Patents by Inventor Nathan R. Werkheiser

Nathan R. Werkheiser 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).

  • Tread cap and related methods of use and manufacture
    Patent number: 11708697
    Abstract: A capping apparatus for covering a pre-existing stair structure can include: a tread element; and a trim piece attached to the tread element proximate a longitudinal edge of the tread element. The trim piece includes a back surface defining: a first recess for receiving a thick sub-tread for a first type of pre-existing stair structure; and a second recess for receiving a thin sub-tread for a second type of pre-existing stair structure. Methods of manufacturing and installing the capping apparatus are described.
    Type: Grant
    Filed: May 26, 2021
    Date of Patent: July 25, 2023
    Assignee: Zamma Corporation, Inc.
    Inventors: William Bremer, Nathan R. Werkheiser, Nicholas D. Buser, Russell W. Marks
  • TREAD CAP AND RELATED METHODS OF USE AND MANUFACTURE
    Publication number: 20220381038
    Abstract: A capping apparatus for covering a pre-existing stair structure can include: a tread element; and a trim piece attached to the tread element proximate a longitudinal edge of the tread element. The trim piece includes a back surface defining: a first recess for receiving a thick sub-tread for a first type of pre-existing stair structure; and a second recess for receiving a thin sub-tread for a second type of pre-existing stair structure. Methods of manufacturing and installing the capping apparatus are described.
    Type: Application
    Filed: May 26, 2021
    Publication date: December 1, 2022
    Inventors: William Bremer, Nathan R. Werkheiser, Nicholas D. Buser, Russell W. Marks
  • Stair tread
    Patent number: D997386
    Type: Grant
    Filed: May 26, 2021
    Date of Patent: August 29, 2023
    Assignee: Zamma Corporation, Inc.
    Inventors: William Bremer, Nathan R. Werkheiser, Nicholas D. Buser, Russell W. Marks