E02F 3/38 Cantilever beams ; Dipper-arms ; Bucket-arms
Introduced: September 1968
Title
Titles differ between systems:
IPC: Cantilever beams; Dipper-arms; Bucket-arms
CPC: Cantilever beams ; Dipper-arms ; Bucket-arms
Full Title
Full titles differ between systems:
Dredgers; Soil-shifting machines > mechanically-driven > with digging tools mounted on a dipper- or bucket-arm, e.g. dippers, buckets > Component parts > Cantilever beams; Dipper-arms; Bucket-arms
Dredgers; Soil-shifting machines (for special purposes E02F5/00; other machines or apparatus for mining E21C; tunnelling E21D) > mechanically-driven > with digging tools mounted on a dipper- or bucket-arm , e.g. dippers, buckets > Component parts > Cantilever beams ; Dipper-arms ; Bucket-arms
Of 3 combined children, 0 exist in both systems.
2 codes are CPC-only extensions, 1 exist only in IPC.
IPC defines codes here since 1985.
Child Classifications
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Top Applicants
Top Applicants (IPC)
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
Top Applicants (CPC)
Class E02,2013–2023, worldwide · Source: EPO PATSTAT
- KOMATSU JP 3,939
- CATERPILLAR US 3,490
- HITACHI CONSTRUCTION MACHINERY COMPANY JP 2,553
- KOMATSU 1,789
- JOHN DEERE US 1,277
- HITACHI CONSTRUCTION MACHINERY COMPANY 1,102
- KOBELCO CONSTRUCTION MACHINERY COMPANY JP 1,014
- HOHAI UNIVERSITY 975
- CHINA MCC17 GROUP COMPANY 810
- VOLVO CONSTRUCTION EQUIPMENT SE 787