Patents by Inventor Dennis Westphal

Dennis Westphal 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).

  • Window balance cam housing
    Patent number: 6151832
    Abstract: A window balance cam housing has a body generally in the form of a rectangular prism having a generally cylindrical bore therethrough. The body has a bottom side, a top side, a right side, a left side, a near side, and a far side. The generally cylindrical bore extends between the near side and the far side and has a portion of more narrow diameter between the right side and the left side respectively. The top side has a gap defined therein, permitting flexing to change the separation between the right side and the left side. Brake shoes are provided on each of the right side and the left side. A first pair of vertical ridges extends symmetrically outward from the near side and the far side. A second pair of vertical ridges extends symmetrically outward from the near side and the far side, the second pair of vertical ridges being higher than the first pair.
    Type: Grant
    Filed: February 19, 1999
    Date of Patent: November 28, 2000
    Assignee: CertainTeed Corporation
    Inventors: Brian C. Opielski, Jeffrey B. Hersh, Dennis Westphal
  • Patio door panel interlock sash extrusion
    Patent number: D535407
    Type: Grant
    Filed: December 6, 2005
    Date of Patent: January 16, 2007
    Assignee: Certain Teed Corp.
    Inventors: Dennis Westphal, Jerome Carl Habeck
  • Patio door panel sash extrusion with weatherstripping
    Patent number: D537173
    Type: Grant
    Filed: December 6, 2005
    Date of Patent: February 20, 2007
    Assignee: CertainTeed Corp
    Inventors: Dennis Westphal, Jerome Habeck
  • Patio door panel upper left hand corner bracket connector
    Patent number: D553484
    Type: Grant
    Filed: December 6, 2005
    Date of Patent: October 23, 2007
    Assignee: Certainteed Corp.
    Inventors: Dennis Westphal, Jerome Habeck
  • Patio door panel upper left hand corner bracket connector
    Patent number: D553967
    Type: Grant
    Filed: December 6, 2005
    Date of Patent: October 30, 2007
    Assignee: Certainteed Corp.
    Inventors: Dennis Westphal, Jerome Habeck
  • Window component extrusion
    Patent number: D407504
    Type: Grant
    Filed: March 14, 1997
    Date of Patent: March 30, 1999
    Assignee: CertainTeed Corporation
    Inventors: Jeffrey B. Hersh, Christopher Wetmore, Dennis Westphal
  • Window component extrusion
    Patent number: D407505
    Type: Grant
    Filed: March 14, 1997
    Date of Patent: March 30, 1999
    Assignee: CertainTeed Corporation
    Inventors: Jeffrey B. Hersh, Christopher Wetmore, Dennis Westphal
  • Window component extrusion
    Patent number: D407506
    Type: Grant
    Filed: March 14, 1997
    Date of Patent: March 30, 1999
    Assignee: CertainTeed Corporation
    Inventors: Jeffrey B. Hersh, Christopher Wetmore, Dennis Westphal
  • Window component extrusion
    Patent number: D414277
    Type: Grant
    Filed: December 29, 1998
    Date of Patent: September 21, 1999
    Assignee: CertainTeed Corporation
    Inventors: Jeffrey B. Hersh, Dennis Westphal, Brian Opielski, Jerome C. Habeck
  • Window component extrusion
    Patent number: D417919
    Type: Grant
    Filed: March 14, 1997
    Date of Patent: December 21, 1999
    Assignee: CertainTeed Corporation
    Inventors: Jeffrey B. Hersh, Christopher Wetmore, Dennis Westphal
  • Window component extrusion
    Patent number: D419244
    Type: Grant
    Filed: December 29, 1998
    Date of Patent: January 18, 2000
    Assignee: CertainTeed Corporation
    Inventors: Jeffrey B. Hersh, Dennis Westphal, Brian Opielski, Jerome C. Habeck
  • Window component extrusion
    Patent number: D419693
    Type: Grant
    Filed: December 29, 1998
    Date of Patent: January 25, 2000
    Assignee: CertainTeed Corporation
    Inventors: Jeffrey B. Hersh, Dennis Westphal
  • Window component extrusion
    Patent number: D419694
    Type: Grant
    Filed: December 29, 1998
    Date of Patent: January 25, 2000
    Assignee: CertainTeed Corporation
    Inventors: Jeffrey B. Hersh, Dennis Westphal, Brian Opielski, Jerome C. Habeck
  • Window component extrusion
    Patent number: D419695
    Type: Grant
    Filed: December 29, 1998
    Date of Patent: January 25, 2000
    Assignee: CertainTeed Corporation
    Inventors: Jeffrey B. Hersh, Dennis Westphal
  • Window component extrusion
    Patent number: D420149
    Type: Grant
    Filed: December 29, 1998
    Date of Patent: February 1, 2000
    Assignee: CertainTeed Corporation
    Inventors: Jeffrey B. Hersh, Dennis Westphal
  • Window component extrusion
    Patent number: D420150
    Type: Grant
    Filed: December 29, 1998
    Date of Patent: February 1, 2000
    Assignee: CertainTeed Corporation
    Inventors: Jeffrey B. Hersh, Dennis Westphal
  • Window component extrusion
    Patent number: D420453
    Type: Grant
    Filed: December 29, 1998
    Date of Patent: February 8, 2000
    Assignee: CertainTeed Corporation
    Inventors: Jeffrey B. Hersh, Dennis Westphal, Brian Opielski, Jerome C. Habeck
  • Window component extrusion
    Patent number: D420753
    Type: Grant
    Filed: February 7, 1997
    Date of Patent: February 15, 2000
    Assignee: CertainTeed Corporation
    Inventors: Brian C. Opielski, Jeffrey B. Hersh, Ann Moss, Dennis Westphal
  • Window component extrusion
    Patent number: D422093
    Type: Grant
    Filed: December 29, 1998
    Date of Patent: March 28, 2000
    Assignee: CertainTeed Corporation
    Inventors: Jeffrey B. Hersh, Dennis Westphal, Brian Opielski, Jerome C. Habeck
  • Window component extrusion
    Patent number: D424710
    Type: Grant
    Filed: December 29, 1998
    Date of Patent: May 9, 2000
    Assignee: CertainTeed Corporation
    Inventors: Jeffrey B. Hersh, Dennis Westphal, Brian Opielski, Jerome C. Habeck