : en
  • DE506372C - Holding device for the ball on the spigot of electricity counters : de en
  • DE506466C - Hospital chair : de en
  • USRE17791E - Suction pipe : en
  • DE506280C - Process for the production of monochloroacetic acid : de en
  • GB334325A - Improvements in machines for printing, embossing or impressing materials : en
  • GB334846A - Improvements in or relating to electric selective remote indicating and metering systems : en
  • ES119249A3 - Improvements in mechanical winders. : en es
  • FR688981A - Liquid fuel manifold for internal combustion engine intake system : en fr
  • GB334359A - Improvements in combined sound and moving picture films : en
  • ES163U - Handle applicable to all types of vehicles. (Machine-translation by Google Translate, not legally binding) : en es
  • FR689025A - Double keyboard piano : en fr
  • GB334409A - Improvements in or relating to photo-sensitive cells : en
  • CA303607A - Safety valve : en fr
  • FR687287A - : fr
  • FR689112A - Device for receiving image currents : en fr
  • FR689144A - Articulated support particularly applicable to electric lamps : en fr
  • DE506540C - Device for cleaning tissues : de en
  • ES119205A1 - New method of light alloys of high resistance. : en es
  • ES119190A1 - Circuit breaker and circuit closure recorder. : en es
  • GB317094A - Improvements in and relating to voltage regulating devices for dynamo-electric machines : en
  • GB334444A - Improvements in or relating to train-lighting electric generators : en
  • DE506377C - Process for combining radioactive substances with metals : de en
  • DE506543C - Production of phosphorus pentoxide or phosphoric acid and hydrogen : de en
  • GB334344A - Improvements in or relating to gramophones applicable to other sound recording and reproducing apparatus : en
  • US1774960A - Fertilizer distributor : en
  • FR689267A - Electro-catalytic carburettor : en fr
  • GR2904B - STEAM LIFTING MACHINE. : el en
  • FR689363A - Process for the concretion of blast furnace dust : en fr
  • GB334579A - : en
  • DE506483C - Libra : de en
  • FR689024A - Scraper on wheels for moving soil : en fr
  • DE505773C - Device for loading pneumatic dryers : de en
  • DE506241C - Epicyclic gears, especially for motor vehicles : de en
  • DE506458C - Firedamp or explosion-proof electric light bulb fitting : de en
  • ES118287A2 - AN ACOUSTIC DIFFUSER SYSTEM OF ELEMENTARY SURFACES FLAVED WITH PARALLEL EDGES : en es
  • FR688986A - Improvements to metal-to-glass fittings, in particular for input conductors for ampoules and vacuum tubes : en fr
  • FR689121A - Wet spinning process for the manufacture of artificial articles : en fr
  • FR689443A - Reinforced concrete manufacturing process : en fr
  • FR689118A - Snap-in key and quick adjustment : en fr
  • FR689402A - Prepayment vending machine : en fr
  • DE506265C - Device to facilitate the bundling of letters, newspapers and similar objects : de en
  • AU2520530A - Improvements in electric connectors for electrically operated appliances : en
  • US1775059A - Wire stretcher : en
  • ES119295A3 - A procedure for the manufacture of agglomerated dry ice blocks. : en es
  • GB313562A - Process for the manufacture of polyazo dyestuffs : en
  • ES119230A1 - A process for obtaining a fat derived from olive oil, suitable for the composition of chocolate. : en es
  • GB334298A - Improvements in vacuum electric tube devices : en
  • FR689089A - Engine timing device : en fr
  • FR689361A - Anti-glare device for automobile headlights : en fr
  • DE506331C - Signal stick with headlight : de en
  • DE503767C - Injection carburetor : de en
  • DE506163C - Automatic cable cord storage, in which the cable cord is guided over two groups of rollers, especially for telephone sets : de en
  • FR689252A - Heat accumulator : en fr
  • FR689426A - Device to facilitate the hand winding of fabrics on boards or cardboard boxes : en fr
  • GB307746A - Improvements in and relating to processes for producing iridescent rainbow colours on artificial masses : en
  • GB334422A - Improvements in or relating to teapots, hot water jugs and like vessels for holding hot liquids : en
  • DE504897C - Mud flaps for motor vehicles with a side of the wheel arranged protective screen, which consists of several swingably mounted resilient rods : de en
  • FR689154A - Loom cleat : en fr
  • DE506422C - Precision bearings with glass lining for watch purposes and process for the production thereof : de en
  • GB334289A - Improvements relating to electric circuit interrupters : en
  • DE506375C - Relay circuit : de en
  • US1774949A - Handle for traveling bags and the like : en
  • ES119304A1 - An improvement in the process of waterproofing textile fibers based on solutions of cellulose esters. : en es
  • ES119182A1 - Vertical wheel mill drive. : en es
  • GB334395A - Improvements in cheese cutting devices : en
  • DE506356C - Piezoelectric oscillating crystal in a vacuum vessel with diluted neon or neon-helium filling : de en
  • DE506419C - Device for deploying a plurality of transmitters or receivers for underwater sound waves : de en
  • DK42894C - Single-phase AC induction motor with pole switch. : da en
  • FR689194A - Gear shifting for cinematographic cameras : en fr
  • GB315216A - Method of finishing machine or structural parts and the like : en
  • US1774518A - Locomotive stoker : en
  • US1774905A - Percussive tool : en
  • DE506383C - Head shaping pliers for hollow bodies, especially made of glass : de en
  • DE506632C - Two-wheel motorized sprayer : de en
  • GB313974A - Manufacture of acetyl-cellulose in the form of bands or threads : en
  • US1774505A - Exothermic heating unit : en
  • US1774662A - Vacuum pump : en
  • GB334541A - Improvements in air line lubricator : en
  • US1774735A - Hand brake for railway cars : en
  • US1775009A - Baseball mask : en
  • ES119163A1 - Manufacture of covers and bindings of books, files and filing cabinets made with artificial resin pastes. : en es
  • GB334385A - An improved mobile platform for use in the handling of motor and other road vehicles : en
  • FR36916E - Special multipurpose building agglomerates and process for their manufacture : en fr
  • US1774698A - Vacuum-tube-filament connection and method of connecting : en
  • US1774847A - Winding and unwinding device for the handling of very long films : en
  • GB310025A - Improvements in engine stop gear : en
  • CA303657A - Communication by frequency variation : en fr
  • DE506304C - Moving device for electrodes of electric oven or the like. : de en
  • DE506168C - Arrangement for communication systems : de en
  • GB334260A - Improvements in manufacture of benzyl chloride : en
  • GB334263A - Improvements in or relating to electric remote control systems : en
  • FR689255A - Improvements in locks : en fr
  • FR689263A - New shoe : en fr
  • GB334312A - Improvements in telescopic stands or supports for seats, stools, cameras and other articles : en
  • GB334319A - Device for teaching young children elementary multiplication : en
  • CA303633A - Needle making machine : en fr
  • CA303622A - Process of producing patterns of plated knitting : en fr
  • CA303581A - Process of producing homogeneous deposits from aqueous dispersions of rubber by electrical means : en fr
  • US1774684A - Brake : en
  • USD81910S - Lincoln bakkee : en
  • DE506379C - Facility for treating the body using radioactive masses : de en
  • US1775050A - Wire fabric : en
  • DE506598C - Device for punching, embossing or similar processing of continuously fed paper webs : de en
  • US1774534A - Protection and control of rectifiers : en
  • AU2395829A - Improvements in attachments to chairs for supporting and pressing articles of clothing : en
  • US1774796A - Brake-operating mechanism : en
  • CA303598A - Grid lead-in device : en fr
  • US1774904A - Container for powders : en
  • US1775051A - Train-control system : en
  • DE506254C - Arrangement for operating a self-breaker bell as a bell bell : de en
  • DE506287C - Mobile paving ram with free-falling bear and with adjustable lifting height : de en
  • DE506176C - Intermediate base for multiple tubes : de en
  • DE506397C - Device with pressure rollers for gripping the strings of plucked instruments : de en
  • FR689011A - Method and device for preparing, from natural products, inhalation baths for therapy and strengthening baths : en fr
  • FR689185A - Small format typewriter : en fr
  • US1774976A - Artificial bait : en
  • US1774532A - Hair curler : en
  • AU2025429A - Improvements in and relating to heels of boots and shoes : en
  • AU2508030B - Improved holder forsale-price tickets : en
  • US1774562A - Meter installation : en
  • US1774738A - Power plant for aircraft and control thereof : en
  • US1774903A - Vanity-case compact : en
  • CA303613A - Container : en fr
  • CA303625A - Apparatus for feeding and metering pulverulent materials : en fr
  • CA303626A - Apparatus for the direct production of iron from its ores : en fr
  • CA303636A - Cylindrical plug : en fr
  • ES118391A2 - IMPROVEMENTS IN THE MAIN PATENT NUMBER 117535 : en es
  • FR689204A - Improvements to freewheel devices : en fr
  • FR689248A - Thermite welding process : en fr
  • GB318468A - Improvements in the treatment of materials containing cellulose esters : en
