Issued Patents All Time
Showing 1–25 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12162803 | Foam modifiers for gypsum slurries, methods, and products | Annamaria Vilinska, Alfred C. Li | 2024-12-10 |
| 12090744 | Composite gypsum board and methods related thereto | Alfred C. Li, Yijun Sang, Gregg G. Diefenbacher, Annamaria Vilinska, Brian J. Christ +2 more | 2024-09-17 |
| 11884040 | Light weight gypsum board | Qiang Yu | 2024-01-30 |
| 11780113 | Lightweight, reduced density fire rated gypsum panels | Qiang Yu, Srinivas Veeramasuneni, Wenqi Luan | 2023-10-10 |
| 11338548 | Light weight gypsum board | Qiang Yu | 2022-05-24 |
| 11306028 | Light weight gypsum board | Qiang Yu | 2022-04-19 |
| 11267759 | Method and system for on-line blending of foaming agent with foam modifier for addition to cementitious slurries | Annamaria Vilinska, Alfred C. Li | 2022-03-08 |
| 11168030 | Pregelatinized starch with mid-range viscosity, and product, slurry and methods related thereto | Yijun Sang, Chris C. Lee, Cesar Chan | 2021-11-09 |
| 11135818 | Pregelatinized starch with mid-range viscosity, and product, slurry and methods related thereto | Yijun Sang | 2021-10-05 |
| 11040513 | Composite gypsum board and methods related thereto | Alfred C. Li, Yijun Sang, Gregg G. Diefenbacher, Annamaria Vilinska, Brian J. Christ +2 more | 2021-06-22 |
| 10875935 | Method of preparing pregelatinized, partially hydrolyzed starch and related methods and products | Yijun Sang, Cesar Chan, Chris C. Lee | 2020-12-29 |
| 10850425 | Lightweight, reduced density fire rated gypsum panels | Qiang Yu, Srinivas Veeramasuneni, Wenqi Luan | 2020-12-01 |
| 10737979 | Gypsum set accelerator and method of preparing same | Runhai Lu, Yijun Sang | 2020-08-11 |
| 10662112 | Method and system for on-line blending of foaming agent with foam modifier for addition to cementitious slurries | Annamaria Vilinska, Alfred C. Li | 2020-05-26 |
| 10604929 | Fire resistant gypsum board comprising expandable graphite and related methods and slurries | Qinghua Li, Naveen Punati, Mark Antosh | 2020-03-31 |
| 10464847 | Pregelatinized starch with mid-range viscosity, and product, slurry and methods related thereto | Yijun Sang, Chris C. Lee, Cesar Chan | 2019-11-05 |
| 10421251 | Composite gypsum board and methods related thereto | Alfred C. Li, Yijun Sang, Gregg G. Diefenbacher, Annamaria Vilinska, Brian J. Christ +2 more | 2019-09-24 |
| 10421250 | Composite gypsum board and methods related thereto | Alfred C. Li, Yijun Sang, Gregg G. Diefenbacher, Annamaria Vilinska, Brian J. Christ +2 more | 2019-09-24 |
| 10406779 | Light weight gypsum board | Qiang Yu | 2019-09-10 |
| 10407345 | Light weight gypsum board | Qiang Yu | 2019-09-10 |
| 10407344 | Foam modifiers for gypsum slurries, methods, and products | Annamaria Vilinska, Alfred C. Li | 2019-09-10 |
| 10399899 | Pregelatinized starch with mid-range viscosity, and product, slurry and methods related thereto | Yijun Sang | 2019-09-03 |
| 10377108 | Gypsum products with high efficiency heat sink additives | Cesar Chan, Bangji Cao, Guy Rosenthal, Qiang Yu, Srinivas Veeramasuneni | 2019-08-13 |
| 10309771 | System and method for determining facer surface smoothness | Jenner Omodt, Alfred C. Li, Michael P. Shake | 2019-06-04 |
| 10293522 | Multi-piece mold and method of making slurry distributor | Alfred C. Li, Chris C. Lee, Cesar Chan, Ronald E. Schenck, Curt Loring +2 more | 2019-05-21 |