Inventor · Brighton, MI, US

Eric J. Defenderfer

6Patents
3h-index
25Co-inventors
53Inventor score

Filing activity: Oct 4, 2005 → Feb 7, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US7225783B2 Engine motion active control Emerging Cross-Sectional Technologies 25 Expired
US10247121B2 Method and apparatus for determining optimum skip fire firing profile Mechanical Engineering; Lighting; Heating 15 Active
US9416815B2 Driveshaft with two-stage stiffness Mechanical Engineering; Lighting; Heating 5 Active
US10054167B2 Driveshaft with two-stage stiffness Mechanical Engineering; Lighting; Heating 3 Active
US10941722B2 Method and apparatus for determining optimum skip fire firing profile Mechanical Engineering; Lighting; Heating 0 Active
US10380988B1 Body mounted vehicle noise cancellation system Physics 0 Active

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