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Blumfield were motorcycles produced in 1903 and from 1910-1914.
See also: Thomas William Blumfield.
These machines were built at Lower Essex Street, Birmingham, from 1910 onwards.
1897 – 8. Blumfield Manufacturing Ltd.
1903 The earliest model with the Blumfield name, powered by a Minerva engine, was known to have been running around Birmingham.
1908 Business established in Lower Essex St, Birmingham
1910 Blumfield Ltd. Lower Essex Street Birmingham. Development and production of a number of air and water cooled engines and frames. With entries in the Isle Of Man TT for 4 years. Blumfield Ltd continued without him till 1929, seemingly remaining dormant after the Great War.
1910 The marque reappeared and ran in the TT. Two production models were available. Typical of the era, they had 5hp or 7hp V-twin engines, belt drive and sprung forks.
1912 Singles and twin ranging from 3.5hp to 9hp were offered as well as a two-speed gearbox. They also supplied fittings to the trade.
1913 They entered the TT once again but were not successful.
1914 Motor engineers. Specialities: motor cycle and cycle car engineers. 
1914 No further motorcycles were produced after that year.
1922 of 70, Lower Essex Street, Birmingham. Manufactures of Cox Atmos carburetters.
The British Motorcycle Directory - Over 1,100 Marques from 1888 - by Roy Bacon and Ken Hallworth. Pub: The Crowood Press 2004 ISBN 1 86126 674 X