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Class Information
Number: 137/15.24
Name: Fluid handling > Processes > Cleaning, repairing, or assembling > Valve or valve element assembling, disassembling, or replacing > Plug valve
Description:










Patents under this class:

Patent Number Title Of Patent Date Issued
8550432 Stopcock Oct. 8, 2013
7703205 Method of refurbishing a high-pressure plug valve Apr. 27, 2010
7645418 Gas washing device Jan. 12, 2010
7614431 Fuel flow restriction plug for recirculation pipe Nov. 10, 2009
7047994 Stopcocks and methods of manufacture thereof May. 23, 2006
6675825 Lubricated plug valve Jan. 13, 2004
6640823 Fitting Nov. 4, 2003
6609532 Rotational connecting valve with quick disconnect Aug. 26, 2003
6270055 Hydraulic shut-off valve Aug. 7, 2001
6254059 Electrically operated flow control valve Jul. 3, 2001
6206024 Valve assembly Mar. 27, 2001
6152159 Valve assembly and method for use in delivery of molten metal Nov. 28, 2000
5647389 Indexable latching handle assembly for quarter-turn rotary valves Jul. 15, 1997
5503177 Repair device for fluid distribution valves Apr. 2, 1996
5499648 Sealing means for pressure relief valves and methods of assembly Mar. 19, 1996
5301708 Rotary plug valve actuator and associated rotary plug valve and associated method Apr. 12, 1994
5201335 Method and apparatus for attaching ceramic to metal parts Apr. 13, 1993
5123439 Valve body ceramic liners Jun. 23, 1992
5002084 Quick clean rotary valve Mar. 26, 1991
4964432 Method and means for mounting valve member on valve stem Oct. 23, 1990
4887629 Plug valve and method of assembly Dec. 19, 1989
4776566 Raised hardface overlay valve seat Oct. 11, 1988
4705058 Plug valve Nov. 10, 1987
4630629 Valve with compressible valve stem and valve body seals Dec. 23, 1986
4598728 Plugcocks Jul. 8, 1986
4564044 Rotatable valve assembly Jan. 14, 1986











 
 
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