Patents by Inventor David John Claudius

David John Claudius 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).

  • Process and apparatus for trimming polymeric parts
    Patent number: 7811492
    Abstract: A process for forming and trimming a part comprises providing a continuous web of polymeric material, thermoforming the continuous web of polymeric material into the desired part, providing a cutter arrangement comprising a blade, providing a platen assembly comprising a closed groove that generally corresponds to the outer shape of the blade and a vacuum system, wherein at least one of the cutter arrangement and the platen assembly is moveable with respect to the at least one other assembly, trimming the part of the continuous web of polymeric material from the remainder of the continuous web of polymeric material via the blade, and removing undesirable trim material formed during the trimming of the part via the vacuum system.
    Type: Grant
    Filed: April 5, 2004
    Date of Patent: October 12, 2010
    Assignee: Pactiv Corporation
    Inventors: Gary D. Ennis, Ming Lun Ho, David John Claudius, Lee D. Alexander