- 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 8/04 - Conjugated, i.e. bi- or multicomponent, man-made filaments or the like; Manufacture thereof from synthetic polymers
Patent holdings for IPC class D01F 8/04
Total number of patents in this class: 381
10-year publication summary
|
21
|
20
|
35
|
22
|
34
|
39
|
21
|
28
|
18
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 6652 |
35 |
| 3m Innovative Properties Company | 18406 |
9 |
| BASF SE | 19740 |
8 |
| Stratasys, Inc. | 669 |
8 |
| Technion Research & Development Foundation Ltd. | 1167 |
6 |
| Aladdin Manufacturing Corporation | 194 |
5 |
| ES FiberVisions ApS | 39 |
5 |
| ES FiberVisions Co., Ltd. | 41 |
5 |
| ES FiberVisions LP | 43 |
5 |
| Octet Medical, Inc. | 26 |
5 |
| The Procter & Gamble Company | 22178 |
4 |
| The United States of America as represented by the Secretary of the Army | 1195 |
4 |
| e Ink Corporation | 1411 |
4 |
| INVISTA Technologies S.a.r.l. | 450 |
4 |
| Teijin Fibers Limited | 66 |
4 |
| Toray Monofilament Co., Ltd. | 17 |
4 |
| U.S. Bank National Association | 728 |
4 |
| Evonik Operations GmbH | 3879 |
4 |
| E. I. du Pont de Nemours and Company | 4345 |
3 |
| The Boeing Company | 19843 |
3 |
| Other owners | 252 |