Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8800396 | Pipeline internal field joint cleaning, coating, and inspection robot | Russell Langley, James A. Huggins, John D. Carter, Keith R. Roberts, Darrell L. Davis +4 more | 2014-08-12 |
| 8633713 | Internal pipe coating inspection robot | Russell Langley, James A. Huggins, John D. Carter, Keith R. Roberts, Darrell L. Davis +4 more | 2014-01-21 |
| 7077020 | Internal field joint inspection robot | Russell Langley, Jarod D. Carmichael, Charles F. Haworth, John D. Carter, James A. Huggins +1 more | 2006-07-18 |
| 5186755 | Girth weld heating and coating system | Ronald E. Carlson, Jr. | 1993-02-16 |
| 5071672 | Girth weld heating and coating method | Ronald E. Carlson, Jr. | 1991-12-10 |