Patents by Inventor Dieter Pfeifle

Dieter Pfeifle 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).

  • Method for welding two parts together employing a concentrated energy beam and protective member
    Patent number: 4691092
    Abstract: Method for welding together two parts, wherein a concentrated beam of energy causing melting of the parts is directed into the gap extending continuously between two parts, and wherein before welding, at the side facing the side where the beam first strikes the parts, a protective member preventing further passage of the beam of energy is permanently fitted.
    Type: Grant
    Filed: November 27, 1985
    Date of Patent: September 1, 1987
    Assignee: SKF Industrial Trading and Development Company B.V.
    Inventors: Martin B. Verburgh, Dieter Pfeifle
  • Roller bearing
    Patent number: 4391476
    Abstract: A rolling bearing having rolling means guided in a cage between inner and outer bearing rings, and including a groove on one side of one bearing ring accommodating a radial projection of the cage and another groove on the other side of the bearing ring having inserted therein a separately formed restraining element for axially fixing the cage with respect to that bearing ring.
    Type: Grant
    Filed: August 1, 1980
    Date of Patent: July 5, 1983
    Assignee: SKF Kugellagerfabriken GmbH
    Inventors: Richard Negele, Dieter Pfeifle