Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
IPC Subgroup
E04D 13/18

Roof covering aspects of energy collecting devices, e.g. including solar panels

Introduced: January 1985

Last revised: January 2018

Full Title

Special arrangements or devices in connection with roof coverings; Roof drainage > Roof covering aspects of energy collecting devices, e.g. including solar panels

Classification Context

Section:
FIXED CONSTRUCTIONS
Class:
BUILDING
Subclass:
ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS

Additional Content

Solar heat collectors integrated in roof constructions

Top Applicants

Top 10 applicants by patent filingsfor class E04, 2013–2023, worldwide · Source: EPO PATSTAT

  1. CHINA CONSTRUCTION EIGHTH ENGINEERING DIVISION 6,575
  2. ZHEJIANG YASHA DECORATION COMPANY 4,488
  3. SGCC(STATE GRID CORPORATION OF CHINA) 4,427
  4. CHINA CONSTRUCTION SECOND ENGINEERING BUREAU 4,352
  5. CHINA MCC17 GROUP COMPANY 3,122
  6. GOLD MANTIS FINE DECORATION TECHNOLOGY (SUZHOU) COMPANY 2,605
  7. SHENYANG JIANZHU UNIVERSITY 2,420
  8. CHINA CONSTRUCTION SEVENTH ENGINEERING DIVISION COMPANY 2,284
  9. CHINA CONSTRUCTION FIFTH ENGINEERING DIVISION CORPORATION 2,008
  10. CHINA CONSTRUCTION FIRST BUILDING (GROUP) CORPORATION 1,967