- All sections
- E - Fixed constructions
- E02F - Dredging; soil-shifting
- E02F 3/85 - Applications of hydraulic or pneumatic systems
Patent holdings for IPC class E02F 3/85
Total number of patents in this class: 157
10-year publication summary
1
|
4
|
4
|
36
|
23
|
24
|
8
|
15
|
13
|
3
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Komatsu Ltd. | 4265 |
101 |
Kobelco Construction Machinery Co., Ltd. | 1048 |
7 |
Caterpillar Inc. | 8877 |
5 |
Hitachi Construction Machinery Tierra Co., Ltd. | 182 |
5 |
Hitachi Construction Machinery Co., Ltd. | 2498 |
3 |
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
3 |
Sany Heavy Industry Co., Ltd. | 243 |
3 |
Yanmar Power Technology Co., Ltd. | 599 |
3 |
Hunan Sany Intelligent Control Equipment Co., Ltd. | 341 |
2 |
XCMG Excavator Machinery Co., Ltd | 2 |
2 |
Yanmar Co., Ltd. | 1479 |
2 |
Deere & Company | 6845 |
1 |
Purdue Research Foundation | 3277 |
1 |
Anderson, Alan | 1 |
1 |
Avant Tecno Oy | 26 |
1 |
Chalmers, Steven | 2 |
1 |
Changsha Zoomlion Heavy Industry Science and Technology Development Co., Ltd. | 195 |
1 |
Clean Harbors Industrial Services, Inc. | 13 |
1 |
Hunan Zoomlion Special Vehicle Co., Ltd. | 361 |
1 |
LaValley Industries, LLC | 69 |
1 |
Other owners | 12 |