Inventor · disambiguated record
Robert D. Kachman
Also filed as: KACHMAN ROBERT D
3 granted patents·50 citations·filing 1977–1991
72Inventor score
Top patents by PatentIndex Score
3 records- 0159US4142973AValve with indicator circuitFACET ENTERPRISES·Filed 1977·Granted Mar 6, 1979·19 cites·8 claims
- 0258US4907615AHigh frequency response servovalve with electrical position feedback element structure and methodSCHENCK PEGASUS CORP·Filed 1987·Granted Mar 13, 1990·23 cites·26 claims
- 0335US5133380APneumatic control valveSCHENCK PEGASUS CORP·Filed 1991·Granted Jul 28, 1992·8 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →