- 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 18/14 - Waste materials; Refuse from metallurgical processes
Patent holdings for IPC class C04B 18/14
Total number of patents in this class: 475
10-year publication summary
21
|
23
|
34
|
42
|
42
|
37
|
27
|
52
|
56
|
23
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Sika Technology AG | 2650 |
12 |
Ecomaister Co., Ltd. | 17 |
10 |
Halliburton Energy Services, Inc. | 20165 |
9 |
JFE Steel Corporation | 6067 |
9 |
Taiheiyo Cement Corporation | 237 |
9 |
Denka Company Limited | 2189 |
8 |
Denki Kagaku Kogyo Kabushiki Kaisha | 680 |
8 |
The Catholic University of America | 96 |
7 |
Tokuyama Corporation | 1248 |
7 |
Construction Research & Technology GmbH | 640 |
6 |
CR Minerals Company, LLC | 22 |
6 |
Roman Cement, LLC | 45 |
6 |
Sumitomo Mitsui Construction Co., Ltd. | 68 |
6 |
Korea Institute of Civil Engineering and Building Technology | 119 |
5 |
Taisei Corporation | 52 |
5 |
Holcim Technology Ltd. | 868 |
4 |
POSCO Engineering & Construction Co., Ltd. | 34 |
4 |
The University of Tokyo | 3903 |
4 |
Kao Corporation | 4843 |
3 |
Hilti Aktiengesellschaft | 3227 |
3 |
Other owners | 344 |