Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8520210 | Separation of cenospheres from fly ash | Bruce W. Ramme, Pradeep K. Rohatgi | 2013-08-27 |
| 8074804 | Separation of cenospheres from fly ash | Bruce W. Ramme, Pradeep K. Rohatgi | 2011-12-13 |
| 7217401 | Mercury removal from activated carbon and/or fly ash | Bruce W. Ramme, Terry L. Coughlin, Bryna D. Goeckner, Bryan Fisher | 2007-05-15 |
| 6821336 | Electrically conductive concrete and controlled low strength materials having carbon fibers | Bruce W. Ramme, Richard H. Setchell, Jr., Robert F. Bischke | 2004-11-23 |
| 6461424 | Electrically conductive concrete and controlled low-strength materials | Bruce W. Ramme, Richard H. Setchell, Jr., Robert F. Bischke | 2002-10-08 |