- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment 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: 298
10-year publication summary
|
27
|
32
|
33
|
18
|
29
|
20
|
20
|
16
|
14
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| CR Minerals Company, LLC | 24 |
14 |
| Construction Research & Technology GmbH | 602 |
10 |
| Halliburton Energy Services, Inc. | 21338 |
5 |
| NGK Insulators, Ltd. | 5236 |
5 |
| AM Technology Limited | 8 |
5 |
| Solidia Technologies, Inc. | 78 |
5 |
| Wacker Chemie AG | 2112 |
5 |
| Eagle Strong Investments, LLC | 11 |
5 |
| The Regents of the University of California | 20745 |
4 |
| A.L.M. Holding Company | 84 |
4 |
| Ergon Asphalt & Emulsions, Inc. | 118 |
4 |
| Sika Technology AG | 3004 |
4 |
| 3m Innovative Properties Company | 17478 |
3 |
| Dow Global Technologies LLC | 10944 |
3 |
| Harbin Engineering University | 167 |
3 |
| Italcementi S.p.A. | 63 |
3 |
| The Regents of the University of Colorado, a body corporate | 2804 |
3 |
| Rutgers, The State University of New Jersey | 1973 |
3 |
| Yara International ASA | 900 |
3 |
| Generative Technology Operatives, LLC | 5 |
3 |
| Other owners | 204 |