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| Number | Title | Issue Date |
| 7986870 | Method and device for providing a gaseous substance mixture A device and a method for providing a gaseous substance mixture including at least one of a reducing agent and/or a reducing agent precursor, include a reservoir for an aqueous solution including at least one reducing agent precursor, from which the aqueous solution... | 07/26/2011 |
| 7925143 | Recycle heat exchanger for watercraft An apparatus to heat potable water aboard a recreational marine watercraft includes a metal enclosure that sits atop one burner of a conventional galley stove powered separately from the engine and the source of AC power. Potable water is circulated through a tubing... | 04/12/2011 |
| 7356942 | Gas hot air gun A gas hot air gun includes a main body, an ignition device, a switch set and a safety switch. The main body includes a blower, a nozzle, a barrel and a handle. A heating chamber and a mixing chamber are on the inner front of the barrel. A gas can is inside the handl... | 04/15/2008 |
| 7355146 | Heating unit A heating unit for a vehicle features a radial fan (100) having a housing (110), which housing has an air inlet (116) and an air exit opening (118). The heating unit has an air-directing device (140) that guides an air flow in a pr... | 04/08/2008 |
| 7284709 | System and method for hydronic space heating with electrical power generation This invention provides a system and method for cogeneration of electric power and building heat that efficiently interfaces a liquid-cooled electric power generator with a multi-zone forced hot water (hydronic) space heating system. The system and method utilizes a... | 10/23/2007 |
| 7277627 | Rooftop water heater A water heater adapted to be positioned outside of a building and to interface with the plumbing system of the building. The water heater includes a water storage tank adapted to store water outside of the building, a means for heating the water in the tank, a base ... | 10/02/2007 |
| 7234646 | Heat pump hot-water supply system A hot-water supply system heats water through heat exchange between high-temperature refrigerant of a heat pump circuit and water of a water circulating circuit. The system is an instantaneous water heater unit for instantaneously heating, at a water heat exchanger,... | 06/26/2007 |
| 7170388 | Thermostat A thermostat has a switch, a temperature sensor, a lever, a spring, and a control plate. The sensor generates a force to operate switch in response to the ambient temperature. The lever having an arm turns with the force from the sensor to open/close contacts of the... | 01/30/2007 |
| 7148801 | Article locator system A system and method for locating objects such as people, pets, and personal articles is described. A transceiver is attached to the person, animal, or item to be tracked and a handheld locator device is employed to transmit a locator signal containing an address cod... | 12/12/2006 |
| 7149416 | Clothes dryer heater with air flow increasing device adjacent the heating element A heater for a washer-dryer includes a duct in which heating elements for heating the air flowing through the duct are disposed. A device for increasing the airflow in the area of a heating element is provided in the duct to improve the transportation of heat away f... | 12/12/2006 |
| 7081682 | Portable power modules and related systems A portable power module trailerable over public roads and capable of providing at least approximately one megawatt of electrical power. In one embodiment, the portable power module includes a gaseous fuel motor drivably connected to an electrical generator. The moto... | 07/25/2006 |
| 7047760 | Combination AC/HP-refrigerator apparatus and method A combination AC/HP-refrigerator apparatus and method includes, according to one embodiment, a common condenser duct connected to an AC/HP device with a condenser and to a refrigerator wherein the AC/HP condenser is located in the common condenser duct above the ref... | 05/23/2006 |
| 7040544 | System and method for warm air space heating with electrical power generation This invention provides a system and method for cogeneration of building heat and electric power and that efficiently interfaces a warm air heating system with a liquid-cooled electric power generator. The system and method utilizes an electric generator that is rat... | 05/09/2006 |
| 7013079 | Hybrid hot air heater In a hybrid hot air heater according to the present invention, a chassis having first and second outlets 13 on its front face and first and second inlets 12 on its rear face incorporates therein a gas heater unit 2 comprised of a gas burner 2... | 03/14/2006 |
