Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method of controlling an air/fuel ratio or an internal combustion engine

Method of controlling an air/fuel ratio or an internal combustion engine

US Patent 4926823 · Granted May 22, 1990

Estimated economic value: $64,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Vibration device and imaging device2025
Vibration device and vibration control method2025
Electrode provided with UBM structure having a barrier layer for reducing solder2019
Radiation detector manufactured by dicing a semiconductor wafer and dicing metho2017
Use of relative permittivity in different materials to enhance capacitive switch2017
Capacitance operation device and method of manufacturing the same2016
Mattress and bed device2015
Temperature estimation apparatus for aeroplane gas turbine engine2014
Temperature estimation apparatus for aeroplane gas turbine engine2013
Exhaust gas purifying system for internal combustion engine2000
Exhaust gas purifying system for internal combustion engine2000
Vehicular use cooling apparatus1994