  • GB334849A - Improvements in speed changing and speed reducing gear : en
  • US1774521A - Saw guard : en
  • USD81944S - Design fob a sweater : en
  • DE507054C - Record cleaner for speaking machines : de en
  • DE506107C - Process for the production of footwear with an articulation between the insole and the outsole and an articulation for practicing the process : de en
  • DE506360C - Connection terminal for electrical lines, in particular luster terminal : de en
  • FR689126A - Improvements to material compositions having arc resistance properties : en fr
  • GB334474A - Process for the manufacture of mono-brominated menthane : en
  • US1774666A - Spinning and twisting machine : en
  • US1774841A - Combined tube and pipe coupling : en
  • US1774966A - Time-element device : en
  • ES119294A1 - Removable coil for cooling or heating of fluids. : en es
  • FR689234A - Developing table : en fr
  • US1774517A - Lamp receptacle : en
  • US1774804A - Engine starter : en
  • CA303619A - Process of preparing homogeneous alloys of lead : en fr
  • AU2497330B - Improvements in or relating to welding electrodes and method of making same : en
  • US1774761A - Muffler-cup-assembling machine : en
  • CA303627A - Side frame for car trucks : en fr
  • CA303554A - Car loading and unloading method : en fr
  • CA303507A - Wire spoked vehicle wheel : en fr
  • DE506136C - Method and apparatus for making dough from unmilled, softened grain : de en
  • US1774862A - Metal-cutting tool and alloy for making the same : en
  • CA303512A - Fuel pulverizer : en fr
  • CA303612A - Valve stem : en fr
  • DE506215C - Self-collecting device for body circumference measurements with measuring tape and pressure device : de en
  • DE506561C - Installation circuit breaker whose switching mechanism is acted on by a coil influenced by the earth voltage or the earth current : de en
  • FR36907E - Wire stiffener for fences, wall bars, etc. : en fr
  • FR689170A - Masses containing cellulose derivatives : en fr
  • FR689229A - Electrically operated hand-held device, including hot air shower : en fr
  • GB334224A - Process for improving tea : en
  • GB334438A - Improvements in delivery devices for sheet printing machines, particularly intaglio sheet printing machines : en
  • GB334836A - Improvements in or relating to printing presses : en
  • AU2508030A - Improved holder forsale-price tickets : en
  • DE506619C - Protection seal for the clockwork of pocket watches : de en
  • FR689187A - Method and device for smelling coal agglomerates : en fr
  • DE506536C - Coal cutting machine : de en
  • FR689221A - Manufacture of light footwear, i.e. sports shoes, indoor shoes and the like : en fr
  • GB334288A - Improvements in and relating to electric road vehicles : en
  • US1774819A - Hood latch : en
  • DE504246C - Galvanometer, in which a loop-shaped conductor is deflected in a homogeneous field by the electric current perpendicular to the lines of force : de en
  • DE506286C - Device on writing office machines for moving a long paper web : de en
  • US1774886A - Boat-propeller unit : en
  • DE502664C - Three-axle motor vehicle with two driven rear axles : de en
  • DE506269C - Process for the production of objects from celluloid or similar plastic masses : de en
  • DE506427C - Procedure for balancing circulating bodies : de en
  • FR687155A - Textile fiber sizing process : en fr
  • CA303584A - Pencil : en fr
  • CA303558A - Machine for applying shredded materials to confection-coated wafers : en fr
  • US1774781A - Method of coloring rubber articles : en
  • US1774624A - Balanced steam joint : en
  • DE506309C - Absorbent and cleaning balls made of cellulose, especially for parquet floors : de en
  • DE506334C - Device for fastening the dial : de en
  • FR689082A - Improvements to lubrication devices : en fr
  • US1774630A - Romper : en
  • US1774945A - Attachment for blue-print machines : en
  • USD81948S - von frankenberg : en
  • GB334577A - Improvements in and relating to machines for spreading cream, or laying coatings on wafers or other surfaces : en
  • US1774520A - News stand : en
  • US1774503A - Vehicle spring : en
  • DE506247C - Electric signaling device for vehicles : de en
  • DE506569C - Vacuum lightning arrester : de en
  • US1775047A - Myles victor papps : en
  • CA303614A - Electric water heater : en fr
  • CA303556A - Method and apparatus for handling materials : en fr
  • DE506446C - Automatic locking device : de en
  • US1774500A - Assxsboel : en
  • US1775063A - Aluminum ophobite : en
  • FR36924E - Signaling device for motor vehicles : en fr
  • DE506500C - Optical advertising and display device : de en
  • FR689145A - Manufacturing process of crank shafts or cranks : en fr
  • FR689098A - Method of fixing the glasses on the platforms of the grinding and polishing appliances : en fr
  • FR689183A - Sock clip : en fr
  • ES119277A3 - Transmission band. : en es
  • ES165U - New procedure to fix the corresponding license plates in cars by using a special metal box and interchangeable cards. (Machine-translation by Google Translate, not legally binding) : en es
  • AU2251729A - Suspension leaf spring lubricator : en
  • US1774568A - Aeroplane control : en
  • FR689019A - Winding process of the sausages at the exit of the dividing devices of the carding machines for the improved feeding of the spinning machines : en fr
  • GB334243A - Improvements in or relating to colour photography : en
  • FR689216A - Automobile and other vehicle speed control device : en fr
  • ES119265A1 - A procedure to make resistant to aggressive waters Portland cement or mortar or concrete prepared with Portland cement, to facilitate the setting and increase the hardness of the same and to contain the contraction. : en es
  • FR689048A - Manufacturing process for molded parts and machine for using this process : en fr
  • DE506584C - Reduction furnace for aluminum production : de en
  • FR689047A - Metallic construction : en fr
  • FR689091A - Improvements to disc wheels and their rims : en fr
  • FR689217A - Improvements to carding machines and similar machines : en fr
  • US1774801A - Pressure-operated multiple-circuit switch : en
  • DE506382C - Glass blowing machine : de en
  • GB334252A - Improvements in cotton gins : en
  • FR689369A - Electric iron with temperature indicating device : en fr
  • GB334476A - Improvements in hydraulic variable speed power transmitting mechanisms : en
  • US1775027A - Carton : en
  • GB334556A - Means for mounting a gramophone sound-box : en
  • DE506068C - Switching arrangement : de en
  • GB334403A - Apparatus for measuring values by means of an auxiliary energy : en
  • DE505360C - Spool changing device for spinning, twisting or similar machines : de en
  • DE506336C - Timer with liquid tipping container : de en
  • DE506405C - Projector for light and other rays : de en
  • DE506518C - notepad : de en
  • FR36931E - Automatic remote control device for electric motors : en fr
  • DE506439C - Process for the preparation of ª ‡ - (2-carboxyphenyl-1-) anthraquinone : de en
  • DE506525C - Tongue joint arrangement : de en
  • ES119233A1 - Continuous action turbine for the centrifugation of sugar, salt, soda, and all kinds of non-coherent materials. : en es
  • FR689220A - Improvements to talking machines : en fr
  • US1774909A - Combination umbrella tent : en
  • US1775028A - Safety pressure relief and indicating apparatus : en
  • US1774784A - Concrete fence : en
  • CA303553A - Portable stack lifter : en fr
  • DE506298C - Device for the enlargement and visualization of changes which occur through the rotation of a mirror, e.g. of galvanometer deflections : de en
  • FR689307A - Improvements to refrigeration devices : en fr
  • ES118888A1 - IMPROVEMENTS IN REELS OR REELS OR SIMILAR MACHINES : en es
  • ES118971A1 - A system of loose rings for hermetic closing of glasses, containers and similar. : en es
  • FR689342A - Improvements in the production of oxygenated organic compounds : en fr
  • FR689378A - Scissor frame for airplanes : en fr
  • US1774564A - Casing cutter : en
  • GB334382A - A process for the wet treatment of skein yarns, particularly of artificial silk : en
  • DE506459C - Process for the production of metal coatings on bodies from non-conductive oxides for indirectly heated cathodes of electrical discharge vessels : de en
  • FR689101A - Improvements to grinding machines : en fr
  • FR689132A - Electric switch : en fr
  • US1775046A - Belt-lacing vise : en
  • DE506263C - Steel band tensioning and locking device for band iron tires on boxes, bales and other packages : de en
  • US1774826A - Mount for sound apparatus : en
  • CA303568A - Electric heater : en fr
  • GB307081A - Improvements in and relating to electric resonant units : en
  • GB334495A - Improvements in or relating to non-refillable bottles : en
  • DE506628C - Fuel injection device for internal combustion engines with a diaphragm injection valve : de en
  • FR689104A - Process for preparing wires covered with enamel varnish : en fr
  • GB334247A - Improvements in or relating to automatic or semi-automatic telephone exchange systems : en
  • US1774777A - Plate-lifting device : en
  • US1774527A - Brake : en
