- All sections
- E - Fixed constructions
- E02F - Dredgingsoil-shifting
- E02F 3/36 - Component parts
Patent holdings for IPC class E02F 3/36
Total number of patents in this class: 1061
10-year publication summary
|
67
|
80
|
94
|
88
|
95
|
88
|
71
|
68
|
92
|
46
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Caterpillar Inc. | 9579 |
78 |
| Deere & Company | 7625 |
52 |
| Komatsu Ltd. | 4557 |
39 |
| Caterpillar Work Tools B.V. | 76 |
33 |
| Kubota Corporation | 3919 |
32 |
| Joy Global Surface Mining Inc | 365 |
28 |
| Volvo Construction Equipment AB | 1193 |
27 |
| OilQuick Deutschland KG | 38 |
26 |
| Wedgelock Equipment Limited | 31 |
24 |
| Doosan Bobcat North America Inc. | 576 |
20 |
| Indexator Rotator Systems AB | 37 |
19 |
| Clark Equipment Company | 309 |
18 |
| Kobelco Construction Machinery Co., Ltd. | 1140 |
16 |
| Hitachi Construction Machinery Co., Ltd. | 2646 |
13 |
| Rototilt Group AB | 40 |
13 |
| Blue Leaf I.P., Inc. | 2805 |
12 |
| Caterpillar Global Mining LLC | 203 |
12 |
| Caterpillar SARL | 478 |
10 |
| Guangxi Liugong Machinery Co., Ltd. | 55 |
10 |
| Ålö AB | 41 |
8 |
| Other owners | 571 |