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PCE
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DIFF Main Group
G12B 17/00

Screening (insulation or other protection of buildings E04B; emergency protection of apparatus in general F16P7/00; in connection with acoustic waves G10K11/00; in connection with nuclear radiation G21F)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Screening

CPC: Screening (insulation or other protection of buildings E04B; emergency protection of apparatus in general F16P7/00; in connection with acoustic waves G10K11/00; in connection with nuclear radiation G21F)

Full Title

Full titles differ between systems:

IPC:

Screening

CPC:

Screening (insulation or other protection of buildings E04B; emergency protection of apparatus in general F16P7/00; in connection with acoustic waves G10K11/00; in connection with nuclear radiation G21F)

IPC and CPC are identically structured here. All 4 subcodes exist in both systems.

3 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • G12B 17/02 from electric or magnetic fields, e.g. radio waves IPC+CPC Available in IPC and CPC
  • G12B 17/04 from visible, ultraviolet, or infrared light (screening of lighting devices F21V; optical filters G02B5/20) IPC+CPC Available in IPC and CPC
  • G12B 17/06 from heat (G12B17/04 takes precedence; cooling G12B15/00) IPC+CPC Available in IPC and CPC
  • G12B 17/08 from influences producing mechanical damage, e.g. caused by blast, by external objects, by person (G12B17/02 - G12B17/06 take precedence) IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class G12,2013–2023, worldwide · Source: EPO PATSTAT

  1. HEWLETT-PACKARD DEVELOPMENT COMPANY US 90
  2. ROBERT BOSCH DE 46
  3. SICK DE 26
  4. TIANJIN UNIVERSITY 24
  5. CHINESE ACADEMY OF SCIENCES 23
  6. NSK 22
  7. CARL ZEISS SMT DE 22
  8. ENDRESS + HAUSER & COMPANY DE 21
  9. SUZHOU MICRO AUTOMATION TECHNOLOGY COMPANY 20
  10. AUDI DE 20

Top Applicants (CPC)

Class G12,2013–2023, worldwide · Source: EPO PATSTAT

  1. BECTON, DICKINSON & COMPANY US 20
  2. LANDIS & GYR CH 17
  3. TIANJIN UNIVERSITY 16
  4. AUDI DE 14
  5. SAMSUNG ELECTRONICS COMPANY KR 13
  6. ARCHI ENTERPRISES CA 12
  7. RITTAL & COMPANY DE 11
  8. SIEMENS DE 11
  9. HEWLETT-PACKARD DEVELOPMENT COMPANY US 10
  10. ROBERT BOSCH DE 10