Gerald A. Stunkard

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Jenks, OK, US

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Patents Grantslast 30 patents

Information Patent Grant
Pig valve having trunnion supported ball, self-centering seats and...
- Patent number 8,601,634
- Issue date Dec 10, 2013
- Gerald A. Stunkard
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Ball valve having self-centering seats
- Patent number 7,690,626
- Issue date Apr 6, 2010
- Gerald A. Stunkard
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Compact manifold trunnion ball valve
- Patent number 6,669,171
- Issue date Dec 30, 2003
- Aceco Valve, Inc.
- Gerald A. Stunkard
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Ball valve having self-centering seats
- Publication number 20090095931
- Publication date Apr 16, 2009
- Gerald A. Stunkard
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Top entry swing check valve
- Publication number 20080308159
- Publication date Dec 18, 2008
- Gerald A. Stunkard
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...