Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8118088 | Shear activated safety valve system | Adam D. Wright, Vincent P. Zeller, Roger L. Schultz | 2012-02-21 |
| 7926575 | Hydraulic lockout device for pressure controlled well tools | Paul D. Ringgenberg | 2011-04-19 |
| 7624792 | Shear activated safety valve system | Adam D. Wright, Vincent P. Zeller, Roger L. Schultz | 2009-12-01 |
| 7301472 | Big bore transceiver | Donald G. Kyle, Adam D. Wright, Kenny L. McConnell, Vimal V. Shah, Eric H. Van Empelen | 2007-11-27 |
| 7240734 | System and method for fail-safe disconnect from a subsea well | Curtis E. Wendler | 2007-07-10 |
| 7234527 | System and method for fail-safe disconnect from a subsea well | Curtis E. Wendler | 2007-06-26 |
| 7086463 | Methods of downhole testing subterranean formations and associated apparatus therefor | Paul D. Ringgenberg, Mark A. Proett, Michael T. Pelletier, Michael L. Hinz, Gregory N. Gilbert +1 more | 2006-08-08 |
| 7073579 | Methods of downhole testing subterranean formations and associated apparatus therefor | Paul D. Ringgenberg, Mark A. Proett, Michael T. Pelletier, Michael L. Hinz, Gregory N. Gilbert +1 more | 2006-07-11 |
| 7021375 | Methods of downhole testing subterranean formations and associated apparatus therefor | Paul D. Ringgenberg, Mark A. Proett, Michael T. Pelletier, Michael L. Hinz, Gregory N. Gilbert +1 more | 2006-04-04 |
| 6729398 | Methods of downhole testing subterranean formations and associated apparatus therefor | Paul D. Ringgenberg, Mark A. Proett, Michael T. Pelletier, Michael L. Hinz, Gregory N. Gilbert +1 more | 2004-05-04 |
| 6622554 | Open hole formation testing | Kevin R. Manke, Samuel Bianco, Charles M. MacPhail, Ricardo Maldonado | 2003-09-23 |
| 6527052 | Methods of downhole testing subterranean formations and associated apparatus therefor | Paul D. Ringgenberg, Mark A. Proett, Michael T. Pelletier, Michael L. Hinz, Gregory N. Gilbert +1 more | 2003-03-04 |
| 6446719 | Methods of downhole testing subterranean formations and associated apparatus therefor | Paul D. Ringgenberg, Mark A. Proett, Michael T. Pelletier, Michael L. Hinz, Gregory N. Gilbert +1 more | 2002-09-10 |
| 6446720 | Methods of downhole testing subterranean formations and associated apparatus therefor | Paul D. Ringgenberg, Mark A. Proett, Michael T. Pelletier, Michael L. Hinz, Gregory N. Gilbert +1 more | 2002-09-10 |
| 6325146 | Methods of downhole testing subterranean formations and associated apparatus therefor | Paul D. Ringgenberg, Mark A. Proett, Michael T. Pelletier, Michael L. Hinz, Gregory N. Gilbert +1 more | 2001-12-04 |
| 5735350 | Methods and systems for subterranean multilateral well drilling and completion | James R. Longbottom, Don C. Cox, John C. Gano, William R. Welch, Pat M. White +4 more | 1998-04-07 |