- All sections
- D - Textiles; paper
- D01D - Mechanical methods or apparatus in the manufacture of man-made filaments, threads, fibres, bristles or ribbons
- D01D 5/20 - Formation of filaments, threads, or the like with varying denier along their length
Patent holdings for IPC class D01D 5/20
Total number of patents in this class: 47
10-year publication summary
|
5
|
1
|
2
|
6
|
3
|
5
|
7
|
4
|
1
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| AVINTIV Specialty Materials Inc. | 74 |
3 |
| Apple Inc. | 50209 |
2 |
| Free Form Fibers, LLC | 38 |
2 |
| IREMA-FILTER GmbH | 23 |
2 |
| ITV Denkendorf Produktservice GmbH | 11 |
2 |
| Rensselaer Polytechnic Institute | 776 |
2 |
| Ip2ipo Innovations Limited | 164 |
2 |
| Setex Technologies, Inc. | 26 |
2 |
| Baker Hughes Incorporated | 5689 |
1 |
| 3m Innovative Properties Company | 18406 |
1 |
| Covidien LP | 10647 |
1 |
| ATEX Technologies, Inc. | 49 |
1 |
| Berk-tek LLC | 76 |
1 |
| Eth Zurich | 1193 |
1 |
| Fresenius Medical Care Deutschland GmbH | 2100 |
1 |
| INVISTA North America S.a.r.l. | 182 |
1 |
| Kureha Corporation | 1026 |
1 |
| Lenzing Aktiengesellschaft | 529 |
1 |
| Nanogriptech, Inc. | 10 |
1 |
| Nanyang Technological University | 1739 |
1 |
| Other owners | 18 |