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General Screw Products Company
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Houston, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Pressure signal instrumentation having removable flanges and mounti...
Patent number
4,672,728
Issue date
Jun 16, 1987
General Screw Products Company
Spencer M. Nimberger
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Valve having hard and soft seats
Patent number
4,655,251
Issue date
Apr 7, 1987
General Screw Products Company
Spencer M. Nimberger
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Valve with compressible valve stem and valve body seals
Patent number
4,630,629
Issue date
Dec 23, 1986
General Screw Products Company
Spencer M. Nimberger
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Pressure seal for valve stems and the like
Patent number
4,597,581
Issue date
Jul 1, 1986
General Screw Products Company
Spencer M. Nimberger
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Valve manifold having a removable flange
Patent number
4,582,089
Issue date
Apr 15, 1986
General Screw Products Company
Spencer M. Nimberger
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Method and apparatus for sealing valve stems
Patent number
4,556,196
Issue date
Dec 3, 1985
General Screw Products Company
Spencer M. Nimberger
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Blowdown fitting
Patent number
4,512,441
Issue date
Apr 23, 1985
General Screw Products Company
Jack M. Cooper
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Grease fitting
Patent number
4,347,915
Issue date
Sep 7, 1982
General Screw Products Company
Jack M. Cooper
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
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last 30 trademarks