Inventor · disambiguated record
Derek Tate Schappell
Also filed as: SCHAPPELL DEREK T · SCHAPPELL DEREK TATE
3 granted patents·186 citations·filing 1994–1997
77Inventor score
Files withMAROTTA SCIENTIFIC CONTROLS2
Top patents by PatentIndex Score
3 records- 0189US6026847AMagnetostrictively actuated valveFiled 1997·Granted Feb 22, 2000·118 cites·15 claims
- 0279US5501425AMagnetostrictively actuated valveMAROTTA SCIENTIFIC CONTROLS·Filed 1994·Granted Mar 26, 1996·42 cites·34 claims
- 0365US5868375AMagnetostrictively actuated valveMAROTTA SCIENTIFIC CONTROLS·Filed 1997·Granted Feb 9, 1999·26 cites·80 claims
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