Inventor · Ames, IA, US

Marc D. Porter

20Patents
8h-index
31Co-inventors
75Inventor score

Filing activity: Aug 21, 1989 → May 25, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US6736978B1 Method and apparatus for magnetoresistive monitoring of analytes in flow streams Emerging Cross-Sectional Technologies 81 Expired
US5472577A Fluid pumping system based on electrochemically-induced surface tension changes Emerging Cross-Sectional Technologies 45 Expired
US5763768A Analytical method using modified scanning probes Emerging Cross-Sectional Technologies 40 Expired
US5307146A Dual-wavelength photometer and fiber optic sensor probe Physics 37 Expired
US7179383B1 Method and apparatus for magnetoresistive monitoring of analytes in flow streams Emerging Cross-Sectional Technologies 27 Expired
US6237397A Chemical sensor and coating for same Physics 25 Expired
US6432362B1 Chemical sensor and coating for same Physics 19 Expired
US6146899A Height referencing biochemical cassette Emerging Cross-Sectional Technologies 8 Expired
US5827417A Electrochemical method of controlling thiolate coverage on a conductive substrate such as gold Physics 7 Expired
US7824926B1 Raman-active reagents and the use thereof Emerging Cross-Sectional Technologies 6 Expired
US5635047A Electrochemical method of controlling thiolate coverage on a conductive substrate such as gold Physics 4 Expired
US7309723B2 Redox polymer nanoparticles Emerging Cross-Sectional Technologies 4 Expired
US7473529B1 System and method for detecting cells or components thereof Chemistry; Metallurgy 4 Expired
US10427183B2 Discrete magnetic nanoparticles Chemistry; Metallurgy 3 Active
US7829348B2 Raman-active reagents and the use thereof Physics 2 Expired
US7893177B1 Redox polymer nanoparticles Emerging Cross-Sectional Technologies 2 Active
US4992382A Porous polymer film calcium ion chemical sensor and method of using the same Physics 2 Expired
US7604953B2 Bioamplification for microbial sensor signal transduction Physics 1 Active
US12208400B2 Systems and methods for non-destructive isolation, concentration, and detection for unbiased characterization of nano- and bioparticles Performing Operations; Transporting 0 Active
US12023603B2 Two-electrode configuration for separations based on electrosorption in electrochemically modulated liquid chromatography (EMLC) Physics 0 Active

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