- 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: 215
10-year publication summary
|
12
|
10
|
23
|
18
|
22
|
21
|
21
|
15
|
27
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rolls-Royce Corporation | 1728 |
6 |
| Dorf Ketal Chemicals FZE | 239 |
6 |
| Straumann Holding AG | 562 |
5 |
| Centre National de La Recherche Scientifique | 10124 |
4 |
| Safran Ceramics | 392 |
4 |
| General Electric Company | 17794 |
3 |
| Honeywell International Inc. | 14022 |
3 |
| Entegris, Inc. | 1824 |
3 |
| GCP Applied Technologies Inc. | 467 |
3 |
| Protocol Environmental Solutions Inc. | 13 |
3 |
| Rolls-Royce High Temperature Composites, Inc. | 136 |
3 |
| W.R. Grace & Co.-conn. | 370 |
3 |
| R. e R. Group S.r.l. | 3 |
3 |
| Rtx Corporation | 9114 |
3 |
| Applied Materials, Inc. | 17779 |
2 |
| Corning Incorporated | 10139 |
2 |
| NGK Insulators, Ltd. | 4794 |
2 |
| Lam Research Corporation | 5008 |
2 |
| Nichia Corporation | 3554 |
2 |
| American Express Travel Related Services Company, Inc. | 1090 |
2 |
| Other owners | 151 |