- All sections
- C - Chemistry; metallurgy
- C04B - Lime; magnesia; slag; cements; compositions thereof, e.g. mortars, concrete or like building materials; artificial stone; ceramics; refractories; treatment 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: 1537
10-year publication summary
|
61
|
127
|
123
|
153
|
174
|
104
|
103
|
100
|
136
|
40
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Safran Ceramics | 366 |
131 |
| Rtx Corporation | 8674 |
122 |
| General Electric Company | 18133 |
100 |
| Rolls-Royce Corporation | 1686 |
67 |
| Centre National de La Recherche Scientifique | 9632 |
52 |
| Rolls-Royce High Temperature Composites, Inc. | 129 |
51 |
| Safran Aircraft Engines | 5739 |
40 |
| IHI Corporation | 3268 |
37 |
| Nichias Corporation | 386 |
25 |
| Ibiden Co., Ltd. | 1724 |
23 |
| Herakles | 169 |
23 |
| Siemens AG | 24990 |
21 |
| SAFRAN S.A. | 518 |
20 |
| Universite de Bordeaux | 778 |
19 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
16 |
| GE Infrastructure Technology, LLC | 5873 |
15 |
| Pallidus, Inc. | 33 |
15 |
| Goodrich Corporation | 2081 |
13 |
| Safran Nacelles | 587 |
13 |
| Rolls-Royce North American Technologies, Inc. | 1079 |
12 |
| Other owners | 722 |