Patents by Inventor William Winkelhake

William Winkelhake 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).

  • Trim retainer
    Patent number: 5868493
    Abstract: A trim-ring auxiliary member system for capturing and supporting an auxiliary member relative to an interior and an open end of a lighting housing. The housing includes an annular groove formed in an interior of the housing. The groove is axially spaced from an open end of the housing. A support spring member is removably secured to the interior of the housing and disposed within and retained by the groove. A connecting spring removably attaches the auxiliary member to the support spring member.
    Type: Grant
    Filed: January 27, 1997
    Date of Patent: February 9, 1999
    Assignee: Cooper Industries, Inc.
    Inventor: William Winkelhake
  • Trim retainer
    Patent number: 5597234
    Abstract: A trim-ring auxiliary member system for capturing and supporting an auxiliary member relative to an interior and an open end or a lighting housing. The housing includes an annular groove formed in an interior of the housing. The groove is axially spaced from an open end of the housing. A support spring member is removably secured to the interior of the housing and disposed within and retained by the groove. A connecting spring removably attaches the auxiliary member to the support spring member.
    Type: Grant
    Filed: May 2, 1994
    Date of Patent: January 28, 1997
    Assignee: Cooper Industries, Inc.
    Inventor: William Winkelhake