Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10081110 | Self-aligning pipe gripping assembly and method of making and using the same | Neil Edward West, Lawrence E. Wells | 2018-09-25 |
| 9452535 | Self-aligning pipe gripping assembly and method of making and using the same | Neil Edward West, Lawrence E. Wells | 2016-09-27 |
| 8752653 | Dual ball upper internal blow out preventer valve | Padmasiri Daya Seneviratne, Lawrence E. Wells, Arthur William Braman, JR. | 2014-06-17 |
| 7748445 | Top drive with shaft seal isolation | Lawrence E. Wells, Darrin L. Yenzer | 2010-07-06 |
| 7748473 | Top drives with shaft multi-seal | Lawrence E. Wells, Cliff Swiontek, Svein Stubstad, Howard Ervin, James D. Brugman +1 more | 2010-07-06 |
| 7401664 | Top drive systems | Lawrence E. Wells, Cliff Swiontek, Svein Stubstad | 2008-07-22 |
| 7313986 | Tubular-drill bit connect/disconnect apparatus | Neil Edward West | 2008-01-01 |
| 7188547 | Tubular connect/disconnect apparatus | Neil Edward West | 2007-03-13 |
| 7165619 | Subsea intervention system, method and components thereof | John E. Goode, Ivan Iankov, David W. Martin, Andrew Michel, Ronald W. Yater | 2007-01-23 |
| 7062991 | Tubular connect/disconnect apparatus | Neil Edward West | 2006-06-20 |
| 5451129 | Pipe transfer system | George I. Boyadjieff, James D. Brugman | 1995-09-19 |
| 4478111 | Suspension of adjustable pipe spinner | Lawrence E. Wells, Boris A. Kamenster, Jerry A. Gill | 1984-10-23 |