Ernest Charles Hatcher: Difference between revisions
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1943 Patent on "Variable-Pitch Marine Propeller" with [[J. Stone and Co]]., Ltd. | 1943 Patent on "Variable-Pitch Marine Propeller" with [[J. Stone and Co]]., Ltd. | ||
1978 Died in Northwood | |||
==See Also== | ==See Also== | ||
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[[Category: Biography ]] | [[Category: Biography ]] | ||
[[Category: Births 1890-1899]] | [[Category: Births 1890-1899]] | ||
[[Category: Deaths | [[Category: Deaths 1970-1979]] | ||
Revision as of 16:16, 13 August 2024
Major Ernest Charles Hatcher
1891 Born on the Isle of Dogs.
1917 Lieut R.N.V.R. Married Eleanor Florence Jenkins in Chiswick; his father, Robert, was an automobile engineer[1]
1918 Served in RAF.
1920 With Thomas Rooke patented "Improvements in reduction gear "; possibly this led to the formation of the H-R Reduction Gear Syndicate.
1922 Invented a new form of speed reduction/changing gear.
1927 Patent with J. Stone and Co on "Power-transmission gearing for the running axles of vehicles", the first of many patents with the company.
1939 Ernest C Hatcher, designing engineer - aircraft, lived in Ruislip with Eleanor F Hatcher (b 1896) and Joan Hatcher (b 1917)[2]
1942 Patent on "Improvements in or connected with electric gyroscopes" with Stone Platt Engineering Co (the later Canadian patent also included R. B. Pullin and Co).
1943 Patent on "Variable-Pitch Marine Propeller" with J. Stone and Co., Ltd.
1978 Died in Northwood