- All sections
- E - Fixed constructions
- E02F - Dredging; soil-shifting
- E02F 9/08 - Superstructures; Supports for superstructures
Patent holdings for IPC class E02F 9/08
Total number of patents in this class: 1118
10-year publication summary
|
161
|
164
|
107
|
112
|
81
|
76
|
95
|
80
|
111
|
34
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Komatsu Ltd. | 4265 |
204 |
| Caterpillar Inc. | 8877 |
104 |
| Kubota Corporation | 3054 |
83 |
| Hitachi Construction Machinery Co., Ltd. | 2498 |
82 |
| Kobelco Construction Machinery Co., Ltd. | 1048 |
62 |
| Caterpillar SARL | 441 |
53 |
| Volvo Construction Equipment AB | 1172 |
51 |
| Deere & Company | 6845 |
28 |
| Hitachi Construction Machinery Tierra Co., Ltd. | 182 |
25 |
| Yanmar Power Technology Co., Ltd. | 599 |
25 |
| Doosan Bobcat North America Inc. | 508 |
23 |
| Yanmar Holdings Co., Ltd. | 380 |
22 |
| J.C. Bamford Excavators Limited | 398 |
14 |
| Caterpillar Underground Mining Pty. Ltd. | 57 |
11 |
| Clark Equipment Company | 335 |
11 |
| Great Plains Manufacturing, Inc. | 199 |
11 |
| Blue Leaf I.P., Inc. | 2758 |
9 |
| Vermeer Manufacturing Company | 615 |
8 |
| Caterpillar Global Mining LLC | 199 |
6 |
| Caterpillar Paving Products Inc. | 628 |
6 |
| Other owners | 280 |