Patents by Inventor Robert J. Ehmke

Robert J. Ehmke 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).

  • Frame assembly for a fireplace opening
    Patent number: 5167219
    Abstract: A frame assembly (10) for a fireplace opening (12) comprises a frame member (24) and a clip (26). The frame member (24) includes segments (28, 30, 32, and 34) of discrete length that are fitted to sidewall portions (14, 16, 18, and 20) of the fireplace opening (12). The frame member (24) has semicircular channel (46) and an access opening (48) to the channel that are directed longitudinally along the length of the frame member (24). The clip (26) includes a lip (72) that is sized to be received within the semicircular channel (46) of the frame member (24), the clip (26) being slidable or otherwise positionable at desired locations along the length of any of the segments (28, 30, 32, and 34). The clip (26) extends outwardly from the frame member (24) for attachment to the sidewall portions (14, 16, 18, and 20) of the fireplace opening ( 12) by a fastener (90) that extends through an aperture (76) in the clip (26).
    Type: Grant
    Filed: March 14, 1991
    Date of Patent: December 1, 1992
    Assignee: Design Specialties, Inc.
    Inventor: Robert J. Ehmke
  • Corner fireplace doors and panel
    Patent number: D281527
    Type: Grant
    Filed: August 29, 1983
    Date of Patent: November 26, 1985
    Inventor: Robert J. Ehmke
  • Fireplace door
    Patent number: D320849
    Type: Grant
    Filed: May 8, 1989
    Date of Patent: October 15, 1991
    Assignee: Design Specialties, Inc.
    Inventor: Robert J. Ehmke
  • Structural extrusion
    Patent number: D344595
    Type: Grant
    Filed: June 29, 1992
    Date of Patent: February 22, 1994
    Assignee: Design Specalties Inc.
    Inventors: Robert J. Ehmke, David J. Schmitz
  • Structural extrusion
    Patent number: D344598
    Type: Grant
    Filed: June 29, 1992
    Date of Patent: February 22, 1994
    Assignee: Design Specialties, Inc.
    Inventors: Robert J. Ehmke, David J. Schmitz
  • Structural extrusion
    Patent number: D344599
    Type: Grant
    Filed: June 29, 1992
    Date of Patent: February 22, 1994
    Assignee: Design Specialties, Inc.
    Inventors: Robert J. Ehmke, David J. Schmitz
  • Structural extrusion
    Patent number: D344808
    Type: Grant
    Filed: June 29, 1992
    Date of Patent: March 1, 1994
    Assignee: Design Specialties, Inc.
    Inventors: Robert J. Ehmke, Timothy J. Nolan
  • Structural extrusion
    Patent number: D346033
    Type: Grant
    Filed: June 29, 1992
    Date of Patent: April 12, 1994
    Assignee: Design Specialties, Inc.
    Inventors: Robert J. Ehmke, Timothy J. Nolan