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MDS INC
CA71 patents
Top patents by PatentIndex Score
US6586731B1Jul 1, 2003
High intensity ion source apparatus for mass spectrometry
MDS INC89 citations98
US6504148B1Jan 7, 2003
Quadrupole mass spectrometer with ION traps to enhance sensitivity
MDS INC165 citations98
US6177668B1Jan 23, 2001
Axial ejection in a multipole mass spectrometer
MDS INC332 citations98
US6093929AJul 25, 2000
High pressure MS/MS system
MDS INC91 citations98
US6744043B2Jun 1, 2004
Ion mobilty spectrometer incorporating an ion guide in combination with an MS device
MDS INC161 citations97
US6507019B2Jan 14, 2003
MS/MS scan methods for a quadrupole/time of flight tandem mass spectrometer
MDS INC88 citations97
US6285027B1Sep 4, 2001
MS/MS scan methods for a quadrupole/time of flight tandem mass spectrometer
MDS INC119 citations97
US6140638AOct 31, 2000
Bandpass reactive collision cell
MDS INC141 citations97
US5847386ADec 8, 1998
Spectrometer with axial field
MDS INC433 citations97
US5969352AOct 19, 1999
Spray chamber with dryer
MDS INC89 citations94
USRE39353EOct 17, 2006
Mass spectrometer system and method for matrix-assisted laser desorption measurements
MDS INC38 citations93
US6933497B2Aug 23, 2005
Time-of-flight mass analyzer with multiple flight paths
MDS INC36 citations93
US7456388B2Nov 25, 2008
Ion guide for mass spectrometer
MDS INC34 citations92
US7259371B2Aug 21, 2007
Method and apparatus for improved sensitivity in a mass spectrometer
MDS INC38 citations92
US7145133B2Dec 5, 2006
Apparatus and method for MSnth in a tandem mass spectrometer system
MDS INC50 citations92
US7060972B2Jun 13, 2006
Triple quadrupole mass spectrometer with capability to perform multiple mass analysis steps
MDS INC19 citations92
US6875618B2Apr 5, 2005
Method for phosphorus quantitation
MDS INC20 citations92
US6841774B1Jan 11, 2005
Sample introduction device for mass spectrometry using a fast fluidic system to synchronize multiple parallel liquid sample streams
MDS INC26 citations92
US6720554B2Apr 13, 2004
Triple quadrupole mass spectrometer with capability to perform multiple mass analysis steps
MDS INC45 citations92
US6700120B2Mar 2, 2004
Method for improving signal-to-noise ratios for atmospheric pressure ionization mass spectrometry
MDS INC25 citations92
US6630665B2Oct 7, 2003
Device and method preventing ion source gases from entering reaction/collision cells in mass spectrometry
MDS INC25 citations92
US6627912B2Sep 30, 2003
Method of operating a mass spectrometer to suppress unwanted ions
MDS INC34 citations92
US6627876B2Sep 30, 2003
Method of reducing space charge in a linear ion trap mass spectrometer
MDS INC37 citations92
US6590204B2Jul 8, 2003
Method for reducing chemical background in mass spectra
MDS INC32 citations92
US6525312B1Feb 25, 2003
Mass spectrometer with method for real time removal of background signal
MDS INC36 citations92
US6194717B1Feb 27, 2001
Quadrupole mass analyzer and method of operation in RF only mode to reduce background signal
MDS INC36 citations92
US6166378ADec 26, 2000
Method for improved signal-to-noise for multiply charged ions
MDS INC26 citations92
US6114691ASep 5, 2000
RF-only mass spectrometer with auxiliary excitation
MDS INC26 citations92
US6028308AFeb 22, 2000
Resolving RF mass spectrometer
MDS INC22 citations92
US6015972AJan 18, 2000
Boundary activated dissociation in rod-type mass spectrometer
MDS INC36 citations92
US7365319B2Apr 29, 2008
Method for providing barrier fields at the entrance and exit end of a mass spectrometer
MDS INC21 citations91
US7256395B2Aug 14, 2007
Method and apparatus for improved sensitivity in a mass spectrometer
MDS INC30 citations91
US7227137B2Jun 5, 2007
Fragmentation of ions by resonant excitation in a high order multipole field, low pressure ion trap
MDS INC39 citations91
US7141789B2Nov 28, 2006
Method and apparatus for providing two-dimensional substantially quadrupole fields having selected hexapole components
MDS INC24 citations91
US7126114B2Oct 24, 2006
Method and system for mass analysis of samples
MDS INC36 citations91
US7109480B2Sep 19, 2006
Ion source and methods for MALDI mass spectrometry
MDS INC24 citations91
US7030373B2Apr 18, 2006
MALDI plate construction with grid
MDS INC25 citations91
US6759650B2Jul 6, 2004
Method of and apparatus for ionizing an analyte and ion source probe for use therewith
MDS INC37 citations91
US6713757B2Mar 30, 2004
Controlling the temporal response of mass spectrometers for mass spectrometry
MDS INC52 citations91
US6703607B2Mar 9, 2004
Axial ejection resolution in multipole mass spectrometers
MDS INC49 citations91
US7135296B2Nov 14, 2006
Elemental analysis of tagged biologically active materials
MDS INC42 citations89
US6849848B2Feb 1, 2005
Method and apparatus for cooling and focusing ions
MDS INC22 citations89
US6909089B2Jun 21, 2005
Methods and apparatus for reducing artifacts in mass spectrometers
MDS INC31 citations88
US6900061B2May 31, 2005
MALDI plate and process for making a MALDI plate
MDS INC20 citations88
US7176454B2Feb 13, 2007
Ion sources for mass spectrometry
MDS INC33 citations87
US6995363B2Feb 7, 2006
Reduction of matrix interference for MALDI mass spectrometry analysis
MDS INC19 citations87
US6534765B1Mar 18, 2003
Atmospheric pressure photoionization (APPI): a new ionization method for liquid chromatography-mass spectrometry
MDS INC72 citations87
US6815673B2Nov 9, 2004
Use of notched broadband waveforms in a linear ion trap
MDS INC47 citations86
US7196327B2Mar 27, 2007
Quadrupole mass spectrometer with spatial dispersion
MDS INC13 citations84
US6992285B1Jan 31, 2006
Method and apparatus for analyzing a substance using MSn analysis
MDS INC13 citations84
Showing the top 50 of 71 patents by PatentIndex Score.