PORTEX, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H01Q AERIALS 1109

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6411264 Two-element driven array with improved tuning and matchingNov 17, 00Jun 25, 02[H01Q]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2003/0031,324 Solenoid for an electrolarynxAbandonedAug 07, 01Feb 13, 03[A61F, H04R]
2003/0031,325 Electrolarynx with an improved diaphragmAbandonedAug 07, 01Feb 13, 03[A61F, H04R]
2003/0031,326 Magnet assembly for an electrolarynxAbandonedAug 07, 01Feb 13, 03[A61F]
6209541 Hydrophobic electrostatic breathing filters, and methods of manufacturing the sameExpiredFeb 25, 98Apr 03, 01[A62B]
5443064 Tracheostomy tube with adjustable neck plateExpiredMar 24, 94Aug 22, 95[A61M]
4753758 Respiratory humidifierExpiredApr 02, 87Jun 28, 88[B01F, A61M]
4637388 Tracheal tube obturator with reversible tipExpiredOct 15, 84Jan 20, 87[A61M]
4193174 Lever and fulcrum clamping assemblyExpiredApr 11, 78Mar 18, 80[A44B]

Top Inventors for This Owner

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