IPC Subgroup
E02B 15/04 Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
Introduced: September 1968
Last revised: January 2006
Full Title
Cleaning or keeping clear the surface of open water; Apparatus therefor > Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
Classification Context
- Section:
- FIXED CONSTRUCTIONS
- Class:
- HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL-SHIFTING
- Subclass:
- HYDRAULIC ENGINEERING
Related Keywords
BOOMS for preventing spread of oil on water surfacesclearing OIL(S) from open waterremoving OIL(S) pollution from waterseparating or removing floating material on waterremoving oil pollution from open WATER
3 direct subcodes
Child Classifications
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- E02B 15/06 Barriers therefor
- E02B 15/08 Devices for reducing the polluted area without removing the material
- E02B 15/1 Devices for removing the material from the surface
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