Patents by Inventor Michael R. Hebert

Michael R. Hebert 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).

  • Filament preheat apparatus
    Patent number: 4797172
    Abstract: A filament and mandrel preheat apparatus is mountable to the payout assembly of a winding machine. The apparatus has heating tubes or electric torches that deliver a heated airflow of variable heat flux into a duct. The exit end of the duct is positioned near the filament and mandrel and preheats it during winding. The duct is rotatable so that the airflow can be directed away from the filament during either a pause or stoppage of winding.
    Type: Grant
    Filed: February 12, 1988
    Date of Patent: January 10, 1989
    Assignee: The Boeing Company
    Inventors: Michael R. Hebert, Arnold J. Lauder