Patents by Inventor David W. Wilks

David W. Wilks 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).

  • Evaporator lift
    Patent number: 4583712
    Abstract: A method and apparatus for lifting and temporarily supporting an evaporator coil cabinet. The apparatus is place on opposite sides of the cabinet and includes a leg member in telescopic engagement with a threaded shaft. The shaft has a platform on one end thereof which is placed beneath an edge of the cabinet. A hand nut in threaded engagement with the shaft rests atop a shoulder on the leg member. As the hand nut is rotated, the shaft and platform are urged upward, thereby lifting and supporting the cabinet.
    Type: Grant
    Filed: October 29, 1984
    Date of Patent: April 22, 1986
    Inventor: David W. Wilks