- 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 4/00 - Monocomponent artificial filaments or the like of proteinsManufacture thereof
Patent holdings for IPC class D01F 4/00
Total number of patents in this class: 281
10-year publication summary
|
15
|
24
|
23
|
24
|
23
|
17
|
9
|
19
|
16
|
19
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Spiber Inc. | 301 |
19 |
| Bolt Threads, Inc. | 165 |
17 |
| Modern Meadow, Inc. | 97 |
16 |
| Kaneka Corporation | 4610 |
15 |
| Embody Inc. | 58 |
9 |
| The Procter & Gamble Company | 22003 |
8 |
| Seevix Material Sciences Ltd. | 23 |
6 |
| Kao Corporation | 4982 |
5 |
| Kojima Industries Corporation | 105 |
5 |
| MiMedx Group, Inc. | 207 |
5 |
| Spinnova Oy | 26 |
4 |
| Amsilk GmbH | 95 |
3 |
| Case Western Reserve University | 1841 |
3 |
| Drexel University | 1005 |
3 |
| NUtech Ventures | 341 |
3 |
| Trustees of Tufts College | 889 |
3 |
| Wake Forest University Health Sciences | 724 |
3 |
| ECCO Sko A/S | 444 |
3 |
| IP Ventures GmbH | 3 |
3 |
| Centre National de La Recherche Scientifique | 10576 |
2 |
| Other owners | 146 |