  • FR689296A - Improved method and apparatus for rearing silkworms and stimulating cocoon production : en fr
  • DE506261C - Machine for cutting stones : de en
  • CA303577A - Automobile top pad : en fr
  • CA303519A - Spring mattress, upholstery, cushion, etc. : en fr
  • ES119175A3 - A procedure to obtain on artificial silk fabrics, with or without a mixture of other materials, waters similar to those of moiré. : en es
  • ES118790A1 - A procedure to reduce the specific fuel consumption and regulate the temperature in metallurgical furnaces, stoves and heating of all kinds. : en es
  • DE505924C - Rotary transformer in economy circuit : de en
  • DK42877C - Sewing machine. : da en
  • CA303675A - Toasting device : en fr
  • FR689411A - Improvements in devices for the transmission of direct current at high voltage : en fr
  • GB334358A - Improvements in agricultural seed drills : en
  • GB334456A - Improvements relating to the ventilation of dynamo-electric machines : en
  • US1774727A - Cover-all cap : en
  • CA303555A - Method and apparatus for handling metal : en fr
  • USD81924S - Design for a buckle : en
  • US1775018A - Container for gramophone disk records : en
  • US1775078A - Electrode for arc lamps : en
  • DE506455C - Faucet socket for electric light bulbs with a switch handle protruding through an unslotted hole in the socket jacket : de en
  • FR689179A - Scissors for thinning hair : en fr
  • ES119193A1 - Improvements in the manufacture of one-piece steel plate cubes. : en es
  • FR689072A - Process for manufacturing more or less opaque and more or less matt cellulose films : en fr
  • DE506252C - Gas pressure charger : de en
  • US1774842A - Beacon light : en
  • US1775032A - Knitting machine : en
  • GB315875A - Improvements in or relating to screened grid valves : en
  • GB334426A - : en
  • USD81943S - Design for a sweater : en
  • FR689080A - Installation of central heating with radiators : en fr
  • GB334390A - Improved device for skeining or interlacing tie-threads of hanks on reels : en
  • FR689197A - Improvement of handling devices in pressing facilities : en fr
  • DE506555C - Holding device for the account book of direct debiting devices : de en
  • ES162U - Hygienic lid of iron with porcelain enamel to cover troughs, sinks, sinks, tables and springs or similar containers. (Machine-translation by Google Translate, not legally binding) : en es
  • GB334450A - Improvements in cartons or packages : en
  • CA303557A - Method and apparatus for handling bar and strip metal : en fr
  • FR689251A - Improvements to loaders for locomotives : en fr
  • GB315278A - Improvements in or relating to the manufacture of cellulose derivatives : en
  • US1775049A - Car coupling : en
  • ES119207A1 - A new method of packaging together the cream and the dye for the cleaning of shoes, leather, belts or the like. : en es
  • US1774626A - Method of treating leather : en
  • ES119296A1 - Improvements in refrigerators, especially those designed to cool liquids. : en es
  • ES119158A1 - A procedure for the preparation of chromed dyes. : en es
  • FR689073A - Improvement in gear changes : en fr
  • FR689431A - Device to prevent swarming of bees : en fr
  • DE506451C - Securing element with touch-proof cover plates at the entry openings : de en
  • DK42849C - Device for support arms for electromagnetic recording and reproducing apparatus for gramophones and means for placing such apparatus on the support arm. : da en
  • FR689164A - Improvements to rolling platforms for cleaning ship hulls : en fr
  • US1774802A - Molasses and cereal product and process for making : en
  • FR689039A - Ring set : en fr
  • FR689119A - Molding machine : en fr
  • FR689087A - Improvements to couplings for railway vehicles : en fr
  • ES119156A1 - An improved process for the manufacture and preparation of thermoplastic products based on fatty oils. : en es
  • FR689031A - Improvements in the assembly of vehicle wheels : en fr
  • GB334511A - Improvements in or relating to garment pressers : en
  • DE506676C - Spring-loaded metal bracket for fastening and pressing the parquet straps onto the sub-floor or the bearing strips : de en
  • DE506358C - Chain isolator : de en
  • FR687185A - Steel frame for reinforced concrete constructions : en fr
  • FR689166A - Process for agglomeration of denatured salt intended for animal feed and product obtained : en fr
  • US1774924A - Ehnst kassner : en
  • GB334408A - Improvements in the treatment of combustible substances : en
  • IE11106L - Shoeing of solipeds : en
  • ES118392A1 - Improvements in obtaining liquid hydrocarbons, particularly in the production of liquid fuels from solid fuels. : en es
  • CA303647A - Sash operating mechanism : en fr
  • CA303697A - Synthetic resin : en fr
  • CA303628A - Bottle sealing cap : en fr
  • US1774828A - Safety razor : en
  • CA303660A - Thermostatic control device for oil burners : en fr
  • FR689021A - Refining of heavy fuels such as gas oil to supply diesel or junkers or clerget-type engines : en fr
  • CA303526A - Dump vehicle with actuated doors : en fr
  • US1774832A - Combined luminous ophthalmoscope and retinoscope : en
  • US1775021A - Elevator : en
  • AU2288129A - Improvements inthe manufacture and production of phosphoric acid and hydrogen : en
  • US1774623A - Safety clamp : en
  • US1774803A - Passenger car : en
  • US1774994A - High-pressure-valve device : en
  • US1774830A - Slowness tester for paper pulp : en
  • AU2499430A - Improvements in tension-compensating devices for use in winding or other textile machines : en
  • CA303531A - Single sleeve valve engine : en fr
  • CA303615A - Dynamo electric machine : en fr
  • ES118941A2 - PROCEDURE FOR THE DETERMINATION OF THE POTASSIUM CONTENT IN THE SPACES THAT CONTAIN IT : en es
  • AU2499430B - Improvements in tension-compensating devices for use in winding or other textile machines : en
  • FR688952A - Improvements to molded articles, such as dentures and similar articles : en fr
  • ES119228A1 - A chemical-photographic procedure for obtaining documents that require identification. : en es
  • FR689338A - Shuttle movement for loom : en fr
  • GB316521A - Improvements in the treatment of materials containing cellulose esters : en
  • FR689027A - Improvements in manufacturing processes for products with cutting or abrasive properties : en fr
  • GB334534A - Improvements in or relating to telephone systems : en
  • GB334466A - Improvements relating to metal netting for use as catalyser in contact units : en
  • FR689374A - Improvements to magnetos, especially ignition magnetos : en fr
  • US1774515A - Electric lamp : en
  • DE506413C - Process for the production of photographs : de en
  • FR689416A - Signaling device : en fr
  • GB334309A - An improved mechanical excavating machine : en
  • GB334442A - Improvements in fire extinguishers : en
  • GR2902B - SENSOR OPERATOR OPERATOR AND WITH GUARANTEED GUIDELINES BY ELECTRIC MOTOR AND DEVICES. : el en
  • FR689346A - Printing process on wool giving shades liable to be eroded : en fr
  • GB313954A - Improvements in magnetic tachometer : en
  • DE506570C - Process for the production of a coherent electrically conductive metal layer on crystals : de en
  • DE506327C - Quick charger for room connection : de en
  • FR689161A - Parabolic reflector headlight for road vehicles : en fr
  • US1774549A - Trimming machine : en
  • US1774598A - Intermittent steam-boiler feed : en
  • DE506284C - Rotary stencil printer : de en
  • FR689258A - Improvements in spindle machines for fraying cotton : en fr
  • DE492493C - Reversible, expanding rotary piston engine with interlocking arrow-wheel pistons : de en
  • FR689262A - Articulated joint : en fr
  • US1774673A - System for the regulation of machines : en
  • ES119194A1 - An improved process and its corresponding apparatus for the manufacture of wired glass. : en es
  • FR689405A - Lifting and swiveling device for vehicles : en fr
  • GB334327A - Improvements in the means for producing extra high voltages : en
  • FR36927E - Rubber articles made from thin flat sheets and method of making such articles : en fr
  • DE506361C - Sliding resistance with coarse adjustment and a fine adjustment attached to the coarse adjustment slide : de en
  • US1774560A - Sodium sulphide drops and method for making them : en
  • US1774607A - Method of bonding refractories : en
  • ES119206A1 - A new automatic valve plug device. : en es
  • GB334551A - Improvements relating to electro-magnetic gramophone pick-ups or recorders : en
  • DE506363C - Installation on motor-driven voltage dividers : de en
  • DE506477C - Process for the production of metallic materials with a fiber structure : de en
  • GB334439A - Drying and finishing machine for fabrics in long lengths : en
  • FR689050A - Coloring process : en fr
  • FR689295A - Carbonizing vehicles and trains : en fr
  • FR686800A - : fr
  • GB334399A - Hand driven hydraulic press for fruit : en
  • GB334489A - Improvements in or relating to thread cutting or chasing machines : en
  • FR36904E - Combi cooker with multitubular boiler for central heating : en fr
  • GB334483A - Air conducting apparatus for drying or airing both faces of textiles, sheets, sheet material or the like : en
  • GB334461A - Improvements in or relating to open fire grates : en
