- All sections
- E - Fixed constructions
- E02F - Dredging; soil-shifting
- E02F 9/00 - Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups
Patent holdings for IPC class E02F 9/00
Total number of patents in this class: 1174
10-year publication summary
|
114
|
94
|
83
|
72
|
72
|
87
|
67
|
72
|
76
|
19
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Komatsu Ltd. | 4265 |
245 |
| Hitachi Construction Machinery Co., Ltd. | 2498 |
162 |
| Caterpillar Inc. | 8877 |
65 |
| Kobelco Construction Machinery Co., Ltd. | 1048 |
58 |
| Yanmar Co., Ltd. | 1479 |
50 |
| Kubota Corporation | 3054 |
47 |
| Volvo Construction Equipment AB | 1172 |
42 |
| Hitachi Construction Machinery Tierra Co., Ltd. | 182 |
29 |
| Deere & Company | 6845 |
25 |
| Caterpillar SARL | 441 |
19 |
| Caterpillar Global Mining LLC | 199 |
13 |
| Caterpillar Japan Ltd. | 37 |
12 |
| Clark Equipment Company | 335 |
12 |
| Sumitomo Heavy Industries, Ltd. | 1670 |
12 |
| Joy Global Surface Mining Inc | 356 |
12 |
| Yanmar Holdings Co., Ltd. | 380 |
12 |
| Sumitomo(s.h.i.) Construction Machinery Co., Ltd. | 245 |
11 |
| Doosan Bobcat North America Inc. | 508 |
10 |
| Yanmar Power Technology Co., Ltd. | 599 |
9 |
| Caterpillar Work Tools B.V. | 76 |
8 |
| Other owners | 321 |