CPC Main Group
E02D 15/00 Handling building or like materials for hydraulic engineering or foundations ( conveying or working-up concrete or similar masses in general E04G21/02)
3 direct subcodes
Child Classifications
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- E02D 15/02 Handling of bulk concrete specially for foundation purposes
- E02D 15/08 Sinking workpieces into water or soil
- E02D 15/10 Placing gravel or light material under water
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