- 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 11/04 - Chemical after-treatment of man-made filaments or the like during manufacture of synthetic polymers
Patent holdings for IPC class D01F 11/04
Total number of patents in this class: 46
10-year publication summary
|
1
|
3
|
6
|
2
|
4
|
3
|
3
|
3
|
0
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Korea Advanced Institute of Science and Technology | 4467 |
2 |
| Albany International Corp. | 246 |
2 |
| Cornell University | 3361 |
2 |
| Drexel University | 1012 |
2 |
| Hanwha Azdel, Inc. | 112 |
2 |
| University of Pittsburgh - Of the Commonwealth System of Higher Education | 3216 |
2 |
| UT-Battelle, LLC | 1477 |
2 |
| Refoamed Sp. z o.o. | 2 |
2 |
| E. I. du Pont de Nemours and Company | 3885 |
1 |
| Canon Inc. | 41151 |
1 |
| Toshiba Corporation | 12547 |
1 |
| Hyundai Motor Company | 22842 |
1 |
| California Institute of Technology | 3999 |
1 |
| Christian-albrechts-universitat zu Kiel | 243 |
1 |
| Dols Industrial de Peluquería, S.A. | 21 |
1 |
| Donghua University | 74 |
1 |
| Duvaltex, Inc. | 34 |
1 |
| The Hong Kong Polytechnic University | 489 |
1 |
| InnoVision Headwear Inc. | 10 |
1 |
| IUCF-HYU (Industry-University Cooperation Foundation Hanyang University) | 1461 |
1 |
| Other owners | 18 |