Inventor · Guilford, CT, US

Robert A. Levine

101Patents
45h-index
40Co-inventors
90Inventor score

Filing activity: Apr 2, 1976 → Mar 23, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US6350613B1 Determination of white blood cell differential and reticulocyte counts Emerging Cross-Sectional Technologies 162 Expired
US5393674A Constitutent layer harvesting from a centrifuged sample in a tube Emerging Cross-Sectional Technologies 138 Expired
US4077396A Material layer volume determination Physics 129 Expired
US5834217A Assay of blood or other biologic samples for target analytes Emerging Cross-Sectional Technologies 127 Expired
US7929121B2 Method and apparatus for detecting and counting platelets individually and in aggregate clumps Physics 114 Active
US7903241B2 Method and apparatus for determining red blood cell indices of a blood sample utilizing the intrinsic pigmentation of hemoglobin contained within the red blood cells Physics 111 Active
US4159896A Enhancement of separation of cell layers in centrifuged blood sample Emerging Cross-Sectional Technologies 110 Expired
US8081303B2 Method and apparatus for analyzing individual cells or particulates using fluorescent quenching and/or bleaching Physics 106 Active
US6197523A Method for the detection, identification, enumeration and confirmation of circulating cancer and/or hematologic progenitor cells in whole blood Emerging Cross-Sectional Technologies 106 Expired
US5086784A Centrifuged material layer measurements taken in an evacuated tube Human Necessities 102 Expired
US7951599B2 Method and apparatus for determining the hematocrit of a blood sample utilizing the intrinsic pigmentation of hemoglobin contained within the red blood cells Physics 99 Active
US7929122B2 Method and apparatus for determining red blood cell indices of a blood sample utilizing the intrinsic pigmentation of hemoglobin contained within the red blood cells Physics 97 Active
US8472693B2 Method for determining at least one hemoglobin related parameter of a whole blood sample Physics 95 Active
US4170995A Catheter clamp Emerging Cross-Sectional Technologies 91 Expired
US4774965A Material layer volume determination with correction band Physics 90 Expired
US8077296B2 Method and apparatus for detecting and counting platelets individually and in aggregate clumps Physics 88 Active
US5635362A Assay of blood or other biologic samples for target analytes Emerging Cross-Sectional Technologies 88 Expired
US5776710A Assay of blood or other biologic samples for target analytes Emerging Cross-Sectional Technologies 86 Expired
US8638427B2 Method and apparatus for detecting and counting platelets individually and in aggregate clumps Physics 85 Active
US8310659B2 Method and apparatus for detecting and counting platelets individually and in aggregate clumps Physics 85 Active
US8885154B2 Method and apparatus for identifying reticulocytes within a blood sample Physics 83 Active
US5342790A Apparatus for indirect fluorescent assay of blood samples Emerging Cross-Sectional Technologies 82 Expired
US4027660A Material layer volume determination Physics 81 Expired
US6748337B2 Method and apparatus for providing quality control in an instrument for medical analysis Physics 79 Expired
US8310658B2 Method and apparatus for identifying reticulocytes within a blood sample Physics 76 Active

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