Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12300397 | Energy production devices and associated components, and related heat transfer devices and methods | Yasir Arafat, Carl E. Baily, Douglas C. Crawford, Carlo Parisi, Allen Peterson | 2025-05-13 |
| 8333230 | Casting methods | Kenneth C. Marsden, Mitchell K. Meyer, Randall S. Fielding, Billy W. Wolfensberger | 2012-12-18 |
| 7431348 | Subsurface drill string | William L. Casper, Don Clark, Rodney Mathewson, Craig A. Seymour | 2008-10-07 |
| 7178391 | Insertion tube methods and apparatus | William L. Casper, Rodney Mathewson, Craig A. Seymour, Don Clark | 2007-02-20 |
| 6976386 | Tensiometer methods | Joel M. Hubbell, James B. Sisson, William L. Casper | 2005-12-20 |
| 6772621 | Tensiometer methods and apparatus | Joel M. Hubbell, James B. Sisson, William L. Casper | 2004-08-10 |