Patents by Inventor Puenpit RICHBERG

Puenpit RICHBERG 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).

  • Publication number: 20100071851
    Abstract: The present invention relates generally to the manufacture of oil filters. The present invention provides a channel roll with a unique design that minimizes the channel roll surface contact with oil filter media. The design includes the formation of ridges projecting from the surface of the channel roll of such a design that is sufficient to control movement of the roll of oil media into the oil media pleating process, yet greatly reduce the surface contact with the oil media.
    Type: Application
    Filed: September 23, 2008
    Publication date: March 25, 2010
    Applicant: PUROLATOR FILTERS NA LLC
    Inventors: Puenpit RICHBERG, Randy FRYE