Assignee
TSI INC
US90 patents
Top patents by PatentIndex Score
US6158431ADec 12, 2000
Portable systems and methods for delivery of therapeutic material to the pulmonary system
TSI INC457 citations99
US6544484B1Apr 8, 2003
Aerosol charge adjusting apparatus employing a corona discharge
TSI INC97 citations97
US5247842ASep 28, 1993
Electrospray apparatus for producing uniform submicrometer droplets
TSI INC195 citations96
US9726579B2Aug 8, 2017
System and method of conducting particle monitoring using low cost particle sensors
TSI INC40 citations95
US6568245B2May 27, 2003
Evaporative electrical detector
TSI INC70 citations95
US6230572B1May 15, 2001
Instrument for measuring and classifying nanometer aerosols
TSI INC88 citations95
US5561515AOct 1, 1996
Apparatus for measuring particle sizes and velocities
TSI INC139 citations95
US5121988AJun 16, 1992
Single particle detector method and apparatus utilizing light extinction within a sheet of light
TSI INC65 citations95
US4387993AJun 14, 1983
Particle size measuring method and apparatus
TSI INC81 citations95
US5085500AFeb 4, 1992
Non-imaging laser particle counter
TSI INC82 citations94
US5076097ADec 31, 1991
Method and apparatus for determining concentration of macromolecules and colloids in a liquid sample
TSI INC76 citations94
US7932490B2Apr 26, 2011
Size segregated aerosol mass concentration measurement device
TSI INC64 citations93
US5098657AMar 24, 1992
Apparatus for measuring impurity concentrations in a liquid
TSI INC151 citations93
US10041862B2Aug 7, 2018
System and method of conducting particle monitoring using low cost particle sensors
TSI INC17 citations92
US6158293ADec 12, 2000
Apparatus for determining powder flowability
TSI INC21 citations92
US5784160AJul 21, 1998
Non-contact interferometric sizing of stochastic particles
TSI INC31 citations91
US5684587ANov 4, 1997
Device and process for interferometric sizing of particles using spatial filtering of scattered radiation
TSI INC28 citations91
US4787251ANov 29, 1988
Directional low differential pressure transducer
TSI INC70 citations91
US5513004AApr 30, 1996
Device for interferometric measurements with compensation for tilt and position of measured cylindrical objects
TSI INC22 citations90
US5343744ASep 6, 1994
Ultrasonic anemometer
TSI INC120 citations90
US5118959AJun 2, 1992
Water separation system for condensation particle counter
TSI INC69 citations90
US4790650ADec 13, 1988
Condensation nucleus counter
TSI INC131 citations90
US5374396ADec 20, 1994
Syringe injection system for measuring non-volatile residue in solvents
TSI INC25 citations89
US5262841ANov 16, 1993
Vacuum particle detector
TSI INC36 citations89
US8047055B2Nov 1, 2011
Size segregated aerosol mass concentration measurement with inlet conditioners and multiple detectors
TSI INC27 citations88
US7057712B2Jun 6, 2006
Analysis systems detecting particle size and fluorescence
TSI INC44 citations88
US4948257AAug 14, 1990
Laser optical measuring device and method for stabilizing fringe pattern spacing
TSI INC45 citations88
US4503706AMar 12, 1985
Constant temperature anemometer
TSI INC29 citations88
US5351523AOct 4, 1994
Apparatus and process for determining filter efficiency in removing colloidal suspensions
TSI INC22 citations87
US4772081ASep 20, 1988
Fiber optic connector assembly
TSI INC50 citations85
US6125845AOct 3, 2000
Respirator fit-testing with size selected aerosol
TSI INC52 citations84
US7796727B1Sep 14, 2010
Aerosol charge conditioner
TSI INC9 citations83
US7407531B2Aug 5, 2008
Particle surface treatment for promoting condensation
TSI INC9 citations83
US10578539B2Mar 3, 2020
Reducing false counts in condensation particle counters
TSI INC5 citations81
US10088425B2Oct 2, 2018
Rapid material analysis using LIBS spectroscopy
TSI INC19 citations80
US5084614AJan 28, 1992
Optical single particle detector with lenseless fiber optic probe
TSI INC25 citations80
US9557278B1Jan 31, 2017
Electromagnetic seed sensor assembly for seed tube planting applications
TSI INC9 citations79
US7812306B2Oct 12, 2010
Instruments for measuring nanoparticle exposure
TSI INC16 citations79
US4875755AOct 24, 1989
Fiber optic connector assembly and method of making same
TSI INC22 citations78
US4523462AJun 18, 1985
Constant temperature anemometer having an enhanced frequency response
TSI INC20 citations78
USD266316SSep 28, 1982
Fluid flow measuring head
TSI INC17 citations76
US5959222ASep 28, 1999
Apparatus for determining powder flowability
TSI INC6 citations74
US4596140AJun 24, 1986
Constant overheat anemometer with sensor lead wire impedance compensation
TSI INC11 citations74
US11435278B2Sep 6, 2022
High-temperature condensation particle counter
TSI INC2 citations71
US5453837ASep 26, 1995
Interferometric device for determining sizes and properties of cylindrical objects based on phase shift measurements
TSI INC13 citations71
US5432605AJul 11, 1995
Interferometric cylinder sizing and velocimetry device
TSI INC13 citations71
US4973969ANov 27, 1990
Coherent frequency burst detector apparatus and method
TSI INC11 citations71
US4843564AJun 27, 1989
Apparatus and method for measuring frequency of coherent component of a composite signal
TSI INC14 citations71
US11085866B2Aug 10, 2021
Reducing false counts in condensation particle counters
TSI INC1 citations70
US10914667B2Feb 9, 2021
Condensation particle counter false count performance
TSI INC4 citations70
Showing the top 50 of 90 patents by PatentIndex Score.