Issued Patents All Time
Showing 26–50 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8506267 | Pump assembly | Laurent Coquilleau, Edward Leugemors, Jean-Louis Pessin, Rod Shampine | 2013-08-13 |
| 8499843 | System and method to seal using a swellable material | Dinesh R. Patel, Y. Gill Hillsman, III, Herve Ohmer, Stephane Hiron, Jonathan K. C. Whitehead +9 more | 2013-08-06 |
| 8474523 | Method and apparatus for treatment of a perforated casing | Christophe Rayssiguier, Simon James | 2013-07-02 |
| 8434399 | Oilfield equipment composed of a base material reinforced with a composite material | Jean-Louis Pessin, Garud Sridhar, Aparna Raman | 2013-05-07 |
| 8366408 | Externally assisted valve for a positive displacement pump | Toshimichi Wago, Jean-Louis Pessin, Rajesh Luharuka | 2013-02-05 |
| 8359967 | Fluid end reinforced with a composite material | Jean-Louis Pessin | 2013-01-29 |
| 8336631 | Split stream oilfield pumping systems | Rod Shampine, Paul W. Dwyer, Ronnie Stover, Mike Lloyd, Jean-Louis Pessin +5 more | 2012-12-25 |
| 8327937 | Equipment for remote launching of cementing plugs | Greg Giem, Chris Fitzgerald | 2012-12-11 |
| 8317498 | Valve-seat interface architecture | Toshimichi Wago, Jean-Louis Pessin | 2012-11-27 |
| 8312921 | Method and apparatus for selective treatment of a perforated casing | Simon James, Christophe Rayssiguier | 2012-11-20 |
| 8127844 | Method for oilfield material delivery | Rajesh Luharuka, Rod Shampine, Jean-Louis Pessin, Joe Hubenschmidt, John Lassek | 2012-03-06 |
| 8091641 | Method and apparatus to cement a perforated casing | Simon James, Christophe Rayssiguier | 2012-01-10 |
| 8069922 | Multiple activation-device launcher for a cementing head | Greg Giem, Joel Rondeau, Chris Fitzgerald | 2011-12-06 |
| 8056635 | Split stream oilfield pumping systems | Rod Shampine, Paul W. Dwyer, Ronnie Stover, Mike Lloyd, Jean-Louis Pessin +5 more | 2011-11-15 |
| 7845413 | Method of pumping an oilfield fluid and split stream oilfield pumping systems | Rod Shampine, Paul W. Dwyer, Ronnie Stover, Mike Lloyd, Jean-Louis Pessin +5 more | 2010-12-07 |
| 7789148 | Method and apparatus for consolidating a wellbore | Christophe Rayssiguier, Simon James, Jean-Louis Saltel | 2010-09-07 |
| 7665537 | System and method to seal using a swellable material | Dinesh R. Patel, Y. Gil Hilsman, III, Herve Ohmer, Stephane Hiron, Jonathan K. C. Whitehead +9 more | 2010-02-23 |
| 7591321 | Zonal isolation tools and methods of use | John R. Whitsitt, Carlos Araque, David Milton Eslinger, Dinesh R. Patel, Chad Hardwick +5 more | 2009-09-22 |
| 7562712 | Setting tool for hydraulically actuated devices | Brian Cho, John R. Whitsitt, Arin Basmajian, Jose F. Garcia, Youel Hilsman | 2009-07-21 |
| 7458420 | Downhole measurement system and method | Emmanuel Rioufol, Brian Cho, Mark W. Brockman | 2008-12-02 |
| 7387157 | Dynamic inflatable sealing device | Jose F. Garcia, John R. Whitsitt | 2008-06-17 |
| 7380597 | Deployment of underground sensors | John Edwards, Vincent Tourillon, Christian Chouzenoux, Emmanuel Rioufol | 2008-06-03 |
| 7353869 | System and method for utilizing a skin sensor in a downhole application | Rodney J. Wetzel, Randolph J. Sheffield, Rashmi Bhavsar | 2008-04-08 |
| 7347274 | Annular barrier tool | Dinesh R. Patel, Jose F. Garcia | 2008-03-25 |
| 7273107 | Valve within a control line | Stephane Hiron, Rodney J. Wetzel | 2007-09-25 |