- All sections
- B - Performing operationstransporting
- B65H - Handling thin or filamentary material, e.g. sheets, webs, cables
- B65H 57/22 - Guides for filamentary materialsSupports therefor adapted to prevent excessive ballooning of material
Patent holdings for IPC class B65H 57/22
Total number of patents in this class: 8
10-year publication summary
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0
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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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0
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0
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Merctech Pty Ltd | 21 |
2 |
| Murata Machinery, Ltd. | 1532 |
2 |
| National Oilwell Varco, L.P. | 1701 |
2 |
| Maschinenfabrik Rieter AG | 351 |
1 |
| SSM Schärer Schweiter Mettler AG | 58 |
1 |
| Other owners | 0 |