Issued Patents All Time
Showing 25 most recent of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12252570 | Core-shell flow improver | Wayne R. Dreher, Stuart N. Milligan, Timothy L. Burden, William F. Harris, Ray L. Johnston +3 more | 2025-03-18 |
| 11028210 | Core-shell flow improver | Wayne R. Dreher, Stuart N. Milligan, Timothy L. Burden, William F. Harris, Ray L. Johnston +3 more | 2021-06-08 |
| 11019842 | Filtered cigarette incorporating a breakable capsule | Michael Francis Dube, Vernon Brent Barnes | 2021-06-01 |
| 10370502 | Disperse non-polyalphaolefin drag reducing polymers | Timothy L. Burden, Ray L. Johnston, William F. Harris, Wayne R. Dreher, Stuart N. Milligan | 2019-08-06 |
| 9951151 | Miniemulsion polymerization to prepare drag reducers | Zhiyi Bao | 2018-04-24 |
| 9783644 | Disperse non-polyalphaolefin drag reducing polymers | Timothy L. Burden, Ray L. Johnston, William F. Harris, Wayne R. Dreher, Stuart N. Milligan | 2017-10-10 |
| 9784414 | Drag reduction of asphaltenic crude oils | Zhiyi Bao, Stuart N. Milligan, Michael Olechnowicz, Ray L. Johnston, Timothy L. Burden +2 more | 2017-10-10 |
| D769921 | Display screen with graphical user interface | — | 2016-10-25 |
| D769283 | Display screen with graphical user interface | — | 2016-10-18 |
| D768678 | Display screen with graphical user interface | — | 2016-10-11 |
| D766954 | Display screen with graphical user interface | — | 2016-09-20 |
| D766294 | Display screen with graphical user interface | — | 2016-09-13 |
| D766295 | Display screen with graphical user interface | — | 2016-09-13 |
| 9234631 | Drag reducing polymers for low molecular weight liquids applications | Ray L. Johnston, William F. Harris | 2016-01-12 |
| 8486266 | Bacterial cultivation system for growth of substrate specific micro-organisms for use in industrial wastewater remediation | Michael Harvey Foster, Bronwyn Duos, Elizabeth Claire Guidotti | 2013-07-16 |
| 8450249 | Drag reduction of asphaltenic crude oils | Stuart N. Milligan, Ray L. Johnston, Timothy L. Burden, Wayne R. Dreher, William F. Harris | 2013-05-28 |
| 8450251 | Drag reduction of asphaltenic crude oils | Stuart N. Milligan, Ray L. Johnston, Timothy L. Burden, Wayne R. Dreher, William F. Harris | 2013-05-28 |
| 8450250 | Drag reduction of asphaltenic crude oils | Stuart N. Milligan, Ray L. Johnston, Timothy L. Burden, Wayne R. Dreher, William F. Harris | 2013-05-28 |
| 8431015 | Wellhead hydrocarbon upgrading using microwaves | Dwijen K. Banerjee | 2013-04-30 |
| 8426498 | Drag reduction of asphaltenic crude oils | Stuart N. Milligan, Ray L. Johnston, Timothy L. Burden, Wayne R. Dreher, William F. Harris | 2013-04-23 |
| 8282826 | Bacterial cultivation system for growth of substrate specific micro-organisms for use in industrial wastewater remediation | Michael Harvey Foster, Bronwyn Duos, Elizabeth Claire Guidotti | 2012-10-09 |
| 8124673 | Low-viscosity drag reducer | Timothy L. Burden, William F. Harris, Allan Browne | 2012-02-28 |
| 8052873 | Bacterial cultivation system for growth of substrate specific micro-organisms for use in industrial wastewater remediation | Michael Harvey Foster, Bronwyn Duos, Elizabeth Claire Guidotti | 2011-11-08 |
| 8022118 | Drag reduction of asphaltenic crude oils | Stuart N. Milligan, Ray L. Johnston, Timothy L. Burden, Wayne R. Dreher, William F. Harris | 2011-09-20 |
| 7984719 | Filtered cigarette incorporating a breakable capsule | Michael Francis Dube, Vernon Brent Barnes | 2011-07-26 |