- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 41/53 - After-treatment of mortars, concrete, artificial stone or ceramicsTreatment of natural stone involving the removal of part of the materials of the treated article
Patent holdings for IPC class C04B 41/53
Total number of patents in this class: 227
10-year publication summary
|
12
|
10
|
19
|
17
|
21
|
19
|
20
|
15
|
26
|
18
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rolls-Royce Corporation | 1760 |
6 |
| General Electric Company | 13859 |
5 |
| Straumann Holding AG | 594 |
5 |
| Centre National de La Recherche Scientifique | 10576 |
4 |
| Dorf Ketal Chemicals FZE | 199 |
4 |
| Heraeus Electronics GmbH & Co. KG | 104 |
4 |
| Honeywell International Inc. | 13552 |
3 |
| Applied Materials, Inc. | 18968 |
3 |
| Corning Incorporated | 10327 |
3 |
| Lam Research Corporation | 5320 |
3 |
| Entegris, Inc. | 1899 |
3 |
| GCP Applied Technologies Inc. | 472 |
3 |
| Protocol Environmental Solutions Inc. | 13 |
3 |
| Rolls-Royce High Temperature Composites, Inc. | 134 |
3 |
| Safran Ceramics | 414 |
3 |
| W.R. Grace & Co.-conn. | 369 |
3 |
| Momentum Optics LLC | 4 |
3 |
| Kyocera Corporation | 13988 |
2 |
| NGK Insulators, Ltd. | 5107 |
2 |
| Nichia Corporation | 3749 |
2 |
| Other owners | 160 |