- 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 14/28 - Carbonates of calcium
Patent holdings for IPC class C04B 14/28
Total number of patents in this class: 497
10-year publication summary
|
18
|
35
|
44
|
47
|
52
|
45
|
56
|
60
|
79
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hilti Aktiengesellschaft | 3383 |
22 |
| Omya International AG | 810 |
21 |
| Sika Technology AG | 2851 |
20 |
| Arelac, Inc. | 105 |
13 |
| LATICRETE International, Inc. | 145 |
7 |
| Mitek Holdings, Inc. | 249 |
7 |
| Saudi Arabian Oil Company | 12446 |
7 |
| Denka Company Limited | 2459 |
6 |
| Holcim Technology Ltd. | 995 |
6 |
| Knauf Gips KG | 563 |
6 |
| LG Hausys, Ltd. | 828 |
6 |
| Tokuyama Corporation | 1342 |
6 |
| United States Gypsum Company | 1002 |
6 |
| 3m Innovative Properties Company | 17957 |
5 |
| BioMason, Inc. | 54 |
5 |
| GCP Applied Technologies Inc. | 467 |
5 |
| Glass Processing Solutions, LLC d/b/a Sioneer | 5 |
5 |
| Lithic Industries Holding Company | 12 |
5 |
| Caesarstone Ltd. | 81 |
4 |
| Calera Corporation | 106 |
4 |
| Other owners | 331 |