Patents by Inventor T C. Twitchell

T C. Twitchell 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: 20120097617
    Abstract: A filter system for a storm drain having an inlet is disclosed. The filter system may be configured to receive storm water having debris and to separate at least a portion of the debris from the storm water to produce filtered storm water. The filter system may include a pervious paver having a feed side and a permeate side, the pervious paver being configured to receive storm water on the feed side and to retain at least a portion of the debris on the feed side. The filtered storm water may be formed from the storm water that passes from the feed side to the permeate side. The filter system may additionally include a frame assembly configured to support the pervious paver adjacent to the inlet.
    Type: Application
    Filed: October 11, 2011
    Publication date: April 26, 2012
    Applicant: XERIPAVE
    Inventors: Peter Blundell, T C. Twitchell