Patents by Inventor Larry Fey Johnson

Larry Fey Johnson 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).

  • Patent number: 9116787
    Abstract: A control system for mobile heavy equipment machinery includes an electronic control module for receiving and processing pulse width modulated control signals. There is a programmable logic controller (PLC) that receives position sensor generated input signals selectively from manual and remote sources. The PLC processes the input signals and transmits such signals in pulse width modulated format to the electronic control module, which processes the signals and directs corresponding output signals to control operation of the equipment.
    Type: Grant
    Filed: June 27, 2013
    Date of Patent: August 25, 2015
    Assignee: Marden Industries, Inc.
    Inventor: Larry Fey Johnson