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Prince Valve, Inc.
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Norman, OK, US
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Patents Grants
last 30 patents
Information
Patent Grant
Jacketed valve
Patent number
4,687,018
Issue date
Aug 18, 1987
Prince Valve, Inc.
Duane M. Eagen
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Modular check valve
Patent number
4,469,122
Issue date
Sep 4, 1984
Prince Valve, Inc.
Robert K. Meek
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Swing check valve
Patent number
4,427,025
Issue date
Jan 24, 1984
Prince Valve, Inc.
Darryll G. Prince
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Swing check valve
Patent number
4,304,255
Issue date
Dec 8, 1981
K-F Prince Valve, Inc.
Darryll G. Prince
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Field convertible sump check valve
Patent number
4,261,383
Issue date
Apr 14, 1981
K-F Prince Valve, Inc.
Darryll G. Prince
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
73213177 - PRINCE
Serial number
73213177
Registration number
1147490
Filing date
Apr 26, 1979
Prince Valve, Inc.
6 - Common metals and their alloys