RECOVERY ENGINEERING, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01D SEPARATION 1133

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
RE32144 Reverse osmosis method and apparatusFeb 05, 82May 13, 86[B01D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2002/0125,187 Pour-through water treatment dispenserAbandonedApr 29, 02Sep 12, 02[B01D]
4945725 Differential-area piston type mixed-phase motorsExpiredAug 29, 88Aug 07, 90[F01K, F25B]
4902207 Energy recovery apparatusExpiredDec 23, 88Feb 20, 90[F04B]
4534713 Pump apparatusExpiredAug 10, 84Aug 13, 85[F04B]
4432876 Reverse osmosis apparatus and method incorporating external fluid exchangeExpiredJul 30, 80Feb 21, 84[B01D]
4187173 Reverse osmosis method and apparatusExpiredMar 14, 78Feb 05, 80[B01D]

Top Inventors for This Owner

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