- 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 51/30 - Folding the circumferential seam
Patent holdings for IPC class B21D 51/30
Total number of patents in this class: 60
10-year publication summary
3
|
3
|
3
|
4
|
3
|
2
|
7
|
5
|
2
|
3
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Toyo Seikan Co., Ltd. | 515 |
6 |
Toyo Seikan Group Engineering Co., Ltd. | 14 |
6 |
Ferrum Packaging AG | 44 |
4 |
Stolle Machinery Company, LLC | 367 |
3 |
Oktober LLC, DBA Oktober LLC | 8 |
3 |
Ball Corporation | 390 |
2 |
Crown Packaging Technology, Inc. | 494 |
2 |
Daiwa Can Company | 213 |
2 |
Silgan Containers LLC | 149 |
2 |
Toyo Seikan Group Holdings, Ltd. | 765 |
2 |
Toyo Seikan Kaisha, Ltd. | 419 |
2 |
Xolution GmbH | 26 |
2 |
Enami Seiki Mfg. Co., Ltd. | 3 |
2 |
Samsung SDI Co., Ltd. | 6671 |
1 |
Ardagh MP Group Netherlands B.V. | 89 |
1 |
CFT S.p.A. | 44 |
1 |
Cummins Filtration Inc. | 171 |
1 |
Impress Group B.V. | 42 |
1 |
Nedaie, Behnam | 1 |
1 |
Nippon Steel & Sumitomo Metal Corporation | 1990 |
1 |
Other owners | 15 |