Patents by Inventor Dennis Hegerhorst

Dennis Hegerhorst 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).

  • Large-tow fiber-placement system
    Publication number: 20060260106
    Abstract: A large-tow fiber placement system having (1) a creel, (2) a tow feeding mechanism, (3) a tow cutting mechanism, and (4) a tow consolidation system, wherein the creel shuttles a spool to maintain a substantially fixed exit path of a large-tow exiting the spool, the tow feeding mechanism has a head that is cooled by a fluid to control integrity of the large-tow and the tow consolidation system has interlocking shoes to provide a continuous application of the head is disclosed.
    Type: Application
    Filed: January 3, 2006
    Publication date: November 23, 2006
    Applicant: Zoltek Companies, Inc.
    Inventors: Ronald Roser, David Rasmussen, Trond Pedersen, Scott Cutler, Ken Warfield, Dennis Hegerhorst, Paul Merrill, Kirk Samowitz, Mark Liddiard, Curtis Veit
  • Method for producing fiber reinforced structures
    Patent number: 6290799
    Abstract: Method and apparatus for the manufacture of fiber reinforced structures wherein tooling and a delivery head are employed for the placement of discrete, elongated fiber elements in mutually superimposed relationship to define reinforcement or stiffening members on fiber elements for the interiors or exteriors of composite shells and the consolidation of the fibers to form the cured composite structure. A consolidation medium is provided for the positioning and control of the fiber elements on the hard tooling and during the curing of the fiber elements.
    Type: Grant
    Filed: September 21, 1999
    Date of Patent: September 18, 2001
    Assignee: Alliant Techsystems Inc.
    Inventors: Mark E. Deckers, Vernon M. Benson, Michael R. McCloy, Todd A. Rosevear, Dennis Hegerhorst, Boyd L. Hatch, Keith G. Shupe
  • Method and apparatus for producing fiber reinforced structures
    Patent number: 6050315
    Abstract: Method and apparatus for the manufacture of fiber reinforced structures wherein tooling and a delivery head are employed for the placement of discrete, elongated fiber elements in mutually superimposed relationship to define reinforcement or stiffening members on fiber elements for the interiors or exteriors of composite shells and the consolidation of the fibers to form the cured composite structure. A consolidation medium is provided for the positioning and control of the fiber elements on the hard tooling and during the curing of the fiber elements. Method and apparatus for the manufacture of fiber reinforced structures.
    Type: Grant
    Filed: April 30, 1998
    Date of Patent: April 18, 2000
    Assignee: Alliant Techsystems Inc.
    Inventors: Mark E. Deckers, Vernon M. Benson, Michael R. McCloy, Todd A. Rosevear, Dennis Hegerhorst, Boyd L. Hatch, Keith G. Shupe