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Johnston Pump/General Valve, Inc.
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Brookshire, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Bleed system
Patent number
5,979,488
Issue date
Nov 9, 1999
Johnston Pump/General Valve, Inc.
Gordon M. Smith
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
External unified integral bleed system for valves
Patent number
5,931,192
Issue date
Aug 3, 1999
Johnston Pump/General Valve Inc.
Gordon M. Smith
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Plug-valve having a plug assembly with retractible seals that can b...
Patent number
5,542,644
Issue date
Aug 6, 1996
Johnston Pump/General Valve, Inc.
Gordon M. Smith
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Integral bleed system for valve
Patent number
5,392,813
Issue date
Feb 28, 1995
Johnston Pump/General Valve Inc.
Gordon M. Smith
E03 - WATER SUPPLY SEWERAGE
Information
Patent Grant
Flow stabilized, retractable seal, double-block and bleed plug valve
Patent number
5,385,332
Issue date
Jan 31, 1995
Johnston Pump/General Valve, Inc.
Gordon M. Smith
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Apparatus for sealing a fluid carrying device
Patent number
5,372,352
Issue date
Dec 13, 1994
Johnston Pump/General Valve, Inc.
Gordon M. Smith
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Self supporting plug for a double block and bleed plug valve
Patent number
5,011,115
Issue date
Apr 30, 1991
Johnston Pump/General Valve Inc.
Gordon M. Smith
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Cathodoluminescence system for use in a scanning electron microscop...
Patent number
4,929,041
Issue date
May 29, 1990
Johnston Pump/General Valve, Inc.
Kerry J. Vahala
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
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last 30 trademarks