- 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: 1736
10-year publication summary
|
123
|
153
|
174
|
105
|
108
|
105
|
138
|
106
|
110
|
56
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 9966 |
193 |
| Safran Ceramics | 437 |
154 |
| General Electric Company | 13823 |
117 |
| Rolls-Royce Corporation | 1671 |
67 |
| Centre National de La Recherche Scientifique | 10922 |
58 |
| Rolls-Royce High Temperature Composites, Inc. | 136 |
51 |
| Safran Aircraft Engines | 6583 |
44 |
| IHI Corporation | 3528 |
40 |
| Nichias Corporation | 400 |
25 |
| Universite de Bordeaux | 921 |
24 |
| Siemens AG | 24122 |
21 |
| Ibiden Co., Ltd. | 1664 |
21 |
| Herakles | 154 |
20 |
| Pallidus, Inc. | 37 |
19 |
| SAFRAN S.A. | 646 |
18 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11034 |
18 |
| Goodrich Corporation | 2183 |
15 |
| GE Infrastructure Technology, LLC | 6180 |
15 |
| Tosoh Corporation | 1389 |
14 |
| Safran Nacelles | 779 |
13 |
| Other owners | 789 |