Bizarre Patents
A method to tenderize meat with an explosive shockwave.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7361208 | Chromatography oven with heat exchange and method of use Methods and systems for cooling gas chromatography ovens that comprise a housing having a fluid entry and a sleeve positioned within the housing to provide a fluid gap between the inner surface of the housing and the outer surface of the sleeve, where the sleeve is ... | 04/22/2008 |
| 7170191 | Electricity generating and air conditioning system with water heater A cogeneration system includes an engine, a generator connected to an output shaft of the engine to generate electricity, a heat pump type air conditioner, which uses the electricity generated from the generator, and includes a compressor, a directional valve, an ou... | 01/30/2007 |
| 7152421 | Heating and cooling system A heating and cooling system incorporates a heat pump that operates conventionally with air drawn from outside the system through its condenser coils that remove heat to the exterior for cooling. In the heating cycle, the condenser motor blower stops and reverses ro... | 12/26/2006 |
| 7145258 | Electricity generating and air conditioning system An electricity generating and air conditioning system including an engine, a generator connected to an output shaft of the engine to generate electricity, an air conditioner, which uses the electricity generated from the generator and includes a compressor, an indoo... | 12/05/2006 |
| 7119306 | Food thawing cabinet and related methods In one aspect, a food thawing cabinet includes at least one thawing chamber and one or more wall blowers and a heater for producing a controlled high volume of air flow over food product, with the heater controlled in a cyclic manner. In another aspect, various adva... | 10/10/2006 |
| 7086452 | Method and an apparatus for cooling a computer A heat exchanging system that includes a tube coupled to an electronic component in a first part of a computing device and to a heat transfer plate in a second part of the computing device, where the system includes a pump coupled to the tube, and a temperature sens... | 08/08/2006 |
| 6945324 | Controlling method for the discharge of coolant medium in the heat exchange wind box The invention relates to a controlling method of the discharge of coolant medium, and more particularly to a controlling method of the discharge of coolant medium in the heat exchange wind box. By mainly controlling the discharge of coolant medium in the heat exchan... | 09/20/2005 |
| 6828528 | Electric circuit to control an air-conditioned seat A control circuit for a vehicle seat having at least one heating element and at least one fan is provided. The control circuit includes a two-pole switch having two synchronously actuated switch elements. The switch elements are operatively connected to the heating ... | 12/07/2004 |
| 6598671 | Hybrid heating system and method for vehicles An apparatus for heating the interior compartment of a vehicle, the apparatus has a primary heating system, a secondary heating system and an operating system. The primary heating system receives and circulates an engine coolant through a heater core. The... | 07/29/2003 |
| 6540148 | Method and apparatus for sequencing multistage systems of known relative capacities Disclosed is a method and apparatus for controlling multistage systems where the relative capacities (process gains) of each stage are known. The method uses a split-range control concept in order to control multiple stages with a single feedback controll... | 04/01/2003 |
| 6244515 | Universal two stage gas furnace ignition control apparatus and method A gas furnace control for two stage gas furnaces which can be used with either a single stage or a two stage room thermostat monitors the length of time the first, low combustion, stage is energized and upon exceeding a selected period of time, e.g., 10 m... | 06/12/2001 |
| 6101824 | Flexible thermostat controller that permits various control point profiles when controlling multistage HVAC equipment A thermostat for use with multistage Heating, Ventilating and Air Conditioning (HVAC) plants where a proportional/integral control loop is present for each stage of the multistage HVAC plant. Filter constants, Ki and Kp as well as stage control points and... | 08/15/2000 |
| 6012515 | System and method for automatically controlling cabin air temperature in an aircraft A system and method for automatically controlling cabin air temperature TCBN in an aircraft having a cabin and a mixed air delivery system. The mixed air delivery system provides a flow of mixed air having an actual mixed air temperature into t... | 01/11/2000 |
| 5878811 | Apparatus and method for the controlled cooling of chemical tanks An apparatus for the controlled cooling of chemical tanks containing a chemical which must be kept at a first prescribed temperature includes at least one heat-exchanger coil immersed inside a chemical tank and through which there is made to circulate a f... | 03/09/1999 |
| 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 |
| 5123252 | Method of operating a transport refrigeration unit A method of operating a transport refrigeration unit with microprocessor based control. The microprocessor automatically selects an operative control algorithm, according to system configuration, with each algorithm having one or more operating conditions... | 06/23/1992 |
| 4984628 | Apparatus for maintaining liquid temperature at a constant level An apparatus for maintaining liquid temperature at a constant level comprises a reaction vessel for containing liquid, a cooling device connected with the reaction vessel for cooling the liquid, a heating device connected with the cooling device for heati... | 01/15/1991 |
