Individual holder
HEWITT JOHN T
10 granted patents·166 citations·filing 1975–2008
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
10 records- 0188US4647892ADual magnetic sensorHEWITT JOHN T·Filed 1984·Granted Mar 3, 1987·40 cites·2 claims
- 0278US4020814ADiesel engine control meansHEWITT JOHN T·Filed 1975·Granted May 3, 1977·27 cites·10 claims
- 0371US7658104B2Liquid level sensor with level alarmHEWITT JOHN T·Filed 2008·Granted Feb 9, 2010·8 cites·22 claims
- 0469US4023549AExhaust temperature monitoring systemHEWITT JOHN T·Filed 1975·Granted May 17, 1977·24 cites·10 claims
- 0567US4157701ADiesel engine control meansHEWITT JOHN T·Filed 1977·Granted Jun 12, 1979·18 cites·7 claims
- 0667US4078531AExhaust temperature monitoring systemHEWITT JOHN T·Filed 1976·Granted Mar 14, 1978·18 cites·8 claims
- 0766US4351293ADiesel vehicle speed control systemHEWITT JOHN T·Filed 1979·Granted Sep 28, 1982·16 cites·14 claims
- 0859US7634944B2Liquid level sensorHEWITT JOHN T·Filed 2007·Granted Dec 22, 2009·4 cites·29 claims
- 0956US7587940B2Liquid level sensor with flow restrictorHEWITT JOHN T·Filed 2007·Granted Sep 15, 2009·3 cites·24 claims
- 1047US4148289ADiesel engine control meansHEWITT JOHN T·Filed 1977·Granted Apr 10, 1979·8 cites·9 claims
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