Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12358190 | Process to yield foam construction boards with low surface irregularities | John B. Letts, Mark Holtman | 2025-07-15 |
| 12291620 | Isocyanate-based foam construction boards | John B. Letts, Michael J. Hubbard | 2025-05-06 |
| 12263622 | Process for producing isocyanate-based foam construction boards | John B. Letts | 2025-04-01 |
| 12006414 | Process for producing isocyanate-based foam construction boards | John B. Letts, Michael J. Hubbard | 2024-06-11 |
| 11999833 | Process for producing isocyanate-based foam construction boards | John B. Letts, Michael J. Hubbard | 2024-06-04 |
| 11982457 | Interactive temperature control system | Gangotree Chakma, Bhagyashree Bokade | 2024-05-14 |
| 11969140 | Surface cleaning | Priya Vemparala Guruswamy, Anshika Sharma, Xiao Li, Cipriana Forgy | 2024-04-30 |
| 11913222 | Polyisocyanurate coverboards with improved fire resistance | John B. Letts, Michael J. Hubbard | 2024-02-27 |
| 11618235 | Encapsulated fragile insulation materials | Michael J. Hubbard, John B. Letts | 2023-04-04 |
| 11398146 | Emergency assistance response | Priya Vemparala Guruswamy, Xiao Li, Cipriana Forgy, Anshika Sharma | 2022-07-26 |
| 11242681 | Polyisocyanurate coverboards with improved fire resistance | John B. Letts, Michael J. Hubbard | 2022-02-08 |
| 11174364 | Process for producing isocyanate-based foam construction boards | John B. Letts, Michael J. Hubbard | 2021-11-16 |
| 10870987 | Isocyanate-based foam construction boards | John B. Letts, Michael J. Hubbard | 2020-12-22 |
| 10277147 | Triboelectric nanogenerators based on chemically treated cellulose | Xudong Wang, Zhiyong Cai, Alberto Hernandez, Yanhao Yu | 2019-04-30 |
| 9637830 | Capillary photoelectrode structures for photoelectrochemical and photocatalytic cells | Xudong Wang, Zhaodong Li, Zhiyong Cai | 2017-05-02 |
| 9447225 | Polyester polyols containing diels-alder or ene adducts | Rick Tabor, Andrew Guo, Timothy L. Lambert, David J. Norberg | 2016-09-20 |
| 9309345 | Aromatic polyester polyols and aromatic polyester polyol blends containing biorenewable components and methods of making | F. Leo Hickey, Timothy L. Lambert | 2016-04-12 |
| 7767063 | Photo-formed metal nanoparticles and aerogel materials comprising the same | William M. Risen, Jr., Xipeng Liu, Yu Zhu | 2010-08-03 |
| 7238261 | Photo-formed metal nanoparticles and aerogel materials comprising the same | William M. Risen, Jr., Xipeng Liu, Yu Zhu | 2007-07-03 |