Inventor · Bear, DE, US

Stephen Grot

14Patents
10h-index
16Co-inventors
69Inventor score

Filing activity: Aug 26, 1996 → Aug 7, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US5763113A PEM fuel cell monitoring system Emerging Cross-Sectional Technologies 167 Expired
US6376111B1 System and method for controlling the humidity level of a fuel cell Emerging Cross-Sectional Technologies 89 Expired
US6001499A Fuel cell CO sensor Emerging Cross-Sectional Technologies 70 Expired
US5707755A PEM/SPE fuel cell Emerging Cross-Sectional Technologies 56 Expired
US6350539B1 Composite gas distribution structure for fuel cell Emerging Cross-Sectional Technologies 49 Expired
US7491453B2 Bio-electrochemically assisted microbial reactor that generates hydrogen gas and methods of generating hydrogen gas Emerging Cross-Sectional Technologies 31 Active
US6641862B1 Preparation of fuel cell electrode assemblies Emerging Cross-Sectional Technologies 24 Expired
US7709113B2 Bio-electrochemically assisted microbial reactor that generates hydrogen gas and methods of generating hydrogen gas Emerging Cross-Sectional Technologies 23 Active
US6428921B1 Fuel cell stack compression method and apparatus Emerging Cross-Sectional Technologies 20 Expired
US6063516A Method of monitoring CO concentrations in hydrogen feed to a PEM fuel cell Emerging Cross-Sectional Technologies 18 Expired
US6733914B1 Fuel cell membranes Emerging Cross-Sectional Technologies 10 Expired
US7255798B2 Recycling of used perfluorosulfonic acid membranes Emerging Cross-Sectional Technologies 3 Expired
US6740445B1 Coated fuel cell electrodes Emerging Cross-Sectional Technologies 2 Expired
US10826076B1 Patterned electrode catalyst Emerging Cross-Sectional Technologies 1 Active

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