Inventor · disambiguated record
Derek J. Whitehead
Also filed as: WHITEHEAD DEREK · WHITEHEAD DEREK J · WHITEHEAD DEREK JAMES
8 granted patents·1 pending application·271 citations·filing 1983–2006
89Inventor score
Top patents by PatentIndex Score
9 records- 0188US4642230ARelease deviceCASTEX PROD·Filed 1985·Granted Feb 10, 1987·107 cites·20 claims
- 0286US4566059AConverter with lossless snubbing componentsVENUS SCIENT INC·Filed 1983·Granted Jan 21, 1986·41 cites·25 claims
- 0366US6030637APellet for administration to ruminantsFiled 1995·Granted Feb 29, 2000·31 cites·19 claims
- 0463US5342576AMagnesium manganese alloyCASTEX PROD·Filed 1991·Granted Aug 30, 1994·30 cites·5 claims
- 0544US4578263APharmaceutical pelletCASTEX PROD·Filed 1984·Granted Mar 25, 1986·34 cites·14 claims
- 0644US2009148485A1Controlled Release Devices and Structural Elements for Use in Their ManufactureCASTEX PROD·Filed 2006·Application pending·0 cites
- 0739US4765837AAlloy and product made therefromWHITEHEAD DEREK J·Filed 1987·Granted Aug 23, 1988·7 cites·21 claims
- 0833US4863455APellet for administration to ruminantsCASTEX PROD·Filed 1987·Granted Sep 5, 1989·17 cites·15 claims
- 0931US4670817AHeat sink and interconnection arrangement for series connected power diodesVENUS SCIENT INC·Filed 1984·Granted Jun 2, 1987·4 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →