| Patents for F25D 21 - Defrosting; Preventing frosting; Removing condensed or defrost water (6,980) |
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| 09/13/1994 | US5345778 Low temperature display merchandiser |
| 09/13/1994 | US5345775 Refrigeration system detection assembly |
| 09/06/1994 | CA2010958C Low-temperature show case |
| 08/31/1994 | EP0612966A1 Impingement heating or cooling apparatus and method therefore |
| 08/30/1994 | US5341653 Apparatus and method for disposing of condensate from evaporator drip pans |
| 08/24/1994 | EP0611929A1 Cooling or freezing apparatus with a thermally insulated housing |
| 08/24/1994 | EP0611296A1 Method of thawing cryosurgical apparatus |
| 08/23/1994 | US5339644 Defrost system for refrigeration apparatus |
| 08/23/1994 | US5339643 Method for defrosting a laboratory freezer door |
| 08/17/1994 | EP0611147A2 Fuzzy logic apparatus control |
| 08/17/1994 | EP0585388A4 Refrigerated container |
| 08/03/1994 | EP0608439A1 Evaporator with improved condensate collection |
| 08/03/1994 | EP0608327A1 Cooling system. |
| 08/03/1994 | EP0608256A1 Condensor. |
| 08/02/1994 | US5334406 Method and device for transmitting heating or cooling medium to a food product on a moving substrate |
| 07/26/1994 | US5332028 Method and apparatus for controlling supplemental electric heat during heat pump defrost |
| 07/26/1994 | CA2072201C Electronic ice bank control |
| 07/19/1994 | US5329781 Frost control system |
| 07/19/1994 | US5329778 Thermally insulated bottle and method of assembly thereof |
| 07/12/1994 | US5327743 Sub cooling condensate trap with easily removable lid |
| 07/06/1994 | CN2171091Y Frost remover for evaporator |
| 06/29/1994 | EP0603576A2 Device for reducing energy consumption during refrigerator defrosting |
| 06/28/1994 | US5323620 Air conditioners |
| 06/21/1994 | US5321958 Small-sized refrigerator |
| 06/16/1994 | DE4343537A1 Refrigerated display unit with trough open at top and air ducts at trough sides - has duct openings in upper parts of sides and bottom air duct in bottom part of trough and refrigeration machine with at least one heat exchanger |
| 06/15/1994 | EP0601128A1 Air treatment plant for foodstuffs with conveyor belt periodically driven opposite direction to the troughfeed direction. |
| 06/14/1994 | US5319943 Frost/defrost control system for heat pump |
| 05/31/1994 | US5315836 Air cooling unit having a hot gas defrost circuit |
| 05/31/1994 | US5315835 Method of learning a refrigerator use pattern for controlling a defrosting operation of the refrigerator |
| 05/25/1994 | EP0598612A2 Defrost cycle controller |
| 05/20/1994 | CA2109543A1 Temperature and pressure sensor for cooling systems and other pressurized systems |
| 05/11/1994 | EP0596035A1 Refrigeration apparatus for cooling air capable of being mounted in any position and having means for collecting and removing condensates. |
| 05/11/1994 | DE4237293A1 Refrigerator or freezer with door seal condensation inhibitor system - has internal warm coolant pipe circuit pressed into good thermal contact with housing in door region to promote efficient heat transfer |
| 05/05/1994 | DE4313022C1 Cooling unit for electronic or electrical appts. - performs removal of condensed water droplets before cooled air is discharged into cooled appts. housing |
| 05/03/1994 | US5308670 Floor cover with raised sides |
| 05/03/1994 | US5307647 Food serving refrigerant device |
| 04/20/1994 | EP0593194A1 Method for sequentially operating refrigeration system with multiple evaporators |
| 04/20/1994 | CN1085650A Refrigerator |
| 04/20/1994 | CN1085648A The condensation drainer of the kimchi compartment of the refrigerator |
| 04/13/1994 | EP0592004A1 Refrigerator |
| 04/13/1994 | CN2161880Y Frost removal for refrigerator |
| 04/12/1994 | US5301516 Potable water collection apparatus |
| 03/22/1994 | US5295361 Defrost recycle device |
| 03/15/1994 | US5293753 Method for preventing bacterial growth in a food processing plant and such a plant for carrying out the method |
| 03/09/1994 | EP0585388A1 Refrigerated container |
| 02/16/1994 | CN2156453Y Defrost device for freezer |
| 02/08/1994 | US5284023 Reach-in cooler with window |
| 02/08/1994 | CA1326893C Low-temperature foods preserving case and its temperature control method |
| 01/28/1994 | CA2101382A1 Thermally insulated bottle and method of assembly thereof |
