- All sections
- E - Fixed constructions
- E02F - Dredgingsoil-shifting
- E02F 9/26 - Indicating devices
Patent holdings for IPC class E02F 9/26
Total number of patents in this class: 4463
10-year publication summary
|
252
|
293
|
348
|
337
|
461
|
475
|
490
|
455
|
441
|
395
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Komatsu Ltd. | 4576 |
943 |
| Hitachi Construction Machinery Co., Ltd. | 2650 |
486 |
| Caterpillar Inc. | 9647 |
415 |
| Kobelco Construction Machinery Co., Ltd. | 1152 |
263 |
| Deere & Company | 7660 |
214 |
| Sumitomo Heavy Industries, Ltd. | 1949 |
174 |
| Sumitomo Construction Machinery Co., Ltd. | 225 |
125 |
| Sumitomo(s.h.i.) Construction Machinery Co., Ltd. | 243 |
120 |
| Kubota Corporation | 3983 |
88 |
| Volvo Construction Equipment AB | 1198 |
73 |
| Joy Global Surface Mining Inc | 367 |
61 |
| Yanmar Holdings Co., Ltd. | 530 |
58 |
| Caterpillar SARL | 478 |
57 |
| Caterpillar Trimble Control Technologies LLC | 131 |
56 |
| HD Hyundai Infracore Co., Ltd | 283 |
40 |
| Blue Leaf I.P., Inc. | 2796 |
33 |
| Great Plains Manufacturing, Inc. | 243 |
33 |
| Built Robotics Inc. | 105 |
32 |
| ESCO Group LLC | 316 |
32 |
| Doosan Bobcat North America Inc. | 585 |
32 |
| Other owners | 1128 |