Patents by Inventor Mark L. Berns

Mark L. Berns 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).

  • Laser-welded driveshaft and method of making same
    Publication number: 20030125118
    Abstract: The present invention involves a laser-welded driveshaft and method of making same. The laser-welded driveshaft comprises a tube and a yoke laser welded to the tube. The tube has a driveshaft wall extending to an open end, wherein the wall has inner and outer surfaces. The yoke includes a tube-engaging pilot which is disposed through the open end and the yoke is laser-welded to the open end of the tube.
    Type: Application
    Filed: December 27, 2001
    Publication date: July 3, 2003
    Inventors: Suresh Raghavan, Mark L. Berns, Robert Dines, David M. Douglass