Issued Patents All Time
Showing 1–25 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10828610 | Mixing assembly | Yi Liu, Jonathan Carter BOUL, Merlin Thomas COLLINS, JR. | 2020-11-10 |
| 10329908 | Downhole formation testing and sampling apparatus | Philip Edmund Fox, Michael E. Shade, Mark A. Proett, Christopher Michael Jones | 2019-06-25 |
| 9816628 | Check valve | Shreyas Parameshwaran | 2017-11-14 |
| 9752433 | Focused probe apparatus and method therefor | Mark A. Proett, Anthony Herman Van Zuilekom | 2017-09-05 |
| 9284837 | Focused probe apparatus and method therefor | Mark A. Proett, Anthony Herman Van Zuilekom | 2016-03-15 |
| 9234835 | Apparatus and method for analysis of a fluid sample | Michael T. Pelletier, Gregory Paul Perez, Christopher Michael Jones | 2016-01-12 |
| 8522870 | Formation testing and sampling apparatus and methods | Philip Edmund Fox, Michael E. Shade, Mark A. Proett | 2013-09-03 |
| 8302689 | Apparatus and method for manipulating fluid during drilling or pumping operations | Anthony Herman Van Zuilekom | 2012-11-06 |
| 8235106 | Formation testing and sampling apparatus and methods | Philip Edmund Fox, Michael E. Shade, Mark A. Proett | 2012-08-07 |
| 7966875 | Methods and apparatus for measuring formation properties | Mark A. Proett, James M. Fogal, James H. Dudley, Laban M. Marsh, David Welshans +5 more | 2011-06-28 |
| 7603897 | Downhole probe assembly | Mark A. Sitka, Malcolm Douglas McGregor, Glenn C. Gray, John Hardin, Christopher A. Maranuk +2 more | 2009-10-20 |
| 7395879 | MWD formation tester | Pedro R. Segura, Mark A. Sitka, Preston Weintraub, Tony Vu, John Hardin +3 more | 2008-07-08 |
| 7261168 | Methods and apparatus for using formation property data | Malcolm Douglas McGregor, Glenn C. Gray, James Edward Stone, Svetozar Simeonov, Mark A. Proett +4 more | 2007-08-28 |
| 7260985 | Formation tester tool assembly and methods of use | James Edward Stone, Malcolm Douglas McGregor, Christopher A. Maranuk, Kristopher V. Sherrill | 2007-08-28 |
| 7216533 | Methods for using a formation tester | Malcolm Douglas McGregor, Mark A. Proett, James M. Fogal, David Welshans, Glenn C. Gray +4 more | 2007-05-15 |
| 7204309 | MWD formation tester | Pedro R. Segura, Mark A. Sitka, Preston Weintraub, Tony Vu, John Hardin +3 more | 2007-04-17 |
| 7191672 | Single phase sampling apparatus and method | Paul D. Ringgenberg | 2007-03-20 |
| 7155990 | Method and apparatus for determining a downhole fluid sample volume | — | 2007-01-02 |
| 7086463 | Methods of downhole testing subterranean formations and associated apparatus therefor | Paul D. Ringgenberg, Mark A. Proett, Michael T. Pelletier, Michael L. Hinz, Harold W. Nivens +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, Harold W. Nivens +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, Harold W. Nivens +1 more | 2006-04-04 |
| 7021405 | Determining gradients using a multi-probed formation tester | Mark A. Proett, David Earl Ball | 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, Harold W. Nivens +1 more | 2004-05-04 |
| 6527052 | Methods of downhole testing subterranean formations and associated apparatus therefor | Paul D. Ringgenberg, Mark A. Proett, Michael T. Pelletier, Michael L. Hinz, Harold W. Nivens +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, Harold W. Nivens +1 more | 2002-09-10 |