Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11319171 | Car dumper dust collection method and apparatus | Michael R. Harris, Dennis Hall | 2022-05-03 |
| 10759614 | Car dumper dust collection method and apparatus | Michael R. Harris, Dennis Hall | 2020-09-01 |
| 10035669 | Car dumper dust collection method and apparatus | Michael R. Harris, Dennis Hall | 2018-07-31 |
| 9394123 | Car dumper dust collection method and apparatus | Michael R. Harris, Dennis Hall | 2016-07-19 |
| 8734080 | Car dumper dust collection method and apparatus | Michael R. Harris, Dennis Hall | 2014-05-27 |
| 8226738 | Wire filter cage locking mechanism | Michael R. Harris, Howard Pipkorn, John I. Johnson | 2012-07-24 |
| 7988401 | Car dumper dust collection method and apparatus | Dennis Hall, Michael R. Harris | 2011-08-02 |
| 7811041 | Car dumper dust collection method and apparatus | Dennis Hall, Michael R. Harris | 2010-10-12 |
| 7371267 | Wire filter cage | Howard Pipkorn | 2008-05-13 |
| 7322785 | Car dumper dust collection method and apparatus | Dennis Hall, Michael R. Harris | 2008-01-29 |
| 6960054 | Car dumper dust collection method and apparatus | Dennis Hall, Michael R. Harris | 2005-11-01 |
| 6905529 | Wire Filter cage | Howard Pipkorn | 2005-06-14 |
| 6790250 | Wire filter cage | Howard Pipkorn | 2004-09-14 |
| 6626970 | Wire filter cage | Howard Pipkorn | 2003-09-30 |