Patents by Inventor John G. Sigsby

John G. Sigsby 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).

  • Vessels for mixing bioprocessing materials
    Patent number: 8535936
    Abstract: A flexible vessel for mixing a bioprocessing fluid has contact points or adhesions between its front and back walls to promote and guide flow patters for mixing the contents.
    Type: Grant
    Filed: April 23, 2009
    Date of Patent: September 17, 2013
    Assignee: TwistaFerm
    Inventors: Henry R. Bungay, III, James S. Bungay, John G. Sigsby