Patents by Inventor James H. McConkey

James H. McConkey 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).

  • Emission filter
    Patent number: 5912370
    Abstract: An emission filter is provided including a tube attachment removably coupled to an exhaust pipe. A filter is mounted on the tube for filtering exhaust emitted from the exhaust pipe.
    Type: Grant
    Filed: February 12, 1998
    Date of Patent: June 15, 1999
    Inventor: James H. McConkey
  • Wood-burning furnace
    Patent number: D262650
    Type: Grant
    Filed: December 21, 1978
    Date of Patent: January 12, 1982
    Inventor: James H. McConkey