Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8828348 | Reduced puffing needle coke from coal tar | Douglas J. Miller, Ching-Feng Chang, Irwin C. Lewis, Aaron Tomasek | 2014-09-09 |
| 8658315 | Reduced puffing needle coke from decant oil | Douglas J. Miller, Ching-Feng Chang, Irwin C. Lewis, Aaron Tomasek | 2014-02-25 |
| 8530094 | Reduced puffing needle coke from coal tar distillate | Douglas J. Miller, Ching-Feng Chang, Irwin C. Lewis, Richart T. Lewis, Aaron Tomasek | 2013-09-10 |
| 8440302 | Reinforced resin-derived carbon foam | Douglas J. Miller, Irwin C. Lewis, Mehmet Suha Yazici | 2013-05-14 |
| 8021750 | Insulated panel for mine safe rooms | Douglas J. Miller, Mark Segger, Yevegiy P. Griffin | 2011-09-20 |
| 8007658 | Reduced puffing needle coke from coal tar | Douglas J. Miller, Ching-Feng Chang, Irwin C. Lewis, Aaron Tomasek | 2011-08-30 |
| 8007659 | Reduced puffing needle coke from coal tar distillate | Douglas J. Miller, Ching-Feng Chang, Irwin C. Lewis, Richard T. Lewis, Aaron Tomasek | 2011-08-30 |
| 8007660 | Reduced puffing needle coke from decant oil | Douglas J. Miller, Ching-Feng Chang, Irwin C. Lewis, Aaron Tomasek | 2011-08-30 |
| 7972698 | Carbon foam core panels | Douglas J. Miller, Irwin C. Lewis, Mark Segger | 2011-07-05 |
| 7892636 | Carbon foam with supplemental material | Douglas J. Miller, David M. Kaschak | 2011-02-22 |
| 7776430 | Carbon foam tooling with durable skin | David M. Kaschak | 2010-08-17 |
| 7758779 | Reinforced resin-derived carbon foam | Douglas J. Miller, Irwin C. Lewis, Mehmet Suha Yazici | 2010-07-20 |
| 7563841 | Cement for carbon articles | Irwin C. Lewis | 2009-07-21 |
| 7544316 | Process for making graphite articles | James Kortovich, Irwin C. Lewis, Richard T. Lewis, Dai Huang | 2009-06-09 |
| 7264878 | Laminated carbon foam sandwich for naval decking | Douglas J. Miller, Irwin C. Lewis | 2007-09-04 |
| 7232606 | Sealant for high strength carbon foam | Douglas J. Miller, Irwin C. Lewis, Robert Angelo Mercuri | 2007-06-19 |
| 6916435 | Process of making graphite articles | James Kortovich, Dai Huang, Irwin C. Lewis, Richard T. Lewis | 2005-07-12 |
| 6898232 | Induction furnace for high temperature operation | Douglas J. Miller, Werner H. Ruoff, Allan Intermill, Stephen L. Strong, Thomas R. Thoman | 2005-05-24 |
| 6724803 | Induction furnace for high temperature operation | Douglas J. Miller, Werner H. Ruoff, Allan Intermill, Thomas R. Thoman, Stephen L. Strong | 2004-04-20 |
| 6440563 | Pin for connecting carbon electrodes and process therefor | James Kortovich, Irwin C. Lewis, Richard T. Lewis | 2002-08-27 |
| 6280663 | Process of making pins for connecting carbon electrodes | James Kortovich, Irwin C. Lewis, Richard T. Lewis | 2001-08-28 |
| 5843298 | Method of production of solids-free coal tar pitch | Thomas H. Orac, Ching-Feng Chang, Irwin C. Lewis | 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, Ching-Feng Chang, George E. Keller, II, Gary L. Gilleskie | 1996-07-09 |