- 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
|
7
|
8
|
5
|
8
|
13
|
8
|
11
|
5
|
10
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Komatsu Ltd. | 4723 |
23 |
| Caterpillar Inc. | 10267 |
19 |
| Deere & Company | 8097 |
4 |
| Volvo Construction Equipment AB | 1222 |
4 |
| Valley Blades Limited, | 19 |
3 |
| Austin Engineering Ltd. | 36 |
2 |
| Boundary Equipment Co. Ltd. | 9 |
2 |
| Italtractor ITM S.p.A. | 46 |
2 |
| Sany Heavy Machinery Limited | 63 |
2 |
| Shantui Construction Machinery Co., Ltd. | 24 |
2 |
| 9257-5810 Quebec Inc. | 44 |
2 |
| Jiangsu XCMG Construction Machinery Research Institute Ltd. | 217 |
2 |
| Honeywell International Inc. | 12778 |
1 |
| ABI Attachments, Inc. | 48 |
1 |
| Amerequip Corporation | 2 |
1 |
| Cives Corporation | 23 |
1 |
| Doherty Engineered Attachments Limited | 9 |
1 |
| Global Casting inc. | 2 |
1 |
| Guangxi Liugong Machinery Co., Ltd. | 69 |
1 |
| Jiangsu University | 1166 |
1 |
| Other owners | 28 |