- All sections
- B - Performing operations; transporting
- B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing material; punching 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: 215
10-year publication summary
|
19
|
14
|
15
|
17
|
13
|
8
|
4
|
3
|
6
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ThyssenKrupp Presta Teccenter AG | 241 |
24 |
| MAHLE International GmbH | 2670 |
11 |
| Neumayer Tekfor Holding GmbH | 76 |
6 |
| Schaeffler Technologies AG & Co. KG | 8880 |
5 |
| ThyssenKrupp AG | 3086 |
5 |
| Honda Motor Co., Ltd. | 24537 |
4 |
| GE Infrastructure Technology, LLC | 5873 |
4 |
| Neumayer Tekfor Engineering GmbH | 57 |
4 |
| Eaton Intelligent Power Limited | 6113 |
4 |
| Daimler AG | 3462 |
3 |
| C.R.F. Societa Consortile per Azioni | 395 |
3 |
| Cummins Inc. | 2369 |
3 |
| Federal-Mogul Valvetrain GmbH | 60 |
3 |
| Otics Corporation | 57 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
2 |
| Caterpillar Inc. | 8877 |
2 |
| Hyundai Motor Company | 19021 |
2 |
| Rolls-Royce PLC | 2944 |
2 |
| Dana Automotive Systems Group, LLC | 395 |
2 |
| Fuji Oozx Inc. | 24 |
2 |
| Other owners | 121 |