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IPC Main Group
E02F 7/00

Equipment for conveying or separating excavated material

Introduced: September 1968

Last revised: January 2006

Classification Context

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

Related Keywords

CONVEYING of excavated material in soil shiftingSEPARATING of excavated material

4 direct subcodes

Child Classifications

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  • E02F 7/02 Conveying equipment mounted on a dredger
  • E02F 7/04 Loading devices mounted on a dredger
  • E02F 7/06 Delivery chutes or screening plants mounted on a dredger
  • E02F 7/1 Pipe-lines for conveying excavated materials

Top Applicants

Top 10 applicants by patent filingsfor class E02, 2013–2023, worldwide · Source: EPO PATSTAT

  1. KOMATSU JP 3,549
  2. CATERPILLAR US 2,893
  3. HITACHI CONSTRUCTION MACHINERY COMPANY JP 2,390
  4. HITACHI CONSTRUCTION MACHINERY COMPANY 2,340
  5. POWERCHINA HUADONG ENGINEERING CORPORATION 2,336
  6. CHINA CONSTRUCTION EIGHTH ENGINEERING DIVISION 2,174
  7. SGCC(STATE GRID CORPORATION OF CHINA) 2,119
  8. HOHAI UNIVERSITY 1,821
  9. KOMATSU 1,775
  10. POWERCHINA GUIYANG ENGINEERING CORPORATION 1,725