Patents by Inventor David H. McFadden
David H. McFadden has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 8006685Abstract: A bleed gas clean-up system for a re-circulating oven.Type: GrantFiled: October 5, 2005Date of Patent: August 30, 2011Assignee: Turbochef Technologies, Inc.Inventors: David A. Bolton, David H. McFadden
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Patent number: 7946224Abstract: A high-speed griddle for cooking food products has a griddle platen having a cook surface for receiving food products thereon, and heating means are provided for heating the platen. A clamshell cover is configured for sealing contact with the cook surface of the platen, the cook surface and cover cooperating to enclose a cook volume. An electromagnetic energy source is configured for emitting energy into the cook volume, the energy source emitting energy of a frequency selected to cause internal heating of food products within the cook volume. In addition, a convection air system is configured to provide a flow of heated air into the cook volume. The heated platen, electromagnetic energy source, and convection air system cooperate to rapidly cook food products within the cook volume.Type: GrantFiled: October 30, 2007Date of Patent: May 24, 2011Assignee: Turbochef Technologies, Inc.Inventor: David H. McFadden
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Patent number: 7886658Abstract: A speed cooking with improved gas flow by-pass mechanism for radiant cooking mode. A speed cooking oven with radiant mode is disclosed comprising a cooking cavity, a controller, thermal heating source, blower assembly, air directing means, a vent assembly and a single door gas by-pass system. Hot gas is circulated by the blower motor assembly into the oven cavity where the hot air is directed in a manner wherein a conflicting, colliding turbulent gas flow is directed at a food product providing for the rapid cooking of food products. Alternatively, a single movable door may be utilized that operates between an open position wherein gas flow exhausts from the top of the oven or in the closed position wherein gas is diverted through a conduit and back to the blower mechanism.Type: GrantFiled: October 30, 2007Date of Patent: February 15, 2011Assignee: Turbochef Technologies, Inc.Inventors: David H. McFadden, David A. Bolton
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Patent number: 7836874Abstract: A speed cooking oven is disclosed comprising a cooking cavity, a controller, thermal heating source, blower assembly, air directing means and a vent assembly. Hot air is circulated by the blower motor assembly into the oven cavity where the hot air is directed in a manner wherein a conflicting, colliding turbulent gas flow is directed at a food product providing for the rapid cooking of food products.Type: GrantFiled: July 7, 2003Date of Patent: November 23, 2010Assignee: Turbochef Technologies, Inc.Inventor: David H McFadden
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Patent number: 7836875Abstract: A speed cooking oven is disclosed comprising a cooking cavity, a controller, thermal heating source, blower assembly, air directing means and a vent assembly. Hot air is circulated by the blower motor assembly into the oven cavity where the hot air is directed in a manner wherein a conflicting, colliding turbulent gas flow is directed at a food product providing for the rapid cooking of food products.Type: GrantFiled: March 29, 2006Date of Patent: November 23, 2010Assignee: Turbochef Technologies, Inc.Inventors: David H. McFadden, David A. Bolton
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Publication number: 20080296284Abstract: A combination cooking oven is disclosed comprising a cooking cavity, a controller, thermal heating source, blower assembly, air directing means, deflecting means and a vent assembly wherein speed cooking or slower cooking of food products may be accomplished within the same appliance by movement of a gas baffle.Type: ApplicationFiled: October 30, 2007Publication date: December 4, 2008Applicant: TURBOCHEF TECHNOLOGIES, INC.Inventors: David H. McFadden, David A. Bolton
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Publication number: 20080206420Abstract: An accelerated cooking air fryer is disclosed comprising a cavity, controller, thermal heating source, blower assembly, gas directing means and a vent assembly. Hot gas is circulated by the blower motor assembly into the air fryer cavity where the hot air is directed in a manner wherein a conflicting, colliding turbulent gas flow is directed at a food product providing for the accelerated cooking of the food product.Type: ApplicationFiled: March 14, 2006Publication date: August 28, 2008Inventor: David H. McFadden
