Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4964994 | Hydrocyclone separator | J. Robert Worrell, Grant A. Young | 1990-10-23 |
| 4948517 | System for preventing oil droplet size reduction | Grant A. Young | 1990-08-14 |
| 4927536 | Hydrocyclone separation system | J. Robert Worrell, Grant A. Young | 1990-05-22 |
| 4876016 | Method of controlling the separation efficiency of a hydrocyclone | Grant A. Young, Steven L. Andrews | 1989-10-24 |
| 4857197 | Liquid separator with tangential drive fluid introduction | Grant A. Young, Roy D. Lister, Steven L. Andrews | 1989-08-15 |