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

Introduced: September 1968

Title

Titles differ between systems:

IPC: Engineering work in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering work in general

CPC: 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

Full Title

Full titles differ between systems:

IPC:

Engineering work in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering work in general

CPC:

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

IPC and CPC are identically structured here. All 5 subcodes exist in both systems.

5 shared codes have differing titles between IPC and CPC.

Child Classifications

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E02B 3/02 Stream regulation, e.g. breaking up subaqueous rock, cleaning the beds of waterways, directing the water flow (; dredging or scraping devices E02F5/28) +2 CPC IPC+CPC Available in IPC and CPC
E02B 3/04 Structures or apparatus for, or methods of, protecting banks, coasts, or harbours ( sealing or joints E02B3/16 ) +3 CPC IPC+CPC Available in IPC and CPC
E02B 3/16 Sealings or joints (; joints for foundation structures E02D29/16; sealing joints not restricted to hydraulic engineering work E04B1/68) IPC+CPC Available in IPC and CPC
E02B 3/18 Reclamation of land from water (drainage of soil E02B11/00) IPC+CPC Available in IPC and CPC
E02B 3/20 Equipment for shipping on coasts, in harbours or on other fixed marine structures, e.g. bollards (tying-up, anchoring B63B21/00, e.g. bollards for shipping B63B21/06; buoys B63B22/00 ) IPC+CPC Available in IPC and CPC

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