- 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: 225
10-year publication summary
|
12
|
10
|
23
|
18
|
22
|
21
|
21
|
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 | 1736 |
6 |
| General Electric Company | 13793 |
5 |
| Straumann Holding AG | 587 |
5 |
| Centre National de La Recherche Scientifique | 10432 |
4 |
| Dorf Ketal Chemicals FZE | 197 |
4 |
| Heraeus Electronics GmbH & Co. KG | 102 |
4 |
| Honeywell International Inc. | 13553 |
3 |
| Applied Materials, Inc. | 18658 |
3 |
| Lam Research Corporation | 5252 |
3 |
| Entegris, Inc. | 1869 |
3 |
| GCP Applied Technologies Inc. | 468 |
3 |
| Protocol Environmental Solutions Inc. | 13 |
3 |
| Rolls-Royce High Temperature Composites, Inc. | 134 |
3 |
| Safran Ceramics | 408 |
3 |
| W.R. Grace & Co.-conn. | 370 |
3 |
| Momentum Optics LLC | 4 |
3 |
| Kyocera Corporation | 13831 |
2 |
| Corning Incorporated | 10263 |
2 |
| NGK Insulators, Ltd. | 4964 |
2 |
| Nichia Corporation | 3705 |
2 |
| Other owners | 159 |