- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 14/28 - Carbonates of calcium
Patent holdings for IPC class C04B 14/28
Total number of patents in this class: 571
10-year publication summary
|
18
|
34
|
43
|
44
|
49
|
45
|
55
|
54
|
79
|
71
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sika Technology AG | 2888 |
24 |
| Hilti Aktiengesellschaft | 3526 |
22 |
| Omya International AG | 772 |
21 |
| Arelac, Inc. | 107 |
15 |
| LATICRETE International, Inc. | 147 |
9 |
| BioMason, Inc. | 54 |
7 |
| Denka Company Limited | 2634 |
7 |
| Holcim Technology Ltd. | 727 |
7 |
| Knauf Gips KG | 611 |
7 |
| Konoshima Chemical Co., Ltd. | 62 |
7 |
| Mitek Holdings, Inc. | 253 |
7 |
| Saudi Arabian Oil Company | 13472 |
7 |
| Tokuyama Corporation | 1422 |
7 |
| LG Hausys, Ltd. | 822 |
6 |
| United States Gypsum Company | 904 |
6 |
| Ecocem Materials Ltd. | 44 |
6 |
| 3m Innovative Properties Company | 17755 |
5 |
| GCP Applied Technologies Inc. | 470 |
5 |
| King Fahd University of Petroleum and Minerals | 1317 |
5 |
| Taiheiyo Cement Corporation | 243 |
5 |
| Other owners | 386 |