QMI MEDICAL, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
A61M DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY 4150
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 161
 
  
 
F16J PISTONS; CYLINDERS; PRESSURE VESSELS IN GENERAL; SEALINGS149

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
RE36386 Cardioplegia delivery systemFeb 12, 97Nov 09, 99[A61M]
5645531 Constant pressure blood mixture delivery system and methodMar 01, 94Jul 08, 97[A61M]
5638737 Spline pumping assemblyNov 27, 95Jun 17, 97[F16J]
5588816 Disposable cassette for cardioplegia delivery systemJan 31, 95Dec 31, 96[F04B]
5573502 Display panel and controls for blood mixture delivery systemMar 01, 94Nov 12, 96[A61M]
5385540 Cardioplegia delivery systemMay 26, 93Jan 31, 95[A61M]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5779685 Retrograde cardioplegia catheter and method of useExpiredNov 13, 95Jul 14, 98[A61M]
D354335 Check valveExpiredApr 05, 93Jan 10, 95[]
4979644 Rate-controlled gravity drip delivery apparatusExpiredFeb 15, 89Dec 25, 90[B65D]
4806135 Bubble trap for phase-separating gas bubbles from flowing liquidsExpiredMar 01, 88Feb 21, 89[B01D]
4758224 Suction control valve for left ventricle ventingExpiredMay 26, 87Jul 19, 88[F16K]
4725266 Left ventricle vacuum control and pressure relief valveExpiredJul 10, 86Feb 16, 88[F16K]
4675010 Thoracic drainage collection system and methodExpiredOct 04, 85Jun 23, 87[A61M]
4642097 Left ventrical vacuum control and pressure relief valveExpiredMar 25, 85Feb 10, 87[F16K]
4623343 Parenteral fluid administration apparatus and methodExpiredMar 19, 84Nov 18, 86[A61B]
4606365 Buoyant blood stop valveExpiredJul 02, 85Aug 19, 86[F16K]
4447230 Intravenous administration set assemblyExpiredAug 05, 81May 08, 84[A61M]
4407297 Method and apparatus for performing non-invasive blood pressure and pulse rate measurementsExpiredNov 20, 80Oct 04, 83[A61B]
4398908 Insulin delivery systemExpiredNov 28, 80Aug 16, 83[F16K, F04B, A61M]
4368118 Blood-air separator and filterExpiredSep 15, 80Jan 11, 83[B01D]
4344777 Directed flow bubble trap for arterial bloodExpiredJan 07, 80Aug 17, 82[B01D]
4338949 Method for performing non-invasive blood pressure and pulse rate measurementsExpiredDec 02, 80Jul 13, 82[A61B]
4326537 Method and apparatus for performing non-invasive blood pressure and pulse rate measurementsExpiredNov 19, 80Apr 27, 82[A61B]
4311139 Method and apparatus for catheter insertionExpiredMar 28, 80Jan 19, 82[A61M]
4278437 Fluid specimen holder for biological fluid testingExpiredApr 09, 79Jul 14, 81[G01N, B01L]
4271844 Method and apparatus for performing non-invasive blood pressure and pulse rate measurementsExpiredAug 06, 79Jun 09, 81[A61B]

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