Issued Patents All Time
Showing 26–45 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6855901 | Process and apparatus for spectroscopic identification and sorting of barrier materials | Robert D. Guenard, Muhammad A. Shafi, Terry W. Glass, Mary Anne Leugers, John T. Rich | 2005-02-15 |
| 6610981 | Method and apparatus for near-infrared sorting of recycled plastic waste | — | 2003-08-26 |
| 6519315 | High speed materials sorting using x-ray fluorescence | Robert H. Parrish, David B. Spencer, Charles E. Roos | 2003-02-11 |
| 6313423 | Application of Raman spectroscopy to identification and sorting of post-consumer plastics for recycling | John T. Rich | 2001-11-06 |
| 6266390 | High speed materials sorting using x-ray fluorescence | Robert H. Parrish, David B. Spencer, Charles E. Roos | 2001-07-24 |
| 6124560 | Teleoperated robotic sorting system | Charles E. Roos, Robert H. Parrish, James Russell | 2000-09-26 |
| RE36537 | Method and apparatus for sorting materials using electromagnetic sensing | Michael A. Kittel, James R. Peatman | 2000-02-01 |
| 5738224 | Method and apparatus for the separation of materials using penetrating electromagnetic radiation | Michael A. Kittel, James R. Peatman | 1998-04-14 |
| 5638959 | Rotary materials separator | James A. Kearley, Charles E. Roos, Galen L. Romine, Jimmy C. Curtis | 1997-06-17 |
| 5622471 | Method and apparatus for opening and emptying bags containing recyclable materials | Ronald A. Quarles | 1997-04-22 |
| 5555984 | Automated glass and plastic refuse sorter | Michael A. Kittel, Ronald A. Quarles | 1996-09-17 |
| 5518124 | Method and apparatus for the separation of materials using penetrating electromagnetic radiation | Michael A. Kittel, James R. Peatman | 1996-05-21 |
| 5419670 | Method and apparatus for opening and emptying bags containing recyclable materials | Ronald A. Quarles | 1995-05-30 |
| 5370234 | Rotary materials separator and method of separating materials | James A. Kearley, Charles E. Roos | 1994-12-06 |
| 5339962 | Method and apparatus for sorting materials using electromagnetic sensing | Michael A. Kittel, James R. Peatman | 1994-08-23 |
| 5260576 | Method and apparatus for the separation of materials using penetrating electromagnetic radiation | James R. Peatman | 1993-11-09 |
| 4718559 | Process for recovery of non-ferrous metallic concentrate from solid waste | Garry R. Kenny, Mark Eugene Shepard | 1988-01-12 |
| 4541530 | Recovery of metallic concentrate from solid waste | Garry R. Kenny, Mark Eugene Shepard | 1985-09-17 |
| 4533053 | Rotary drum magnetic separator | Garry R. Kenny, Charles E. Roos | 1985-08-06 |
| 4533054 | Rotary fuel homogenizer and use thereof | Garry R. Kenny, Charles E. Roos | 1985-08-06 |