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Class Information
Number: 137/315.22
Name: Fluid handling > With repair, tapping, assembly, or disassembly means > Assembling or disassembling rotary valve > Butterfly valve

Sub-classes under this class:

Class Number Class Name Patents
137/315.23 Having valve head or seat packing 14
137/315.24 With head and stem collections 15

Patents under this class:

Patent Number Title Of Patent Date Issued
8434506 Flow control valve and method for manufacturing the same May. 7, 2013
8430113 Method of manufacturing valve, and valve produced by the method Apr. 30, 2013
8251088 Variable orifice for particulate coal conduit Aug. 28, 2012
8205633 Collets for use with valves Jun. 26, 2012
7614416 Process for producing a throttle-valve housing and a throttle valve Nov. 10, 2009
7118092 Method and apparatus for assembling a vane-type valve Oct. 10, 2006
7021325 Valve assembly and method for hot tapping a line Apr. 4, 2006
6901942 Butterfly valve with injection-molded shaft Jun. 7, 2005
6837261 Control valve assembly of valve assembly-injection-molded control valves or modules Jan. 4, 2005
6748967 Coupler for joining actuator and valve Jun. 15, 2004
6722633 Throttle body with insert-molded member Apr. 20, 2004
6520198 Structure and method for mounting damper Feb. 18, 2003
6364287 Electronic throttle return spring assembly Apr. 2, 2002
6155137 Adjustable solenoid assembly for an automatic transmission Dec. 5, 2000
5865210 Valve assembly Feb. 2, 1999
5462080 Heated removable throttle valve Oct. 31, 1995
5342019 Throttle flap construction for an exhaust gas duct of an internal combustion engine Aug. 30, 1994
5329903 Pivotable joint Jul. 19, 1994
5236003 Modular butterfly valve Aug. 17, 1993
5076317 Rotor handling system for rotary valves Dec. 31, 1991
4858517 Fire damper kit Aug. 22, 1989
4697615 Butterfly valve for controlling high-temperature fluid Oct. 6, 1987
RE32409 Valve assembly Apr. 28, 1987
4651773 Throttle valve assembly Mar. 24, 1987
RE32362 Fire damper and method of fabrication Feb. 24, 1987
4621790 Butterfly valve Nov. 11, 1986
4575046 Valve seat retainer having a full uninterrupted gasket face Mar. 11, 1986
4498798 Locating pin Feb. 12, 1985
4485841 Pollution control device Dec. 4, 1984
4399833 Valve assembly Aug. 23, 1983
4332271 Throttling device for pipe conduits Jun. 1, 1982
4079746 Valve assembly having adapter means Mar. 21, 1978

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