Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10794892 | Multi-purpose tube for oil well cement testing | Kevin C. Madsen, Richard F. Lukay | 2020-10-06 |
| 10656064 | Quantifying force management system for pressurized fluid density balance | John D. Norwood, Kevin C. Madsen, Adam G. Olson | 2020-05-19 |
| 10203318 | Multi-purpose tube for oil well cement testing | Kevin C. Madsen, Richard F. Lukay | 2019-02-12 |
| 10053953 | System, apparatus and methods for blending cement | — | 2018-08-21 |
| 9429558 | Multi-function testing apparatus for cement and methods of using the same | Robert Martin | 2016-08-30 |
| 9228993 | Method of measuring shear bond strength of cement | Joseph Michael Shine, Jr., Robert Martin, Keith Lant, Charles C. Buford, Jr. | 2016-01-05 |
| 7494544 | Polymer shell encapsulated gas as a cement expansion additive | — | 2009-02-24 |
| 7191663 | Testing apparatus and method of deriving Young's modulus from tensile stress/strain relationships | Murray Rogers, Thomas Heinold, Robert Dillenbeck | 2007-03-20 |
| 6918292 | Cement expansion/contraction test method | W. Scott Bray | 2005-07-19 |
| 6817238 | Cement expansion/contraction test apparatus | W. Scott Bray | 2004-11-16 |
| 6626243 | Methods and compositions for use in cementing in cold environments | — | 2003-09-30 |