Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
IPC Subgroup
E04D 3/06

of glass or other translucent material; Fixing means therefor

Introduced: September 1968

Last revised: January 2006

Full Title

Roof covering by making use of flat or curved slabs or stiff sheets > of plane slabs, slates, or sheets, or in which the cross-section is unimportant > of glass or other translucent material; Fixing means therefor

Classification Context

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

Related Keywords

GLAZING as roof coveringsglazing of GREENHOUSES

2 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

  • E04D 3/08 with metal glazing bars
  • E04D 3/14 with glazing bars of other material, e.g. of glass

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