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Class Information
Number: 137/320
Name: Fluid handling > With repair, tapping, assembly, or disassembly means > Tapping a pipe, keg, or apertured tank under pressure > With valved closure or bung
Description: Devices in which the system is provided with a valved opening, the valve having no externally operable actuator, and the connectable means either opens the system valve as the coupling is made or carries an actuator which engages the valve as a result of the coupling, being manipulated subsequently to open and close the valve.










Sub-classes under this class:

Class Number Class Name Patents
137/321 Combined rotary and longitudinal movement of valve 22
137/322 Longitudinal movement of valve 119
137/323 Rotary movement of valve 12


Patents under this class:

Patent Number Title Of Patent Date Issued
8307842 Fluid supply valve attachment device Nov. 13, 2012
8151819 Fluid supply valve attachment device Apr. 10, 2012
8136791 Fluid filling and/or extraction control device and tank including one such device Mar. 20, 2012
7021325 Valve assembly and method for hot tapping a line Apr. 4, 2006
6920893 Corrosive resistant liquid extraction apparatus Jul. 26, 2005
6845927 Compressed air pistol with blowout nozzle Jan. 25, 2005
6644340 Corrosive resistant liquid extraction apparatus Nov. 11, 2003
6021802 Device for connecting at least a discharge tube and return tube respectively to a bung connection of a liquid container Feb. 8, 2000
5775390 Apparatus for extraction of a fluent material from a container Jul. 7, 1998
5680882 Waterline injection nozzle apparatus Oct. 28, 1997
5618137 Tapping assembly Apr. 8, 1997
5507604 Tapping assembly Apr. 16, 1996
5413138 Device for tapping off or filling fluid into a container May. 9, 1995
5340244 Tapping assembly Aug. 23, 1994
5186365 Fitting for emptying a container Feb. 16, 1993
4723566 Valve closure Feb. 9, 1988
4717048 Beverage tap Jan. 5, 1988
4714138 Engine sump draining device Dec. 22, 1987
4682508 Inlet valve for probe apparatus Jul. 28, 1987
4470437 Emergency drain device Sep. 11, 1984
4424827 Device for detachably coupling the orifice of a branchline to a line carrying a pressure medium Jan. 10, 1984
4369845 Oil well blow-out control Jan. 25, 1983
4273951 Oil-filled cable pothead with venting means and tool therefor Jun. 16, 1981
4043356 Inflating probe Aug. 23, 1977
4034777 Apparatus to pierce a fluid-transport pipe and control the fluid-flow therefrom Jul. 12, 1977











 
 
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