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Walt Disney was no Mickey Mouse inventor. He devised a serious animation camera which he patented. With the device, his company created "Snow White".
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| Number | Title | Issue Date |
| 7424887 | Panel type radiator The present invention relates to a panel radiator comprising a rectangular steam generation unit having a combustion unit and a heat exchange unit at the lower part thereof, characterized in that the left and right introduction pipes, each having one end coupled wit... | 09/16/2008 |
| 7360535 | Hot water apparatus A hot water apparatus is provided in which heat recovery is performed as much as possible allowing condensate to be generated and excellent heat efficiency is achieved without providing a plurality of heat exchangers by effectively evaporating generated condensate. ... | 04/22/2008 |
| 7258080 | Fuel-fired dual tank water heater having dual pass condensing type heat exchanger A fuel-fired commercial water heater has upper and lower communicated tank portions which are separated by a plenum forming a vertically intermediate portion of a dual pass condensing type heat exchanger. A lower portion of the heat exchanger is defined by a series ... | 08/21/2007 |
| 7044124 | Heating apparatus having insulation-contacted fuel burners A fuel-fired heating appliance has multiple premix type fuel burners horizontally disposed in a row in its combustion chamber and operable in a staged manner. The burners are upwardly spaced apart from a rigid fiberboard insulation panel structure extending along th... | 05/16/2006 |
| 6971335 | Water heater A water heater is provided in which neutralization process of drain is not required and an excellent heat efficiency is achieved. A route of exhaust gas which is passing through the main heat exchanger 18 is divided into a first exhaust gas chamber 23 ... | 12/06/2005 |
| 6951191 | Water heater provided with compact design and hot water temperature for human body A water heater includes an exhaust hood, a heat exchange module, a main heat valve and a control valve extending downwardly in turn between a case and a plate. Inlet and outlet heads are installed on the two sides at the end of the hot water pipes respectively. Hole... | 10/04/2005 |
| 6880547 | Wood burning swimming pool heater A swimming pool heater that heats a private swimming pool and can be used to provide heating for a house, a cottage or a commercial swimming pool. Wood, that is often found around pools, is used as primary fuel. This oven has a cylindrical external appearance and is... | 04/19/2005 |
| 6776153 | Hybrid atmospheric water heater A high efficiency hybrid atmospheric water heater that employs direct and indirect contact of water and hot gases to achieve approximately 99% efficiency. The heater employs a large capacity combustion chamber to burn both liquid and gaseous fuel and achieving low n... | 08/17/2004 |
| 6418883 | Ignition inhibiting gas water heater A gas water heater including a water container adapted to be heated by a gas burner; and an enclosure surrounding the burner, the enclosure having at least one entryway adapted to allow air and fumes to enter the enclosure without igniting flammable gases... | 07/16/2002 |
| 6216643 | Flammable vapor resistant water heater A water heater including a water tank, a combustion chamber beneath the tank, a gas burner in the combustion chamber, an air plenum upstream of the combustion chamber, a flame arrestor located such that air in the air plenum passes through the flame arres... | 04/17/2001 |
| 6155211 | Air inlets for water heaters A gas water heater including a water container adapted to be heated by a gas burner; and an enclosure surrounding the burner, the enclosure having at least one entryway adapted to allow air and fumes to enter the enclosure without igniting flammable gases... | 12/05/2000 |
| 6139311 | Pilot burner apparatus and method for operating An apparatus and method for operating a pilot burner apparatus and a main burner apparatus of a gas-fired appliance. The pilot burner apparatus draws combustion air from a first environment. The main combustion apparatus draws air from a second environmen... | 10/31/2000 |
| 6138666 | Direct fired outdoor heater and heating method A heater includes a housing having an angled top, a fan having a discharge disposed parallel to the angled top of the housing, and a baffle for laminarizing airflow through the heater. The heater may also create airflow through a cover, across a housing, ... | 10/31/2000 |
