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Class Information
Number: 137/315.18
Name: Fluid handling > With repair, tapping, assembly, or disassembly means > Assembling or disassembling rotary valve > Rotary ball valve

Sub-classes under this class:

Class Number Class Name Patents
137/315.19 Particular valve seat or interface seal 23

Patents under this class:

Patent Number Title Of Patent Date Issued
8360103 Split valve Jan. 29, 2013
8245723 Fluid conveyance and/or distribution device with ring nut coupling Aug. 21, 2012
8156801 Flow metering device Apr. 17, 2012
7712639 Plastic outlet valve for transport and storage containers for liquids May. 11, 2010
7506665 Ball valve with interlocking stem Mar. 24, 2009
7490621 Method for producing a tapping valve formed as a plastic injection-molded part for plastic or metal shipping and storage tanks for liquids Feb. 17, 2009
7357145 High-pressure, hemi-wedge cartridge valve Apr. 15, 2008
7306010 Ball valve with snap-in stem Dec. 11, 2007
6988709 Bearing retainer for trunnion mounted ball valve Jan. 24, 2006
6834662 Irrigation system apparatus, and related method Dec. 28, 2004
6822577 Position indicator for submerged valves Nov. 23, 2004
6378550 Ball valve extractor Apr. 30, 2002
6230735 Valve jacket May. 15, 2001
5975104 Ball valve seal replacement apparatus and method Nov. 2, 1999
5820103 Ball segment valve and ball segment valve arrangement Oct. 13, 1998
5662138 Drop head structure Sep. 2, 1997
5590680 External valve operating means Jan. 7, 1997
5562116 Angle entry rotary valve Oct. 8, 1996
5472011 No shut-off repair apparatus for stop valves Dec. 5, 1995
5467796 Ball valve with a strainer and integrated means for flushing the strainer Nov. 21, 1995
5429151 Through-hull valve and mounting unit Jul. 4, 1995
5361801 Ball valve Nov. 8, 1994
5360036 Vented ball valve with lock-out ring Nov. 1, 1994
5286129 Coupling device and methods of coupling Feb. 15, 1994
5275200 Oil draining control valve Jan. 4, 1994
5201340 Automatic drainage device for cargo containers Apr. 13, 1993
5188335 Ball valve with lockable security device Feb. 23, 1993
5067691 Ball cock Nov. 26, 1991
4844410 Adjustable seat assembly for a valve Jul. 4, 1989
4776364 Ball slide, specifically for pressure lines in hydropower plant Oct. 11, 1988
4727901 Ball valve Mar. 1, 1988
4715414 Concentric well-type extractor tube for filling containers with pressurized fluid Dec. 29, 1987
4681133 Rotatable ball valve apparatus and method Jul. 21, 1987
4624281 Control valve Nov. 25, 1986
4600032 Rotary shaft seal assembly Jul. 15, 1986
4535806 Valve assembly for the supply of a pressurized gaseous fluid to closed containers Aug. 20, 1985
4449544 Blowdown valve May. 22, 1984
4446883 End loaded valve May. 8, 1984
4325403 Single-control mixing cock with plates made of hard material Apr. 20, 1982

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