- All sections
- D - Textiles; paper
- D01F - Chemical features in the manufacture of man-made filaments, threads, fibres, bristles or ribbons; apparatus specially adapted for the manufacture of carbon filaments
- D01F 4/00 - Monocomponent artificial filaments or the like of proteins; Manufacture thereof
Patent holdings for IPC class D01F 4/00
Total number of patents in this class: 260
10-year publication summary
|
15
|
25
|
24
|
25
|
25
|
21
|
9
|
19
|
16
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Spiber Inc. | 297 |
20 |
| Bolt Threads, Inc. | 159 |
17 |
| Modern Meadow, Inc. | 103 |
17 |
| Kaneka Corporation | 4497 |
15 |
| The Procter & Gamble Company | 22151 |
8 |
| Embody Inc. | 52 |
7 |
| Seevix Material Sciences Ltd. | 24 |
6 |
| Kojima Industries Corporation | 103 |
5 |
| MiMedx Group, Inc. | 209 |
5 |
| Kao Corporation | 4914 |
4 |
| Spinnova Oy | 27 |
4 |
| Amsilk GmbH | 94 |
3 |
| Case Western Reserve University | 1772 |
3 |
| Drexel University | 972 |
3 |
| Trustees of Tufts College | 818 |
3 |
| Wake Forest University Health Sciences | 716 |
3 |
| ECCO Sko A/S | 446 |
3 |
| The Johns Hopkins University | 5529 |
2 |
| President and Fellows of Harvard College | 5911 |
2 |
| CollPlant Ltd. | 47 |
2 |
| Other owners | 128 |