William Helmore - Patents

Patents

GB patent 344806, William Helmore; Andrew Swan, "An improved trap for flame resulting from explosion of gases in a conduit", issued 1931-03-02
GB patent 351613, William Helmore, "Improved means for protecting internal-combustion engines for use on aircraft or other vehicles", issued 1931-07-02
GB patent 352550, William Helmore, "Improvements relating to the supply of fuel to internal combustion engines", issued 1931-07-13
GB patent 354398, William Helmore, "Improvements relating to fuel for internal combustion engines", issued 1931-08-13
GB patent 366947, William Helmore, "Improvements in and methods of using fuels in internal combustion engines", issued 1932-02-03
US patent 1849051, William Helmore, "Fuel oil for compression ignition engines", issued 1932-03-08, assigned to Imperial Chemical Industries Ltd
US patent 1849051, William Helmore, "Fuel oil for compression ignition systems", issued 1932-03-08, Assigned to Imperial Chemical Industries Ltd
US patent 1887305, William Helmore; Andrew Swan, "Device for use in association with gases or gas-liquid mixtures, as alpha flame or explosion trap, alpha mixer, alpha flow controller, alpha silencer, or alpha cooler", issued 1932-11-08
US patent 1887305, William Helmore and Andrew Swan, "Device for use in association with gases or gas-liquid mixtures, as a flame or explosion trap, a mixer, a flow controller, a silencer, or a cooler", issued 1932-11-08
DE patent 564899, William Helmore, "Verfahren zur Herstellung eines Brennstoffes fuer Brennkraftmaschinen mit Kompressionszuendung", issued 1932-11-24
GB patent 394736, William Helmore, "Improvements in or relating to testing combustible fluids", issued 1933-07-06
GB patent 398222, William Helmore; Ernest Walter John Mardles, "Improvements relating to lubricating oils", issued 1933-09-11
CA patent 338398, William Helmore and Ernest Walter John Mardles, "Lubricating Oil", issued 1934-01-02, assigned to CCWakefield &Co Ltd
GB patent 414410, Alan Arnold Griffith; William Helmore, "Means for preventing freezing of the induction systems of internal combustion engines", issued 1934-08-03
GB patent 417653, Ernest Walter John Mardles; William Helmore, "Improvements in the treatment of fuel spirits", issued 1934-10-01
GB patent 423510, Andrew Swan; William Helmore, "Improvements relating to preventing freezing of the induction systems of internal combustion engines", issued 1935-02-04
GB patent 423938, Ernest Walter John Mardles; William Helmore, "The inhibition of deterioration in olefinic oils and spirits", issued 1935-02-11
GB patent 427260, William Helmore; Alan Arnold Griffith, "Means for testing lubricating oils", issued 1935-04-18
US patent 2001164, Andrew Swan; William Helmore, "Induction system for internal combustion engines", issued 1935-05-14
US patent 2001164, William Helmore, "Induction system for internal combustion engines", issued 1935-05-14
GB patent 429682, Andrew Swan; Alan Arnold Griffith; William Helmore, "Improved means for regulating the supply of fuel and/or other fluids to internal combustion engines", issued 1935-06-04
CA patent 351407, Alan Arnold Griffith; William Helmore, "Lubricant Production", issued 1935-07-02, assigned to CCWakefield &Co Ltd
FR patent 784876, Andrew Swan; William Helmore, "Perfectionnements aux dispositifs d'aspiration de moteurs à combustion interne", issued 1935-07-27
US patent 2032279, Alan Arnold Griffith; William Helmore, "Treatment of lubricating oils", issued 1936-02-25, assigned to CCWakefield &Co Ltd
US patent 2032279, Alan Arnold Griffith and William Helmore, "Treatment of lubricating oils", issued 1936-02-25, Assigned to CCWakefield &Co Ltd
GB patent 446914, Alan Arnold Griffith; William Helmore, "Improvements in or relating to the exhaust systems of internal combustion engines", issued 1936-05-08
GB patent 446915, Alan Arnold Griffith; William Helmore, "Improvements in relating to the exhaust silencers of internal combustion engines", issued 1936-05-08
GB patent 446983, Andrew Swan; William Helmore, "Ice accretion indicator for aircraft and internal combustion engines", issued 1936-05-11
GB patent 449532, Andrew Swan; William Helmore, "Means for automatically preventing detrimental ice formation in aircraft", issued 1936-06-22
US patent 2045389, William Helmore; Alan Arnold Griffith, "Induction system for internal combustion engines", issued 1936-06-23, assigned to HM Hobson Aircraft & Motor
US patent 2045389, William Helmore and Alan Arnold Griffith, "Induction system for internal combustion engines", issued 1936-06-23, Assigned to H.M.Hobson (Aircraft and Motor) Components Limited
GB patent 473288, William Helmore, "An improved internal-combustion engine", issued 1937-10-08
FR patent 825380, William Helmore and Alan Arnold Griffith, "Perfectionnements apportés aux moteurs à combustion interne", issued 1938-03-02
US patent RE20775, Andrew Swan and William Helmore, "System for preventing detrimental ice formation", issued 1938-06-28, Assigned to H.M.Hobson (Aircraft and Motor) Components Limited
