- All sections
- E - Fixed constructions
- E02F - Dredging; soil-shifting
- E02F 3/40 - Dippers; Buckets
Patent holdings for IPC class E02F 3/40
Total number of patents in this class: 622
10-year publication summary
|
57
|
48
|
90
|
61
|
53
|
65
|
59
|
44
|
54
|
12
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Caterpillar Inc. | 8877 |
87 |
| Komatsu Ltd. | 4265 |
29 |
| Joy Global Surface Mining Inc | 356 |
29 |
| Caterpillar Global Mining LLC | 199 |
20 |
| Deere & Company | 6845 |
13 |
| SSAB Technology AB | 148 |
13 |
| ESCO Group LLC | 321 |
13 |
| 9257-5810 Quebec Inc. | 37 |
12 |
| Doosan Bobcat North America Inc. | 508 |
12 |
| Hensley Industries, Inc. | 107 |
11 |
| MineSense Technologies Ltd. | 58 |
11 |
| Austin Engineering Ltd. | 34 |
10 |
| Bradken Resources Pty Limited | 153 |
9 |
| Clark Equipment Company | 335 |
9 |
| Allu Finland Oy | 16 |
8 |
| Meccanica Breganzese S.p.A. in Breve MB S.p.A. | 33 |
8 |
| Hitachi Construction Machinery Co., Ltd. | 2498 |
7 |
| Black Cat Wear Parts Ltd. | 41 |
7 |
| AMI Attachments Inc. | 32 |
6 |
| Minetec S.A. | 22 |
6 |
| Other owners | 302 |