- All sections
- D - Textilespaper
- D01H - Spinning or twisting
- D01H 4/28 - Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from sliversPiecing arrangements thereforCovering endless core threads with fibres by open-end spinning techniques using electrostatic fields
Patent holdings for IPC class D01H 4/28
Total number of patents in this class: 6
10-year publication summary
|
1
|
1
|
3
|
0
|
0
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1
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0
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0
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0
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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
|
|---|---|---|
| Board of Regents, The University of Texas System | 5917 |
1 |
| Leibniz-institut fur Neue Materialien Gemeinnutzige GmbH | 108 |
1 |
| Technicka Univerzita V Liberci | 66 |
1 |
| University of Central Oklahoma | 48 |
1 |
| The Board of Regents of the University of Texas System | 2231 |
1 |
| Nanoshields Technology Limited | 5 |
1 |
| Other owners | 0 |