- All sections
- E - Fixed constructions
- E02F - Dredgingsoil-shifting
- E02F 3/40 - DippersBuckets
Patent holdings for IPC class E02F 3/40
Total number of patents in this class: 657
10-year publication summary
|
37
|
77
|
53
|
40
|
54
|
53
|
38
|
44
|
29
|
30
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Caterpillar Inc. | 9768 |
101 |
| Komatsu Ltd. | 4621 |
29 |
| Joy Global Surface Mining Inc | 368 |
29 |
| Caterpillar Global Mining LLC | 203 |
22 |
| SSAB Technology AB | 161 |
17 |
| ESCO Group LLC | 322 |
16 |
| Deere & Company | 7758 |
14 |
| 9257-5810 Quebec Inc. | 42 |
13 |
| Doosan Bobcat North America Inc. | 591 |
13 |
| MineSense Technologies Ltd. | 63 |
12 |
| Austin Engineering Ltd. | 37 |
11 |
| Hensley Industries, Inc. | 118 |
11 |
| Bradken Resources Pty Limited | 149 |
9 |
| Clark Equipment Company | 304 |
8 |
| Meccanica Breganzese S.p.A. in Breve MB S.p.A. | 35 |
8 |
| Hitachi Construction Machinery Co., Ltd. | 2686 |
7 |
| AMI Attachments Inc. | 34 |
7 |
| Minetec S.A. | 30 |
7 |
| Black Cat Wear Parts Ltd. | 45 |
7 |
| Allu Finland Oy | 16 |
6 |
| Other owners | 310 |