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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 6425388 | Pizza oven deck A pizza oven that has an air curtain or air wash along the bottom of the cooking stones that reduces heat transfer from the burners to the stones during idle modes to thereby prevent over heating and burning of pizza bottoms during an ensuing cooking mode... | 07/30/2002 |
| 6378602 | Cooking apparatus insulated by non-fibrous means A cooking apparatus comprising a heatable component insulated by a heat insulating material, wherein the heat insulating material comprises a plurality of metal sheets that are spaced apart from each other by a separator.... | 04/30/2002 |
| 6373029 | Enclosed cooking system An enclosed cooking system including a housing having a top wall, a bottom wall, a back wall, opposed side walls, and an open front. The bottom wall has a stove burner element positioned thereon. The stove burner element has a corresponding heating elemen... | 04/16/2002 |
| 6349714 | Cooking range and control assembly and burner therefor A burner for a heat supplying device includes a substrate of thermally insulating material, the substrate defining a plurality of openings therethrough for flow of an air/gas mixture therethrough from a first side of the substrate to a second side of the ... | 02/26/2002 |
| 6341601 | Shield for use with an oven for redirecting a thermal exhaust flow A shield for use with a conveyor oven for redirecting a thermal exhaust flow. The conveyor oven has a first exterior surface defining an inlet aperture and a second exterior surface defining an outlet aperture. A first shield secures against the first ext... | 01/29/2002 |
| 6269807 | Heat storage range cooker The invention relates to the provision of a heat storage range cooker which includes a heat source mounted therein from which heating gas is emitted. The gas passes into a cavity which leads into two ducts, a first duct passing to heat a heating plate and... | 08/07/2001 |
| 6250210 | High efficiency carousel infrared oven The instant high efficiency carousel pizza oven is an oven of the open cavity or open input type which permits food access and fluid communication with the atmosphere through a proximal or front opening within the oven housing. The present oven is prefera... | 06/26/2001 |
| 6250296 | Convection oven with circulated air filtration means A convection oven with a filtration system for recirculated convection gas. The oven includes an interior chamber, a product support in the interior chamber and a blower in fluid communication with at least one duct (preferably a plurality) for circulatin... | 06/26/2001 |
| 6234161 | Gas cooking appliance with isolated combustion and cooling air flows A gas cooking appliance, having burner units mounted on an upper cooktop and an oven cavity arranged below the burner units, incorporates a fan for generating a flow of cooling air within the appliance, with the cooling air extending along an at least bac... | 05/22/2001 |
| 6230700 | Charcoal grill An off fire cooling system having an octagonal body shape and split fire system which doubles the coal heating surface area and doubles the coal heat output. The cooking system also has an air introduction system which circulates air throughout the interi... | 05/15/2001 |
| 6172338 | Cooling system for a cooking appliance A cooking appliance includes a cabinet, defined by at least front, side, bottom and rear panel portions, and at least one oven cavity positioned therein. When placed in an in-use position, the bottom panel portion is spaced from a supporting surface, pref... | 01/09/2001 |
| 6138660 | Forced convective track oven having oval spirals A forced convective track oven comprises a track conveyor including first and second circular spirals, the first circular spiral for conveying bakery trays and dough products upwardly and the second circular spiral portion for conveying bakery trays and d... | 10/31/2000 |
| 6098613 | Venting system for gas oven A venting system for a gas oven of a cooking range that also has a cooktop portion. The venting system includes a flat duct above the oven on each side that communicates with an elongated opening in the top of the oven on that side and the duct conducts t... | 08/08/2000 |
| 6044833 | Baking oven A baking oven comprises a re-circulation air heater which comprises a burner with a combustion chamber and a cross-counterflow heat exchanger disposed downstream thereof. This heat exchanger comprises serpentine heat transfer tubes which are connected to ... | 04/04/2000 |
| 6041768 | Oven having an electric timing system for saving and controlling gas An improved oven of a type having an on/off pilot and gas valve for receiving gas, with the on/off pilot and gas valve being purely mechanical and having inner workings and a manually operated push button knob, a pilot in communication with the on/off pil... | 03/28/2000 |
| 6041767 | Baking oven devaporation A baking oven comprises at least one hearth with a baking chamber, a heater, a vaporization device for the supply of vapor and/or fresh air, a devaporization device for the discharge of vapor and/or used air and an overpressure reduction device for overpr... | 03/28/2000 |
| 5960781 | Oven equipped with a movable heat generating means An oven, including an inner compartment comprising side walls, a lower wall, an upper wall and a back, an outer compartment defining a casing and surrounding the inner compartment in order to delimit therewith a continuous intermediate space, a heat gener... | 10/05/1999 |
| 5937845 | Alternating horizontal air flow oven An air flow chamber for cooking or chilling using alternating horizontal air flow has an air heating or cooling apparatus and an air recirculating flow control mechanism for forcing heated or cooled air through an enclosure wherein said air is alternating... | 08/17/1999 |
| 5845631 | Heat exchanger for convection baking ovens An oven (1) for baking foods having a baking cabinet (2), at least one door (3), a plurality of burners (4), a plurality of annular heat exchange tubes (6) for receiving in an annulus (7) at an intake end (8) combustion gases (5) from the burners (4), a f... | 12/08/1998 |
| 5727539 | Convection oven with multi-level heating chamber A convection oven is described that provides a more desirable cooking condition. The convection oven includes a cooking cavity having sidewalls, a ceiling and a floor and a combustion chamber below the cooking cavity for heating combustion gases to be sup... | 03/17/1998 |
