- All sections
- B - Performing operationstransporting
- B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing materialpunching metal
- B21D 53/22 - Making other particular articles rings, e.g. barrel hoops washers, e.g. for sealing with means for preventing rotation
Patent holdings for IPC class B21D 53/22
Total number of patents in this class: 12
10-year publication summary
|
2
|
1
|
1
|
0
|
0
|
2
|
2
|
0
|
0
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nord-Lock AB | 14 |
6 |
| Becton, Dickinson and Company | 7321 |
2 |
| Denso Corporation | 24562 |
1 |
| Acument GmbH & Co. OHG | 15 |
1 |
| Anvil International, LLC | 8 |
1 |
| ARC Engineering Company LLC | 1 |
1 |
| Other owners | 0 |