- All sections
- B - Performing operationstransporting
- B21K - Making forged or pressed metal products, e.g. horse-shoes, rivets, bolts or wheels
- B21K 5/06 - Dressing, e.g. sharpening rock drills
Patent holdings for IPC class B21K 5/06
Total number of patents in this class: 2
10-year publication summary
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi Metals, Ltd. | 1826 |
1 |
| Nippon Institute of Technology | 4 |
1 |
| Other owners | 0 |