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Class Information
Number: 137/321
Name: Fluid handling > With repair, tapping, assembly, or disassembly means > Tapping a pipe, keg, or apertured tank under pressure > With valved closure or bung > Combined rotary and longitudinal movement of valve
Description: Devices in which the valve means of the system comprises a head which moves axially and rotationally with respect to its seat, usually as a result of being engaged with a screw type actuator or tap.










Patents under this class:

Patent Number Title Of Patent Date Issued
6550492 Filter vent fitting Apr. 22, 2003
6321742 Pressurized fluid container Nov. 27, 2001
6024117 Valve guide structure Feb. 15, 2000
5531243 Irrigation standpipe flow diverter and method for making same Jul. 2, 1996
5435341 Device for seal-tight closure and connection of a chamber to an external pipe system, and a chamber equipped with an aforementioned device Jul. 25, 1995
5413138 Device for tapping off or filling fluid into a container May. 9, 1995
5271657 Truck or trailer body Dec. 21, 1993
5038818 Insertion assembly for a pipe completion plug Aug. 13, 1991
4922951 Service tee for connection to a gas or water main May. 8, 1990
4899780 Device for use in connection with tapping off fluid from or filling fluid into a container Feb. 13, 1990
4883085 Method of installing a stopper in a fitting and apparatus therefor Nov. 28, 1989
4628955 Externally applied valve for water lines Dec. 16, 1986
4565211 Hydraulic manifold with automatic flow control Jan. 21, 1986
4420012 Device for use in connection with tapping off fluid from or filling fluid into a container Dec. 13, 1983
4383548 Evacuating-charging valve assembly May. 17, 1983
4378783 Hot spot butane heater Apr. 5, 1983
4239055 Pressure plug Dec. 16, 1980
4142546 Valve arrangement for a pressurizable vessel Mar. 6, 1979
4137937 Adapter for bottom operable tank car valve Feb. 6, 1979
4127141 Method and apparatus for stopping fluid escape from pipe mains Nov. 28, 1978
4071012 Fluid fill or bleed apparatus Jan. 31, 1978
4016896 Device for the de-airing of a liquid system, preferably a system for hydraulic brakes Apr. 12, 1977











 
 
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