CPC Class Not Allocatable
E02 HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
Description
Class E02 encompasses structures and engineering works related to water management, ground stabilization, and earth movement. It covers hydraulic infrastructure such as dams, locks, canals, and flood control systems, as well as foundation design and soil mechanics for construction projects. The class also includes techniques for excavation, dredging, soil compaction, and ground improvement methods. Adjacent classes address specialized building construction (E04) and general civil engineering works beyond the hydraulic and soil-related scope of E02.
4 direct subcodes
Child Classifications
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Top Applicants
Top 10 applicants by patent filings, 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