- All sections
- E - Fixed constructions
- E02F - Dredgingsoil-shifting
- E02F 3/52 - Cableway excavators
Patent holdings for IPC class E02F 3/52
Total number of patents in this class: 16
10-year publication summary
|
0
|
2
|
1
|
2
|
2
|
2
|
4
|
1
|
1
|
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 |
5 |
| Caterpillar Global Mining LLC | 206 |
4 |
| Brandt Industries Canada Limited | 56 |
3 |
| ESCO Group LLC | 316 |
2 |
| Harnischfeger Technologies, Inc. | 24 |
1 |
| T-MAR Industries LTD. | 2 |
1 |
| Other owners | 0 |