Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Air-fuel ratio control device for an engine

Air-fuel ratio control device for an engine

US Patent 5172549 · Granted Dec 22, 1992

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Hydraulic apparatus for adjusting the timing of opening and closing of an engine2000
Valve timing controlling device of internal combustion engine1999
Valve timing control system for internal combustion engine1999
Cylinder identifying apparatus for a multi-cylinder internal combustion engine w1996
Engine-controlling atmospheric pressure detection system1996
Flow quantity valve controller and manufacturing method for flow quantity valve1996
Ignition timing controlling device for an engine1995
Apparatus for detecting fault in exhaust gas recirculation control system of int1994
Electronic control apparatus for an internal combustion engine1994
Internal combustion engine speed controller for controlling a throttle valve byp1992
Ignition timing control apparatus for an engine1992
Ignition timing control apparatus for an engine1991