- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 14/40 - Asbestos
Patent holdings for IPC class C04B 14/40
Total number of patents in this class: 23
10-year publication summary
|
1
|
4
|
1
|
1
|
1
|
1
|
1
|
0
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Roman Cement, LLC | 48 |
3 |
| Black Asbestos Ltd | 3 |
3 |
| CR Minerals Company, LLC | 24 |
1 |
| Denki Kagaku Kogyo Kabushiki Kaisha | 625 |
1 |
| Holcim Technology Ltd. | 779 |
1 |
| LafargeHolcim Ltd | 21 |
1 |
| Luyang Energy-saving Materials Co., Ltd. | 29 |
1 |
| Rutgers, The State University of New Jersey | 1898 |
1 |
| Splice Sleeve Japan, Ltd. | 11 |
1 |
| Tanja Thomas | 2 |
1 |
| Unifrax I LLC | 242 |
1 |
| U.S. Concrete, Inc. | 14 |
1 |
| Orbix Productions | 11 |
1 |
| Gypsmix SARL | 3 |
1 |
| Asbeter Holding B.V. | 2 |
1 |
| Spheric Investors LLC | 10 |
1 |
| Akamai Materials, Inc. | 10 |
1 |
| Polyuse Co., Ltd. | 7 |
1 |
| Black Asbestos Ltd | 1 |
1 |
| Other owners | 0 |