Patent assignee · US · COMPANY

Gene-Trak Systems

8Patents
0Active
8Granted
28Portfolio score

Filing activity: Jun 18, 1987 → Oct 26, 1990

Most-cited patents

PatentTitleAreaCited byStatus
US4988618A Magnetic separation device and methods for use in heterogeneous assays Emerging Cross-Sectional Technologies 131 Expired
US5089386A Test for listeria Emerging Cross-Sectional Technologies 68 Expired
US5112734A Target-dependent synthesis of an artificial gene for the synthesis of a replicatable RNA Emerging Cross-Sectional Technologies 59 Expired
US4983523A Methods for preparing sample nucleic acids for hybridization Emerging Cross-Sectional Technologies 53 Expired
US4847193A Signal amplification in an assay employing a piezoelectric oscillator Emerging Cross-Sectional Technologies 46 Expired
US5084565A Probes for the specific detection of Escherichia coli and Shigella Emerging Cross-Sectional Technologies 25 Expired
US5195825A Device for mixing at least one aqueous fluid substance Performing Operations; Transporting 21 Expired
US5141857A Purification of Q Beta replicase Chemistry; Metallurgy 4 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.