Inventor
LETCHER JOHN E
US7 patents
Patents
7 patentsUS5255661AOct 26, 1993
Method for determining fuel composition using oxygen sensor feedback control
CHRYSLER CORP63 citations95
US5715799AFeb 10, 1998
Method of leak detection during low engine vacuum for an evaporative emission control system
CHRYSLER CORP31 citations92
US5651350AJul 29, 1997
Method of leak detection for an evaporative emission control system
CHRYSLER CORP38 citations92
US5606121AFeb 25, 1997
Method of testing an evaporative emission control system
CHRYSLER CORP43 citations92
US5415145AMay 16, 1995
Start fuel decay for a flexible fuel compensation system
CHRYSLER CORP20 citations92
US5520162AMay 28, 1996
Boiloff for a flexible fuel compensation system
CHRYSLER CORP24 citations91
US5651349AJul 29, 1997
Purge system flow monitor and method
CHRYSLER CORP20 citations88