- All sections
- E - Fixed constructions
- E02F - Dredgingsoil-shifting
- E02F 3/352 - Buckets movable along a fixed guide
Patent holdings for IPC class E02F 3/352
Total number of patents in this class: 10
10-year publication summary
|
1
|
2
|
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
|
|---|---|---|
| Joy Global Surface Mining Inc | 371 |
3 |
| Abgralll Conception | 3 |
3 |
| Caterpillar Inc. | 10027 |
2 |
| Shanghai No. 2 Municipal Engineering Co., Ltd. | 2 |
1 |
| Shanghai Urban Construction (Group) Corporation | 1 |
1 |
| Other owners | 0 |