IPC Main Group
E02F 9/00 Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- FIXED CONSTRUCTIONS
- Class:
- HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL-SHIFTING
- Subclass:
- DREDGING; SOIL-SHIFTING
10 direct subcodes
Child Classifications
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- E02F 9/02 Travelling gear
- E02F 9/06 Floating substructures as supports
- E02F 9/08 Superstructures; Supports for superstructures
- E02F 9/14 Booms; Cable suspensions
- E02F 9/16 Cabins, platforms, or the like for the driver
- E02F 9/18 Counterweights
- E02F 9/2 Drives; Control devices
- E02F 9/24 Safety devices
- E02F 9/26 Indicating devices
- E02F 9/28 Small metalwork for digging elements, e.g. teeth
Top Applicants
Top 10 applicants by patent filingsfor class E02, 2013–2023, worldwide · Source: EPO PATSTAT
- KOMATSU JP 3,549
- CATERPILLAR US 2,893
- HITACHI CONSTRUCTION MACHINERY COMPANY JP 2,390
- HITACHI CONSTRUCTION MACHINERY COMPANY 2,340
- POWERCHINA HUADONG ENGINEERING CORPORATION 2,336
- CHINA CONSTRUCTION EIGHTH ENGINEERING DIVISION 2,174
- SGCC(STATE GRID CORPORATION OF CHINA) 2,119
- HOHAI UNIVERSITY 1,821
- KOMATSU 1,775
- POWERCHINA GUIYANG ENGINEERING CORPORATION 1,725