Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method and apparatus for reporting dangerous conditions

Method and apparatus for reporting dangerous conditions

US Patent 4551710 · Granted Nov 5, 1985

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Auto-drain unit2003
Vacuum pumps with claw-type rotor and roots-type rotor near the outlet1998
Fire detecting system1990
Passive infrared intrusion detector employing correlation analysis1988
Photoelectric smoke detector and its application1987
Scattered radiation smoke detector1987
Scattered radiation smoke detector1987
Gas or vapor alarm system including scanning gas sensors1986
Gas or vapor alarm system including scanning gas sensors1986
Device for the detection of foreign components in a gas and an application of th1985
Device for the detection of foreign components in a gas and an application of th1985
Device for the detection of foreign components in a gas and an application of th1985