Inventor · Waterloo, IA, US

Jeffrey C. Marks

9Patents
5h-index
13Co-inventors
60Inventor score

Filing activity: Jul 17, 1978 → Sep 12, 2016

Most-cited inventions

PatentTitleAreaCited byStatus
US8282452B2 Roof assembly for an air handler Mechanical Engineering; Lighting; Heating 98 Active
US6672375B1 Fin tube heat exchanger with divergent tube rows Emerging Cross-Sectional Technologies 11 Expired
US6959972B2 Tri-action hinge and latching mechanism for a door panel Emerging Cross-Sectional Technologies 8 Expired
US5111921A Park brake sensor and transmission override Mechanical Engineering; Lighting; Heating 8 Expired
US9441855B2 Adaptable HVAC unit base Mechanical Engineering; Lighting; Heating 7 Active
US4225151A Tractor with large caster angle to improve steering clearance Performing Operations; Transporting 5 Expired
US4696205A Three-speed planetary transmission Mechanical Engineering; Lighting; Heating 4 Expired
US10082315B2 Adaptable HVAC unit base Mechanical Engineering; Lighting; Heating 4 Active
US6945041B2 Bent axis hydrostatic module with multiple yokes Mechanical Engineering; Lighting; Heating 3 Expired

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