- All sections
- E - Fixed constructions
- E02F - Dredging; soil-shifting
- E02F 3/36 - Component parts
Patent holdings for IPC class E02F 3/36
Total number of patents in this class: 1046
10-year publication summary
|
75
|
92
|
105
|
102
|
116
|
101
|
84
|
79
|
95
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Caterpillar Inc. | 9158 |
73 |
| Deere & Company | 7336 |
52 |
| Komatsu Ltd. | 4420 |
35 |
| Caterpillar Work Tools B.V. | 75 |
32 |
| Kubota Corporation | 3492 |
30 |
| Joy Global Surface Mining Inc | 359 |
28 |
| Volvo Construction Equipment AB | 1193 |
27 |
| Wedgelock Equipment Limited | 27 |
22 |
| OilQuick Deutschland KG | 32 |
21 |
| Clark Equipment Company | 317 |
20 |
| Indexator Rotator Systems AB | 38 |
19 |
| Doosan Bobcat North America Inc. | 554 |
19 |
| Kobelco Construction Machinery Co., Ltd. | 1075 |
15 |
| Hitachi Construction Machinery Co., Ltd. | 2564 |
13 |
| Rototilt Group AB | 39 |
13 |
| Blue Leaf I.P., Inc. | 2828 |
12 |
| Caterpillar Global Mining LLC | 202 |
12 |
| Guangxi Liugong Machinery Co., Ltd. | 52 |
10 |
| Kinshofer GmbH | 13 |
10 |
| Caterpillar SARL | 468 |
9 |
| Other owners | 574 |