- All sections
- B - Performing operationstransporting
- B25D - Percussive tools
- B25D 9/20 - Valve arrangements therefor involving a tubular-type slide valve
Patent holdings for IPC class B25D 9/20
Total number of patents in this class: 40
10-year publication summary
|
6
|
0
|
2
|
4
|
0
|
0
|
6
|
0
|
1
|
2
|
| 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 | 890 |
10 |
| Caterpillar Inc. | 10280 |
8 |
| Montabert | 56 |
4 |
| Furukawa Rock Drill Co., Ltd. | 39 |
3 |
| Doofor Oy | 5 |
2 |
| GlobalForce IP Limited | 40 |
2 |
| Russell Mineral Equipment Pty Ltd | 75 |
2 |
| Epiroc Drilling Tools Aktiebolag | 94 |
2 |
| Epiroc Rock Drills Aktiebolag | 668 |
2 |
| Construction Tools PC AB | 11 |
1 |
| KONEK s.r.o. | 1 |
1 |
| MTU Aero Engines GmbH | 416 |
1 |
| OSA Demolition Equipment S.r.l. | 5 |
1 |
| Sullair Europe | 2 |
1 |
| Other owners | 0 |