Patents by Inventor Frank R. Szpek, JR.

Frank R. Szpek, JR. 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).

  • Power shovel hoist machinery with auxiliary weight box
    Patent number: 9702250
    Abstract: A power shovel including a tool for lifting, a machine house, a hoist drum, hoist drum machinery and an auxiliary weight box having a perimeter, the hoist drum and hoist drum machinery being at least partially disposed within the perimeter of the auxiliary weight box and the hoist drum being disposed outside of the machine house.
    Type: Grant
    Filed: July 3, 2015
    Date of Patent: July 11, 2017
    Inventors: Frank R. Szpek, Jr., Carl D. Gilmore, David T. Bienfang
  • Multi-deck mining vehicle
    Patent number: 9388689
    Abstract: A mining vehicle includes one or more crawlers, a first deck positioned above the crawlers, and a second deck positioned above the first deck. The first deck includes a first floor surface providing a walking surface, and one or more first deck maintenance components configured to allow a person to move among and access the first deck maintenance components. The second deck includes a second floor surface providing a walking surface, one or more second deck maintenance components, and one or more aisles configured to allow a person to move among and access the second deck maintenance components. The first and second decks are configured to provide maintenance access to the first and second deck maintenance components.
    Type: Grant
    Filed: February 1, 2013
    Date of Patent: July 12, 2016
    Assignee: Caterpillar Global Mining LLC
    Inventors: David T. Bienfang, Frank R. Szpek, Jr., Carl D. Gilmore
  • POWER SHOVEL HOIST MACHINERY WITH AUXILIARY WEIGHT BOX
    Publication number: 20150308266
    Abstract: A power shovel including a tool for lifting, a machine house, a hoist drum, hoist drum machinery and an auxiliary weight box having a perimeter, the hoist drum and hoist drum machinery being at least partially disposed within the perimeter of the auxiliary weight box and the hoist drum being disposed outside of the machine house.
    Type: Application
    Filed: July 3, 2015
    Publication date: October 29, 2015
    Applicant: Caterpillar Global Mining LLC.
    Inventors: Frank R. Szpek, JR., Carl D. Gilmore, David T. Bienfang
  • Power shovel hoist machinery with auxiliary weight box
    Patent number: 9127435
    Abstract: A power shovel including a tool for lifting, a machine house, a hoist drum, hoist drum machinery and an auxiliary weight box having a perimeter, the hoist drum and hoist drum machinery being at least partially disposed within the perimeter of the auxiliary weight box and the hoist drum being disposed outside of the machine house.
    Type: Grant
    Filed: February 1, 2013
    Date of Patent: September 8, 2015
    Assignee: Caterpillar Global Mining LLC
    Inventors: David T. Bienfang, Frank R. Szpek, Jr., Carl D. Gilmore
  • POWER SHOVEL HOIST MACHINERY AND BALLAST CONFIGURATION
    Publication number: 20140219763
    Abstract: A power shovel including a tool for lifting, a machine house, a hoist drum, hoist drum machinery and an auxiliary weight box having a perimeter, the hoist drum and hoist drum machinery being at least partially disposed within the perimeter of the auxiliary weight box and the hoist drum being disposed outside of the machine house.
    Type: Application
    Filed: February 1, 2013
    Publication date: August 7, 2014
    Applicant: Caterpillar Global Mining LLC
    Inventors: David T. Bienfang, Frank R. Szpek, JR., Carl D. Gilmore
  • MULTI-DECK MINING VEHICLE
    Publication number: 20140219762
    Abstract: A mining vehicle includes one or more crawlers, a first deck positioned above the crawlers, and a second deck positioned above the first deck. The first deck includes a first floor surface providing a walking surface, and one or more first deck maintenance components configured to allow a person to move among and access the first deck maintenance components. The second deck includes a second floor surface providing a walking surface, one or more second deck maintenance components, and one or more aisles configured to allow a person to move among and access the second deck maintenance components. The first and second decks are configured to provide maintenance access to the first and second deck maintenance components.
    Type: Application
    Filed: February 1, 2013
    Publication date: August 7, 2014
    Applicant: Caterpillar Global Mining LLC
    Inventors: David T. Bienfang, Frank R. Szpek, JR., Carl D. Gilmore