- All sections
- B - Performing operationstransporting
- B21K - Making forged or pressed metal products, e.g. horse-shoes, rivets, bolts or wheels
- B21K 1/30 - Making machine elements wheelsMaking machine elements discs with gear-teeth
Patent holdings for IPC class B21K 1/30
Total number of patents in this class: 196
10-year publication summary
|
18
|
18
|
10
|
10
|
13
|
9
|
6
|
2
|
5
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NSK Ltd. | 2817 |
9 |
| American Axle & Manufacturing, Inc. | 650 |
9 |
| Aktiebolaget SKF | 3025 |
8 |
| Aisin AW Co., Ltd. | 2296 |
7 |
| Toyota Motor Corporation | 33664 |
6 |
| Schaeffler Technologies AG & Co. KG | 10418 |
5 |
| Eaton Capital | 9 |
5 |
| Miba Sinter Austria GmbH | 103 |
5 |
| ZF Friedrichshafen AG | 7184 |
4 |
| NTN Corporation | 4952 |
4 |
| Ernst Grob AG | 19 |
4 |
| GKN Sinter Metals, LLC | 109 |
4 |
| Magna Powertrain Inc. | 111 |
4 |
| Musashi Seimitsu Industry Co., Ltd. | 191 |
4 |
| Steering Solutions IP Holding Corporation | 949 |
4 |
| Neumayer Tekfor Engineering GmbH | 49 |
4 |
| Komatsu Ltd. | 4629 |
3 |
| Nippon Steel Corporation | 6544 |
3 |
| PMG Asturias Powder Metal S.A.U. | 5 |
3 |
| Schuler Cartec GmbH & Co. KG | 4 |
3 |
| Other owners | 98 |