- All sections
- B - Performing operationstransporting
- B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing materialpunching metal
- B21D 53/28 - Making other particular articles wheels or the like gear wheels
Patent holdings for IPC class B21D 53/28
Total number of patents in this class: 130
10-year publication summary
|
10
|
14
|
6
|
7
|
3
|
3
|
5
|
3
|
2
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Aisin AW Co., Ltd. | 2333 |
12 |
| Magna Powertrain Inc. | 112 |
8 |
| Ernst Grob AG | 20 |
7 |
| Feintool International Holding AG | 97 |
6 |
| ZF Friedrichshafen AG | 7137 |
4 |
| WEBO Werkzeugbau Oberschwaben GmbH | 13 |
4 |
| JTEKT Corporation | 2492 |
3 |
| American Axle & Manufacturing, Inc. | 653 |
3 |
| Nippon Steel Corporation | 6195 |
3 |
| Metal Forming & Coining, LLC | 17 |
3 |
| Toyota Motor Corporation | 31693 |
2 |
| The Boeing Company | 20031 |
2 |
| Daimler AG | 3402 |
2 |
| Schaeffler Technologies AG & Co. KG | 9802 |
2 |
| Gates Corporation | 1156 |
2 |
| Harmonic Drive Systems Inc. | 473 |
2 |
| Magna Powertrain of America, Inc. | 100 |
2 |
| Metal Forming & Coining Corporation | 8 |
2 |
| Nippon Steel & Sumitomo Metal Corporation | 1988 |
2 |
| NPC Robotics Corporation | 12 |
2 |
| Other owners | 57 |