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PCE
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CPC Subgroup
E04H 3/24

Constructional features of stages

Full Title

Buildings or groups of buildings for public or similar purposes; Institutions, e.g. infirmaries or prisons > for meetings, entertainments, or sports > Theatres; Concert halls; Studios for broadcasting, cinematography, television or similar purposes > Constructional features of stages

2 direct subcodes

Child Classifications

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  • E04H 3/26 Revolving stages; Stages able to be lowered
  • E04H 3/28 Shiftable or portable platforms

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