Inventor · Oakland, CA, US

David H. Gelfand

67Patents
35h-index
50Co-inventors
91Inventor score

Filing activity: Feb 17, 1983 → Jul 6, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US4965188A Process for amplifying, detecting, and/or cloning nucleic acid sequences using a thermostable enzyme Chemistry; Metallurgy 2,086 Expired
US5210015A Homogeneous assay system using the nuclease activity of a nucleic acid polymerase Emerging Cross-Sectional Technologies 871 Expired
US4889818A Purified thermostable enzyme Chemistry; Metallurgy 591 Expired
US5487972A Nucleic acid detection by the 5'-3'exonuclease activity of polymerases acting on adjacently hybridized oligonucleotides Emerging Cross-Sectional Technologies 349 Expired
US5322770A Reverse transcription with thermostable DNA polymerases - high temperature reverse transcription Chemistry; Metallurgy 294 Expired
US5418149A Reduction of non-specific amplification glycosylase using DUTP and DNA uracil Chemistry; Metallurgy 280 Expired
US5804375A Reaction mixtures for detection of target nucleic acids Emerging Cross-Sectional Technologies 259 Expired
US5079352A Purified thermostable enzyme Chemistry; Metallurgy 252 Expired
US5310652A Reverse transcription with thermostable DNA polymerase-high temperature reverse transcription Chemistry; Metallurgy 215 Expired
US5618711A Recombinant expression vectors and purification methods for Thermus thermophilus DNA polymerase Chemistry; Metallurgy 188 Expired
US5075216A Methods for DNA sequencing with thermus aquaticus DNA polymerase Emerging Cross-Sectional Technologies 159 Expired
US5374553A DNA encoding a thermostable nucleic acid polymerase enzyme from thermotoga maritima Chemistry; Metallurgy 150 Expired
US6127155A Stabilized thermostable nucleic acid polymerase compositions containing non-ionic polymeric detergents Emerging Cross-Sectional Technologies 114 Expired
US5466591A 5' to 3' exonuclease mutations of thermostable DNA polymerases Chemistry; Metallurgy 113 Expired
US5674738A DNA encoding thermostable nucleic acid polymerase enzyme from thermus species Z05 Chemistry; Metallurgy 100 Expired
US6040166A Kits for amplifying and detecting nucleic acid sequences, including a probe Emerging Cross-Sectional Technologies 95 Expired
US5407800A Reverse transcription with Thermus thermophilus polymerase Chemistry; Metallurgy 91 Expired
US5561058A Methods for coupled high temperatures reverse transcription and polymerase chain reactions Chemistry; Metallurgy 84 Expired
US6214979A Homogeneous assay system Emerging Cross-Sectional Technologies 79 Expired
US6197563A Kits for amplifying and detecting nucleic acid sequences Chemistry; Metallurgy 77 Expired
US5455170A Mutated thermostable nucleic acid polymerase enzyme from Thermus species Z05 Chemistry; Metallurgy 70 Expired
US5789224A Recombinant expression vectors and purification methods for thermus thermophilus DNA polymerase Chemistry; Metallurgy 69 Expired
US5641864A Kits for high temperature reverse transcription of RNA Chemistry; Metallurgy 66 Expired
US5352600A Purified thermostable enzyme Chemistry; Metallurgy 65 Expired
US5693517A Reagents and methods for coupled high temperature reverse transcription and polymerase chain reactions Emerging Cross-Sectional Technologies 63 Expired

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