Maa; Peter S
Patent Applications and Registrations
Patent applications and USPTO patent grants for Maa; Peter S.The latest application filed is for "direct coal liquefaction process".
- Maa; Peter S - Sugar Land TX
- Maa; Peter S. - Sugarland TX US
- Maa; Peter S. - Sugar Land TX
- Maa; Peter S. - Baton Rouge LA
- Maa; Peter S. - Baytown TX
| Patent | Date |
|---|---|
| Direct coal liquefaction process and system Grant 9,994,778 - Bauman , et al. June 12, 2 | 2018-06-12 |
| Direct Coal Liquefaction Process App 20170321125 - Bauman; Richard F. ; et al. | 2017-11-09 |
| Direct Coal Liquefaction Process And System App 20160340592 - Bauman; Richard F ; et al. | 2016-11-24 |
| Direct Coal Liquefaction Process App 20150191657 - Bauman; Richard F. ; et al. | 2015-07-09 |
| Process for upgrading residua Grant 7,419,585 - Maa , et al. September 2, 2 | 2008-09-02 |
| Method for determining the source of fouling in thermal conversion process units Grant 7,160,437 - Brown , et al. January 9, 2 | 2007-01-09 |
| Method for determining the source of fouling in thermal conversion process units App 20050040076 - Brown, Leo D. ; et al. | 2005-02-24 |
| Process for upgrading residua App 20030159973 - Maa, Peter S. ; et al. | 2003-08-28 |
| Process for upgrading residua App 20020038778 - Maa, Peter S. ; et al. | 2002-04-04 |
| Conversion of the organic component from tar sands to lower boiling products Grant 5,795,464 - Sankey , et al. August 18, 1 | 1998-08-18 |
| Catalytic hydropyrolysis of carbonaceous material with char recycle Grant 5,096,569 - Maa , et al. March 17, 1 | 1992-03-17 |
| Hydropyrolysis-gasification of carbonaceous material Grant 5,055,181 - Maa , et al. October 8, 1 | 1991-10-08 |
| Catalyst composition and process of making Grant 4,831,003 - Lang , et al. May 16, 1 | 1989-05-16 |
| Liquefaction process Grant 4,485,008 - Maa , et al. November 27, 1 | 1984-11-27 |
| Multiple-stage hydrogen-donor coal liquefaction Grant 4,338,182 - Vernon , et al. July 6, 1 | 1982-07-06 |
| Multiple-stage hydrogen-donor coal liquefaction process Grant 4,189,371 - Maa , et al. February 19, 1 | 1980-02-19 |
| Coal liquefaction process Grant 4,123,347 - Maa October 31, 1 | 1978-10-31 |
| Hydrogen donor solvent coal liquefaction process Grant 4,022,680 - Maa May 10, 1 | 1977-05-10 |
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