- 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 51/38 - Making inlet or outlet arrangements of cans, tins, baths, bottles or other vessels; Making can ends; Making closures
Patent holdings for IPC class B21D 51/38
Total number of patents in this class: 183
10-year publication summary
|
19
|
14
|
19
|
16
|
22
|
14
|
19
|
9
|
7
|
1
|
| 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 |
36 |
| Crown Packaging Technology, Inc. | 494 |
17 |
| Ball Corporation | 390 |
16 |
| Toyo Seikan Co., Ltd. | 515 |
9 |
| Universal Can Corporation | 54 |
7 |
| Daiwa Can Company | 213 |
6 |
| Soudronic AG | 74 |
5 |
| Alfons Haar, Inc. | 10 |
4 |
| Rexam Beverage Can Company | 94 |
4 |
| MAHLE International GmbH | 2670 |
3 |
| Nippon Light Metal Company, Ltd. | 645 |
3 |
| Novelis Inc. | 130 |
3 |
| Paseco Co., Ltd. | 13 |
3 |
| Soode Nagano Co., Ltd. | 12 |
3 |
| ThyssenKrupp Rasselstein GmbH | 72 |
3 |
| Trivium Packaging Group Netherlands B.V. | 20 |
3 |
| Belvac Production Machinery, Inc. | 132 |
2 |
| Impress Group B.V. | 42 |
2 |
| Keylex Corporation | 48 |
2 |
| Montebello Technology Services Ltd. | 8 |
2 |
| Other owners | 50 |