Patents by Inventor Dave Hurdman

Dave Hurdman 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).

  • Welded component and method of fabrication
    Patent number: 9856624
    Abstract: A box-section arm of an excavator or the like has a pivot axis at one side. Two flat plates 25, 26 close the underside of the box-section adjacent the pivot axis, and are welded transversely from a pair of projections 28, 29 at one side, to corresponding pair of projections 28, 29 at the other side. The projections 28, 29 are partially but not wholly removed after welding.
    Type: Grant
    Filed: September 9, 2014
    Date of Patent: January 2, 2018
    Assignee: J.C. BAMFORD EXCAVATORS LIMITED
    Inventors: Mark Carthy, Dave Hurdman
  • Welded Component and Method of Fabrication
    Publication number: 20150071752
    Abstract: A box-section arm of an excavator or the like has a pivot axis at one side. Two flat plates 25, 26 close the underside of the box-section adjacent the pivot axis, and are welded transversely from a pair of projections 28, 29 at one side, to corresponding pair of projections 28, 29 at the other side. The projections 28, 29 are partially but not wholly removed after welding.
    Type: Application
    Filed: September 9, 2014
    Publication date: March 12, 2015
    Applicant: JC BAMFORD EXCAVATORS LIMITED
    Inventors: Mark Carthy, Dave Hurdman