Patents by Inventor Christopher D. Kirkpatrick

Christopher D. Kirkpatrick 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).

  • Rotary die cutting cover
    Patent number: 6785963
    Abstract: A cover for a rotary die is centrifugally cast with multiple layers to substantially eliminate stress when the cover is cast in an arcuate shape for use in a die cutting system. A locking mechanism attached to ends of the cover is designed to be convenient to install on and remove from a cutting cylinder.
    Type: Grant
    Filed: June 14, 2001
    Date of Patent: September 7, 2004
    Assignee: IAM Corporation
    Inventors: Alan D. Kirkpatrick, Jr., Christopher D. Kirkpatrick
  • Rotary die cutting cover
    Patent number: 6435069
    Abstract: A cover for a rotary die is centrifugally cast with multiple layers to substantially eliminate stress when the cover is cast in an arcuate shape for use in a die cutting system. A locking mechanism attached to ends of the cover is designed to be convenient to install on and remove from a cutting cylinder.
    Type: Grant
    Filed: November 23, 1999
    Date of Patent: August 20, 2002
    Assignee: IAM Corporation
    Inventors: Alan D. Kirkpatrick, Jr., Christopher D. Kirkpatrick
  • Rotary die cutting cover
    Publication number: 20010029812
    Abstract: A cover for a rotary die is centrifugally cast with multiple layers to substantially eliminate stress when the cover is cast in an arcuate shape for use in a die cutting system. A locking mechanism attached to ends of the cover is designed to be convenient to install on and remove from a cutting cylinder.
    Type: Application
    Filed: June 14, 2001
    Publication date: October 18, 2001
    Inventors: Alan D. Kirkpatrick, Christopher D. Kirkpatrick