E04B 1/62 Insulation or other protection; Elements or use of specified material therefor (chemical compositions C01 - C11; implements for applying insulation or sealings E04F21/00; buildings to withstand, or to provide protection against, external undesired influences E04H9/00; sealing pipes in walls or partitions F16L5/02; shielding against dangerous radiation G21F)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Insulation or other protection; Elements or use of specified material therefor
CPC: Insulation or other protection; Elements or use of specified material therefor (chemical compositions C01 - C11; implements for applying insulation or sealings E04F21/00; buildings to withstand, or to provide protection against, external undesired influences E04H9/00; sealing pipes in walls or partitions F16L5/02; shielding against dangerous radiation G21F)
Full Title
Full titles differ between systems:
Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs > Insulation or other protection; Elements or use of specified material therefor
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) > Insulation or other protection; Elements or use of specified material therefor (chemical compositions C01 - C11; implements for applying insulation or sealings E04F21/00; buildings to withstand, or to provide protection against, external undesired influences E04H9/00; sealing pipes in walls or partitions F16L5/02; shielding against dangerous radiation G21F)
Of 7 combined children, 6 exist in both systems.
1 codes are CPC-only extensions.
6 shared codes have differing titles between IPC and CPC.
Child Classifications
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- E04B 1/64 for making damp-proof; Protection against corrosion (sealings E04B1/66) +2 CPC IPC+CPC Available in IPC and CPC
- E04B 1/66 Sealings ( additions of anti-leak properties to plaster C04B; bituminous sealing masses C08L95/00; sealings for hydraulic engineering work in general E02B3/16; against ground humidity or ground water E02D31/02; coverings against rain or other precipitations of the atmosphere E04D) +1 CPC IPC+CPC Available in IPC and CPC
- E04B 1/70 Drying or keeping dry, e.g. by air vents (; during erection E04G21/28) +6 CPC IPC+CPC Available in IPC and CPC
- E04B 1/72 Pest control (by keeping dry E04B1/70; impregnation of wood or like materials B27K) IPC+CPC Available in IPC and CPC
- E04B 1/74 Heat, sound or noise insulation, absorption, or reflection (forms of, or arrangements in, rooms for influencing or directing sound E04B1/99); Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls (fire protection E04B1/94; elements chiefly adapted for structural purposes E04C1/00 - E04C3/00; chiefly adapted for surface coverings E04F13/00; as underlayers for floor coverings E04F15/18; closures for wall or like openings E06B) +2 CPC IPC+CPC Available in IPC and CPC
- E04B 1/92 Protection against other undesired influences or dangers (buildings providing protection against external dangers E04H9/00; shielding against dangerous radiation G21F) +1 CPC IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
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
Top Applicants (CPC)
Class E04,2013–2023, worldwide · Source: EPO PATSTAT
- CHINA CONSTRUCTION EIGHTH ENGINEERING DIVISION 1,675
- CHINA MCC17 GROUP COMPANY 1,593
- ZHEJIANG YASHA DECORATION COMPANY 1,551
- SGCC(STATE GRID CORPORATION OF CHINA) 1,297
- GOLD MANTIS FINE DECORATION TECHNOLOGY (SUZHOU) COMPANY 1,212
- SHENYANG JIANZHU UNIVERSITY 926
- VAELINGE INNOVATION SE 901
- CHINA MCC5 GROUP CORPORATION 894
- VKR HOLDING DK 854
- SHANGHAI BAOYE GROUP CORPORATION 753