Issued Patents All Time
Showing 1–25 of 79 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 |
| 12173509 | Method of reroofing | Jiansheng Tang, Joseph John Kalwara, Carl E. WATKINS, JR., Brian S. Alexander, Todd D. TAYKOWSKI +1 more | 2024-12-24 |
| 12172358 | System and method for continuously manufacturing cured membranes | Bruce Douglas, Hao Wang | 2024-12-24 |
| 12044013 | Polyolefin thermoplastic roofing membranes with improved burn resistivity | Hao Wang, Donna C. TIPPMANN, Todd D. TAYKOWSKI, Timothy McQuillen | 2024-07-23 |
| 12006692 | Fully-adhered roof system adhered and seamed with a common adhesive | Jiansheng Tang, Joseph John Kalwara, Carl E. WATKINS, JR., Brian S. Alexander, Todd D. TAYKOWSKI +1 more | 2024-06-11 |
| 12006691 | Coated fabrics including expandable graphite | Wensheng Zhou, Joseph CARR | 2024-06-11 |
| 12006414 | Process for producing isocyanate-based foam construction boards | John B. Letts, Chunhua Yao | 2024-06-11 |
| 11999833 | Process for producing isocyanate-based foam construction boards | John B. Letts, Chunhua Yao | 2024-06-04 |
| 11987986 | Multi-layered thermoplastic roofing membranes | Hao Wang, Donna C. TIPPMANN | 2024-05-21 |
| 11976467 | Thermoplastic membranes containing expandable graphite | Wensheng Zhou, Joseph CARR | 2024-05-07 |
| 11913222 | Polyisocyanurate coverboards with improved fire resistance | John B. Letts, Chunhua Yao | 2024-02-27 |
| 11821210 | Peel-and-stick roofing membranes and methods for forming fully-adhered roofing systems | Dharamdeep JAIN, Jiansheng Tang | 2023-11-21 |
| 11787096 | System and method for continuously manufacturing cured membranes | Bruce Douglas, Hao Wang | 2023-10-17 |
| 11624189 | Fully-adhered roof system adhered and seamed with a common adhesive | Jiansheng Tang, Joseph John Kalwara, Carl E. WATKINS, JR., Brian S. Alexander, Todd D. TAYKOWSKI +1 more | 2023-04-11 |
| 11618235 | Encapsulated fragile insulation materials | Chunhua Yao, John B. Letts | 2023-04-04 |
| 11555312 | Polyolefin thermoplastic roofing membranes with improved burn resistivity | Hao Wang, Donna C. TIPPMANN, Todd D. TAYKOWSKI, Timothy McQuillen | 2023-01-17 |
| 11242684 | Thermoplastic roofing membranes for fully-adhered roofing systems | Hao Wang, Dwayne WACENSKE, Donna C. TIPPMANN | 2022-02-08 |
| 11242681 | Polyisocyanurate coverboards with improved fire resistance | John B. Letts, Chunhua Yao | 2022-02-08 |
| 11174364 | Process for producing isocyanate-based foam construction boards | John B. Letts, Chunhua Yao | 2021-11-16 |
| 11168479 | Fire-resistant roof system and membrane composite | Wensheng Zhou, Allen Sopko, Joseph CARR | 2021-11-09 |