- 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 51/26 - Making hollow objects characterised by the use of the objects cans or tins; Closing cans or tins in a permanent manner
Patent holdings for IPC class B21D 51/26
Total number of patents in this class: 878
10-year publication summary
|
47
|
64
|
75
|
72
|
50
|
74
|
69
|
57
|
78
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Stolle Machinery Company, LLC | 400 |
122 |
| Toyo Seikan Co., Ltd. | 559 |
70 |
| Belvac Production Machinery, Inc. | 151 |
69 |
| Crown Packaging Technology, Inc. | 502 |
59 |
| Toyo Seikan Group Holdings, Ltd. | 805 |
38 |
| Ball Corporation | 393 |
25 |
| The Coca-Cola Company | 2508 |
20 |
| JFE Steel Corporation | 6538 |
20 |
| Ferrum Packaging AG | 44 |
19 |
| Novelis Inc. | 704 |
15 |
| Universal Can Corporation | 45 |
15 |
| Daiwa Can Company | 226 |
14 |
| Toyo Seikan Kaisha, Ltd. | 391 |
11 |
| Pride Engineering, LLC | 20 |
9 |
| Suzhou Slac Precision Equipment Co., Ltd. | 29 |
9 |
| Ardagh MP Group Netherlands B.V. | 86 |
8 |
| Rexam Beverage Can Company | 80 |
8 |
| Silgan Containers LLC | 139 |
8 |
| Alcoa Inc. | 300 |
7 |
| Soudronic AG | 71 |
7 |
| Other owners | 325 |