- All sections
- D - Textilespaper
- D01H - Spinning or twisting
- D01H 4/50 - Piecing arrangementsControl therefor for rotor spinning
Patent holdings for IPC class D01H 4/50
Total number of patents in this class: 21
10-year publication summary
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1
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3
|
1
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4
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1
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1
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1
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1
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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 |
7 |
| Saurer Spinning Solutions GmbH & Co. KG | 159 |
5 |
| Spindelfabrik Suessen GmbH | 36 |
4 |
| Oerlikon Textile GmbH & Co. KG | 602 |
2 |
| Lakshmi Machine Works Limited | 16 |
1 |
| Rieter CZ A.S. | 2 |
1 |
| Saurer Intelligent Technology AG | 57 |
1 |
| Other owners | 0 |