- All sections
- E - Fixed constructions
- E02F - Dredging; soil-shifting
- E02F 9/26 - Indicating devices
Patent holdings for IPC class E02F 9/26
Total number of patents in this class: 3778
10-year publication summary
|
185
|
263
|
302
|
357
|
347
|
492
|
484
|
506
|
462
|
153
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Komatsu Ltd. | 4265 |
826 |
| Hitachi Construction Machinery Co., Ltd. | 2498 |
442 |
| Caterpillar Inc. | 8877 |
352 |
| Kobelco Construction Machinery Co., Ltd. | 1048 |
216 |
| Deere & Company | 6845 |
181 |
| Sumitomo Heavy Industries, Ltd. | 1670 |
133 |
| Sumitomo(s.h.i.) Construction Machinery Co., Ltd. | 245 |
121 |
| Sumitomo Construction Machinery Co., Ltd. | 175 |
90 |
| Volvo Construction Equipment AB | 1172 |
60 |
| Joy Global Surface Mining Inc | 356 |
57 |
| Caterpillar Trimble Control Technologies LLC | 134 |
55 |
| Kubota Corporation | 3054 |
53 |
| Caterpillar SARL | 441 |
45 |
| Yanmar Holdings Co., Ltd. | 380 |
43 |
| ESCO Group LLC | 321 |
33 |
| Blue Leaf I.P., Inc. | 2758 |
29 |
| Built Robotics Inc. | 83 |
28 |
| Clark Equipment Company | 335 |
27 |
| HD Hyundai Infracore Co., Ltd | 252 |
27 |
| Metalogenia Research & Technologies S.L. | 90 |
25 |
| Other owners | 935 |