- 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 7/32 - Aluminous cements
Patent holdings for IPC class C04B 7/32
Total number of patents in this class: 271
10-year publication summary
|
27
|
17
|
20
|
21
|
26
|
17
|
11
|
30
|
13
|
10
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Holcim Technology Ltd. | 868 |
14 |
| Vicat | 84 |
14 |
| Halliburton Energy Services, Inc. | 20165 |
11 |
| HeidelbergCement AG | 82 |
11 |
| Kerneos | 36 |
9 |
| Shandong University | 886 |
9 |
| ARDEX Group GmbH | 11 |
9 |
| Saudi Arabian Oil Company | 11322 |
8 |
| Calucem GmbH | 19 |
7 |
| Denki Kagaku Kogyo Kabushiki Kaisha | 680 |
6 |
| United States Gypsum Company | 1019 |
6 |
| Doxa AB | 23 |
5 |
| Lafarge | 137 |
5 |
| Nippon Steel Corporation | 5649 |
5 |
| Italcementi S.p.A. | 83 |
4 |
| Solidia Technologies, Inc. | 113 |
4 |
| CSA Research LLC | 41 |
3 |
| Roman Cement, LLC | 45 |
3 |
| Sika Technology AG | 2650 |
3 |
| University of Kentucky Research Foundation | 643 |
3 |
| Other owners | 132 |