Patents by Inventor Rodney M. Ramsey

Rodney M. Ramsey 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).

  • Fluid retaining apparatus with ball valve
    Patent number: 8127789
    Abstract: An apparatus that can be inserted into the bottom end of liquid delivery tube for retaining fluid in the tube to aid in drinking, utilizing a ball valve that for the most part only allows unidirectional flow of fluid through the valve and into the tube to prevent the level of fluid in the tube from significantly dropping and also creates a fluid free space at the end of the tube to prevent spillage.
    Type: Grant
    Filed: October 30, 2003
    Date of Patent: March 6, 2012
    Assignee: ARK Therapeutic Services, Inc.
    Inventors: Christopher E. Schafer, Rodney M. Ramsey