Inventor · Marshalltown, IA, US

John Patrick Dilger

16Patents
8h-index
8Co-inventors
57Inventor score

Filing activity: Nov 14, 1995 → Jan 9, 2002

Most-cited inventions

PatentTitleAreaCited byStatus
US5670876A Magnetic displacement sensor including first and second flux paths wherein the first path has a fixed reluctance and a sensor disposed therein Physics 48 Expired
US6191574A Bow-mounted apparatus for detection and quantification of deviations in dynamic arrow position Physics 34 Expired
US6536469B2 Self-centering magnet assembly for use in a linear travel measurement device Emerging Cross-Sectional Technologies 27 Expired
US6029120A Bow-mounted chronograph Physics 25 Expired
US6161420A High frequency measuring circuit Physics 22 Expired
US6345234B1 Fugitive emission sensing system Physics 18 Expired
US6060881A Flux shaping pole pieces for a magnetic displacement sensor Physics 14 Expired
US6879936B2 Diagnostic apparatus and methods for a chemical detection system Physics 11 Expired
US6029506A Sample retrieval system Physics 8 Expired
US6515474B1 Linearized magnetic displacement sensor Physics 8 Expired
US6222366A High frequency measuring circuit with inherent noise reduction for resonating chemical sensors Physics 7 Expired
US5970778A Thermally activated calibration system for chemical sensors Physics 6 Expired
US6796324B2 Fugitive emission collection device Emerging Cross-Sectional Technologies 5 Expired
US6654470B1 Frequency warping for improving resonator signal-to-noise ratio Physics 4 Expired
US6044688A Device for ejecting a metered quantity of vaporized fluid Physics 3 Expired
US6408674B1 Pressure activated calibration system for chemical sensors Physics 1 Expired

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