- All sections
- B - Performing operationstransporting
- B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing materialpunching metal
- B21D 9/01 - Bending tubes using mandrels or the like the mandrel being flexible and engaging the entire tube length
Patent holdings for IPC class B21D 9/01
Total number of patents in this class: 20
10-year publication summary
|
3
|
4
|
0
|
0
|
0
|
2
|
2
|
0
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tennine Corporation | 11 |
2 |
| ThyssenKrupp Steel Europe AG | 997 |
2 |
| Batz, S. Coop. | 18 |
2 |
| GM Global Technology Operations LLC | 16255 |
1 |
| Celanese International Corporation | 910 |
1 |
| CML International S.p.A. | 25 |
1 |
| Cryoport, Inc. | 194 |
1 |
| Irwin Industrial Tool Company | 29 |
1 |
| Simat SRL | 3 |
1 |
| Zhejiang University | 3490 |
1 |
| Dongyeun Co., Ltd. | 4 |
1 |
| Jiangsu University of Science and Technology | 397 |
1 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6119 |
1 |
| KMA Acquisition, LLC | 4 |
1 |
| Universidad de La Rioja - Otri | 1 |
1 |
| Kooima Company, LLC | 2 |
1 |
| Pipeflex Systems Ltd | 2 |
1 |
| Other owners | 0 |