- 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 9/15 - Bending tubes using mandrels or the like using filling material of indefinite shape, e.g. sand, plastic material
Patent holdings for IPC class B21D 9/15
Total number of patents in this class: 24
10-year publication summary
|
0
|
2
|
2
|
1
|
2
|
1
|
3
|
1
|
0
|
0
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Magna International Inc. | 1236 |
3 |
| The Boeing Company | 19843 |
2 |
| GM Global Technology Operations LLC | 13620 |
2 |
| Carl Zeiss SMT GmbH | 2646 |
2 |
| Dalian University of Technology | 1387 |
2 |
| General Motors Corporation | 135 |
1 |
| Ford Global Technologies, LLC | 19702 |
1 |
| Aquaform, Inc. | 1 |
1 |
| Central Iron and Steel Research Institute | 20 |
1 |
| Endress+Hauser Flowtec AG | 794 |
1 |
| FMC Technologies, Inc. | 603 |
1 |
| Metalsa S. A. de C.V. | 1 |
1 |
| National Research Council of Canada | 1545 |
1 |
| Nippon Steel Corporation | 5649 |
1 |
| Wobben Properties GmbH | 1207 |
1 |
| Yanshan University | 130 |
1 |
| Nanchang Hangkong University (NCHU) | 2 |
1 |
| Connaught Technologies Limited | 2 |
1 |
| Other owners | 0 |