  • DE506618C - One-piece sheet metal seal that can be closed like a push button : de en
  • FR689051A - Manufacturing process of detergents or cleaning agents and products as a result : en fr
  • GB334354A - Sound-film band and process of recording sound thereupon : en
  • DE506174C - Method for setting the characteristics of electrical oscillating circuits : de en
  • DE506406C - Advertising device for shop windows with apparently automatic movement of advertising figures : de en
  • DE506510C - Device for rotating the headlights of vehicles, in particular motor vehicles : de en
  • FR689046A - Two-seater body convertible into four places : en fr
  • FR36918E - Removable and portable bathtub device : en fr
  • FR36937E - Improvements to direct fuel injection sprayers in internal combustion engines : en fr
  • FR689184A - Protective cover for automobile headlights, etc. : en fr
  • US1774753A - Chain : en
  • FR689376A - Level crossing signal device : en fr
  • AU2253229A - Improved starting barrier : en
  • DE506345C - Removable pouring device for laundry kettle : de en
  • DE506473C - Eyeglass lens cutting machine : de en
  • DE506423C - Drive for a ship lift : de en
  • DE506528C - Process for creating corners in iron sheet piling : de en
  • FR36901E - Arrangement of burners and gas inlet for the heating walls, divided into vertical heating rings, of the furnaces for the production of gas : en fr
  • GB334398A - Improvements in bed covers or quilts : en
  • DE506371C - Alternating current meter for several, especially two frequencies : de en
  • GB313874A - Process for obtaining enzymes and particularly proteolytic enzymes secreted by microorganisms for use in tanning, skin dressing and the like : en
  • FR689437A - Device for unwinding from one spool and winding on another a wire or a strip, in particular for the writing-holder of the speaking machines poulsen : en fr
  • GB334497A - Apparatus for delivering newspapers or the like : en
  • ES117474A1 - A protective coating : en es
  • GB334300A - Improvements in and relating to tennis and like racquets : en
  • FR36944E - Foot for electronic tubes without horns : en fr
  • FR36946E - Self-compressing powder rice powder box : en fr
  • GB334256A - Improvements in vacuum electric tube devices : en
  • FR689246A - Improvement of light-sensitive photographic materials and process for the manufacture thereof : en fr
  • FR689320A - Improvements to oil cruets : en fr
  • DE506256C - Device for displaying free or occupied seats in theaters, cinemas or the like. : de en
  • US1774540A - Locking-type switch-operating handle : en
  • US1774969A - Wired wireless system : en
  • US1775011A - Fastening for wearing apparel : en
  • US1774813A - Plastic-board manufacture : en
  • DE505918C - Electric motor with vertical shaft for the direct drive of rapidly rotating parts, in particular centrifuges, in which the electromagnetically stabilized rotor shaft is supported in such a way that it can oscillate around a point in all directions : de en
  • DE506606C - Saddle for bicycles, motorcycles and similar vehicles with a seat made of coil springs and similar elastic means : de en
  • DE505939C - Tubular tape for weaving and binding purposes : de en
  • GB334283A - Improvements in and relating to lifting jacks and the like : en
  • GB334349A - Improvements in and relating to indiarubber hot-water bottles : en
  • GB334428A - A safety device for aeroplanes : en
  • DE506475C - Floor polishing machine with storage tank for liquid floor polishing agent : de en
  • GB334555A - Improvements in or relating to photographic developing processes and apparatus : en
  • DE506398C - Key mechanism for woodwind instruments : de en
  • DE506476C - Curtain pulling device : de en
  • US1774659A - Aerial sign : en
  • US1775076A - Friction-testing device for rotating members : en
  • US1774577A - Lining for articles of apparel : en
  • DE503127C - Membrane gas pressure regulator : de en
  • DK42852C - Tray for Fruit or similar. : da en
  • ES174U - Lemonade in compromised, granulated or powder. (Machine-translation by Google Translate, not legally binding) : en es
  • GB334470A - Improvements in and relating to methods of and apparatus for working fused silica : en
  • USRE17788E - Bttshino : en
  • ES119202A1 - A system of asymmetric conductivity electrodes. : en es
  • ES119217A1 - Improvements in box-shaped cofferdams. : en es
  • FR36945E - Spray : en fr
  • FR689190A - Device for plotting curves : en fr
  • CA303606A - Comfort chair : en fr
  • CA303666A - Wooden construction : en fr
  • DE506237C - Process for the photographic reproduction of halftone images or line drawings with inked areas, in which only the latter, or drawings with color tones, in which only any color tone is rasterized : de en
  • US1774875A - Fixed by-pass condenser : en
  • DE506489C - Spring roller mill with rollers swinging around a bolt : de en
  • US1774498A - Shoe machine : en
  • CA303498A - Necktie : en fr
  • CA303684A - Self-starting synchronous induction motor : en fr
  • US1774797A - Endless track for tracklaying vehicles : en
  • US1775071A - Booster : en
  • CA303504A - Synchronism system : en fr
  • US1774723A - Method of and apparatus for ascertaining the relative capacities of pumps and the like : en
  • US1774956A - Propelling and steering unit for boats : en
  • GB334517A - A method of renovating cutting tools : en
  • CA303524A - Radiator shield : en fr
  • GB334391A - Improvements in or relating to diaphragms for transmitting fluid pressure : en
  • DE506259C - Sound transmitter for echo sounding on ships : de en
  • DE506347C - Note skewer with a protective device covering the tip : de en
  • US1774807A - Self-locking muffler bar for belt clamps : en
  • ES119216A2 - IMPROVEMENTS IN ELECTRICAL DISCHARGE PIPES : en es
  • US1775061A - Duplex pillow slip : en
  • DE506504C - Transport box for advertising projector with built-in screen : de en
  • US1774655A - Car-journal roller-bearing box : en
  • US1774739A - Body protector : en
  • DE506378C - Arrangement for glass electrodes in high-frequency devices : de en
  • ES119167A1 - Machine for manufacturing metal mesh with variable width hexagonal mesh. : en es
  • US1774986A - Metallic hose : en
  • GB334490A - Improvements in conveyors : en
  • AU1987729A - Headlight adjusting and focussing device : en
  • CA303595A - Lubricating device : en fr
  • CA303656A - Pump : en fr
  • US1774713A - Rotary valve mechanism : en
  • US1774805A - Relief valve for hot-water systems : en
  • US1774595A - Advertising device : en
  • US1774785A - Figure toy : en
  • DE506420C - Conveyor belt for mines with riveted, Ioeffel-like blades on replaceable stirrups : de en
  • DE506214C - Adding machine : de en
  • DE506312C - Smoking device for tobacco pipes : de en
  • DE506471C - Glass rolling machine : de en
  • ES119199A1 - Device for removing pins in the drill lathe or milling cutter. : en es
  • CA303686A - Spring seat cushion : en fr
  • US1774831A - Planetary transmission mechanism : en
  • US1774980A - Coffee-making machine : en
  • US1774840A - Bottle-suspension device : en
  • US1774935A - Adjustable wall-box strap : en
  • US1774848A - Steering and propelling device : en
  • US1774809A - Die : en
  • US1774870A - Car construction : en
  • US1774892A - Inner tube for pneumatic tires : en
  • AU2193929A - Improvements in signalling systems : en
  • CA303618A - Carriage brake mechanism for billing machines : en fr
  • AU2189429A - A shark proof structure : en
  • DE506675C - Stuffing box for glass tubes of water level indicators on coffee kettles : de en
  • ES118983A1 - A new home system for the use of solid fuels of small size. : en es
  • US1775069A - Valve-spring retainer : en
  • US1775008A - Tractor wheel : en
  • US1774944A - Electric-current-transforming means : en
  • DE506394C - Agent for combating vegetable and animal pests : de en
  • US1774767A - Cosmetic container : en
  • FR689143A - Process for making a road surface : en fr
  • GB334241A - Improvements in or relating to the cracking of hydrocarbons : en
  • GB334841A - Theft alarm or signal for use on motor vehicles : en
  • US1774952A - Liquid-expelling apparatus : en
  • GB334457A - Protecting device for valve fittings on gas cylinders and the like : en
  • DE506428C - Process for the production of dusting powders with insecticidal and fungicidal effects : de en
  • FR36948E - Improvements to machines for molding powdery, pasty or other materials : en fr
  • FR689365A - Improvements to mechanical boiler grids : en fr
  • GB334303A - Improvements in and connected with carburettors for internal combustion engines : en
  • FR689074A - Device for the transmission of electrical signals by means of very short radio waves : en fr
  • FR689309A - Improvements in spinning, twisting or similar machines and in apparatus for the automatic replacement of full reels by empty reels : en fr
  • DE506294C - Method for measuring rapid, short-term frequency changes in electrical power networks : de en
  • FR689242A - Method and device for starting electric motors : en fr
  • GB334290A - : en
  • GB334557A - Sheave assembly for crown block : en
  • DE505860C - Nail and riveting machine for suitcases made of wood, fiber, hard cardboard, etc. like : de en