| 6135061 | Air inlets for water heaters A gas water heater including a water container adapted to be heated by a gas burner; and an enclosure surrounding the burner, the enclosure having at least one entryway adapted to allow air and fumes to enter the enclosure without igniting flammable gases... | 10/24/2000 |
| 6116195 | Flame traps for water heaters A gas water heater including a water container adapted to be heated by a gas burner; and an enclosure surrounding the burner, the enclosure having at least one entryway adapted to allow air and fumes to enter the enclosure without igniting flammable gases... | 09/12/2000 |
| 6109216 | Flammable vapor resistant water heater A water heater including a water tank, a combustion chamber beneath the tank, a gas burner in the combustion chamber, an air plenum upstream of the combustion chamber, a flame arrestor located such that air in the air plenum passes through the flame arres... | 08/29/2000 |
| 6106276 | Gas burner system providing reduced noise levels A gas burner is provided for use on the inlet end of a fire tube, and includes a mixer having attached to it a gas delivery pipe, fuel gas and air being combined in the mixer to provide mixed gas and air. A venturi is secured at its inlet end to the mixer... | 08/22/2000 |
| 6085699 | Air inlets for water heaters A water heater includes a water container, a combustion chamber adjacent said water container having at least one inlet to admit air and extraneous fume species into the combustion chamber, at least one inlet comprising a metal plate having a thickness of... | 07/11/2000 |
| 6085739 | Hot pressure washer A pressure washer having a frame supporting a heat exchanger for heating liquid passing therethrough under pressure for delivery to a nozzle for pressure cleaning. A burner unit is positioned for applying flame heat to the heat exchanger for heating liqui... | 07/11/2000 |
| 6056542 | Burner for reducing nitrogen oxides and carbon monoxide A burner is disclosed, comprising: a burner body and a burner lid coupled to the burner body so as to form a plurality of gas ports in a substantially circular and substantially planar arrangement, said gas ports being interposed between the burner body a... | 05/02/2000 |
| 5989020 | Multiple stage heating apparatus A heating apparatus includes at least first and second burners located in a combustion chamber wherein the burners are separated by a divider for deterring uncombusted fuel flowing from a firing burner to an area adjacent to a non-firing burner. In anothe... | 11/23/1999 |
| 5967138 | Flash suppressor for hot water heater A protective collar means for surrounding the lower periphery of a cylindrical water heater. The collar means comprises a cylinder attached at the top and bottom edges to flanged and grooved rings for keeping the cylinder stable. The collar means may be e... | 10/19/1999 |
| 5961317 | Combustion head assembly A combustion head assembly comprising a mounting plate having a plurality of apertures and adapted for mounting to a boiler, and a plurality of combustion heads removably mounted in each of the apertures. The combustion heads each have a fuel nozzle and i... | 10/05/1999 |
| 5954492 | Burner for reducing nitrogen oxides and carbon monoxide The gas burner of the present invention includes a mated burner body and a burner lid. A plurality of gas ports in a substantially circular and planar arrangement are interposed between the mated body and lid and are directed radially from the body and li... | 09/21/1999 |
| 5927269 | Auxiliary vehicle heater An auxiliary vehicle heater includes a combustion air fan, an intermittently rotating, absorbent wick, a glow plug for initiating combustion and a water jacket surrounding a combustion chamber. Fuel is supplied to the rotating wick by a metering pump and ... | 07/27/1999 |
| 5909730 | Bitumen container THE INVENTION provides a beatable container for bitumen, cut-back or the like, comprising a body member defining a base zone, side wall zones, end wall zone and a roof zone, characterized in means for transmitting heat from a heating medium to the base zo... | 06/08/1999 |
| 5901700 | Combustion apparatus A combustion apparatus has a fuel feed unit, a blower for supplying combustion air, a mixing unit of fuel and combustion air, a first catalyst provided downstream of the mixing unit, a first heat receiving unit adjacent to the first catalyst, a second cat... | 05/11/1999 |
