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Class Information
Number: 137/601.18
Name: Fluid handling > Systems > Dividing into parallel flow paths with recombining > Having guide or restrictor
Description:










Sub-classes under this class:

Class Number Class Name Patents
137/601.19 Manually variable 29


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8671971 Systems and methods for providing a monitoring and deactivation apparatus for a beverage distribution system Mar. 18, 2014
8651137 Gas manifold system for steady gas supply at outlet Feb. 18, 2014
8640730 Variable resistance fluid controller Feb. 4, 2014
8578962 Connection fitting Nov. 12, 2013
8555920 Flow rate ratio variable type fluid supply apparatus Oct. 15, 2013
8539978 Gas valve unit with bypass flow Sep. 24, 2013
8413688 Device for controlling a pilot pressure signal Apr. 9, 2013
8381757 Valve device Feb. 26, 2013
8316887 Water tap Nov. 27, 2012
8281809 Aerosol inlet flow modulator Oct. 9, 2012
8251094 Water tap Aug. 28, 2012
8196605 Air intake device for engine Jun. 12, 2012
8186380 Decompression apparatus and inorganic porous body May. 29, 2012
8127792 Pressure equalization system for a bi-directional orifice fitting Mar. 6, 2012
7997300 Aerosol inlet flow modulator Aug. 16, 2011
7628170 Flow control valve Dec. 8, 2009
7617851 Refueling vapor recovery system Nov. 17, 2009
7566044 Coupling Jul. 28, 2009
7370675 Flow conditioner for a fluid transport pipe May. 13, 2008
7225829 Flow-control valve assembly Jun. 5, 2007
7210495 Gas line safety valve system May. 1, 2007
7128089 Flow control providing stable fluid flow Oct. 31, 2006
6871666 Bi-directional dual chamber orifice fitting Mar. 29, 2005
6719007 Amplitude attenuation of time-variant properties of fluid streams Apr. 13, 2004
6612321 Damping valve for power steering Sep. 2, 2003
6607006 Amplitude attenuation of time-variant properties of fluid streams Aug. 19, 2003
6591851 Seal-gas valve device Jul. 15, 2003
6581623 Auto-switching gas delivery system utilizing sub-atmospheric pressure gas supply vessels Jun. 24, 2003
6575189 Automatic valve Jun. 10, 2003
6467753 Sealing joint and casing, especially for a stopcock actuator Oct. 22, 2002
6289930 Refrigerant expansion device having combined piston orifice valve and solenoid-actuated closure Sep. 18, 2001
6247495 Flow rate detection mechanism with a restriction element for mass flow meters Jun. 19, 2001
6007421 Temperature control device Dec. 28, 1999
5938425 Method and device for control of the flame size of gas-fired cooking or baking appliances Aug. 17, 1999
5887786 Passive injection system used to establish a secondary system temperature from a primary system at a different temperature Mar. 30, 1999
5404945 Device for controlling the flow of fluid in an oil well Apr. 11, 1995
5282487 Flow control system Feb. 1, 1994
5148830 Flow control device Sep. 22, 1992
5125323 Pressurized oil supply/discharge circuit and valve device for use in such circuit Jun. 30, 1992
5099881 Flow dividing structure of mass flow controller Mar. 31, 1992
5097747 Pilot adjuster-connector for adjusting the speed of pneumatic pressure cylinders Mar. 24, 1992
5042448 Idle air bypass Aug. 27, 1991
4930934 Surface, subsurface, continuous feed moisture maintenance system apparatus and method Jun. 5, 1990
4917535 Pressure compensating flow rate control device with dual operating modes Apr. 17, 1990
4887641 Modified parallel blade damper for an air handling system Dec. 19, 1989
4858647 Attitude-insensitive, by-pass sensor Aug. 22, 1989
4858636 Preset microscopic flow valve apparatus and method Aug. 22, 1989
4757943 Method and apparatus for controlling the temperature of a liquid Jul. 19, 1988
4722363 Additive injection system for fluid transmission pipelines Feb. 2, 1988
4698998 Pressure calibration systems and control valve assemblies Oct. 13, 1987

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