Patents by Inventor Mark L. Whittemore

Mark L. Whittemore 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: 7834737
    Abstract: An ignition apparatus includes a transformer having a central core, a primary winding disposed thereabout, a secondary winding disposed outwardly of the primary winding, a case configured to house the central components, and an outer core or shield disposed outwardly of the secondary winding. The central core is formed from multiple, low carbon steel wires held together is a cylindrical shape with cured bond coating material such as an epoxy material or an aromatic polyamide material. In one configuration, at least two different sizes of wires are used in forming the core to increase the density of the magnetically-permeable wire material in the core.
    Type: Grant
    Filed: September 10, 2007
    Date of Patent: November 16, 2010
    Assignee: Delphi Technologies, Inc.
    Inventors: Edgard Wolf, Albert A. Skinner, Colin J. Hamer, Mark L. Whittemore
  • Publication number: 20090066464
    Abstract: An ignition apparatus includes a transformer having a central core, a primary winding disposed thereabout, a secondary winding disposed outwardly of the primary winding, a case configured to house the central components, and an outer core or shield disposed outwardly of the secondary winding. The central core is formed from multiple, low carbon steel wires held together is a cylindrical shape with cured bond coating material such as an epoxy material or an aromatic polyamide material. In one configuration, at least two different sizes of wires are used in forming the core to increase the density of the magnetically-permeable wire material in the core.
    Type: Application
    Filed: September 10, 2007
    Publication date: March 12, 2009
    Inventors: Edgard Wolf, Albert A. Skinner, Colin J. Hamer, Mark L. Whittemore
  • Patent number: 5497301
    Abstract: A headlamp mounting arrangement is provided including a screw with a first end for connection with a headlamp and a second end extending toward a vehicle panel aperture; a retainer body having a base engaged with the vehicle panel in a nonrotative fashion, the retainer body having a head portion extending from the base encircling and mounting the screw and also having an aperture aligned with the screw; a barb piece having a central opening allowing penetration of the screw and also having a head nonrotatively engaged with the base of the retainer body and at least partially encircled thereby, the barb piece head having an outer threaded periphery, the barb piece also having extending from the head through a panel aperture a plurality of legs with outer gripping surfaces extending radially outwardly for contacting an edge of the aperture rim generally opposite the headlamp; and a nut with a central aperture for passage of the retainer body head, the nut having inner threads for threaded engagement of the barb
    Type: Grant
    Filed: February 13, 1995
    Date of Patent: March 5, 1996
    Assignee: General Motors Corporation
    Inventors: David R. Mc Mahan, Mark L. Whittemore, Thomas B. Slick, Tom Sweetland, Steven V. Horsman, Carey D. Marks, Jan A. Wisler, Eric S. Donovan, Brian E. Witte