Patents by Inventor Donald R. Matheson

Donald R. Matheson 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).

  • Auxiliary electric drive system and vehicle using same
    Patent number: 10479184
    Abstract: An electric drive system adapted to utilize an existing vehicle with a combustion engine and to add an electric drive capability. Components of the system may be implemented rearward of the vehicle engine and transmission along the drivetrain. In some aspects, the system allows for combustions engine, electric motor, or combination powering of the vehicle. In some aspects, the vehicle's original secondary systems, such as air conditioning, and power steering, are able to be used in the electric motor only drive mode.
    Type: Grant
    Filed: September 30, 2011
    Date of Patent: November 19, 2019
    Assignee: EVAOS, INC.
    Inventor: Donald R. Matheson
  • Auxillary Electric Drive System and Vehicle Using Same
    Publication number: 20120090911
    Abstract: An electric drive system adapted to utilize an existing vehicle with a combustion engine and to add an electric drive capability. Components of the system may be implemented rearward of the vehicle engine and transmission along the drivetrain. In some aspects, the system allows for combustions engine, electric motor, or combination powering of the vehicle. In some aspects, the vehicle's original secondary systems, such as air conditioning, and power steering, are able to be used in the electric motor only drive mode.
    Type: Application
    Filed: September 30, 2011
    Publication date: April 19, 2012
    Inventor: Donald R. Matheson