- All sections
- B - Performing operationstransporting
- B21J - Forginghammeringpressing metalrivetingforge furnaces
- B21J 7/04 - Power hammers
Patent holdings for IPC class B21J 7/04
Total number of patents in this class: 7
10-year publication summary
|
0
|
0
|
0
|
0
|
2
|
1
|
0
|
0
|
0
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cell Impact AB | 20 |
3 |
| The Boeing Company | 20193 |
1 |
| TMS International Corporation | 55 |
1 |
| Tube City IMS Corporation | 6 |
1 |
| Shanxi Haokun Flanges Group Co.,Ltd | 4 |
1 |
| Other owners | 0 |