Issued Patents 2003
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6631541 | Hammer piston handling apparatus | David L. Sipos | 2003-10-14 |
| 6595288 | Method and multi-purpose apparatus for dispensing and circulating fluid in wellbore casing | Samuel P. Hawkins, III, David L. Sipos, Keith T. Lutgring, Burney J. Latiolais, Jr. | 2003-07-22 |
| 6568479 | Horseshoe shaped elevator and method for using same | David L. Sipos | 2003-05-27 |
| 6557641 | Modular wellbore tubular handling system and method | David L. Sipos | 2003-05-06 |
| 6520709 | Variable length/capacity elevator links | Mark Stephen Sibille | 2003-02-18 |
| 6508312 | Flow control apparatus and method | Burney J. Latiolais, Jr., Braxton I. Moody, V, Keith T. Lutgring | 2003-01-21 |