Grace's Guide

British Industrial History

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Ernst Gustav Hoffmann

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Ernst Gustav Hoffmann of the Hoffmann Manufacturing Co

c.1864 Born in Dresden, Saxony, Germany

1890 Lived in Beaconsfield Road, Friern Barnet[1]

1891 Ernest G Hoffmann, inventor (engineer), lived in Friern Barnet, with Mathilde, 30, Mary J. Doull, 42 (wife to J. Doull C.E. absent), Beatrice J Doull, 13, Margaret E. Doull, 11, Florence E Doull, 11[2]

1892 Ernst Gustav Hoffmann patented improvements in methods of making balls (a ball lathe) (1893 US patent)

1892 Patent on improvements in casters for furniture

1892 Entered the USA for the first time

1895 Patent on improvement in casters and caster sockets; address: New York

1897 Geoffrey Foster Barrett and Charles Barrett persuaded Hoffmann to come (back) to the UK

1898 Sold the patent rights on bearings to a new public company incorporated as Hoffmann Manufacturing Co

1898 Patents, with Hoffman Manufacturing Co, both of Barbican, London, on improvements in stop mechanism for turning or cutting machines; on drive chains; on devices for feeding wire for machines adapted for ball making, etc; on machines adapted for making balls, rivets, screws, etc; on circular cutters for lathes.

1898 Patent on improved means of actuating clutches, brakes, etc; address: Barbican

1899 Patents on improvement in worm gears in connection with elevator apparatus; on thrust bearings; on driving and brake mechanisms for cycles; address: Chelmsford

1900 Patents on improvements in locking devices for nuts; address: Chelmsford

1901 Ernest G Hoffmann, Manager, mechanical engineer, lived in Chelmsford with Matilda Hoffmann 41[3]

1903 Hoffmann left the Hoffmann Manufacturing company

1905 Naturalised US citizen[4]

See Also


Sources of Information

  1. Kelly's Directory
  2. 1891 census
  3. 1901 censu
  4. U.S. Naturalization Record Indexes