DOMNICK HUNTER LIMITED

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6428877 Scanning image and thermotransfer foil for production thereofExpiredFeb 21, 97Aug 06, 02[B32B]
6344070 Selective adsorption of components of a gas mixtureExpiredJun 26, 00Feb 05, 02[B01D]
5196117 Apparatus for separating oil from an oil/water mixtureExpiredJan 09, 92Mar 23, 93[B01D]
4823727 Pressure indicatorExpiredFeb 08, 88Apr 25, 89[G01L]
4786298 Filter assemblyExpiredSep 18, 87Nov 22, 88[B01D]
4774038 Polyamide membranesExpiredFeb 18, 87Sep 27, 88[B29C]
4701258 Filter housingsExpiredJun 12, 86Oct 20, 87[B01D]
4696687 FiltersExpiredJun 12, 86Sep 29, 87[B01D]
4668256 Liquid/gas separationExpiredNov 22, 85May 26, 87[B01D]
4631073 Method and apparatus for theadsorptive fractionation of gasesExpiredJul 05, 85Dec 23, 86[B01D]
4564376 Filter element and method of making a filter elementExpiredOct 14, 83Jan 14, 86[B01D]
4559065 Twin tower gas fractionation apparatusExpiredMar 15, 84Dec 17, 85[B01D]
4537748 Apparatus for treating compressed air for breathing purposesExpiredSep 09, 82Aug 27, 85[A62B]

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