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Class Information
Number: 137/282
Name: Fluid handling > Hydrant type > With pump or ejector
Description: Apparatus combined with a pump or ejector.

Patents under this class:

Patent Number Title Of Patent Date Issued
6653245 Method for liquid phase deposition Nov. 25, 2003
6003780 Freezeproof valve assembly for a drinking fountain Dec. 21, 1999
5934370 Well water flow diverter apparatus Aug. 10, 1999
5701925 Sanitary yard hydrant Dec. 30, 1997
5246028 Sanitary yard hydrant Sep. 21, 1993
5033500 Freeze valve apparatus Jul. 23, 1991
4854339 Freeze valve apparatus Aug. 8, 1989
4520836 Freezeproof valve assembly Jun. 4, 1985
4282895 Freeze-proof, pollution free valve Aug. 11, 1981
4282895 Freeze-proof, pollution free valve Aug. 11, 1981
4112966 Ejector purge hydrant Sep. 12, 1978
4109671 Sanitary yard hydrant Aug. 29, 1978
4096877 Freezeproof sanitary water supply appliance Jun. 27, 1978

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