Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10228315 | Method and apparatus for measuring particle size distribution in drilling fluid | Egil Ronaes | 2019-03-12 |
| 9140075 | Mechanically modified filter cake | — | 2015-09-22 |
| 9007580 | Method and apparatus for measuring particle size distribution in drilling fluid | Egil Ronaes | 2015-04-14 |
| 8427640 | Method and apparatus for measuring particle size distribution in drilling fluid | Egil Ronaes | 2013-04-23 |
| 8186432 | Well logging fluid for ultrasonic cement bond logging | — | 2012-05-29 |
| 8156791 | Apparatus and method for testing reservoir drilling fluids for drilling unconsolidated tar sands | — | 2012-04-17 |
| 8066870 | Separation of tar from sand | Alex Stoian, Lewis J. Dutel, Cory C. Melancon, Richard Bingham, Paul Newman | 2011-11-29 |
| 8017563 | Diverting compositions, fluid loss control pills, and breakers thereof | Bethicia B. Prasek, Robert L. Horton | 2011-09-13 |
| 7753990 | Aerated degasser | Eric Hand | 2010-07-13 |
| 7727316 | Hydrogen sulfide treatment system | Frank Mueller, Eric Hand | 2010-06-01 |
| 7716968 | Apparatus and method for testing reservoir drilling fluids for drilling unconsolidated tar sands | — | 2010-05-18 |
| 7704299 | Methods of hydrogen sulfide treatment | Frank Mueller, Eric Hand | 2010-04-27 |
| 7691259 | Separation of tar from sand | Alex Stoian, Lewis J. Dutel, Cory C. Melancon, Richard Bingham, Paul Newman | 2010-04-06 |
| 6818594 | Method for the triggered release of polymer-degrading agents for oil field use | Monica Norman, David Antony Ballard, Ping Jiang, Kenneth Charles Symes, Kishor Kumar Mistry | 2004-11-16 |
| 6499546 | Buffered well fluids | Taylor Green | 2002-12-31 |
| 6260666 | Wheel chock device | — | 2001-07-17 |
| 5097937 | Apparatus and method for raising can handles | — | 1992-03-24 |
| 4798648 | Article feeding devices for labellers | — | 1989-01-17 |
| 4793891 | Application of labels to articles | Brian Nicholson | 1988-12-27 |
| 4786046 | Handling of sheet materials | Brian Nicholson | 1988-11-22 |