- All sections
- E - Fixed constructions
- E02F - Dredgingsoil-shifting
- E02F 9/02 - Travelling gear
Patent holdings for IPC class E02F 9/02
Total number of patents in this class: 338
10-year publication summary
|
36
|
21
|
26
|
31
|
27
|
40
|
22
|
20
|
24
|
25
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Komatsu Ltd. | 4607 |
38 |
| Caterpillar Inc. | 9673 |
33 |
| Hitachi Construction Machinery Co., Ltd. | 2680 |
26 |
| Great Plains Manufacturing, Inc. | 245 |
23 |
| Volvo Construction Equipment AB | 1203 |
21 |
| Doosan Bobcat North America Inc. | 590 |
15 |
| Deere & Company | 7688 |
14 |
| Kubota Corporation | 4035 |
13 |
| Oshkosh Corporation | 1351 |
9 |
| Clark Equipment Company | 308 |
8 |
| Doosan Infracore Co., Ltd. | 309 |
7 |
| Blue Leaf I.P., Inc. | 2789 |
6 |
| J.C. Bamford Excavators Limited | 413 |
6 |
| Kobelco Construction Machinery Co., Ltd. | 1159 |
4 |
| Sumitomo Heavy Industries, Ltd. | 1962 |
4 |
| Hitachi Construction Machinery Tierra Co., Ltd. | 199 |
4 |
| Caterpillar Paving Products Inc. | 675 |
3 |
| The Charles Machine Works, Inc. | 407 |
3 |
| IHC Engineering Business Limited | 4 |
3 |
| Nabtesco Corporation | 884 |
3 |
| Other owners | 95 |