Dreison International, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01D SEPARATION 3131
 
  
 
F04D NON-POSITIVE-DISPLACEMENT PUMPS173

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7258713 Inlet vane for centrifugal particle separatorAug 27, 04Aug 21, 07[B01D]
7104753 Motor fan guardJul 13, 04Sep 12, 06[F04D]
6280493 Air pre-cleanerMar 19, 99Aug 28, 01[B01D]
6110246 Air precleaner having stationary vanes and rotating impellerJul 23, 98Aug 29, 00[B01D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2008/0302,880 Motor cooling deviceAbandonedJun 08, 07Dec 11, 08[F24H, B60H]

Top Inventors for This Owner

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