P

Inventor

TANNER DOUGLAS J

US9 patents
⚠️ This page may combine multiple inventors who share the name “TANNER DOUGLAS J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SPX CORP

5 patents
US6668848B2Dec 30, 2003

Pneumatic volume booster for valve positioner

SPX CORP18 citations91
US6357335B1Mar 19, 2002

Pneumatic volume booster for valve positioner

SPX CORP15 citations91
US6484751B2Nov 26, 2002

Position detection for rotary control valves

SPX CORP23 citations89
US6244296B1Jun 12, 2001

Position detection for rotary control valves

SPX CORP33 citations89
US6659247B2Dec 9, 2003

Pneumatic volume booster for valve positioner

SPX CORP3 citations61

GEN SIGNAL CORP

3 patents
US5176464AJan 5, 1993

Mechanical coupling particularly adapted for coupling a valve and actuator

GEN SIGNAL CORP23 citations91
US4558605ADec 17, 1985

Valve actuator coupling

GEN SIGNAL CORP24 citations81
US5226851AJul 13, 1993

Low backlash compensating coupler

GEN SIGNAL CORP3 citations53

DEZURIK INC

1 patent
US10323759B2Jun 18, 2019

Check valve control unit

DEZURIK INC4 citations64