Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Combustion products detector with accelerated test

Combustion products detector with accelerated test

US Patent 4539556 · Granted Sep 3, 1985

Estimated economic value: $844,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Valve flow control optimization via customization of an intelligent actuator2020
Valve flow control optimization via customization of an intelligent actuator2020
Valve flow control optimization via customization of an intelligent actuator2018
Valve with dual rotation valve member2014
Miniature photoelectric sensing chamber2003
Aspirated detector2000
Dual sprinkler system1999
Aspirated detector1999
Under-bed humidifier1991
Outer electrode with improved smoke entry1986
Smoke detector with test apparatus1983