Patents by Inventor Dan Alan Thomas

Dan Alan Thomas 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).

  • Device for reducing printing sleeve noise
    Patent number: 6634294
    Abstract: A printing press comprises a cylinder having an outer surface and a plurality of air holes for providing air to the outer surface. A sound-damping material is located on a section of the outer surface and an axially-removable printing sleeve fits over the outer surface. Also disclosed is a method for reducing noise from a printing press comprising the steps of providing air through air holes in a cylinder having a free end to aid in placement or removal of an axially-removable printing sleeve, and providing a sound-damping surface to an outer surface of the cylinder at the free end.
    Type: Grant
    Filed: November 28, 2001
    Date of Patent: October 21, 2003
    Assignee: Heidelberger Druckmaschinen AG
    Inventors: Ronald Henry Boucher, Robert Richard Murray, John Sheridan Richards, Dan Alan Thomas
  • Method and device for reducing printing sleeve noise
    Publication number: 20020035934
    Abstract: A printing press comprises a cylinder having an outer surface and a plurality of air holes for providing air to the outer surface. A sound-damping material is located on a section of the outer surface and an axially-removable printing sleeve fits over the outer surface. Also disclosed is a method for reducing noise from a printing press comprising the steps of providing air through air holes in a cylinder having a free end to aid in placement or removal of an axially-removable printing sleeve, and providing a sound-damping surface to an outer surface of the cylinder at the free end.
    Type: Application
    Filed: November 28, 2001
    Publication date: March 28, 2002
    Inventors: Ronald Henry Boucher, Robert Richard Murray, John Sheridan Richards, Dan Alan Thomas
  • Method and device for reducing printing sleeve noise
    Patent number: 6347586
    Abstract: A printing press comprises a cylinder having an outer surface and a plurality of air holes for providing air to the outer surface. A sound-damping material is located on a section of the outer surface and an axially-removable printing sleeve fits over the outer surface. Also disclosed is a method for reducing noise from a printing press comprising the steps of providing air through air holes in a cylinder having a free end to aid in placement or removal of an axially-removable printing sleeve, and providing a sound-damping surface to an outer surface of the cylinder at the free end.
    Type: Grant
    Filed: April 19, 2000
    Date of Patent: February 19, 2002
    Assignee: Heidelberger Druckmaschinen AG
    Inventors: Ronald Henry Boucher, John Sheridan Richards, Robert Richard Murray, Dan Alan Thomas