Patents by Inventor Grant DUFFY

Grant DUFFY 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).

  • LOAD DETECTION FOR AN AERIAL LIFT ASSEMBLY
    Publication number: 20210354968
    Abstract: An aerial lift assembly is provided with a chassis. A linkage assembly is provided with a plurality of pivotally connected links. The linkage assembly is mounted to the chassis to extend and retract from the chassis. A platform is supported upon the linkage assembly to extend and retract from the chassis. A load sensor is provided upon a pivotal connection of one of the plurality of links of the linkage assembly.
    Type: Application
    Filed: May 12, 2021
    Publication date: November 18, 2021
    Inventors: Ben Vander GRIEND, Branden CATTANACH, Grant DUFFY