Patents by Inventor Hans O. Hjertson

Hans O. Hjertson 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 the transport of a homogeneous mixture of chopped fibers
    Patent number: 5093059
    Abstract: A method and apparatus are disclosed for the transport of a homogeneous mixture of chopped fibers, wherein the fibers remain in a homogeneously mixed condition during their transport from a chopper gun to a workpiece, by use of two transvector apparatus placed in series with a conduit attached therebetween.
    Type: Grant
    Filed: January 18, 1991
    Date of Patent: March 3, 1992
    Assignees: Shell Oil Company, ABB Robotics, Inc.
    Inventors: Nazim S. Nathoo, Hans O. Hjertson