- All sections
- E - Fixed constructions
- E02F - Dredgingsoil-shifting
- E02F 3/50 - DredgersSoil-shifting machines mechanically-driven with reciprocating digging or scraping elements moved by cables or hoisting ropes with buckets or other digging elements moved along a rigid guideway
Patent holdings for IPC class E02F 3/50
Total number of patents in this class: 4
10-year publication summary
|
1
|
1
|
3
|
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
|
|---|---|---|
| Caterpillar Inc. | 10302 |
2 |
| Hitachi Construction Machinery Co., Ltd. | 2771 |
1 |
| Cavotec Australia Pty Ltd | 2 |
1 |
| Other owners | 0 |