  • DE506251C - Trigger mechanism for automatic firearms : de en
  • ES118886A1 - Procedure to prepare fertilizer materials. : en es
  • US1774845A - Refined viscous hydrocarbon oil : en
  • ES119285A1 - An electric arc projector served by alternating current. : en es
  • FR688996A - Device allowing access to the valve through the flanges of automobile wheels : en fr
  • USD81934S - Design eor a chair : en
  • ES119303A1 - Improvements in dyeing and printing processes. : en es
  • GB334371A - Improvements in means for washing, screening and elevating sand and other materials : en
  • DE506233C - Audio image reproducing apparatus : de en
  • DE506415C - Headlights for vehicles, in particular motor vehicles : de en
  • DE506515C - Front wheel base indicator for motor vehicles : de en
  • DE506575C - Hydraulic press : de en
  • ES118658A1 - Perfeccionamientos in the machines to sew espadrilles and similar templates. : en es
  • ES119298A1 - A new improvement in knitting machines. : en es
  • ES119270A1 - Improvements in water heaters and similar. : en es
  • DE506351C - Process for the production of titanium-free iron or steel : de en
  • US1774542A - Aluminum beryllium alloy : en
  • DK42850C - Safety device for Cinematographs. : da en
  • DE506325C - Feed device for polishing and grinding media in polishing or similar machines : de en
  • US1774676A - Race track : en
  • US1774975A - Electromagnetic pick-up device : en
  • CA303689A - Turnbuckle : en fr
  • US1774677A - Aircraft : en
  • FR689349A - Improvements to the coupling members for the transmission of driving force : en fr
  • GB334240A - Improvements in the manufacture and production of vat dyestuffs of the anthraquinone acridone series : en
  • GB334292A - Improvements in or relating to protective systems for electrical distribution systems : en
  • ES119134A1 - An air announcement system and devices to do it. : en es
  • GB334394A - Improvements in and relating to the lighting systems of motor vehicles and the like : en
  • GB334411A - An arrangement in gramophones which are caused to play by the deposit of a coin : en
  • DE506667C - Heat hood with heat release for electric heating plates : de en
  • FR688962A - Plastics manufacturing process : en fr
  • ES119309A1 - Automatic tabulator device for typewriters. : en es
  • US1774681A - Electrically-operated vibratory devices such as are used in the recording or reproduction of sound : en
  • CA303561A - Headlight : en fr
  • CA303701A - Joint : en fr
  • US1774541A - Rest for electric irons : en
  • US1774912A - Curtain-rod cornice : en
  • AU2190629A - Upholstery fabric and method of manufacture : en
  • DE506501C - Device for reproducing light signals : de en
  • GB334397A - Improvements in or relating to smoking pipes : en
  • FR688958A - Shock absorber devices for crankshafts : en fr
  • FR688969A - Improvements to devices to ensure the balance of aircraft : en fr
  • GB334575A - Improvements in mirrors, looking glasses and the like : en
  • US1774834A - Wireless receiving system : en
  • US1774558A - Duplex-operating device : en
  • US1774644A - Sifting machine : en
  • GB334480A - Improvements in and relating to tobacco pipes : en
  • DE506396C - Hammer head for pianos or the like : de en
  • DE506490C - Drum mill with air flow sifting and subsequent sifting in an air sifter : de en
  • US1774691A - Hay needle : en
  • CA303661A - Journal for pulverizing mill rollers : en fr
  • GB334491A - Improvements in and relating to timepieces : en
  • FR36905E - Heavy-duty automotive brakes : en fr
  • FR689138A - Improvements to trucks for handling goods : en fr
  • US1774721A - Athletic score board : en
  • DE506425C - Process for increasing the solubility of halogen-substituted oxpyridines in water : de en
  • ES119137A1 - An improvement in automatic and semiautomatic pistols consisting of a piece that serves both to eject the charger and trigger safe. : en es
  • ES119224A1 - A system of hydraulic crics for the use of carriages. : en es
  • US1774985A - Adjustable brake-shoe stop : en
  • US1774988A - Machine for making prepared roofing : en
  • DE506629C - Procedure for starting diesel locomotives using heated compressed air : de en
  • DE506664C - Process for the production of electron tubes : de en
  • DE505684C - Process and machine for the production of tubular hollow baked goods : de en
  • DK42885C - Apparatus for Spraying in the Toilet Room of a Liquid Odor or Disinfectant. : da en
  • USD81930S - Design foe a figure of a dog : en
  • CA303658A - Railway crossing guard : en fr
  • AU2508930A - Cylinder heads for internal combustion engines : en
  • CA303596A - Multiple elevator system : en fr
  • DK42871C - Procedure for the operation of four-stroke internal combustion engines. : da en
  • FR689108A - Spark plug for aviation engines : en fr
  • GB334477A - Improved means for indicating golf and like scores : en
  • GB334316A - Improvements in or relating to electric lighting installations : en
  • GB334526A - Improvements in the purification of sulphur bearing gases and recovery of sulphates and sulphur : en
  • FR689257A - Device for hanging carpets : en fr
  • GB313959A - Improvements in starters for direct current motors : en
  • ES118557A2 - IMPROVEMENTS MADE IN THE OBJECT OF MAIN PATENT NUMBER 103565 : en es
  • ES119119A1 - Improvements in non-ferrous alloys. : en es
  • GB334367A - Improvements in or relating to collapsible cartons : en
  • US1774693A - Jack : en
  • US1774914A - Card-ledger tray : en
  • AU2188429A - Improvements in or relating to golf bags : en
  • FR689014A - Improvements to resinous products and compositions containing these products : en fr
  • GB334253A - Pocket knives and like articles : en
  • GB334535A - An improved evaporator for cooling plants : en
  • DE506389C - Self-operated towel dispenser : de en
  • CA303610A - Air chuck : en fr
  • CA303543A - Store furniture : en fr
  • CA303623A - Air mixing burner : en fr
  • US1774922A - Supporting structure for rollers : en
  • US1774963A - Lasting apparatus : en
  • US1774631A - Sheet-metal vent-pipe connection : en
  • FR689441A - Improvements to continuous firewood splitting machines : en fr
  • GB334294A - Improvements relating to telephone instruments : en
  • DE506367C - Oil-filled electrical apparatus with expansion tank : de en
  • DE506416C - Direction indicators for vehicles with a device for generating sounds and flashing lights : de en
  • FR686653A - : fr
  • FR689128A - Agents and methods for decreasing the aging of artificial and natural rubber species : en fr
  • US1774544A - Bracelet-extension device : en
  • ES119246A3 - Rubber stamping procedure based on nitrocellulose colors. : en es
  • DE506368C - Oil drain device on oil-filled containers, especially for transformers and the like. Like., The end parts of which have narrow, conical sealing surfaces : de en
  • ES119236A1 - An apparatus for the production of light flashes, applied to the headlights, for maritime and aerial signals. : en es
  • FR688990A - Process for treating limestone, plaster stone, alabaster, to give them the appearance and hardness of marble : en fr
  • CA303548A - Oil can : en fr
  • DE506321C - Cinematograph with continuously moving picture tape : de en
  • DE506412C - Process for the production of diazotypes using papers impregnated with diazo compounds : de en
  • US1775019A - Synchronizing reproducing apparatus : en
  • FR689042A - Improvements to equipment for crushing ores and other materials : en fr
  • FR689348A - Improvements to printing machines : en fr
  • AU2072129A - Improvements in the electrolytic process for extracting metals from their ores : en
  • CA303520A - Master keyed cylinder lock : en fr
  • AU2198329A - Improvements in mattresses : en
  • ES119178A3 - A toy set. : en es
  • FR689322A - Path by lever-wheels and ribbons on ice, snow and all ground : en fr
  • FR689327A - Improvements made and relating to interchangeable and removable wearing parts or linings for heels of boots, shoes and the like : en fr
  • US1774957A - Vehicle lamp : en
  • CA303538A - Carbureter : en fr
  • DE506607C - Hull : de en
  • US1774710A - Grain-clfaning device : en
  • AU2466130B - Automatic vending machine : en
  • US1774637A - Shore-pipe nozzle : en
  • DE506139C - Process for the production of luestrated, water-resistant fabrics suitable for wall coverings, handcrafted goods, hats etc. : de en
  • DK42866C - Insert for Flower Vases, composed of Single Tubes. : da en
  • FR689139A - Method and means for storing, measuring, proportioning and mixing materials : en fr
  • US1774565A - Brake : en
  • US1774708A - Ice-cream-dispensing machine : en
  • US1774720A - Apparatus for radio telegraphy or telephony : en
  • DE506005C - Device for opening letters : de en
  • GB334549A - Improvements in or relating to electric protective systems : en
  • US1774581A - Bubble-tower grid : en
  • DE506512C - Push button switch with automatic downshift for direction indicator : de en
  • CA303573A - Turn-over toaster : en fr
  • US1774714A - Oil feeding and atomizing device for oil burners and other equipment : en
  • US1774717A - Grain huller : en
  • US1774987A - Combined guide and cleaner : en
