Issued Patents All Time
Showing 26–49 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8226816 | Method of producing synthetic pitch | Elliot B. Kennel, Peter G. Stansberry, John W. Zondlo | 2012-07-24 |
| 7753969 | Method of converting animal waste into a multi-phase fuel | Laura Shannon Eddy | 2010-07-13 |
| 7553470 | Method of controlling swelling and shrinkage during synthesis of coke | Chong Chen | 2009-06-30 |
| 7473285 | Method of converting agricultural waste to liquid fuel cell and associated apparatus | Richard W. Russell | 2009-01-06 |
| 6910701 | Wheelchair propulsive mechanism | Thomas P. Long, Wayne George Scott | 2005-06-28 |
| 6797251 | Method of making carbon foam at low pressure | Barbara Lynn Bennett | 2004-09-28 |
| 6607651 | Process and system for treating the discharge stream from an ion exchanger | — | 2003-08-19 |
| 6544491 | Methods of making a carbon foam | Janusz Wladyslaw Plucinski, Aaron Yocum | 2003-04-08 |
| 6506354 | Method of making a carbon foam material and resultant product | Janusz Wladyslaw Plucinski, Aaron Yocum | 2003-01-14 |
| 6346226 | Method of making a carbon foam material and resultant product | Peter G. Stansberry, John W. Zondlo | 2002-02-12 |
| 6241957 | Method of making a carbon foam material and resultant product | Peter G. Stansberry, John W. Zondlo | 2001-06-05 |
| 6183854 | Method of making a reinforced carbon foam material and related product | Aaron Yocum, Januz Plucinski | 2001-02-06 |
| 5955375 | Production of coal derivation products utilizing NMP-type solvent extraction | John W. Zondlo, Peter G. Stansberry | 1999-09-21 |
| 5888469 | Method of making a carbon foam material and resultant product | Peter G. Stansberry, John W. Zondlo | 1999-03-30 |
| 5705139 | Method of producing high quality, high purity, isotropic graphite from coal | John W. Zondlo, Peter G. Stansberry | 1998-01-06 |
| 5419572 | Reciprocating bicycle drive | David R. Walton | 1995-05-30 |
| 5046459 | Oscillatory motion apparatus | James E. Smith | 1991-09-10 |
| 4682569 | Oscillatory motion apparatus | James E. Smith | 1987-07-28 |
| 4641611 | Oscillatory motion apparatus | James E. Smith | 1987-02-10 |
| 4586660 | Process for separating anthracite coal from impurities | David Stiller | 1986-05-06 |
| 4561948 | Electrochemical neutralization of acid electrolyte | — | 1985-12-31 |
| 4469583 | Extraction of fossil fuel with guanadine extracting agent | George D. Case, Paul J. Bekowies, Anthony G. Panson | 1984-09-04 |
| 4396491 | Solvent extraction of oil shale or tar sands | John T. Sears, Richard W. Hammack | 1983-08-02 |
| 4272356 | Coal extraction process | John T. Sears, Richard W. Hammack | 1981-06-09 |