CPC Subgroup Additional Only
E04F 2201/05 Separate connectors or inserts, e.g. pegs, pins, keys or strips
Full Title
Joining sheets or plates or panels > Separate connectors or inserts, e.g. pegs, pins, keys or strips
5 direct subcodes
Child Classifications
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- E04F 2201/0505 Pegs or pins
- E04F 2201/0511 Strips or bars, e.g. nailing strips
- E04F 2201/0517 U- or C-shaped brackets and clamps
- E04F 2201/0523 Separate tongues; Interlocking keys, e.g. joining mouldings of circular, square or rectangular shape
- E04F 2201/0594 Hinge-like connectors
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