- All sections
- B - Performing operationstransporting
- B65H - Handling thin or filamentary material, e.g. sheets, webs, cables
- B65H 57/10 - Annular guiding surfacesEyes, e.g. pigtails with flared apertures
Patent holdings for IPC class B65H 57/10
Total number of patents in this class: 3
10-year publication summary
|
0
|
2
|
0
|
3
|
1
|
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
|
|---|---|---|
| Rolls-Royce Canada, Ltd. | 12 |
2 |
| Hara Corporation | 2 |
1 |
| Other owners | 0 |