DHD HEALTHCARE CORPORATION

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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 3151
 
  
 
A61B DIAGNOSIS; SURGERY; IDENTIFICATION 2238
 
  
 
A62B DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING 235

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6588421 HME bypass systemSep 29, 00Jul 08, 03[A62B]
6253766 Continuous positive airway pressure therapy deviceAug 24, 99Jul 03, 01[A61M]
6238353 Incentive spirometerAug 25, 99May 29, 01[A61B]
D441070 Continuous positive airway pressure therapy deviceSep 10, 99Apr 24, 01[2902]
D440651 Positive expiratory pressure deviceNov 24, 99Apr 17, 01[2902]
6026807 Metered dose inhaler cloud chamberFeb 27, 98Feb 22, 00[A61M]
5984873 Incentive spirometerJan 20, 98Nov 16, 99[A61B]
5765553 Aerosol medication delivery facemask adapterNov 27, 96Jun 16, 98[A61M]
5598839 Positive expiratory pressure deviceApr 20, 94Feb 04, 97[A62B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6191497 Spirometer counter circuitExpiredAug 25, 99Feb 20, 01[H02J]
5692493 Tongue ProtectorExpiredMar 08, 96Dec 02, 97[A61M]
5158094 Turbine incentive spirometerExpiredOct 16, 90Oct 27, 92[A61B]

Top Inventors for This Owner

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