Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10253264 | Method of producing needle coke for low CTE graphite electrodes | Douglas J. Miller, Irwin C. Lewis, Richard T. Lewis | 2019-04-09 |
| 10011492 | Carbon products derived from lignin/carbon residue | Orest L. Adrianowycz, Bassam Alnasleh, Omer Gul, Andrew Adam Hausner, Robert E. Miller | 2018-07-03 |
| 9777221 | Method of producing needle coke for low CTE graphite electrodes | Douglas J. Miller, Irwin C. Lewis, Richard T. Lewis | 2017-10-03 |
| 9758905 | Process of making carbon fibers derived from lignin/carbon residue | Bassam Alnasleh, Omer Gul, Andrew Adam Hausner, Robert E. Miller, Orest L. Adrianowycz | 2017-09-12 |
| 9683313 | Method of making carbon fibers from lignin | Bassam Alnasleh, Omer Gul, Robert E. Miller, Andrew Adam Hausner, Orest L. Adrianowycz +2 more | 2017-06-20 |
| 8828348 | Reduced puffing needle coke from coal tar | Douglas J. Miller, Irwin C. Lewis, Aaron Tomasek, Richard L. Shao | 2014-09-09 |
| 8747651 | High coking value pitch | Douglas J. Miller, Irwin C. Lewis, Richard T. Lewis | 2014-06-10 |
| 8658315 | Reduced puffing needle coke from decant oil | Douglas J. Miller, Irwin C. Lewis, Aaron Tomasek, Richard L. Shao | 2014-02-25 |
| 8530094 | Reduced puffing needle coke from coal tar distillate | Douglas J. Miller, Irwin C. Lewis, Richart T. Lewis, Aaron Tomasek, Richard L. Shao | 2013-09-10 |
| RE42775 | Isotropic pitch-based materials for thermal insulation | Charles C. Chiu, Irwin C. Lewis | 2011-10-04 |
| 8007659 | Reduced puffing needle coke from coal tar distillate | Douglas J. Miller, Irwin C. Lewis, Richard T. Lewis, Aaron Tomasek, Richard L. Shao | 2011-08-30 |
| 8007658 | Reduced puffing needle coke from coal tar | Douglas J. Miller, Irwin C. Lewis, Aaron Tomasek, Richard L. Shao | 2011-08-30 |
| 8007660 | Reduced puffing needle coke from decant oil | Douglas J. Miller, Irwin C. Lewis, Aaron Tomasek, Richard L. Shao | 2011-08-30 |
| 7543952 | Lighting fixture for aquarium | — | 2009-06-09 |
| 7150837 | Isotropic pitch-based materials for thermal insulation | Charles C. Chiu, Irwin C. Lewis | 2006-12-19 |
| 6800364 | Isotropic pitch-based materials for thermal insulation | Charles C. Chiu, Irwin C. Lewis | 2004-10-05 |
| D426474 | Angle gauge | — | 2000-06-13 |
| 5843298 | Method of production of solids-free coal tar pitch | Thomas H. Orac, Irwin C. Lewis, Richard L. Shao | 1998-12-01 |
| 5534133 | Continuous method for increasing the Q. I. concentration of liquid tar while concurrently producing a Q. I. free tar | Irwin C. Lewis, George E. Keller, II, Gary L. Gilleskie, Richard L. Shao | 1996-07-09 |
| 4979998 | Process for forming a metal boride coating on a carbonaceous substrate | Raymond V. Sara | 1990-12-25 |
| 4889838 | Redistribution of organohalosilanes utilizing heat treated crystalline alumina catalysts | Kenrick M. Lewis | 1989-12-26 |