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CPC Subgroup
E04C 3/005

Full Title

Structural elongated elements designed for load-supporting (as building aids E04G)

Filing statistics

CPC E04C 3/005 belongs to the parent subclass E04C, which recorded 58,394 patent applications worldwide between 2013 and 2023. Annual filings grew from 3,956 in 2013 to 4,863 in 2023 (+23%), peaking at 6,403 applications in 2017. The most active applicants in class E04 are CHINA CONSTRUCTION EIGHTH ENGINEERING DIVISION (1,675 applications), CHINA MCC17 GROUP COMPANY (1,593 applications) and ZHEJIANG YASHA DECORATION COMPANY (1,551 applications).

Source: EPO PATSTAT, worldwide filings

Top Applicants

Top 10 applicants by patent filingsfor 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