IPC Main Group
E02B 3/00 Engineering work in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering work in general
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- FIXED CONSTRUCTIONS
- Class:
- HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL-SHIFTING
- Subclass:
- HYDRAULIC ENGINEERING
Filing statistics
IPC E02B 3/00 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
engineering work for protecting river BANK(S)BEACH(ES) workBREASTWORKS for beachesengineering work for COASTSengineering work for protecting river EMBANKMENTSpreventing EROSION of sea coastsFLOATING piersengineering work for HARBOURSJETTIESengineering work for MARINE sitesengineering work for RIVERSpreventing SCOURING by rivers or seaSEA wallsharbour equipment for SHIP(S)hydraulic engineering work for protecting sea SHORESSTAITHES for loading shipshydraulic engineering work for regulation and use of STREAMSprotecting coasts or harbours against WAVE action
5 direct subcodes
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
- E02B 3/04 Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B 3/16 Sealings or joints
- E02B 3/18 Reclamation of land from water
- E02B 3/2 Equipment for shipping on coasts, in harbours or on other fixed marine structures, e.g. bollards
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