Patents by Inventor Roger Roy Pili

Roger Roy Pili 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).

  • Industrial tool and drive system for same
    Patent number: 11135706
    Abstract: A drive system for an industrial tool (e.g., a hydraulic torque wrench) includes a cylinder, a first piston, a first rod, a second piston, and a second rod. The cylinder includes a first end, a second end, and a longitudinal axis extending therebetween. The first piston is disposed within the cylinder and movable along the longitudinal axis. The first rod is coupled to the first piston and extends toward the first end of the cylinder. The second piston is disposed within the cylinder and movable along the longitudinal axis. The second rod is coupled to the second piston and extends toward the first end of the cylinder.
    Type: Grant
    Filed: October 8, 2018
    Date of Patent: October 5, 2021
    Assignee: Enerpac Tool Group Corp.
    Inventors: Nathan Adam Hughes, Roger Roy Pili
  • INDUSTRIAL TOOL AND DRIVE SYSTEM FOR SAME
    Publication number: 20190105762
    Abstract: A drive system for an industrial tool (e.g., a hydraulic torque wrench) includes a cylinder, a first piston, a first rod, a second piston, and a second rod. The cylinder includes a first end, a second end, and a longitudinal axis extending therebetween. The first piston is disposed within the cylinder and movable along the longitudinal axis. The first rod is coupled to the first piston and extends toward the first end of the cylinder. The second piston is disposed within the cylinder and movable along the longitudinal axis. The second rod is coupled to the second piston and extends toward the first end of the cylinder.
    Type: Application
    Filed: October 8, 2018
    Publication date: April 11, 2019
    Inventors: Nathan Adam Hughes, Roger Roy Pili