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Class Information
Number: 251/208
Name: Valves and valve actuation > With selective flow regulation > Rotary
Description: Devices in which the flow controller is a rotary valve.










Sub-classes under this class:

Class Number Class Name Patents
251/209 Plug 139


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8689830 Spin controlled faucet outlet structure Apr. 8, 2014
8684710 Distributor assembly for two-speed gerotor device Apr. 1, 2014
8678005 Adjustable tracheostomy valve Mar. 25, 2014
8622253 Anhydrous ammonia fertilizer metering and distribution apparatus and method Jan. 7, 2014
8544815 Flow controller Oct. 1, 2013
8544499 Variable orifice for particulate coal conduit Oct. 1, 2013
8534360 Debris anti-compaction system for ball valves Sep. 17, 2013
8534320 Magnetic transmission Sep. 17, 2013
8479758 Methods and devices for reducing water consumption Jul. 9, 2013
8459365 Apparatus for creating bidirectional rotary force or motion in a downhole device and method for using same Jun. 11, 2013
8418716 Volume and pressure regulating device for oxygen Apr. 16, 2013
8398054 Device for throttling the free cross-section of a steam pipe Mar. 19, 2013
8347831 Sealed control valve for a fluid flow circuit Jan. 8, 2013
8327864 Flow controller Dec. 11, 2012
8322443 Wellhead tree pressure limiting device Dec. 4, 2012
8297305 Valve assembly having an improved flow path Oct. 30, 2012
8286939 Pulse width modulated fluidic valve Oct. 16, 2012
8281812 Valve with low friction coating Oct. 9, 2012
8281814 Water supply valve cartridge Oct. 9, 2012
8251088 Variable orifice for particulate coal conduit Aug. 28, 2012
8241013 Serial capillary pump Aug. 14, 2012
8230878 Reversible flow valve assembly Jul. 31, 2012
8201819 Valve device and paper sheet pickup apparatus Jun. 19, 2012
8092212 Rotary valve arranged in multi-gas cooker Jan. 10, 2012
8079382 Unfreeze faucet structure Dec. 20, 2011
8074678 Reversible flow valve assembly Dec. 13, 2011
8016264 Rotary-valve and adsorption separation system Sep. 13, 2011
7827796 Rotary metering valve arrangement Nov. 9, 2010
7811067 Air driven pump with performance control Oct. 12, 2010
7779861 Device for adjusting the flow-rate of a fluid, particularly medical oxygen and compressed gases in general Aug. 24, 2010
7748565 Automatic dispensing apparatus Jul. 6, 2010
7744061 Butterfly valve with flow straightening Jun. 29, 2010
7726338 Valve with ceramic discs Jun. 1, 2010
7704221 Heater cooler valve Apr. 27, 2010
7694938 Distal rate control device Apr. 13, 2010
7651330 Rotary valve arranged in a multi-gas cooker Jan. 26, 2010
7641470 Multi-gas cooker, with a rotary valve provided with interchangeable regulating means Jan. 5, 2010
7628170 Flow control valve Dec. 8, 2009
7624749 Flow regulator for medical liquids and method for its fabrication Dec. 1, 2009
7607639 Valve structure Oct. 27, 2009
7503344 High pressure metering valve Mar. 17, 2009
7494073 Cleaning of submerged surfaces by discharge of pressurized cavitating fluids Feb. 24, 2009
7490627 Butterfly valve with water-filling function Feb. 17, 2009
7367544 Apparatus and method for replacing existing actuator zone valves in an HVAC system with a ball valve May. 6, 2008
7347407 Rotation speed regulating mechanism for pneumatic tools Mar. 25, 2008
7316384 Electric control valve Jan. 8, 2008
7237759 Air intake control device for internal combustion engine and air intake control device for gasoline engine Jul. 3, 2007
7234613 Granular material quick change valve assembly Jun. 26, 2007
7195229 Automatic sampler Mar. 27, 2007
7174877 Throttle valve opening and closing device Feb. 13, 2007

1 2 3 4 5










 
 
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