Issued Patents 2025
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12428842 | Multi-layered thermoplastic roofing membranes | Hao Wang, Donna C. TIPPMANN | 2025-09-30 |
| 12385253 | Fabric-backed roofing membrane composite | Jiansheng Tang, Joseph John Kalwara, Carl E. WATKINS, JR., Brian S. Alexander, Todd D. TAYKOWSKI +1 more | 2025-08-12 |
| 12337581 | Construction boards with foil-containing facers | John B. Letts, Jiansheng Tang | 2025-06-24 |
| 12305385 | Process for encapsulating fragile insulation materials within polyisocyanurate | John B. Letts | 2025-05-20 |
| 12291620 | Isocyanate-based foam construction boards | John B. Letts, Chunhua Yao | 2025-05-06 |
| 12247399 | Fire-resistant roof system and membrane composite | Wensheng Zhou, Allen Sopko, Joseph CARR | 2025-03-11 |