Patents by Inventor David E. Overdorff, II

David E. Overdorff, II 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).

  • High efficiency take-off fitting
    Patent number: 10436369
    Abstract: A high efficiency take-off fitting allows conditioned air from a rectangular cross-section main duct to be smoothly transferred into a circular cross-section branch duct.
    Type: Grant
    Filed: August 13, 2013
    Date of Patent: October 8, 2019
    Assignee: Ductmate Industries, Inc.
    Inventors: Alvin L. Jefferson, David E. Overdorff, II, Duane Fetko, Branden Butella, David Agee
  • High Efficiency Take-Off Fitting
    Publication number: 20140049038
    Abstract: A high efficiency take-off fitting allows conditioned air from a rectangular cross-section main duct to be smoothly transferred into a circular cross-section branch duct.
    Type: Application
    Filed: August 13, 2013
    Publication date: February 20, 2014
    Applicant: Ductmate Industries, Inc.
    Inventors: Alvin L. Jefferson, David E. Overdorff, II, Duane Fetko, Branden Butella, David Agee
  • Rectangular Sheet Metal Sealed Duct
    Publication number: 20140048167
    Abstract: A rectangular cross-section sheet metal duct system that is automatically sealed when assembled prevents or reduces leakage of air from the duct system.
    Type: Application
    Filed: August 13, 2013
    Publication date: February 20, 2014
    Applicant: Ductmate Industries, Inc.
    Inventors: Douglas G. Gudenburr, Alvin L. Jefferson, David E. Overdorff, II
  • Residential Ductwork System
    Publication number: 20140052417
    Abstract: A high efficiency HVAC duct system for residential ductwork that is useable for multiple residential houses and is sealed from the manufacturing process.
    Type: Application
    Filed: August 14, 2013
    Publication date: February 20, 2014
    Applicant: Ductmate Industries, Inc.
    Inventors: Douglas G. Gudenburr, Alvin L. Jefferson, Branden Butella, David Agee, David E. Overdorff, II, Duane Fetko