- 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 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: 95
10-year publication summary
|
6
|
4
|
7
|
4
|
7
|
8
|
9
|
6
|
4
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nakata Manufacturing Co., Ltd. | 37 |
17 |
| JFE Steel Corporation | 6067 |
9 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3515 |
7 |
| SMS Group GmbH | 1029 |
4 |
| Novelis Inc. | 656 |
3 |
| Vavit S.r.l. | 3 |
3 |
| Bergrohr GmbH Siegen | 6 |
2 |
| PROMAU S.r.l. | 32 |
2 |
| Sanoh Industrial Co., Ltd. | 189 |
2 |
| Sungwoo Hitech Co., Ltd. | 85 |
2 |
| The Timken Company | 392 |
2 |
| The University of Queensland | 666 |
2 |
| Profilmetall Engineering GmbH | 2 |
2 |
| Royal Metal Products, LLC | 15 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
1 |
| Hyundai Motor Company | 19021 |
1 |
| Kia Motors Corporation | 7946 |
1 |
| Kawasaki Heavy Industries, Limited | 1524 |
1 |
| Antelope Oil Tool & Mfg. Co., LLC | 18 |
1 |
| Ariostea S.p.A. | 3 |
1 |
| Other owners | 30 |