Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7712530 | Pre-stressed annular sealant and method of creating a durable seal in a well bore annulus | Larry Watters, Fred Sabins, Paul L. SONNIER | 2010-05-11 |
| 5570743 | Continuous multi-component slurrying process at oil or gas well | Paul O. Padgett, Stephen F. Crain, Wayne A. Handke, Jerry L. Logan, Calvin L. Stegemoeller +2 more | 1996-11-05 |
| 5522459 | Continuous multi-component slurrying process at oil or gas well | Paul O. Padgett, Stephen F. Crain, Wayne A. Handke, Jerry L. Logan, Calvin L. Stegemoeller +2 more | 1996-06-04 |
| 5454867 | Cement agglomeration | Lance E. Brothers, J. Erlan Longendelpher, Donald W. Lindsey, Frank L. Sands | 1995-10-03 |
| 5046855 | Mixing apparatus | Thomas E. Allen | 1991-09-10 |
| 4830794 | Dry sand foam generator | James L. Stromberg | 1989-05-16 |
| 4780243 | Dry sand foam generator | James L. Stromberg | 1988-10-25 |