Inventor · Gilbert, AZ, US

Eric Hardt

19Patents
9h-index
10Co-inventors
65Inventor score

Filing activity: Apr 21, 2000 → Apr 24, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US6611117B1 Drive circuit for a brushless DC motor Emerging Cross-Sectional Technologies 59 Expired
US6801004B2 System and method of controlling cooling fan speeds Physics 40 Expired
US6725132B2 Intelligent cooling fan Physics 40 Expired
US6954684B2 Intelligent cooling fan Physics 30 Expired
US6931306B2 System and method of designing cooling fans Emerging Cross-Sectional Technologies 24 Expired
US7305316B2 Microcontroller methods of improving reliability in DC brushless motors and cooling fans Electricity 18 Expired
US7714524B2 System and method for controlling multiple DC fans Electricity 12 Active
US7117054B2 System and method of designing cooling fans Emerging Cross-Sectional Technologies 12 Expired
US6995532B2 System and method of controlling cooling fan speeds Physics 9 Expired
US7202624B2 Self calibrating fan Emerging Cross-Sectional Technologies 8 Expired
US7676302B2 System and method of operating a cooling fan Emerging Cross-Sectional Technologies 8 Active
US7605556B2 Microcontroller methods of improving reliability in DC brushless motors and cooling fans Electricity 7 Active
US7711439B2 Microcontroller methods of improving reliability in DC brushless motors and cooling fans Electricity 5 Active
US7889977B2 Single output H-bridge drive Electricity 5 Active
US8374716B1 System and method for reconfigurable fans Electricity 5 Active
US7521883B1 Motor current shaping Electricity 1 Expired
US7573220B2 Self calibrating fan Emerging Cross-Sectional Technologies 1 Active
US10153716B2 Compensation for asymmetries in electrodynamics of BLDC type machines using hall sensors Electricity 1 Active
US7902777B2 Method and system for motor oscillatory state detection Electricity 0 Active

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