Eggleston; Philip W.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Eggleston; Philip W..The latest application filed is for "elliptical sealing surface for butterfly valve".
- Eggleston; Philip W. - Sherman TX
- Eggleston; Philip W - Sherman TX
- Eggleston; Philip W. - Marshalltown IA
| Patent | Date |
|---|---|
| Elliptical Sealing Surface For Butterfly Valve App 20080272324 - Eggleston; Philip W. ; et al. | 2008-11-06 |
| Portable well fluid extraction apparatus Grant 7,347,256 - Eggleston March 25, 2 | 2008-03-25 |
| Elliptical Sealing Surface For Butterfly Valve App 20080035874 - Eggleston; Philip W. ; et al. | 2008-02-14 |
| Rotary valve apparatus and associated methods Grant 7,243,901 - Eggleston July 17, 2 | 2007-07-17 |
| Elliptical Sealing Surface for Butterfly Valve App 20060214129 - Eggleston; Philip W. ; et al. | 2006-09-28 |
| Elliptical sealing surface for butterfly valve Grant 7,080,820 - Eggleston , et al. July 25, 2 | 2006-07-25 |
| Apparatus for extracting oil or other fluids from a well Grant 7,007,751 - Eggleston March 7, 2 | 2006-03-07 |
| Apparatus for extracting oil or other fluids from a well App 20040020637 - Eggleston, Philip W. | 2004-02-05 |
| Elliptical sealing surface for butterfly valve App 20030062500 - Eggleston, Philip W. ; et al. | 2003-04-03 |
| Apparatus for extracting oil or other fluids from a well App 20020166662 - Eggleston, Philip W. | 2002-11-14 |
| Rotary valve apparatus and associated methods App 20020079740 - Eggleston, Philip W. | 2002-06-27 |
| Valve actuator Grant 5,487,527 - Eggleston January 30, 1 | 1996-01-30 |
| Valve actuator Grant D363,761 - Eggleston , et al. October 31, 1 | 1995-10-31 |
| Sweep flow valve with removable valve seat Grant 5,427,358 - Eggleston , et al. June 27, 1 | 1995-06-27 |
| High-temperature bidirectional metal seal Grant 4,231,546 - Eggleston , et al. November 4, 1 | 1980-11-04 |
| Bidirectional pressure-assisted valve seal Grant 4,005,848 - Eggleston February 1, 1 | 1977-02-01 |
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