Patents by Inventor Beth Ann Howe

Beth Ann Howe 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).

  • Metal-phosphate binders
    Patent number: 7531034
    Abstract: A metal-phosphate binder is provided. The binder may include an aqueous phosphoric acid solution, a metal-cation donor including a metal other than aluminum, an aluminum-cation donor, and a non-carbohydrate electron donor.
    Type: Grant
    Filed: May 31, 2005
    Date of Patent: May 12, 2009
    Assignee: Caterpillar Inc.
    Inventors: Beth Ann Howe, Jesus Guadalupe Chaps-Cabrera
  • Thermoelectric device
    Publication number: 20080017238
    Abstract: A thermoelectric device includes a plurality of n-type thermoelectric elements and a plurality of p-type thermoelectric elements. These thermoelectric elements each have multiple end surfaces that are substantially parallel to each other, and include terminals attached to the end surfaces. The thermoelectric elements also include a support structure with an external surface covered by multiple layers of a thermoelectric material and a flexible substrate. The thermoelectric device also includes a plurality of conductive members which electrically interconnect the thermoelectric elements.
    Type: Application
    Filed: July 21, 2006
    Publication date: January 24, 2008
    Inventors: Dong Fei, Mahmoud A. Taher, Bao Feng, Leonard George Wheat, Beth Ann Howe