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Class Information
Number: 210/167
Name: Liquid purification or separation > Structural installation > Closed circulating systems
Description: Apparatus with means to recirculate a liquid therebetween.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7112282 |
Fountain solution recycling system for commercial printers |
Sep. 26, 2006 |
| 7111332 |
Waterless urinals which can be flushed |
Sep. 26, 2006 |
| 7094339 |
Liquid-treating method |
Aug. 22, 2006 |
| 7090769 |
Vacuum for spas and method of use |
Aug. 15, 2006 |
| 7087159 |
Fountain solution recycling system for commercial printers |
Aug. 8, 2006 |
| 7077954 |
Apparatus and method for recirculating machine tool coolant and removing ferrous debris therefrom |
Jul. 18, 2006 |
| 7074337 |
Methods and apparatuses for filtering water |
Jul. 11, 2006 |
| 7067056 |
Water filter with integrated treatment media |
Jun. 27, 2006 |
| 7060180 |
Ozone generator retrofit apparatus for jetted tubs and spas |
Jun. 13, 2006 |
| 7060189 |
Method and apparatus for recycling wash chemicals |
Jun. 13, 2006 |
| 7052599 |
Method and apparatus for reuse of abrasive fluid used in the manufacture of semiconductors |
May. 30, 2006 |
| 7052600 |
Apparatus for treating water |
May. 30, 2006 |
| 7052601 |
Process and means for the treatment of water in an aquaculture system |
May. 30, 2006 |
| 7044158 |
Continuous filtration systems using pump, venturi and flow control valve |
May. 16, 2006 |
| 7029587 |
Water purification |
Apr. 18, 2006 |
| 7018529 |
System for producing ultrapure water |
Mar. 28, 2006 |
| 7018528 |
Portable purifying system |
Mar. 28, 2006 |
| 7014778 |
Device and method for treating waste product |
Mar. 21, 2006 |
| 7014753 |
Salt chlorine generator |
Mar. 21, 2006 |
| 7011744 |
Brine supply unit |
Mar. 14, 2006 |
| 7008531 |
Treatment of circulating water systems |
Mar. 7, 2006 |
| 6979399 |
Sludge recovery apparatus and method |
Dec. 27, 2005 |
| 6977037 |
Apparatus for use in reclaiming coolant used in cutting machines |
Dec. 20, 2005 |
| 6976286 |
Motorized self-draining utility bucket |
Dec. 20, 2005 |
| 6964739 |
Device and method for generating and applying ozonated water |
Nov. 15, 2005 |
| 6955118 |
Filter mounting assembly |
Oct. 18, 2005 |
| 6949183 |
Element manufacturing system having suction jig for accumulating fibers contained in fiber solution |
Sep. 27, 2005 |
| 6942787 |
Filter module with pressure regulator |
Sep. 13, 2005 |
| 6935223 |
Pressure fryer |
Aug. 30, 2005 |
| 6926822 |
Method and apparatus for removing particulate contaminants from commercial laundry wastewater |
Aug. 9, 2005 |
| 6911142 |
Overhead return piping system |
Jun. 28, 2005 |
| 6896798 |
Pond filter with filter bag |
May. 24, 2005 |
| 6893556 |
Apparatus for pretreatment prior to painting |
May. 17, 2005 |
| 6890428 |
Fryer filtration arrangement |
May. 10, 2005 |
| 6890429 |
Systems and methods for treating waste water |
May. 10, 2005 |
| 6863809 |
Shale bin/settling tank/centrifuge combination skid |
Mar. 8, 2005 |
| 6861033 |
Purified water supply system for high demand devices and applications |
Mar. 1, 2005 |
| 6860989 |
Make-up water re-circulation in slurry processing unit |
Mar. 1, 2005 |
| 6857162 |
Cleaning and/or treatment device |
Feb. 22, 2005 |
| 6855257 |
Method and system for heat transfer |
Feb. 15, 2005 |
| 6846407 |
Method and apparatus for recovery of waste water |
Jan. 25, 2005 |
| 6843910 |
Ornamental pond |
Jan. 18, 2005 |
| 6827857 |
Control valve and water purification method |
Dec. 7, 2004 |
| 6821416 |
Pond system and related pump |
Nov. 23, 2004 |
| 6820540 |
Walled fryer element |
Nov. 23, 2004 |
| 6814875 |
Method and device for treating waste liquid, solvent separator, and cleaning device using thereof |
Nov. 9, 2004 |
| 6783665 |
Unit for automatically bleeding off the water which separates in a vehicle fuel filter, in particular for diesel engines |
Aug. 31, 2004 |
| 6764604 |
Sewer line pumping system |
Jul. 20, 2004 |
| 6761820 |
Paint-sludge filtration system featuring pool aeration using high-pressure discharge from filter vacuum producer |
Jul. 13, 2004 |
| 6758231 |
Redundant array control system for water rides |
Jul. 6, 2004 |
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