Patents by Inventor Benjamin K. Willemstyn

Benjamin K. Willemstyn 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).

  • Apparatus and method for filling bags
    Patent number: 6450215
    Abstract: An apparatus and method for filling bags achieves a substantially uniform fill level in bags. The apparatus includes a bag support that exerts pressure on the bags during filling of the bag such that the level of filling media among the bag is more evenly distributed. The apparatus and method also reliably maintain a sterile region during filling of bags by pressurizing the region before beginning bag filling operations.
    Type: Grant
    Filed: September 29, 2000
    Date of Patent: September 17, 2002
    Assignee: Charter Medical, Ltd.
    Inventors: Benjamin K. Willemstyn, Benjamin T. Holcombe