| Patents for F25D 21 - Defrosting; Preventing frosting; Removing condensed or defrost water (6,980) |
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| 11/18/1986 | CA1214239A1 Adaptive defrost control system for a refrigerator |
| 10/07/1986 | US4615179 Defrost diagnostic arrangement for self-defrosting refrigerator appliance |
| 09/02/1986 | US4608835 Cabinet for cooling goods, etc. |
| 09/02/1986 | US4608832 Means and techniques useful in detecting frost |
| 08/27/1986 | EP0082144B1 Refrigerator defrost control |
| 08/26/1986 | US4607501 Condensing and collecting vapors emanating from a land surface |
| 08/13/1986 | EP0190794A2 Built-in refrigerator |
| 08/05/1986 | US4603558 Receptacle for mounting in a freezer for assisting in the defrosting thereof |
| 07/23/1986 | CN86100482A Refrigerating apparatus with an improved defrosting water collector device |
| 07/22/1986 | US4601176 Water frozen and water depletion state sensor for an ice product making apparatus |
| 07/08/1986 | CA1207406A1 Control unit for refrigerator or freezer |
| 06/24/1986 | CA1206557A1 Air conditioning heat pump system having an initial frost monitoring control means |
| 06/10/1986 | US4593533 Method and apparatus for detecting and controlling the formation of ice or frost |
| 06/10/1986 | CN85108907A Refrigerated storage cabinet |
| 06/03/1986 | US4592210 Air conditioner |
| 05/27/1986 | US4590771 Control system for defrosting the outdoor coil of a heat pump |
| 05/06/1986 | US4586348 Refrigerator cabinet |
| 05/06/1986 | US4586346 Gravity cooling coil device |
| 04/22/1986 | US4583378 Refrigerator |
| 04/15/1986 | US4581901 Control system for a heat pump system |
| 04/08/1986 | US4580624 Louver fin evaporator |
| 04/08/1986 | US4580623 Heat exchanger |
| 04/08/1986 | CA1202957A1 Gravity cooling coil device |
| 04/01/1986 | USRE32100 Efficiency air cycle environmental control system |
| 04/01/1986 | US4578959 Method and apparatus for detecting and controlling the formation of ice or frost |
| 04/01/1986 | US4578902 Reversible refrigerator door with improved electrical outlet mounting arrangement |
| 03/25/1986 | US4577467 Frost diffusion system for refrigeration apparatus |
| 03/19/1986 | EP0174365A1 Appliance control system |
| 03/04/1986 | US4573326 Adaptive defrost control for heat pump system |
| 02/18/1986 | US4570447 Removing frost deposits from cooling-coil batteries in a freezing plant during operation |
| 02/11/1986 | US4569205 Electric refrigerator having improved freezing and defrosting characteristics |
| 01/15/1986 | EP0167579A1 Measuring probe for determining the formation of ice or snow. |
| 01/14/1986 | US4563877 Control system and method for defrosting the outdoor coil of a heat pump |
| 12/31/1985 | US4561263 Refrigeration or heat pump system defrost |
| 12/18/1985 | EP0164948A2 Control system and method for defrosting the outdoor coil of a heat pump |
| 11/26/1985 | US4554794 Condensate receptacle support for dehumidifier |
| 11/12/1985 | US4551982 Ice-thickness sensing device in refrigeration system |
| 10/29/1985 | US4549403 Method and control system for protecting an evaporator in a refrigeration system against freezeups |
| 10/22/1985 | US4548049 Antisweat heater structure |
| 10/16/1985 | EP0158581A2 Method and control system for protecting an evaporator in a refrigeration system against freezeups |
| 10/08/1985 | US4545505 Electronic control circuits for electrically conductive liquids/solids |
| 10/02/1985 | EP0156229A2 Device for draining water from a refrigerating apparatus on defrosting thereof |
| 10/01/1985 | US4543799 Household refrigerator with air circulating and cooling arrangement |
| 10/01/1985 | CA1194327A1 Method and arrangement for maintaining a frost-free freezer chamber |
| 09/12/1985 | WO1985003995A1 Appliance control system |
| 09/11/1985 | EP0154119A1 Defrost control device for a refrigeration system |
| 09/03/1985 | US4538420 Defrost control system for a refrigeration heat pump apparatus |
| 08/20/1985 | US4535600 Temperature control for a cycle defrost refrigerator incorporating a roll-bonded evaporator |
| 08/20/1985 | US4535599 Control device for refrigerating equipment |
| 08/06/1985 | US4532806 Sensor for monitoring the deposition of frozen fog and/or ice on surfaces |
