- All sections
- E - Fixed constructions
- E02F - Dredgingsoil-shifting
- E02F 3/413 - DippersBuckets with grabbing device
Patent holdings for IPC class E02F 3/413
Total number of patents in this class: 123
10-year publication summary
|
9
|
11
|
18
|
9
|
15
|
9
|
9
|
6
|
12
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Caterpillar Inc. | 10343 |
13 |
| AMI Attachments Inc. | 34 |
7 |
| Caterpillar Work Tools B.V. | 75 |
6 |
| Deere & Company | 8229 |
5 |
| LaValley Industries, LLC | 70 |
5 |
| Caterpillar Global Mining LLC | 208 |
4 |
| Doosan Bobcat North America Inc. | 655 |
4 |
| Bourgault Machines Inc. | 21 |
4 |
| Hitachi Construction Machinery Co., Ltd. | 2807 |
3 |
| The Heil Co. | 369 |
3 |
| Curtis Industries, LLC | 12 |
2 |
| I.M.M. Hydraulics S.p.A. | 19 |
2 |
| Pierce Pacific Manufacturing, Inc. | 6 |
2 |
| Kyungwontech Co., Ltd. | 4 |
2 |
| Cashman Dredging and Marine Contracting, Co., LLC | 34 |
2 |
| S e C Engineering and Design Limited | 3 |
2 |
| OilQuick Deutschland KG | 47 |
2 |
| Attach2 Limited | 39 |
2 |
| Blue Leaf I.P., Inc. | 2929 |
1 |
| Agile Manufacturing, LLC | 1 |
1 |
| Other owners | 51 |