- All sections
- B - Performing operationstransporting
- B21L - Making metal chains
- B21L 3/00 - Making chains or chain links by bending the chain links or link parts and subsequently welding or soldering the abutting ends
Patent holdings for IPC class B21L 3/00
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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1
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1
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0
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1
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| James Avery Craftsman, Inc. | 29 |
2 |
| Pewag Austria GmbH | 90 |
2 |
| Caterpillar Inc. | 9558 |
1 |
| Technische Universitat Graz | 125 |
1 |
| Thiele GmbH & Co. KG | 80 |
1 |
| Ombi S.r.l. | 4 |
1 |
| Other owners | 0 |