- All sections
- D - Textilespaper
- D01H - Spinning or twisting
- D01H 4/00 - 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
Patent holdings for IPC class D01H 4/00
Total number of patents in this class: 14
10-year publication summary
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Elmarco s.r.o. | 53 |
2 |
| Oerlikon Textile GmbH & Co. KG | 512 |
2 |
| Arvind Limited | 24 |
1 |
| ConvaTec Technologies Inc. | 256 |
1 |
| Eastman Chemical Company | 2087 |
1 |
| Milliken & Company | 1147 |
1 |
| Teijin Aramid B.V. | 168 |
1 |
| Bahçesehir Üniversitesi | 91 |
1 |
| Menderes Tekstil San. ve Tic. a.s | 7 |
1 |
| Amsler Tex AG | 8 |
1 |
| CoreTek Fibers Ltd. | 1 |
1 |
| Everett B. Saslow, Jr., solely in HIS Capacity AS Trustee of The Bankruptcy Estate of Debtor Enova Textiles LLC, a North Carolina Limited Liability Company | 2 |
1 |
| Other owners | 0 |