Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11378568 | Cement analyzer measures gas migration and compressive strength | — | 2022-07-05 |
| 11300557 | Cement analyzer measures gas migration and gel strength | — | 2022-04-12 |
| 10845285 | Fast response fluid properties monitoring system | — | 2020-11-24 |
| 10684269 | Cement analyzer | — | 2020-06-16 |
| 10466161 | Defined shear rate corrosion tester | — | 2019-11-05 |
| 10416059 | High pressure high temperature spinning drop tensiometer | — | 2019-09-17 |
| 10215001 | High pressure high temperature drilling simulator | — | 2019-02-26 |
| 9194784 | High pressure, high temperature lubricity tester | Joseph Bi, Rebecca Bi | 2015-11-24 |
| 9157846 | Bob for testing rheology and overcoming the weissenberg effect | Joseph Bi, Rebecca Bi | 2015-10-13 |
| 8850874 | In-line viscometer | — | 2014-10-07 |
| 8813542 | High pressure vessel with movable pressurization piston | — | 2014-08-26 |
| 8443661 | High pressure and high temperature linear swell measurement method | — | 2013-05-21 |
| 8434355 | High pressure high temperature linear swell meter | — | 2013-05-07 |
| 8375771 | Viscometer for testing cement rheology | — | 2013-02-19 |
| 8156798 | High pressure high temperature fluid densitometer | — | 2012-04-17 |
| 7845212 | High pressure high temperature sagging tester | — | 2010-12-07 |
| 7412877 | High pressure viscometer with chamber preventing sample contamination | — | 2008-08-19 |
| 7287416 | Low maintenance high pressure viscometer | — | 2007-10-30 |
| 6951127 | Digital viscometer with non contact distance sensor | — | 2005-10-04 |
| 6938464 | Digital viscometer with frictionless bearing | — | 2005-09-06 |
| 6571609 | Digital viscometer with arm and force sensor to measure torque | — | 2003-06-03 |