Patents by Inventor Sam K. Hartwick

Sam K. Hartwick 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).

  • Patent number: 7410141
    Abstract: A hanger assembly for attaching to framing. The framing has a first vertical wall and a second vertical wall. The framing also has a top and a bottom. The framing has two bearing surfaces that form a plane that is located between the top of the framing and the bottom of the framing. The two bearing surfaces form a slot that allows access to the interior of the framing. The hanger assembly includes a nut that engages the two bearing surfaces of the framing. The nut has a first thread. The hanger assembly also includes a threaded rod that contains a second thread that engages the first thread. The hanger assembly also includes a coupler that contains a third thread that engages the second thread. The distance between the nut and the coupling changes when the coupling is rotated with respect to the nut.
    Type: Grant
    Filed: October 25, 2004
    Date of Patent: August 12, 2008
    Assignee: Illinois Tool Works Inc.
    Inventor: Sam K. Hartwick
  • Patent number: 7410140
    Abstract: An industrial hanger assembly for attaching to a truss. The industrial hanger assembly includes a first member, a portion of which is operable to fit within a gap between the inner surface of a first angle iron and the inner surface of a second angle iron. The first member can contact the upper surface(s) of the first angle iron and/or the second angle iron. The first member can contact an outer surface(s) of the first angle iron and/or the second angle iron. The industrial hanger assembly also includes a second member that is coupled (directly or indirectly) to the first member. The first member can contact a lower surface(s) of the first angle iron and/or the second angle iron.
    Type: Grant
    Filed: August 15, 2003
    Date of Patent: August 12, 2008
    Assignee: Illinois Tool Works Inc.
    Inventor: Sam K. Hartwick