Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Gas or vapor alarm system including scanning gas sensors

Gas or vapor alarm system including scanning gas sensors

US Patent 4567475 · Granted Jan 28, 1986

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
Passive infrared intrusion detector employing correlation analysis1988
Scattered radiation smoke detector1987
Method and apparatus for reporting dangerous conditions1985
Method and apparatus for reporting dangerous conditions1985
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
Method and apparatus for reducing false alarms in gas warning installations caus1984
Optical arrangement for an infrared intrusion detector1984
Alarm device with a condition sensor element1983