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CPC Subgroup
E04C 5/065

Light-weight girders, e.g. with precast parts (light-weight girders in general E04C3/08, E04C3/294)

Full Title

Reinforcing elements, e.g. for concrete; Auxiliary elements therefor ( material composition C21, C22) > Reinforcing elements of metal, e.g. with non-structural coatings > of high bending resistance, i.e. of essentially three-dimensional [3D] extent, e.g. lattice girders > Light-weight girders, e.g. with precast parts (light-weight girders in general E04C3/08, E04C3/294)

1 direct subcode

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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