- 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: 707
10-year publication summary
|
47
|
62
|
70
|
93
|
82
|
57
|
61
|
49
|
54
|
36
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Caterpillar Inc. | 10331 |
170 |
| Komatsu Ltd. | 4811 |
146 |
| Deere & Company | 8198 |
121 |
| Caterpillar Trimble Control Technologies LLC | 130 |
28 |
| Topcon Positioning Systems, Inc. | 333 |
20 |
| Blue Leaf I.P., Inc. | 2929 |
16 |
| AIM Intelligent Machines, Inc. | 45 |
11 |
| Hitachi Construction Machinery Co., Ltd. | 2797 |
8 |
| Kobelco Construction Machinery Co., Ltd. | 1220 |
8 |
| Progressive IP Limited | 26 |
7 |
| Trimble Navigation Limited | 491 |
6 |
| Jiangsu XCMG Construction Machinery Research Institute Ltd. | 222 |
6 |
| Hunan Sany Huayuan Machinery Co., Ltd. | 14 |
6 |
| Honeywell International Inc. | 12767 |
5 |
| ABI Attachments, Inc. | 48 |
5 |
| Kubota Corporation | 4437 |
5 |
| Hexagon Innovation Hub GmbH | 477 |
5 |
| Leica Geosystems AG | 594 |
4 |
| Trimble Inc. | 659 |
4 |
| Volvo Construction Equipment AB | 1225 |
4 |
| Other owners | 122 |