...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?
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| Number | Title | Issue Date |
| 8132616 | Temperature conditioning system with thermo-responsive valves Disclosed is a temperature conditioning system including several thermal transfer blocks, where each is associated with one of several components requiring thermal management. Each of the components is associated with a different time dependent thermal management pr... | 03/13/2012 |
| 7878236 | Conserving energy in an HVAC system In an HVAC system in which ambient air is supplied by the system to a building through an ambient air intake airstream and is exhausted from the building through an exhaust airstream energy is conserved by transferring heat between the intake airstream and the exhau... | 02/01/2011 |
| 7870893 | Multichannel cooling system with magnetohydrodynamic pump A cooling device includes a base having cells. A pipe is coupled to the base for each of the cells. The pipes include passages that carry fluid toward the cell and away from the cell. A magnetohydrodynamic pump system coupled to the pipe circulates an electrically c... | 01/18/2011 |
| 7407003 | Ground source heat exchange system A ground source heat exchange system includes an upstream manifold and a downstream manifold. More than one heat exchange flow circuit can be connected to the upstream and downstream manifolds for burial in the ground. A control valve associated with each heat excha... | 08/05/2008 |
| 7290600 | Air-to-air heat pump defrost bypass loop A system for defrosting an air-to-air heat pump system is disclosed. A bypass loop transfers refrigerant at a higher temperature and pressure than is normally cycled through the outdoor unit to an outdoor coil to defrost ice on the outdoor coil. The bypass loop incl... | 11/06/2007 |
| 7246657 | Air conditioner for vehicle In an air conditioner for a vehicle having first and second air conditioning zones positioned at right and left sides of a front seat in a vehicle compartment and third and fourth air conditioning zones positioned at right and left sides of a rear seat in the vehicl... | 07/24/2007 |
| 7174715 | Hot to cold steam transformer for turbine systems A steam transformer (200) receives steam through a steam inlet (203), and the steam is mixed in a mixing zone (231) with water entering through a water inlet (205). Steam cooled by contact with the water exits the steam transformer throug... | 02/13/2007 |
| 7156167 | Heating, ventilation and air conditioning system and method A vehicle HVAC control system including front and rear HVAC control systems for controlling a front HVAC system and a rear HVAC system, and a method for controlling the front and rear HVAC systems. A front set point temperature is used by the front HVAC control syst... | 01/02/2007 |
| 7121334 | Refrigerator and control method thereof A refrigerator has at least one chamber, a temperature adjuster adjusting a temperature inside the chamber, a first temperature sensor approximately sensing the temperature inside the chamber, a second temperature sensor spaced from the first temperature sensor so a... | 10/17/2006 |
| 7044213 | Constant temperature refrigeration system for extensive temperature range application and control method thereof A constant temperature refrigeration system for extensive temperature range application comprising a refrigerator, a low-temperature heat exchanger, a medium-temperature heat exchanger, a high-temperature heat exchanger, a pump, a first solenoid valve, a second sole... | 05/16/2006 |
| 7011744 | Brine supply unit A brine supply unit for supplying brine to at least one load after controlling the brine so as to meet a target temperature of the load comprises: a heat exchanger disposed at a brine-cooling channel, through which the brine returned from the load flows, for cooling... | 03/14/2006 |
| 6949021 | Vehicle air conditioner and vehicle ventilation system In a vehicle air conditioner, a non-contact temperature sensor is used as an inside air temperature sensor for detecting a temperature in a passenger compartment. Based on infrared rays radiated from a predetermined area of the passenger compartment, the non-contact... | 09/27/2005 |
| 6892807 | Seat with temperature control and ventilation and safety system for a vehicle Methods and apparatus for controlling the temperature of a seat such as a vehicle seat are disclosed. The apparatus includes an electrical heater disposed in the seat, a cooling unit such as a cooling element and a fan, a detector for detecting the temperature assoc... | 05/17/2005 |
