Patents by Inventor Nickolas J. Gretz

Nickolas J. Gretz 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).

  • Valve cap adapter and arrangement and method of removing a valve cap
    Patent number: 11274765
    Abstract: Method of removing a valve cap threadedly engaged with a valve body includes inserting at least one coupling rod from a cap adapter through a valve cap attachment hole to couple the structures, coupling an output drive of a torque multiplier with the adapter, and exerting an input torque on the torque multiplier to rotate the adapter and valve cap, the input torque exerted on the torque multiplier being increased by the torque multiplier.
    Type: Grant
    Filed: June 8, 2020
    Date of Patent: March 15, 2022
    Assignee: Caterpillar Inc.
    Inventors: Robert E. Riedel, Jr., Nickolas J. Gretz, James D. McPhail
  • Valve Cap Adapter and Arrangement and Method of Removing a Valve Cap
    Publication number: 20210381615
    Abstract: Method of removing a valve cap threadedly engaged with a valve body includes inserting at least one coupling rod from a cap adapter through a valve cap attachment hole to couple the structures, coupling an output drive of a torque multiplier with the adapter, and exerting an input torque on the torque multiplier to rotate the adapter and valve cap, the input torque exerted on the torque multiplier being increased by the torque multiplier.
    Type: Application
    Filed: June 8, 2020
    Publication date: December 9, 2021
    Applicant: Caterpillar Inc.
    Inventors: Robert E. Riedel, JR., Nickolas J. Gretz, James D. McPhail
  • Valve cap adapter
    Patent number: D992690
    Type: Grant
    Filed: June 8, 2020
    Date of Patent: July 18, 2023
    Assignee: Caterpillar Inc.
    Inventors: Robert E. Riedel, Jr., Nickolas J. Gretz, James D. McPhail