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Class Information
Number: 137/114
Name: Fluid handling > Self-proportioning or correlating systems > Self-controlled branched flow systems > Plural inflows > One inflow supplements another
Description: Systems in which one inflow is added to or supplements the second flow and is in response to a sensed condition change such as reduction in pressure or flow in the second inflow or in the combined flow or in the level of accumulated fluid derived from the second or combined flow.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
5932132 Sterile connector apparatus and method Aug. 3, 1999
5904171 Relief valve May. 18, 1999
5884649 Fluid measuring, dilution and delivery system with air leakage monitoring and correction Mar. 23, 1999
5873946 Installation and a process for lubricating, cleaning and/or disinfecting conveyor belts Feb. 23, 1999
5865206 Process and apparatus for backing-up or supplementing a gas supply system Feb. 2, 1999
5850844 Pressure reduction valve Dec. 22, 1998
5823220 Pressure reduction system and method Oct. 20, 1998
5810042 Device for ensuring the safety of the gas and oxygen supply to a cutting and welding torch, and a flow-pressure switch for use in said device Sep. 22, 1998
5803107 Method and apparatus for pressure control in vacuum processors Sep. 8, 1998
5769108 Fluid measuring, dilution and delivery system with air leakage monitoring and correction Jun. 23, 1998
5758680 Method and apparatus for pressure control in vacuum processors Jun. 2, 1998
5720314 System for controlling flow through a process region Feb. 24, 1998
5720068 Automatic swimming pool cleaners and associated components Feb. 24, 1998
5718564 Centrifugal pump with adaptor for various valves Feb. 17, 1998
5671767 Gas mixing apparatus for respirator Sep. 30, 1997
5664938 Mixing apparatus for microflow gradient pumping Sep. 9, 1997
5655562 System for controlling flow through a process region Aug. 12, 1997
5653251 Vacuum actuated sheath valve Aug. 5, 1997
5632299 Water and steam mixing device May. 27, 1997
5570713 Flow control weir valve Nov. 5, 1996
5568974 Liquid mixing device Oct. 29, 1996
5551472 Pressure reduction system and method Sep. 3, 1996
5544674 Gas mixing apparatus for respirator Aug. 13, 1996
5478216 Vacuum limiter for pump Dec. 26, 1995
5452737 Proportional fluid blending device for blending two or more gases or liquids Sep. 26, 1995
5450873 System for controlling flow through a process region Sep. 19, 1995
5351709 Control valves Oct. 4, 1994
5299594 Liquid flow rate detector Apr. 5, 1994
5289681 Power steering system Mar. 1, 1994
5285808 Diverting relief valve backflow Feb. 15, 1994
5275189 System for dispensing a fuel mixture Jan. 4, 1994
5265635 Control means and method for controlling feed gases Nov. 30, 1993
5265640 System for identifying unauthorized liquid waste and waste water discharges Nov. 30, 1993
5247957 Modular lubrication multiple concentration control apparatus Sep. 28, 1993
5244118 Gas blending apparatus Sep. 14, 1993
5178178 Valve assembly Jan. 12, 1993
5168891 Float valve and utilization system Dec. 8, 1992
5167273 Aspirator tube check valve assembly and method of continuously sensing vehicular interior compartment air temperature Dec. 1, 1992
5161737 Temperature control flow valve Nov. 10, 1992
5139045 System for dispensing a fuel mixture Aug. 18, 1992
5030077 Multi-layer molding nozzle Jul. 9, 1991
5017099 Fluid regulator valve May. 21, 1991
4979883 Vacuum limiter for pump Dec. 25, 1990
4971118 Fuel additive mixing system Nov. 20, 1990
4928850 Gas blending apparatus May. 29, 1990
4905724 Metering valve for heparin or the like Mar. 6, 1990
4896691 Pressure compensating device Jan. 30, 1990
4876001 Apparatus for use with a pool cleaner Oct. 24, 1989
4865068 Bleed control apparatus for a fluid conveying system Sep. 12, 1989
4832126 Diverter system and blowout preventer May. 23, 1989

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