Valves and valve actuation – With correlated flow path – Valve operated by joining flow path sections
Reexamination Certificate
2007-11-20
2007-11-20
Keasel, Eric (Department: 3753)
Valves and valve actuation
With correlated flow path
Valve operated by joining flow path sections
C251S149600, C604S249000, C604S256000
Reexamination Certificate
active
11238680
ABSTRACT:
A valve comprising an inlet housing, an outlet housing, an elastomeric valve element having a generally dome-shaped configuration with a central integral stem positioned substantially concentrically therewith, the inlet housing and outlet housing being fastened together at a joint with the elastomeric valve element positioned therein and the valve element including a plurality of longitudinal ribs formed along an outer annular periphery of a lower end of the dome-shaped configuration that define flow channels that allow fluid flow from across an upper surface of the dome-shaped configuration through the flow channels.
REFERENCES:
patent: 3831629 (1974-08-01), Mackal et al.
patent: 4369812 (1983-01-01), Paradis et al.
patent: 4434965 (1984-03-01), St. Martin
patent: 4499916 (1985-02-01), Hanson et al.
patent: 4744391 (1988-05-01), Lardner
patent: 4998562 (1991-03-01), Foltz
patent: 5349984 (1994-09-01), Weinheimer et al.
patent: 5409042 (1995-04-01), Kirchner
patent: 5465938 (1995-11-01), Werge et al.
patent: 5529278 (1996-06-01), Weldon et al.
patent: 5573516 (1996-11-01), Tyner
patent: 5634491 (1997-06-01), Benedict
patent: 5746414 (1998-05-01), Weldon et al.
patent: 5855355 (1999-01-01), Grunert et al.
patent: 5904334 (1999-05-01), Grunert et al.
patent: 5992462 (1999-11-01), Atkinson et al.
patent: 6311712 (2001-11-01), Meyer
patent: 6390120 (2002-05-01), Guala
patent: 6397884 (2002-06-01), Miyajima et al.
PCT Intl. Prel. Report, Mar. 21, 2007.
Enerson Jon R.
Jordan Gregory S.
Miller Pavel T.
Fristoe Jr. John K.
Halkey-Roberts Corporation
Holland & Knight
Keasel Eric
LandOfFree
Dome check valve does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Dome check valve, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Dome check valve will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3876820