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Class Information
Number: 137/625.19
Name: Fluid handling > Systems > Multi-way valve unit > Plural noncommunicating flow paths > Rotary plug
Description: Devices wherein the valve unit is of the rotary type.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8631822 Dual-flow valve and swivel Jan. 21, 2014
8613276 Dual fuel gas valve and gas grill Dec. 24, 2013
8573256 Revolving switching device Nov. 5, 2013
8555923 Valve assembly Oct. 15, 2013
8356629 Multiway cock and liquid dispensing circuit Jan. 22, 2013
8356625 Device for the controlled guidance of a polymer melt Jan. 22, 2013
8267117 Fuel shutoff valve Sep. 18, 2012
8001783 Apparatus, system, and method for turbocharger bypass and exhaust braking with a single valve Aug. 23, 2011
7967005 Dual fuel gas valve and gas grill Jun. 28, 2011
7814964 Isolation valve for main and auxiliary vehicle air conditioning system Oct. 19, 2010
7717061 Gas switching mechanism for plasma processing apparatus May. 18, 2010
7699076 Valve assembly Apr. 20, 2010
7543723 Air vented liquid valve Jun. 9, 2009
7000425 Manifold for pack and a half condensing cycle pack with combined heat exchangers Feb. 21, 2006
6886664 Automotive fluid exchange system May. 3, 2005
6612337 Rotary valve Sep. 2, 2003
6609367 Exhaust control valve Aug. 26, 2003
6444127 Water conditioning unit control valve Sep. 3, 2002
6345645 Fluid distribution valve Feb. 12, 2002
6308739 Flexible rotor valve seal and ganged rotor valve incorporating same Oct. 30, 2001
6230744 Valve arrangement and valve for the same May. 15, 2001
6206028 Universal multi-path control valve system Mar. 27, 2001
6161581 Valve device for water distribution purposes Dec. 19, 2000
6158467 Four-port, four-way, stopcock for intravenous injections and infusions and direction of flow of fluids and gasses Dec. 12, 2000
6070624 Service-line valve connector and spout valve Jun. 6, 2000
6000430 Distribution valve Dec. 14, 1999
5743294 Liquid flow control valve and bottle adapter Apr. 28, 1998
5675978 Oil management apparatus for a refrigeration chiller Oct. 14, 1997
5597021 Dispensing closure for liquid containers Jan. 28, 1997
5560584 Safety filling device with a closing element Oct. 1, 1996
5476312 Anti-locking and anti-wheelspin brake device with single distributor Dec. 19, 1995
5437304 Device for alternate admission of a liquid or a pressurized gas to one or more moulds used in plastics processing Aug. 1, 1995
5417243 Pneumatic interface apparatus for calibrating HVAC systems May. 23, 1995
5405585 Fluid delivery system utilizing multiple port valve Apr. 11, 1995
5207643 Multi-lumen-catheter flow valve system May. 4, 1993
5084031 Cardioplegia three-way double stopcock Jan. 28, 1992
4986307 Rotary pneumatic valve Jan. 22, 1991
4979639 Beverage dispenser control valve and ratio control method therefor Dec. 25, 1990
4909933 Apparatus for mixing solutions in low gravity environments Mar. 20, 1990
4880032 Multiple port valve Nov. 14, 1989
4846223 Self-venting spool valve assembly Jul. 11, 1989
4776730 System and method for managing fly ash transport and valve for use therein Oct. 11, 1988
4716923 Apparatus for manipulating parallel fluid flow circuits Jan. 5, 1988
4602657 Valve manifold for a differential pressure transmitter Jul. 29, 1986
4573532 Jacquard fluid controller for a fluid sampler and tester Mar. 4, 1986
4569236 Biological fluid sampler Feb. 11, 1986
4501295 Transfer valve Feb. 26, 1985
4466460 Valve apparatus with improved means to prevent cross-venting Aug. 21, 1984
4397335 Rotary valve especially useful in a medical system including a flow-directed venous catheter Aug. 9, 1983
4373560 Apparatus for filling caulking tubes Feb. 15, 1983

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