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Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
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| Number | Title | Issue Date |
| 7357265 | Container made of a transparent material having an insert in a side wall The invention discloses a container made of a transparent material. The container is of the type comprising, in one wall, a reserve into which is fixed a hollow sealed insert (4) containing a fluid in which particles can move. The container is characterized i... | 04/15/2008 |
| 7328583 | Thermally stable containment device and methods Thermal management systems and methods for manufacturing and using same are disclosed. Certain embodiments of the thermal management systems comprise configurations of corrugated, porous, or fibrous panels containing phase change materials within the interior of the... | 02/12/2008 |
| 7322209 | Refrigerator A refrigerator, and more particularly, a refrigerator equipped with a machinery chamber door, which is provided to open or close a machinery chamber formed at an upper portion of a body of the refrigerator. The refrigerator includes a body with a storage chamber, an... | 01/29/2008 |
| 7318673 | Temperature control system for food items The invention relates to a control system of the chilling process of the temperature of food items at values near but above 0° C. that prevents surface freezing of a food item. The surface freezing can be foreseen due to a mathematical relationship that is a functi... | 01/15/2008 |
| 7293422 | Refrigerator with internal compartment divisible into independent temperature zones A refrigerator having a removable shelf with a user interface for setting the working conditions of a refrigerator compartment. The user interface also being able to transmit the working conditions to a control unit of the refrigerator. The refrigerator having a pac... | 11/13/2007 |
| 7290396 | Cryogenic biological preservation unit A cryogenic biological preservation unit having a removable lid and an integrated cryocooler positioned apart from, or within a fixed portion of, the lid and which provides refrigeration to the upper portion of the interior of the unit which also contains a pool of ... | 11/06/2007 |
| 7272943 | Control method for multiple heat pump Disclosed herein is a control method for a multiple heat pump. In the control method, when one of multiple indoor units operates in the heating mode and the other indoor units shut down, electronic expansion valves of the shutdown indoor units are controlled to have... | 09/25/2007 |
| 7263855 | Cargo container for transporting temperature sensitive items A cargo container includes an outer aluminum housing having side, rear, bottom and top walls and a front opening with a pair of hinged doors. The housing receives a molded box-shaped composite outer shell which receives a molded box-shaped composite inner shell defi... | 09/04/2007 |
| 7263847 | Electric refrigerator An electric refrigerator comprising a cooling space in which a temperature sensor is arranged and which is closable by a heat-insulating door. The temperature sensor is connected to a device which regulates the cooling temperature and is adjustable by a temperature-... | 09/04/2007 |
| 7200467 | Method and apparatus for power management control of a cooling system in a consumer accessible appliance Methods and apparatus that manage electric power consumed by an appliance are disclosed. The appliance has an interior accessible by consumers through a door having an open state and a closed state. The appliance includes a cooling system having at least a first mod... | 04/03/2007 |
| 7178349 | System and method for switching communication mode of a detachable pad refrigerator A system and method for switching a communication mode of a detachable pad refrigerator, wherein the attachment/detachment of a client pad to/from the refrigerator is sensed and the communication mode of the refrigerator with the client pad is switched to a wired/wi... | 02/20/2007 |
| 7168316 | Humidity meter with non-contact temperature measurement A humidity meter with non-contact temperature measurement capability, including a humidity meter contained at least partially in a housing and having outputs relating to measured humidity parameters including humidity and ambient temperature, an output display conta... | 01/30/2007 |
| 7163048 | Automatic monitoring system for thermal energy storage plants An automatic monitoring system for thermal energy storage (TES) plants wherein a pilot ice tank (11) uses Archimedes' principle to determine the ice inventory level by measuring the resultant force (28) of the algebraic addition of the weight of the ic... | 01/16/2007 |
| 7146819 | Method of monitoring refrigerant level The invention relates to a method of refrigerant level monitoring in a refrigerant circuit of an air-conditioning or heat-pump system having a compressor and a refrigerant which may, depending on the operating point, be operated in the supercritical range. The metho... | 12/12/2006 |
| 7146290 | Apparatus and method for diagnosing performance of air-conditioning systems The present application reveals a device for verifying a proper heat exchange and overall performance of an air-conditioning system. The device includes means for measuring a temperature differential between ambient and vent temperatures of the air-conditioning syst... | 12/05/2006 |
| 7131289 | Container A container is disclosed which can include a container base having a cavity therein, a thermal source disposable in the cavity of the base, an insert being insertable within the cavity of the base such that the insert is in close proximity to the thermal source, and... | 11/07/2006 |
| 7108194 | Remote controlled thermostat system for the sight-impaired A thermostat remote control system includes a transmitter/receiver unit hard wired to a building climate control thermostat and a remote control unit that communicates with the hard-wired transmitter/receiver unit via wireless signals. The remote control unit includ... | 09/19/2006 |
| 7079967 | Apparatus and method for detecting faults and providing diagnostics in vapor compression cycle equipment An apparatus and method for detecting faults and providing diagnostic information in a refrigeration system comprising a microprocessor, a means for inputting information to the microprocessor, a means for outputting information from the microprocessor, and five sen... | 07/18/2006 |
| 7069734 | Methods for detecting surge in centrifugal compressors A method and apparatus for detecting surge in a refrigeration system that includes a centrifugal compressor having an impeller and a compressor entrance, an evaporator that receives a fluid refrigerant, a suction line that flows the refrigerant from the evaporator t... | 07/04/2006 |
| 7032393 | Climate cooling control systems and methods for hybrid vehicles Methods and apparatus are provided for controlling the climate cooling in the passenger cabin of a hybrid motor vehicle. The apparatus includes an internal combustion engine capable of being started and temporarily stopped, an air conditioning compressor and a dedic... | 04/25/2006 |
