- All sections
- B - Performing operationstransporting
- B21K - Making forged or pressed metal products, e.g. horse-shoes, rivets, bolts or wheels
- B21K 1/06 - Making machine elements axles or shafts
Patent holdings for IPC class B21K 1/06
Total number of patents in this class: 140
10-year publication summary
|
17
|
15
|
11
|
12
|
11
|
14
|
2
|
2
|
8
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| American Axle & Manufacturing, Inc. | 633 |
8 |
| NSK Ltd. | 2840 |
5 |
| Felss Systems GmbH | 24 |
5 |
| Safran Aircraft Engines | 6727 |
5 |
| ThyssenKrupp AG | 3353 |
5 |
| Zenkung Heavy Industry (Jiangsu) Co., Ltd. | 8 |
5 |
| NTN Corporation | 4925 |
4 |
| ILJIN Steel Corporation | 7 |
4 |
| Aubert & Duval | 109 |
3 |
| Steyr Mannlicher GmbH | 16 |
3 |
| Winkelmann Powertrain Components GmbH & Co. KG | 22 |
3 |
| AAM North America, Inc. | 5 |
3 |
| Hyundai Motor Company | 24808 |
2 |
| ZF Friedrichshafen AG | 7259 |
2 |
| Aesculap AG | 1452 |
2 |
| Hirschvogel Umformtechnik GmbH | 16 |
2 |
| Magna Powertrain GmbH & Co KG | 358 |
2 |
| NHK Spring Co., Ltd. | 1992 |
2 |
| Steering Solutions IP Holding Corporation | 977 |
2 |
| Tata Steel Limited | 166 |
2 |
| Other owners | 71 |