Fill valve

Details Fill valve Fill valve

1998-04-01

1999-04-20

Doulgas, Alan P.

Environmental heating and cooling; fluid handling and sanitary e

Fluid handling or treatment equipment

Valve or body therefor

2301

Patent

active

D04085019

REFERENCES:
patent: 2779350 (1957-01-01), Owens
patent: 2868492 (1959-01-01), Volcov et al.
patent: 4180096 (1979-12-01), Johnson
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patent: 4335744 (1982-06-01), Bey
patent: 4508136 (1985-04-01), Kah, Jr.
patent: 4646779 (1987-03-01), Johnson
patent: 4765363 (1988-08-01), Pi-Yu
patent: 4893644 (1990-01-01), Giacomini
patent: 4945944 (1990-08-01), Chen
patent: 4976279 (1990-12-01), King, Sr. et al.
patent: 5217039 (1993-06-01), Hoeptner, III
patent: 5439025 (1995-08-01), Johnson
patent: 5715859 (1998-02-01), Nichols-Roy

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