Backflow prevention system

Details Backflow prevention system Backflow prevention system

2005-06-28

2005-06-28

Michalsky, Gerald A. (Department: 3753)

Fluid handling

Back flow prevention by vacuum breaking

Air vent in liquid flow line

C137S299000, C137S614200

Reexamination Certificate

active

06910495

ABSTRACT:
A backflow prevention system that helps prevent contamination of potable water distribution systems from backflow at fire hydrant connections.

REFERENCES:
patent: 1601993 (1926-10-01), Blake
patent: 2083319 (1937-06-01), Davlet
patent: 3017896 (1962-01-01), Papacek
patent: 3980097 (1976-09-01), Ellis
patent: 4483361 (1984-11-01), Jungbert, Sr.
patent: 4518006 (1985-05-01), Hoffman et al.
patent: 4651772 (1987-03-01), Carlin
patent: 5031661 (1991-07-01), Feuz
patent: 5813428 (1998-09-01), Almasy et al.
patent: 6532986 (2003-03-01), Dickey et al.
patent: 6561214 (2003-05-01), Heil

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