  • DE506529C - Device for the formation of air advertisements or similar announcements from operated aircraft, in particular aircraft : de en
  • ES119231A1 - A procedure for the treatment of palm oil in order to make it suitable for steariner. : en es
  • GB312697A - : en
  • GB334435A - Improvements in casting light metals especially aluminium and aluminium alloys : en
  • DE506339C - Process for the preparation of o-nitrophenylaryl ethers and their reduction products : de en
  • AU2426129A - Improvements in stock drenching instruments : en
  • DE506429C - Canopy-like lamp fitting with a reflector directly supporting the lamp socket : de en
  • ES119288A1 - Improvements in the lens of photographic lens. : en es
  • FR689433A - Electric chain breaker device for looms : en fr
  • GB334536A - Improvements in or relating to web roll mechanism particularly applicable for use in connection with rotary printing : en
  • DK42872C - Two-stroke combustion engine with more than two pistons working on a common combustion chamber. : da en
  • FR689178A - Container made by gluing a cut piece of paper and its manufacturing process : en fr
  • US1774946A - Pressure retainer and relief device : en
  • FR689113A - Improvements to wire drawing machines : en fr
  • US1774858A - Method of uniting laminated materials : en
  • DE505958C - Inflatable toy figures and methods and dies for making them : de en
  • ES119260A1 - A product for the preparation of sweetened, radioactive food and consumer products. : en es
  • FR689015A - Improvements to related subjects : en fr
  • FR689211A - Improvements to water cooling towers : en fr
  • GB334337A - Improvements in or relating to tins, canisters and like containers : en
  • ES119168A1 - Hydraulic power plant : en es
  • FR689312A - Improvements to vulcanizing devices : en fr
  • US1774856A - Magnetic device : en
  • DK42855C - Device for Speakers with Resonance Bottom. : da en
  • DE506699C - Rivetless connection of sheets for metal constructions, especially in aircraft construction : de en
  • FR689130A - Process for making photoengraving clichés : en fr
  • GB334420A - An electric dry cell : en
  • DK42853C - Gravel spreader. : da en
  • DK42889C - Device for Circular Telephone Receivers for Prevention of Overrides. : da en
  • CA303597A - Calling means for power-line communications : en fr
  • US1774679A - Universal-joint assembly : en
  • DE506527C - Arrangement for regulating cascades, consisting of an asynchronous front machine and commutator rear machine : de en
  • FR689435A - Coat racks intended for lifting and launching boats : en fr
  • FR689215A - Improvements to reservoirs and similar containers : en fr
  • DE506311C - Control device for apparatus for dispensing certain amounts of liquid : de en
  • FR689297A - Device and machine for planing and grinding, portable, particularly applicable to the grinding of surfaces and in particular parquet floors : en fr
  • FR689319A - Device for powering radio stations by means of a corrugated direct current source : en fr
  • DE506297C - Device for connecting measuring devices in cable distribution systems : de en
  • ES119234A3 - A writing desk or holder for fountain pens. : en es
  • FR689061A - Internal combustion turbine : en fr
  • FR689097A - Improvements to internal combustion engines : en fr
  • DE505914C - Low capacity high frequency coil : de en
  • FR36947E - Gas water heaters : en fr
  • FR689222A - Regulator lever device for brakes of beams of looms : en fr
  • FR688961A - Method and apparatus for packaging ring-shaped objects, such as vehicle wheel rims or curvilinear pieces of metal : en fr
  • GB334451A - Memorandum tablet or block holder : en
  • GB334855A - Improvements in and relating to land transport gear for flying boats and the like : en
  • ES118376A1 - A motor device for drawbridges. : en es
  • GB334369A - Airplane launching appliances : en
  • GB334282A - Process for the manufacture of carbohydrate compounds : en
  • FR689311A - Variable pitch propeller blade in-flight control device and semi-automatic and automatic applications of this device : en fr
  • GB334416A - Foundry moulding machines : en
  • GB334317A - Improvements relating to bobbins : en
  • FR689120A - Jacquard-type punching machine with keyboard : en fr
  • GB334558A - Improvements in or relating to devices or machines for effecting grinding, or abrading operations, and to the manufacture of the same : en
  • GB334387A - Improvements in or relating to the loading and/or unloading and carrying of spare wheels on motor vehicles : en
  • US1774692A - Metal-working machine : en
  • US1774709A - Electrical switch-operating mechanism : en
  • US1774877A - Door construction : en
  • DK42870C - Device by Machines for Delivering a Predefined Number of Grains (Seeds). : da en
  • ES118626A3 - A new closure for round metal boxes consisting of several threads on the box and on the lid that make them form a screw-nut pair. : en es
  • DE506342C - Swivel chair for switch tongues : de en
  • ES117403A1 - Process for the manufacture of artificial materials, particularly cellulose derivatives threads. : en es
  • ES119267A3 - Improvements in enameled cast iron bathtubs. : en es
  • DE506545C - Process for the distillation of foaming liquids, preferably tars : de en
  • FR689400A - Card tooth for all kinds of card accessories : en fr
  • US1774569A - Thread protector : en
  • CA303645A - Manufacture of linoleum : en fr
  • US1774788A - Mechanical damper : en
  • US1775041A - Radiator : en
  • FR689429A - False : en fr
  • GB316308A - Improvements in or relating to the manufacture of abrasive paper : en
  • GB334236A - Improvements in or relating to coffins or like containers adapted to receive the remains of deceased persons : en
  • GB334261A - Improvements in manufacture of benzyl chloride : en
  • ES119145A1 - IMPROVEMENT IN THE WELDING OF THE STEEL PIECES : en es
  • ES166U - Box or case with attachment fins for the tab holders of visible chip sorters. (Machine-translation by Google Translate, not legally binding) : en es
  • US1774665A - Cleaning and polishing compound : en
  • DE506566C - Thermal tripping device for electrical circuits : de en
  • GB334464A - Improvements in boots and shoes : en
  • US1774571A - Valve for rock drills : en
  • US1774603A - Emergency lighting set : en
  • DE506538C - Device for cleaning tissues : de en
  • ES118403A1 - A procedure for obtaining potash and soda. : en es
  • GB334432A - : en
  • ES118131A1 - A new system, with the corresponding means, to reproduce the sound. : en es
  • GB334573A - Improvements in, or relating to aircraft : en
  • CA303639A - Reversible seat or chair : en fr
  • US1774609A - Method of pleparing dispersions : en
  • ES118582A1 - Improvements in the molds or platens of automatic presses destined to manufacture discs for talking machines. : en es
  • ES119279A1 - New process of industrial retting, degumming and bleaching of textile fibers, such as linen, hemp, ramie and others. : en es
  • GB334355A - Improvements in drying or evaporating apparatus of the heated roller type : en
  • ES118887A1 - Improvements introduced in fertilizers. : en es
  • US1774574A - Brassiere corset : en
  • US1775079A - Superheater boiler : en
  • CA303690A - Mail box : en fr
  • US1774744A - One-man orchestra : en
  • US1774961A - Optical protection of electrical apparatus : en
  • US1774984A - Process and apparatus for constructing nonexpansible hose : en
  • CA303678A - Display device : en fr
  • US1774741A - Air-cooled motor : en
  • US1774906A - Method of making garment bags : en
  • CA303521A - Knob lock : en fr
  • AU2501830A - Combined sound and colour motion picture record : en
  • DE506157C - Device for booking business transactions of all kinds by means of copying : de en
  • US1774991A - Self-adjusting radius rod : en
  • ES119132A1 - An improved process for the production of footwear. : en es
  • ES119299A3 - A procedure for the manufacture of waterproof fabrics. : en es
  • FR689236A - Crossing light fixture : en fr
  • FR689450A - Process for condensing steam, especially in plants operating with evaporative cooling : en fr
  • US1774619A - Electromagnetic control system : en
  • US1774992A - Priming mixture : en
  • US1775077A - Lug strap and method of making : en
  • DE505937C - Sample wheel for circular knitting machines : de en
  • DE506145C - Circulating muffle furnace with a heated double jacket formed using segments : de en
  • GB313523A - Process of refining petroleum oils : en
  • US1774972A - Gas turbine : en
  • CA303664A - Steering gear roller pin : en fr
  • US1774674A - Electrode : en
  • US1774959A - Inflammable-liquid lighter : en
  • GB334227A - Improvements in and relating to combined dough dividing and working machines : en
  • FR689447A - Rotary sleeve distribution device, for internal combustion and gradual combustion engines : en fr
  • FR689408A - Multi-cell rotary compressor and rotor with grooves : en fr
  • US1774820A - Refrigerating system : en
  • DE506354C - Oven head for Martinoefen : de en
  • CA303654A - Electrical interlock : en fr
  • CA303680A - Calculating machine : en fr
  • DE505687C - Process for the preparation of sulfuric acid- or halogen-substituted or sulfuric acid- and halogen-substituted derivatives of formaldehyde : de en
