- 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: 41
10-year publication summary
|
1
|
3
|
6
|
2
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4
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4
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5
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3
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0
|
1
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| 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 | 4311 |
2 |
| Cornell University | 3272 |
2 |
| Drexel University | 982 |
2 |
| Hanwha Azdel, Inc. | 104 |
2 |
| University of Pittsburgh - Of the Commonwealth System of Higher Education | 3115 |
2 |
| UT-Battelle, LLC | 1444 |
2 |
| Refoamed Sp. z o.o. | 2 |
2 |
| E. I. du Pont de Nemours and Company | 4131 |
1 |
| Canon Inc. | 39268 |
1 |
| Toshiba Corporation | 12264 |
1 |
| California Institute of Technology | 3958 |
1 |
| Albany International Corp. | 255 |
1 |
| Christian-albrechts-universitat zu Kiel | 232 |
1 |
| Dols Industrial de Peluquería, S.A. | 22 |
1 |
| Donghua University | 69 |
1 |
| Duvaltex, Inc. | 30 |
1 |
| The Hong Kong Polytechnic University | 461 |
1 |
| InnoVision Headwear Inc. | 11 |
1 |
| MonoSol, LLC | 235 |
1 |
| National University of Singapore | 2419 |
1 |
| Other owners | 14 |