Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8863602 | Oil field pump unit hybrid gear reducer | Weidong Gao | 2014-10-21 |
| 8844397 | Oil field pump unit hybrid gear reducer | Weidong Gao | 2014-09-30 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8863602 | Oil field pump unit hybrid gear reducer | Weidong Gao | 2014-10-21 |
| 8844397 | Oil field pump unit hybrid gear reducer | Weidong Gao | 2014-09-30 |