| 07/30/1985 | US4531376 Refrigerator defrost control |
| 07/23/1985 | US4530218 Refrigeration apparatus defrost control |
| 07/23/1985 | US4530217 Defrosting device for a refrigerator |
| 07/18/1985 | WO1985003135A1 Process and measuring probe for determining the formation of ice or snow |
| 07/16/1985 | US4528821 Adaptive demand defrost control for a refrigerator |
| 07/16/1985 | US4528820 Method and apparatus for removing frost deposits from cooling-coil batteries |
| 07/10/1985 | EP0147825A2 Defrost control system for a refrigeration heat pump |
| 06/18/1985 | US4523439 Refrigerated display unit |
| 06/11/1985 | USRE31909 Refrigerated display case having ambient air defrost |
| 06/11/1985 | US4522036 Cooling device |
| 05/29/1985 | EP0142663A2 Defrost control method and device for heat pumps |
| 05/28/1985 | US4519443 Window pane defroster device with vehicle air conditioning apparatus |
| 05/21/1985 | CA1187301A1 Heat augmented heat exchanger system |
| 05/08/1985 | EP0140453A2 Cabinet for cooling goods, for example, flowers |
| 05/07/1985 | US4514988 Refrigerated display case having ambient air defrost |
| 04/30/1985 | US4513586 Combination compressor support and drain pan |
| 04/30/1985 | US4513579 Method and arrangement for maintaining a frost-free freezer |
| 04/16/1985 | US4510765 Control unit for refrigerators or freezers |
| 04/09/1985 | US4509339 Automatic dispensing machine having a cooling unit |
| 04/09/1985 | US4509338 Condensation elimination tank |
| 04/03/1985 | EP0135958A2 Optical ice-deposition sensor |
| 02/19/1985 | US4499738 Control device for a refrigerator |
| 02/05/1985 | US4497183 Compressor auxiliary condenser arrangement adapted to be mounted in a refrigerator machinery compartment |
| 02/05/1985 | US4497181 Means to measure, indicate and regulate thickness of ice layer in refrigeration system |
| 02/05/1985 | US4497179 Ice bank control system for beverage dispenser |
| 01/16/1985 | EP0089991B1 Method and arrangement for maintaining a frost-free freezer |
| 01/08/1985 | US4492851 Swap action arrangement mounting an electric defroster heater to a finned refrigeration unit |
| 01/01/1985 | US4490992 Household refrigerator compressor vibration isolator and condensate collecting tray |
| 01/01/1985 | US4490991 High-side refrigeration system assembly adapted to be mounted in a refrigerator machinery compartment |
| 01/01/1985 | US4490990 High-side refrigeration system assembly adapted to be mounted in a refrigerator machinery compartment |
| 12/27/1984 | CA1180081A Apparatus and method of detecting failure in a refrigerator defrost system |
| 12/04/1984 | US4485639 Cooling device for a refrigerator compressor |
| 12/04/1984 | US4485633 Temperature-based control for energy management system |
| 11/20/1984 | US4483153 Wide island air defrost refrigerated display case having a defrost-only center passage |
| 11/13/1984 | US4481785 Adaptive defrost control system for a refrigerator |
| 11/07/1984 | EP0124249A2 A receptacle for mounting in a freezer for assisting in the defrosting thereof |
| 11/07/1984 | EP0124110A2 Defrosting device for several refrigeration plants |
| 10/23/1984 | US4478047 Energy efficient glass door merchandiser |
| 10/23/1984 | CA1176729A1 Defrost control system and display panel |
| 10/03/1984 | EP0120490A2 Defrost control system |
| 10/02/1984 | US4474029 In a refrigeration system |
| 10/02/1984 | US4474024 Defrost control apparatus and method |
| 10/02/1984 | US4474017 Method of assembling an anti-sweat heater in a refrigerator cabinet |
| 09/19/1984 | EP0118436A1 Improved optical defrost apparatus |
| 09/18/1984 | US4471633 Condensing unit |
| 09/11/1984 | CA1174330A1 Defroster for a refrigerator |
| 09/05/1984 | EP0117425A1 Signal transmitter for controlling the defrosting process on the air side of the evaporator of a heat pump or the like |
| 08/16/1984 | WO1984003138A1 Defrosting apparatus for gas cooling device |
| 08/15/1984 | EP0115799A1 Method and device for the control of the initiation and termination of the defrosting of a heat pump evaporator |
| 08/07/1984 | CA1172054A1 Method for producing heat by means of a heat pump using a mixture of fluids as working agents and air as heat source |