- All sections
- E - Fixed constructions
- E02F - Dredgingsoil-shifting
- E02F 3/76 - Graders, bulldozers, or the like with scraper plates or ploughshare-like elementsLevelling devices
Patent holdings for IPC class E02F 3/76
Total number of patents in this class: 735
10-year publication summary
|
81
|
85
|
80
|
75
|
105
|
79
|
59
|
54
|
34
|
37
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Caterpillar Inc. | 9558 |
180 |
| Komatsu Ltd. | 4556 |
163 |
| Deere & Company | 7619 |
103 |
| Blue Leaf I.P., Inc. | 2806 |
19 |
| Caterpillar Trimble Control Technologies LLC | 130 |
16 |
| Progressive IP Limited | 21 |
13 |
| Soucy International Inc. | 331 |
12 |
| Topcon Positioning Systems, Inc. | 321 |
8 |
| Jiangsu XCMG Construction Machinery Research Institute Ltd. | 169 |
8 |
| ABI Attachments, Inc. | 44 |
6 |
| Volvo Construction Equipment AB | 1192 |
6 |
| AIM Intelligent Machines, Inc. | 25 |
5 |
| 9277-9347 Quebec Inc. | 11 |
4 |
| Hunan Sany Intelligent Control Equipment Co., Ltd. | 345 |
4 |
| Kubota Corporation | 3912 |
4 |
| Pearson Engineering Limited | 28 |
4 |
| Sany Heavy Industry Co., Ltd. | 240 |
4 |
| Wirtgen America, Inc. | 32 |
4 |
| Opti-minez Pty Ltd | 7 |
4 |
| J.C. Bamford Excavators Limited | 406 |
3 |
| Other owners | 165 |