Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12195648 | Pre-applied membrane having granular polymer outer protective layer | Huhe Chen, Robert A. Wiercinski | 2025-01-14 |
| 12018475 | Facilitated detailing for pre-applied waterproofing membranes | Huhe Chen, Lijun Xin, Robert A. Wiercinski | 2024-06-25 |
| 10655322 | Facilitated detailing for pre-applied waterproofing membranes | Huhe Chen, Lijun Xin, Robert A. Wiercinski | 2020-05-19 |
| 8713879 | Waterproofing membrane | Robert A. Wiercinski, Xia Cao | 2014-05-06 |
| 8453405 | Waterproofing membrane | Robert A. Wiercisnki, Xia Cao | 2013-06-04 |