Inventor · disambiguated record
Douglas J. Tanner
Also filed as: TANNER DOUGLAS J
9 granted patents·146 citations·filing 1983–2016
89Inventor score
Top patents by PatentIndex Score
9 records- 0181US4558605AValve actuator couplingGEN SIGNAL CORP·Filed 1983·Granted Dec 17, 1985·24 cites·9 claims
- 0278US10323759B2Check valve control unitDEZURIK INC·Filed 2016·Granted Jun 18, 2019·4 cites·18 claims
- 0377US6668848B2Pneumatic volume booster for valve positionerSPX CORP·Filed 2001·Granted Dec 30, 2003·18 cites·19 claims
- 0477US6484751B2Position detection for rotary control valvesSPX CORP·Filed 2001·Granted Nov 26, 2002·23 cites·21 claims
- 0573US6244296B1Position detection for rotary control valvesSPX CORP·Filed 1999·Granted Jun 12, 2001·33 cites·22 claims
- 0663US5176464AMechanical coupling particularly adapted for coupling a valve and actuatorGEN SIGNAL CORP·Filed 1991·Granted Jan 5, 1993·23 cites·38 claims
- 0758US6357335B1Pneumatic volume booster for valve positionerSPX CORP·Filed 1999·Granted Mar 19, 2002·15 cites·18 claims
- 0853US6659247B2Pneumatic volume booster for valve positionerSPX CORP·Filed 2001·Granted Dec 9, 2003·3 cites·20 claims
- 0924US5226851ALow backlash compensating couplerGEN SIGNAL CORP·Filed 1991·Granted Jul 13, 1993·3 cites·14 claims
Join the waitlist — get patent alerts
Get an alert when Douglas J. Tanner files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →