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Class Information
Number: 210/142
Name: Liquid purification or separation > With program actuator > Plural treating units or sections sequentially controlled
Description: Apparatus in which there is a plurality of treating units or sections which are controlled in sequence.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7252760 |
Waste liquid processing method and waste liquid processing apparatus using the same |
Aug. 7, 2007 |
| 6997213 |
Low cost plate assembly for rotary valve |
Feb. 14, 2006 |
| 6814864 |
Extra-corporeal blood purification device |
Nov. 9, 2004 |
| 6793827 |
Method and device for preparing a medical fluid |
Sep. 21, 2004 |
| 6706171 |
Systems for treating wastewater in a series of filter-containing tanks |
Mar. 16, 2004 |
| 6544413 |
Simulated moving bed device |
Apr. 8, 2003 |
| 6287457 |
Water treatment device having volumeter driven monitoring discs |
Sep. 11, 2001 |
| 6261443 |
System for handling drain waters of different degrees of contamination |
Jul. 17, 2001 |
| 6214214 |
Water treatment system with purge valve responsive to fluid signals |
Apr. 10, 2001 |
| 6126815 |
Sequential air dissolved floatation apparatus and methods |
Oct. 3, 2000 |
| 6036866 |
Apparatus and method for fluid treatment units connected in parallel |
Mar. 14, 2000 |
| 6004463 |
Waste water treatment system and method |
Dec. 21, 1999 |
| 5935522 |
On-line DNA analysis system with rapid thermal cycling |
Aug. 10, 1999 |
| 5876611 |
Intraoperative blood salvaging system and method |
Mar. 2, 1999 |
| 5833844 |
Thermally-driven ion-exchange process for lithium recovery |
Nov. 10, 1998 |
| 5833867 |
System and method for backwashing multiple filtration vessels |
Nov. 10, 1998 |
| 5683576 |
Water ozonation treatment apparatus |
Nov. 4, 1997 |
| 5639377 |
Water treatment system |
Jun. 17, 1997 |
| 5628899 |
Control mechanism for controlling regeneration of two water treatment tanks |
May. 13, 1997 |
| 5578201 |
Apparatus for mixing liquids used in countercurrent multiphase liquid separation |
Nov. 26, 1996 |
| 5512168 |
Programmable solid phase extraction and elution device |
Apr. 30, 1996 |
| 5505846 |
Plate shifter for filter press |
Apr. 9, 1996 |
| 5466367 |
Industrial waste water treatment |
Nov. 14, 1995 |
| 5464530 |
Ion exchange methods and systems incorporating regenerant recycling |
Nov. 7, 1995 |
| 5443734 |
Programmable solid phase extraction and elution device |
Aug. 22, 1995 |
| 5423977 |
Rotary filter with automatic spray cleaning device for cleaning same |
Jun. 13, 1995 |
| 5415765 |
Water treatment system |
May. 16, 1995 |
| 5403489 |
Solid phase extraction method and apparatus |
Apr. 4, 1995 |
| 5395516 |
Filtration system |
Mar. 7, 1995 |
| 5385668 |
Apparatus for separating particulate material from a liquid medium |
Jan. 31, 1995 |
| 5354471 |
Method of treating wastewater |
Oct. 11, 1994 |
| 5320747 |
Apparatus for removing solid matter from fluid systems |
Jun. 14, 1994 |
| 5300230 |
Comprehensive water treatment system |
Apr. 5, 1994 |
| 5288412 |
Gray water processing system |
Feb. 22, 1994 |
| 5282978 |
Specimen processor method and apparatus |
Feb. 1, 1994 |
| 5268094 |
Wastewater processing apparatus |
Dec. 7, 1993 |
| 5232584 |
Method and apparatus for purifying and compacting solid wastes |
Aug. 3, 1993 |
| 5096588 |
Method and system for optimizing the operation of a trickling filter |
Mar. 17, 1992 |
| 5024766 |
Point of use deionized water purification unit |
Jun. 18, 1991 |
| 4997557 |
Floating, mixing, aerating and decanting unit |
Mar. 5, 1991 |
| 4990245 |
Sequence controller system for regenerating water treatment units |
Feb. 5, 1991 |
| 4975206 |
Cooking oil filtering method using automatic sequence controller for plural vats |
Dec. 4, 1990 |
| 4975196 |
Cyclic, multi-stage biological process for wastewater treatment |
Dec. 4, 1990 |
| 4935151 |
Process and apparatus for degassing and filtering liquids |
Jun. 19, 1990 |
| 4927545 |
Method and apparatus for automatic processing and analyzing of blood serum |
May. 22, 1990 |
| 4923068 |
Automatic filter system |
May. 8, 1990 |
| 4869814 |
Apparatus for separating dispersed phases for fluid mixtures |
Sep. 26, 1989 |
| 4775467 |
Reactor piping with pump column |
Oct. 4, 1988 |
| 4724073 |
Reactor piping and flow control system |
Feb. 9, 1988 |
| 4686045 |
Aeration of cesspools |
Aug. 11, 1987 |
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