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Publication number: 20080099008Abstract: A bleed gas clean-up system for a re-circulating oven.Type: ApplicationFiled: October 5, 2005Publication date: May 1, 2008Inventors: David A. Bolton, David H. McFadden
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Patent number: 7360533Abstract: A speed cooking oven is disclosed comprising a cooking cavity, a controller, thermal heating source, blower assembly, air directing means and a vent assembly. Hot air is circulated by the blower motor assembly into the oven cavity where the hot air is directed in a maimer wherein a conflicting, colliding turbulent gas flow is directed at a food product providing for the rapid cooking of food products.Type: GrantFiled: April 4, 2005Date of Patent: April 22, 2008Assignee: Turbochef Technologies, Inc.Inventor: David H McFadden
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Patent number: 7055518Abstract: A speed cooking oven is disclosed comprising a cooking cavity, a controller, thermal heating source, blower assembly, air directing means and a vent assembly. Hot air is circulated by the blower motor assembly into the oven cavity where the hot air is directed in a manner wherein a conflicting, colliding turbulent gas flow is directed at a food product providing for the rapid cooking of food products.Type: GrantFiled: July 7, 2003Date of Patent: June 6, 2006Assignee: Turbochef Technologies, Inc.Inventors: David H. McFadden, David A. Bolton
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Patent number: 6874495Abstract: A speed cooking ovens is disclosed comprising a cooking cavity, thermal heating source, air movement and directing means, air flow control means, an air delivery means, and a vent assembly. The speed cooking oven may additionally utilize air flow control mechanisms and be practiced as a single rack speed cooking oven or a multi rack speed cooking oven. Hot gas is circulated to and from the oven cavity via air delivery means, such that turbulently mixed glancing, conflicting and colliding air flows mix at and about the surfaces of the food product. The turbulently mixed air flows are spatially averaged over the surface area of the food product producing high heat transfer and moisture removal rates, thereby optimizing speed cooking of the food product.Type: GrantFiled: July 7, 2003Date of Patent: April 5, 2005Inventor: David H McFadden
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Publication number: 20040216732Abstract: A speed cooking oven is disclosed comprising a cooking cavity, thermal heating source, air movement and directing means, air delivery means, and a vent assembly. Hot gas is circulated to and from the oven cavity via air delivery means such that turbulently mixed glancing, conflicting and colliding gas flow patterns mix at and about the surfaces of the food product. The turbulently mixed gas flows are spatially averaged over the surface area of the food product producing high heat transfer, thereby optimizing speed cooking of the food product.Type: ApplicationFiled: July 7, 2003Publication date: November 4, 2004Inventor: David H. McFadden
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Publication number: 20040211765Abstract: A speed cooking oven is disclosed comprising a cooking cavity, a controller, thermal heating source, blower assembly, air directing means and a vent assembly. Hot air is circulated by the blower motor assembly into the oven cavity where the hot air is directed in a manner wherein a conflicting, colliding turbulent gas flow is directed at a food product providing for the rapid cooking of food products.Type: ApplicationFiled: July 7, 2003Publication date: October 28, 2004Inventor: David H. McFadden
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Publication number: 20040123858Abstract: A speed cooking oven is disclosed comprising a cooking cavity, a controller, thermal heating source, blower assembly, air directing means and a vent assembly. Hot air is circulated by the blower motor assembly into the oven cavity where the hot air is directed in a manner wherein a conflicting, colliding turbulent gas flow is directed at a food product providing for the rapid cooking of food products.Type: ApplicationFiled: July 7, 2003Publication date: July 1, 2004Inventor: David H. McFadden
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Publication number: 20040118392Abstract: A speed cooking oven is disclosed comprising a cooking cavity, a controller, thermal heating source, blower assembly, air directing means and a vent assembly. Hot air is circulated by the blower motor assembly into the oven cavity where the hot air is directed in a manner wherein a conflicting, colliding turbulent gas flow is directed at a food product providing for the rapid cooking of food products.Type: ApplicationFiled: July 7, 2003Publication date: June 24, 2004Inventor: David H. McFadden
