Coppus Engineering Corporation

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Patent Activity in the Last 10 Years

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4597679 Apparatus for lubricating a bearing assemblyExpiredOct 03, 85Jul 01, 86[F01M, F16C]
4480790 Rotary burnerExpiredDec 27, 82Nov 06, 84[B05B]
4445392 Overspeed trip mechanismExpiredJan 18, 82May 01, 84[G05G, F16H]
4354801 Reaction fan with noise suppressionExpiredJan 23, 81Oct 19, 82[F01D]

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