Patents by Inventor Martyn James CRAWFORD

Martyn James CRAWFORD 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: 20210380084
    Abstract: A method for controlling a machine during a transition from a service brake state to a parking brake includes receiving, by a control module, a request for activating a parking brake assembly. The method also includes transmitting, by the control module, control signals for activating a set of first brakes associated with a service brake assembly, a set of second brakes associated with the service brake assembly, and a clutch assembly. The method further includes controlling, by the control module, the set of first brakes for deactivating the set of first brakes. The method includes controlling, by the control module, the parking brake assembly for activating the parking brake assembly. The method also includes controlling, by the control module, the set of second brakes for deactivating the set of second brakes. The method further includes controlling, by the control module, the clutch assembly for deactivating the clutch assembly.
    Type: Application
    Filed: June 2, 2021
    Publication date: December 9, 2021
    Applicant: Caterpillar Underground Mining Pty. Ltd.
    Inventors: Alexander Eli DOWLING, Jason Prakash WIGG, Brodie Lee THOMPSON, Suneel Venkata KANDULA, Sai Praveen GUNDLAPALLI, Martyn James CRAWFORD