- 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: 316
10-year publication summary
|
36
|
23
|
26
|
33
|
30
|
41
|
21
|
21
|
22
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Komatsu Ltd. | 4419 |
36 |
| Caterpillar Inc. | 9149 |
31 |
| Hitachi Construction Machinery Co., Ltd. | 2563 |
24 |
| Volvo Construction Equipment AB | 1188 |
21 |
| Great Plains Manufacturing, Inc. | 224 |
18 |
| Doosan Bobcat North America Inc. | 549 |
16 |
| Kubota Corporation | 3470 |
13 |
| Deere & Company | 7309 |
12 |
| Oshkosh Corporation | 1178 |
10 |
| Clark Equipment Company | 317 |
8 |
| Doosan Infracore Co., Ltd. | 309 |
7 |
| Blue Leaf I.P., Inc. | 2829 |
6 |
| J.C. Bamford Excavators Limited | 402 |
5 |
| The Charles Machine Works, Inc. | 416 |
4 |
| Kobelco Construction Machinery Co., Ltd. | 1064 |
4 |
| Sumitomo Heavy Industries, Ltd. | 1812 |
4 |
| Hitachi Construction Machinery Tierra Co., Ltd. | 193 |
4 |
| Caterpillar Paving Products Inc. | 647 |
3 |
| IHC Engineering Business Limited | 4 |
3 |
| Nabtesco Corporation | 883 |
3 |
| Other owners | 84 |