- All sections
- B - Performing operationstransporting
- B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing materialpunching metal
- B21D 53/84 - Making other particular articles other parts for engines, e.g. connecting-rods
Patent holdings for IPC class B21D 53/84
Total number of patents in this class: 181
10-year publication summary
|
15
|
17
|
13
|
8
|
4
|
3
|
6
|
3
|
3
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ThyssenKrupp Presta Teccenter AG | 227 |
24 |
| MAHLE International GmbH | 2911 |
9 |
| Schaeffler Technologies AG & Co. KG | 10948 |
5 |
| Neumayer Tekfor Holding GmbH | 69 |
5 |
| ThyssenKrupp AG | 3423 |
5 |
| Cummins Inc. | 2631 |
4 |
| Eaton Intelligent Power Limited | 6236 |
4 |
| C.R.F. Societa Consortile per Azioni | 384 |
3 |
| Federal-Mogul Valvetrain GmbH | 62 |
3 |
| GE Infrastructure Technology, LLC | 6171 |
3 |
| Honda Motor Co., Ltd. | 26008 |
2 |
| Caterpillar Inc. | 10272 |
2 |
| Hyundai Motor Company | 24602 |
2 |
| Daimler AG | 2838 |
2 |
| Rolls-Royce PLC | 3219 |
2 |
| Dana Automotive Systems Group, LLC | 477 |
2 |
| Fuji Oozx Inc. | 23 |
2 |
| Fukai Seisakusho Co., Ltd. | 6 |
2 |
| GKN Sinter Metals Engineering GmbH | 115 |
2 |
| GWS Tube Forming Solutions Inc. | 11 |
2 |
| Other owners | 96 |