Inventor · disambiguated record
Heinz Frey
Also filed as: FREY HEINZ
14 granted patents·216 citations·filing 1988–2000
93Inventor score
Top patents by PatentIndex Score
14 records- 0184US5015898AContinuously variable driveFREY HEINZ·Filed 1988·Granted May 14, 1991·36 cites·10 claims
- 0280US4966043ACrank driveFREY HEINZ·Filed 1988·Granted Oct 30, 1990·37 cites·5 claims
- 0371US5033996AContinuously variable driveFREY HEINZ·Filed 1989·Granted Jul 23, 1991·22 cites·10 claims
- 0468US5280807ASupply circuit for a two-tube hydraulic systemASEA BROWN BOVERI·Filed 1992·Granted Jan 25, 1994·27 cites·9 claims
- 0553US5427419APipe systemASEA BROWN BOVERI·Filed 1993·Granted Jun 27, 1995·20 cites·12 claims
- 0650US5217199AConnecting valve and hydraulic oil safety and power system in which the connecting valve is usedASEA BROWN BOVERI·Filed 1992·Granted Jun 8, 1993·26 cites·11 claims
- 0743US6241211B1Plate valveABB ALSTOM POWER CH AG·Filed 2000·Granted Jun 5, 2001·1 cites·4 claims
- 0839US5269141AHydraulic safety and regulating systemASEA BROWN BOVERI·Filed 1992·Granted Dec 14, 1993·18 cites·14 claims
- 0935US5467683AActuating drive for a control valveABB MANAGEMENT AG·Filed 1994·Granted Nov 21, 1995·4 cites·4 claims
- 1035US5137253AActuatorASEA BROWN BOVERI·Filed 1990·Granted Aug 11, 1992·11 cites·10 claims
- 1130US5435227AOperating mechanism for a hydraulic actuator having a pressure-proportional actuating signalASEA BROWN BOVERI·Filed 1993·Granted Jul 25, 1995·5 cites·10 claims
- 1230US5193779AActuating driveASEA BROWN BOVERI·Filed 1990·Granted Mar 16, 1993·6 cites·7 claims
- 1329US5070766AHydraulic valve actuatorASEA BROWN BOVERI·Filed 1990·Granted Dec 10, 1991·1 cites·5 claims
- 1426US5238020AHydraulic valveASEA BROWN BOVERI·Filed 1992·Granted Aug 24, 1993·2 cites·10 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →