- All sections
- C - Chemistry; metallurgy
- C04B - Lime; magnesia; slag; cements; compositions thereof, e.g. mortars, concrete or like building materials; artificial stone; ceramics; refractories; treatment of natural stone
- C04B 41/53 - After-treatment of mortars, concrete, artificial stone or ceramics; Treatment 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: 202
10-year publication summary
|
25
|
12
|
10
|
23
|
18
|
22
|
21
|
21
|
15
|
14
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rolls-Royce Corporation | 1686 |
6 |
| Dorf Ketal Chemicals FZE | 238 |
6 |
| Straumann Holding AG | 507 |
5 |
| General Electric Company | 18133 |
3 |
| Honeywell International Inc. | 13799 |
3 |
| Centre National de La Recherche Scientifique | 9632 |
3 |
| GCP Applied Technologies Inc. | 451 |
3 |
| Protocol Environmental Solutions Inc. | 12 |
3 |
| Rolls-Royce High Temperature Composites, Inc. | 129 |
3 |
| Safran Ceramics | 366 |
3 |
| W.R. Grace & Co.-conn. | 372 |
3 |
| R. e R. Group S.r.l. | 3 |
3 |
| Corning Incorporated | 9932 |
2 |
| NGK Insulators, Ltd. | 4589 |
2 |
| Lam Research Corporation | 4775 |
2 |
| Nichia Corporation | 3394 |
2 |
| Boe Technology Group Co., Ltd. | 35384 |
2 |
| American Express Travel Related Services Company, Inc. | 1052 |
2 |
| Chryso | 112 |
2 |
| Consejo Superior de Investigaciones Cientificas (csic) | 1254 |
2 |
| Other owners | 142 |