- 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 8/04 - Conjugated, i.e. bi- or multicomponent, man-made filaments or the likeManufacture thereof from synthetic polymers
Patent holdings for IPC class D01F 8/04
Total number of patents in this class: 388
10-year publication summary
|
20
|
30
|
20
|
33
|
34
|
21
|
26
|
18
|
16
|
12
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 7006 |
37 |
| Stratasys, Inc. | 807 |
11 |
| 3m Innovative Properties Company | 17762 |
9 |
| BASF SE | 21036 |
7 |
| Technion Research & Development Foundation Ltd. | 1231 |
6 |
| The Procter & Gamble Company | 21996 |
5 |
| Aladdin Manufacturing Corporation | 225 |
5 |
| ES FiberVisions ApS | 37 |
5 |
| ES FiberVisions Co., Ltd. | 39 |
5 |
| ES FiberVisions LP | 40 |
5 |
| Octet Medical, Inc. | 32 |
5 |
| The United States of America as represented by the Secretary of the Army | 1221 |
4 |
| e Ink Corporation | 1515 |
4 |
| INVISTA Technologies S.a.r.l. | 411 |
4 |
| Toray Fibers & Textiles Research Laboratories (China) Co., Ltd. | 90 |
4 |
| Toray Monofilament Co., Ltd. | 17 |
4 |
| U.S. Bank National Association | 726 |
4 |
| Evonik Operations GmbH | 4178 |
4 |
| E. I. du Pont de Nemours and Company | 3973 |
3 |
| The Boeing Company | 20139 |
3 |
| Other owners | 254 |