- All sections
- B - Performing operationstransporting
- B21K - Making forged or pressed metal products, e.g. horse-shoes, rivets, bolts or wheels
- B21K 1/12 - Making machine elements axles or shafts of specially-shaped cross-section
Patent holdings for IPC class B21K 1/12
Total number of patents in this class: 70
10-year publication summary
|
4
|
5
|
11
|
5
|
8
|
3
|
1
|
1
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Neturen Co., Ltd. | 198 |
7 |
| NSK Ltd. | 2777 |
5 |
| Nippon Steel & Sumitomo Metal Corporation | 1988 |
4 |
| Steering Solutions IP Holding Corporation | 920 |
4 |
| Nippon Steel Corporation | 6238 |
3 |
| ArcelorMittal Tubular Products Canada G.P. | 11 |
3 |
| Honda Motor Co., Ltd. | 25251 |
2 |
| Robert Bosch GmbH | 42689 |
2 |
| Showa Denko K.K. | 2230 |
2 |
| Bharat Forge Ltd. | 35 |
2 |
| U.S. Manufacturing Corporation | 8 |
2 |
| Neumayer Tekfor Engineering GmbH | 52 |
2 |
| Hitachi Metals, Ltd. | 1982 |
1 |
| Caterpillar Inc. | 9548 |
1 |
| Hyundai Motor Company | 21987 |
1 |
| Bayerische Motoren Werke Aktiengesellschaft | 14379 |
1 |
| Aisin AW Co., Ltd. | 2327 |
1 |
| American Axle & Manufacturing, Inc. | 650 |
1 |
| CDP Bharat Forge GmbH | 1 |
1 |
| CDP Bharat Forge GmbH | 2 |
1 |
| Other owners | 24 |