Patents by Inventor David K. Puterbaugh

David K. Puterbaugh 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).

  • Electric motors for washdown, food processing, and chemical applications
    Patent number: 7042124
    Abstract: An electric motor includes a motor casing, a stator assembly, a rotor shaft assembly, first and second end bells, respectively, attached to each end of the motor casing, and an electrical inlet in the motor casing for supplying power to the motor. The motor further includes a first bearing assembly housed in the first end bell and a second bearing assembly housed in the second end bell. Both bearing assemblies and support the rotor shaft assembly and seal the interior of the motor casing from moisture. The motor also includes a heat-conductive solid resin that encapsulates the stator assembly.
    Type: Grant
    Filed: October 3, 2003
    Date of Patent: May 9, 2006
    Assignee: Franklin Electric Co., Inc.
    Inventors: David K. Puterbaugh, David F. Kowalczyk, Kent J. Markley, Vernon Brooks