- 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 11/22 - Auxiliary equipment, e.g. positioning devices
Patent holdings for IPC class B21D 11/22
Total number of patents in this class: 55
10-year publication summary
|
6
|
5
|
5
|
6
|
6
|
7
|
4
|
7
|
3
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ford Global Technologies, LLC | 19702 |
4 |
| Greenlee Tools, Inc. | 208 |
4 |
| BLM S.p.A. | 21 |
2 |
| Bulle, Marshall R. | 3 |
2 |
| Klingenburg GmbH | 28 |
2 |
| M.E.P. Macchine Elettroniche Piegatrici SpA | 84 |
2 |
| Guangzhou Minhui Automobile Parts Co., Ltd. | 28 |
2 |
| GM Global Technology Operations LLC | 13620 |
1 |
| Rolls-Royce PLC | 2944 |
1 |
| The United States of America as represented by the Secretary of the Army | 1195 |
1 |
| Alum-a-pole | 1 |
1 |
| Amada Europe | 2 |
1 |
| Bystronic Laser AG | 256 |
1 |
| Goertek Inc. | 2477 |
1 |
| Harbin Institute of Technology | 356 |
1 |
| Jinwoong Technology Co., Ltd. | 10 |
1 |
| Kobe Steel, Ltd. | 912 |
1 |
| Linde Aktiengesellschaft | 1600 |
1 |
| Marshall, Joseph T. | 5 |
1 |
| OES, Inc. | 16 |
1 |
| Other owners | 24 |