| 7007856 | Extended engine off passenger climate control system and method An extended engine off passenger climate control system utilizes an advanced temperature control module in combination with modifications to the conventional heating/ventilation/air conditioning (HVAC) system to provide occupants in the passenger cabin of a hybrid e... | 03/07/2006 |
| 6993418 | Method and apparatus for latent temperature control for a device under test A method and associated algorithm for controlling and optimizing the temperature of a device under test (DUT) through calculation of a moving setpoint which varies from the user-specified DUT core temperature. The method generally comprises (i) calculating a system ... | 01/31/2006 |
| 6959144 | Air heater with expansion containing electric heater arranged in stages Providing a hot air heater and an expansion in the air blowing passage of the hot air heater and suppressing increases in air trunk resistance even if electric heaters are arranged in this expansion in a plurality of stages prevents increases in the rotation speed o... | 10/25/2005 |
| 6946621 | Automotive safety device for melting snow and ice from roadways An automotive vehicle safety device for melting ice and snow on roadways and in areas immediately adjacent the vehicle tires includes ductwork extending from a heater mounted adjacent the vehicle engine with the ductwork terminating at front and rear undercarriage m... | 09/20/2005 |
| 6935108 | Heat fan assembly and method of controlling a fan A fan assembly comprising two fans (4, 10) for supplying combustible gases to two burners (5, 9) respectively. The flow parts from the first and second burners are combined in a common manifold. Temperature censor (6, 11) detect the temperature ... | 08/30/2005 |
| 6922033 | Barbeque cover support device A cooking apparatus for controlling the opening of a cover over a barbecue grill includes a motor for opening and closing the cover over the barbecue grill, with the motor connected to the cover by a coupling rod. The cooking apparatus includes, in one embodiment, a... | 07/26/2005 |
| 6907192 | Hybrid hotair heater If both the electric heaters and combustion heaters constitute a hybrid type hot-air heater wherein both heaters are equipped with inlets adjacent to each other and are also housed within a frame and separated such that the air blowing systems of each heater are ind... | 06/14/2005 |
| 6882796 | Hybrid hot air heater In a configuration of a hybrid hot air heater in which a gas heater unit 2 and an electric heater unit 3 are incorporated into one chassis at the upper part and lower part, respectively, in such a manner that their respective air-blowing systems may be... | 04/19/2005 |
| 6877503 | Hybrid cooking range burner with removable gas and radiant heat subassemblies Burner assembly for a cooking range is provided. The burner assembly includes a gas-heat subassembly, and a radiant heat subassembly. An electromechanical interface is configured to detachably interconnect the subassemblies to one another. The electromechanical inte... | 04/12/2005 |
| 6795643 | Hybrid hotair heater When errors occurred that prevented operation of one heater unit in a conventional hybrid type hotair heater, the heating operation was continued by means of the other heater unit although the user could not immediately recognize that error thereby resulting in the ... | 09/21/2004 |
| 6788884 | Space heating system A first partial heating system having a first heat source with an integrated heat source heat exchanger and heat transfer devices spaced from the heat source as a radiator with heat transfer outside surfaces and flow lines and return lines between the heat source he... | 09/07/2004 |
| 6742593 | In situ thermal processing of a hydrocarbon containing formation using heat transfer from a heat transfer fluid to heat the formation A hydrocarbon containing formation may be treated using an in situ thermal process. Hydrocarbons, H2, and/or other formation fluids may be produced from the formation. Heat may be applied to the formation from heat sources to raise a temperature of a port... | 06/01/2004 |
| 6724983 | Heater part, especially for a vehicle water or air heater which is operated with liquid fuel The invention relates to a heater part, especially for a liquid fuel-operated vehicle water or air heater in the form of a supplementary heater or an auxiliary heater with a burner and a heat-exchanger. According to the invention, at least one part of a fuel heater ... | 04/20/2004 |
