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NIPPON BALL VALVE CO., LTD.
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SAKAI-SHI, OSAKA, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Top entry ball valve and a clamp therefor
Patent number
4,658,978
Issue date
Apr 21, 1987
Nippon Ball Valve Co., Ltd.
Morio Ikematsu
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Clamp for use with top entry ball valve
Patent number
4,641,681
Issue date
Feb 10, 1987
Nippon Ball Valve Co., Ltd.
Morio Ikematsu
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
73548098 - NBV
Serial number
73548098
Registration number
1401836
Filing date
Jul 15, 1985
NIPPON BALL VALVE CO., LTD.
6 - Common metals and their alloys