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| Number | Title | Issue Date |
| 7216645 | Wood burning stove having pivoting baffle and method A wood burning stove is provided. The combustion chamber in which the fire occurs has a baffle plate that is moveable to direct air flow through one of two different pathways from the combustion chamber to the chimney. When in a first position, the baffle plate forc... | 05/15/2007 |
| 7066170 | Apparatuses and methods for balancing combustion air and exhaust gas for use with a direct-vent heater appliance A combustion air and exhaust gas balancing system for use with a direct-vent heater appliance. The balancing system includes a combustion air valve in fluid communication with a combustion air duct and an exhaust gas valve in fluid communication with an exhaust gas ... | 06/27/2006 |
| 7064908 | Laser beam jitter reduction device on a laser optical bench In accordance with an embodiment of the present invention, a device including a first optical table, a second optical table, and at least one optical mount coupled to the first and second optical tables and configured to support at least one optical component. The f... | 06/20/2006 |
| 6946632 | Cooking apparatus equipped with weight measuring device A weight measuring device having a lever structure, a cooking apparatus equipped with the weight measuring device, and a mounting structure of the weight measuring device. A weight sensor pushed by a lever is disposed on an outer bottom surface of a cooking cavity. ... | 09/20/2005 |
| 6769424 | Heater with heat resistant anti-oxidant coating on interior surfaces A heater for burning fuel having a hollow enclosure with an air inlet, and a combustion gas outlet. The enclosure has an exterior heat exchange wall preferably directly exposed to ambient air and an interior surface defining a combustion chamber. The enclosure has a... | 08/03/2004 |
| 6546926 | Brickless stove A wood burning stove in the shape of a barrel having both primary and secondary air inlets for supplying clean combustion. Primary air is fed into the stove from above the door. Secondary air is fed into a heating duct which extends along the bottom of th... | 04/15/2003 |
| 6383456 | Continuous crystallization system with controlled nucleation for milk fat fractionation An apparatus and method of fractionating mixed triglycerides, more particularly anhydrous milk fat, are disclosed. The apparatus and method provide for the separation of the steps of nucleation and crystal growth. Precise control of energy input for nucle... | 05/07/2002 |
| 6209535 | Heating apparatus A heating apparatus comprises a combustion chamber, formed of an assembly having a rear wall, two lateral walls, an upper wall and a lower wall. The combustion chamber has at least one outlet for flue gases. The walls forming said combustion chamber are c... | 04/03/2001 |
| 6123064 | Evolving heating concept A heating system has a modular section which can be converted to use as a store or boiler and to burn either solid or liquid and gaseous fuels. The system can be further expanded by addition of more than one module to increase the heating capacity of the ... | 09/26/2000 |
| 5913273 | Incinerator including vibrator and incinerator including drying chamber A waste incinerator including separate burning-, blower-, chimney- and ash-receiving chambers. A suction-discharge port is provided in a wall between the burning chamber and the chimney chamber for discharging gases from the burning chamber through a chim... | 06/22/1999 |
| 5657742 | Solid fuel heating device A heating appliance has a firebox and an ash chamber. A primary preheating chamber is located beneath the ash chamber. The preheating chamber is U-shaped in cross section and raised portions or arms extend upwardly and define opposite sides of the ash cha... | 08/19/1997 |
| 5469836 | Solid fuel heating appliance A stove (1) comprises a fire-box (4), and an ash-chamber (5) separated by a grate (19). Air intake means (21,23) is provided beneath the ash-chamber. Air supply means (30) connected to the air intake means extends vertically past the ash-chamber and the f... | 11/28/1995 |
| 5139008 | Solid fuel burning stove with secondary air heat exchanger A solid fuel burning stove of the present invention includes an internal combustion chamber, a primary air feed to the combustion chamber and a heat exchanger above and providing a secondary heated air feed to the combustion chamber. This secondary air fe... | 08/18/1992 |
| 5005555 | Wood burning apparatus A wood burning apparatus capable of burning 5 kg per hour of wood or more with the combustion products exiting the apparatus through a collar which is fastened to the wood burning apparatus. A rotatable shaft passes through the collar and has a damper pla... | 04/09/1991 |
| 4941451 | Solid fuel burning heater A heater for the burning of wood or other similar fuels in a fire box. The fire box has a door at the front, there being a primary air inlet to the fire box above the door. The fire box also has a secondary air inlet at the rear and a tertiary inlet at th... | 07/17/1990 |
| 4827900 | Stove with external tubes for increasing heat dissipation A stove has a combustion chamber with front and rear ends. Fuel is fed into the front end and a chimney exhausts the products of combustion from the rear end. A multiplicity of tubes are external to, and parallel to the combustion chamber. Each tube is co... | 05/09/1989 |
| 4777928 | Efficient, pollution free, woodburning furnace A self-contained, free standing, on-demand, woodburning furnace including a firebox (52), including means to force combustion gases through a manifold (68), a hot air gathering plenum and means to selectively force feed the fire (34, 36, 38, 40, 68) and d... | 10/18/1988 |
| 4766876 | Wood stove A wood stove is described having a firebox with a baffle mounted therein that extends forward from a rear wall terminating in a forward edge spaced from a front wall. The wood stove has a front opening with a door thereon that includes a window enabling v... | 08/30/1988 |
| 4643165 | Nonpolluting, high efficiency firebox for wood burning stove A firebox for a wood stove provides primary, secondary, and tertiary supplies of combustion air to the firebox. The primary supply of air enters from the front of the firebox and establishes a combustion flow downwardly to the fire. Smoke containing parti... | 02/17/1987 |
