- 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: 6162
10-year publication summary
|
383
|
412
|
445
|
521
|
511
|
564
|
506
|
462
|
569
|
290
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Komatsu Ltd. | 4699 |
1007 |
| Hitachi Construction Machinery Co., Ltd. | 2748 |
776 |
| Caterpillar Inc. | 10269 |
573 |
| Kobelco Construction Machinery Co., Ltd. | 1206 |
327 |
| Deere & Company | 8072 |
258 |
| Volvo Construction Equipment AB | 1223 |
217 |
| Kubota Corporation | 4385 |
213 |
| Sumitomo Heavy Industries, Ltd. | 2105 |
204 |
| Doosan Bobcat North America Inc. | 648 |
119 |
| Sumitomo(s.h.i.) Construction Machinery Co., Ltd. | 243 |
103 |
| Sumitomo Construction Machinery Co., Ltd. | 242 |
103 |
| Joy Global Surface Mining Inc | 372 |
75 |
| Doosan Infracore Co., Ltd. | 308 |
72 |
| Hitachi Construction Machinery Tierra Co., Ltd. | 205 |
66 |
| Yanmar Holdings Co., Ltd. | 605 |
62 |
| Caterpillar SARL | 485 |
57 |
| Blue Leaf I.P., Inc. | 2933 |
55 |
| Clark Equipment Company | 292 |
55 |
| Great Plains Manufacturing, Inc. | 267 |
49 |
| ZF Friedrichshafen AG | 7232 |
44 |
| Other owners | 1727 |