| Patents for F25D 21 - Defrosting; Preventing frosting; Removing condensed or defrost water (6,980) |
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| 12/01/1988 | WO1988009467A1 Transport and storage system for heat-sensitive products |
| 11/30/1988 | EP0293361A1 Transport and storage device for thermosensible products |
| 11/22/1988 | CA1245063A1 Household refrigerator with air circulating and cooling arrangement |
| 11/22/1988 | CA1245062A1 Temperature control for a cycle defrost refrigerator incorporating a roll-bonded evaporator |
| 11/17/1988 | EP0291381A1 Refrigerated showcase with a system for collecting and removing liquids and defrost drips |
| 11/15/1988 | US4783971 Refrigerator drain pan apparatus |
| 11/10/1988 | DE3714727A1 Air conditioning equipment |
| 11/08/1988 | US4782666 Refrigerated case with ventilated glazed frame |
| 11/08/1988 | US4782665 Refrigerated |
| 11/02/1988 | EP0288465A1 Refrigerated case with ventilated glazed frame. |
| 11/01/1988 | US4782331 Photoelectric icing detector |
| 10/12/1988 | EP0285690A1 Process and apparatus for the temperature dependent defrosting of cooling plants according to demand |
| 10/12/1988 | CN87210919U Multi-functional automatically-frost-removing protector for refrigerator |
| 10/11/1988 | US4776379 Riser for a vertically-opening door |
| 10/11/1988 | US4776182 Circulating air refrigerator and power module for same |
| 10/11/1988 | US4776178 Thermostat mounting system for automatic defrost refrigerator |
| 10/11/1988 | CA1243068A1 Reversible refrigerator door with improved electrical outlet mounting arrangement |
| 09/07/1988 | EP0280942A2 Collector for the condensate originating from the evaporator of a vehicle air conditioning apparatus |
| 09/06/1988 | CA1241547A1 Compressor auxiliary condenser arrangement adapted to be mounted in a refrigerator machinery compartment |
| 08/30/1988 | US4766737 Refrigerated storage and display device with multiple pan dissipator array |
| 08/30/1988 | US4766736 Evaporator coil heat exchanger assembly |
| 08/17/1988 | EP0278701A2 Improvements in or relating to defrosting of heat exchangers |
| 08/16/1988 | US4764193 Thermoelectric frost collector for freezers |
| 08/11/1988 | WO1988005892A1 Article display apparatus |
| 08/10/1988 | CN87209962U Automatic digital controller for freezing apparatus |
| 07/20/1988 | CN87100140A Anti-icejamming device for mini-refrigerator |
| 07/12/1988 | US4756358 Method of suspending a drain pan defroster |
| 07/05/1988 | US4755062 Process and measuring probe for the determination of ice or snow formation |
| 06/29/1988 | EP0272761A2 Upright freezer with selective frost accumulation |
| 06/21/1988 | US4751825 Defrost control for variable speed heat pumps |
| 06/15/1988 | EP0271428A2 Defrost control for variable speed heat pumps |
| 06/14/1988 | US4750335 Anti-condensation means for glass front display cases |
| 06/14/1988 | US4750332 Refrigeration control system with self-adjusting defrost interval |
| 06/07/1988 | US4748828 Self-draining base pan for an air conditioner |
| 05/17/1988 | US4745629 Duty cycle timer |
| 05/10/1988 | CA1236313A1 Defrost control system for a refrigeration heat pump apparatus |
| 05/03/1988 | US4741172 Refrigerated display cabinet |
| 04/12/1988 | US4736594 Method and apparatus for controlling refrigeration systems |
| 04/05/1988 | US4735062 Refrigerator with anti-sweat hot liquid loop |
| 03/23/1988 | EP0260662A2 Apparatus for preventing condensation |
| 03/02/1988 | EP0257387A1 A container with a magnetic edge capable of adhering to the panels of an electrical household appliance in order to catch the water that runs out during maintenance |
| 03/01/1988 | CA1233499A1 Refrigerator compartment partition and method of assembly |
| 03/01/1988 | CA1233332A1 High side refrigeration system assembly adapted to be mounted in a refrigerator machinery compartment |
| 03/01/1988 | CA1233331A1 Household refrigerator compressor vibration isolator and condensate collecting tray |
| 02/18/1988 | DE3626613A1 Device for heating up (preheating) and/or evaporating a liquid |
| 02/16/1988 | US4724678 Self-calibrating control methods and systems for refrigeration systems |