| 01/18/1994 | CA2100650A1 Heated ice door for dispenser |
| 01/13/1994 | DE4222544A1 Control system for refrigerating plant e.g. fridge or deep-freezer - has both compressor(s) and defroster connected to respective control circuits by one or more low voltage relays |
| 01/11/1994 | US5277488 Refrigerator with rotatable shelves |
| 01/11/1994 | US5277035 Multi-compartment refrigerator with system for minimizing condensation |
| 01/04/1994 | CA1325768C Riser for a vertically-opening door |
| 12/28/1993 | US5272884 Method for sequentially operating refrigeration system with multiple evaporators |
| 12/22/1993 | CN2150502Y Device for detecting and controlling frost thickness |
| 12/21/1993 | US5271241 Drain water evaporating device for use in a refrigerator |
| 12/21/1993 | US5271236 Integral ambient air and refrigeration energy savings system |
| 12/14/1993 | US5269154 Heated ice door for dispenser |
| 12/14/1993 | CA1325253C Demand defrost control method and apparatus |
| 11/16/1993 | US5261247 Fuzzy logic apparatus control |
| 11/10/1993 | CN2145965Y Defrosting device for refrigerating system |
| 11/02/1993 | US5257506 Defrost control |
| 10/28/1993 | WO1993021486A1 Frost control system |
| 10/26/1993 | US5255536 Defrost assembly |
| 10/26/1993 | US5255535 Refrigerator with spine fin evaporator |
| 10/26/1993 | US5255531 Refrigerator mullion assembly with hot gas defrost tube |
| 10/20/1993 | CN2144279Y Refrigerator water draining nozzle with valve |
| 10/12/1993 | US5251454 Defrost control apparatus and method for a refrigerating system |
| 10/06/1993 | EP0563751A1 Method and device for sensing and controlling frost formation on a refrigerator evaporator |
| 10/06/1993 | EP0563724A1 Method and device for evaluating frost formation on an evaporator in a refrigerator, in particular of the forced-air circulation type |
| 10/05/1993 | US5249433 Frost-free |
| 09/21/1993 | US5246053 Riser for a vertically-opening door |
| 09/15/1993 | EP0559737A1 A method and arrangement for simulating fan shuttering. |
| 09/14/1993 | US5243835 Thermally insulated bottle and method of assembly thereof |
| 09/08/1993 | CN2141882Y Insulating water catch tray for refrigerator |
| 09/07/1993 | US5241840 Refrigerator with spine fin evaporator |
| 09/07/1993 | US5241838 Refrigerator with spine fin evaporator |
| 09/02/1993 | DE4205881A1 Deep frozen foodstuff storing chest for supermarket - has cooling air driven between food container and chest side walls and between outer and inner lids |
| 08/26/1993 | DE4305476A1 Cold counter with constant defrosting temperature for loose and single foodstuff items - has two independent evaporator-fan circuits for circulating air and maintaining air circulation while one evaporator is defrosting |
| 08/24/1993 | US5239203 Common ground control switch for an irrigation system |
| 08/24/1993 | US5237830 Defrost control method and apparatus |
| 08/19/1993 | WO1993016341A1 Method and apparatus for providing refrigerated air |
| 08/11/1993 | EP0554482A1 Cold accumulator |
| 08/10/1993 | US5233841 Method of optimising the performance of refrigerant vaporizers including improved frost control method and apparatus |
| 08/04/1993 | CN1075001A 冷却贮藏柜 Cooling storage cabinet |
| 08/03/1993 | US5231844 Defrost control method for refrigerator |
| 07/28/1993 | EP0552913A2 Condensate removal device for air conditioners |
| 07/28/1993 | EP0552906A2 Defrost starting method and device for refrigerant evaporators |
| 07/28/1993 | EP0552146A1 Method and apparatus for de-icing a fan |
| 07/28/1993 | CN2139253Y Switch control assembly for defrosting timer of refrigerator |
| 07/22/1993 | WO1993014360A1 Process for preventing the drying up of goods in cold storage rooms |
| 07/20/1993 | US5228300 Automatic operation control method of a refrigerator |
| 07/14/1993 | EP0550987A1 Evaporator for a refrigerator |
| 07/14/1993 | EP0550986A1 Refrigerator |
| 07/14/1993 | EP0550984A1 Refrigerator |
| 07/13/1993 | US5226286 Refrigerator |
| 07/06/1993 | US5224359 Solvent condenser for an apparatus for recovering solvents |
| 07/01/1993 | DE4243634A1 Defrosting of inverter-driven air conditioning plant - using outdoor measured temperature to initiate defrost, with compressor frequency controlled to give constant defrost time |
| 06/30/1993 | CN1073760A Control method for removing frost from inverter-type air conditioner |