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Class Information
Number:
137/470
Name:
Fluid handling
>
Line condition change responsive valves
>
Pop valves
> Pop closing valves
Description:
Valves in which the auxiliary reactor surface aids in valve closing.
Patents under this class:
Patent Number
Title Of Patent
Date Issued
8557454
Fuel cell system and reverse flow relief valve
Oct. 15, 2013
8245725
Pressure relief device
Aug. 21, 2012
8047227
Pressure limiting valve
Nov. 1, 2011
4955408
Vacuum-control valve for milking systems
Sep. 11, 1990
4778104
Temperature responsive line valve
Oct. 18, 1988
RE28842
Unloader valve for spray guns
Jun. 8, 1976
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