- 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: 1670
10-year publication summary
|
109
|
102
|
136
|
157
|
102
|
104
|
103
|
135
|
102
|
92
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 9556 |
170 |
| Safran Ceramics | 415 |
145 |
| General Electric Company | 13859 |
109 |
| Rolls-Royce Corporation | 1749 |
67 |
| Centre National de La Recherche Scientifique | 10635 |
54 |
| Rolls-Royce High Temperature Composites, Inc. | 134 |
52 |
| Safran Aircraft Engines | 6358 |
44 |
| IHI Corporation | 3461 |
37 |
| Nichias Corporation | 394 |
25 |
| Siemens AG | 24344 |
21 |
| Ibiden Co., Ltd. | 1717 |
21 |
| Universite de Bordeaux | 882 |
21 |
| SAFRAN S.A. | 631 |
20 |
| Herakles | 157 |
20 |
| Pallidus, Inc. | 36 |
19 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10955 |
18 |
| GE Infrastructure Technology, LLC | 6200 |
15 |
| Goodrich Corporation | 2156 |
14 |
| Rolls-Royce North American Technologies, Inc. | 1173 |
14 |
| Safran Nacelles | 722 |
13 |
| Other owners | 771 |