CPC Subgroup Additional Only
B65H 2553/41 Photoelectric detectors
Full Title
Sensing or detecting means > using optical, e.g. photographic, elements > Photoelectric detectors
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
- P&G (PROCTER & GAMBLE COMPANY) US 3,369
- KRONES DE 3,304
- TETRA LAVAL HOLDINGS & FINANCE CH 2,227
- CANON JP 2,051
- AUTOSTORE TECHNOLOGY NO 1,731
- GPI (GRAPHIC PACKAGING INTERNATIONAL) US 1,707
- CANON 1,693
- G.D IT 1,678
- MURATA MACHINERY JP 1,664
- DAIFUKU COMPANY JP 1,654