- All sections
- E - Fixed constructions
- E02F - Dredgingsoil-shifting
- E02F 3/22 - Component parts
Patent holdings for IPC class E02F 3/22
Total number of patents in this class: 23
10-year publication summary
|
0
|
2
|
2
|
1
|
4
|
1
|
4
|
0
|
4
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Soletanche Freyssinet | 477 |
6 |
| Schnabel Foundation Company | 3 |
2 |
| Soilmec S.p.A. | 75 |
2 |
| The Sollami Company | 52 |
2 |
| Bauer Maschinen GmbH | 218 |
1 |
| Bauer Spezialtiefbau GmbH | 112 |
1 |
| I.M.M. Hydraulics S.p.A. | 16 |
1 |
| Liebherr-Werk Nenzing GmbH | 92 |
1 |
| Vermeer Manufacturing Company | 634 |
1 |
| VSL International Ltd. | 4 |
1 |
| Hitachi Construction Machinery Tierra Co., Ltd. | 195 |
1 |
| Makuri Technology Pte Ltd. | 16 |
1 |
| Built Robotics Inc. | 99 |
1 |
| Mine to Mill Equipment Pte Ltd | 2 |
1 |
| Shingang Hi-Tech Co., Ltd | 3 |
1 |
| Other owners | 0 |