- All sections
- E - Fixed constructions
- E02F - Dredgingsoil-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: 1261
10-year publication summary
|
87
|
77
|
62
|
65
|
78
|
65
|
71
|
75
|
70
|
62
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Komatsu Ltd. | 4571 |
276 |
| Hitachi Construction Machinery Co., Ltd. | 2645 |
181 |
| Kobelco Construction Machinery Co., Ltd. | 1146 |
69 |
| Caterpillar Inc. | 9594 |
65 |
| Kubota Corporation | 3932 |
59 |
| Volvo Construction Equipment AB | 1195 |
43 |
| Yanmar Co., Ltd. | 1402 |
41 |
| Hitachi Construction Machinery Tierra Co., Ltd. | 196 |
32 |
| Deere & Company | 7638 |
24 |
| Caterpillar SARL | 478 |
20 |
| Caterpillar Global Mining LLC | 203 |
14 |
| Sumitomo Heavy Industries, Ltd. | 1935 |
14 |
| Caterpillar Japan Ltd. | 37 |
12 |
| Yanmar Holdings Co., Ltd. | 503 |
12 |
| Doosan Bobcat North America Inc. | 577 |
12 |
| Clark Equipment Company | 309 |
11 |
| Sumitomo(s.h.i.) Construction Machinery Co., Ltd. | 243 |
11 |
| Joy Global Surface Mining Inc | 366 |
11 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3045 |
11 |
| Caterpillar Work Tools B.V. | 76 |
8 |
| Other owners | 335 |