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Class Information
Number: 137/328
Name: Fluid handling > With repair, tapping, assembly, or disassembly means > With disassembly tool engaging feature > Wrench engaging lugs
Description: Devices in which the interlocking means are projections or ears for engaging the jaws of a wrench.

Patents under this class:

Patent Number Title Of Patent Date Issued
7231936 Hot/cold water tube connection structure for plastic faucets Jun. 19, 2007
6840280 Flow through ultrasonic processing system Jan. 11, 2005
6543467 Method for limiting access to a valve for vehicle tires Apr. 8, 2003
6176255 Keyed theft resistant valve cap Jan. 23, 2001
5752540 Drain sock May. 19, 1998
5385060 Device for the assembly or disassembly of probes in process pipes, tanks, etc. Jan. 31, 1995
5275086 Fluid actuator with internal pressure relief valve Jan. 4, 1994
5161566 Top-entry check valve with screw-in seat Nov. 10, 1992
5080122 Non-return valve Jan. 14, 1992
4982759 Swing check valve with secured cage Jan. 8, 1991
4893654 Double check valve backflow preventer assembly Jan. 16, 1990
4863143 Solenoid actuator Sep. 5, 1989
4685488 Ball valve Aug. 11, 1987
4620562 High pressure regulator valve Nov. 4, 1986
4605199 Ball valve provided with a lock ring Aug. 12, 1986
4477055 Valve seat for ball valves Oct. 16, 1984
4465092 Valve with anti-removal feature Aug. 14, 1984

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