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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
A62B DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING 136
 
  
 
F01B MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES 126

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8517020 Pressurized container valve, in particular compressed air bottle valve for a compressed air respiratorExpiredMar 15, 07Aug 27, 13[A62B]
2010/0307,506 MASK BODY FOR A RESPIRATORY HALF-MASKAbandonedOct 15, 08Dec 09, 10[A62B]
2010/0072,368 Spectral Measuring SystemAbandonedJan 28, 08Mar 25, 10[H01L]
7278628 Device for the dosing of gaseous and/or vaporous mattersExpiredJan 30, 03Oct 09, 07[B01F]
2007/0176,769 Warning system for people in hazardous conditionsAbandonedFeb 26, 04Aug 02, 07[G08B]
6953318 Volumetric control for blower filter devicesExpiredApr 06, 01Oct 11, 05[F01B]
2005/0121,035 Respiratory apparatus for compressed-air breathing equipmentAbandonedJan 27, 05Jun 09, 05[A62B, A61M]
6894610 Monitoring and warning system for individuals working under hazardous operating conditionsExpiredFeb 20, 02May 17, 05[H04Q]
6776161 Head harness for a respiratorExpiredDec 19, 03Aug 17, 04[A62B]
6541894 Piezoelectric acoustic alarmExpiredJun 03, 02Apr 01, 03[H01L, H04R]
6516653 Gas sensor arrangementExpiredApr 09, 01Feb 11, 03[G01N]

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