PURITAN-BENNETT CORPORATION
Patent Owner
Stats
- 30 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Sep 21, 2004 most recent publication
Details
- 30 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 10,359 Total Citation Count
- Feb 28, 1979 Earliest Filing
- 65 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
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Top Patents (by citation)
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Recent Publications
- No Recent Publications to Display
Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
6299581 Method and apparatus for optimizing the continuous positive airway pressure for treating obstructive sleep apneaMay 10, 96Oct 09, 01[A62B]
5813399 System and method for closed loop airway pressure control during the inspiratory cycle of a breath in a patient ventilator using the exhalation valve as a microcomputer-controlled relief valveJan 10, 97Sep 29, 98[F16K, A62B, A61M]
5660171 System and method for flow triggering of pressure supported ventilation by comparison of inhalation and exhalation flow ratesAug 21, 96Aug 26, 97[F16K, A62B, A61M]
5632270 Method and apparatus for control of lung ventilator exhalation circuitSep 12, 94May 27, 97[A61M]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
6793629 Method and apparatus for optimizing the continuous positive airway pressure for treating obstructive sleep apneaExpiredNov 07, 02Sep 21, 04[A61B]
5452621 Ultrasonic gas measuring device incorporating efficient displayExpiredJun 03, 94Sep 26, 95[G01N]
5369979 Ultrasonic gas measuring device incorporating efficient displayExpiredMar 24, 94Dec 06, 94[G01N]
5326531 CO.sub.2 sensor using a hydrophilic polyurethane matrix and process for manufacturingExpiredDec 11, 92Jul 05, 94[G01N]
5326585 Method and compositions for manufacture of chemical sensorsExpiredAug 17, 93Jul 05, 94[B05D, G02B]
5262192 Method and compositions for manufacture of chemical sensorsExpiredApr 27, 92Nov 16, 93[B05D, G02B]
5212092 Storage and calibration solution for multiparameter intravascular blood gas sensor deviceExpiredMay 22, 92May 18, 93[G01N, A61B, G01C]
5205322 Method and apparatus for flow control for sensor calibrationExpiredJun 17, 92Apr 27, 93[F16K]
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