Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8899940 | Suction stabilizer for pump assembly | Edward Leugemors, Hubertus V. Thomeer | 2014-12-02 |
| 8874383 | Pump assembly | Philippe Gambier, Rod Shampine, Joe Hubenschmidt, Hubertus V. Thomeer | 2014-10-28 |
| 8844615 | Oilfield material delivery mechanism | Rod Shampine, Joe Hubenschmidt, Philippe Gambier, Brian Ochoa, Thomas Allan +4 more | 2014-09-30 |
| 8579599 | System, apparatus, and method for rapid pump displacement configuration | Edward Leugemors | 2013-11-12 |
| 8506262 | Methods of use for a positive displacement pump having an externally assisted valve | Edward Leugemors, Toshimichi Wago, Philippe Gambier, Jean-Louis Pessin, Aparna Raman | 2013-08-13 |
| 8366408 | Externally assisted valve for a positive displacement pump | Toshimichi Wago, Philippe Gambier, Jean-Louis Pessin | 2013-02-05 |
| 8220777 | Compliant rotary mechanism and method | Peter J. Hesketh | 2012-07-17 |
| 8127844 | Method for oilfield material delivery | Rod Shampine, Jean-Louis Pessin, Philippe Gambier, Joe Hubenschmidt, John Lassek | 2012-03-06 |
| 7481337 | Apparatus for fluid storage and delivery at a substantially constant pressure | Chi-Fu Wu, Peter J. Hesketh | 2009-01-27 |