- All sections
- B - Performing operationstransporting
- B21K - Making forged or pressed metal products, e.g. horse-shoes, rivets, bolts or wheels
- B21K 1/05 - Making machine elements cages for bearings
Patent holdings for IPC class B21K 1/05
Total number of patents in this class: 40
10-year publication summary
|
1
|
1
|
2
|
8
|
3
|
1
|
2
|
0
|
0
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NSK Ltd. | 2738 |
21 |
| JTEKT Corporation | 2455 |
8 |
| NTN Corporation | 4977 |
7 |
| THK Co., Ltd. | 1212 |
2 |
| JFE Steel Corporation | 6629 |
1 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13012 |
1 |
| Other owners | 0 |