- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 11/00 - Calcium sulfate cements
Patent holdings for IPC class C04B 11/00
Total number of patents in this class: 246
10-year publication summary
|
17
|
8
|
18
|
13
|
12
|
10
|
12
|
15
|
17
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| United States Gypsum Company | 927 |
41 |
| Knauf Gips KG | 642 |
16 |
| Yoshino Gypsum Co., Ltd. | 264 |
15 |
| CertainTeed Gypsum, Inc. | 220 |
12 |
| Saint-Gobain Placo SAS | 162 |
11 |
| Georgia-Pacific Gypsum LLC | 225 |
9 |
| Saint-Gobain Placo | 274 |
9 |
| Gold Bond Building Products, LLC | 195 |
9 |
| ThyssenKrupp AG | 3409 |
6 |
| ThyssenKrupp Industrial Solutions AG | 630 |
6 |
| BPB Limited | 44 |
5 |
| BASF SE | 21303 |
4 |
| California Institute of Technology | 4040 |
4 |
| Tokuyama Corporation | 1477 |
4 |
| Brimstone Energy Inc. | 24 |
4 |
| Columbia Insurance Company | 1455 |
3 |
| Ecolab USA Inc. | 5796 |
3 |
| Henry Company, LLC | 244 |
3 |
| Roman Cement, LLC | 48 |
3 |
| Dai Nippon Printing Co., Ltd. | 4238 |
2 |
| Other owners | 77 |