- 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 7/38 - Preparing or treating the raw materials individually or as batches
Patent holdings for IPC class C04B 7/38
Total number of patents in this class: 88
10-year publication summary
6
|
2
|
1
|
3
|
5
|
7
|
4
|
7
|
5
|
6
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Taiheiyo Cement Corporation | 237 |
15 |
Mitsubishi Materials Corporation | 2378 |
7 |
Tokuyama Corporation | 1248 |
4 |
The Regents of the University of California | 18943 |
3 |
Arizona Board of Regents on behalf of Arizona State University | 2226 |
3 |
Denki Kagaku Kogyo Kabushiki Kaisha | 680 |
3 |
Holcim Technology Ltd. | 868 |
3 |
Roman Cement, LLC | 45 |
3 |
Sumitomo Osaka Cement Co., Ltd. | 783 |
3 |
ThyssenKrupp AG | 3086 |
3 |
Ube Industries, Ltd. | 921 |
3 |
Shandong University | 886 |
2 |
ThyssenKrupp Industrial Solutions AG | 729 |
2 |
Taiheiyo Engineering Corporation | 24 |
2 |
Hconnect 2 GmbH | 62 |
2 |
Massachusetts Institute of Technology | 9795 |
1 |
BPB Limited | 49 |
1 |
Edw. C. Levy Co. | 48 |
1 |
Guangdong Brunp Recycling Technology Co., Ltd | 674 |
1 |
HeidelbergCement AG | 82 |
1 |
Other owners | 25 |