- All sections
- E - Fixed constructions
- E02F - Dredging; soil-shifting
- E02F 9/02 - Travelling gear
Patent holdings for IPC class E02F 9/02
Total number of patents in this class: 299
10-year publication summary
|
23
|
35
|
23
|
26
|
33
|
30
|
39
|
20
|
20
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Komatsu Ltd. | 4265 |
36 |
| Caterpillar Inc. | 8877 |
28 |
| Hitachi Construction Machinery Co., Ltd. | 2498 |
23 |
| Volvo Construction Equipment AB | 1172 |
22 |
| Doosan Bobcat North America Inc. | 508 |
15 |
| Kubota Corporation | 3054 |
13 |
| Great Plains Manufacturing, Inc. | 199 |
11 |
| Deere & Company | 6845 |
10 |
| Oshkosh Corporation | 1006 |
9 |
| Clark Equipment Company | 335 |
8 |
| Doosan Infracore Co., Ltd. | 313 |
7 |
| Blue Leaf I.P., Inc. | 2758 |
5 |
| J.C. Bamford Excavators Limited | 398 |
5 |
| The Charles Machine Works, Inc. | 411 |
4 |
| Kobelco Construction Machinery Co., Ltd. | 1048 |
4 |
| Sumitomo Heavy Industries, Ltd. | 1670 |
4 |
| Hitachi Construction Machinery Tierra Co., Ltd. | 182 |
4 |
| Caterpillar Paving Products Inc. | 628 |
3 |
| IHC Engineering Business Limited | 4 |
3 |
| Nabtesco Corporation | 871 |
3 |
| Other owners | 82 |