Inventor · Arden, NC, US

Stan Rex Simms

15Patents
2h-index
10Co-inventors
47Inventor score

Filing activity: May 16, 2006 → Sep 5, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US7405498B2 Multi-level active filter Emerging Cross-Sectional Technologies 3 Active
US9385638B2 Regenerative rectifier for a motor control drive Emerging Cross-Sectional Technologies 3 Active
US11128240B1 Reduced voltage soft starter apparatus and methods using current-controlled transitions Electricity 2 Active
US11300632B2 Adjustable frequency drive systems and methods of employing power compensation Emerging Cross-Sectional Technologies 1 Active
US10958188B1 Bus voltage limiter for converter apparatus with multiple DC buses Electricity 1 Active
US9680388B2 System and method for starting a variable frequency drive with reduced arc flash risk Electricity 1 Active
US12334850B2 Control systems and methods for mitigating motor start-up instabilities in lightly loaded conditions near synchronous speed Electricity 0 Active
US11811345B1 Methods of protecting motors driven by variable frequency drives and variable frequency drive systems employing the same Electricity 0 Active
US12034395B2 Apparatus and methods for reduced voltage starting of motors with bumpless force transition Electricity 0 Active
US11967917B2 Methods of braking motors and motor starters employing the same Electricity 0 Active
US11863091B2 Motor voltage synthesis in reduced voltage soft starters and motor starters employing the same Electricity 0 Active
US12113464B2 Adjustable frequency drives using normalized modulation control signals to compensate for phase imbalance and methods of operating the same Electricity 0 Active
US11677230B2 Motor protection relay interface using magnetometer-based sensors Electricity 0 Active
US10873270B2 Converter apparatus using source-activated discharge circuits Electricity 0 Active
US12360174B2 Inverter diagnostic testing methods and apparatus Electricity 0 Active

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