Inventor · Vicksburg, MI, US

Mark A. Hirsch

10Patents
7h-index
22Co-inventors
66Inventor score

Filing activity: Jan 23, 1992 → Sep 25, 2011

Most-cited inventions

PatentTitleAreaCited byStatus
US5497867A Synchronizer with cone cup locater pins Mechanical Engineering; Lighting; Heating 160 Expired
US5193410A Range section protection valve assembly Emerging Cross-Sectional Technologies 37 Expired
US7509885B2 Transmission auxiliary unit timed shift inhibitor Emerging Cross-Sectional Technologies 36 Active
US5216931A Interlock mechanism for range section slave valve Emerging Cross-Sectional Technologies 20 Expired
US5172604A Range section preexhaust Emerging Cross-Sectional Technologies 10 Expired
US8726749B2 Transmission overdrive yoke position sensor for range trigger Emerging Cross-Sectional Technologies 8 Active
US8635925B2 Transmission auxiliary unit shift inhibitor Emerging Cross-Sectional Technologies 7 Active
US7861612B2 Transmission range shift control with neutral position lock Emerging Cross-Sectional Technologies 5 Active
US6035738A Bias mechanism for single shift shaft mechanical transmissions Emerging Cross-Sectional Technologies 4 Expired
US5941126A Shift fork assembly Emerging Cross-Sectional Technologies 4 Expired

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