- 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: 680
10-year publication summary
|
44
|
56
|
68
|
86
|
73
|
53
|
60
|
48
|
48
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Caterpillar Inc. | 10132 |
168 |
| Komatsu Ltd. | 4658 |
141 |
| Deere & Company | 7923 |
112 |
| Caterpillar Trimble Control Technologies LLC | 132 |
30 |
| Topcon Positioning Systems, Inc. | 332 |
20 |
| Blue Leaf I.P., Inc. | 2798 |
15 |
| Hitachi Construction Machinery Co., Ltd. | 2726 |
8 |
| Kobelco Construction Machinery Co., Ltd. | 1188 |
7 |
| Progressive IP Limited | 26 |
7 |
| AIM Intelligent Machines, Inc. | 34 |
7 |
| Trimble Navigation Limited | 508 |
6 |
| Jiangsu XCMG Construction Machinery Research Institute Ltd. | 205 |
6 |
| Honeywell International Inc. | 12786 |
5 |
| ABI Attachments, Inc. | 46 |
5 |
| Kubota Corporation | 4221 |
5 |
| Hexagon Innovation Hub GmbH | 461 |
5 |
| Leica Geosystems AG | 608 |
4 |
| Trimble Inc. | 650 |
4 |
| Volvo Construction Equipment AB | 1210 |
4 |
| Hitachi Construction Machinery Tierra Co., Ltd. | 203 |
4 |
| Other owners | 117 |