  • DE506236C - Exposure clock for x-ray photography purposes : de en
  • DE506680C - Letter sorting conveyor : de en
  • AU2212129A - Improvements in or 1 relating to mechanical shaping 1 of dough : en
  • US1774860A - Metallic structure : en
  • CA303663A - Stabilization of trichloroethylene : en fr
  • DE506376C - Device for the ignition of gas discharge vessels with mercury cathode and metallic ignition pole : de en
  • US1774755A - Whipstock anchor : en
  • US1774823A - Fare recording and receipt device : en
  • CA303493A - Non-skid device for vehicle wheels : en fr
  • ES119256A3 - Wood wire shading manufacturing procedure. : en es
  • FR689335A - Two-part pouring gutter for martin furnaces : en fr
  • GB316259A - Improvements in or relating to presses for extruding metals : en
  • US1774773A - Rotary valve for engines : en
  • ES118305A2 - IMPROVEMENTS MADE IN THE SCOPE OF MAIN PATENT NUMBER 118108 : en es
  • US1774512A - Support for lamp shades : en
  • CA303523A - Portable elevator : en fr
  • CA303564A - Hose coupling : en fr
  • DK42886C - Washing machine. : da en
  • CA303588A - Electro-magnetic sound reproducer : en fr
  • FR689278A - Process for obtaining, from coal, a partially charred coke of great value and in fragments : en fr
  • US1774513A - Parachute pack : en
  • US1774775A - Bracket for electric lights and flash lights : en
  • US1774793A - Sewer construction : en
  • US1774983A - High-pressure hose : en
  • US1774531A - Well-drilling apparatus : en
  • AU2189329A - Improved retailing magazine ofice-cream cones andthe like : en
  • CA303688A - Wood working machine brake : en fr
  • CA303539A - Electromagnetic apparatus for indicating positions at a distance without breaking the circuit : en fr
  • CA303659A - Railway crossing guard : en fr
  • US1774699A - Mechanical pencil : en
  • US1774901A - Process for chromium plating : en
  • US1774759A - Photographic sound-reproducing apparatus : en
  • USD81922S - Design for a hair-drying hood : en
  • AU2426729A - Improvements in screwcap jars and bottles : en
  • FR689136A - Method and devices for molding artificial teeth : en fr
  • FR689419A - Process for the production of water insoluble disazo dyes : en fr
  • CA303540A - Smoke abating device : en fr
  • AU2196529A - Attachment for hand cultivators : en
  • FR689370A - Mechanical lubricator : en fr
  • GB334257A - Improvements in or relating to telephone systems : en
  • CA303537A - Carbureter : en fr
  • DE500692C - Process for the production of pure iron : de en
  • DE506365C - Spring operated mine ignition device : de en
  • FR689406A - Surgical dressing : en fr
  • DE506348C - Mechanical furnace for the production of sulfate from alkali chloride and sulfuric acid or the like. : de en
  • ES118998A3 - A procedure for the manufacture of variously molded utensils and appliances, resistant to chemical and physical agents and also to mechanical actions. : en es
  • CA303703A - Program transmission over wires : en fr
  • CA303685A - Synchronous motor : en fr
  • US1775030A - Train-control system : en
  • US1774582A - Spiral stairway : en
  • DE506350C - Process for melting pulverulent masses : de en
  • US1774894A - Tractor-trailer : en
  • US1774774A - Wringer : en
  • US1774779A - Paper lead for the upper decks of printing presses : en
  • DE506650C - Device for pasting the electrodes for collectors or galvanic elements : de en
  • GB313089A - Improvements in or relating to record-card controlled printing mechanism : en
  • ES118224A1 - Improvements in regulation systems for fluid pressure and relays. : en es
  • FR689203A - Suspension for vehicles, and in particular for motor vehicles : en fr
  • US1774672A - Bumper for motor vehicles : en
  • USD81915S - Field : en
  • DK42896C - Procedure and Device for Processing Photocopies and the like with a Gaseous Type. : da en
  • USD81945S - Island : en
  • CA303611A - Valve stem : en fr
  • US1774667A - Extensible metal stopper : en
  • USRE17792E - Expansion joint : en
  • US1774554A - Apparatus for the recovery of dry distillation material : en
  • US1774965A - Electrode for the electric arc : en
  • DE506509C - Braking device acting through the pressure difference on both sides of a valve-controllable piston displaceable in a cylinder : de en
  • CA303648A - Lamp chimney : en fr
  • CA303508A - Carburetor : en fr
  • DE506190C - Rotary piston compressor with sickle-shaped working space : de en
  • US1774601A - Art of cracking hydrocarbons : en
  • USD81925S - Design for a lantern for gasoline stations and the like : en
  • DE506434C - Precipitation electrode for electrical gas cleaning systems : de en
  • DE506652C - Circuit arrangement for DC motors that work with main and shunt characteristics : de en
  • DE506191C - Device for illuminating the oral and pharynx : de en
  • FR689428A - Gol with tie : en fr
  • GB334424A - Improvements in or relating to automatic rifles : en
  • US1775002A - Hood latch : en
  • AU2327729A - Improvements in or relating to surface covering material and the decoration thereof : en
  • DE506487C - Device for the mechanical transmission of rotating movements : de en
  • USRE17793E - Tblautografhy : en
  • CA303579A - Rotary printing machine : en fr
  • US1774586A - Hair-permanent-waving heater : en
  • USD81939S - Design pok a tbaffic-signal casing : en
  • US1774998A - Brush holder : en
  • US1774766A - Disappearing bed : en
  • US1774576A - Shoe-shining machine : en
  • GB334454A - Improvements in box guide for loom lay : en
  • DE506258C - Electrodynamic underwater sound receiver : de en
  • DE506577C - Glasses for the treatment of cross-eyed eyes : de en
  • DE506340C - Furnace plant for the reduction of metal, especially iron oxides, while obtaining solid, non-molten metal : de en
  • FR689149A - Electric foot pedal for railway tracks : en fr
  • US1774557A - Folding table : en
  • US1774743A - Shoe : en
  • US1774640A - Method of cleaning wells : en
  • FR689210A - Incandescent lamp with a very narrow or concentrated incandescent body : en fr
  • CA303542A - Traction clamp : en fr
  • FR686791A - : fr
  • FR689272A - air cleaner for combustion engine carburetors : en fr
  • FR689064A - Wing frame for flying devices : en fr
  • FR689230A - Production of indigoid dyes : en fr
  • GB334447A - Improved method of and apparatus for burglar and fire alarm : en
  • US1774890A - Coin-controlled dispensing machine : en
  • DE506279C - Process for the preparation of the ureide or amide of ª ‡ -Bromo-ª ‰ -ª ‰ -diaethylpropionic acid : de en
  • FR36922E - Hernial bandage enhancements : en fr
  • US1774915A - Machine for making spikes : en
  • US1774970A - Binding terminal with connecting pieces : en
  • DE506281C - Process for the preparation of cyan derivatives of the perylene series : de en
  • FR689181A - Conveyor screw or propeller : en fr
  • US1774918A - Hose connecter for air pumps and the like : en
  • US1774939A - Well-drilling rig : en
  • US1775023A - Igniter : en
  • DE506622C - Method for cutting out recesses in piles for post gratings or the like. : de en
  • ES119192A1 - Process for the manufacture of cement, lime or similar in the tank furnace. : en es
  • GB334402A - Improvements relating to street traffic signals : en
  • FR688980A - Improvements to air filters for carburetors : en fr
  • FR689147A - Automatic switching device for vehicles, such as trams : en fr
  • GB334345A - Improved means for absorbing vibration and sounds produced in driving mechanism for gramophones and like apparatus : en
  • US1774639A - Detachable button : en
  • GB334246A - An improved apparatus for playing games : en
  • FR689159A - Improvements to detorders : en fr
  • FR689240A - Fractional Filament Incandescent Electric Lamp : en fr
  • ES119143A1 - Method of manufacturing a food paste. : en es
  • FR689202A - Improvements made to electrical switches : en fr
  • FR689083A - Fuel and air mixer : en fr
  • GB334431A - Improvements in and relating to electric distribution systems : en
  • GB334443A - Improvements in and apparatus for the low temperature carbonisation of bituminous and oil-bearing materials : en
  • GB334529A - The manufacture of soluble compositions for dyeing and printing : en
  • ES117992A1 - A process for the manufacture of soaps. : en es
  • ES118717A3 - Improvements in the advertising or display devices. : en es
  • GB334340A - Improvements in or relating to sockets for twist and like drills : en
  • AU2260429A - Improvements In or relating to linoleum andthe manufacture thereof : en
  • DE506410C - Color film : de en
  • DE506548C - Device for dewatering the labyrinth seal of steam turbines : de en
  • GB334413A - Improvements relating to the delivery of slivers from textile machines into cans : en
  • US1774907A - Method of manufacturing dentures : en
  • US1775004A - Multiple-grinding-wheel mounting : en
  • US1774550A - Stock-watering bowl : en
  • US1775007A - Chain converter : en
  • CA303624A - Furnace : en fr
  • DE506502C - Lighting equipment, in particular for advertising and signaling purposes : de en
  • DE506660C - Device for damping voltage fluctuations in an alternating current network, in particular for measuring purposes : de en
