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Class Information
Number: 204/DIG.8
Name: Chemistry: electrical and wave energy > Ac plus dc
Description:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6576116 |
Hybrid joule heating/electro-osmosis process for extracting contaminants from soil layers |
Jun. 10, 2003 |
| 6197179 |
Pulse-modulated DC electrochemical coating process and apparatus |
Mar. 6, 2001 |
| 5496458 |
Electromagnetic enriching device for electrolytes |
Mar. 5, 1996 |
| 5324399 |
Method and system for monitoring quality of phosphate coating |
Jun. 28, 1994 |
| 5304298 |
Process for roughening aluminum or aluminum alloys |
Apr. 19, 1994 |
| 5298131 |
Method of monitoring metal ion content in plating baths |
Mar. 29, 1994 |
| 5106468 |
Electrophoretic separation |
Apr. 21, 1992 |
| 4919774 |
Electrolytically treating method |
Apr. 24, 1990 |
| 4875983 |
Process for continuous electrodeposition of chromium metal and chromium oxide on metal surfaces |
Oct. 24, 1989 |
| 4798656 |
Process for electrolytically dyeing an anodic oxide layer on aluminum or aluminum alloys |
Jan. 17, 1989 |
| 4704196 |
Process for surface treatment of carbon fiber |
Nov. 3, 1987 |
| 4622302 |
Process for inducing membrane fusion under an electric field |
Nov. 11, 1986 |
| RE31901 |
Continuous electrolytical treatment of aluminum or its alloys |
May. 28, 1985 |
| 4482444 |
Process for electrochemically modifying electrochemically roughened aluminum support materials and the use of these materials in the manufacture of offset printing plates |
Nov. 13, 1984 |
| 4457221 |
Sterilization apparatus |
Jul. 3, 1984 |
| 4437955 |
Combined AC and DC etching of aluminum foil |
Mar. 20, 1984 |
| 4363861 |
Toner transfer development using alternating electric field |
Dec. 14, 1982 |
| 4236992 |
High voltage electrolytic cell |
Dec. 2, 1980 |
| 4233132 |
Method and apparatus for producing hydrogen |
Nov. 11, 1980 |
| 4226680 |
Process for electrolytic coloration of anodized aluminium |
Oct. 7, 1980 |
| 4133725 |
Low voltage hard anodizing process |
Jan. 9, 1979 |
| 4113587 |
Method for electrochemical machining |
Sep. 12, 1978 |
| 4110190 |
Apparatus for machining electrically conducting substances by electrochemical attack |
Aug. 29, 1978 |
| 4048048 |
Apparatus for making a memory wire |
Sep. 13, 1977 |
| 4026781 |
Anodizing means and techniques |
May. 31, 1977 |
| 4009091 |
Skipping sine wave pulse plater system |
Feb. 22, 1977 |
| 3982235 |
Sinusoidal film plated memory wire |
Sep. 21, 1976 |
| 3959088 |
Method and apparatus for generating high amperage pulses from an A-C power source |
May. 25, 1976 |
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