| 02/09/1988 | US4723414 Low-temperature showcase |
| 02/02/1988 | US4722192 Method of and apparatus for checking the icing of evaporators in refrigeration systems |
| 01/19/1988 | CA1231770A1 Adaptive defrost control and method |
| 01/07/1988 | EP0250909A2 Control apparatus for a refrigerating appliance of the automatic defroster type |
| 12/31/1987 | CN87207535U Frost thickness capacitance sensor used in a refrigerating system |
| 12/29/1987 | US4716275 Evaporator coil heat exchanger assembly |
| 12/17/1987 | WO1987007716A1 Integrated semiconductor resistance temperature sensor and resistive heater |
| 12/16/1987 | EP0249296A2 Device for determination of formation of ice |
| 12/01/1987 | US4709554 Air conditioning apparatus |
| 11/17/1987 | US4706467 Control circuit for a refrigerating device |
| 11/11/1987 | CN86107773A Control apparatus of removing ice and frost for air conditioner |
| 10/14/1987 | CN87202133U Defroster for air heat-source heat pump |
| 10/13/1987 | CA1228139A1 Appliance control system |
| 10/06/1987 | CA1227850A1 Control system and method for defrosting the outdoor coil of a heat pump |
| 09/23/1987 | EP0238015A2 Refrigerator-freezer combination with automatic defrosting function |
| 09/22/1987 | US4694657 Adaptive defrost control and method |
| 09/09/1987 | EP0236286A2 Chest freezer |
| 09/01/1987 | US4689965 Adaptive defrost control for a refrigerator |
| 08/26/1987 | CN86208147U Heated pipe type power-saving defrosting device |
| 08/25/1987 | US4688393 Power switch and baffle assembly for a refrigerator |
| 08/25/1987 | CA1225838A1 Cabinet for cooling goods, for example, flowers |
| 08/19/1987 | CN86101272A Refrigerated counter, particularly for frozen and quick-frozen products, with external lighting lamp |
| 08/05/1987 | CN87100431A 冰箱 Refrigerator |
| 07/21/1987 | US4680940 Adaptive defrost control and method |
| 07/16/1987 | EP0174365A4 Appliance control system. |
| 07/08/1987 | CN86108177A Cold case with ventilated window |
| 06/30/1987 | US4676074 Refrigeration system for a counter-top or wall-mounted vending machine |
| 06/19/1987 | DE3543909A1 Method of defrosting the frost deposit on evaporators |
| 06/18/1987 | WO1987003671A1 Refrigerated case with ventilated glazed frame |
| 06/09/1987 | US4671072 Sensor for detecting frost deposits |
| 05/27/1987 | DE3541105A1 Compression refrigeration device |
| 05/19/1987 | US4665710 Bypass and monitoring circuit for refrigeration system |
| 05/14/1987 | DE3539817A1 Method for metrologically determining, displaying and/or evaluating the icing occurring on the cooling plates of an air cooler |
| 05/12/1987 | US4663943 Article display apparatus |
| 05/12/1987 | US4663941 Refrigerator temperature and defrost control |
| 05/05/1987 | US4662184 Single-sensor head pump defrost control system |
| 04/29/1987 | EP0220096A1 Jamb for an industrial door |
| 04/21/1987 | US4658602 Refrigeration evaporators with pitched top panel |
| 04/01/1987 | CN86204195U Smooth back refrigerator with doors more than one |
| 03/31/1987 | US4653285 Self-calibrating control methods and systems for refrigeration systems |
| 03/17/1987 | US4649713 Microwave ice detector |
| 03/11/1987 | EP0213540A2 Air conditioning apparatus |
| 03/04/1987 | EP0212544A2 Refrigeration system for a counter-top or wall-mounted vending machine |
| 03/03/1987 | US4646536 Refrigeration with automatic defrost and rapid cooling |
| 03/03/1987 | US4646529 Transport refrigeration unit defrost control system |
| 03/03/1987 | CA1218537A1 Wide island air defrost case utilizing air transfer circulating means |
| 01/27/1987 | US4638640 Ice thickness controller for an ice making machine |
| 01/08/1987 | DE3522865A1 Refrigerated sales cabinet |
| 12/30/1986 | CA1216045A1 Monitoring and control for evaporator |
| 12/23/1986 | CA1215552A1 Temperature-based control for energy management system |
| 12/09/1986 | US4627245 De-icing thermostat for air conditioners |
| 12/03/1986 | EP0203669A1 Improvements in refrigerators, in particular domestic refrigerators |
| 12/02/1986 | CA1214654A1 Refrigerated vending counter |
| 11/26/1986 | CN86103298A Refrigerated counter of the tray type with a clear front wall |