- All sections
- B - Performing operationstransporting
- B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing materialpunching metal
- B21D 51/38 - Making inlet or outlet arrangements of cans, tins, baths, bottles or other vesselsMaking can endsMaking closures
Patent holdings for IPC class B21D 51/38
Total number of patents in this class: 200
10-year publication summary
|
19
|
16
|
22
|
14
|
19
|
10
|
7
|
12
|
4
|
17
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Stolle Machinery Company, LLC | 503 |
49 |
| Crown Packaging Technology, Inc. | 479 |
17 |
| Ball Corporation | 400 |
14 |
| Toyo Seikan Co., Ltd. | 621 |
9 |
| Alfons Haar, Inc. | 13 |
6 |
| Universal Can Corporation | 42 |
6 |
| Daiwa Can Company | 241 |
5 |
| Novelis Inc. | 779 |
5 |
| Soudronic AG | 71 |
5 |
| Novelis Inc. | 106 |
4 |
| Rexam Beverage Can Company | 67 |
4 |
| Belvac Production Machinery, Inc. | 151 |
3 |
| MAHLE International GmbH | 2911 |
3 |
| Nippon Light Metal Company, Ltd. | 682 |
3 |
| Paseco Co., Ltd. | 13 |
3 |
| Soode Nagano Co., Ltd. | 24 |
3 |
| ThyssenKrupp Rasselstein GmbH | 71 |
3 |
| Trivium Packaging Group Netherlands B.V. | 44 |
3 |
| Intellectual Capital Management | 7 |
3 |
| Keylex Corporation | 50 |
2 |
| Other owners | 50 |