- All sections
- C - Chemistrymetallurgy
- C04B - Limemagnesiaslagcementscompositions thereof, e.g. mortars, concrete or like building materialsartificial stoneceramicsrefractoriestreatment of natural stone
- C04B 35/80 - Fibres, filaments, whiskers, platelets, or the like
Patent holdings for IPC class C04B 35/80
Total number of patents in this class: 1643
10-year publication summary
|
127
|
123
|
153
|
174
|
104
|
106
|
104
|
137
|
105
|
66
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 9385 |
155 |
| Safran Ceramics | 408 |
144 |
| General Electric Company | 13793 |
105 |
| Rolls-Royce Corporation | 1736 |
67 |
| Centre National de La Recherche Scientifique | 10432 |
53 |
| Rolls-Royce High Temperature Composites, Inc. | 134 |
52 |
| Safran Aircraft Engines | 6280 |
43 |
| IHI Corporation | 3438 |
38 |
| Nichias Corporation | 392 |
25 |
| Herakles | 164 |
22 |
| Siemens AG | 24477 |
21 |
| Ibiden Co., Ltd. | 1704 |
21 |
| Universite de Bordeaux | 861 |
21 |
| SAFRAN S.A. | 615 |
20 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10912 |
18 |
| Pallidus, Inc. | 35 |
18 |
| GE Infrastructure Technology, LLC | 6226 |
15 |
| Rolls-Royce North American Technologies, Inc. | 1169 |
14 |
| Goodrich Corporation | 2129 |
13 |
| Safran Nacelles | 715 |
13 |
| Other owners | 765 |