Inventor · Grafton, WI, US

James A. Rodrian

20Patents
14h-index
12Co-inventors
78Inventor score

Filing activity: Jul 15, 1977 → Nov 29, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US7296765B2 Automatic dispensers Human Necessities 153 Expired
US7040566B1 Dispenser with material-recognition apparatus and material-recognition method Human Necessities 101 Expired
US4129855A Animal identification system Physics 98 Expired
US5446682A System for calibrating a line isolation monitor Physics 61 Expired
US4247758A Animal identification and estrus detection system Human Necessities 58 Expired
US4215410A Solar tracker Emerging Cross-Sectional Technologies 48 Expired
US7963475B2 Method and apparatus for controlling a dispenser and detecting a user Human Necessities 42 Active
US5152252A Water treatment control system for a boiler Emerging Cross-Sectional Technologies 39 Expired
US7594622B2 Method and apparatus for controlling a dispenser to conserve towel dispensed therefrom Human Necessities 38 Active
US8807475B2 Dispenser with low-material sensing system Human Necessities 37 Active
US5294916A Water treatment controller for an evaporative condenser Emerging Cross-Sectional Technologies 36 Expired
US5450328A System for measuring line to ground impedance Physics 27 Expired
US7084592B2 Method and apparatus for controlling a DC motor by counting current pulses Human Necessities 26 Expired
US4455610A Self-contained estrous detection tag Human Necessities 16 Expired
US6546344B1 Magnetic anomaly sensor system Physics 10 Expired
US9913547B2 Airbed pump calibration and pressure measurement Human Necessities 10 Active
US5448491A Monitor for an ungrounded system Physics 10 Expired
US8408487B2 Rolled material dispenser with energy harvesting Human Necessities 8 Active
US10849436B2 Airbed pump calibration and pressure measurement Human Necessities 0 Active
US12161228B2 Methods for airbed pump calibrations and pressure measurements Human Necessities 0 Active

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