Patent assignee · US · COMPANY

PerkinElmer Instruments LLC

33Patents
0Active
33Granted
35Portfolio score

Filing activity: Jan 21, 1997 → Jul 28, 2003

Most-cited patents

PatentTitleAreaCited byStatus
US6430513B1 Monitoring constituents of an animal organ using statistical correlation Physics 130 Expired
US6652625B1 Analyte pre-concentrator for gas chromatography Physics 49 Expired
US6094627A High-performance digital signal averager Physics 46 Expired
US6180942A Ion detector, detector array and instrument using same Electricity 41 Expired
US6814785B2 Analyte pre-concentrator for gas chromatography Physics 29 Expired
US6494939B1 Zero-dilution split injector liner gas chromatography Physics 26 Expired
US6203760A Autosampler having gripper with shape memory metal actuator Emerging Cross-Sectional Technologies 26 Expired
US6195574A Monitoring constituents of an animal organ using discrete radiation Human Necessities 25 Expired
US6170984A Apparatus and method for differential analysis using real and imaginary signal components Physics 20 Expired
US6347288B1 Automatic pole-zero adjustment circuit for an ionizing radiation spectroscopy system and method Electricity 15 Expired
US6610982B2 Suppression of undesired components in the measured spectra of spectrometers Physics 13 Expired
US6497509B2 Method for measuring absolute value of thermal conductivity Physics 12 Expired
US6645773B2 Method for measuring effective temperature inside a sealed container Emerging Cross-Sectional Technologies 12 Expired
US6295508A Automatic pole-zero adjustment circuit for an ionizing radiation spectroscopy system and method Electricity 9 Expired
US6438147B1 Tunable external cavity diode laser Electricity 8 Expired
US6181865A Self aligning optical fiber terminator Physics 8 Expired
US6891156B2 Sample plate for matrix-assisted laser desorption and ionization mass spectrometry Emerging Cross-Sectional Technologies 6 Expired
US6418383B1 Method and apparatus for iterative spectral compensation Physics 5 Expired
US6932941B2 Method and apparatus for improved gas detection Emerging Cross-Sectional Technologies 5 Expired
US6872290B2 Electrochemical gas sensor with passage for receiving gas Emerging Cross-Sectional Technologies 4 Expired
US6391647B1 Method and a device for atomic absorption spectroscopy Emerging Cross-Sectional Technologies 4 Expired
US6860632B2 Instrument material holder and method of fabrication thereof Physics 4 Expired
US6908538B2 Electrochemical gas sensor having a porous electrolyte Emerging Cross-Sectional Technologies 4 Expired
US6629039B1 Method and apparatus for impurity detection Physics 3 Expired
US6824656B2 Interdigitated electrochemical gas generator Physics 3 Expired

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