- 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: 1315
10-year publication summary
|
83
|
72
|
72
|
88
|
72
|
81
|
82
|
74
|
95
|
52
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Komatsu Ltd. | 4723 |
287 |
| Hitachi Construction Machinery Co., Ltd. | 2752 |
192 |
| Kubota Corporation | 4391 |
78 |
| Kobelco Construction Machinery Co., Ltd. | 1210 |
71 |
| Caterpillar Inc. | 10267 |
66 |
| Volvo Construction Equipment AB | 1222 |
43 |
| Yanmar Co., Ltd. | 1347 |
39 |
| Hitachi Construction Machinery Tierra Co., Ltd. | 206 |
36 |
| Deere & Company | 8097 |
24 |
| Caterpillar SARL | 486 |
20 |
| Caterpillar Global Mining LLC | 207 |
15 |
| Sumitomo Heavy Industries, Ltd. | 2112 |
14 |
| Yanmar Holdings Co., Ltd. | 610 |
13 |
| Doosan Bobcat North America Inc. | 650 |
13 |
| Caterpillar Japan Ltd. | 34 |
11 |
| Clark Equipment Company | 292 |
11 |
| Sumitomo(s.h.i.) Construction Machinery Co., Ltd. | 243 |
11 |
| Joy Global Surface Mining Inc | 372 |
11 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3259 |
11 |
| Nabtesco Corporation | 862 |
9 |
| Other owners | 340 |