Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8529756 | Separating sand from fluids produced by a well | Joel R. Lehman | 2013-09-10 |
| 8236182 | Separating sand from fluids produced by a well | Joel R. Lehman | 2012-08-07 |
| 8025806 | Separating sand from fluids produced by a well | Joel R. Lehman | 2011-09-27 |
| 7731037 | Separating sand from fluids produced by a well | Joel R. Lehman | 2010-06-08 |