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Class Information
Number: 137/625.15
Name: Fluid handling > Systems > Multi-way valve unit > Sequentially progressive opening or closing of plural ports > With subsequent closing of first port > Rotary
Description: Devices which comprise valve units which only rotate.










Sub-classes under this class:

Class Number Class Name Patents
137/625.16 Plug 29


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8701711 Continuously adjustable, multi-port selection, constant flow capability, externally-actuated rotary flow valve apparatus, system and method Apr. 22, 2014
8656955 Rotary column selector valve Feb. 25, 2014
8646750 Ceramic water control valve with ceramic chips having pressing leak-proof functions Feb. 11, 2014
8632317 Air motor having a modular add on regulator Jan. 21, 2014
8632316 Air motor having drop tube with knuckle ends Jan. 21, 2014
8632315 Air motor having ceramic valves Jan. 21, 2014
8613276 Dual fuel gas valve and gas grill Dec. 24, 2013
8544501 Indexing arrangement Oct. 1, 2013
8474482 Plumbing shutoff or switching valve Jul. 2, 2013
8459302 Fluid-directing multiport rotary valve Jun. 11, 2013
8430126 Rotary distribution apparatus incorporating interstage pumps Apr. 30, 2013
8327864 Flow controller Dec. 11, 2012
8286663 Random access rotary valve Oct. 16, 2012
8281812 Valve with low friction coating Oct. 9, 2012
8191578 Rotary disc valve Jun. 5, 2012
8147756 Device for carrying out a chemical or physical treatment Apr. 3, 2012
7967005 Dual fuel gas valve and gas grill Jun. 28, 2011
7780097 Fluid delivery system Aug. 24, 2010
7644728 Splitter for faucets Jan. 12, 2010
7575196 Ice protection system and method including a plurality of segmented sub-areas and a cyclic diverter valve Aug. 18, 2009
7509977 Variable discharge sludge distributor Mar. 31, 2009
7500490 Rotary valve with internal leak control system Mar. 10, 2009
7225488 Air mattress control unit Jun. 5, 2007
7191797 Rotary distribution apparatus Mar. 20, 2007
7096804 Fluid distribution assembly having bleed groove for leakage Aug. 29, 2006
7077187 Apparatus for exchanging energy and/or mass Jul. 18, 2006
7059349 Multiport diverter valve Jun. 13, 2006
7036171 Air mattress control unit May. 2, 2006
6874436 Fluid distribution assembly Apr. 5, 2005
6789573 Delivery control device for the supply to hydraulic apparatuses Sep. 14, 2004
6719001 Fluid-directing multiport rotary valve Apr. 13, 2004
6698046 Air mattress control unit Mar. 2, 2004
6537451 Rotary valve Mar. 25, 2003
6527125 Washing liquid distribution system Mar. 4, 2003
6453946 Long lifetime fluid switching valve Sep. 24, 2002
6431202 Fluid-directing multiport rotary valve Aug. 13, 2002
6402465 Ring valve for turbine flow control Jun. 11, 2002
6378509 Exhaust gas recirculation system having multifunction valve Apr. 30, 2002
6318420 Constant flow distribution valve Nov. 20, 2001
6197195 Fluid handling apparatus and flow control assembly therefor Mar. 6, 2001
6179004 Vacuum holder for automated carton erecting machine Jan. 30, 2001
6012488 Segmenting valve Jan. 11, 2000
5803117 Multi-route full sweep selection valve Sep. 8, 1998
5704396 Modulation rotary valve Jan. 6, 1998
5647530 Anti-scald sanitary valve Jul. 15, 1997
5620025 Multi-port valve Apr. 15, 1997
5613511 Device for washing the interior of a building, and a distribution valve associated therewith Mar. 25, 1997
5478475 Fluid distribution apparatus, an artificial moving bed, and a continuous adsorption method Dec. 26, 1995
5400822 Valve cartridge Mar. 28, 1995
5391353 Metering device with radial arrangement of valves Feb. 21, 1995

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