| 6892808 | Regulation of the temperature, the speed and the distribution of the air blown into a motor-vehicle passenger compartment A device to control an installation for heating, ventilating and/or ai-conditioning a vehicle passenger compartment responds to a set-point set by a passenger and chosen air-heating parameter values. A control module drives actuators to modify the operation of the i... | 05/17/2005 |
| 6835307 | Thermal water treatment A thermal treatment system for supplying thermally conditioned or purified water for human or animal consumption, industrial processes, environmental containment, or removal of foreign species. The water purifier includes a heat exchanger for exchanging heat between... | 12/28/2004 |
| 6802367 | Rethermalization system and method for use with food trays having a hot food side and a cold food side A rethermalization system for food trays having a hot food side and a cold food side, the system includes a first thermal system having a heating source, a refrigeration coil and a blower; a second thermal system having first and second refrigeration coils and a blo... | 10/12/2004 |
| 6796375 | Cooling circuit A coolant circuit (10) includes at least one heat source (12), a radiator (14), and a bypass line (22), which connects a radiator inlet (18) to a radiator return (20) and whose junction (24) has a control valve (26... | 09/28/2004 |
| 6758265 | Temperature control strategy for a rear control system A heating/cooling control system that can effectively control the temperature of the air discharged at the rear interior of the motor vehicle. The heating/cooling control system includes a front control and a rear control. The front control is capable of operating w... | 07/06/2004 |
| 6755243 | Refrigerator and control method thereof Disclosed is a refrigerator comprising at least one chamber and a temperature adjuster adjusting a temperature inside the chamber, further comprising a first temperature sensor approximately sensing the temperature inside the chamber, a second temperature sensor spa... | 06/29/2004 |
| 6742583 | Cooling system for a cabinet A bipartite cooling system comprises a first set of cooling equipment that provides for closed cooling air circulation inside a cabinet and a second set of cooling equipment that provides for open cooling air circulation inside the cabinet. For most of the year, coo... | 06/01/2004 |
| 6739389 | Waste heat recovering apparatus for an engine The absence or shortage of a heat transfer medium can be detected without any time lag. While the medium is circulated through a water jacket and an exhaust gas heat exchanger which receives heat from the exhaust gas, heat generated by the engine can be recovered. A... | 05/25/2004 |
| 6668917 | Energy saving defog/device operation strategy and control scheme for vehicles An energy-saving method for operating a climate control system includes reporting an ambient outside temperature from a first temperature sensor to a controller unit and reporting a climate control air temperature from a second temperature sensor to the c... | 12/30/2003 |
| 6467539 | Universal equipment for the cooling fluid regeneration in heat exchange circuits Cooling equipment, which may be connected to the water discharge from a working or operating machine with a water (20/20') cooling circuit (2) to make the water re-circulate once cooled (24), characterized in that the cooling equipment comprises: at least... | 10/22/2002 |
| 6237675 | Automatic temperature controlled seats A method for automatically controlling the temperature of a vehicle seat (14) based on a variety of factors, including vehicle interior temperature, outside temperature, sunload, and user set point. Each of these readings is sent to a controller (30) wher... | 05/29/2001 |
| 6213199 | Temperature selectable water supply device A temperature selectable water supply device for one of heating and cooling water provided by a water supply system to an outlet in a structure. The device includes a main water tank including an inlet conduit for receiving water from a water supply tank ... | 04/10/2001 |
| 6052999 | Method for controlling opening/closing of cool air discharge ports of a refrigerator A method for controlling opening/closing of cool air discharge ports of a refrigerator is disclosed. The refrigerator has a device for opening/closing the ports. The device has a member for opening/closing the ports, and a motor for driving the member. A ... | 04/25/2000 |
