- All sections
- E - Fixed constructions
- E02F - Dredging; soil-shifting
- E02F 1/00 - General working methods with dredgers or soil-shifting machines
Patent holdings for IPC class E02F 1/00
Total number of patents in this class: 57
10-year publication summary
6
|
5
|
9
|
7
|
2
|
5
|
3
|
3
|
3
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Caterpillar Inc. | 8877 |
7 |
Komatsu Ltd. | 4265 |
4 |
Caterpillar Trimble Control Technologies LLC | 134 |
2 |
Dredging International N.V. | 25 |
2 |
EDA Kopa (solwara) Limited | 7 |
2 |
Sandvik Mining and Construction Oy | 703 |
2 |
Leica Geosystems Technology A/S | 17 |
2 |
Nautilus Minerals Singapore Pte Ltd | 7 |
2 |
Zoomlion Shaanxi Western Earthmoving Machinery Co., Ltd | 9 |
2 |
Zoomlion Earthmoving Machinery Co., Ltd. | 5 |
2 |
Schlumberger Technology Corporation | 9690 |
1 |
Deere & Company | 6845 |
1 |
Daewon Electric Co. Ltd. | 50 |
1 |
ESI Pipeline Services, Inc. | 1 |
1 |
Herzog Contracting Corp. | 18 |
1 |
IHC Systems B.V. | 5 |
1 |
Kobelco Construction Machinery Co., Ltd. | 1048 |
1 |
Korea Electric Power Corporation | 467 |
1 |
Liebherr-France SAS | 10 |
1 |
Nautilus Minerals Pacific Pty Ltd | 29 |
1 |
Other owners | 20 |