Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12343957 | Asphaltic sheet materials including expandable graphite | Wensheng Zhou, Donald R. Kirk, James Young, Robert Anderson, Lance Black | 2025-07-01 |
| 11230085 | Asphaltic sheet materials including expandable graphite | Wensheng Zhou, Donald R. Kirk, James Young, Robert Anderson, Lance Black | 2022-01-25 |
| 11065841 | Asphaltic sheet materials including expandable graphite | Wensheng Zhou, Donald R. Kirk, James Young, Robert Anderson, Lance Black | 2021-07-20 |
| 10011092 | Asphaltic sheet materials including expandable graphite | Wensheng Zhou, Donald R. Kirk, James Young, Robert Anderson, Lance Black | 2018-07-03 |
| 9677281 | Method of manufacturing granule coated asphaltic articles | Wensheng Zhou, Lance Black | 2017-06-13 |
| 9441140 | Asphaltic sheet materials including expandable graphite | Wensheng Zhou, Donald R. Kirk, James Young, Robert Anderson, Lance Black | 2016-09-13 |
| 8993047 | Method of manufacturing granule coated asphaltic articles | Wensheng Zhou, Lance Black | 2015-03-31 |
| 8435599 | Method of manufacturing granule coated asphaltic articles | Wensheng Zhou, Lance Black | 2013-05-07 |