Patents by Inventor John D. Jacob

John D. Jacob 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).

  • Power supply control system for a vehicle trailer
    Patent number: 7498687
    Abstract: A controller is usable with a tractor that has a power supply and a trailer that has first and second auxiliary devices. The controller is configured to selectively enable and disable each of the auxiliary devices based on a predetermined set of device disabling conditions wherein: When any of the device disabling conditions occurs, then both auxiliary devices are disabled. When none of the device disabling conditions occurs then, when a first device-selecting condition occurs then the first auxiliary device is enabled and the second auxiliary device is disabled. And when a second device-selecting condition occurs then the second auxiliary device is enabled and the first auxiliary device is disabled.
    Type: Grant
    Filed: November 17, 2006
    Date of Patent: March 3, 2009
    Assignee: R.A. Phillips Industries, Inc.
    Inventors: Gregory William Kinsey, John D. Jacob