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).

  • Patent number: 8006685
    Abstract: A bleed gas clean-up system for a re-circulating oven.
    Type: Grant
    Filed: October 5, 2005
    Date of Patent: August 30, 2011
    Assignee: Turbochef Technologies, Inc.
    Inventors: David A. Bolton, David H. McFadden
  • Patent number: 7946224
    Abstract: 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: Grant
    Filed: October 30, 2007
    Date of Patent: May 24, 2011
    Assignee: Turbochef Technologies, Inc.
    Inventor: David H. McFadden
  • Patent number: 7886658
    Abstract: 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: Grant
    Filed: October 30, 2007
    Date of Patent: February 15, 2011
    Assignee: Turbochef Technologies, Inc.
    Inventors: David H. McFadden, David A. Bolton
  • Patent number: 7836874
    Abstract: 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: Grant
    Filed: July 7, 2003
    Date of Patent: November 23, 2010
    Assignee: Turbochef Technologies, Inc.
    Inventor: David H McFadden
  • Patent number: 7836875
    Abstract: 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: Grant
    Filed: March 29, 2006
    Date of Patent: November 23, 2010
    Assignee: Turbochef Technologies, Inc.
    Inventors: David H. McFadden, David A. Bolton
  • Publication number: 20080296284
    Abstract: 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: Application
    Filed: October 30, 2007
    Publication date: December 4, 2008
    Applicant: TURBOCHEF TECHNOLOGIES, INC.
    Inventors: David H. McFadden, David A. Bolton
  • Publication number: 20080206420
    Abstract: 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: Application
    Filed: March 14, 2006
    Publication date: August 28, 2008
    Inventor: David H. McFadden
  • Publication number: 20080099008
    Abstract: A bleed gas clean-up system for a re-circulating oven.
    Type: Application
    Filed: October 5, 2005
    Publication date: May 1, 2008
    Inventors: David A. Bolton, David H. McFadden
  • Patent number: 7360533
    Abstract: 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: Grant
    Filed: April 4, 2005
    Date of Patent: April 22, 2008
    Assignee: Turbochef Technologies, Inc.
    Inventor: David H McFadden
  • Patent number: 7055518
    Abstract: 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: Grant
    Filed: July 7, 2003
    Date of Patent: June 6, 2006
    Assignee: Turbochef Technologies, Inc.
    Inventors: David H. McFadden, David A. Bolton
  • Patent number: 6874495
    Abstract: 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: Grant
    Filed: July 7, 2003
    Date of Patent: April 5, 2005
    Inventor: David H McFadden
  • Publication number: 20040216732
    Abstract: 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: Application
    Filed: July 7, 2003
    Publication date: November 4, 2004
    Inventor: David H. McFadden
  • Publication number: 20040211765
    Abstract: 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: Application
    Filed: July 7, 2003
    Publication date: October 28, 2004
    Inventor: David H. McFadden
  • Publication number: 20040123858
    Abstract: 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: Application
    Filed: July 7, 2003
    Publication date: July 1, 2004
    Inventor: David H. McFadden
  • Publication number: 20040118392
    Abstract: 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: Application
    Filed: July 7, 2003
    Publication date: June 24, 2004
    Inventor: David H. McFadden
  • Patent number: 6406522
    Abstract: 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: Grant
    Filed: June 6, 2000
    Date of Patent: June 18, 2002
    Assignee: Gas Research Institute
    Inventors: David H. McFadden, Paul Lukas Brillhart
  • Patent number: 6376817
    Abstract: 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: Grant
    Filed: October 24, 2000
    Date of Patent: April 23, 2002
    Assignee: TurboChef Technologies, Inc.
    Inventors: David H. McFadden, James K. Pool, III, Earl R. Winkelman, John David Gidner
  • Patent number: 6178964
    Abstract: 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: Grant
    Filed: September 29, 1999
    Date of Patent: January 30, 2001
    Assignee: Gas Research Institute
    Inventors: David H. McFadden, Anthony Patti, Steven J. Savage, David W. Tucci, Anthony F. Reale
  • Patent number: 6138554
    Abstract: 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: Grant
    Filed: March 12, 1999
    Date of Patent: October 31, 2000
    Assignee: Gas Research Institute
    Inventors: David H. McFadden, James T. Cole, Stephen A. Mariano, David L. Richardson
  • Patent number: 6109255
    Abstract: 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: Grant
    Filed: February 3, 1999
    Date of Patent: August 29, 2000
    Assignee: Gas Research Institute
    Inventors: John T. Dieckmann, David H. McFadden, Gautum Gauba, Werner Specht