P

Inventor

EGGLESTON PHILIP W

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

FISHER CONTROLS INT

5 patents
US5487527AJan 30, 1996

Valve actuator

FISHER CONTROLS INT51 citations92
US5427358AJun 27, 1995

Sweep flow valve with removable valve seat

FISHER CONTROLS INT20 citations88
US7243901B2Jul 17, 2007

Rotary valve apparatus and associated methods

FISHER CONTROLS INT14 citations83
USD363761SOct 31, 1995

Valve actuator

FISHER CONTROLS INT19 citations81
US7080820B2Jul 25, 2006

Elliptical sealing surface for butterfly valve

FISHER CONTROLS INT8 citations71

FISHER CONTROLS CO

2 patents
US4005848AFeb 1, 1977

Bidirectional pressure-assisted valve seal

FISHER CONTROLS CO67 citations95
US4231546ANov 4, 1980

High-temperature bidirectional metal seal

FISHER CONTROLS CO53 citations90

(unassigned)

2 patents
US6213141B1Apr 10, 2001

Rotary valve apparatus and associated methods

27 citations91
US6332600B2Dec 25, 2001

Rotary valve apparatus

11 citations72

EGGLESTON PHILIP W

2 patents
US7007751B2Mar 7, 2006

Apparatus for extracting oil or other fluids from a well

EGGLESTON PHILIP W8 citations70
US7347256B1Mar 25, 2008

Portable well fluid extraction apparatus

EGGLESTON PHILIP W2 citations59