BEAR MEDICAL SYSTEMS, 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 2152
 
  
 
A62B DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING 136
 
  
 
G01F MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL; METERING BY VOLUME 158

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5540220 Pressure-limited, time-cycled pulmonary ventilation with volume-cycle overrideDec 08, 94Jul 30, 96[A61M]
5263369 Flow sensor system and methodJul 24, 92Nov 23, 93[G01F]
5107831 Ventilator control system using sensed inspiratory flow rateJun 06, 91Apr 28, 92[A62B, A61M]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5460039 Flow sensor systemExpiredJul 12, 94Oct 24, 95[G01F]
5331995 Flow control system for medical ventilatorExpiredJul 17, 92Jul 26, 94[G05D]
5069220 Measurement of gas concentration in exhaled breathExpiredMay 26, 89Dec 03, 91[A61B]
4702240 Demand-responsive gas blending system for medical ventilatorExpiredJul 22, 86Oct 27, 87[A61M]
4637385 Pulmonary ventilator controllerExpiredJan 13, 86Jan 20, 87[A61M]
4621632 Humidifier systemExpiredNov 01, 84Nov 11, 86[A61M]
4603691 Pulmonary ventilator-bellows-assembly kitExpiredDec 24, 84Aug 05, 86[A61M]
4602653 Electronically-controlled gas blending systemExpiredNov 01, 84Jul 29, 86[G05D]
4527557 Medical ventilator systemExpiredNov 01, 84Jul 09, 85[A61M]
4494252 Laryngeal prosthesisExpiredAug 22, 83Jan 22, 85[A61F]
4489440 Pressure-compensated pneumatic speech simulatorExpiredOct 14, 83Dec 18, 84[A61F]
4476707 Gas flow measurement with detented chopper valveExpiredApr 08, 82Oct 16, 84[G01F]
4459982 Servo-controlled demand regulator for respiratory ventilatorExpiredSep 13, 82Jul 17, 84[A61M]
4417573 Patient adaptor for medical ventilatorExpiredJul 02, 81Nov 29, 83[A61M]
4401116 Gas flow rate control device for medical ventilatorExpiredDec 04, 80Aug 30, 83[A61M]
4367767 Servo-controlled gas pressure relief valveExpiredDec 04, 80Jan 11, 83[F16K]
4357936 Directional thermistor assist sensingExpiredApr 14, 80Nov 09, 82[A61M]
4351329 High frequency breath pumpExpiredNov 06, 80Sep 28, 82[A61M]
4311317 Lip and radial sealExpiredAug 20, 79Jan 19, 82[F16J]
4302640 Flow detectorExpiredNov 07, 79Nov 24, 81[H01H]

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