IPC Main Group
E04D 1/00 Roof covering by making use of tiles, slates, shingles, or other small roofing elements
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- FIXED CONSTRUCTIONS
- Class:
- BUILDING
- Subclass:
- ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
Related Keywords
SHINGLES adapted for roof coveringTILES adapted for roof covering
8 direct subcodes
Child Classifications
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- E04D 1/02 Grooved or vaulted roofing elements
- E04D 1/12 Roofing elements shaped as plain tiles or shingles, i.e. with flat outer surface
- E04D 1/24 Roofing elements with cavities, e.g. hollow tiles
- E04D 1/26 Strip-shaped roofing elements appearing as a row of shingles
- E04D 1/28 Roofing elements comprising two or more layers, e.g. for insulation
- E04D 1/3 Special roof-covering elements, e.g. ridge tiles, gutter tiles, gable tiles, ventilation tiles
- E04D 1/34 Fastenings for attaching roof-covering elements to the supporting elements
- E04D 1/36 Devices for sealing the spaces or joints between roof-covering elements
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