CPC Main Group Additional Only
E04B 2103/00 Material constitution of slabs, sheets or the like
3 direct subcodes
Child Classifications
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- E04B 2103/02 of ceramics, concrete or other stone-like material
- E04B 2103/04 of plastics, fibrous material or wood
- E04B 2103/06 of metal
Top Applicants
Top 10 applicants by patent filingsfor class E04, 2013–2023, worldwide · Source: EPO PATSTAT
- CHINA CONSTRUCTION EIGHTH ENGINEERING DIVISION 1,675
- CHINA MCC17 GROUP COMPANY 1,593
- ZHEJIANG YASHA DECORATION COMPANY 1,551
- SGCC(STATE GRID CORPORATION OF CHINA) 1,297
- GOLD MANTIS FINE DECORATION TECHNOLOGY (SUZHOU) COMPANY 1,212
- SHENYANG JIANZHU UNIVERSITY 926
- VAELINGE INNOVATION SE 901
- CHINA MCC5 GROUP CORPORATION 894
- VKR HOLDING DK 854
- SHANGHAI BAOYE GROUP CORPORATION 753