Patents by Inventor Steven Crump

Steven Crump 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).

  • Rapid prototype injection molding
    Publication number: 20050173839
    Abstract: Disclosed is a method and apparatus for making a prototype injection molded part. An extruder of the type used for fused deposition modeling injects production thermoplastic material into a heated nonconductive plastic mold tool slowly at low pressure in an isothermic process. The mold tool may be built from a CAD drawing by fused deposition modeling or another rapid prototyping technique. Using the present invention, an injection molded prototype part can be made from a digital representation of the part within 24 hours by an engineer in an office environment.
    Type: Application
    Filed: April 17, 2003
    Publication date: August 11, 2005
    Applicant: Stratasys, Inc.
    Inventors: Steven Crump, William Priedeman Jr, Jeffery Hanson