Inventor · Fontana, CA, US

Frederic D. Hook

8Patents
3h-index
17Co-inventors
54Inventor score

Filing activity: Oct 16, 1995 → Dec 9, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US5708363A Liquid conductivity measurement system using a variable-frequency AC voltage Physics 22 Expired
US9442488B2 Proximity sensing on mobile robots Physics 7 Active
US10379172B2 Magnetic field localization and navigation Emerging Cross-Sectional Technologies 5 Active
US10429851B2 Proximity sensing on mobile robots Physics 2 Active
US11110595B2 Mast systems for autonomous mobile robots Performing Operations; Transporting 1 Active
US11320835B2 Magnetic navigation systems for autonomous mobile robots Physics 0 Active
US11362409B2 Antenna assembly with universal whip mount and method of tuning the same Electricity 0 Active
US11635476B2 Magnetic field localization and navigation Emerging Cross-Sectional Technologies 0 Active

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