- All sections
- B - Performing operationstransporting
- B21J - Forginghammeringpressing metalrivetingforge furnaces
- B21J 7/40 - Drives for hammersTransmission means therefor for drop hammers driven by hydraulic or liquid pressure
Patent holdings for IPC class B21J 7/40
Total number of patents in this class: 2
10-year publication summary
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Danieli & C. Officine Meccaniche S.p.A. | 718 |
1 |
| Norgren GmbH | 100 |
1 |
| Other owners | 0 |