- All sections
- E - Fixed constructions
- E02F - Dredgingsoil-shifting
- E02F 3/04 - DredgersSoil-shifting machines mechanically-driven
Patent holdings for IPC class E02F 3/04
Total number of patents in this class: 65
10-year publication summary
|
4
|
6
|
4
|
7
|
5
|
9
|
5
|
5
|
6
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Caterpillar Inc. | 10280 |
4 |
| Rockford Rigging, Inc. | 4 |
4 |
| Deere & Company | 8150 |
3 |
| Sany Heavy Machinery Limited | 63 |
3 |
| Blue Leaf I.P., Inc. | 2930 |
2 |
| Komatsu Ltd. | 4751 |
2 |
| Austin Engineering Ltd. | 36 |
2 |
| Deep Reach Technology, Inc. | 16 |
2 |
| TAPCO, Inc. | 10 |
2 |
| Jiangsu XCMG Construction Machinery Research Institute Ltd. | 222 |
2 |
| Xuzhou XCMG Excavator Machinery Co., Ltd | 49 |
2 |
| Sonny's HFI Holdings, LLC | 68 |
2 |
| Massachusetts Institute of Technology | 10282 |
1 |
| Tsinghua University | 6233 |
1 |
| Trimble Navigation Limited | 496 |
1 |
| Caterpillar Paving Products Inc. | 730 |
1 |
| CNC Industries Ltd. | 9 |
1 |
| Genesis Attachments, LLC | 40 |
1 |
| Joy MM Delaware, Inc. | 56 |
1 |
| Manitou Italia S.r.l. | 117 |
1 |
| Other owners | 27 |