Patents by Inventor Patrick Dahlman

Patrick Dahlman 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).

  • Process for forming steel
    Patent number: 8377235
    Abstract: The invention refers to a process for forming a steel component, incorporating the steps of—providing a blank having substantially the volume of the component to be formed,—heating the blank to a semi solid state with a specific liquid fraction,—forming the blank with a forging technique to a component of near net shape dimensions,—subjecting the formed, near net shape component, to a normalization combined with a hardening,—subjecting the normalized and hardened near net shape component to machining to give the component net shape.
    Type: Grant
    Filed: November 6, 2008
    Date of Patent: February 19, 2013
    Assignee: Aktiebolaget SKF
    Inventors: Patrick Dahlman, Martin Friis, Henrik Karlsson
  • BEARING COMPONENT FOR A ROLLING BEARING OR FOR A SLIDING BEARING
    Publication number: 20100215296
    Abstract: The invention concerns a bearing component (Ia, Ib, 1, 7, 9) for a rolling (13, 14, 16) or sliding bearing (19), wherein the bearing component (Ia, Ib, 1, 7, 9) is one of an inner ring (Ia, 1), an outer ring (Ib, 7), a rolling element (9), a cage, or a guide ring. The bearing component (Ia, Ib, 1, 7, 9) comprises a first material (2), and a second material (3) joined to the first material (2), wherein the second material (3) and the first material (2) having been joined by a semi-solid metal process.
    Type: Application
    Filed: May 26, 2008
    Publication date: August 26, 2010
    Inventor: Patrick Dahlman