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IPC Subgroup
F21V 19/06

Fastening incandescent mantles or other incandescent bodies to lamp parts; Suspension devices for incandescent mantles or other incandescent bodies

Introduced: September 1968

Last revised: January 2006

Full Title

Fastening of light sources or lamp holders > Fastening incandescent mantles or other incandescent bodies to lamp parts; Suspension devices for incandescent mantles or other incandescent bodies

Classification Context

Section:
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
Class:
LIGHTING
Subclass:
FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR

Related Keywords

fastening incandescent gas MANTLES or supports therefor

Top Applicants

Top 10 applicants by patent filingsfor 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