Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Fire detection system employing at least one optical waveguide

Fire detection system employing at least one optical waveguide

US Patent 4855718 · Granted Aug 8, 1989

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Fluid flow detector2001
Electro-optical valve-status supervision switch circuit for fire protection1996
Condition responsive detection system and method1987
Condition responsive detection system and method1987
Optical fire or explosion detection system and method1985
Optical fire or explosion detection system and method1985
Self compensating fire detection device1985
Test device for an optical infra red detector1984
Test device for an optical infra red detector1984
Ultraviolet fire detector1980
Series supervision/parallel actuation device1980
Capacitive shift fire detection device1980