Patents by Inventor Lee Houk

Lee Houk 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).

  • Floor sink filter basket
    Patent number: 6537448
    Abstract: A plastic floor drain for use with a floor sink in which a thin lip is provided around the outside of an upper edge to provide good engagement with the sides of the floor sink to prevent leakage between the sides of the floor sink and the sides of the floor drain. Also, in order to provide controlled nesting, a recess and interacting tabs are provided to control the depth of nesting. An alternative structure to provide controlled nesting is a recess in each side that provides an inside projecting surface on which an upper filter basket floor rests.
    Type: Grant
    Filed: December 8, 2000
    Date of Patent: March 25, 2003
    Inventor: Lee Houk
  • Floor sink filter basket
    Publication number: 20020070151
    Abstract: A plastic floor drain for use with a floor sink in which a thin lip is provided around the outside of an upper edge to provide good engagement with the sides of the floor sink to prevent leakage between the sides of the floor sink and the sides of the floor drain. Also, in order to provide controlled nesting, a recess and interacting tabs are provided to control the depth of nesting. An alternative structure to provide controlled nesting is a recess in each side that provides an inside projecting surface on which an upper filter basket floor rests.
    Type: Application
    Filed: December 8, 2000
    Publication date: June 13, 2002
    Inventor: Lee Houk