- 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: 1700
10-year publication summary
|
102
|
136
|
157
|
102
|
105
|
104
|
135
|
102
|
107
|
27
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 9831 |
184 |
| Safran Ceramics | 421 |
145 |
| General Electric Company | 13811 |
115 |
| Rolls-Royce Corporation | 1680 |
67 |
| Centre National de La Recherche Scientifique | 10846 |
55 |
| Rolls-Royce High Temperature Composites, Inc. | 134 |
50 |
| Safran Aircraft Engines | 6511 |
45 |
| IHI Corporation | 3514 |
39 |
| Nichias Corporation | 399 |
25 |
| Universite de Bordeaux | 911 |
22 |
| Siemens AG | 24237 |
21 |
| Ibiden Co., Ltd. | 1681 |
21 |
| Herakles | 154 |
20 |
| SAFRAN S.A. | 638 |
19 |
| Pallidus, Inc. | 35 |
19 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10975 |
18 |
| Goodrich Corporation | 2172 |
15 |
| GE Infrastructure Technology, LLC | 6214 |
15 |
| Safran Nacelles | 758 |
13 |
| Tosoh Corporation | 1384 |
13 |
| Other owners | 779 |