Resources Contact Us Home
Browse by Category: Main > Engineering
Class Information
Number: 137/599.08
Name: Fluid handling > Systems > Dividing into parallel flow paths with recombining > With multi way valve having serial valve in at least one branch

Patents under this class:

Patent Number Title Of Patent Date Issued
8651135 Mass flow controller, mass flow controller system, substrate processing device, and gas flow rate adjusting method Feb. 18, 2014
8590569 Metering ball valve Nov. 26, 2013
8567442 Soft start device for pneumatic systems and method for the operation of a soft start device Oct. 29, 2013
8397753 Systems and methods providing hands free water faucet control Mar. 19, 2013
8322357 Integrity protection for pressurized bi-directional systems Dec. 4, 2012
7699073 Soft start device for compressed air systems Apr. 20, 2010
7389793 Faucet device selectively operatable manually or automatically Jun. 24, 2008
7290587 Die thermal management through coolant flow control Nov. 6, 2007
6883541 Manual-automatic water faucet Apr. 26, 2005
6450201 Multiway turning valve Sep. 17, 2002
6405754 Modular multiple output pneumatic pressure valve Jun. 18, 2002
6257277 Modular multiple output pneumatic pressure valve Jul. 10, 2001
6240959 Hydraulic safety fuse device Jun. 5, 2001
6202688 Instant-on vented tank valve with manual override and method of operation thereof Mar. 20, 2001
6098674 Solenoid valve and its application to an apparatus for delivering cryogenic liquid and a packaging plant Aug. 8, 2000
6032690 Fluid diverter system Mar. 7, 2000
6024123 Fluid diverter system Feb. 15, 2000
5944257 Bulb-operated modulating gas valve with minimum bypass Aug. 31, 1999
5937886 Method and device for delivering a pure gas charged with a predetermined quantity of at least one gaseous impurity to an apparatus Aug. 17, 1999
5922286 Device for delivering any one of a plurality of gases to an apparatus Jul. 13, 1999
5871031 Removable three position valve Feb. 16, 1999
5839470 Three-way stopcock and flow rate control device in use thereof Nov. 24, 1998
5655560 Clog-free valving system Aug. 12, 1997
5400816 Pilot actuated override mechanism for holding valve Mar. 28, 1995
5381828 Slow starting valve Jan. 17, 1995
5313871 Hydraulic control system utilizing a plurality of branch passages with differing flow rates May. 24, 1994
5174337 Water conditioner rotary valve Dec. 29, 1992
5029470 Device for measuring or metering and regulating the mass of a flow of gas Jul. 9, 1991
4962790 Faucet having proximity actuation control and hand control that can be interchangeable Oct. 16, 1990
4928731 Aircraft toilet tank filling valve assembly May. 29, 1990
4913186 Slide valve for fluid-carrying lines Apr. 3, 1990
4805666 Slide valve Feb. 21, 1989
4751942 Multi-function fuel metering valve Jun. 21, 1988
4643224 Alarm test device for a sprinkler system Feb. 17, 1987
4586536 Flow control valve May. 6, 1986
4501295 Transfer valve Feb. 26, 1985
4367140 Reverse osmosis liquid purification apparatus Jan. 4, 1983
4304259 Plant circuit having change-over means for changing sequence of flow Dec. 8, 1981
4191215 Digital fluid flow rate controller Mar. 4, 1980
4154263 Control valve May. 15, 1979
4132153 Metering control valve and fluid power system Jan. 2, 1979
4105555 Multi-port valve Aug. 8, 1978
4103696 Control valve Aug. 1, 1978
4036011 Multiple valve sequential control for a combined cycle power plant Jul. 19, 1977
4005636 Hydraulic system for a working machine Feb. 1, 1977

  Recently Added Patents
Method and system for phase-sensitive magnetic resonance imaging
Nitrogen and hindered phenol containing dual functional macromolecular antioxidants: synthesis, performances and applications
Mechanisms for marking the orientation of a sawed die
Audio and music data transmission medium and transmission protocol
Quaternary chalcogenide wafers
Sabatier process and apparatus for controlling exothermic reaction
Systems and methods for managing policies on a computer
  Randomly Featured Patents
Printing head of dot printer
Process of incorporating microcapsules into dryer-added fabric care articles
Narrow write head pole tip fabricated by sidewall processing
Razor comb
Predictive image caching algorithm
Ink tank and ink jet printer incorporating the same
Pressure differential indicating apparatus for a hydraulic measuring bridge and its associated measuring piston
Materials handling vehicle having a steer system including a tactile feedback device
Sleep support device
Server device, mobile communications terminal, information transmitting system and information transmitting method