Patents by Inventor John B. Hessling, III

John B. Hessling, III 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).

  • Publication number: 20220372734
    Abstract: A lever-operated motor grader can include a front end including a pair of steerable tires connected to the front end; a rear end pivotally connected to the front end at an articulation joint, the rear end including a power source operatively coupled to at least two driven tires; a drawbar-circle-moldboard assembly having a blade, the drawbar-circle-moldboard assembly configured for moving the blade into various orientations, the blade movement controlled by a hydraulic system coupled to one or more operator-controlled levers of the motor grader; a controller; and a pressure sensor coupled to the hydraulic system of the blade to deliver to the controller a signal corresponding to a pressure of the hydraulic system; wherein the controller receives the signal corresponding to the pressure of the hydraulic system, and wherein the controller is configured to determine an application of the motor grader based on the received signal.
    Type: Application
    Filed: May 24, 2021
    Publication date: November 24, 2022
    Applicant: Caterpillar Inc.
    Inventors: Jeremy G. Valeck, John B. Hessling, III