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PCE
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CPC Subgroup Additional Only
E04F 2203/08

with a plurality of grooves or slits in the back side, to increase the flexibility or bendability of the elements

Full Title

Specially structured or shaped covering, lining or flooring elements not otherwise provided for > with a plurality of grooves or slits in the back side, to increase the flexibility or bendability of the elements

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