- 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 |