- 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 19/04 - Flanging or other edge treatment, e.g. of tubes by continuously-acting tools moving along the edge shaped as rollers
Patent holdings for IPC class B21D 19/04
Total number of patents in this class: 137
10-year publication summary
|
15
|
15
|
7
|
7
|
12
|
12
|
3
|
7
|
9
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Honda Motor Co., Ltd. | 24537 |
9 |
| Contemporary Amperex Technology Co., Limited | 5805 |
4 |
| Edag GmbH & Co. KGaA | 20 |
4 |
| KUKA Systems GmbH | 176 |
4 |
| Nissan Motor Co., Ltd. | 12249 |
3 |
| Kia Motors Corporation | 7946 |
3 |
| MariCap Oy | 182 |
3 |
| Inno-Spin LLC | 13 |
3 |
| Shenzhen New Canghai Machinery Co., Ltd | 3 |
3 |
| Royal Metal Products, LLC | 15 |
3 |
| Ford Motor Company | 2817 |
2 |
| Hitachi Metals, Ltd. | 2175 |
2 |
| Hyundai Motor Company | 19021 |
2 |
| The Bradbury Company, Inc. | 44 |
2 |
| Cambridge Enterprise Limited | 1096 |
2 |
| Fr. Jacob Söhne GmbH & Co. KG | 27 |
2 |
| Gaztransport et Technigaz | 514 |
2 |
| GM Global Technology Operations, Inc. | 641 |
2 |
| Hirotec Corporation | 28 |
2 |
| JFE Steel Corporation | 6067 |
2 |
| Other owners | 78 |