Patents by Inventor Robin Varghese

Robin Varghese 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).

  • Center pintle hub
    Patent number: 11220801
    Abstract: A center pintle hub to be affixed to a base of a machine. The center pintle hub includes a base portion and a support portion. The base portion is formed to be affixed to the base. The support portion extends from the base portion and has a frusto-conical shape that can receive a center pintle shaft. The center pintle shaft can support a frame of the machine and provide rotation of the frame with respect to the base.
    Type: Grant
    Filed: July 17, 2019
    Date of Patent: January 11, 2022
    Assignee: Caterpillar Global Mining LLC
    Inventors: Joe A. Rapp, Cheng-Kong C. Wu, Vladimir A. Korchagin, Aruna Kinjarapu, Robin Varghese
  • CENTER PINTLE HUB
    Publication number: 20210017735
    Abstract: A center pintle hub to be affixed to a base of a machine. The center pintle hub includes a base portion and a support portion. The base portion is formed to be affixed to the base. The support portion extends from the base portion and has a frusto-conical shape that can receive a center pintle shaft. The center pintle shaft can support a frame of the machine and provide rotation of the frame with respect to the base.
    Type: Application
    Filed: July 17, 2019
    Publication date: January 21, 2021
    Applicant: Caterpillar Inc.
    Inventors: Joe A. Rapp, Cheng-Kong C. Wu, Vladimir A. Korchagin, Aruna Kinjarapu, Robin Varghese
  • Modular hoist drum for power shovel
    Patent number: 10144622
    Abstract: A modular hoist drum is disclosed for use with a power shovel. The modular hoist drum may have a first outer body, a second outer body, and an anchor body that are hollow and generally cylindrical. The anchor body is connected between the first outer body and the second outer body. The anchor body may include an internal anchor configured to receive a ferrule.
    Type: Grant
    Filed: June 6, 2016
    Date of Patent: December 4, 2018
    Assignee: Caterpillar Global Mining LLC
    Inventors: Aruna Kinjarapu, Robin Varghese, Sivakumar Subramaniam, Tridib K. Das, Joseph A. Rapp, Narendra Thippappa, Gurbachan S. Bumraw
  • MODULAR HOIST DRUM FOR POWER SHOVEL
    Publication number: 20170349415
    Abstract: A modular hoist drum is disclosed for use with a power shovel. The modular hoist drum may have a first outer body, a second outer body, and an anchor body that are hollow and generally cylindrical. The anchor body is connected between the first outer body and the second outer body. The anchor body may include an internal anchor configured to receive a ferrule.
    Type: Application
    Filed: June 6, 2016
    Publication date: December 7, 2017
    Applicant: Caterpillar Global Mining LLC
    Inventors: Aruna Kinjarapu, Robin Varghese, Sivakumar Subramaniam, Tridib K. Das, Joseph A. Rapp, Narendra Thippappa, Gurbachan S. Bumraw