- All sections
- B - Performing operationstransporting
- B25D - Percussive tools
- B25D 9/22 - Valve arrangements therefor involving a rotary-type slide valve
Patent holdings for IPC class B25D 9/22
Total number of patents in this class: 4
10-year publication summary
|
1
|
0
|
0
|
0
|
0
|
0
|
2
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sandvik Mining and Construction Oy | 887 |
3 |
| Atlas Copco Rock Drills AB | 123 |
1 |
| Other owners | 0 |