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DIFF Subgroup
E04G 11/56

of telescopic type

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs > for floors, ceilings, or roofs of plane or curved surfaces > Supporting structures for shutterings or frames for floors or roofs > Girders, beams, or the like as supporting members for forms > of extensible type, with or without adjustable supporting shoes, fishplates, or the like > of telescopic type

CPC:

Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs > for floors, ceilings, or roofs of plane or curved surfaces > Supporting structures for shutterings or frames for floors or roofs (struts E04G25/00) > Girders, beams, or the like as supporting members for forms (girders intended to form part of the construction E04C3/02; members, e.g. consoles, for attachment to the wall E04G17/16) > of extensible type, with or without adjustable supporting shoes, fishplates, or the like > of telescopic type

No child classifications to compare. This is a leaf node in both IPC and CPC.

Top Applicants

Top Applicants (IPC)

Class E04,2013–2023, worldwide · Source: EPO PATSTAT

  1. CHINA CONSTRUCTION EIGHTH ENGINEERING DIVISION 6,575
  2. ZHEJIANG YASHA DECORATION COMPANY 4,488
  3. SGCC(STATE GRID CORPORATION OF CHINA) 4,427
  4. CHINA CONSTRUCTION SECOND ENGINEERING BUREAU 4,352
  5. CHINA MCC17 GROUP COMPANY 3,122
  6. GOLD MANTIS FINE DECORATION TECHNOLOGY (SUZHOU) COMPANY 2,605
  7. SHENYANG JIANZHU UNIVERSITY 2,420
  8. CHINA CONSTRUCTION SEVENTH ENGINEERING DIVISION COMPANY 2,284
  9. CHINA CONSTRUCTION FIFTH ENGINEERING DIVISION CORPORATION 2,008
  10. CHINA CONSTRUCTION FIRST BUILDING (GROUP) CORPORATION 1,967

Top Applicants (CPC)

Class E04,2013–2023, worldwide · Source: EPO PATSTAT

  1. CHINA CONSTRUCTION EIGHTH ENGINEERING DIVISION 1,675
  2. CHINA MCC17 GROUP COMPANY 1,593
  3. ZHEJIANG YASHA DECORATION COMPANY 1,551
  4. SGCC(STATE GRID CORPORATION OF CHINA) 1,297
  5. GOLD MANTIS FINE DECORATION TECHNOLOGY (SUZHOU) COMPANY 1,212
  6. SHENYANG JIANZHU UNIVERSITY 926
  7. VAELINGE INNOVATION SE 901
  8. CHINA MCC5 GROUP CORPORATION 894
  9. VKR HOLDING DK 854
  10. SHANGHAI BAOYE GROUP CORPORATION 753