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Class Information
Number: 204/661
Name: Chemistry: electrical and wave energy > Apparatus > Apparatus for electrical (including simultaneous electrical and magnetic) separation or purification of liquid or magnetic treatment of liquid (other than separation) > With control means responsive to sensed condition
Description: Apparatus in which means are provided to detect an apparatus or process characteristic or change therein and to control or regulate operation of the apparatus or process based on the detected characteristic or change therein.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7524413 |
Method and apparatus for treating fluids |
Apr. 28, 2009 |
| 7524423 |
System and method of generating a ringing magnetic pulse for the treatment of flowing liquids |
Apr. 28, 2009 |
| 7524424 |
Apparatus and method of generating a ringing magnetic pulse for the treatment of flowing liquids |
Apr. 28, 2009 |
| 7402239 |
Water purification apparatus and method of using the same |
Jul. 22, 2008 |
| 7354509 |
Wastewater treatment system |
Apr. 8, 2008 |
| 7288185 |
Magnetic energy wave device |
Oct. 30, 2007 |
| 7267762 |
Fluid treatment system apparatus and method |
Sep. 11, 2007 |
| 7264712 |
Fluid treatment system apparatus and method |
Sep. 4, 2007 |
| 7011750 |
Water treatment device |
Mar. 14, 2006 |
| 6860990 |
Device for treating water |
Mar. 1, 2005 |
| 6773602 |
Manufacturing apparatus for the production of magnetized water and its method |
Aug. 10, 2004 |
| 6712947 |
Water purifying apparatus with electric field generator |
Mar. 30, 2004 |
| 6706179 |
Water magnetizer |
Mar. 16, 2004 |
| 6585867 |
Production system of electrolyzed water |
Jul. 1, 2003 |
| 6582592 |
Apparatus for removing dissolved metals from wastewater by electrocoagulation |
Jun. 24, 2003 |
| 6524450 |
Production system of electrolyzed water |
Feb. 25, 2003 |
| 6325907 |
Energy and weight efficient flow-through capacitor, system and method |
Dec. 4, 2001 |
| 6309519 |
Reactor for treating liquids using variable flow paths |
Oct. 30, 2001 |
| 6193878 |
Multi-modal method and apparatus for treating a solution |
Feb. 27, 2001 |
| 5985108 |
Controlling apparatus for continuous electrolytic ion water producing apparatus |
Nov. 16, 1999 |
| 5914021 |
Apparatus and method for continuous extraction of a charged substance from a conductive fluid |
Jun. 22, 1999 |
| 5902489 |
Particle handling method by acoustic radiation force and apparatus therefore |
May. 11, 1999 |
| 5879546 |
Water purification and recovery system |
Mar. 9, 1999 |
| 5788827 |
Means and method for removing particulate matter from nonconductive liquids |
Aug. 4, 1998 |
| 5783090 |
Ionic water treatment system |
Jul. 21, 1998 |
| 4988427 |
Liquid/solid separation unit |
Jan. 29, 1991 |
| 4865748 |
Method and system for variable frequency electromagnetic water treatment |
Sep. 12, 1989 |
| 4402818 |
Electrofiltration system for purifying organic liquids |
Sep. 6, 1983 |
| 4400253 |
Voltage control system for electrostatic oil treater |
Aug. 23, 1983 |
| 4350590 |
Filtration system |
Sep. 21, 1982 |
| 4349430 |
Apparatus for electrochemical purification of contaminated liquids |
Sep. 14, 1982 |
| 4033851 |
A.C. hydroelectrostatic precipitator |
Jul. 5, 1977 |
| 4012310 |
Electrostatic water treatment system |
Mar. 15, 1977 |
| 3939395 |
System for connecting and disconnecting power source terminals to a load for time proportional to the current drawn by the load |
Feb. 17, 1976 |
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