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PCE
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DIFF Subgroup
E04B 1/02

Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements (E04B1/32 - E04B1/36 take precedence)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Structures consisting primarily of load-supporting, block-shaped or slab-shaped elements

CPC: Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements (E04B1/32 - E04B1/36 take precedence)

Full Title

Full titles differ between systems:

IPC:

Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs > Structures consisting primarily of load-supporting, block-shaped or slab-shaped elements

CPC:

Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs (scaffolds, shutterings E04G; structures specially adapted for buildings for special purposes, general layout of buildings, e.g. modular co-ordination, E04H) > Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements (E04B1/32 - E04B1/36 take precedence)

IPC and CPC are identically structured here. All 5 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • E04B 1/08 the elements consisting of metal IPC+CPC Available in IPC and CPC
  • E04B 1/10 the elements consisting of wood IPC+CPC Available in IPC and CPC
  • E04B 1/12 the elements consisting of other material IPC+CPC Available in IPC and CPC
  • E04B 1/14 the elements being composed of two or more materials (of reinforced concrete E04B1/04) IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

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

Top Applicants (CPC)

Class E04,2013–2023, worldwide · Source: EPO PATSTAT

  1. CHINA CONSTRUCTION EIGHTH ENGINEERING DIVISION 1,675
  2. CHINA MCC17 GROUP COMPANY 1,593
  3. ZHEJIANG YASHA DECORATION COMPANY 1,551
  4. SGCC(STATE GRID CORPORATION OF CHINA) 1,297
  5. GOLD MANTIS FINE DECORATION TECHNOLOGY (SUZHOU) COMPANY 1,212
  6. SHENYANG JIANZHU UNIVERSITY 926
  7. VAELINGE INNOVATION SE 901
  8. CHINA MCC5 GROUP CORPORATION 894
  9. VKR HOLDING DK 854
  10. SHANGHAI BAOYE GROUP CORPORATION 753