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Patent number: 6406522Abstract: An apparatus and system, as well as corresponding methods of operation and treatment of air, are provided which make use of a rotatable desiccant bed such as to permit the effective and selective alternative reduction of humidity of incoming air or energy recovery from air to be discarded.Type: GrantFiled: June 6, 2000Date of Patent: June 18, 2002Assignee: Gas Research InstituteInventors: David H. McFadden, Paul Lukas Brillhart
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Patent number: 6376817Abstract: For residential use primarily, a compact quick-cooking convection oven for cooking a food product at least partially by hot gas flow, includes a housing defining (i) a cooking chamber having a top, a bottom and a support means therebetween and spaced above the chamber bottom for receiving and supporting a food product for cooking, and (ii) conduit means for providing gaseous communication outside of the cooking chamber upwardly from the chamber bottom to the chamber top. Associated with the cooking chamber are (i) adjacent the chamber top, directing means for directing gas flow from the conduit means downwardly onto a top of the food product on the support means, and (ii) adjacent the chamber bottom, return means for directing the gas flow from the cooking chamber into the conduit means. Flow means cause gas flow from the directing means via the conduit means.Type: GrantFiled: October 24, 2000Date of Patent: April 23, 2002Assignee: TurboChef Technologies, Inc.Inventors: David H. McFadden, James K. Pool, III, Earl R. Winkelman, John David Gidner
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Patent number: 6178964Abstract: A natural draft combustion system having a housing enclosing at least a portion of a material heating container and at least one combustion space in heat exchange relation with the material heating container and extending from a heat inlet side of the housing to a heat outlet side of the housing. A downward angled burner having a burner outlet in fluid communication with a heat inlet to the at least one combustion space is disposed on the heat inlet side. A natural draft combustion products exhaust conduit in fluid communication with the at least one combustion space is disposed proximate the heat outlet of the housing. As a result, a flame produced by the burner is introduced into the combustion space with a downward velocity component, which, in turn, results in improved efficiency over comparable conventional systems.Type: GrantFiled: September 29, 1999Date of Patent: January 30, 2001Assignee: Gas Research InstituteInventors: David H. McFadden, Anthony Patti, Steven J. Savage, David W. Tucci, Anthony F. Reale
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Patent number: 6138554Abstract: An apparatus for cooking food having a multi-layer cooking plate including a stainless steel sheet layer having a top surface and a bottom surface and a high thermal conductivity material layer metallurgically bonded to the bottom surface of the stainless steel sheet layer so as to provide intimate contact between the entire bottom surface of the stainless steel sheet layer and the high thermal conductivity material layer. Heat to the multi-layer cooking plate is provided by a fuel-fired burner disposed beneath the multi-layer cooking plate.Type: GrantFiled: March 12, 1999Date of Patent: October 31, 2000Assignee: Gas Research InstituteInventors: David H. McFadden, James T. Cole, Stephen A. Mariano, David L. Richardson
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Patent number: 6109255Abstract: A modulating furnace includes a first air flow path which directs supply air to one or more combustion burners and through a heat exchanger, and a second air flow path which directs supply air around the one or more burners and heat exchanger. When the firing rate of the burners is lowered, the amount of air to the burners is reduced by diverting a greater fraction of the supply air to the second air flow path. When the firing rate of the burners is raised, less supply air is diverted resulting in greater flow to the burners. The duct furnace achieves ideal combustion at high and low firing rates by maintaining an ideal balance between firing rates and air supplied to the burners.Type: GrantFiled: February 3, 1999Date of Patent: August 29, 2000Assignee: Gas Research InstituteInventors: John T. Dieckmann, David H. McFadden, Gautum Gauba, Werner Specht