Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12410843 | Binder-free friction linings, process for their production and their use | Paulo PERIN | 2025-09-09 |
| 10253264 | Method of producing needle coke for low CTE graphite electrodes | Douglas J. Miller, Irwin C. Lewis, Ching-Feng Chang | 2019-04-09 |
| 10137609 | Method and device for the thermal treatment of friction linings | Kai Goldbach, Thomas Hueber, Paulo PERIN | 2018-11-27 |
| 9777221 | Method of producing needle coke for low CTE graphite electrodes | Douglas J. Miller, Irwin C. Lewis, Ching-Feng Chang | 2017-10-03 |
| 8747651 | High coking value pitch | Douglas J. Miller, Ching-Feng Chang, Irwin C. Lewis | 2014-06-10 |
| 8007659 | Reduced puffing needle coke from coal tar distillate | Douglas J. Miller, Ching-Feng Chang, Irwin C. Lewis, Aaron Tomasek, Richard L. Shao | 2011-08-30 |
| 7544316 | Process for making graphite articles | James Kortovich, Richard L. Shao, Irwin C. Lewis, Dai Huang | 2009-06-09 |
| 7207424 | Manufacture of carbon/carbon composites by hot pressing | Dai Huang, Dave Snyder, Irwin C. Lewis | 2007-04-24 |
| 6916435 | Process of making graphite articles | James Kortovich, Richard L. Shao, Dai Huang, Irwin C. Lewis | 2005-07-12 |
| 6878331 | Manufacture of carbon composites by hot pressing | Dai Huang, Irwin C. Lewis, David R. Snyder | 2005-04-12 |
| 6699427 | Manufacture of carbon/carbon composites by hot pressing | Dai Huang, Irwin C. Lewis, William Cate | 2004-03-02 |
| 6440563 | Pin for connecting carbon electrodes and process therefor | Richard L. Shao, James Kortovich, Irwin C. Lewis | 2002-08-27 |
| 6280663 | Process of making pins for connecting carbon electrodes | Richard L. Shao, James Kortovich, Irwin C. Lewis | 2001-08-28 |
| 6214158 | High temperature carbonaceous cement | Charles C. Chiu, Irwin C. Lewis | 2001-04-10 |
| 5575582 | Fastening device for securing electrode joints | Michael Frastaci, David G. Proctor, David M. Riffle | 1996-11-19 |
| 5192605 | Epoxy resin bonded flexible graphite laminate and method | Robert Angelo Mercuri, Edwin Ohneth | 1993-03-09 |
| 4715897 | Esters as pitch plasticizers | James A. Tallon | 1987-12-29 |
| 4303631 | Process for producing carbon fibers | Irwin C. Lewis | 1981-12-01 |