- All sections
- B - Performing operationstransporting
- B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing materialpunching metal
- B21D 3/05 - Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by rollers arranged on axes rectangular to the path of the work
Patent holdings for IPC class B21D 3/05
Total number of patents in this class: 68
10-year publication summary
|
7
|
0
|
6
|
4
|
8
|
3
|
6
|
8
|
6
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| EVG Entwicklungs - u. Verwertungs-Gesellschaft m.b.h. | 33 |
6 |
| SCHNELL S.p.A. | 85 |
6 |
| SMS Group GmbH | 1102 |
4 |
| M.E.P. Macchine Elettroniche Piegatrici SpA | 88 |
3 |
| WAFIOS Aktiengesellschaft | 95 |
3 |
| DJI Innovations Pty Ltd | 3 |
3 |
| Dongliang Aluminium Co., Ltd. | 3 |
3 |
| ARKU Maschinenbau GmbH | 30 |
2 |
| Danieli & C. Officine Meccaniche S.p.A. | 705 |
2 |
| NV Bekaert SA | 754 |
2 |
| Primetals Technologies Italy S.r.l. | 14 |
2 |
| Schlumberger Canada Limited | 7190 |
1 |
| Schlumberger Technology B.v. | 5130 |
1 |
| Schlumberger Holdings Limited | 2847 |
1 |
| Komatsu Industries Corporation | 171 |
1 |
| Aspen Pumps Limited | 135 |
1 |
| Chen, Gang | 32 |
1 |
| Ellwood National Investment Corp. | 17 |
1 |
| Felsomat GmbH & Co. KG | 49 |
1 |
| Gregg Marine, Inc. | 3 |
1 |
| Other owners | 23 |