Patents by Inventor Marius Frum

Marius Frum 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).

  • Patent number: 9545818
    Abstract: A dual-wheel differential system includes an in inner hub, an outer hub, and a differential assembly mechanically coupled between the inner hub and the outer hub to allow the inner hub and the outer hub to rotate at different angular speeds. A user-actuatable locking system is configured to mechanically lock the inner hub to the outer hub. The user-actuatable locking system may include at least one axially-translating or radially-translating locking pin configured to engage at least one of the inner hub and the outer hub. The locking system may be pneumatically, hydraulically, or electromechanically actuated.
    Type: Grant
    Filed: February 17, 2015
    Date of Patent: January 17, 2017
    Assignee: AXLETECH INTERNATIONAL IP HOLDINGS, LLC
    Inventors: Marius Frum, Dan Ursu, Barry Groves
  • Publication number: 20150231918
    Abstract: A dual-wheel differential system includes an in inner hub, an outer hub, and a differential assembly mechanically coupled between the inner hub and the outer hub to allow the inner hub and the outer hub to rotate at different angular speeds. A user-actuatable locking system is configured to mechanically lock the inner hub to the outer hub. The user-actuatable locking system may include at least one axially-translating or radially-translating locking pin configured to engage at least one of the inner hub and the outer hub. The locking system may be pneumatically, hydraulically, or electromechanically actuated.
    Type: Application
    Filed: February 17, 2015
    Publication date: August 20, 2015
    Inventors: Marius Frum, Dan Ursu, Barry Groves