Joe D. Sumner

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Butterfly valve with two-way pressure enhanced sealing
- Patent number 4,138,090
- Issue date Feb 6, 1979
- Joe D. Sumner
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Pressure enhanced butterfly valve
- Patent number 4,026,514
- Issue date May 31, 1977
- Joe D. Sumner
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...