SILENTOR HOLDING A/S

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F01N GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES 370

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6332510 Gas flow silencerMay 24, 99Dec 25, 01[F01N]
6312650 SilencerFeb 16, 99Nov 06, 01[F01N]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7537083 Silencer containing one or more porous bodiesExpiredJan 23, 06May 26, 09[F01N]
2008/0093,163 Silencer and Open-Structured CatalyserAbandonedOct 26, 05Apr 24, 08[F01N]
2008/0023,265 Combination SilencerAbandonedMay 27, 05Jan 31, 08[F01N]
7159692 SilencerExpiredOct 11, 00Jan 09, 07[F01N]
7104358 Silencer containing one or more porous bodiesExpiredMar 21, 01Sep 12, 06[F01N]
6520286 Silencer and a method of operating a vehicleExpiredSep 29, 00Feb 18, 03[F01N]
6321552 Waste heat recovery systemExpiredMar 06, 01Nov 27, 01[F25B, F02B, F01B]
6220021 Silencer with incorporated catalystExpiredJan 16, 98Apr 24, 01[F01N]
5758497 SilencerExpiredMay 17, 96Jun 02, 98[F01N]

Top Inventors for This Owner

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