Zeuna-Starker GmbH & Co. KG

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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 172

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5666805 Emission control system for internal-combustion enginesJan 23, 96Sep 16, 97[F01N]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6588105 Method and device for producing an absorption silencerExpiredMar 20, 01Jul 08, 03[B21D]
6026570 Method for producing an exhaust gas manifold for a multi-cylinder engineExpiredMar 02, 98Feb 22, 00[B23D]
5911683 Exhaust-gas collecting and cleaning device as well as exhaust-gas device for a multi-cylinder engineExpiredApr 02, 98Jun 15, 99[F01N]
5285687 Process for the acoustic examination of monoliths for damage and device for implementing the processExpiredOct 07, 91Feb 15, 94[G01H]
5140814 Exhaust gas system with an particulate filter and a regenerating burnerExpiredJan 09, 91Aug 25, 92[F01N]
5001899 Process and apparatus for the cleaning of a soot filterExpiredJun 20, 88Mar 26, 91[F01N]
4747264 Process for the automatic regeneration of a soot filter in a passenger vehicle having a diesel engineExpiredOct 08, 86May 31, 88[F01N]
4629605 Device for catalytically purifying exhaust gases for a combustion engineExpiredApr 24, 85Dec 16, 86[B01J]
4386586 Manifold on a six-cylinder in line engineExpiredSep 04, 80Jun 07, 83[F02B]
4373331 Manifold on an internal combustion engineExpiredSep 04, 80Feb 15, 83[F01N]
4344921 Catalyzer for detoxifying exhaust gases from internal combustion enginesExpiredSep 06, 77Aug 17, 82[F01N, B01J]
4344922 Catalyzer for detoxifying exhaust gases from internal combustionExpiredSep 06, 77Aug 17, 82[F01N, B01J]
4335077 Catalyzer for detoxifying exhaust gases from internal combustion enginesExpiredMar 19, 73Jun 15, 82[F01N, B01J]

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