Heraeus Electrochemie GmbH
Patent Owner
Stats
- 2 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Jul 27, 1999 most recent publication
Details
- 2 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 264 Total Citation Count
- Dec 03, 1980 Earliest Filing
- 26 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
Rank in Class
Top Patents (by citation)
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Recent Publications
- No Recent Publications to Display
Recent Patents
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
5660698 Electrode configuration for gas-forming electrolytic processes in membrane cells or diapragm cellsExpiredSep 05, 95Aug 26, 97[C25B]
5516411 Method and apparatus for continuous electrolytic recovery of metal in ribbon form from a metal containing solutionExpiredJan 18, 95May 14, 96[C25D]
5478448 Process and apparatus for regenerating an aqueous solution containing metal ions and sulfuric acidExpiredJul 01, 94Dec 26, 95[C23G]
5384020 Anode structure for cathodic protection against corrosion, and method for making the anode structureExpiredJun 02, 93Jan 24, 95[C23F]
5362369 Fully automatic current control for metal depletion cellsExpiredSep 03, 92Nov 08, 94[C25D, C25C]
5334301 Electrochemical cell having inflatable seals between electrodesExpiredFeb 09, 93Aug 02, 94[C25B]
4963244 Test cell for identifying deactivated surface areas of an electrodeExpiredJan 23, 90Oct 16, 90[G01N]
4786384 Electroytic cell for treatment of metal ion containing industrial waste waterExpiredNov 18, 87Nov 22, 88[C25B, C02F]
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