Inventor · Hampton, VA, US

William J. Fredericks

9Patents
5h-index
13Co-inventors
52Inventor score

Filing activity: Aug 13, 2014 → Feb 14, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US9475579B2 Vertical take-off and landing vehicle with increased cruise efficiency Emerging Cross-Sectional Technologies 48 Active
US10071801B2 Tri-rotor aircraft capable of vertical takeoff and landing and transitioning to forward flight Emerging Cross-Sectional Technologies 20 Active
US10189565B2 Modular unmanned aerial system with multi-mode propulsion Performing Operations; Transporting 18 Active
US9896200B2 Vertical takeoff and landing vehicle with increased cruise efficiency Emerging Cross-Sectional Technologies 12 Active
US10370100B2 Aerodynamically actuated thrust vectoring devices Emerging Cross-Sectional Technologies 8 Active
US10538321B2 Tri-rotor aircraft capable of vertical takeoff and landing and transitioning to forward flight Emerging Cross-Sectional Technologies 3 Active
US11117660B2 Unmanned aerial vehicle including transversely extending support booms Mechanical Engineering; Lighting; Heating 0 Active
US11603202B2 Unmanned aerial vehicle including transversely extending support booms Mechanical Engineering; Lighting; Heating 0 Active
US12017769B2 Unmanned aerial vehicle including transversely extending support booms Mechanical Engineering; Lighting; Heating 0 Active

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