Inventor · Redmond, WA, US

C. Frederick Battrell

44Patents
21h-index
39Co-inventors
85Inventor score

Filing activity: May 23, 2001 → Jul 20, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US6674525B2 Split focusing cytometer Emerging Cross-Sectional Technologies 138 Expired
US8216832B2 Sanitary swab collection system, microfluidic assay device, and methods for diagnostic assays Physics 128 Active
US7763453B2 Microfluidic mixing and analytic apparatus Physics 113 Active
US8222023B2 Integrated nucleic acid assays Performing Operations; Transporting 82 Active
US8329453B2 Portable high gain fluorescence detection system Physics 70 Active
US6557427B2 Capillaries for fluid movement within microfluidic channels Physics 63 Expired
US7416892B2 Method and system for microfluidic manipulation, amplification and analysis of fluids, for example, bacteria assays and antiglobulin testing Emerging Cross-Sectional Technologies 61 Expired
US8318109B2 Microfluidic devices for fluid manipulation and analysis Performing Operations; Transporting 57 Active
US8772017B2 Integrated nucleic acid assays Performing Operations; Transporting 57 Active
US7419638B2 Microfluidic devices for fluid manipulation and analysis Performing Operations; Transporting 48 Active
US8318439B2 Microfluidic apparatus and methods for performing blood typing and crossmatching Performing Operations; Transporting 45 Active
US8431389B2 Portable high gain fluorescence detection system Physics 36 Active
US9765220B2 Water soluble fluorescent or colored dyes and methods for their use Physics 35 Active
US7955836B2 Microfluidic mixing and analytical apparatus Physics 33 Active
US10435563B2 Water soluble fluorescent or colored dyes and methods for their use Physics 33 Active
US10954391B2 Water soluble fluorescent or colored dyes and methods for their use Physics 29 Active
US11084932B2 Phenylethynylnaphthalene dyes and methods for their use Physics 27 Active
US8697009B2 Microfluidic devices for fluid manipulation and analysis Performing Operations; Transporting 26 Active
US8747779B2 Microfluidic clinical analyzer Emerging Cross-Sectional Technologies 26 Active
US9056291B2 Microfluidic reactor system Performing Operations; Transporting 24 Active
US8716007B2 Portable high gain fluorescence detection system Physics 21 Active
US11312736B1 Programmable polymeric drugs Chemistry; Metallurgy 21 Active
US9132423B2 Sample-to-answer microfluidic cartridge Emerging Cross-Sectional Technologies 21 Active
US8557198B2 Microfluidic devices for fluid manipulation and analysis Performing Operations; Transporting 20 Active
US11434374B2 Water soluble fluorescent or colored dyes and methods for their use Physics 19 Active

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