- 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: 111
10-year publication summary
|
11
|
11
|
9
|
13
|
9
|
1
|
4
|
8
|
5
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Stora Enso Oyj | 1661 |
19 |
| Arkema France | 4177 |
5 |
| Innventia AB | 35 |
5 |
| University of Limerick | 194 |
5 |
| Centre National de La Recherche Scientifique | 10632 |
4 |
| RISE Innventia AB | 17 |
4 |
| GrafTech International Holdings Inc. | 112 |
3 |
| Imperial College Innovations Limited | 601 |
3 |
| The Texas a & M University System | 1756 |
3 |
| Toho Tenax Europe GmbH | 27 |
3 |
| Valmet AB | 519 |
3 |
| Centrotherm International AG | 65 |
3 |
| Idemitsu Kosan Co., Ltd. | 4243 |
2 |
| Agency for Science, Technology and Research | 3656 |
2 |
| North Carolina State University | 1579 |
2 |
| Suncoal Industries GmbH | 77 |
2 |
| Universidad de Malaga | 189 |
2 |
| University of Tennessee Research Foundation | 755 |
2 |
| UT-Battelle, LLC | 1471 |
2 |
| Weyerhaeuser NR Company | 330 |
2 |
| Other owners | 35 |