| 5706796 | Heat diffusion ovens An oven structure that includes a housing with an internal refractory surface and two heat diffusion walls with apertures at spaced apart and parallel relationship with respect to each other defining a centrally disposed baking chamber and two combustion ... | 01/13/1998 |
| 5697360 | Oven structure associable with electrical or gas elements to define an electric or gas oven An oven structure (1) comprises a casing (2) provided with walls (5, 6, 7, 8, 9) defining a cooking chamber (4) open on one side (4A) of said casing (2), and below said casing (2) an element (20) provided with a cavity (19) defined by walls (21, 22, 23, 2... | 12/16/1997 |
| 5655511 | Gas fired convection oven A restaurant sized convection oven has a single-sided blower wheel with forward curved fins. A pair of spaced parallel baffle plates are in front of the blower, each plate having a central hole or opening. A connecting duct extends a passageway for flue g... | 08/12/1997 |
| 5636622 | Commercial gas oven for combined cooking A commercial gas oven has as its only source of heat for heating and for steam generating an extended mesh-type burner and a sealed combustion chamber. The oven works in five cooking modes reaching steam saturation below 100° C. and a high humidity up to... | 06/10/1997 |
| 5558793 | Quick-cooking oven An oven for cooking by hot air impingement includes a housing defining a cooking chamber adapted to receive a food product for cooking, a hot air plenum configured and dimensioned to hold a volume of air and a conduit for providing gaseous communication t... | 09/24/1996 |
| 5547373 | Baking oven with integral emissions control apparatus An apparatus for baking a dough-type product includes an oven having an enclosure, a product supporting conveyor in the enclosure, burners positioned to heat the product, and an integrally associated emissions control device for controlling emissions eman... | 08/20/1996 |
| 5497760 | Convection oven with power induced back draft flow An efficient convection oven is described. The oven utilizes a single inlet centrifugal induced back draft fan disposed in a sidewall thereof between vertical burners and combustion chambers to constantly mix products of combustion from the combustion cha... | 03/12/1996 |
| 5492055 | Pizza oven An oven for pizza and other baked goods includes auxiliary heating means positioned in the baking chamber. By designing the auxiliary heater to simulate a burning log viewable through the baking chamber access door, the ambience of a wood burning oven is ... | 02/20/1996 |
| 5485816 | Charcoal burning cooking device An oven utilizing charcoal as the source of cooking heat is disclosed, the oven having a thermostatically controlled charcoal ignition means used only to ignite and then reignite the charcoal in response to any temperature drop below a predetermined lower... | 01/23/1996 |
| 5441035 | Bake oven with a belt conveyor for conveying foods A bake oven comprising a base frame, a motor-driven belt conveyer disposed above the horizontal bottom wall of the base frame and controlled to carry foods through the baking area, an electric heating coil extended from the base frame and inserted into th... | 08/15/1995 |
| 5417198 | Ethanol incinerating baking oven An apparatus for the elimination of ethanol formed during the baking of yeast based products, such as bread, from the exhaust of a baking oven is provided. The apparatus includes a system of destroying the ethanol via thermal or catalytic incineration tha... | 05/23/1995 |
| 5413033 | Oven with a stone covered bottom An oven for baking a food product. The oven comprises a stone covered bottom that includes a baking area in which the food product may be baked. A top is connected to the bottom and constructed to form a domed chamber over the baking area. A constant heat... | 05/09/1995 |
| 5403608 | Method for cooking food A method of cooking food which comprises the steps of: providing a pair of spaced apart linearly aligned heating assemblies defining a cooking area and passage therebetween for transport of food to be cooked, heating the heating elements to a degree such ... | 04/04/1995 |
| 5398666 | Turntable convection heater A method and apparatus for heating or cooling a product which includes a plurality of tapered ducts in a cabinet above and below a turntable to form streams which are directed toward the product. Spent air is drawn through intake openings in return ducts ... | 03/21/1995 |
| 5387258 | Self-cleaning oven Self-cleaning oven including a cooking compartment, a hinged door and a venting assembly. The venting assembly includes a fan connected to an aspiration duct which is in turn connected to an interspace provided in the door. The fan is also connected to a ... | 02/07/1995 |
| 5385137 | U-tube heat exchanger for bakery ovens An easily repairable, high efficiency, durable, compact heat exchanger having a modular heat exchanger tube may be provided. The modular heat exchanger tube may be easily disassembled so that any of its modular component tubes (such as its combustion area... | 01/31/1995 |
| 5379685 | Venting system for an electric toaster An electric toaster is suspended from the lower surface of a kitchen cabinet. The electric toaster has a horizontally disposed toasting compartment. An inner wall defines the toasting compartment and is spaced from an outer housing wall. A partition exten... | 01/10/1995 |
| 5365918 | Oven with short radius door An oven with a heated interior volume, an access into the heated interior volume, and a door mounted adjacent to the heated interior volume for pivoting between closed access and opened access positions and having a concave interior surface defining an in... | 11/22/1994 |
| 5361749 | Gas fired convection oven A convection oven is given a lower profile so that two ovens may be stacked without exceeding a height so that the uppermost of the stacked ovens may be comfortably reached by a relatively short person. Also, the oven requires less floor space for install... | 11/08/1994 |
| 5325842 | Dual mode downdraft gas range A novel dual mode, downdraft gas range provides a sealed top and sealed gas burners that can be operated effectively in a power burner mode with a downdraft exhaust and otherwise in an atmospheric mode. In the range, a separate and independently operating... | 07/05/1994 |
