- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 20/02 - Treatment
Patent holdings for IPC class C04B 20/02
Total number of patents in this class: 456
10-year publication summary
|
11
|
11
|
20
|
17
|
26
|
28
|
24
|
59
|
74
|
59
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sika Technology AG | 2899 |
15 |
| Terra CO2 Technology Holdings, Inc. | 37 |
15 |
| GCP Applied Technologies Inc. | 470 |
13 |
| Holcim Technology Ltd. | 622 |
12 |
| ThyssenKrupp AG | 3328 |
11 |
| Heidelberg Materials AG | 97 |
11 |
| thyssenkrupp Polysius GmbH | 133 |
11 |
| Hconnect 2 GmbH | 37 |
9 |
| Hsustainability GmbH | 47 |
9 |
| HeidelbergCement AG | 79 |
8 |
| Fives FCB | 59 |
7 |
| Saudi Arabian Oil Company | 13569 |
7 |
| Vicat | 99 |
7 |
| SCHWENK Zement GmbH & Co. KG | 18 |
7 |
| Construction Research & Technology GmbH | 637 |
6 |
| Roman Cement, LLC | 48 |
6 |
| CarbonCure Technologies Inc. | 88 |
5 |
| Vecor IP Holdings Limited | 33 |
5 |
| King Abdullah University of Science and Technology | 1806 |
4 |
| Shandong University | 1064 |
4 |
| Other owners | 284 |