CPC Subgroup
E02C 1/08 Arrangements for dissipating the energy of the water (carried by lock gates E02B8/06)
Full Title
Locks ; Shaft locks, i.e. locks of which one front side is formed by a solid wall with an opening in the lower part through which the ships pass (lock gates E02B7/20 ) > Arrangements for dissipating the energy of the water (carried by lock gates E02B8/06)
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