John N. McIntyre

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Spring, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Subsea gate valve actuator with external manual override and drift...
- Patent number 4,650,151
- Issue date Mar 17, 1987
- FMC Corporation
- John N. McIntyre
- E21 - EARTH DRILLING MINING
Information Patent Grant
Fire-resistant gate valve
- Patent number 4,568,062
- Issue date Feb 4, 1986
- FMC Corporation
- Alfred P. Regitz
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Valve stem-to-bonnet backseat
- Patent number 4,510,960
- Issue date Apr 16, 1985
- FMC Corporation
- Charles E. Jennings
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...