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IPC Subgroup
E02B 17/04

Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction

Introduced: September 1968

Last revised: January 2006

Full Title

Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs; Construction methods therefor > Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction

Classification Context

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

Related Keywords

LIFTING or lowering of platforms of artificial islands

2 direct subcodes

Child Classifications

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  • E02B 17/06 for immobilising, e.g. using wedges or clamping rings
  • E02B 17/08 for raising or lowering

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