- 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 25/02 - Working sheet metal of limited length by stretching, e.g. for straightening by pulling over a die
Patent holdings for IPC class B21D 25/02
Total number of patents in this class: 36
10-year publication summary
|
4
|
6
|
5
|
5
|
1
|
2
|
1
|
1
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rohr, Inc. | 653 |
4 |
| University of Ulster | 133 |
4 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
2 |
| Short Brothers plc | 75 |
2 |
| GIW Verwaltungs- und Vertriebs GmbH | 7 |
2 |
| Robo Helix Pty Limited | 3 |
2 |
| Tirnaform Limited | 2 |
2 |
| The Boeing Company | 19843 |
1 |
| Nissan Motor Co., Ltd. | 12249 |
1 |
| The United States of America as represented by the Secretary of the Navy | 2734 |
1 |
| FCA US LLC | 2755 |
1 |
| AIDA Engineering, Ltd. | 127 |
1 |
| Apogee RMS Ltd | 1 |
1 |
| Carl Freudenberg KG | 1346 |
1 |
| Cyril Bath Company | 20 |
1 |
| Fill Gesellschaft m.b.H. | 122 |
1 |
| Steel Flower Co., Ltd. | 3 |
1 |
| Steel Life Co., Ltd. | 2 |
1 |
| ThyssenKrupp System Engineering GmbH | 109 |
1 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 2856 |
1 |
| Other owners | 5 |