- 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: 693
10-year publication summary
|
90
|
61
|
53
|
65
|
61
|
48
|
66
|
39
|
47
|
31
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Caterpillar Inc. | 10302 |
115 |
| Komatsu Ltd. | 4770 |
29 |
| Joy Global Surface Mining Inc | 373 |
29 |
| Caterpillar Global Mining LLC | 210 |
23 |
| SSAB Technology AB | 166 |
17 |
| ESCO Group LLC | 311 |
16 |
| Deere & Company | 8167 |
15 |
| 9257-5810 Quebec Inc. | 44 |
13 |
| Doosan Bobcat North America Inc. | 656 |
13 |
| MineSense Technologies Ltd. | 63 |
12 |
| Austin Engineering Ltd. | 36 |
11 |
| Hensley Industries, Inc. | 122 |
11 |
| Hitachi Construction Machinery Co., Ltd. | 2771 |
8 |
| Bradken Resources Pty Limited | 146 |
8 |
| Clark Equipment Company | 287 |
8 |
| AMI Attachments Inc. | 33 |
7 |
| Meccanica Breganzese S.p.A. in Breve MB S.p.A. | 33 |
7 |
| Metalogenia Research & Technologies S.L. | 115 |
7 |
| Minetec S.A. | 32 |
7 |
| Black Cat Wear Parts Ltd. | 50 |
7 |
| Other owners | 330 |