- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 41/81 - Coating or impregnating
Patent holdings for IPC class C04B 41/81
Total number of patents in this class: 105
10-year publication summary
|
9
|
5
|
16
|
11
|
3
|
7
|
10
|
3
|
9
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 9946 |
9 |
| Forge Nano, Inc. | 62 |
6 |
| General Electric Company | 13822 |
5 |
| Corning Incorporated | 10463 |
5 |
| Centre National de La Recherche Scientifique | 10914 |
4 |
| Rolls-Royce Corporation | 1681 |
4 |
| Safran Ceramics | 437 |
4 |
| Rolls-Royce High Temperature Composites, Inc. | 136 |
3 |
| Siemens AG | 24132 |
2 |
| Monier Roofing GmbH | 14 |
2 |
| Tungaloy Corporation | 533 |
2 |
| Universite de Montreal | 347 |
2 |
| Universite Toulouse Iii-paul Sabatier | 264 |
2 |
| Apple Inc. | 58268 |
1 |
| Baker Hughes Incorporated | 5018 |
1 |
| 3m Innovative Properties Company | 17491 |
1 |
| Hitachi Metals, Ltd. | 1916 |
1 |
| Applied Materials, Inc. | 20145 |
1 |
| Kyocera Corporation | 14278 |
1 |
| Massachusetts Institute of Technology | 10204 |
1 |
| Other owners | 48 |