Patents by Inventor Robert N Harper

Robert N Harper 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).

  • HYBRID CONTROL FOR A BACKHOE LOADER
    Publication number: 20210172154
    Abstract: A backhoe loader has a backhoe assembly and a loader assembly. The backhoe loader has first and second control sticks configured to output a first set of electronic signals and a second set of electronic signals, respectively. In some arrangements, the first and second set of electronic signals are used to control operation of the backhoe assembly. In other arrangements, the first set of electronic signals is used to control operation of the loader assembly. In still other arrangements, the first set of electronic signals is used to control operation of the loader assembly and the second set of electronic signals is used to control operation of the backhoe assembly.
    Type: Application
    Filed: December 9, 2019
    Publication date: June 10, 2021
    Applicant: Caterpillar Inc.
    Inventors: Andrew P. Bachle, Christopher E. Bright, Robert N Harper, Robert Conrad