- 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: 44
10-year publication summary
|
1
|
2
|
6
|
3
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5
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7
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4
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1
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2
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| AVINTIV Specialty Materials Inc. | 74 |
3 |
| Apple Inc. | 52750 |
2 |
| Free Form Fibers, LLC | 39 |
2 |
| IREMA-FILTER GmbH | 23 |
2 |
| ITV Denkendorf Produktservice GmbH | 11 |
2 |
| Rensselaer Polytechnic Institute | 804 |
2 |
| Ip2ipo Innovations Limited | 164 |
2 |
| Setex Technologies, Inc. | 30 |
2 |
| Baker Hughes Incorporated | 5504 |
1 |
| 3m Innovative Properties Company | 17957 |
1 |
| Covidien LP | 10645 |
1 |
| ATEX Technologies, Inc. | 52 |
1 |
| Berk-tek LLC | 75 |
1 |
| Eth Zurich | 1253 |
1 |
| Fresenius Medical Care Deutschland GmbH | 2124 |
1 |
| INVISTA North America S.a.r.l. | 177 |
1 |
| Kureha Corporation | 1026 |
1 |
| Lenzing Aktiengesellschaft | 523 |
1 |
| Nanogriptech, Inc. | 10 |
1 |
| Nanyang Technological University | 1893 |
1 |
| Other owners | 15 |