- All sections
- E - Fixed constructions
- E02F - Dredgingsoil-shifting
- E02F 3/18 - DredgersSoil-shifting machines mechanically-driven with digging wheels turning round an axis
Patent holdings for IPC class E02F 3/18
Total number of patents in this class: 101
10-year publication summary
|
14
|
12
|
8
|
11
|
15
|
9
|
6
|
7
|
4
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Simex Engineering S.r.l. | 21 |
8 |
| The Charles Machine Works, Inc. | 407 |
7 |
| Husqvarna AB | 2919 |
7 |
| Soletanche Freyssinet | 481 |
5 |
| ThyssenKrupp Industrial Solutions AG | 632 |
5 |
| Technological Resources Pty. Limited | 457 |
4 |
| ThyssenKrupp AG | 3298 |
4 |
| Vale S.A. | 272 |
4 |
| FLSmidth A/S | 772 |
4 |
| Vermeer Manufacturing Company | 639 |
3 |
| Grotti S.r.l. | 10 |
3 |
| Bauer Maschinen GmbH | 226 |
2 |
| DellCron AB | 11 |
2 |
| Liebherr-components Biberach GmbH | 225 |
2 |
| Liebherr-Werk Nenzing GmbH | 91 |
2 |
| Simex, S.r.l. | 20 |
2 |
| ThyssenKrupp Fördertechnik GmbH | 14 |
2 |
| Wirtgen GmbH | 499 |
2 |
| Galloway Steel Fabrications Limited | 3 |
2 |
| Tesmec France | 2 |
2 |
| Other owners | 29 |