| 5893341 | Mobile pool heating apparatus A mobile water heating apparatus for rapidly heating large volumes of water, such as swimming pools, hot tubs, etc., at multiple sites includes a water heater, a water pump, and a water circuit comprising flexible conduit for direct coupling between the p... | 04/13/1999 |
| 5879154 | Flame spreader-type fuel burner with lowered NOx emissions A fuel-fired water heater is provided with a flame spreader-type fuel burner assembly that reduces the operating NOx emissions of the water heater. The assembly includes a radial port gas burner coaxially disposed in a facing relationship with a generally... | 03/09/1999 |
| 5772422 | Burner array for water heating apparatus The invention relates to a water heating apparatus which uses a submergible, pressurized combustion chamber having multiple external heating surfaces, a forced draft burner and a flue collector that collects and passively recirculates a portion of the flu... | 06/30/1998 |
| 5765546 | Direct contact water heater with dual water heating chambers A dual direct contact water heater is described and consists of a heater housing having two sections, each section having a water reservoir. One section provides hot water at a high temperature and provides a source of heat exchange to heat an external so... | 06/16/1998 |
| 5749356 | Low NOX and CO emissions direct contact high temperature water heater A gas-fired water heater is comprised of a vertical housing (11) having a circumferential side wall (12), a closed bottom end (13), and a flue (14) connected to a top end portion (15) thereof. A packing (17) of heat exchange elements (18) is supported ins... | 05/12/1998 |
| 5735681 | Ultralean low swirl burner A novel burner and burner method has been invented which burns an ultra lean premixed fuel-air mixture with a stable flame. The inventive burning method results in efficient burning and much lower emissions of pollutants such as oxides of nitrogen than pr... | 04/07/1998 |
| 5645413 | Low NOx staged-air combustion chambers A method and apparatus for low NOx combustion in natural draft combustion chambers comprising staged-air combustion apparatus and process in which a fuel-rich, fuel/air mixture is introduced through a burner into a combustion chamber, forming a... | 07/08/1997 |
| 5642724 | Fluid mixing systems and gas-fired water heater The disclosed methods and apparatus for mixing a secondary fluid with a primary fluid have utility in venturi and other fluid mixing systems in agriculture, fluid, fuel combustion and other fields where liquid or gaseous chemicals, liquid or gaseous fuels... | 07/01/1997 |
| 5479913 | Direct contact water heater A direct contact water heater is provided having an upright, closed cylindrical tank formed from an outer tank shell. The outer tank shell has a top, a bottom and an external sidewall extending between the top and bottom to define an interior of the tank.... | 01/02/1996 |
| 5405261 | Waste oil fired heater with improved two-stage combustion chamber An improved two-stage combustion chamber for burning waste hydrocarbons such as crank case oil, spent motor oil, transmission fluid, lubrication dopes, and heavy bodied gear lubes. The combustion chamber is formed from a plurality of spaced apart, stacked... | 04/11/1995 |
| 5403180 | Pulsating combustors A pulsating combustor includes a combustion chamber having a hollow cylindrical form and a tailpipe having a similar hollow cylindrical form, such that the internal chambers are annular in section. Air and fuel are admitted to the combustion chamber and p... | 04/04/1995 |
| 5380191 | Pulse combustor The invention provides an improved valve-less pulse combustor including a plurality of combustion systems and one common air supply system, wherein the air supply system includes an air supply controller which interferes with air supply to a combustion sy... | 01/10/1995 |
| 5320522 | Gas Burner with combustion grille, its combustion process, and heating installation comprising such a burner Burner fed with combustive air and combustible gas, comprising a distribution chamber (3) communicating with a combustion chamber (11), with interposition between them of a combustion grille (13). The distribution chamber is fed tangentially with air and ... | 06/14/1994 |
