Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10837302 | Blade track assembly, components, and methods | George F. Griffiths, Ted J. Freeman, William Westphal | 2020-11-17 |
| 9951640 | Structure and method for providing compliance and sealing between ceramic and metallic structures | William Westphal | 2018-04-24 |
| 9784115 | Blade track assembly, components, and methods | George F. Griffiths, Ted J. Freeman, William Westphal | 2017-10-10 |
| 9249350 | Bitumen anti-accretion additive | Simon John Michael Levey, Yonglin Ren | 2016-02-02 |
| 8709983 | Non-phosphorus-based gellant for hydrocarbon fluids | Simon John Michael Levey | 2014-04-29 |
| 7932216 | Non-phosphorus-based gellants for hydrocarbon fluids | Simon John Michael Levey | 2011-04-26 |
| 7915205 | Single fluid acidizing treatment | Darin OSWALD, Dan Skibinski, Nicole Sylvestre | 2011-03-29 |
| 7915202 | Clay control additive for wellbore fluids | Darin OSWALD, Michael D Daffin | 2011-03-29 |
| 7754661 | Recycling of oil-based drilling muds | Simon John Michael Levey | 2010-07-13 |
| 7740071 | Clay control additive for wellbore fluids | Darin OSWALD, Michael D Daffin | 2010-06-22 |
| 7500522 | Fluid with asphaltene control | Dan Skibinski | 2009-03-10 |
| 7219735 | Packer fluid | Dan Skibinski | 2007-05-22 |
| 4538387 | Drainage and insulating material for subterranean walls | Loren A. Barnett | 1985-09-03 |