- All sections
- E - Fixed constructions
- E02F - Dredgingsoil-shifting
- E02F 3/08 - DredgersSoil-shifting machines mechanically-driven with digging elements on an endless chain
Patent holdings for IPC class E02F 3/08
Total number of patents in this class: 38
10-year publication summary
|
6
|
2
|
8
|
4
|
4
|
3
|
3
|
3
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Charles Machine Works, Inc. | 409 |
4 |
| Caterpillar Inc. | 9579 |
2 |
| Matisa Materiel Industriel SA | 75 |
2 |
| Vermeer Manufacturing Company | 638 |
2 |
| Doosan Bobcat North America Inc. | 576 |
2 |
| Komatsu Ltd. | 4557 |
1 |
| Clark Equipment Company | 309 |
1 |
| DeWind One-Pass Trenching, LLC | 5 |
1 |
| Digga Australia Pty. Ltd. | 21 |
1 |
| Dymax, Inc. | 5 |
1 |
| ESCO Corporation | 55 |
1 |
| IHC Engineering Business Limited | 18 |
1 |
| IHC Holland IE B.V. | 265 |
1 |
| Mastenbroek Ltd | 2 |
1 |
| Quanta Associates, L.P. | 432 |
1 |
| ThyssenKrupp Fördertechnik GmbH | 14 |
1 |
| Winter Equipment Company | 27 |
1 |
| 9372-2882 Quebec Inc. | 12 |
1 |
| FLSmidth A/S | 774 |
1 |
| Quadco Inc. | 22 |
1 |
| Other owners | 11 |