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Class Information
Number: 137/315.16
Name: Fluid handling > With repair, tapping, assembly, or disassembly means > Assembling or disassembling pivoted valve
Description:










Patents under this class:

Patent Number Title Of Patent Date Issued
8567431 Check valve Oct. 29, 2013
8517045 Automatic fluid flow control device Aug. 27, 2013
8459298 Check valve for drain pipes Jun. 11, 2013
8430731 Air flap for controlling flow within a conduit Apr. 30, 2013
7757706 Backwater valve assembly with removable valve member Jul. 20, 2010
7562669 Check valve stop assembly and method of retention Jul. 21, 2009
7458385 Flapper type fill tube check valve Dec. 2, 2008
7458394 Methods and apparatus for mechanically adjusting a null offset in a torque motor of a servovalve Dec. 2, 2008
7210500 Methods and apparatus for mechanically adjusting a null offset in a torque motor of a servovalve May. 1, 2007
7063099 Exhaust gas control valve, apparatus and method of controlling exhaust gas flow Jun. 20, 2006
6932100 Flapper type fill tube check valve Aug. 23, 2005
6688321 Method and apparatus for a flow regulator having an integral hinge Feb. 10, 2004
6679289 Swing check valve Jan. 20, 2004
6679283 Valve inspection chamber Jan. 20, 2004
6637449 Pressure sensible valve for exhaust muffler and method of assembling same Oct. 28, 2003
6443181 Backflow prevention apparatus Sep. 3, 2002
5826609 Sewer inspection chamber with back-flow prevention valve and method and apparatus for installing valve in sewer inspection chamber Oct. 27, 1998
5822984 Alternate valve assembly for smoke re-combustion device Oct. 20, 1998
5797423 Device for cutting off a flow in a conduit for fluide Aug. 25, 1998
5785077 Easily replaceable valve Jul. 28, 1998
5671769 Swing check valve and method for repairing same Sep. 30, 1997
5458148 Fluid flow control damper assembly and method Oct. 17, 1995
5076316 Flow control valve Dec. 31, 1991
4921003 Shut-down valve May. 1, 1990
RE32870 Sewer relief valve Feb. 21, 1989
4739792 Valve Apr. 26, 1988
4498492 Dust valve and trap Feb. 12, 1985
4475571 Sewer relief valve Oct. 9, 1984
4469122 Modular check valve Sep. 4, 1984
4304254 Dust trap valve with removeable double-life door and valve seat member Dec. 8, 1981
4253485 Valve for opening and closing a fluid conduit Mar. 3, 1981
4249563 Manifold for replacing relief valves Feb. 10, 1981
4190074 Pressure equalization valve and technique for shaft furnace Feb. 26, 1980











 
 
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