Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6852224 | Carbon fiber filters | Francis J. Derbyshire, Mario Elmen Tremblay, Steve G. Fishter, Dimitris Ioannis Collias | 2005-02-08 |
| 6702875 | Carbon fiber filters for air filtration | Francis J. Derbyshire | 2004-03-09 |
| 6581375 | Apparatus and method for the recovery and purification of water from the exhaust gases of internal combustion engines | Geoffrey M. Kimber | 2003-06-24 |
| 6258300 | Activated carbon fiber composite material and method of making | Timothy D. Burchell, Charles E WEAVER, Bill R. Chilcoat, Frank Derbyshire | 2001-07-10 |
| 6057262 | Activated carbon and process for making same | Francis J. Derbyshire | 2000-05-02 |
| 6030698 | Activated carbon fiber composite material and method of making | Timothy D. Burchell, Charles E WEAVER, Bill R. Chilcoat, Frank Derbyshire | 2000-02-29 |
| 5721186 | Method for producing catalysis from coal | Malvina Farcasiu, Frank Derbyshire, Phillip B. Kaufman | 1998-02-24 |