- All sections
- E - Fixed constructions
- E02F - Dredging; soil-shifting
- E02F 3/84 - Drives or control devices therefor
Patent holdings for IPC class E02F 3/84
Total number of patents in this class: 609
10-year publication summary
|
29
|
54
|
47
|
62
|
70
|
92
|
79
|
53
|
59
|
21
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Caterpillar Inc. | 8877 |
154 |
| Komatsu Ltd. | 4265 |
122 |
| Deere & Company | 6845 |
96 |
| Caterpillar Trimble Control Technologies LLC | 134 |
33 |
| Topcon Positioning Systems, Inc. | 308 |
20 |
| Blue Leaf I.P., Inc. | 2758 |
12 |
| Trimble Navigation Limited | 701 |
8 |
| Hitachi Construction Machinery Co., Ltd. | 2498 |
7 |
| Hexagon Technology Center GmbH | 549 |
7 |
| Leica Geosystems AG | 658 |
6 |
| Progressive IP Limited | 20 |
6 |
| Jiangsu XCMG Construction Machinery Research Institute Ltd. | 111 |
6 |
| ABI Attachments, Inc. | 39 |
5 |
| CNH Industrial America LLC | 1683 |
4 |
| Kobelco Construction Machinery Co., Ltd. | 1048 |
4 |
| Kubota Corporation | 3054 |
4 |
| Trimble Inc. | 640 |
4 |
| Hitachi Construction Machinery Tierra Co., Ltd. | 182 |
4 |
| Robert Bosch GmbH | 40953 |
3 |
| Caterpillar Global Mining LLC | 199 |
3 |
| Other owners | 101 |