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Automatic valve actuator
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Patent number 4,817,658
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Issue date Apr 4, 1989
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Essex Industries, Inc.
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Jerry L. Lyons
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Auxiliary remote valve actuator
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Patent number 4,811,752
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Issue date Mar 14, 1989
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Essex Industries, Inc.
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Jerry L. Lyons
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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High flow pressure relief valve
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Patent number 4,276,901
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Issue date Jul 7, 1981
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Essex Cryogenics of Missouri Inc.
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Jerry L. Lyons
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Automatic valve actuator
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Patent number 4,275,754
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Issue date Jun 30, 1981
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Essex Cryogenics of Missouri, Inc.
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Jerry L. Lyons
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...