- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 11/028 - Devices therefor
Patent holdings for IPC class C04B 11/028
Total number of patents in this class: 48
10-year publication summary
|
2
|
1
|
1
|
3
|
0
|
2
|
7
|
8
|
9
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| United States Gypsum Company | 898 |
10 |
| Knauf Gips KG | 602 |
6 |
| SGL Carbon SE | 388 |
5 |
| Yoshino Gypsum Co., Ltd. | 250 |
4 |
| CertainTeed Gypsum, Inc. | 207 |
3 |
| Saint-Gobain Placo | 226 |
2 |
| Saint-Gobain Placo SAS | 153 |
2 |
| China National Building Materials Technological Innovation & Research Institute Limited Company | 66 |
2 |
| Hubei Juhai Environmental Technology Co., Ltd | 10 |
2 |
| Alstom Technology Ltd | 1108 |
1 |
| Grenzebach BSH GmbH | 54 |
1 |
| The Nugyp Corp. | 1 |
1 |
| Saudi Arabian Mining Company (Ma'aden) | 9 |
1 |
| Schenck Process LLC | 69 |
1 |
| Tsukishima Kikai Co., Ltd. | 113 |
1 |
| Jiangsu EFFUL Science and Technology CO.,LTD | 7 |
1 |
| Beijing New Building Materials Public Limited Company | 97 |
1 |
| Tipco Tudeshki Industrial Process Control GmbH | 5 |
1 |
| Tru-flow Technologies, LLC | 1 |
1 |
| China National Building Material Group Co., Ltd. | 105 |
1 |
| Other owners | 1 |