Issued Patents All Time
Showing 1–25 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11123772 | Concentrating rare earth elements from coal waste | Charles E. Roos, Charles D. Roos, Ricky Q. Honaker, Aaron Noble | 2021-09-21 |
| 9234838 | Method to improve detection of thin walled polyethylene terephthalate containers for recycling including those containing liquids | — | 2016-01-12 |
| 9227229 | Method to improve detection of thin walled polyethylene terephthalate containers for recycling including those containing liquids | — | 2016-01-05 |
| 9126236 | Methods for sorting materials | Charles E. Roos | 2015-09-08 |
| 9114433 | Multi-fractional coal sorter and method of use thereof | Charles E. Roos, Charles D. Roos | 2015-08-25 |
| 8861675 | Method and apparatus for sorting materials according to relative composition | Charles E. Roos, David B. Spencer, R. Lynn Conley | 2014-10-14 |
| 8853584 | Methods for sorting materials | Charles E. Roos | 2014-10-07 |
| 8855809 | Material sorting technology | David B. Spencer, Jeffrey J. Webster, Aldo M. Reti, Richard E. Hill, R. Lynn Conley | 2014-10-07 |
| 8692148 | Method and apparatus for improving performance in container sorting | R. Lynn Conley, Robert H. Parrish | 2014-04-08 |
| 8610019 | Methods for sorting materials | Charles E. Roos | 2013-12-17 |
| 8553838 | High speed materials sorting using X-ray fluorescence | Robert H. Parrish, David B. Spencer, Charles E. Roos | 2013-10-08 |
| 8476545 | Sorting pieces of material based on photonic emissions resulting from multiple sources of stimuli | David B. Spencer, R. Lynn Conley, Richard E. Hill, Robert H. Parrish, Charles E. Roos | 2013-07-02 |
| 8144831 | Method and apparatus for sorting materials according to relative composition | Charles E. Roos, David B. Spencer, R. Lynn Conley | 2012-03-27 |
| 7978814 | High speed materials sorting using X-ray fluorescence | Robert H. Parrish, David B. Spencer, Charles E. Roos | 2011-07-12 |
| 7848484 | Method and apparatus for sorting materials according to relative composition | Charles E. Roos, David B. Spencer, R. Lynn Conley | 2010-12-07 |
| 7763820 | Sorting pieces of material based on photonic emissions resulting from multiple sources of stimuli | David B. Spencer, R. Lynn Conley, Richard E. Hill, Robert H. Parrish, Charles E. Roos | 2010-07-27 |
| 7616733 | High speed materials sorting using x-ray fluorescence | Robert H. Parrish, David B. Spencer, Charles E. Roos | 2009-11-10 |
| 7564943 | Method and apparatus for sorting materials according to relative composition | Charles E. Roos, David B. Spencer, R. Lynn Conley | 2009-07-21 |
| 7558370 | Method and apparatus for improving identification and control of articles passing through a scanning system | Richard E. Hill | 2009-07-07 |
| RE40394 | Teleoperated robotic sorting system | Charles E. Roos, Robert H. Parrish, James Russell | 2008-06-24 |
| 7286634 | Method and apparatus for improving baggage screening examination | Richard E. Hill, Charles E. Roos | 2007-10-23 |
| 7244941 | Computer assisted bag screening system | Charles E. Roos | 2007-07-17 |
| 7099433 | Method and apparatus for sorting materials according to relative composition | Charles E. Roos, David B. Spencer | 2006-08-29 |
| 7012256 | Computer assisted bag screening system | Charles E. Roos | 2006-03-14 |
| 6888917 | High speed materials sorting using x-ray fluorescence | Robert H. Parrish, David B. Spencer, Charles E. Roos | 2005-05-03 |