- All sections
- D - Textilespaper
- D01H - Spinning or twisting
- D01H 7/90 - Arrangements with two or more twisting devices in combination
Patent holdings for IPC class D01H 7/90
Total number of patents in this class: 3
10-year publication summary
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0
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0
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0
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1
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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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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
|
|---|---|---|
| Maschinenfabrik Rieter AG | 364 |
1 |
| Hicorp Machinery (Qingdao) Co., Ltd | 2 |
1 |
| Qingdao Hicorp Group Co., Ltd | 2 |
1 |
| Other owners | 0 |