Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11692736 | Air conditioner shut-off system and method to prevent drainage overflow | — | 2023-07-04 |
| 11320172 | Air conditioner shut-off system and method to prevent drainage overflow | — | 2022-05-03 |
| 7384548 | Manually controlled skimming of industrial oil contaminants | Richard J. Terrien | 2008-06-10 |
| 7223941 | Reduced-volume commercial space heating system and method for manufacturing same | Gail Sherman | 2007-05-29 |
| 7160473 | Manually controlled skimming of industrial oil contaminants | Richard J. Terrien | 2007-01-09 |
| 6827853 | Manually controlled skimming of industrial oil contaminants | Richard J. Terrien | 2004-12-07 |
| 6790370 | Manually controlled skimming of industrial oil contaminants | Richard J. Terrien | 2004-09-14 |
| 6638437 | Multi-directional flow gravity separator | Richard J. Terrien | 2003-10-28 |
| 6315131 | Multi-directional flow gravity Separator | Richard J. Terrien | 2001-11-13 |
| 6277287 | Self leveling suction skimming device | Richard J. Terrien | 2001-08-21 |
| 6183654 | Self leveling suction skimming device | Richard J. Terrien | 2001-02-06 |
| 6145542 | Water treatment apparatus for scale prevention | — | 2000-11-14 |