Stavo Industries, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01D SEPARATION 2132

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5938920 Filter plate assembly for horizontal-type filter pressJul 21, 97Aug 17, 99[B01D]
5366627 Enclosed thorough wash filter pressJul 22, 93Nov 22, 94[B01D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2008/0149,556 Horizontal sanitary lenticular cartridge housing assemblyAbandonedDec 22, 06Jun 26, 08[B01D]
2004/0238,598 Filter plate and frame and method of makingAbandonedJul 06, 04Dec 02, 04[B23K]
2004/0211,719 Unitary two stage filtration systemAbandonedApr 23, 03Oct 28, 04[B01D]
2003/0192,818 Filter plate and frame and method of makingAbandonedApr 12, 02Oct 16, 03[B23P, B01D]
5443720 Sanitary cartridge filter housingExpiredFeb 01, 94Aug 22, 95[B01D]
5316678 Filter cell seal assemblyExpiredMay 13, 92May 31, 94[B01D]
4392956 Encapsulated frame type filter pressExpiredSep 11, 81Jul 12, 83[B01D]
4363491 Shaft seal assemblyExpiredDec 18, 80Dec 14, 82[F16J]

Top Inventors for This Owner

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