Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4410041 | Process for gas-lifting liquid from a well by injecting liquid into the well | Edwin A. Richardson | 1983-10-18 |
| 4372385 | Method of pretreating an underground formation for silicon polyhalide consolidation | Edwin A. Richardson, Marinus van Zanten | 1983-02-08 |
| 4291766 | Process for consolidating water-wet sands with an epoxy resin-forming solution | Jacobus J. M. Zuiderwijk, Adrianus M. P. M. Hagelaars | 1981-09-29 |
| 4241791 | Method for diverting a gaseous sand-consolidating fluid | Edwin A. Richardson | 1980-12-30 |