E02B 3/12 Revetment of banks, dams, watercourses, or the like, (of slopes in general E02D17/20)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Revetment of banks, dams, watercourses, or the like
CPC: Revetment of banks, dams, watercourses, or the like, (of slopes in general E02D17/20)
Full Title
Full titles differ between systems:
Engineering work in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering work in general > Structures or apparatus for, or methods of, protecting banks, coasts, or harbours > Revetment of banks, dams, watercourses, or the like
Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites (barrages or weirs E02B7/00); Sealings or joints for engineering works in general > Structures or apparatus for, or methods of, protecting banks, coasts, or harbours ( sealing or joints E02B3/16 ) > Revetment of banks, dams, watercourses, or the like, (of slopes in general E02D17/20)
CPC subdivides this area 5x more granularly than IPC with 4 additional codes.
4 codes are CPC-only extensions.
1 shared codes have differing titles between IPC and CPC.
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