- 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: 182
10-year publication summary
|
14
|
19
|
16
|
22
|
14
|
19
|
10
|
7
|
9
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Stolle Machinery Company, LLC | 421 |
35 |
| Crown Packaging Technology, Inc. | 502 |
16 |
| Ball Corporation | 388 |
14 |
| Toyo Seikan Co., Ltd. | 589 |
9 |
| Universal Can Corporation | 45 |
6 |
| Alfons Haar, Inc. | 13 |
5 |
| Daiwa Can Company | 235 |
5 |
| Soudronic AG | 70 |
5 |
| Rexam Beverage Can Company | 71 |
4 |
| Belvac Production Machinery, Inc. | 156 |
3 |
| MAHLE International GmbH | 2759 |
3 |
| Nippon Light Metal Company, Ltd. | 661 |
3 |
| Novelis Inc. | 113 |
3 |
| Novelis Inc. | 739 |
3 |
| Paseco Co., Ltd. | 13 |
3 |
| Soode Nagano Co., Ltd. | 16 |
3 |
| ThyssenKrupp Rasselstein GmbH | 72 |
3 |
| Trivium Packaging Group Netherlands B.V. | 40 |
3 |
| Impress Group B.V. | 31 |
2 |
| Keylex Corporation | 49 |
2 |
| Other owners | 52 |