Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8075751 | Water chlorinator having dual functioning electrodes | Yuanwu Xie | 2011-12-13 |
| 6569296 | Ladder anode for cathodic protection of steel reinforcement in atmospherically exposed concrete | John William Burgher, Richard E. Loftfield | 2003-05-27 |
| 6562229 | Louvered anode for cathodic protection systems | John William Burgher, Richard E. Loftfield | 2003-05-13 |
| 6056867 | Ladder anode for cathodic protection | John William Burgher, Richard E. Loftfield | 2000-05-02 |
| 5904832 | Regeneration of active carbon and polymeric adsorbents | Arthur L. Clifford, Timothy A. Mumby, Derek J. Rogers | 1999-05-18 |
| 5702587 | Chemical and electrochemical regeneration of active carbon | Arthur L. Clifford, Timothy A. Mumby, Derek J. Rogers | 1997-12-30 |
| 5643437 | Co-generation of ammonium persulfate anodically and alkaline hydrogen peroxide cathodically with cathode products ratio control | Timothy A. Mumby, John R. Jackson, Derek J. Rogers | 1997-07-01 |
| 5411646 | Cathodic protection anode and systems | Robert M. Gossett, Michael K. Baach, Richard E. Loftfield | 1995-05-02 |
| 5316629 | Process for maintaining electrolyte flow rate through a microporous diaphragm during electrochemical production of hydrogen peroxide | Arthur L. Clifford, Derek J. Rogers | 1994-05-31 |
| 5004626 | Anodes and method of making | Richard E. Loftfield | 1991-04-02 |
| 4921587 | Porous diaphragm for electrochemical cell | Arthur L. Clifford | 1990-05-01 |
| 4891107 | Porous diaphragm for electrochemical cell | Arthur L. Clifford | 1990-01-02 |
| 4872957 | Electrochemical cell having dual purpose electrode | Edward B. Noonan, Derek J. Rogers, Arthur L. Clifford, Katharina Benesch, Richard E. Loftfield | 1989-10-10 |