- 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: 10
10-year publication summary
|
1
|
0
|
4
|
2
|
0
|
0
|
0
|
0
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| U.S. Tsubaki Holdings, Inc. | 85 |
2 |
| Toyota Motor Corporation | 34094 |
1 |
| Bayerische Motoren Werke Aktiengesellschaft | 14902 |
1 |
| Daido Kogyo Co., Ltd. | 92 |
1 |
| iwis motorsysteme GmbH & Co. KG | 115 |
1 |
| U.S. Tsubaki, Inc. | 10 |
1 |
| Webster Industries, Inc. | 16 |
1 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6114 |
1 |
| Oregon Tool, Inc. | 285 |
1 |
| Other owners | 0 |