Inventor · Clawson, MI, US

Craig D. Marriott

35Patents
7h-index
39Co-inventors
65Inventor score

Filing activity: Sep 13, 1999 → Apr 18, 2015

Most-cited inventions

PatentTitleAreaCited byStatus
US6935295B2 Combustion-assisted engine start/stop operation with cylinder/valve deactivation Mechanical Engineering; Lighting; Heating 32 Expired
US7685976B2 Induction tuning using multiple intake valve lift events Emerging Cross-Sectional Technologies 26 Active
US6155220A Piezoelectric differential cam phaser Emerging Cross-Sectional Technologies 26 Expired
US8061318B2 Method and apparatus for continuously variable differential phasing of engine valve operation Emerging Cross-Sectional Technologies 21 Active
US8631688B1 System and method for detecting a fault in a pressure sensor that measures pressure in a hydraulic valve actuation system Mechanical Engineering; Lighting; Heating 18 Active
US6668789B1 Internal combustion engine using premixed combustion of stratified charges Mechanical Engineering; Lighting; Heating 17 Expired
US7931008B2 Systems and methods for detecting failed injection events Mechanical Engineering; Lighting; Heating 13 Active
US7373908B2 Reduced noise engine start-stop system using traditional crank device Emerging Cross-Sectional Technologies 7 Active
US7644688B2 Valve actuator assembly having a center biased spool valve with detent feature Emerging Cross-Sectional Technologies 6 Active
US7523723B2 System and method for determining ethanol content in fuel Emerging Cross-Sectional Technologies 6 Active
US7832374B2 Fuel pressure amplifier Mechanical Engineering; Lighting; Heating 5 Active
US8047065B2 Diagnostic system for valve actuation camshaft driven component compensation Emerging Cross-Sectional Technologies 4 Active
US7032549B1 Valve lift sensor Mechanical Engineering; Lighting; Heating 4 Expired
US7513226B2 Hydraulic control system for a switching valve train Mechanical Engineering; Lighting; Heating 4 Active
US8775054B2 Cold start engine control systems and methods Emerging Cross-Sectional Technologies 3 Active
US9909513B2 Fuel system protection in a multi-fuel system internal combustion engine Emerging Cross-Sectional Technologies 3 Active
US8096275B2 Camshaft having a tuned mass damper Emerging Cross-Sectional Technologies 3 Active
US7464677B2 Compact lash adjuster feed channel apparatus Mechanical Engineering; Lighting; Heating 3 Active
US9303605B2 System and method for circulating fuel through a direct injection pump of a bi-fuel engine Emerging Cross-Sectional Technologies 3 Active
US9284894B2 Reduced torque variation for engines with active fuel management Mechanical Engineering; Lighting; Heating 2 Active
US6755162B1 Distributed accumulator for hydraulic camless valve actuation system Mechanical Engineering; Lighting; Heating 2 Expired
US7677155B2 Statically sealed high pressure fuel pump and method Mechanical Engineering; Lighting; Heating 2 Active
US9097224B2 Multi-fuel vehicle fuel control systems and methods Emerging Cross-Sectional Technologies 2 Active
US7849839B2 Pre-heating fuel for cold start Emerging Cross-Sectional Technologies 2 Active
US7891329B2 Compact lash adjuster feed channel apparatus Mechanical Engineering; Lighting; Heating 1 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.