- All sections
- D - Textilespaper
- D01F - Chemical features in the manufacture of man-made filaments, threads, fibres, bristles or ribbonsapparatus specially adapted for the manufacture of carbon filaments
- D01F 9/17 - Carbon filamentsApparatus specially adapted for the manufacture thereof by decomposition of organic filaments from products of vegetable origin or derivatives thereof, e.g. from cellulose acetat from lignin
Patent holdings for IPC class D01F 9/17
Total number of patents in this class: 115
10-year publication summary
|
11
|
9
|
13
|
9
|
1
|
4
|
8
|
5
|
6
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Stora Enso Oyj | 1655 |
19 |
| University of Limerick | 196 |
6 |
| Arkema France | 4173 |
5 |
| Innventia AB | 34 |
5 |
| Centre National de La Recherche Scientifique | 10763 |
4 |
| Imperial College Innovations Limited | 618 |
4 |
| RISE Innventia AB | 17 |
4 |
| GrafTech International Holdings Inc. | 111 |
3 |
| North Carolina State University | 1578 |
3 |
| The Texas a & M University System | 1790 |
3 |
| Toho Tenax Europe GmbH | 25 |
3 |
| Valmet AB | 530 |
3 |
| Centrotherm International AG | 65 |
3 |
| Idemitsu Kosan Co., Ltd. | 4236 |
2 |
| Agency for Science, Technology and Research | 3660 |
2 |
| Suncoal Industries GmbH | 78 |
2 |
| Universidad de Malaga | 190 |
2 |
| University of Tennessee Research Foundation | 755 |
2 |
| UT-Battelle, LLC | 1485 |
2 |
| Weyerhaeuser NR Company | 323 |
2 |
| Other owners | 36 |