- All sections
- D - Textilespaper
- 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: 46
10-year publication summary
|
2
|
6
|
3
|
5
|
7
|
5
|
1
|
2
|
2
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| AVINTIV Specialty Materials Inc. | 74 |
3 |
| Rensselaer Polytechnic Institute | 848 |
3 |
| Apple Inc. | 57989 |
2 |
| ATEX Technologies, Inc. | 54 |
2 |
| Free Form Fibers, LLC | 39 |
2 |
| IREMA-FILTER GmbH | 26 |
2 |
| ITV Denkendorf Produktservice GmbH | 11 |
2 |
| Ip2ipo Innovations Limited | 166 |
2 |
| Setex Technologies, Inc. | 40 |
2 |
| Baker Hughes Incorporated | 5057 |
1 |
| 3m Innovative Properties Company | 17536 |
1 |
| Covidien LP | 10656 |
1 |
| Eth Zurich | 1313 |
1 |
| Fresenius Medical Care Deutschland GmbH | 2212 |
1 |
| INVISTA North America S.a.r.l. | 176 |
1 |
| Kureha Corporation | 1047 |
1 |
| Lenzing Aktiengesellschaft | 512 |
1 |
| Nanogriptech, Inc. | 10 |
1 |
| Nanyang Technological University | 2143 |
1 |
| Parkdale Incorporated | 26 |
1 |
| Other owners | 15 |