Inventor · Lakewood, CA, US

Darrell B. Freeman

4Patents
4h-index
9Co-inventors
39Inventor score

Filing activity: Mar 4, 2014 → Mar 15, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US9389109B2 Inline ultrasonic transducer assembly device and methods Physics 26 Active
US9996089B2 Flow sensor devices and systems Physics 26 Active
US10948320B2 Flow sensor devices and systems Physics 24 Active
US11402248B2 Flow sensor devices and systems Physics 20 Active

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