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CPC Subgroup Additional Only
E04F 2201/09

Puzzle-type connections for interlocking male and female panel edge-parts

Full Title

Joining sheets or plates or panels > Puzzle-type connections for interlocking male and female panel edge-parts

5 direct subcodes

Child Classifications

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  • E04F 2201/091 with the edge-parts forming part of the panel body
  • E04F 2201/093 with the edge-parts being separate elements not being part of the panel body
  • E04F 2201/095 with both connection parts, i.e. male and female connection parts alternating on one edge
  • E04F 2201/096 with only one type of connection parts, i.e. with male or female on one edge
  • E04F 2201/098 wherein the interlocking male and female edge-parts have a dovetail, mushroom or similar shape

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