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Class Information
Number: 137/365
Name: Fluid handling > With casing, support, protector or static constructional installations > Static constructional installations > Ground supporting enclosure > Valve and meter wells > With means to center well on valve
Description: Apparatus in which the apertured vertical casing, valve or pipe line has a means to cause coincidence of the axis of the valve actuator and the casing, to enable a person applying a removable actuator to locate the valve connection easily.

Sub-classes under this class:

Class Number Class Name Patents
137/366 Detachable base plate 11
137/367 Vertical casing aligned by valve casing 17

Patents under this class:

Patent Number Title Of Patent Date Issued
8430116 Alignment device for valve bonnet Apr. 30, 2013
8047221 Centering valve box adapter Nov. 1, 2011
7703474 Gate valve sealing structure Apr. 27, 2010
7028703 Buried fluid line casing enclosed valve guard Apr. 18, 2006
6766822 Method of water distribution and apparatus therefor Jul. 27, 2004
6722855 Oil pumping device Apr. 20, 2004
6092550 Diaphragm valve seat arrangement Jul. 25, 2000
5316040 Valve alignment tool May. 31, 1994
4905725 Underground access box and valve operating and protecting means Mar. 6, 1990
4308886 Curb box Jan. 5, 1982

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