- All sections
- E - Fixed constructions
- E02F - Dredgingsoil-shifting
- E02F 3/80 - Component parts
Patent holdings for IPC class E02F 3/80
Total number of patents in this class: 103
10-year publication summary
|
13
|
7
|
8
|
5
|
8
|
12
|
7
|
11
|
4
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Komatsu Ltd. | 4554 |
23 |
| Caterpillar Inc. | 9549 |
18 |
| Deere & Company | 7609 |
5 |
| Volvo Construction Equipment AB | 1192 |
4 |
| Valley Blades Limited, | 19 |
3 |
| Austin Engineering Ltd. | 41 |
2 |
| Boundary Equipment Co. Ltd. | 9 |
2 |
| Italtractor ITM S.p.A. | 44 |
2 |
| Keech Castings Australia Pty Limited | 4 |
2 |
| Sany Heavy Machinery Limited | 62 |
2 |
| Shantui Construction Machinery Co., Ltd. | 17 |
2 |
| 9257-5810 Quebec Inc. | 42 |
2 |
| Jiangsu XCMG Construction Machinery Research Institute Ltd. | 169 |
2 |
| ABI Attachments, Inc. | 45 |
1 |
| Cqms Pty Ltd | 114 |
1 |
| Doherty Engineered Attachments Limited | 9 |
1 |
| Global Casting inc. | 2 |
1 |
| Guangxi Liugong Machinery Co., Ltd. | 55 |
1 |
| Jiangsu University | 1100 |
1 |
| JNC Corporation | 1561 |
1 |
| Other owners | 27 |