William E. Amend

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Yorba Linda, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Brittle lined pipe connector
- Patent number 5,240,293
- Issue date Aug 31, 1993
- Union Oil Company of California
- William C. Allen
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Brittle lined pipe connector
- Patent number 5,236,231
- Issue date Aug 17, 1993
- Union Oil Company of California
- William C. Allen
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Brittle lined pipe connector
- Patent number 5,069,485
- Issue date Dec 3, 1991
- Union Oil Company of California
- William C. Allen
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Method for protecting stainless steel pipe and the like in geotherm...
- Patent number 4,950,552
- Issue date Aug 21, 1990
- Union Oil Company of California
- William E. Amend
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Geothermal valve
- Patent number 4,513,947
- Issue date Apr 30, 1985
- Union Oil Company of California
- William E. Amend
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...