- All sections
- B - Performing operationstransporting
- B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing materialpunching metal
- B21D 51/46 - Placing sealings or sealing material
Patent holdings for IPC class B21D 51/46
Total number of patents in this class: 53
10-year publication summary
|
1
|
7
|
3
|
10
|
4
|
2
|
2
|
7
|
2
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Crown Packaging Technology, Inc. | 502 |
5 |
| Soudronic AG | 71 |
5 |
| Ball Corporation | 395 |
4 |
| Hoshizaki America, Inc. | 29 |
4 |
| Stolle Machinery Company, LLC | 402 |
4 |
| Top Cap Holding GmbH | 24 |
4 |
| Lennox Industries Inc. | 1099 |
3 |
| ACTEGA DS GmbH | 85 |
2 |
| Alfons Haar, Inc. | 13 |
2 |
| Industrias Penalver, S.L. | 8 |
2 |
| Sacmi Cooperativa Meccanici Imola Societa' Cooperativa | 547 |
2 |
| Mitsubishi Electric Corporation | 44851 |
1 |
| Daiwa Can Company | 226 |
1 |
| Ductmate Industries, Inc. | 21 |
1 |
| G.D S.p.A. | 996 |
1 |
| Kiekert Aktiengesellschaft | 1370 |
1 |
| Krones AG | 2123 |
1 |
| Nippon Closures Co., Ltd. | 77 |
1 |
| Pelliconi & C. S.p.A. | 60 |
1 |
| Showa Aluminum Can Corporation | 73 |
1 |
| Other owners | 7 |