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William Arthur Oubridge (1880-1942), founder of the British Piston Ring Co
1880 Born in Hornsey
1894-7 Apprenticed at T. Noakes and Son, Brick Lane, London
1898 Apprenticed with J. Lock, Farringdon Road, London
1898-1900 Draughtsman with Dickinson Sword Co, Chelsea
1901-3 Assistant to Prof. R. H. Smith, consulting engineer
1903-06 Draughtsman with Ludwig Loewe and Co, London
1904 Married Jessie Barnes in Hackney
1906-09 Chief draughtsman with Premier Cycle Co, Coventry
1909-16 Works manager with Duplex Tube Co, Coventry
1911 William A Oubridge 30, Mechanical Engineer, Piston ring manufacturer, employer, lived in Coventry with Jessie Oubridge 31, Violet Oubridge 6, Majorie Oubridge 2
c.1916 MD of British Chuck and Piston Ring Co
1916 Associate Member of I Mech E
He designed and patented a range of ingenious machinery and equipment. He also designed specialized components, including cylinder liners for engines, ideally manufactured by the centrifugal casting process for which he obtained several patents.
1923 Became a Member of I Mech E
His son V. W. Oubridge succeeded him as managing director and W. N. Lindley took on the chairmanship.
1941/42 Obituary 
William Arthur Oubridge was born in 1880 and apprenticed to engineering with Noakes and Co., of London.
He died on 2nd January, 1942, at the age of 61.
He was elected a Member in 1934.