Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Photoelectric smoke detector and process for testing the photoelectric smoke detector

Photoelectric smoke detector and process for testing the photoelectric smoke detector

US Patent 9117359 · Granted Aug 25, 2015

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Optical fire sensor device and corresponding fire detection method2021
Fire monitoring system2018
Detection device and method for detecting fires and/or signs of fire2014
Hearing aid with cerumen protection2009
Circuit and method for adaptation of hearing device microphones2007
Hearing aid and operating method for automatically switching to a telephone mode2006