Inventor
EGGLESTON PHILIP WAYNE
US9 patents
Patents
9 patentsUS6062534AMay 16, 2000
Double acting rotary valve actuator
FISHER CONTROLS INT25 citations91
US5988205ANov 23, 1999
Rotary valve actuator with zero lost motion universal connection
FISHER CONTROLS INT21 citations91
US5979864ANov 9, 1999
Double convoluted pliable pressure conversion unit
FISHER CONTROLS INT20 citations91
US5762315AJun 9, 1998
Valve actuator with pliable pressure conversion device
FISHER CONTROLS INT21 citations91
US7296585B2Nov 20, 2007
Elliptical sealing surface for butterfly valve
FISHER CONTROLS INT16 citations89
US5853022ADec 29, 1998
Valve actuator with instrument mounting manifold
FISHER CONTROLS INT26 citations83
US7416164B2Aug 26, 2008
Elliptical sealing surface for butterfly valve
FISHER CONTROLS INT9 citations81
US6000675ADec 14, 1999
Tension-spring return rotary valve actuator
FISHER CONTROLS INT13 citations72
US5975487ANov 2, 1999
Rotary valve actuator with high-low-high torque linkage
FISHER CONTROLS INT12 citations72