UNION TRUST COMPANY

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 3203
 
  
 
A61B DIAGNOSIS; SURGERY; IDENTIFICATION 1239
 
  
 
B23Q DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING 139

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5454152 Roller swaging toolSep 16, 93Oct 03, 95[B23Q]
5369277 Infrared sourceOct 17, 90Nov 29, 94[G01N]
5170786 Reusable probe systemDec 16, 91Dec 15, 92[A61B]
5153436 Temperature controlled detectors for infrared-type gas analyzersApr 16, 91Oct 06, 92[G01N]
5146092 Gas analysis transducers with electromagnetic energy detector unitsApr 16, 91Sep 08, 92[G01N]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5413751 Method for making heat-dissipating elements for micro-electronic devicesExpiredMay 20, 93May 09, 95[B22F]
5251121 Power suppliesExpiredOct 18, 90Oct 05, 93[H02M]
5206511 Calibrators for infrared-type gas analyzersExpiredOct 18, 90Apr 27, 93[G01N]
5190038 Pulse oximeter with improved accuracy and response timeExpiredNov 01, 89Mar 02, 93[A61B]
5137173 Sheet dispensersExpiredSep 04, 90Aug 11, 92[B65H]
5068523 Scanner detector array and light diffuserExpiredMar 02, 90Nov 26, 91[H01J, G01N]
5054930 Scanning apparatusExpiredMar 02, 90Oct 08, 91[G01N]
5006722 Flaw annunciator with a controllable display means for an automatic inspection systemExpiredMar 02, 90Apr 09, 91[G09G, G01N]
4958075 Gas analyzerExpiredDec 14, 89Sep 18, 90[G01N, A61B]
4932410 Dual membrane mounting for transcutaneous oxygen and carbon dioxide sensorExpiredOct 18, 88Jun 12, 90[A61B]
4914720 Gas analyzersExpiredNov 21, 88Apr 03, 90[G01N]
4865038 Sensor appliance for non-invasive monitoringExpiredOct 09, 86Sep 12, 89[A61B]
4859858 Gas analyzersExpiredMar 11, 87Aug 22, 89[H05B]
4859859 Gas analyzersExpiredMar 11, 87Aug 22, 89[H05B]
4759369 Pulse oximeterExpiredJul 07, 86Jul 26, 88[A61B]
4541901 Method and apparatus for zero calibration of oxygen-sensing polarographic devicesExpiredApr 25, 84Sep 17, 85[G01N]
4452672 Process and apparatus for polarographic determination of oxygen and carbon dioxideExpiredJan 04, 83Jun 05, 84[G01N]
4401893 Method and apparatus for optically inspecting a moving web of glassExpiredJul 29, 81Aug 30, 83[G01N]
4367735 Nasal cannulaExpiredDec 31, 79Jan 11, 83[A61M]
4301807 Apparatus and method for temperature compensated transcutaneous carbon dioxide measurementExpiredDec 05, 79Nov 24, 81[A61B]

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