- 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 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: 358
10-year publication summary
|
23
|
22
|
27
|
62
|
32
|
32
|
42
|
33
|
30
|
11
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Stolle Machinery Company, LLC | 367 |
72 |
| Crown Packaging Technology, Inc. | 494 |
30 |
| Toyo Seikan Group Holdings, Ltd. | 765 |
30 |
| Toyo Seikan Co., Ltd. | 515 |
20 |
| Nisshin Steel Co., Ltd. | 401 |
15 |
| Ball Corporation | 390 |
11 |
| Novelis Inc. | 656 |
10 |
| Nippon Steel Corporation | 5649 |
8 |
| Crown Packaging Manufacturing UK Ltd | 22 |
8 |
| Pride Engineering, LLC | 20 |
7 |
| JFE Steel Corporation | 6067 |
6 |
| Nippon Steel & Sumitomo Metal Corporation | 1990 |
6 |
| Nippon Steel Nisshin Co., Ltd. | 106 |
6 |
| Suzhou Slac Precision Equipment Co., Ltd. | 28 |
5 |
| Universal Can Corporation | 54 |
5 |
| Novelis Inc. | 130 |
4 |
| Schuler Pressen GmbH | 145 |
4 |
| Tata Steel Ijmuiden B.V. | 283 |
4 |
| Toyo Seikan Kaisha, Ltd. | 419 |
4 |
| Anheuser-Busch, LLC | 823 |
4 |
| Other owners | 99 |