- All sections
- B - Performing operationstransporting
- B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing materialpunching metal
- B21D 5/12 - Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles for making tubes making use of forming-rollers
Patent holdings for IPC class B21D 5/12
Total number of patents in this class: 94
10-year publication summary
|
4
|
7
|
4
|
7
|
8
|
9
|
4
|
4
|
3
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nakata Manufacturing Co., Ltd. | 36 |
16 |
| JFE Steel Corporation | 6965 |
9 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4003 |
7 |
| SMS Group GmbH | 1134 |
4 |
| Novelis Inc. | 762 |
3 |
| Bergrohr GmbH Siegen | 4 |
2 |
| PROMAU S.r.l. | 46 |
2 |
| Sanoh Industrial Co., Ltd. | 211 |
2 |
| Sungwoo Hitech Co., Ltd. | 88 |
2 |
| The Timken Company | 362 |
2 |
| The University of Queensland | 663 |
2 |
| Vavit S.r.l. | 2 |
2 |
| Profilmetall Engineering GmbH | 2 |
2 |
| Royal Metal Products, LLC | 15 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 8803 |
1 |
| Hyundai Motor Company | 22369 |
1 |
| Kia Motors Corporation | 7751 |
1 |
| Kawasaki Heavy Industries, Limited | 1659 |
1 |
| Antelope Oil Tool & Mfg. Co., LLC | 14 |
1 |
| Daiwa Steel Tube Industries Co., Ltd. | 11 |
1 |
| Other owners | 31 |