Energy Innovations, Inc.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5,548,907 Method and apparatus for transferring heat, mass, and momentum between a fluid and a surfaceExpiredAug 30, 93Aug 27, 96[F26B]
5,487,957 Method and apparatus for converting chemical and thermal energy into electricityExpiredSep 02, 92Jan 30, 96[H01M]
5,456,596 Method and apparatus for producing multivortex fluid flowExpiredFeb 08, 94Oct 10, 95[F23D, B05B]
5,422,787 Apparatus and method for cooling heat generating electronic components in a cabinetExpiredMar 21, 94Jun 06, 95[H05R]
5,297,005 Apparatus and method for cooling heat generating electronic components in a cabinetExpiredSep 28, 92Mar 22, 94[H05K]
4,975,026 Free-piston heat pumpExpiredFeb 17, 89Dec 04, 90[F04B]
4,881,070 Meter reading methods and apparatusExpiredMar 22, 89Nov 14, 89[H04Q]
4,874,225 Solar greenhouse roofExpiredJul 14, 88Oct 17, 89[G02B]
4,850,537 Method and apparatus for producing multivortex fluid flowExpiredDec 08, 86Jul 25, 89[F23D, B05B]
4,803,484 Optically readable and human readable dialExpiredJan 16, 87Feb 07, 89[G08C, G08B]
4,742,536 Telephone monitor circuit and methodExpiredOct 24, 86May 03, 88[H04M]
4,671,805 Method for airport fog precipitationExpiredFeb 15, 84Jun 09, 87[E01H, B03C, B05B]
4,646,084 Meter reading methods and apparatusExpiredJun 21, 85Feb 24, 87[G08C]
4,587,513 Noncontact shaft angle detectorExpiredJun 25, 84May 06, 86[H03M]
4,574,092 Electrogasdynamic coating systemExpiredNov 30, 84Mar 04, 86[B05D]
4,555,909 Method and apparatus for improved cooling of hot materialsExpiredSep 06, 83Dec 03, 85[F25D]
4,498,631 Electrogasdynamic coating systemExpiredDec 06, 82Feb 12, 85[B05B]
4,433,003 Electrogasdynamic coating systemExpiredOct 13, 81Feb 21, 84[B05D]
4,210,376 Electrical connector receptacleExpiredFeb 23, 79Jul 01, 80[H01R, H05K]

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