- All sections
- E - Fixed constructions
- E02F - Dredgingsoil-shifting
- E02F 3/84 - Drives or control devices therefor
Patent holdings for IPC class E02F 3/84
Total number of patents in this class: 678
10-year publication summary
|
51
|
44
|
56
|
68
|
86
|
73
|
53
|
60
|
48
|
47
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Caterpillar Inc. | 9852 |
169 |
| Komatsu Ltd. | 4625 |
141 |
| Deere & Company | 7767 |
112 |
| Caterpillar Trimble Control Technologies LLC | 131 |
29 |
| Topcon Positioning Systems, Inc. | 324 |
20 |
| Blue Leaf I.P., Inc. | 2783 |
14 |
| Hitachi Construction Machinery Co., Ltd. | 2687 |
8 |
| Trimble Navigation Limited | 532 |
7 |
| Hexagon Technology Center GmbH | 596 |
7 |
| Kobelco Construction Machinery Co., Ltd. | 1161 |
7 |
| Progressive IP Limited | 23 |
7 |
| Jiangsu XCMG Construction Machinery Research Institute Ltd. | 188 |
6 |
| AIM Intelligent Machines, Inc. | 30 |
6 |
| ABI Attachments, Inc. | 44 |
5 |
| Kubota Corporation | 4056 |
5 |
| Honeywell International Inc. | 13571 |
4 |
| Leica Geosystems AG | 614 |
4 |
| Trimble Inc. | 657 |
4 |
| Hitachi Construction Machinery Tierra Co., Ltd. | 200 |
4 |
| Leica Geosystems Technology A/S | 21 |
4 |
| Other owners | 115 |