| 6009939 | Distributed air conditioning system In a distributed air conditioning system capable of controlling cooling or heating by means of a substitute temperature detector when the room temperature detector of a room to be air conditioned is abnormal, room temperatures detected by the temperature ... | 01/04/2000 |
| 5975192 | Attic air conditioning system An air conditioning system comprising a chamber with a heated air space at a first temperature; a heat sink located in proximity to the chamber, the heat sink being provided with cooled media at a second temperature lower than the first temperature; a pla... | 11/02/1999 |
| 5918668 | System for increasing the temperature of air initially delivered by a heat pump A system (10) for increasing the temperature of air initially delivered by an existing heat pump system (100) is provided which may be easily added to the existing heat pump system. System (10) includes a heat pump comfort controller (12) having a plurali... | 07/06/1999 |
| 5713515 | Method and system in a fluid heating apparatus for efficiently controlling combustion In a fluid heating apparatus having a fluid tank, a combustion chamber communicating with the fluid tank for heat exchange, and a combustible fluid delivery system coupled to the combustion chamber, a plurality of valves are individually configured in eit... | 02/03/1998 |
| 5586449 | Hydronic interface system, method and apparatus A method and apparatus for coupling a primary loop with a secondary loop for circulating processing fluids therebetween comprising in combination: a first connection for the feed line of the primary loop and a second connection for the return line of the ... | 12/24/1996 |
| 5494097 | Method and device for regulating or controlling the temperature of an interior space, especially that of a motor vehicle A method and device is provided for regulating or controlling the temperature of an interior, especially for a motor vehicle. An interior temperature regulation mode is provided if an interior temperature sensor and a blowing-out temperature sensor have b... | 02/27/1996 |
| 5226591 | Active low temperature limit for battery powered thermostat A low temperature limit for battery powered thermostats for energizing and de-energizing the heating system when the battery can no longer operate the thermostat. The thermostat comprises a battery powered thermostat control for energizing and de-energizi... | 07/13/1993 |
| 5103897 | Flowrate controller for hybrid capillary/mechanical two-phase thermal loops A hybrid capillary/mechanical two-phase thermal loop has a sensor connected in parallel with a number of evaporators to regulate the flowrate of a booster pump providing working fluid to the evaporator capillaries. This sensor is made of a coiled, conduct... | 04/14/1992 |
| 5070931 | Temperature control unit for a motor vehicle A temperature control unit has an air distribution setting device, an air volume setting device and a regulating control unit which determined optimum settings for the air distribution setting device and for the air volume setting device. The unit also in... | 12/10/1991 |
| 5014519 | Automotive air tempering apparatus An air tempering apparatus for use in an automotive vehicle having a duct through which air is directed into a passenger compartment. The apparatus comprises an air chilling unit having a variable refrigerating capacity of chilling the air in the duct, an... | 05/14/1991 |
| 4958679 | Condenser for the water-steam loop of a power plant, in particular a nuclear power plant A condenser for the water-steam loop of a power plant includes a condensate-filled lower portion. A heating pipe system is disposed in the lower portion and nozzles are disposed on the heating pipe system through which heating condensate or heating steam ... | 09/25/1990 |
| 4884626 | Combination refrigerator oven A self-contained refrigerator-oven for refrigerating and cooking food in the same enclosed chamber, has both heating elements and cooling elements located in the same appliance. The heating elements may be conventional heating elements and/or a convection... | 12/05/1989 |
| 4877183 | Air flow control device for an air conditioner An air flow control device for an air conditioner increases the revolution of a fan motor to the revolution wherein the short cycle does not occur, or change the direction of an air directing plate to a preset angle wherein the short cycle does not occur ... | 10/31/1989 |
| 4770004 | Cryogenic thermal switch Cryogenic thermal switch (10) comprises base (30) which is clamped onto the flange of cold cylinder (24). Heat transfer ring (14) is positioned spaced between thermal clamp surfaces (36, 48) by means of support isolators (90,92,94). Springs (64) urge the ... | 09/13/1988 |