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Class Information
Number: 137/624.19
Name: Fluid handling > Systems > Programmer or timer > Plural, sequential, valve actuations > Plural trips or trip actuations
Description: Subject matter in which the valve or valves, are each biased toward one position and are latched against the bias, and a trip or trips, are controlled for releasing the latch.

Patents under this class:

Patent Number Title Of Patent Date Issued
4694861 Rotary pinch valve Sep. 22, 1987
4309913 Serial release mechanism and drainage monitor embodying the same Jan. 12, 1982
4181121 Serial release mechanism and drainage monitor embodying the same Jan. 1, 1980

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