- 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: 4889
10-year publication summary
|
302
|
356
|
348
|
494
|
493
|
517
|
482
|
463
|
518
|
283
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Komatsu Ltd. | 4723 |
1013 |
| Hitachi Construction Machinery Co., Ltd. | 2752 |
524 |
| Caterpillar Inc. | 10267 |
458 |
| Kobelco Construction Machinery Co., Ltd. | 1210 |
283 |
| Deere & Company | 8097 |
238 |
| Sumitomo Heavy Industries, Ltd. | 2112 |
191 |
| Sumitomo Construction Machinery Co., Ltd. | 242 |
130 |
| Sumitomo(s.h.i.) Construction Machinery Co., Ltd. | 243 |
120 |
| Kubota Corporation | 4391 |
113 |
| Volvo Construction Equipment AB | 1222 |
86 |
| Yanmar Holdings Co., Ltd. | 610 |
70 |
| Joy Global Surface Mining Inc | 372 |
61 |
| Caterpillar SARL | 486 |
60 |
| Caterpillar Trimble Control Technologies LLC | 131 |
57 |
| Great Plains Manufacturing, Inc. | 269 |
51 |
| Doosan Bobcat North America Inc. | 650 |
37 |
| Metalogenia Research & Technologies S.L. | 114 |
36 |
| Blue Leaf I.P., Inc. | 2932 |
34 |
| Built Robotics Inc. | 95 |
32 |
| ESCO Group LLC | 311 |
32 |
| Other owners | 1263 |