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CPC Subgroup Additional Only
B65H 2553/41

Photoelectric detectors

Full Title

Sensing or detecting means > using optical, e.g. photographic, elements > Photoelectric detectors

Filing statistics

CPC B65H 2553/41 belongs to the parent subclass B65H, which recorded 133,109 patent applications worldwide between 2013 and 2023. Annual filings grew from 7,651 in 2013 to 12,565 in 2023 (+64%), peaking at 16,310 applications in 2020. The most active applicants in class B65 are P&G (PROCTER & GAMBLE COMPANY) (3,369 applications), KRONES (3,304 applications) and TETRA LAVAL HOLDINGS & FINANCE (2,227 applications).

Source: EPO PATSTAT, worldwide filings

3 direct subcodes

Child Classifications

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  • B65H 2553/412 in barrier arrangements, i.e. emitter facing a receptor element
  • B65H 2553/414 involving receptor receiving light reflected by a reflecting surface and emitted by a separate emitter
  • B65H 2553/416 Array arrangement, i.e. row of emitters or detectors

Top Applicants

Top 10 applicants by patent filingsfor class B65, 2013–2023, worldwide · Source: EPO PATSTAT

  1. P&G (PROCTER & GAMBLE COMPANY) US 3,369
  2. KRONES DE 3,304
  3. TETRA LAVAL HOLDINGS & FINANCE CH 2,227
  4. CANON JP 2,051
  5. AUTOSTORE TECHNOLOGY NO 1,731
  6. GPI (GRAPHIC PACKAGING INTERNATIONAL) US 1,707
  7. CANON 1,693
  8. G.D IT 1,678
  9. MURATA MACHINERY JP 1,664
  10. DAIFUKU COMPANY JP 1,654