- 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: 1755
10-year publication summary
|
123
|
153
|
174
|
105
|
108
|
105
|
138
|
106
|
109
|
75
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 10102 |
198 |
| Safran Ceramics | 446 |
157 |
| General Electric Company | 13899 |
118 |
| Rolls-Royce Corporation | 1677 |
67 |
| Centre National de La Recherche Scientifique | 11023 |
58 |
| Rolls-Royce High Temperature Composites, Inc. | 136 |
51 |
| Safran Aircraft Engines | 6694 |
45 |
| IHI Corporation | 3535 |
42 |
| Nichias Corporation | 402 |
25 |
| Universite de Bordeaux | 934 |
24 |
| Siemens AG | 24029 |
21 |
| Ibiden Co., Ltd. | 1665 |
21 |
| Herakles | 153 |
20 |
| Pallidus, Inc. | 38 |
20 |
| SAFRAN S.A. | 791 |
18 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11123 |
18 |
| Tosoh Corporation | 1417 |
16 |
| Goodrich Corporation | 2182 |
15 |
| GE Infrastructure Technology, LLC | 6171 |
15 |
| Safran Nacelles | 798 |
13 |
| Other owners | 793 |