| 4977752 | Transport refrigeration including methods and apparatus for optmizing same A transport refrigeration system having a refrigerant compressor which is selectively operable with either an electric motor or an internal combustion engine. The transport refrigeration system conditions a load space to a selected set point via heating a... | 12/18/1990 |
| 4947928 | VAV system coordinator A microcomputer-based system coordinator for variable air volume (VAV) system through which conditioned air is supplied to a plurality of zones. The VAV system coordinator (VSC) is used to coordinate a central system VAV cooling and heating operation base... | 08/14/1990 |
| 4917174 | Supply airflow control for dual-duct system Two variable position supply air valves, one for modulating warm airflow to a comfort zone and the other for modulating cool airflow, each have a constant intermediate open position to provide at least a desired minimum airflow, and both can be controlled... | 04/17/1990 |
| 4886110 | HVAC zone control system An HVAC system for a plurality of zones comprising an air handling unit including a blower, a plurality of heating stages and a plurality of cooling stages. The air handling unit is connected via ducts to each of the zones, each zone having an air outlet ... | 12/12/1989 |
| 4694890 | Analog computer variable duty modulator A control system for heating and cooling devices is disclosed which increase the total running time for the heating and cooling devices as the ambient temperature sensed deviates from the set-point temperature. Five states of ON-time modulation of 2, 5, 1... | 09/22/1987 |
| 4673028 | Automatic thermostatic control system for heater and evaporative cooler An automatic thermostatic control system for a heater and an evaporative cooler which turns the cooler on only when needed, which automatically switches the blower of the cooler between low and high speeds as required so as to maintain essentially constan... | 06/16/1987 |
| 4638850 | Electronic thermostat An electronic thermostat for controlling multiple temperature altering apparatus of an animal enclosure or the like. A voltage divider to produce a plurality of temperature sensor signals which are used to produce primary or override actuation signals. Th... | 01/27/1987 |
| 4357988 | Air-conditioning/heating system A dual capacity air-conditioning/heating system including an evaporator, a blower, a compressor and compressor motor, the compressor motor having a two-speed mode of operation. The compressor motor speeds are changed by changing the shunt field current of... | 11/09/1982 |
| 4337818 | Vehicle temperature control system A heating and air conditioning control system havng a compressor clutch cycle control feature for controlling the in-car temperature of a vehicle passenger compartment is disclosed. The system comprises an automatic temperature control (ATC) sensor (32) w... | 07/06/1982 |
| 4333316 | Automatic control apparatus for a heat pump system A microprocessor based heat pump control apparatus having a user-operated system console and a system function controller is provided in which normal operating target temperature settings are automatically converted to an expanded operating temperature ra... | 06/08/1982 |
| 4325224 | Method and apparatus for transport refrigeration system control A transport refrigeration system having the capability of either heating or cooling at high or low speed and with the compressor loaded or unloaded is controlled by a temperature control system including a heat relay 1K and a speed relay 2K, and has an au... | 04/20/1982 |
| 4320872 | Anti-ice control system An anti-ice control system for controlling flow of heated air in response to the temperature of the heated air and ambient air.... | 03/23/1982 |
| 4307775 | Current monitoring control for electrically powered devices Apparatus and method for controlling one or more electrically powered devices. A control for a temperature conditioning system is shown which is operative to monitor the electrical current supplied to component devices, i.e., compressors, auxiliary heatin... | 12/29/1981 |
| 4294403 | System and method for controlling the conditioning and delivery of air to a conditioned space Air flows to the conditioned space through a cool air duct and a warm air duct which feed a common delivery duct. The inlet of the cool air duct is connected to a cool air supply duct of a parent system; and inlet of the warm air duct communicates with th... | 10/13/1981 |
| 4199102 | Temperature control system A temperature control system for monitoring and controlling a zone supplied with low-pressure steam is disclosed. The system utilizes a series of balanced Wheatstone bridges to provide a variety of automatic and manual control techniques to maintain tempe... | 04/22/1980 |
| 4013119 | Air conditioner control system A control system for controlling the operation of an air conditioning system having a heating mode capability, a cooling mode capability, and a common air distribution fan motor including a thermostatically operated heat switch; a thermostatically operate... | 03/22/1977 |
| 3973618 | Electronic capacity control or direct expansion refrigeration of air conditioning systems The invention relates to the air conditioning of a storage compartment and is especially significant for a transport system. Air is circulated between an air tempering zone and the storage compartment, said air tempering zone having air cooling means and ... | 08/10/1976 |
| 3952796 | Temperature control system An automatic temperature responsive control valve is disclosed for use in combination heating and cooling systems including two concentric valve sleeves each rotating individually in the valve body under the control of respective bimetallic transducers on... | 04/27/1976 |
| 3934795 | Dual duct variable volume air conditioning system A dual duct variable volume air conditioning system has a first, cold duct for supplying cold air and a second, reset duct for supplying either hot air in a first mode of operation or cold air in a second mode of operation. A self-contained system regulat... | 01/27/1976 |
