Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1016365 | Light fixture | — | 2024-02-27 |
| 8241478 | Arrangement of ion exchange material within an electrodeionization apparatus | John H. Barber | 2012-08-14 |
| 8168055 | Arrangement of ion exchange material within an electrodeionization apparatus | John H. Barber | 2012-05-01 |
| 8066860 | Arrangement of ion exchange material within an electrodeionization apparatus | John H. Barber | 2011-11-29 |
| 6338784 | Apparatus for producing deionized water | Ichiro Terada, Hiroshi Toda, Kazuo Umemura, Mark Philip Huehnergard, Ian Glenn Towe | 2002-01-15 |
| 6228240 | Method and apparatus for producing deionized water | Ichiro Terada, Hiroshi Toda, Junjiro Iwamoto, Kazuo Umemura, Ken Komatsu +3 more | 2001-05-08 |
| 6197174 | Method and apparatus for electrodeionization of water using mixed bed and single phase ion exchange materials in the diluting compartment | John H. Barber | 2001-03-06 |
| 6193869 | Modular apparatus for the demineralization of liquids | Ian Glenn Towe, Mark Philip Huehnergard | 2001-02-27 |
| 6156180 | Electrodeionization apparatus having geometric arrangement of ion exchange material | Joseph Denis Robert Toupin, Ian Glenn Towe | 2000-12-05 |
| 6149788 | Method and apparatus for preventing scaling in electrodeionization units | Robert Glegg, John H. Barber | 2000-11-21 |
| 6056878 | Method and apparatus for reducing scaling in electrodeionization systems and for improving efficiency thereof | Tom Kosir, Steve Siverns, Mark Philip Huehnergard, Robert Glegg | 2000-05-02 |
| 5961805 | Method and apparatus for producing deionized water | Ichiro Terada, Hiroshi Toda, Junjiro Iwamoto, Kazuo Umemura, Ken Komatsu +3 more | 1999-10-05 |
| 5944972 | Method for producing deionized water | Hiroshi Toda, Tohru Hoshi | 1999-08-31 |
| 5762774 | Apparatus for the purification of liquids and a method of manufacturing and of operating same | — | 1998-06-09 |