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DIFF Main Group
F21V 19/00

Fastening of light sources or lamp holders (fastening electric light source solely by the coupling device H01R33/00 )

Introduced: September 1968

Title

Titles differ between systems:

IPC: Fastening of light sources or lamp holders

CPC: Fastening of light sources or lamp holders (fastening electric light source solely by the coupling device H01R33/00 )

Full Title

Full titles differ between systems:

IPC:

Fastening of light sources or lamp holders

CPC:

Fastening of light sources or lamp holders (fastening electric light source solely by the coupling device H01R33/00 )

CPC subdivides this area 2x more granularly than IPC with 4 additional codes.

4 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • F21V 19/0005 CPC only CPC only
  • F21V 19/02 with provision for adjustment, e.g. for focusing IPC+CPC Available in IPC and CPC
  • F21V 19/06 Fastening incandescent mantles or other incandescent bodies to lamp parts; Suspension devices for incandescent mantles or other incandescent bodies (arrangements of mantles or other incandescent bodies on burners F21V36/00) IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class F21,2013–2023, worldwide · Source: EPO PATSTAT

  1. PANASONIC INTELLECTUAL PROPERTY 3,883
  2. VALEO VISION FR 2,797
  3. KOITO MANUFACTURING COMPANY 2,531
  4. OPPLE LIGHTING COMPANY 2,343
  5. SIGNIFY HOLDING NL 2,275
  6. TOSHIBA LIGHTING & TECHNOLOGY CORPORATION 1,982
  7. KOITO MANUFACTURING COMPANY JP 1,766
  8. LG INNOTEK COMPANY KR 1,651
  9. SUZHOU OPPLE LIGHTING COMPANY 1,633
  10. MITSUBISHI ELECTRIC CORPORATION 1,591

Top Applicants (CPC)

Class F21,2013–2023, worldwide · Source: EPO PATSTAT

  1. VALEO VISION FR 2,820
  2. SIGNIFY HOLDING NL 2,374
  3. KOITO MANUFACTURING COMPANY JP 1,890
  4. KOITO MANUFACTURING COMPANY 1,722
  5. LG INNOTEK COMPANY KR 1,624
  6. OSRAM DE 1,507
  7. LG ELECTRONICS KR 1,458
  8. PANASONIC INTELLECTUAL PROPERTY JP 1,433
  9. ZUMTOBEL LIGHTING AT 1,349
  10. PANASONIC INTELLECTUAL PROPERTY 1,275