US patent 2137941, William Helmore and Alan Arnold Griffith, "Internal combustion engine", issued 1938-11-22
US patent 2137941, William Helmore and Alan Arnold Griffith, "Internal combustion engine", issued 1938-11-22
GB patent 510244, William Helmore, "Improved lubricating oils", issued 1939-07-28
GB patent 512689, William Helmore, "Improvements in plate heat exchangers for fluids", issued 1939-09-22
GB patent 526269, William Helmore, "Improvements in air speed indicators", issued 1940-09-13
GB patent 530824, William Helmore, "Improvements in flame or explosion traps", issued 1940-12-23
US patent 2229740, William Helmore, "Air speed indicator", issued 1941-01-28
US patent 2229740, William Helmore, "Speed Indicator", issued 1941-01-28
FR patent 865601, William Helmore, "Perfectionnements aux indicateurs de vitesse de l'air", issued 1941-05-29
GB patent 531610, William Helmore, "Improvements in flame or explosion traps", issued 1941-01-08
GB patent 542592, William Helmore, "Improvements relating to the control of the temperature of charges supplied to internal combustion engines", issued 1942-01-19
GB patent 548062, William Helmore, "Improvements in or relating to flame or explosion traps", issued 1942-09-23
CA patent 414919, William Helmore, "Engine charge temperature control device", issued 1943-08-31, assigned to Imperial Chemical Industries Ltd
US patent 2333567, William Helmore, "Electrolytic process of forming flame or explosion traps", issued 1943-11-02
US patent 2333567, William Helmore, "Electrolytic process of forming flame or explosion traps", issued 1943-11-02
CA patent 418103, William Helmore, "Flame or Explosion Trap", issued 1944-02-01
US patent 2372272, William Helmore, "Apparatus for controlling temperature of boosted charge of internal-combustion engines", issued 1945-03-27, assigned to Imperial Chemical Industries Ltd
US patent 2372272, William Helmore, "Apparatus for controlling temperature of boosted charge of internal-combustion engines", issued 1945-03-27, Assigned to Imperial Chemical Industries Ltd
US patent 2391311, William Helmore, "Lubricating composition", issued 1945-12-18, assigned to CCWakefield &Co Ltd
US patent 2391311, William Helmore, "Lubricating composition", issued 1945-12-18, Assigned to CCWakefield &Co Ltd
GB patent 574970, Frederick Sidney Cotton; William Helmore, "An improved method and means for intercepting night flying hostile aircraft", issued 1946-01-29
GB patent 575093, Frederick Sidney Cotton; William Helmore, "Improvements in or relating to searchlights for use in aircraft", issued 1946-02-04
GB patent 576118, Frederick Sidney Cotton; William Helmore, "Improvements in or relating to navigation lights for night-flying aircraft", issued 1946-03-20
GB patent 576214, William Helmore, "Improvements in or relating to the mounting of searchlights on aircraft", issued 1946-03-25
GB patent 579159, William Helmore, "Improvements in or relating to submersible watercraft driven by internal-combustion engines", issued 1946-07-25
US patent 2413350, William Helmore, "Air intake pipe for motor watercraft", issued 1946-12-31
US patent 2413350, William Helmore, "Air intake pipe for motor watercraft", issued 1946-12-31
US patent 2551124, William Helmore, "Lubricating compositions and additives therefor", issued 1951-05-01, assigned to CCWakefield &Co Ltd
US patent 2551124, William Helmore, "Lubricating compositions and additives therefor", issued 1951-05-01, Assigned to CCWakefield &Co Ltd
DE patent 832029, William Helmore, "Mineraloelschmiermittel", issued 1952-03-24
GB patent 743201, William Helmore, "Improvements in or relating to heat exchangers", issued 1956-01-11
GB patent 745914, William Helmore, "Improvements in or relating to heat exchangers", issued 1956-03-07
GB patent 745936, William Helmore, "Improvements in or relating to corrugated sheet material", issued 1956-03-07
CA patent 560166, William Helmore, "Lubricating compositions and additives therefor", issued 1958-07-08, assigned to CCWakefield &Co Ltd
GB patent 851758, William Helmore, "Improvements in or relating to means for collecting litter", issued 1960-10-19
US patent 3309795, William Helmore, "Mechanisms for simulating the movement of vehicles", issued 1961-07-12
FR patent 1301003, William Helmore, "Perfectionnements apportés aux agencements de simulation des mouvements des véhicules", issued 1962-08-10
GB patent 918705, William Helmore, "Improvements in or relating to mechanisms for simulating the movement of vehicles", issued 1963-02-20
CA patent 676942, William Helmore, "Mechanisms for simulating the movement of vehicles", issued 1963-12-31
GB patent 979495, William Helmore, "Improvements in or relating to mechanisms for simulating the movement of vehicles", issued 1965-01-06
GB patent 1004005, Air Commodore William Helmore, "Improvements in or relating to means for reducing the effect on the occupant of a vehicle of changes in the velocity of the vehicle", issued 1965-09-08

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