Patents by Inventor Jeffrey P. Carstens

Jeffrey P. Carstens 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 pipe welding system for nonstationary pipe
    Patent number: 4429211
    Abstract: A laser pipe welding system for welding 360.degree. around a pipe includes a pair of focusing heads each welding half the pipe circumference, a seam tracker to keep the focal spot on the seam to compensate for axial and radial variations, an active beam alignment system for real-time compensation of angular misalignment, and both passive and active-feedback beam transport systems that flexibly follow the focus head.
    Type: Grant
    Filed: August 2, 1982
    Date of Patent: January 31, 1984
    Assignee: United Technologies Corporation
    Inventors: Jeffrey P. Carstens, Paul R. Blaszuk, John S. Foley