  • FR689404A - Preparation of synthetic rubbers, more particularly usable for the manufacture of pneumatic tires and tires resulting therefrom : en fr
  • DE506273C - Foot pit cover for ovens and other ovens : de en
  • FR689414A - Lock : en fr
  • US1774783A - Latching mechanism for lockers : en
  • ES119184A3 - Massage devices with elastic rubber rollers. : en es
  • FR689115A - Furniture manufacturing system with molded thermoplastics : en fr
  • DE506485C - Process for the production of a means for combating plant pests, improving the soil and serving as an irritant and nutrient for plants : de en
  • US1774835A - Traction device : en
  • US1774585A - Process for the manufacture of adsorbent carbons : en
  • US1774736A - Ornamental surface covering : en
  • US1774844A - Suction-box head for paper-making machines : en
  • DK42874C - Gramophone record. : da en
  • FR689049A - New device for controlling the drive shaft of a motorcycle, scooter or automobile : en fr
  • FR689372A - Rotating plug for electrical outlet : en fr
  • FR689371A - Improvements to low torque measuring devices for the control of transmitters, regulators or any other resistant components : en fr
  • FR689084A - Improvements to mowers and similar machines : en fr
  • FR689287A - Device for the storage and immobilization in a box of ampoules-bottles for pharmaceutical products : en fr
  • GB334441A - Improvements in or connected with elevator conveyers of the belt type : en
  • DE506558C - Arrangement for high-frequency telephony on lines, especially on high-voltage lines with two-way communication on the same phase and wave change : de en
  • DE506299C - Device for keeping constant the reference or zero point setting on the measuring instrument of electron tube voltmeters in compensation circuit : de en
  • US1774604A - Gas-cleaning apparatus : en
  • ES119289A1 - A procedure of construction of buildings by means of loose cement elements, either armed or unarmed. : en es
  • FR689153A - Advanced training for cycles, motorcycles, etc. : en fr
  • GB334540A - Improvements in or relating to apparatus for controlling the direction of the draught in air-conditioning or ventilating systems : en
  • GB334504A - Chair convertible into bedstead : en
  • GB334514A - Improvements in or relating to web supplying and controlling mechanism : en
  • GB334537A - Improvements in and relating to gramophone sound boxes : en
  • GB312925A - Improvements in apparatus for trueing profiled grinding discs : en
  • GB334393A - A process for the regeneration of the lead plates of electric accumulators : en
  • IE11129L - Safety glass : en
  • US1774937A - Oil burner : en
  • US1774889A - Washout plug : en
  • CA303500A - Fuel supplying system : en fr
  • DE506407C - License plate lantern for houses : de en
  • DK42863C - Hoisting device for electric lamps. : da en
  • FR689030A - Method and device for drying and roasting malt or the like : en fr
  • FR689102A - Improvements to table knife holders : en fr
  • ES119271A3 - An improvement in leaf spring. : en es
  • FR36936E - Improvements to micrometers intended for checking threads : en fr
  • GB315842A - Improvements in combined sound and moving picture films : en
  • FR689228A - Improvements to strapping machines : en fr
  • ES118665A1 - A new device for centrifuges of white sugar with application of special layers. : en es
  • US1774926A - Lifting jack for motor vehicles and other vehicles : en
  • ES118857A1 - A process of treating crude silvinitic salts to obtain potassium-sodium nitrate or sodium potassium nitrate and soda. : en es
  • GB334564A - Improvements in the manufacture and production of urea or products containing the same : en
  • DE494483C - Method and device for integrating shafts over the shoe last : de en
  • ES119160A1 - Procedure for automatic charging of lead accumulator batteries. : en es
  • DE506666C - Device for measuring high voltages : de en
  • FR689225A - Frost <crocodile> upgrades : en fr
  • FR686684A - : fr
  • FR689186A - Fuel injection needle valve, especially for diesel engines : en fr
  • GB334370A - Improvements in ink : en
  • DE506440C - Process for the preparation of 2-haloanthraquinone-3-carboxylic acids : de en
  • DE506480C - Table calculator with counters in the movable paper trolley and one or more stationary counters : de en
  • DE506532C - Process for the production of cement concrete bodies : de en
  • FR36929E - Improvements to shaping machines for headgear : en fr
  • FR686808A - : fr
  • GB334250A - Improvements in clamping devices for holding projection lamps of different kinds in position upon cinematograph apparatus : en
  • GB334372A - Improvements in or relating to adjustable shelving and supporting means for trays and bins : en
  • GB334446A - : en
  • GB334449A - Manufacture of basic bismuth salts of organic arsonic acids : en
  • ES119169A1 - Protective installation for hydraulic power plants. : en es
  • US1774853A - Automobile equalizer : en
  • FR689275A - Ester preparation process : en fr
  • DE506308C - Fastening and tensioning device for the fabric arranged on the work roll of a floor polishing machine : de en
  • US1774757A - Dust collector : en
  • FR689065A - Improvements in electromagnetic loudspeaker motors : en fr
  • FR689413A - Flexible semi-metallic fabric or object : en fr
  • GB334302A - Improvements in display stands : en
  • US1774605A - Apparatus for lifting automobiles and the like : en
  • US1774704A - Bomb sight : en
  • DE506533C - Rock drill with water flush : de en
  • DE506366C - Compensating connections for DC or AC commutator machines : de en
  • DE506390C - Cork cutting machine : de en
  • DK42888C - Release valve for single chamber compressed air brakes. : da en
  • FR689043A - Improvements to steering devices controlled by a prime mover : en fr
  • US1775033A - Island : en
  • USD81927S - of toledo : en
  • ES119166A1 - INSTALLATION FOR THE CREATION OF CLEAR SPACES IN BUILDINGS : en es
  • DE506417C - Removable dust and hub caps for automobile bikes : de en
  • FR689034A - Case-case particularly intended for hand sewing machines : en fr
  • US1774776A - Pneumatic spiral water pump : en
  • US1774529A - Machine for vacuumizing containers : en
  • US1774663A - Pump : en
  • USRE17787E - Leon ottinger : en
  • FR689026A - Calculating machine writing and simultaneously multiplying automatically : en fr
  • FR689279A - Agglomeration machine : en fr
  • US1774687A - Process of metal casting : en
  • US1774974A - Power plant : en
  • ES118128A2 - IMPROVEMENTS IN ADDICTION PATENT NUMBER 117941 : en es
  • ES119189A1 - Improvements in grain separating-cleaning machines. : en es
  • FR689389A - Sheet metal cleaning machine : en fr
  • US1774694A - Production of varicolored effects : en
  • US1775014A - Hard metallic composition : en
  • USD81926S - Mabqeby h : en
  • US1774584A - Pencil sharpener : en
  • FR689355A - Shoe : en fr
  • GB316932A - Improvements in or relating to the vulcanisation of rubber : en
  • FR688959A - Pattern forming mechanism, for knitting machines : en fr
  • FR689150A - Propulsion device for seaplanes : en fr
  • US1775001A - Ramp structure : en
  • DE506444C - Process for the preparation of conversion products of 1-cyannaphthalene-4-sulphonic acid and its core substitution products : de en
  • DE506642C - Brake for compression and stamping presses consisting of a one-piece brake ring : de en
  • ES119161A1 - PROCEDURE FOR THE MANUFACTURE OF EXPLOSIVES : en es
  • FR688971A - Radiator : en fr
  • FR689176A - Mercury vapor rectifier with return ignition protection : en fr
  • AU2223529A - Improved manufacture of loops or surrounds specially privy seats game rackets andthe like : en
  • US1774916A - Bumper bar : en
  • US1775073A - Vacuum tube circuits : en
  • CA303693A - Amusement device : en fr
  • CA303694A - Welded joint for radiators : en fr
  • DE506319C - Holder for spools of thread on the spool pin of a sewing machine : de en
  • DE506530C - Fire extinguishing system with an electrically non-conductive extinguishing fluid : de en
  • DE506219C - Cylinder for double-acting internal combustion engines : de en
  • DK42865C - Apparatus for Housing and Polishing of Floors and Other Surfaces. : da en
  • FR688974A - Parachute support : en fr
  • FR689325A - Coverage for automobile operators and others : en fr
  • DE506401C - Device for specifying rhythms, especially the beat for musicians : de en
  • US1774538A - Radio receiving aerial : en
  • US1774893A - Screen : en
  • FR689000A - Improvements to refrigeration devices : en fr
  • FR689063A - Manufacturing process of perfume mixtures : en fr
  • AU2242529A - Swimming suit : en
  • GB334254A - Improvements in cam generating machines : en
  • GB334389A - Improved process for the hydrogenation of coal : en
  • US1774981A - Can-washing machine : en
  • US1775005A - Multiple drill : en
  • CA303516A - Plaiter : en fr
  • CA303700A - Rolling mill plant : en fr
  • GB334318A - Improvements in automatic adjusting device for brake members : en
  • GB334338A - A new or improved bird-scaring device : en
  • GB334407A - Improvements in steam locomotives : en
  • US1774633A - Process for the separation of constituents of coke-oven gases and the like : en
  • US1774635A - Electric heater : en
  • US1775035A - Shuttle box for looms : en