CV DYNAMICS, INC.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6296663 Bileaflet heart valve having open channel and swivel pivotsExpiredApr 05, 99Oct 02, 01[A61F]
6183511 Bileaflet heart valve having open channel and swivel pivotsExpiredOct 02, 98Feb 06, 01[A61F]
6050934 Urinary catheter having palpitatable discharge valve with protective shouldersExpiredFeb 25, 98Apr 18, 00[A61F]
5824062 Bileaflet heart valve having dynamic pivot mechanismExpiredMar 29, 96Oct 20, 98[A61F]
5707357 Balloon catheter having palpitatable discharge valve and retention collarExpiredFeb 22, 96Jan 13, 98[A61M]
5624395 Urinary catheter having palpitatable valve and balloon and method for making sameExpiredOct 20, 95Apr 29, 97[A61M]
4404100 Hemodialyzer with pleated membraneExpiredMay 05, 82Sep 13, 83[B01D]
4303530 Blood filterExpiredOct 26, 77Dec 01, 81[B01D]
4240161 Arcuate disc heart valveExpiredFeb 21, 79Dec 23, 80[A61F]
4238340 HemodialyzerExpiredMay 04, 79Dec 09, 80[B01D]

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