Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12325828 | Exhaust flow modifier, duct intersection incorporating the same, and methods therefor | John Francis Quanci, Chun Wai Choi, Ung-Kyung Chun | 2025-06-10 |
| 11746296 | Methods and systems for improved quench tower design | Chun Wai Choi, John Francis Quanci | 2023-09-05 |
| 11186713 | Polyester containers and films with reduced gas permeability | Peter Kezios, George F. Rollend | 2021-11-30 |
| 11008517 | Non-perpendicular connections between coke oven uptakes and a hot common tunnel, and associated systems and methods | Ung-Kyung Chun, Chun Wai Choi, Milos J. Kaplarevic, John Francis Quanci | 2021-05-18 |
| 10975309 | Exhaust flow modifier, duct intersection incorporating the same, and methods therefor | John Francis Quanci, Chun Wai Choi, Ung-Kyung Chun | 2021-04-13 |
| 10927303 | Methods for improved quench tower design | Chun Wai Choi, John Francis Quanci | 2021-02-23 |
| 10047295 | Non-perpendicular connections between coke oven uptakes and a hot common tunnel, and associated systems and methods | Ung-Kyung Chun, Chun Wai Choi, Milos J. Kaplarevic, John Francis Quanci | 2018-08-14 |
| 9476547 | Exhaust flow modifier, duct intersection incorporating the same, and methods therefor | John Francis Quanci, Chun Wai Choi, Ung-Kyung Chun | 2016-10-25 |
| 9273249 | Systems and methods for controlling air distribution in a coke oven | John Francis Quanci, Mark Anthony Ball, Chun Wai Choi | 2016-03-01 |
| 9273250 | Methods and systems for improved quench tower design | Chun Wai Choi, John Francis Quanci | 2016-03-01 |
| 6979252 | Low defectivity product slurry for CMP and associated production method | Junaid Ahmed Siddiqui, Daniel Hernandez Castillo, II, Tara Ranae Keefover, Robin Edward Richards | 2005-12-27 |