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Class Information
Number: 137/404
Name: Fluid handling > Liquid level responsive or maintaining systems > By weight of accumulated fluid > In sinking or bucket type float
Description: Apparatus in which the liquid level is sensed by an open or bucket type element which floats on the liquid accumulation when empty and subsequently is filled with the liquid.

Patents under this class:

Patent Number Title Of Patent Date Issued
6325094 Self-metering reservoir Dec. 4, 2001
6019114 Self-metering reservoir Feb. 1, 2000
5803114 Back jet flush toilet systems and methods Sep. 8, 1998
4802592 Floating liquid skimmers having a floating weir Feb. 7, 1989
4649579 Swimming pool skimming weir Mar. 17, 1987
4628956 Float valve mechanism Dec. 16, 1986
4580592 Float controlled separator valve Apr. 8, 1986
4313897 Gas and liquid admixing system Feb. 2, 1982
4250907 Float valve assembly Feb. 17, 1981
3963041 Safety shutoff valve Jun. 15, 1976

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