Structures or apparatus for, or methods of, protecting banks, coasts, or harbours

Introduced: September 1968

Last revised: January 2006

Full Title

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

Classification Context

Section:: FIXED CONSTRUCTIONS
Class:: HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL-SHIFTING
Subclass:: HYDRAULIC ENGINEERING

Filing statistics

IPC E02B 3/04 belongs to the parent subclass E02B, which recorded 132,137 patent applications worldwide between 2013 and 2023. Annual filings grew from 5,392 in 2013 to 17,456 in 2023 (+224%), peaking at 20,009 applications in 2020. The most active applicants in class E02 are KOMATSU (3,549 applications), CATERPILLAR (2,893 applications) and HITACHI CONSTRUCTION MACHINERY COMPANY (2,390 applications).

Source: EPO PATSTAT, worldwide filings

Related Keywords

GABIONSPROTECTION of banks, coasts or harbours

3 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

E02B 3/06 Moles; Piers; Quays; Quay walls; Groynes; Breakwaters
E02B 3/1 Dams; Dykes; Sluice ways or other structures for dykes, dams, or the like
E02B 3/12 Revetment of banks, dams, watercourses, or the like

Top Applicants

Top 10 applicants by patent filingsfor 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