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Class Information
Number: 137/100
Name: Fluid handling > Self-proportioning or correlating systems > Self-proportioning flow systems > Flow comparison or differential response
Description: Systems in which the sensing means is sensitive to the differences between the rates of flow or pressure difference along the line in a plurality of flow lines or at spaced points along one line.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 8424554 |
Control valve for a reverse osmosis water purification system |
Apr. 23, 2013 |
| 8375974 |
Temperature controlling device |
Feb. 19, 2013 |
| 8267111 |
Pressure balance valve |
Sep. 18, 2012 |
| 8132588 |
Valve |
Mar. 13, 2012 |
| 8091575 |
Valve system |
Jan. 10, 2012 |
| 8060680 |
Method of allocating memory |
Nov. 15, 2011 |
| 8042563 |
Cassette system integrated apparatus |
Oct. 25, 2011 |
| 7967022 |
Cassette system integrated apparatus |
Jun. 28, 2011 |
| 7806134 |
Mixed water control valve having a water pressure balance function to stabilize a water temperature |
Oct. 5, 2010 |
| 7201181 |
Mixing valve |
Apr. 10, 2007 |
| 7112273 |
Volumetric fluid balance control for extracorporeal blood treatment |
Sep. 26, 2006 |
| 6945507 |
Gas flow control |
Sep. 20, 2005 |
| 6880565 |
Shower bath tap valve assembly |
Apr. 19, 2005 |
| 6792965 |
Shuttle valve assembly |
Sep. 21, 2004 |
| 6789562 |
Viscosity regulating valve |
Sep. 14, 2004 |
| 6732754 |
Valve group for supply and control of hot, cold and mixed water flow |
May. 11, 2004 |
| 6644333 |
Hand-held shower system with inline adjustable temperature/pressure balanced mixing valve |
Nov. 11, 2003 |
| 6626208 |
Check valve for use in a pressure balance faucet |
Sep. 30, 2003 |
| 6601565 |
Pressure regulating valve and system |
Aug. 5, 2003 |
| 6583525 |
Viscosity regulating valve |
Jun. 24, 2003 |
| 6572350 |
Screw compressor |
Jun. 3, 2003 |
| 6470906 |
Valve having safety structure for cutting off hot water |
Oct. 29, 2002 |
| 6446655 |
Faucet assembly with independent controls for temperature and flow rate |
Sep. 10, 2002 |
| 6446834 |
Dispensing means |
Sep. 10, 2002 |
| 6412513 |
Valve having an easily sealing configuration |
Jul. 2, 2002 |
| 6382517 |
Device for equalizing hot water and cold water pressures and faucet, particularly thermostatic, for said equalizing device |
May. 7, 2002 |
| 6379201 |
Marine engine cooling system with a check valve to facilitate draining |
Apr. 30, 2002 |
| 6354617 |
Level control for a vehicle having air springs |
Mar. 12, 2002 |
| 6302135 |
Water faucet control valve |
Oct. 16, 2001 |
| 6220270 |
Brake velocity fuse |
Apr. 24, 2001 |
| 6185986 |
Line break detecting method for pressurized fluid pumping systems |
Feb. 13, 2001 |
| 6182682 |
Pressure balance device for use in a faucet |
Feb. 6, 2001 |
| 6131600 |
Structure of a cold and hot water mixing valve of a balance valve |
Oct. 17, 2000 |
| 6095176 |
Mixing valve for hot and cold water |
Aug. 1, 2000 |
| 6074176 |
Proportional product injection circuit with two diaphragm valves |
Jun. 13, 2000 |
| 6029687 |
Assembling structure for balance valve of cold/hot water mixing valve |
Feb. 29, 2000 |
| 6012476 |
Pressure balancer for use in a water inlet passage of a mixing faucet |
Jan. 11, 2000 |
| 6009893 |
Assembling structure for balance valve of cold/hot water mixing valve |
Jan. 4, 2000 |
| 6004175 |
Flush valve |
Dec. 21, 1999 |
| 5983918 |
Balancing valve assembly of a cold and hot water mixing valve |
Nov. 16, 1999 |
| 5971912 |
Fluid flow controlling device and an incubator incorporating the same therein |
Oct. 26, 1999 |
| 5960809 |
Fuel equalizing system for plurality of fuel tanks |
Oct. 5, 1999 |
| 5931181 |
Anti-scald faucet system |
Aug. 3, 1999 |
| 5901732 |
Pressure balancing device |
May. 11, 1999 |
| 5899219 |
Ratio mixing valve and method for controlling dither in same |
May. 4, 1999 |
| 5884653 |
Piston-type device to regulate pressure |
Mar. 23, 1999 |
| 5875808 |
Burnproof device of triple/double switch combination faucet |
Mar. 2, 1999 |
| 5842497 |
Adjustable shear direct contact steam injection heater |
Dec. 1, 1998 |
| 5826611 |
Pressure balancer structure for water passage of combination faucet |
Oct. 27, 1998 |
| 5760358 |
Hydraulic device for operating a drive piston for a moving component |
Jun. 2, 1998 |
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