Patents by Inventor David Lee Westfall

David Lee Westfall 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 solenoid structure having elastomeric biasing member
    Patent number: 9368266
    Abstract: An apparatus and method directed to the art of providing an electrically insulative electric solenoid for starting internal combustion engines are provided. The solenoid has a housing; a coil unit within the housing comprising a hollow can with an open end, and a bobbin, an armature, and a bridging contact assembly positioned in the can; a flux washer abutting the open end of the can; a mounting plate abutting the open end of the housing, and an electrically insulative biasing member positioned between the mounting plate and the flux washer and between the mounting plate and the bobbin.
    Type: Grant
    Filed: July 18, 2014
    Date of Patent: June 14, 2016
    Assignee: Trumpet Holdings, Inc.
    Inventors: Dennis A. Maller, David Lee Westfall
  • Electric Solenoid Structure Having Elastomeric Biasing Member
    Publication number: 20160020010
    Abstract: An apparatus and method directed to the art of providing an electrically insulative electric solenoid for starting internal combustion engines are provided. The solenoid has a housing; a coil unit within the housing comprising a hollow can with an open end, and a bobbin, an armature, and a bridging contact assembly positioned in the can; a flux washer abutting the open end of the can; a mounting plate abutting the open end of the housing, and an electrically insulative biasing member positioned between the mounting plate and the flux washer and between the mounting plate and the bobbin.
    Type: Application
    Filed: July 18, 2014
    Publication date: January 21, 2016
    Inventors: Dennis A. Maller, David Lee Westfall