- 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 8/12 - Conjugated, i.e. bi- or multicomponent, man-made filaments or the like; Manufacture thereof from synthetic polymers with at least one polyamide as constituent
Patent holdings for IPC class D01F 8/12
Total number of patents in this class: 284
10-year publication summary
|
25
|
12
|
25
|
25
|
28
|
25
|
23
|
40
|
29
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toray Industries, Inc. | 6652 |
29 |
| Kaneka Corporation | 4445 |
15 |
| Polytex Sportbeläge Produktions-GmbH | 84 |
9 |
| KB Seiren, Ltd. | 99 |
8 |
| Kuraray Co., Ltd. | 3392 |
6 |
| Puritan Medical Products Company LLC | 52 |
6 |
| BASF SE | 19740 |
5 |
| E. I. du Pont de Nemours and Company | 4345 |
5 |
| Aderans Company Limited | 231 |
5 |
| Brrr! Incorporated | 25 |
5 |
| Speed France SAS | 78 |
5 |
| Stratasys, Inc. | 669 |
5 |
| Teijin Frontier Co., Ltd. | 182 |
5 |
| DuPont Safety & Construction, Inc. | 676 |
5 |
| Kuraray Trading Co., Ltd. | 33 |
4 |
| QED Labs Inc. | 19 |
4 |
| Evonik Operations GmbH | 3879 |
4 |
| Dow Global Technologies LLC | 10147 |
3 |
| The United States of America as represented by the Secretary of the Army | 1195 |
3 |
| Ascend Performance Materials Operations LLC | 260 |
3 |
| Other owners | 150 |