- 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 111/20 - Resistance against chemical, physical or biological attack
Patent holdings for IPC class C04B 111/20
Total number of patents in this class: 275
10-year publication summary
17
|
27
|
32
|
33
|
18
|
28
|
17
|
14
|
14
|
0
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
CR Minerals Company, LLC | 23 |
12 |
Construction Research & Technology GmbH | 649 |
9 |
Solidia Technologies, Inc. | 113 |
6 |
Halliburton Energy Services, Inc. | 20419 |
5 |
NGK Insulators, Ltd. | 4795 |
5 |
AM Technology Limited | 15 |
5 |
The Regents of the University of California | 19503 |
4 |
Sika Technology AG | 2848 |
4 |
Wacker Chemie AG | 2103 |
4 |
Eagle Strong Investments, LLC | 9 |
4 |
3m Innovative Properties Company | 17951 |
3 |
Dow Global Technologies LLC | 10149 |
3 |
A.L.M. Holding Company | 83 |
3 |
Chryso | 127 |
3 |
Ergon Asphalt & Emulsions, Inc. | 113 |
3 |
Harbin Engineering University | 127 |
3 |
International Technology Center | 18 |
3 |
Italcementi S.p.A. | 71 |
3 |
Rutgers, The State University of New Jersey | 1844 |
3 |
Yara International ASA | 799 |
3 |
Other owners | 187 |