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Class Information
Number: 210/101
Name: Liquid purification or separation > Flow, fluid pressure or material level, responsive > Proportionate feed means
Description: Apparatus including means to maintain the ratio between plural flows at a predetermined value in response to means sensing a change in fluid condition in at least one of the flow lines.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7425263 |
Multi-component, simultaneous, independent multi-gradient system for liquid chromatography |
Sep. 16, 2008 |
| 7413659 |
Liquid chromatographic method and system |
Aug. 19, 2008 |
| 7402250 |
Equipment and method for feeding liquid gradient in nano/micro liquid chromatography |
Jul. 22, 2008 |
| 7396469 |
Backflow prevention for high pressure gradient systems |
Jul. 8, 2008 |
| 7351334 |
Liquid chromatographic method and system |
Apr. 1, 2008 |
| 7332087 |
Flow sensing apparatus used to monitor/provide feedback to a split flow pumping system |
Feb. 19, 2008 |
| 7306736 |
Valve mechanism for infusion fluid systems |
Dec. 11, 2007 |
| 7297268 |
Dual head pump driven filtration system |
Nov. 20, 2007 |
| 7244357 |
Pumps for filtration systems |
Jul. 17, 2007 |
| 7229550 |
Potable water treatment system and apparatus |
Jun. 12, 2007 |
| 7189320 |
Pump, pump for liquid chromatography, and liquid chromatography apparatus |
Mar. 13, 2007 |
| 7186336 |
Flow sensing apparatus |
Mar. 6, 2007 |
| 7182862 |
Fractionating apparatus |
Feb. 27, 2007 |
| 7175759 |
Apparatus and a method for controlling the alkalinity and pH of an industrial process |
Feb. 13, 2007 |
| 7169299 |
Fractionating apparatus for liquid chromatography |
Jan. 30, 2007 |
| 7169300 |
Fractionating apparatus |
Jan. 30, 2007 |
| 7163617 |
Chemical proportioning and dispensing systems |
Jan. 16, 2007 |
| 7144502 |
Chromatography system with gradient storage and method for operating the same |
Dec. 5, 2006 |
| 7141161 |
Gradient pump apparatus |
Nov. 28, 2006 |
| 7138062 |
Mobile phase gradient generation microfluidic device |
Nov. 21, 2006 |
| 7138051 |
Chromatography system, method and software for the separation of biomolecules |
Nov. 21, 2006 |
| 7135111 |
Separation analyzer |
Nov. 14, 2006 |
| 7112273 |
Volumetric fluid balance control for extracorporeal blood treatment |
Sep. 26, 2006 |
| 7067061 |
Method and a device for preparing a medical liquid |
Jun. 27, 2006 |
| 7063785 |
Pump for liquid chromatography |
Jun. 20, 2006 |
| 7025876 |
Sample processing device and sample processing method |
Apr. 11, 2006 |
| 7021336 |
Even-flow septic tee arrangement |
Apr. 4, 2006 |
| 6994790 |
Whole blood collection and processing method |
Feb. 7, 2006 |
| 6982032 |
Apparatus and method for biological treatment of environmental contaminants and waste |
Jan. 3, 2006 |
| 6962658 |
Variable flow rate injector |
Nov. 8, 2005 |
| 6958119 |
Mobile phase gradient generation microfluidic device |
Oct. 25, 2005 |
| 6955760 |
Liquid chromatograph |
Oct. 18, 2005 |
| 6942792 |
Mixer for liquid chromatograph |
Sep. 13, 2005 |
| 6923916 |
Liquid chromatograph pump and control method therefor |
Aug. 2, 2005 |
| 6893569 |
Method and apparatus for high pressure liquid chromatography |
May. 17, 2005 |
| 6811710 |
Large water reservoir management system |
Nov. 2, 2004 |
| 6805791 |
Ozonated water flow and concentration control apparatus |
Oct. 19, 2004 |
| 6793815 |
Pumping arrangement |
Sep. 21, 2004 |
| 6780315 |
Backflow prevention for high pressure gradient systems |
Aug. 24, 2004 |
| 6652741 |
Piston pump, method and installation for filtering water |
Nov. 25, 2003 |
| 6627075 |
Device for and process of preparing volume flows of liquids in at least one passage of a chromatographic column |
Sep. 30, 2003 |
| 6620315 |
System for optimized control of multiple oxidizer feedstreams |
Sep. 16, 2003 |
| 6610201 |
High pressure capillary liquid chromatography solvent delivery system |
Aug. 26, 2003 |
| 6605221 |
Method and apparatus for washing polycarbonate/organic solvent solution |
Aug. 12, 2003 |
| 6585898 |
Method and apparatus for preparation and use of ozone water |
Jul. 1, 2003 |
| 6503389 |
Liquid chromatograph |
Jan. 7, 2003 |
| 6488852 |
Apparatus and method for biological treatment of environmental contaminants and waste |
Dec. 3, 2002 |
| 6485642 |
Liquid chromatograph |
Nov. 26, 2002 |
| 6458268 |
Industrial waste water treatment cleaning apparatus |
Oct. 1, 2002 |
| 6391192 |
Apparatus for treating biological sludge |
May. 21, 2002 |
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