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PCE
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CPC Subgroup
E04F 21/18

for setting wall or ceiling slabs or plates (tools for mosaic work B44C)

Full Title

Implements for finishing work on buildings (for working or treating building elements of stone or stone-like material B28D) > for setting wall or ceiling slabs or plates (tools for mosaic work B44C)

3 direct subcodes

Child Classifications

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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