Inventor · Medford, MA, US

Karl E. Sprentall

35Patents
7h-index
35Co-inventors
65Inventor score

Filing activity: Jun 10, 2011 → Sep 13, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US10587039B2 Broadband multiple layer dielectric resonator antenna and method of making the same Electricity 16 Active
US9596755B2 Magneto-dielectric substrate, circuit material, and assembly having the same Electricity 16 Active
US10522917B2 Broadband multiple layer dielectric resonator antenna and method of making the same Electricity 15 Active
US10355361B2 Dielectric resonator antenna and method of making the same Electricity 14 Active
US10601137B2 Broadband multiple layer dielectric resonator antenna and method of making the same Electricity 13 Active
US10476164B2 Broadband multiple layer dielectric resonator antenna and method of making the same Electricity 13 Active
US11108159B2 Dielectric resonator antenna system Electricity 7 Active
US10374315B2 Broadband multiple layer dielectric resonator antenna and method of making the same Electricity 3 Active
US10378983B2 Foam pressure sensor Physics 3 Active
US10665947B2 Array apparatus comprising a dielectric resonator array disposed on a ground layer and individually fed by corresponding signal feeds, thereby providing a corresponding magnetic dipole vector Electricity 2 Active
US9985354B2 Array apparatus comprising a dielectric resonator array disposed on a ground layer and individually fed by corresponding signal lines, thereby providing a corresponding magnetic dipole vector Electricity 2 Active
US8536906B2 Direct drive waveform generator Electricity 2 Active
US10804611B2 Dielectric resonator antenna and method of making the same Electricity 2 Active
US11004583B2 Magneto-dielectric material comprising hexaferrite fibers, methods of making, and uses thereof Chemistry; Metallurgy 2 Active
US10700435B2 Broadband multiple layer dielectric resonator antenna and array thereof Electricity 1 Active
US11016574B2 Millimeter-wave-radar-based electromagnetic apparatus Electricity 1 Active
US10700434B2 Broadband multiple layer dielectric resonator antenna and method of making the same Electricity 1 Active
US11239563B2 Electromagnetic dielectric structure adhered to a substrate and methods of making the same Electricity 1 Active
US12206174B2 Connected dielectric resonator antenna array and method of making the same Electricity 1 Active
US11283189B2 Connected dielectric resonator antenna array and method of making the same Electricity 1 Active
US10892556B2 Broadband multiple layer dielectric resonator antenna Electricity 0 Active
US8754676B2 Direct drive waveform amplifier Electricity 0 Active
US12166295B2 Electromagnetic waveguide Electricity 0 Active
US11876295B2 Electromagnetic reflector for use in a dielectric resonator antenna system Electricity 0 Active
US11637377B2 Dielectric electromagnetic structure and method of making the same Electricity 0 Active

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