| 6222163 | Gas oven incorporating auxiliary electric heating element A gas cooking appliance includes upper and lower gas burner units, as well as an upper electric heating element, which is configured and mounted in an enhanced operational manner, within an oven cavity. A control system is provided to control the electric... | 04/24/2001 |
| 6169848 | Cross-direction dryer for a machine producing sheet material moving in a machine direction having both gas powered and electric heating portions A cross-direction dryer for typically drying a continuous web of paper or paper to which coating has just been applied provides both for baseline drying and a linear moisture profile by the use of respectively gas and electric heating portions of the heat... | 01/02/2001 |
| 5970209 | Roasting apparatus Disclosed is a roasting apparatus allowing automation of a roasting process including steps of charging a raw material, roasting it, and carrying a roasted product. A carrying-in port is opened in the bottom of a quantitative tank 1 for storing a raw mate... | 10/19/1999 |
| 5937139 | Portable hot-air blower A portable hot-air blower for at least two of the three forms of energy including oil, liquid-petroleum-gas, and electricity has a tubular or tunnel-shaped housing defining a combustion chamber and a blower in the housing including a fan and a fan motor f... | 08/10/1999 |
| 5909533 | Electric cooking oven with infrared gas broiler A cooking oven having an electric heating element in the bottom for baking, warming and high temperature-self cleaning, and an infrared gas broiler in the top of the oven. The infrared gas broiler is supplied with a fuel gas/air mixture from a venturi tub... | 06/01/1999 |
| 5893357 | Portable cooking system A portable cooking system that includes a detachable base, a support pole assembly, a detachable charcoal holder, a circular grating, a removable cover/lid, a detachable gas burner assembly, a detachable electric burner assembly, a washer shaped flame dif... | 04/13/1999 |
| 5617504 | Cogeneration system and control therefor with auxiliary heating elements and thermal barrier A cogeneration system that is particularly suited to residential use comprises an internal combustion engine, preferably diesel, coupled to a generator, preferably of the induction type. The generator and the engine are thermally isolated from each other ... | 04/01/1997 |
| 5377297 | Method of modifying masonry furnace by inserting electric heating elements through furnace top cover A method of combining electric heating with a wood-heated masonry furnace is provided. The masonry furnace has an outer jacket (1) and at least one fire chest (5, 6) arranged therewithin for burning the wood. Cheek conduits (8) between the outer surface o... | 12/27/1994 |
| 5367601 | Supplemental heat control system with duct temperature sensor and variable setpoint A heating system has a primary heat source such as a heat pump, with a capacity that occasionally needs to be supplemented from a supplemental heat source such as an electrical resistance heater. The heating system heats and circulates a medium such as ai... | 11/22/1994 |
| 5329918 | Combined electric and gas burner This invention provides for the addition of a small electrical element within the confines of a conventional gas station on a cooktop for purposes of simmer cooking which requires control of temperatures below the minimum obtainable with the minimum gas f... | 07/19/1994 |
| 5235667 | Heating method and assembly utilizing electric heating elements in conjunction with combustion A heater for radiant heating of an object in a heating tunnel, furnace or the like has a layer of ceramic fibers through which a fuel/air mixture is fed for combustion at the surface and use of the heater as a gas burner. Partly embedded in the surface is... | 08/10/1993 |
| 5133041 | Method and apparatus for transporting commodities, especially liquid commodities, at temperatures above their congealing point in tanks or tank containers, as well as a method and apparatus for cleaning the tanks or tank containers A method and an apparatus for transporting commodities, especially liquid commodities above their congealing temperature in a tanks or tank containers. At least a partial flow of hot exhaust gases of an internal combustion engine of a tank vehicle or tank... | 07/21/1992 |
| 5086493 | Electric thermal storage boosted heat pump air heating apparatus An electric thermal storage heater with a heat storage brick assembly enclosed within an insulating sheath and an outer shell or housing; there is a space between the outer shell and the insulating sheath through which low temperature air is passed; the b... | 02/04/1992 |
