Engineered Air Systems, Inc.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5118284 Combustion apparatus for fluid fuels and method of combusting fuel-air mixturesExpiredFeb 04, 91Jun 02, 92[F23M]
4875851 Steady state fuel burner assembly for a heat exchanger and method of operating sameExpiredAug 29, 88Oct 24, 89[F23N]
4815285 Gas turbine engine bleed control systemExpiredMar 09, 87Mar 28, 89[F02C]
4788963 Fuel supply system for heaterExpiredNov 20, 87Dec 06, 88[F24H]
4771945 Decontamination apparatus and methodExpiredApr 03, 87Sep 20, 88[B05B]
4767314 Pulse jet engine assemblyExpiredJun 08, 87Aug 30, 88[F23C]
4753593 Fuel burner assemblyExpiredSep 21, 87Jun 28, 88[F23Q]
4729353 Fuel container support system for a combustion engineExpiredDec 29, 86Mar 08, 88[F02F]
4729365 Air heating apparatus and methodExpiredJul 21, 86Mar 08, 88[F24H]
4691687 Portable air heating apparatusExpiredSep 02, 86Sep 08, 87[F24H]
4558636 Protective shelter flow control apparatusExpiredApr 30, 84Dec 17, 85[F24F]
4501126 Method and apparatus for liquid freezingExpiredJan 09, 84Feb 26, 85[F25D]
4459812 Method and apparatus for liquid freezingExpiredMar 10, 83Jul 17, 84[F25C]
4370863 Air conditionerExpiredMar 12, 81Feb 01, 83[F25D]

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