- All sections
- B - Performing operationstransporting
- B21L - Making metal chains
- B21L 9/02 - Making chains or chain links, the links being composed of two or more different parts, e.g. drive chains of roller-chain or other plate-link type
Patent holdings for IPC class B21L 9/02
Total number of patents in this class: 9
10-year publication summary
|
1
|
1
|
0
|
4
|
2
|
0
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0
|
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
|
|---|---|---|
| U.S. Tsubaki Holdings, Inc. | 88 |
2 |
| Toyota Motor Corporation | 32331 |
1 |
| Bayerische Motoren Werke Aktiengesellschaft | 14394 |
1 |
| Daido Kogyo Co., Ltd. | 88 |
1 |
| iwis motorsysteme GmbH & Co. KG | 121 |
1 |
| U.S. Tsubaki, Inc. | 10 |
1 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6112 |
1 |
| Oregon Tool, Inc. | 286 |
1 |
| Other owners | 0 |