Inventor · disambiguated record
David R. Shoptaw
Also filed as: SHOPTAW DAVID R
3 granted patents·208 citations·filing 1988–1988
78Inventor score
Technology areasG01F
Files withHYDRO CRAFT INC3
Top patents by PatentIndex Score
3 records- 0190US4885943AElectronic flowmeter system and methodHYDRO CRAFT INC·Filed 1988·Granted Dec 12, 1989·96 cites·18 claims
- 0287US4887469AHigh accuracy turbine flowmeter with optical sensorHYDRO CRAFT INC·Filed 1988·Granted Dec 19, 1989·68 cites·7 claims
- 0379US4980825AServo valve analyzing system and methodHYDRO CRAFT INC·Filed 1988·Granted Dec 25, 1990·44 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →