Inventor · disambiguated record
George C. Derbyshire
Also filed as: DERBYSHIRE GEORGE C · DERBYSHIRE GEORGE CECIL
15 granted patents·172 citations·filing 1974–1986
93Inventor score
Top patents by PatentIndex Score
15 records- 0181US4097054ADrill chucksJACOBS MFG CO·Filed 1976·Granted Jun 27, 1978·29 cites·9 claims
- 0280US3974868AHand toolsJACOBS MFG CO·Filed 1975·Granted Aug 17, 1976·31 cites·2 claims
- 0378US4094523ADrill chucksJACOBS MFG CO·Filed 1976·Granted Jun 13, 1978·24 cites·9 claims
- 0469US4240771ABreast drillsJACOBS MFG CO·Filed 1978·Granted Dec 23, 1980·19 cites·4 claims
- 0569US4154450ADrill chucksJACOBS MFG CO·Filed 1978·Granted May 15, 1979·17 cites·3 claims
- 0659US4186933AKeys for drill chucksJACOBS MFG CO·Filed 1978·Granted Feb 5, 1980·12 cites·3 claims
- 0758USD259855SDrill chuckTHE JACOBS MFG CO LTD·Filed 1978·Granted Jul 14, 1981·7 cites·1 claims
- 0857US4111079AKeys for drill chucksJACOBS MFG CO·Filed 1977·Granted Sep 5, 1978·13 cites·6 claims
- 0940US4067587ADrill chucksJACOBS MFG CO·Filed 1976·Granted Jan 10, 1978·6 cites·3 claims
- 1039US3992020ADrill chucksJACOBS MFG CO·Filed 1975·Granted Nov 16, 1976·5 cites·13 claims
- 1136US3934891ADrill chuck and method of assemblyJACOBS MFG CO·Filed 1974·Granted Jan 27, 1976·4 cites·4 claims
- 1233US3935889AHand toolsJACOBS MFG CO·Filed 1974·Granted Feb 3, 1976·3 cites·1 claims
- 1330US4157836AKeys for manually operated work-holding chucksCHICAGO PNEUMATIC TOOL CO·Filed 1978·Granted Jun 12, 1979·1 cites·2 claims
- 1429US4684139ADrill chuckJACOBS MFG CO·Filed 1986·Granted Aug 4, 1987·0 cites·4 claims
- 1529US4073498ADrill chucksJACOBS MFG CO·Filed 1976·Granted Feb 14, 1978·1 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →