- 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: 4585
10-year publication summary
|
252
|
293
|
348
|
337
|
461
|
475
|
491
|
455
|
443
|
492
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Komatsu Ltd. | 4621 |
959 |
| Hitachi Construction Machinery Co., Ltd. | 2685 |
491 |
| Caterpillar Inc. | 9858 |
434 |
| Kobelco Construction Machinery Co., Ltd. | 1160 |
270 |
| Deere & Company | 7785 |
221 |
| Sumitomo Heavy Industries, Ltd. | 1984 |
179 |
| Sumitomo Construction Machinery Co., Ltd. | 226 |
126 |
| Sumitomo(s.h.i.) Construction Machinery Co., Ltd. | 243 |
120 |
| Kubota Corporation | 4070 |
91 |
| Volvo Construction Equipment AB | 1214 |
80 |
| Joy Global Surface Mining Inc | 368 |
61 |
| Yanmar Holdings Co., Ltd. | 553 |
60 |
| Caterpillar SARL | 480 |
58 |
| Caterpillar Trimble Control Technologies LLC | 132 |
57 |
| HD Hyundai Infracore Co., Ltd | 286 |
42 |
| Great Plains Manufacturing, Inc. | 247 |
36 |
| Blue Leaf I.P., Inc. | 2782 |
33 |
| Metalogenia Research & Technologies S.L. | 109 |
33 |
| ESCO Group LLC | 321 |
33 |
| Doosan Bobcat North America Inc. | 599 |
33 |
| Other owners | 1168 |