Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Valve or body therefor
Patent
1997-07-10
1998-12-22
Douglas, Alan P.
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Valve or body therefor
2301
Patent
active
D04030494
REFERENCES:
patent: D370054 (1996-05-01), Nakadaira et al.
patent: 1798498 (1931-03-01), Riley
patent: 2110859 (1938-03-01), Goehring
patent: 3746302 (1973-07-01), Larsen
IOWA Heavy Pressure Valves and Valve Ends; Item #F-165, p. 26, 1960.
Izumi Koji
Ohtani Hideo
Okutsu Ryoji
Yamamoto Hiroshi
Douglas Alan P.
Taylor Robin V.
Yamatake-Honeywell Co. Ltd.
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