- 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: 1660
10-year publication summary
|
109
|
102
|
136
|
157
|
102
|
104
|
103
|
135
|
102
|
77
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 9461 |
161 |
| Safran Ceramics | 412 |
145 |
| General Electric Company | 13858 |
108 |
| Rolls-Royce Corporation | 1760 |
67 |
| Centre National de La Recherche Scientifique | 10564 |
54 |
| Rolls-Royce High Temperature Composites, Inc. | 134 |
52 |
| Safran Aircraft Engines | 6316 |
44 |
| IHI Corporation | 3452 |
38 |
| Nichias Corporation | 393 |
25 |
| Herakles | 167 |
23 |
| Siemens AG | 24352 |
21 |
| Ibiden Co., Ltd. | 1733 |
21 |
| Universite de Bordeaux | 874 |
21 |
| SAFRAN S.A. | 630 |
20 |
| Pallidus, Inc. | 36 |
19 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10949 |
18 |
| GE Infrastructure Technology, LLC | 6250 |
15 |
| Goodrich Corporation | 2137 |
14 |
| Rolls-Royce North American Technologies, Inc. | 1170 |
14 |
| Safran Nacelles | 718 |
13 |
| Other owners | 767 |