Inventor · Tucson, AZ, US

Steven Mark Groff

12Patents
4h-index
16Co-inventors
49Inventor score

Filing activity: Oct 14, 2007 → Apr 11, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US7868484B2 Worldwide adaptive multi-coil automatic transfer switch Emerging Cross-Sectional Technologies 14 Active
US9081004B2 Circuit for detecting analytes via nanoparticle-labeled substances with electromagnetic read-write heads Physics 7 Active
US8138625B2 Dual line active automatic transfer switch Electricity 7 Active
US7763993B2 DC UPS with auto-ranging backup voltage capability Electricity 6 Active
US9608430B2 Battery circuit fault protection in uninterruptable power sources Electricity 3 Active
US8097978B2 Extending backup times of uninterruptible power supplies Electricity 3 Active
US8022579B2 Brownout solution for electromechanical automatic transfer switch Electricity 3 Active
US7847435B2 Intrinsically balanced direct current uninterruptible power supply Electricity 2 Active
US7962776B2 Method and apparatus for detecting component removal while operating in a battery backup mode Physics 2 Active
US8338982B2 Apparatus to maintain redundancy in four line system Electricity 1 Active
US7898106B2 DC UPS configured as intrinsic power transfer switch Emerging Cross-Sectional Technologies 1 Active
US8039990B2 DC UPS configured as intrinsic power transfer switch Emerging Cross-Sectional Technologies 0 Active

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