- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 41/85 - Coating or impregnating with inorganic materials
Patent holdings for IPC class C04B 41/85
Total number of patents in this class: 536
10-year publication summary
|
42
|
29
|
36
|
32
|
24
|
28
|
14
|
24
|
13
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NGK Insulators, Ltd. | 5201 |
58 |
| Ibiden Co., Ltd. | 1683 |
34 |
| Corning Incorporated | 10411 |
20 |
| General Electric Company | 13811 |
16 |
| Sumitomo Chemical Company, Limited | 9057 |
16 |
| Rtx Corporation | 9802 |
14 |
| Rolls-Royce Corporation | 1692 |
13 |
| 3m Innovative Properties Company | 17576 |
12 |
| Hitachi Metals, Ltd. | 1931 |
12 |
| Solventum Intellectual Properties Company | 3374 |
9 |
| Safran Ceramics | 420 |
8 |
| Rolls-Royce High Temperature Composites, Inc. | 135 |
7 |
| Goodrich Corporation | 2183 |
6 |
| Group14 Technologies, Inc. | 115 |
6 |
| Honeywell International Inc. | 13590 |
5 |
| Rolex S.A. | 699 |
5 |
| Centre National de La Recherche Scientifique | 10841 |
4 |
| National Institute of Advanced Industrial Science and Technology | 3794 |
4 |
| Hitachi Zosen Corporation | 613 |
4 |
| Japan Fine Ceramics Center | 64 |
4 |
| Other owners | 279 |