- All sections
- B - Performing operationstransporting
- B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing materialpunching metal
- B21D 22/28 - Deep-drawing of cylindrical articles using consecutive dies
Patent holdings for IPC class B21D 22/28
Total number of patents in this class: 396
10-year publication summary
|
23
|
55
|
31
|
29
|
38
|
28
|
31
|
24
|
31
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Stolle Machinery Company, LLC | 456 |
86 |
| Crown Packaging Technology, Inc. | 484 |
35 |
| Toyo Seikan Group Holdings, Ltd. | 845 |
31 |
| Toyo Seikan Co., Ltd. | 601 |
27 |
| Nisshin Steel Co., Ltd. | 392 |
15 |
| Novelis Inc. | 781 |
15 |
| Ball Corporation | 387 |
12 |
| Crown Packaging Manufacturing UK Ltd | 25 |
9 |
| Nippon Steel Corporation | 6589 |
8 |
| Pride Engineering, LLC | 17 |
7 |
| JFE Steel Corporation | 7163 |
6 |
| Nippon Steel & Sumitomo Metal Corporation | 1985 |
6 |
| Nippon Steel Nisshin Co., Ltd. | 98 |
6 |
| Suzhou Slac Precision Equipment Co., Ltd. | 31 |
5 |
| Daiwa Can Company | 241 |
4 |
| Novelis Inc. | 110 |
4 |
| Schuler Pressen GmbH | 131 |
4 |
| Anheuser-Busch, LLC | 808 |
4 |
| Fuji Springs Co., Inc. | 15 |
3 |
| Saeta GmbH & Co. KG | 42 |
3 |
| Other owners | 106 |