CPC Subgroup
E02F 3/30 with a dipper-arm pivoted on a cantilever beam
Full Title
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 > with a dipper-arm pivoted on a cantilever beam
9 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- E02F 3/32 working downwardly and towards the machine, e.g. with backhoes
Top Applicants
Top 10 applicants by patent filingsfor 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