Inventor · Shoreview, MN, US

Frederick R. Quant

12Patents
4h-index
29Co-inventors
60Inventor score

Filing activity: Mar 17, 1998 → Mar 15, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US5999250A System for detecting fluorescing components in aerosols Physics 89 Expired
US6230572A Instrument for measuring and classifying nanometer aerosols Emerging Cross-Sectional Technologies 36 Expired
US7777868B2 System for measuring non-volatile residue in ultra pure water Physics 7 Active
US10520414B2 Condensation particle counter false count performance Physics 4 Active
US9506869B2 Handheld laser induced breakdown spectroscopy device Physics 4 Active
US10914667B2 Condensation particle counter false count performance Physics 3 Active
US9658139B2 System and method for the concentrated collection of airborne particles Physics 1 Active
US10948364B2 Air and gas flow velocity and temperature sensor probe Physics 0 Active
US7852465B1 System for measuring liquid flow rates Physics 0 Active
US11874179B2 Air and gas flow velocity and temperature sensor probe Physics 0 Active
US9925547B2 Electrospray with soft X-ray neutralizer Performing Operations; Transporting 0 Active
US10488314B2 Condensation particle counter false count performance General 0 Revoked

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