TYLER REFRIGERATION CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F25D REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHER SUBCLASS 244
 
  
 
A47F SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS, OR THE LIKE; PAYING COUNTERS131

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5323621 Gas defrost systemFeb 26, 93Jun 28, 94[F25D]
RE31909 Refrigerated display case having ambient air defrostOct 19, 83Jun 11, 85[F25D, A47F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6547346 Dipping cabinet with improved service doorExpiredDec 20, 00Apr 15, 03[A47F]
6438983 Dipping cabinet with improved lightingExpiredDec 20, 00Aug 27, 02[A47F]
6427468 Frost shield for refrigerated cabinetExpiredAug 15, 00Aug 06, 02[F25D]
4840040 Island type refrigeration display cabinetExpiredSep 22, 88Jun 20, 89[A47F]
4831835 Refrigeration systemExpiredApr 21, 88May 23, 89[F25B]
4621502 Electronic temperature control for refrigeration systemExpiredJan 11, 85Nov 11, 86[G01K, F25B]
4577467 Frost diffusion system for refrigeration apparatusExpiredOct 30, 84Mar 25, 86[A47F]
4557467 Elbow of staircase hand railExpiredAug 14, 84Dec 10, 85[E04H]
4554795 Compressor oil return system for refrigeration apparatus and methodExpiredNov 14, 83Nov 26, 85[F25B]
4537040 Automated energy conserving cover for refrigerated cabinet access openingsExpiredAug 26, 83Aug 27, 85[A47F]
4514988 Refrigerated display case having ambient air defrostExpiredNov 09, 83May 07, 85[F25D]
4489995 Adjustable electrical outlet assemblyExpiredAug 14, 81Dec 25, 84[A47B, A47F]
4478051 Electronic temperature control systemExpiredMay 06, 83Oct 23, 84[F25B, G05D]
4478047 Energy efficient glass door merchandiserExpiredFeb 16, 82Oct 23, 84[F25D]
4457138 Refrigeration system with receiver bypassExpiredJan 29, 82Jul 03, 84[F25B]
4457139 Refrigerated display case having ambient air defrostExpiredMar 25, 82Jul 03, 84[A47F]
4449374 Combination hot gas and air defrost refrigerated display caseExpiredJul 13, 82May 22, 84[A47F]
4439992 Open top refrigerated case with defrost air intake and colliding band air defrostExpiredJul 06, 82Apr 03, 84[A47F]
4437317 Head pressure maintenance for gas defrostExpiredFeb 26, 82Mar 20, 84[F25B, F25D]
4424685 Automated energy conserving cover for refrigerated cabinet access openingsExpiredApr 24, 81Jan 10, 84[A47F]

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