CIRCON CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
A61B DIAGNOSIS; SURGERY; IDENTIFICATION 1239

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6485411 Endoscope shaft with superelastic alloy spiral frame and braidApr 12, 00Nov 26, 02[A61B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6475140 Flexible pressure resistant cover for the articulation system of a medical instrumentExpiredNov 10, 00Nov 05, 02[A61B]
5207213 Laparoscope having means for removing image impeding material from a distal lensExpiredFeb 01, 91May 04, 93[A61B]
5199417 Endoscope having a deflectable distal section and a semi-rigid proximal sectionExpiredDec 21, 90Apr 06, 93[A61B]
5154722 Electrohydraulic probe having a controlled discharge pathExpiredSep 14, 90Oct 13, 92[A61B]
5108961 Etchable core glass compositions and method for manufacturing a high performance microchannel plateExpiredMay 10, 91Apr 28, 92[C03C]
5095888 Intubating stylet for a laryngoscopeExpiredJul 09, 90Mar 17, 92[A61B]
D310088 Integrated beam splitter video camera or the likeExpiredJun 18, 87Aug 21, 90[]
4874364 Inspection instrument channel aspirator and pressure neutralizing deviceExpiredMar 22, 88Oct 17, 89[A61M]
4805027 Integrated beam splitter video camera and methodExpiredJun 18, 87Feb 14, 89[A61B]
4759348 Endoscope assembly and surgical instrument for use therewithExpiredSep 28, 81Jul 26, 88[A61B]
4721097 Endoscope sheaths and method and apparatus for installation and removalExpiredOct 31, 86Jan 26, 88[A61B]
4699463 Multidirectional viewing borescopeExpiredNov 01, 85Oct 13, 87[G02B]
4669172 Method for fabrication of flexible shaftExpiredNov 20, 85Jun 02, 87[B23P]
4659195 Engine inspection systemExpiredJan 31, 86Apr 21, 87[G02B]
4639772 Focusable video camera for use with endoscopesExpiredFeb 07, 84Jan 27, 87[H04N]
4600938 Focusable video camera for use with endoscopesExpiredFeb 07, 84Jul 15, 86[H04N]
4600939 Focusable video camera for use with endoscopesExpiredFeb 07, 84Jul 15, 86[H04N]
4600940 Video camera for use with an endoscope and method for making sameExpiredFeb 07, 84Jul 15, 86[H04N]
4532924 Multipolar electrosurgical device and methodExpiredApr 30, 82Aug 06, 85[A61B]
4530568 Flexible optical inspection systemExpiredNov 19, 82Jul 23, 85[G02B]

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