- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 7/04 - Portland cement using raw materials containing gypsum
Patent holdings for IPC class C04B 7/04
Total number of patents in this class: 42
10-year publication summary
|
2
|
4
|
1
|
2
|
2
|
5
|
0
|
3
|
6
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Holcim Technology Ltd. | 779 |
6 |
| ThyssenKrupp AG | 3303 |
6 |
| ThyssenKrupp Industrial Solutions AG | 632 |
6 |
| Cementos Argos S.A. | 37 |
2 |
| Concretos Translucidos, S. de R.L. de C.V. | 6 |
2 |
| BASF SE | 20961 |
1 |
| CarbonCure Technologies Inc. | 87 |
1 |
| Enviro Water Minerals Company, Inc. | 24 |
1 |
| GS Engineering & Construction Corp. | 30 |
1 |
| Holcim (US), Inc. | 24 |
1 |
| Inovamat Inovação EM Materiais Ltda | 1 |
1 |
| KHD Humboldt Wedag GmbH | 192 |
1 |
| Korea Institute of Civil Engineering and Building Technology | 134 |
1 |
| Lyten, Inc. | 323 |
1 |
| Nanjing University of Technology | 93 |
1 |
| Roman Cement, LLC | 48 |
1 |
| United States Gypsum Company | 909 |
1 |
| Axis Innovation Pty Ltd | 2 |
1 |
| POS Ceramics Co., Ltd. | 1 |
1 |
| Powerchina Water Environment Goverance | 20 |
1 |
| Other owners | 5 |