- 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 9/32 - Apparatus therefor
Patent holdings for IPC class D01F 9/32
Total number of patents in this class: 161
10-year publication summary
|
15
|
24
|
10
|
15
|
14
|
8
|
7
|
10
|
4
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 7033 |
20 |
| Mitsubishi Chemical Corporation | 4683 |
11 |
| Mitsubishi Rayon Co., Ltd. | 871 |
9 |
| ONEJOON GmbH | 34 |
9 |
| Illinois Tool Works Inc. | 11713 |
7 |
| Eisenmann SE | 146 |
7 |
| Toho Tenax Co., Ltd. | 45 |
6 |
| Bayerische Motoren Werke Aktiengesellschaft | 14955 |
5 |
| M.a.e. S.p.A. | 19 |
5 |
| ExxonMobil Technology and Engineering Company | 1259 |
5 |
| LG Chem, Ltd. | 17810 |
4 |
| Eisenmann AG | 98 |
4 |
| Hexcel Corporation | 298 |
4 |
| Teijin Limited | 1261 |
4 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6114 |
4 |
| Cytec Industries Inc. | 398 |
3 |
| Despatch Industries Limited Partnership, Despatch GP, LLC, a Minnesota LLC; Despatch Industries, LLC, a Minnesota LLC | 8 |
3 |
| The Boeing Company | 20102 |
2 |
| National Institute of Advanced Industrial Science and Technology | 3795 |
2 |
| Clariant International Ltd. | 899 |
2 |
| Other owners | 45 |