Patents by Inventor Jason J. Trotnow

Jason J. Trotnow 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).

  • Hoist drum for power shovel
    Patent number: 10538896
    Abstract: A hoist drum is disclosed for use with a power shovel. The hoist drum may have a body that is hollow and generally cylindrical, and an anchor connected to an outer annular surface of the body. The hoist drum may also have at least one stiffener located inside the body and extending in an axial direction of the body across the anchor.
    Type: Grant
    Filed: February 27, 2015
    Date of Patent: January 21, 2020
    Assignee: Caterpillar Global Mining LLC
    Inventors: Jason J. Trotnow, Gurbachan S. Bumraw
  • Drop line tensioning assembly
    Patent number: 9670644
    Abstract: A tensioning assembly including a primary rod and a hydraulic jack. The primary rod being positioned adjacent to a center section of the hydraulic jack. The tensioning assembly further including a frame housing anchored to the hydraulic jack. The tensioning assembly also includes a link rod connected to the primary rod and a primary adjusting and a secondary adjusting nut associated with the link rod to adjust the tension of a cable or line.
    Type: Grant
    Filed: August 27, 2014
    Date of Patent: June 6, 2017
    Assignee: Caterpillar Global Mining LLC
    Inventor: Jason J. Trotnow
  • HOIST DRUM FOR POWER SHOVEL
    Publication number: 20160251822
    Abstract: A hoist drum is disclosed for use with a power shovel. The hoist drum may have a body that is hollow and generally cylindrical, and an anchor connected to an outer annular surface of the body. The hoist drum may also have at least one stiffener located inside the body and extending in an axial direction of the body across the anchor.
    Type: Application
    Filed: February 27, 2015
    Publication date: September 1, 2016
    Applicant: CATERPILLAR GLOBAL MINING AMERICA LLC
    Inventors: Jason J. TROTNOW, Gurbachan S. BUMRAW
  • DROP LINE TENSIONING ASSEMBLY
    Publication number: 20160060843
    Abstract: A tensioning assembly including a primary rod and a hydraulic jack. The primary rod being positioned adjacent to a center section of the hydraulic jack. The tensioning assembly further including a frame housing anchored to the hydraulic jack. The tensioning assembly also includes a link rod connected to the primary rod and a primary adjusting and a secondary adjusting nut associated with the link rod to adjust the tension of a cable or line.
    Type: Application
    Filed: August 27, 2014
    Publication date: March 3, 2016
    Applicant: Caterpillar Global Mining LLC
    Inventor: Jason J. Trotnow
  • Anchor hoist drum
    Patent number: D756061
    Type: Grant
    Filed: February 27, 2015
    Date of Patent: May 10, 2016
    Assignee: Caterpillar Global Mining LLC
    Inventors: Jason J. Trotnow, Gurbachan S. Bumraw