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Class Information
Number: 137/367
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 > Vertical casing aligned by valve casing
Description: Apparatus in which the top of the valve casing has means engaging the well-forming casing to insure assembly in proper alignment.

Patents under this class:

Patent Number Title Of Patent Date Issued
8047221 Centering valve box adapter Nov. 1, 2011
8010329 Computer-implemented system and method for designing a pressure-dosed drain field Aug. 30, 2011
7703474 Gate valve sealing structure Apr. 27, 2010
7117883 Valve key alignment assembly for curb stop box Oct. 10, 2006
7028703 Buried fluid line casing enclosed valve guard Apr. 18, 2006
6802337 Valve can extension Oct. 12, 2004
6449908 Gate valve box sealing Sep. 17, 2002
6354325 Underground access conduit Mar. 12, 2002
6263903 Arrangement for underground stop valve Jul. 24, 2001
6226929 Liquid infiltration prevention structures for preventing liquid infiltration manhole assemblies gate value sealing structures for preventing settling or shifting of key box bonnets and method May. 8, 2001
5730180 Positioning member for a curb stop box Mar. 24, 1998
5634488 Modular valve service box Jun. 3, 1997
4819687 Valve box stabilizer Apr. 11, 1989
4534378 Gate valve adaptor Aug. 13, 1985
4217933 Diverter valve for septic systems Aug. 19, 1980
4044789 Sanitary diversion valve Aug. 30, 1977
4036249 Diverter valve Jul. 19, 1977

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