| 6976368 | Method and apparatus for controlling refrigeration A thermal sensor (20) located in the centre of a food simulant composition (24) linked to a remote measuring indicating and/or regulating device (28). The temperature of the food simulant changes in the same way as food stored in its vicinity an... | 12/20/2005 |
| 6973793 | Estimating evaporator airflow in vapor compression cycle cooling equipment A method for determining airflow through an evaporator coil in a vapor compression cycle by measuring the moist air conditions entering and leaving the coil, and various temperatures and pressures in the refrigerant of the vapor compression cycle. The mass airflow r... | 12/13/2005 |
| 6951306 | Thermostat having multiple mounting configurations The invention is directed to temperature control system in which a temperature control apparatus for controlling the operation of at least one temperature-modifying device may include a thermostat housing; a controller to control the operation of the temperature mod... | 10/04/2005 |
| 6935133 | Temperature control case for medicines A temperature control medicine carrying case having an insulated housing, a plurality of interior compartments, an interior pouch, a cooling mechanism and a fastening mechanism, e.g., a zipper closure. The interior surface of the insulated housing comprises two sepa... | 08/30/2005 |
| 6892546 | System for remote refrigeration monitoring and diagnostics A system and method for monitoring the food product and refrigeration system performance of a remote location includes a management center in communication with a remote location through a communication network. The management center receives performance information... | 05/17/2005 |
| 6845627 | Control system for an aircraft galley cooler An aircraft galley air cooling system utilizes a controller having software for regulating the temperature within food carts within a galley air cooling unit. The cooling unit includes supply air and return air temperature sensors which measure the temperature of th... | 01/25/2005 |
| 6845628 | Method and apparatus for temperature control in a refrigeration device A temperature control device including a temperature sensor which senses a temperature at a specified location within the refrigeration apparatus. The temperature control device has first flow valve that is operable to selectively increase or decrease the flow of re... | 01/25/2005 |
| 6789392 | Power interrupt system for a refrigerated appliance A refrigerated appliance includes a power interrupt system for detecting an out-of-range temperature condition in a fresh food or freezer compartment after a power interruption. The power interrupt system includes a central processor including a memory storage modul... | 09/14/2004 |
| 6726112 | Illuminating thermostat A thermostat for a HVAC system with visual display of status and operating condition. The thermostat has a power switch to select one of Heater and Cooler for the HVAC system, a light sensor (200) to sense ambient lighting, a temperature sensor (210) t... | 04/27/2004 |
| 6593766 | Method for estimating the duration of the interruptions in the supply from the electric mains in an electric apparatus having an electronic control A method for estimating the duration of the interruptions in the supply from the electric mains in an electric appliance having an electronic control, in particular a household appliance, includes the steps of (a) on the occasion of an interruption of the... | 07/15/2003 |
| 6564561 | Methods and apparatus for refrigerator temperature display A system for displaying a temperature of a refrigerator compartment including at least one temperature sensor is provided that emulates the function and behavior of a thermostat to control and display refrigerator compartment temperature in a simple and i... | 05/20/2003 |
| 6526766 | Refrigerator and method of operating refrigerator A temperature controller is in a position at a height of 130 cm or more from a base surface settling, of which the refrigerator is settled, on a door of the refrigerator, which position is on an upper side of a handle for opening and closing the door. Fur... | 03/04/2003 |
| 6481224 | Vacuum fluorescent iconographic display for a low temperature refrigeration unit A vacuum fluorescent iconographic display (10) operable to communicate the operating conditions of a low temperature refrigeration unit (5), with the display (10) using only intuitively recognizable pictorial iconic elements (12), numeric elements (14), a... | 11/19/2002 |
| 6453687 | Refrigeration monitor unit A unit is attached to a refrigeration appliance, such as a freezer, or refrigerator, to alert the user of a sensed condition within the appliance that food spoilage may occur. The unit can monitor temperature within the compartment and determine how long ... | 09/24/2002 |
| 6453692 | Method for controlling refrigerator A method for controlling a refrigerator constructed with a main body formed with a storage compartment accommodating therein food, a door opening and closing the storage compartment, a temperature sensor provided within the main body, by detecting a tempe... | 09/24/2002 |
| 6442953 | Apparatus and method for diagnosing performance of air-conditioning systems The present application reveals a method and an apparatus for diagnosing performance of an air-conditioning system. The method comprising the steps of determining a temperature differential between inlet and outlet temperatures of a condenser in the air-c... | 09/03/2002 |
| 6415615 | Ice thermal storage control An arrangement of apparatus for the measurement of the quantity amount of ice in an ice thermal storage system having a storage tank with a storage fluid and a cooling coil assembly therein, and the method for measuring such ice quantity, which apparatus ... | 07/09/2002 |
| 6370891 | Heating, ventilation, air conditioner performance test system A heating, ventilation, air conditioner (HEVAC) test system which includes a test unit which determines the temperature of the air exhausted from a HEVAC unit, an ambient temperature unit, and a work cell controller, all of which can be wirelessly interco... | 04/16/2002 |
| 6311509 | Chiller with automatic probe detection and filtered temperature display In a chiller, an apparatus and method for automatically identifying a temperature probe for use in a chilling operation is provided in order to reduce user error. In the place of manual selection by a user, automatic selection of the appropriate temperatu... | 11/06/2001 |
| 6226997 | Method and device for maintaining temperature integrity of cryogenically preserved biological samples A method for preserving the temperature integrity of cryogenically preserved biological samples is presented, involving initiating a countdown sequence upon removal of a sample from a controlled portable or bulk storage environment, requiring operator act... | 05/08/2001 |
