Issued Patents All Time
Showing 25 most recent of 65 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10724356 | Centrifugal force downhole gas separator | — | 2020-07-28 |
| 10570725 | Profile measurement for underground hydrocarbon storage caverns | Orvel L. Rowlan | 2020-02-25 |
| 10323971 | Method for determining the profile of an underground hydrocarbon storage cavern using injected gas and reflected acoustic signatures | — | 2019-06-18 |
| 10060247 | Hydrocarbon well performance monitoring system | — | 2018-08-28 |
| 9975701 | Method for detecting leakage in an underground hydrocarbon storage cavern | — | 2018-05-22 |
| 9896927 | Hydrocarbon well performance monitoring system | — | 2018-02-20 |
| 9790779 | Gas separator with inlet tail pipe | — | 2017-10-17 |
| 9669997 | Method for determining the profile of an underground hydrocarbon storage cavern | — | 2017-06-06 |
| 9587481 | Hydrocarbon well performance monitoring system | — | 2017-03-07 |
| 9574435 | Hydrocarbon well performance monitoring system | — | 2017-02-21 |
| 9574442 | Hydrocarbon well performance monitoring system | — | 2017-02-21 |
| 9366127 | Gas separator with integral pump seating nipple | — | 2016-06-14 |
| 9080438 | Wireless well fluid extraction monitoring system | Dieter Becker, Daraius Hathiram | 2015-07-14 |
| 9057027 | Process for cracking synthetic crude oil-containing feedstock | Paul F. Keusenkothen, James Earl Graham, Chad David Reimann | 2015-06-16 |
| 9022106 | Downhole diverter gas separator | — | 2015-05-05 |
| 8709233 | Disposition of steam cracked tar | Paul F. Keusenkothen | 2014-04-29 |
| 8303803 | Pyrolysis reactor conversion of hydrocarbon feedstocks into higher value hydrocarbons | Paul F. Keusenkothen, Frank Hershkowitz | 2012-11-06 |
| 8277639 | Steam cracking of high TAN crudes | John S. Buchanan, Paul F. Keusenkothen, Stephen H. Brown, Julian Wolfenbarger, James Earl Graham | 2012-10-02 |
| 8197668 | Process and apparatus for upgrading steam cracker tar using hydrogen donor compounds | John D. Y. Ou, Glenn A. Heeter, Paul F. Keusenkothen | 2012-06-12 |
| 8173854 | Steam cracking of partially desalted hydrocarbon feedstocks | Arthur R. DiNicolantonio, Richard C. Stell | 2012-05-08 |
| 8119076 | Pyrolysis reactor conversion of hydrocarbon feedstocks into higher value hydrocarbons | Paul F. Keusenkothen, Frank Hershkowitz | 2012-02-21 |
| 8118996 | Apparatus and process for cracking hydrocarbonaceous feed utilizing a pre-quenching oil containing crackable components | Richard C. Stell, Megan Renstrom Bleckinger, Arthur R. Di Nicolantonio | 2012-02-21 |
| 8083930 | VPS tar separation | Paul F. Keusenkothen, Alok Mani Srivastava, James Earl Graham | 2011-12-27 |
| 8083931 | Upgrading of tar using POX/coker | Paul F. Keusenkothen, Alok Mani Srivastava, James Earl Graham | 2011-12-27 |
| 8057640 | Deasphalting tar using stripping tower | Subramanian Annamalai, Paul F. Keusenkothen | 2011-11-15 |