Patents by Inventor Willam S. Mitchell

Willam S. Mitchell 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: 20110198764
    Abstract: Aeration pipe for diffusion of a gas into a liquid medium, the pipe having a flexible microporous tubular wall of thermoset polymer particles and a thermoplastic binder for melt bonding said thermoset polymer particles and dispersing an antimicrobial compound substantially uniformly throughout the wall. The aeration pipe is useful in various environments such as aquaculture and waste water treatment.
    Type: Application
    Filed: February 18, 2011
    Publication date: August 18, 2011
    Applicant: Tekni-Plex, Inc.
    Inventors: Willam S. Mitchell, Erick Benjamin Williams