IPC Subgroup
E04F 13/21 Fastening means specially adapted for covering or lining elements
Introduced: January 2006
Full Title
Coverings or linings, e.g. for walls or ceilings > composed of covering or lining elements; Sub-structures therefor; Fastening means therefor > Fastening means specially adapted for covering or lining elements
Classification Context
- Section:
- FIXED CONSTRUCTIONS
- Class:
- BUILDING
- Subclass:
- FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
4 direct subcodes
Child Classifications
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- E04F 13/22 Anchors, support angles or consoles
- E04F 13/24 Hidden fastening means on the rear of the covering or lining elements
- E04F 13/26 Edge engaging fastening means, e.g. clamps, clips or border profiles
- E04F 13/3 Magnetic fastening means
Top Applicants
Top 10 applicants by patent filingsfor class E04, 2013–2023, worldwide · Source: EPO PATSTAT
- CHINA CONSTRUCTION EIGHTH ENGINEERING DIVISION 6,575
- ZHEJIANG YASHA DECORATION COMPANY 4,488
- SGCC(STATE GRID CORPORATION OF CHINA) 4,427
- CHINA CONSTRUCTION SECOND ENGINEERING BUREAU 4,352
- CHINA MCC17 GROUP COMPANY 3,122
- GOLD MANTIS FINE DECORATION TECHNOLOGY (SUZHOU) COMPANY 2,605
- SHENYANG JIANZHU UNIVERSITY 2,420
- CHINA CONSTRUCTION SEVENTH ENGINEERING DIVISION COMPANY 2,284
- CHINA CONSTRUCTION FIFTH ENGINEERING DIVISION CORPORATION 2,008
- CHINA CONSTRUCTION FIRST BUILDING (GROUP) CORPORATION 1,967