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Class Information
Number: 137/599.15
Name: Fluid handling > Systems > Dividing into parallel flow paths with recombining > Flow passage with bypass > Including cleaning, treating, or heat transfer feature > Water treatment feature
Description:










Patents under this class:

Patent Number Title Of Patent Date Issued
8647483 Chlorinators and other fluid receiving devices Feb. 11, 2014
8393350 Methods and apparatus for introducing additives into a fluid flow Mar. 12, 2013
8356628 Electronic bypass system for a fluid treatment system Jan. 22, 2013
8302631 Control valve for a fluid treatment system Nov. 6, 2012
7610933 Two part valve body for a water treatment system Nov. 3, 2009
7568501 Bypass valve with flapper valve elements for a water treatment apparatus Aug. 4, 2009
6680026 Fluid flow diverters and diversion methods and water purification equipment including such diverters Jan. 20, 2004
6357477 Bypass assembly incorporating double street t-fitting and method of making the same Mar. 19, 2002
6347644 Bypass valve for water treatment system Feb. 19, 2002
6293298 Water softener valve Sep. 25, 2001
5628899 Control mechanism for controlling regeneration of two water treatment tanks May. 13, 1997
5341834 Multiport valve for fluid transfer systems Aug. 30, 1994
5273070 Water treatment apparatus Dec. 28, 1993
5174337 Water conditioner rotary valve Dec. 29, 1992
5045187 Regeneration system for water conditioners such as water softeners Sep. 3, 1991
4921598 Selector valve, especially a central control valve for a water treatment device May. 1, 1990
4290451 Water conditioning system controls Sep. 22, 1981
4210533 Remote control valve for reverse osmosis water purifier Jul. 1, 1980
3951802 Water softener Apr. 20, 1976











 
 
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