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LECO CORP
US160 patents
Top patents by PatentIndex Score
US9595431B2Mar 14, 2017
Ion trap mass spectrometer having a curved field region
LECO CORP24 citations98
US7582864B2Sep 1, 2009
Linear ion trap with an imbalanced radio frequency field
LECO CORP80 citations97
US7326925B2Feb 5, 2008
Multi-reflecting time-of-flight mass spectrometer with isochronous curved ion interface
LECO CORP80 citations97
US7196324B2Mar 27, 2007
Tandem time of flight mass spectrometer and method of use
LECO CORP112 citations97
US6316768B1Nov 13, 2001
Printed circuit boards as insulated components for a time of flight mass spectrometer
LECO CORP92 citations97
US7501621B2Mar 10, 2009
Data acquisition system for a spectrometer using an adaptive threshold
LECO CORP56 citations96
US7825373B2Nov 2, 2010
Data acquisition system for a spectrometer using horizontal accumulation
LECO CORP29 citations95
US9779923B2Oct 3, 2017
Method and system for tandem mass spectrometry
LECO CORP23 citations94
US9683963B2Jun 20, 2017
Ion mobility spectrometer with high throughput
LECO CORP27 citations94
US9417211B2Aug 16, 2016
Ion mobility spectrometer with ion gate having a first mesh and a second mesh
LECO CORP28 citations94
US8921772B2Dec 30, 2014
Ion mobility spectrometer
LECO CORP42 citations94
US7385187B2Jun 10, 2008
Multi-reflecting time-of-flight mass spectrometer and method of use
LECO CORP126 citations94
US5981946ANov 9, 1999
Time-of-flight mass spectrometer data acquisition system
LECO CORP54 citations94
US5155547AOct 13, 1992
Power control circuit for inductively coupled plasma atomic emission spectroscopy
LECO CORP60 citations94
US9865445B2Jan 9, 2018
Multi-reflecting mass spectrometer
LECO CORP22 citations93
US8373120B2Feb 12, 2013
Method and apparatus for ion manipulation using mesh in a radio frequency field
LECO CORP44 citations93
US7884319B2Feb 8, 2011
Data acquisition system for a spectrometer
LECO CORP27 citations93
US7772547B2Aug 10, 2010
Multi-reflecting time-of-flight mass spectrometer with orthogonal acceleration
LECO CORP51 citations93
US10141175B2Nov 27, 2018
Quasi-planar multi-reflecting time-of-flight mass spectrometer
LECO CORP18 citations92
US9881780B2Jan 30, 2018
Multi-reflecting mass spectrometer with high throughput
LECO CORP25 citations92
US9768008B2Sep 19, 2017
Ion trap mass spectrometer
LECO CORP14 citations92
US7402280B2Jul 22, 2008
Automatic crucible and sample loading system and method
LECO CORP20 citations92
US6291802B1Sep 18, 2001
Sample introduction assembly
LECO CORP25 citations92
US6163032ADec 19, 2000
Tapered or tilted electrodes to allow the superposition of independently controllable DC field gradients to RF fields
LECO CORP26 citations92
US5879634AMar 9, 1999
High pressure containment assembly
LECO CORP24 citations92
US4525328AJun 25, 1985
Carbon, hydrogen, and nitrogen analyzer
LECO CORP44 citations92
US4234541ANov 18, 1980
Combustion chamber cleaning apparatus
LECO CORP33 citations92
US3985505AOct 12, 1976
Combustion system
LECO CORP45 citations92
US8017907B2Sep 13, 2011
Data acquisition system for a spectrometer that generates stick spectra
LECO CORP23 citations91
US5315091AMay 24, 1994
Resistively heated sample preparation apparatus
LECO CORP36 citations91
US10192723B2Jan 29, 2019
Soft ionization based on conditioned glow discharge for quantitative analysis
LECO CORP19 citations90
US4522788AJun 11, 1985
Proximate analyzer
LECO CORP73 citations90
US4019017AApr 19, 1977
Arc control circuit
LECO CORP35 citations90
US9396922B2Jul 19, 2016
Electrostatic ion mirrors
LECO CORP26 citations89
US7884317B2Feb 8, 2011
Base line restoration circuit
LECO CORP20 citations89
US7139422B2Nov 21, 2006
Indentation hardness test system
LECO CORP22 citations89
US5322360AJun 21, 1994
Isothermal calorimeter
LECO CORP28 citations89
US5236353AAug 17, 1993
Vertical combustion furnace
LECO CORP29 citations89
US9786484B2Oct 10, 2017
Method and apparatus for decoding multiplexed information in a chromatographic system
LECO CORP24 citations88
US9472390B2Oct 18, 2016
Tandem time-of-flight mass spectrometry with non-uniform sampling
LECO CORP26 citations88
US4616938AOct 14, 1986
Apparatus for measuring thermal and other quantities of substances
LECO CORP29 citations87
US10006892B2Jun 26, 2018
Method of targeted mass spectrometric analysis
LECO CORP18 citations86
US9941107B2Apr 10, 2018
Cylindrical multi-reflecting time-of-flight mass spectrometer
LECO CORP18 citations86
US5395586AMar 7, 1995
Sample autoloader for use with an analytical combustion furnace
LECO CORP24 citations86
US5314662AMay 24, 1994
Sample autoloader for use with an analytical combustion furnace
LECO CORP20 citations86
US5269827ADec 14, 1993
Analytical sample preparation system
LECO CORP23 citations86
US4238450ADec 9, 1980
Crucible loading-unloading system
LECO CORP31 citations86
US6023330AFeb 8, 2000
Centered sphere spectrometer
LECO CORP34 citations85
US10354855B2Jul 16, 2019
Ion trap mass spectrometer
LECO CORP2 citations84
US10163616B2Dec 25, 2018
Multi-reflecting time-of-flight analyzer
LECO CORP18 citations84
Showing the top 50 of 160 patents by PatentIndex Score.