- All sections
- E - Fixed constructions
- E02F - Dredgingsoil-shifting
- E02F 3/34 - DredgersSoil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, e.g. dippers, buckets with bucket-arms directly pivoted on the frames of tractors or self-propelled machines
Patent holdings for IPC class E02F 3/34
Total number of patents in this class: 712
10-year publication summary
|
74
|
83
|
60
|
75
|
65
|
57
|
59
|
64
|
43
|
27
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kubota Corporation | 4401 |
112 |
| Deere & Company | 8118 |
75 |
| Doosan Bobcat North America Inc. | 650 |
62 |
| Caterpillar Inc. | 10281 |
52 |
| Komatsu Ltd. | 4733 |
51 |
| Great Plains Manufacturing, Inc. | 269 |
46 |
| Clark Equipment Company | 289 |
31 |
| Blue Leaf I.P., Inc. | 2932 |
26 |
| Hitachi Construction Machinery Co., Ltd. | 2755 |
20 |
| The Toro Company | 1018 |
16 |
| Caterpillar SARL | 486 |
12 |
| Volvo Construction Equipment AB | 1221 |
12 |
| Vermeer Manufacturing Company | 672 |
11 |
| CNH Industrial America LLC | 1740 |
7 |
| J.C. Bamford Excavators Limited | 446 |
6 |
| Bad Boy Mowers, LLC | 91 |
6 |
| Yanmar Power Technology Co., Ltd. | 580 |
6 |
| Joy Global Longview Operations LLC | 14 |
5 |
| Sandvik Mining and Construction Oy | 887 |
4 |
| Rockford Rigging, Inc. | 4 |
4 |
| Other owners | 148 |