- 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 51/46 - Placing sealings or sealing material
Patent holdings for IPC class B21D 51/46
Total number of patents in this class: 51
10-year publication summary
|
6
|
1
|
7
|
3
|
10
|
4
|
2
|
2
|
6
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Crown Packaging Technology, Inc. | 494 |
5 |
| Soudronic AG | 74 |
5 |
| Ball Corporation | 390 |
4 |
| Hoshizaki America, Inc. | 29 |
4 |
| Top Cap Holding GmbH | 16 |
4 |
| Industrias Penalver, S.L. | 9 |
3 |
| Lennox Industries Inc. | 1088 |
3 |
| Stolle Machinery Company, LLC | 367 |
3 |
| ACTEGA DS GmbH | 80 |
2 |
| Sacmi Cooperativa Meccanici Imola Societa' Cooperativa | 529 |
2 |
| Mitsubishi Electric Corporation | 43934 |
1 |
| Alfons Haar, Inc. | 10 |
1 |
| Daiwa Can Company | 213 |
1 |
| Dayton Systems Group, Inc. | 14 |
1 |
| Ductmate Industries, Inc. | 22 |
1 |
| G.D S.p.A. | 929 |
1 |
| Kiekert Aktiengesellschaft | 1296 |
1 |
| Krones AG | 2037 |
1 |
| Nippon Closures Co., Ltd. | 76 |
1 |
| Pelliconi & C. S.p.A. | 56 |
1 |
| Other owners | 6 |