Patents by Inventor William Thomas Harty

William Thomas Harty 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).

  • Reciprocating engine
    Patent number: 6552450
    Abstract: A reciprocating engine has at least one cylinder forming an inner chamber, at least one piston reciprocatingly movable in the inner chamber of the at least one cylinder, a unit for converting a reciprocating movement of the piston to move an outside object, a unit for reciprocatingly moving the at least one piston in the at least one cylinder the reciprocatingly moving unit including magnet elements with at least one electromagnet connected with the cylinder and at least another electromagnet connected with the piston, so that when a polarity of the magnet elements is changed, a magnetic interaction of the electromagnets with one another causes the reciprocating movement of the piston.
    Type: Grant
    Filed: June 12, 2001
    Date of Patent: April 22, 2003
    Inventors: William Thomas Harty, John Thomas Harty
  • Reciprocating engine
    Publication number: 20020185920
    Abstract: A reciprocating engine has at least one cylinder forming an inner chamber, at least one piston reciprocatingly movable in the inner chamber of the at least one cylinder, a unit for converting a reciprocating movement of the piston to move an outside object, a unit for reciprocatingly moving the at least one piston in the at least one cylinder the reciprocatingly moving unit including magnet elements with at least one electromagnet connected with the cylinder and at least another electromagnet connected with the piston, so that when a polarity of the magnet elements is changed, a magnetic interaction of the electromagnets with one another causes the reciprocating movement of the piston.
    Type: Application
    Filed: June 12, 2001
    Publication date: December 12, 2002
    Inventors: William Thomas Harty, John Thomas Harty