- All sections
- E - Fixed constructions
- E02F - Dredgingsoil-shifting
- E02F 9/20 - DrivesControl devices
Patent holdings for IPC class E02F 9/20
Total number of patents in this class: 5551
10-year publication summary
390
|
383
|
412
|
445
|
520
|
510
|
562
|
505
|
434
|
241
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Komatsu Ltd. | 4505 |
921 |
Hitachi Construction Machinery Co., Ltd. | 2620 |
732 |
Caterpillar Inc. | 9449 |
530 |
Kobelco Construction Machinery Co., Ltd. | 1133 |
288 |
Deere & Company | 7495 |
226 |
Volvo Construction Equipment AB | 1185 |
202 |
Sumitomo Heavy Industries, Ltd. | 1867 |
180 |
Kubota Corporation | 3718 |
167 |
Sumitomo(s.h.i.) Construction Machinery Co., Ltd. | 243 |
103 |
Sumitomo Construction Machinery Co., Ltd. | 199 |
92 |
Doosan Bobcat North America Inc. | 566 |
89 |
Joy Global Surface Mining Inc | 362 |
77 |
Doosan Infracore Co., Ltd. | 309 |
72 |
Hitachi Construction Machinery Tierra Co., Ltd. | 195 |
63 |
Caterpillar SARL | 477 |
56 |
Clark Equipment Company | 306 |
53 |
HD Hyundai Infracore Co., Ltd | 272 |
53 |
Blue Leaf I.P., Inc. | 2824 |
52 |
Yanmar Holdings Co., Ltd. | 483 |
40 |
ZF Friedrichshafen AG | 7119 |
37 |
Other owners | 1518 |