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Hays Fluid Controls, a division of ROMAC Industries, Inc.
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Dallas, NC, US
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Patents Grants
last 30 patents
Information
Patent Grant
Sequencing valve and hydronic system
Patent number
7,353,843
Issue date
Apr 8, 2008
Hays Fluid Controls, a division of ROMAC Industries, Inc.
Ben G. Arrowood, Jr.
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Sequencing valve and hydronic system
Patent number
6,983,764
Issue date
Jan 10, 2006
Hays Fluid Controls, a division of ROMAC Industries, Inc.
Ben G. Arrowood, Jr.
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Fluid flow control valve and orifice therefor
Patent number
6,390,122
Issue date
May 21, 2002
Hays Fluid Controls, a division of ROMAC Industries, Inc.
GangFu Zhang
G05 - CONTROLLING REGULATING
Patents Applications
last 30 patents
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Patent Application
Sequencing valve and hydronic system
Publication number
20060000598
Publication date
Jan 5, 2006
Hays Fluid Controls, A Division of Romac Industries, Inc.
Ben G. Arrowood
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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