- All sections
- B - Performing operationstransporting
- B21K - Making forged or pressed metal products, e.g. horse-shoes, rivets, bolts or wheels
- B21K 1/40 - Making machine elements wheelsMaking machine elements discs hubs
Patent holdings for IPC class B21K 1/40
Total number of patents in this class: 47
10-year publication summary
|
3
|
3
|
5
|
3
|
7
|
1
|
6
|
3
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NSK Ltd. | 2791 |
17 |
| NTN Corporation | 4970 |
6 |
| CITIC Dicastal CO., LTD | 560 |
5 |
| Aktiebolaget SKF | 2976 |
4 |
| Lang XI You Liang Forging Alumunum Alloy Wheel Co., Ltd. | 2 |
2 |
| GM Global Technology Operations LLC | 15150 |
1 |
| Industrial Technology Research Institute | 5077 |
1 |
| Caterpillar Inc. | 9628 |
1 |
| JTEKT Corporation | 2517 |
1 |
| DT Swiss Inc. | 83 |
1 |
| ILJIN GLOBAL CO., LTD. a legal entity | 88 |
1 |
| J a e Enterprises, Inc. | 1 |
1 |
| MORI Iron Works Co., Ltd. | 1 |
1 |
| Neco Technology Industry Co., Ltd. | 3 |
1 |
| Neturen Co., Ltd. | 198 |
1 |
| Neumayer Tekfor Holding GmbH | 72 |
1 |
| Toyota Boshoku Kabushiki Kaisha | 1417 |
1 |
| Delta Wheels, LLC | 4 |
1 |
| Other owners | 0 |