Inventor · disambiguated record
David W. Bull
Also filed as: BULL DAVID · BULL DAVID ERIC · BULL DAVID W
18 granted patents·2 pending applications·360 citations·filing 1976–2024
94Inventor score
Top patents by PatentIndex Score
20 records- 0195US4300026AElectrical switchNARTRON CORP·Filed 1979·Granted Nov 10, 1981·62 cites·14 claims
- 0291US5828458ATurbidity sensorNARTRON CORP·Filed 1995·Granted Oct 27, 1998·115 cites·22 claims
- 0390US5270645ALinear-output, temperature-stable rotational sensor including magnetic field responsive device disposed within a cavity of a flux concentratorNARTRON CORP·Filed 1991·Granted Dec 14, 1993·92 cites·17 claims
- 0484US10230881B2Camera housing with slidable image sensor unitAXIS AB·Filed 2017·Granted Mar 12, 2019·5 cites·17 claims
- 0581USD848505SMonitoring cameraAXIS AB·Filed 2018·Granted May 14, 2019·16 cites·1 claims
- 0668US4204102AElectrical switchNARTRON CORP·Filed 1977·Granted May 20, 1980·13 cites·32 claims
- 0767USD849097SMonitoring cameraAXIS AB·Filed 2018·Granted May 21, 2019·8 cites·1 claims
- 0862US4290092ALamp assembly light shield and retaining meansNARTRON CORP·Filed 1979·Granted Sep 15, 1981·13 cites·12 claims
- 0959USD849093SMonitoring cameraAXIS AB·Filed 2017·Granted May 21, 2019·6 cites·1 claims
- 1041USD1103241SMonitoring cameraAXIS AB·Filed 2024·Granted Nov 25, 2025·0 cites·1 claims
- 1138US5576524AMethod and apparatus for aligning turn signal switchNARTRON CORP·Filed 1994·Granted Nov 19, 1996·7 cites·12 claims
- 1238US4283611AElectrical switchNARTRON CORP·Filed 1979·Granted Aug 11, 1981·3 cites·16 claims
- 1338US4231082ALamp assembly light shield and retaining meansNARTRON CORP·Filed 1978·Granted Oct 28, 1980·5 cites·17 claims
- 1438US2002189058A1Sensor clipDATAPAQ LTD·Filed 2002·Application pending·0 cites
- 1537US2002050369A1Thermal insulation apparatusFiled 2001·Application pending·0 cites
- 1634US5568118AFailsafe moduleNARTRON CORP·Filed 1994·Granted Oct 22, 1996·6 cites·13 claims
- 1734US4081633AMulti-function electrical switch assemblyNARTRON CORP·Filed 1976·Granted Mar 28, 1978·2 cites·9 claims
- 1829US5373281AFailsafe moduleNARTRON CORP·Filed 1993·Granted Dec 13, 1994·3 cites·7 claims
- 1929US4126375ALens shield meansNARTRON CORP·Filed 1977·Granted Nov 21, 1978·1 cites·17 claims
- 2024US5020197ABody positioning deviceBULL DAVID W·Filed 1990·Granted Jun 4, 1991·3 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →