- 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: 389
10-year publication summary
|
20
|
23
|
55
|
31
|
29
|
38
|
28
|
31
|
24
|
25
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Stolle Machinery Company, LLC | 435 |
82 |
| Crown Packaging Technology, Inc. | 498 |
34 |
| Toyo Seikan Group Holdings, Ltd. | 844 |
31 |
| Toyo Seikan Co., Ltd. | 595 |
27 |
| Nisshin Steel Co., Ltd. | 394 |
15 |
| Novelis Inc. | 759 |
15 |
| Ball Corporation | 386 |
12 |
| Crown Packaging Manufacturing UK Ltd | 25 |
9 |
| Nippon Steel Corporation | 6344 |
8 |
| Pride Engineering, LLC | 20 |
7 |
| JFE Steel Corporation | 6935 |
6 |
| Nippon Steel & Sumitomo Metal Corporation | 1987 |
6 |
| Nippon Steel Nisshin Co., Ltd. | 98 |
6 |
| Suzhou Slac Precision Equipment Co., Ltd. | 29 |
5 |
| Daiwa Can Company | 237 |
4 |
| Novelis Inc. | 112 |
4 |
| Schuler Pressen GmbH | 132 |
4 |
| Tata Steel Ijmuiden B.V. | 311 |
4 |
| Anheuser-Busch, LLC | 809 |
4 |
| Fuji Springs Co., Inc. | 15 |
3 |
| Other owners | 103 |