Patents by Inventor Marek URBANOWICZ

Marek URBANOWICZ 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: 9540789
    Abstract: The disclosed invention relates to a swing control system for construction machines and is useful in a construction equipment in which the shaking or jerking movement of the upper swing structure due to the moment of inertia thereof is controlled by a simple electrical hydraulic control system so that although the swing manipulation is abruptly and repeatedly performed during the excavation or dumping operation, an operator can control the soft swing start/stop of the upper swing structure in the swing operation of construction machine, thereby improving manipulability and work efficiency of the work apparatus.
    Type: Grant
    Filed: February 6, 2013
    Date of Patent: January 10, 2017
    Assignee: VOLVO CONSTRUCTION EQUIPMENT AB
    Inventor: Marek Urbanowicz
  • Publication number: 20150361641
    Abstract: The disclosed invention relates to a swing control system for construction machines and is useful in a construction equipment in which the shaking or jerking movement of the upper swing structure due to the moment of inertia thereof is controlled by a simple electrical hydraulic control system so that although the swing manipulation is abruptly and repeatedly performed during the excavation or dumping operation, an operator can control the soft swing start/stop of the upper swing structure in the swing operation of construction machine, thereby improving manipulability and work efficiency of the work apparatus.
    Type: Application
    Filed: February 6, 2013
    Publication date: December 17, 2015
    Applicant: VOLVO CONSTRUCTION EQUIPMENT AB
    Inventor: Marek URBANOWICZ