Issued Patents 2011
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8061418 | Method of running a pipe string having an outer diameter transition | Donald E. Mosing, John Erick Stelly | 2011-11-22 |
| 8051909 | Method and apparatus for positioning the proximal end of a tubular string above a spider | Robert L. Tribodeaux, Jr., Donald E. Mosing, Vernon Bouligny, Hans-Weddo Schmidt, Richard Wiggins | 2011-11-08 |
| 8002027 | Method of running a pipe string having an outer diameter transition | Donald E. Mosing, John Erick Stelly | 2011-08-23 |
| 7997333 | Segmented bottom guide for string elevator assembly | Donald E. Mosing | 2011-08-16 |
| 7992634 | Adjustable pipe guide for use with an elevator and/or a spider | Donald E. Mosing, John Erick Stelly | 2011-08-09 |