- All sections
- C - Chemistry; metallurgy
- C04B - Lime; magnesia; slag; cements; compositions thereof, e.g. mortars, concrete or like building materials; artificial stone; ceramics; refractories; treatment of natural stone
- C04B 11/028 - Devices therefor
Patent holdings for IPC class C04B 11/028
Total number of patents in this class: 33
10-year publication summary
0
|
2
|
1
|
1
|
3
|
0
|
2
|
7
|
6
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Knauf Gips KG | 534 |
4 |
United States Gypsum Company | 1019 |
4 |
Yoshino Gypsum Co., Ltd. | 224 |
4 |
CertainTeed Gypsum, Inc. | 180 |
3 |
Grenzebach BSH GmbH | 55 |
2 |
Saint-Gobain Placo | 176 |
2 |
Saint-Gobain Placo SAS | 139 |
2 |
Schenck Process LLC | 76 |
2 |
Alstom Technology Ltd | 1196 |
1 |
Gypsum Technologies Inc. | 9 |
1 |
The Nugyp Corp. | 1 |
1 |
Promat International N.V. | 1 |
1 |
Saudi Arabian Mining Company (Ma'aden) | 9 |
1 |
Tsukishima Kikai Co., Ltd. | 118 |
1 |
Jiangsu EFFUL Science and Technology CO.,LTD | 13 |
1 |
Tipco Tudeshki Industrial Process Control GmbH | 4 |
1 |
Tru-flow Technologies, LLC | 1 |
1 |
Hubei Juhai Environmental Technology Co., Ltd | 6 |
1 |
Other owners | 0 |