Assignee

ERVIN JAMES DOUGLAS

US3 patents

Top patents by PatentIndex Score

US8833058B2Sep 16, 2014

Variable valvetrain turbocharged engine

ERVIN JAMES DOUGLAS31 citations91

US8840365B2Sep 23, 2014

Adjustable core turbocharger

ERVIN JAMES DOUGLAS5 citations81

US8567359B2Oct 29, 2013

Feed forward control for electric variable valve operation

ERVIN JAMES DOUGLAS4 citations61