| 4611572 | Low emission stove A low emission stove includes a firebox divided by an inverted baffle into a large lower primary combustion chamber, in which the solid fuel is placed, and a substantially smaller upper secondary combustion chamber. A restrictive vertical passage formed b... | 09/16/1986 |
| 4510917 | Passive mode solid fuel burning furnace A downdraft furnace comprises a combustion component associated with a heat exchange component. The combustion component includes a fuel chamber, a primary combustion chamber and a secondary combustion chamber operatively interconnected by a constricting ... | 04/16/1985 |
| 4480630 | Jacketed combustion type heater with blowback prevention feature A jacketed wood burning stove of the type having an inner firebox door and an outer jacket door in front of the firebox door and wherein a flash inhibitor is provided consisting of a relatively small auxiliary firebox door which is manually biased open bu... | 11/06/1984 |
| 4432335 | Stove construction for achieving complete fuel combustion A stove apparatus which is designed to achieve relatively complete combustion of solid fuel such as wood or coal. A combustion chamber is defined by a connected wall housing and includes a primary flue opening at an upper rear portion thereof. Primary com... | 02/21/1984 |
| 4430986 | Fuel burning stove with handle operated damper and baffle means In a fuel burning stove having a heating chamber positioned above a firebox and covering a rear discharge opening as well as a major portion of the firebox upper wall, a vertical exhaust path is established between the discharge opening and the flue. A sl... | 02/14/1984 |
| 4426991 | Stove construction A stove firebox has a longitudinal opening in its bottom wall in which is supported upper and lower grates. The lower grate is slidable relative to the upper grate. Each grate has longitudinally spaced cross bars, and such cross bars and the openings ther... | 01/24/1984 |
| 4394857 | Insert for a stove An insert for a stove permits efficient burning of either coal or wood and includes a movable grate. Granular material is located around the insert for modulating the heat transferred to the stove walls from a fire on the grate. Bumps project upwardly fro... | 07/26/1983 |
| 4338913 | Solid fuel burning stove A solid fuel burning stove (10) includes a firebox (11) having an insulated bottom chamber in which fuel is burned. The bottom chamber includes an insulated bottom surface (72) and walls (18, 20, 22, 24) which provides for heat retention when fuel is burn... | 07/13/1982 |
| 4326495 | Stove for solid fuel A stove for burning solid fuels such as wood and coal with improved efficiency has three generally distinct combustion zones namely a primary zone, a secondary zone and a tertiary zone, thus ensuring fuller combustion of residual combustible gases in the ... | 04/27/1982 |
| 4319555 | Dual grate for burning wood and coal A solid fuel burner having a housing with runners mounted inside its sidewalls and vertical rods passing upwardly through the runners which support two frames each having a shaker-grid opening therethrough with a shaker grid rockably supported therein, th... | 03/16/1982 |
| 4295459 | Stove A stove comprising an elongated fuel chamber having a door at one end, a chimney communicating with the chamber at a position in close proximity to said door-end in upper surface, an air inlet opening in upper surface of said fuel chamber at a point in cl... | 10/20/1981 |
| 4279237 | Combination stove and fireplace The specification describes a stove which is convertible to a fireplace. The stove has a swingable mounted front door which closes the combustion chamber. The door has a primary and secondary pre-heating air passages both of which introduce a stream of pr... | 07/21/1981 |
| 4274393 | Fireplace assembly A new fireplace assembly is provided which is inserted into a conventional fireplace and which is capable of greatly increasing the burning efficiency and heat output over conventional units, decreasing the waste heat lost and at the same time providing a... | 06/23/1981 |
| 4267817 | Wood-burning stove A wood stove is of all welded steel plate construction except for the door which is of heavy cast iron. When the door is closed, the only source of combustion air is through an adjustable air inlet on the face of the door. The door is hollow and serves to... | 05/19/1981 |
| 4263885 | Woodburning stove The stove is of the cylindrical firechamber-type having a side loading door for loading wood or other combustible material such as coke or coal into the chamber. The front of the stove chamber may be opened to enable viewing of the wood burning in the sto... | 04/28/1981 |
| 4258692 | Combination wood and coal stove A solid fuel stove is disclosed having a hinged door adapted for loading of aggregate solid fuel in the form of lumps or chunks, such as coal, and a second hinged door located at the side or end of the stove, adapted for loading of elongated sections of l... | 03/31/1981 |
| 4230091 | Stove A stove having walls which are shaped and supported to prevent warping thereof. A combustion chamber in the stove is defined by bottom and side walls positioned and oriented to maximize the space available for such a chamber. The walls of the combustion c... | 10/28/1980 |
| 4215668 | Stove A free standing stove having excellent thermal emission and fuel combustion characteristics comprising front, back, base, top and side plates of high strength, heat transmitting metal defining a main body of the stove. The interior of the main body of the... | 08/05/1980 |
| 4207860 | Wood-coal heating unit A wood and coal fired heating unit, comprising a magazine wherein is incorporated a preheating draft manifold, supplying all primary and secondary drafts to the combustion zone and secondary combustion chamber. Within the fuel combustion chamber a baffle,... | 06/17/1980 |
| 4196713 | Fuel burning heater A fuel burning heater has a lower combustion chamber with a door at the front thereof and an upper heating chamber with a discharge port for products of combustion at the rear thereof. A common wall between the heating chamber and a portion of the combust... | 04/08/1980 |
| 4192285 | Air tight fuel burning stove A fuel burning stove for holding and burning fuel to heat the surrounding atmosphere in a room where the stove is employed. The stove includes a fire box which supports the fuel and where the combustion is sustained. An air inlet is provided to the fire b... | 03/11/1980 |
