- 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: 426
10-year publication summary
19
|
18
|
35
|
44
|
47
|
52
|
44
|
54
|
57
|
18
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Omya International AG | 816 |
21 |
Hilti Aktiengesellschaft | 3227 |
20 |
Sika Technology AG | 2650 |
15 |
Arelac, Inc. | 101 |
12 |
Saudi Arabian Oil Company | 11322 |
7 |
LATICRETE International, Inc. | 141 |
6 |
LG Hausys, Ltd. | 839 |
6 |
Mitek Holdings, Inc. | 250 |
6 |
United States Gypsum Company | 1019 |
6 |
BioMason, Inc. | 41 |
5 |
Denka Company Limited | 2189 |
5 |
Holcim Technology Ltd. | 868 |
5 |
King Fahd University of Petroleum and Minerals | 779 |
5 |
Glass Processing Solutions, LLC d/b/a Sioneer | 5 |
5 |
3m Innovative Properties Company | 18406 |
4 |
Caesarstone Ltd. | 77 |
4 |
Calera Corporation | 107 |
4 |
Crown Products & Services, Inc. | 13 |
4 |
Knauf Gips KG | 534 |
4 |
Tokuyama Corporation | 1248 |
4 |
Other owners | 278 |