- All sections
- B - Performing operations; transporting
- 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
|
0
|
1
|
1
|
0
|
4
|
2
|
0
|
0
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| U.S. Tsubaki Holdings, Inc. | 61 |
2 |
| Toyota Motor Corporation | 28582 |
1 |
| Bayerische Motoren Werke Aktiengesellschaft | 13126 |
1 |
| JTEKT Corporation | 2423 |
1 |
| Daido Kogyo Co., Ltd. | 88 |
1 |
| iwis motorsysteme GmbH & Co. KG | 124 |
1 |
| U.S. Tsubaki, Inc. | 19 |
1 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6132 |
1 |
| Oregon Tool, Inc. | 284 |
1 |
| Other owners | 0 |