- All sections
- E - Fixed constructions
- E02F - Dredgingsoil-shifting
- E02F 9/12 - Slewing or traversing gears
Patent holdings for IPC class E02F 9/12
Total number of patents in this class: 484
10-year publication summary
|
58
|
42
|
34
|
19
|
34
|
36
|
43
|
26
|
33
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi Construction Machinery Co., Ltd. | 2620 |
69 |
| Volvo Construction Equipment AB | 1185 |
43 |
| Kobelco Construction Machinery Co., Ltd. | 1133 |
41 |
| Caterpillar Inc. | 9449 |
32 |
| Komatsu Ltd. | 4505 |
31 |
| Sumitomo Heavy Industries, Ltd. | 1867 |
23 |
| Sumitomo(s.h.i.) Construction Machinery Co., Ltd. | 243 |
17 |
| Caterpillar SARL | 477 |
14 |
| Doosan Infracore Co., Ltd. | 309 |
12 |
| HD Hyundai Infracore Co., Ltd | 272 |
12 |
| Kawasaki Heavy Industries, Limited | 1612 |
11 |
| Kubota Corporation | 3718 |
11 |
| Caterpillar Global Mining LLC | 203 |
9 |
| Doosan Bobcat North America Inc. | 566 |
8 |
| Parker Intangibles LLC | 1174 |
7 |
| Sumitomo Construction Machinery Co., Ltd. | 199 |
7 |
| Clark Equipment Company | 306 |
6 |
| Hitachi Construction Machinery Tierra Co., Ltd. | 195 |
6 |
| Deere & Company | 7495 |
5 |
| Parker-Hannifin Corporation | 1032 |
4 |
| Other owners | 116 |