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Class Information
Number: 204/248
Name: Chemistry: electrical and wave energy > Apparatus > Electrolytic > Cells > Internal battery
Description: Electrolytic cells in which the current supply is provided by means of an internal battery.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7513978 |
Method and apparatus for generating hydrogen |
Apr. 7, 2009 |
| 7481922 |
Fluid treatment apparatus |
Jan. 27, 2009 |
| 7459065 |
Hydrogen generator photovoltaic electrolysis reactor system |
Dec. 2, 2008 |
| 7393440 |
Hydrogen generation system |
Jul. 1, 2008 |
| 7238278 |
Apparatus for purifying water |
Jul. 3, 2007 |
| 7052600 |
Apparatus for treating water |
May. 30, 2006 |
| 6989095 |
Fluid conditioner for reducing scale, corrosion and paraffin buildup in hydrocarbon piping |
Jan. 24, 2006 |
| 6929734 |
Apparatus and method for feeding wire in treatment liquid |
Aug. 16, 2005 |
| 6837985 |
External counter electrode |
Jan. 4, 2005 |
| 6689270 |
Water treatment apparatus reducing hard water deposits in a conduit |
Feb. 10, 2004 |
| 6672382 |
Downhole electrical power system |
Jan. 6, 2004 |
| 6645365 |
Chemical milling |
Nov. 11, 2003 |
| 6605212 |
Removal of pollution from aqueous bodies |
Aug. 12, 2003 |
| 6332979 |
Cooling tower water cleaning system |
Dec. 25, 2001 |
| 6294072 |
Removal of metal oxide scale from metal products |
Sep. 25, 2001 |
| 6287450 |
Apparatus and method for purifying water with an immersed galvanic cell |
Sep. 11, 2001 |
| 6267883 |
Water conditioner for eliminating scale |
Jul. 31, 2001 |
| 6264837 |
Removal of pollution from aqueous bodies |
Jul. 24, 2001 |
| 6126820 |
Apparatus for purifying liquids |
Oct. 3, 2000 |
| 6113779 |
Electrical water purification apparatus |
Sep. 5, 2000 |
| 6017461 |
Water purification systems |
Jan. 25, 2000 |
| 5935412 |
Method and apparatus for eliminating odors in sewage systems |
Aug. 10, 1999 |
| 5876575 |
Method and apparatus for treatment of water |
Mar. 2, 1999 |
| 5728288 |
Apparatus and method for producing air containing minus alkali ion |
Mar. 17, 1998 |
| 5658450 |
Method of and device for industrial waste water treatment |
Aug. 19, 1997 |
| 5543040 |
Apparatus for purification of water-based fluids in closed-loop flow systems |
Aug. 6, 1996 |
| 5480522 |
Self-energizing fluid treatment apparatus employing external electrodes |
Jan. 2, 1996 |
| 5478458 |
Water purifier |
Dec. 26, 1995 |
| 5454917 |
Apparatus and process for recovering metal from an aqueous solution |
Oct. 3, 1995 |
| 5387324 |
Method for providing an ionic change in fluid |
Feb. 7, 1995 |
| 5368705 |
Fuel treatment and conditioning apparatus |
Nov. 29, 1994 |
| 5358617 |
Self-contained water treatment device |
Oct. 25, 1994 |
| 5328572 |
Dual system using three electrodes to treat fluid |
Jul. 12, 1994 |
| 5258108 |
Fluid-treatment and conditioning apparatus and method |
Nov. 2, 1993 |
| 5234555 |
Method and apparatus for ionizing fluids utilizing a capacitive effect |
Aug. 10, 1993 |
| 5102515 |
Method and apparatus for treating fluid |
Apr. 7, 1992 |
| 5094739 |
Methods and apparatus for treatment of water |
Mar. 10, 1992 |
| 5089107 |
Bi-polar auto electrolytic hydrogen generator |
Feb. 18, 1992 |
| 4935116 |
Water purification device |
Jun. 19, 1990 |
| 4902391 |
Method and device for ionizing fluid |
Feb. 20, 1990 |
| 4749457 |
Precipitation of colloidal materials from aqueous systems by electrochemical release of metallic flocculating agents and dynamic bimetallic cell for use therein |
Jun. 7, 1988 |
| 4606828 |
Scale formation preventor and/or remover |
Aug. 19, 1986 |
| 4561948 |
Electrochemical neutralization of acid electrolyte |
Dec. 31, 1985 |
| 4548684 |
Treatment of manganese nodules |
Oct. 22, 1985 |
| 4544470 |
Electrochemical photocatalytic structure |
Oct. 1, 1985 |
| 4522190 |
Flexible electrochemical heater |
Jun. 11, 1985 |
| 4487676 |
Anticorrosion anode with magnetic holddown |
Dec. 11, 1984 |
| 4422911 |
Method of recovering hydrogen-reduced metals, ions and the like at porous catalytic barriers and apparatus therefor |
Dec. 27, 1983 |
| 4352722 |
Integrated photovoltaic electrolytic cell |
Oct. 5, 1982 |
| 4325798 |
Self-energizing water treatment accessory |
Apr. 20, 1982 |
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