Patents by Inventor Thomas A. Stoneham

Thomas A. Stoneham 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).

  • Battery recirculation and recharge system
    Patent number: 5340667
    Abstract: A system for increasing the efficiency of electro-chemical batteries includes a liquid electrolyte battery having positive and negative terminals and electrolyte fluid input and output ports. The system also is provided with an electrolyte distribution manifold, an electrolyte filter, an electrolyte holding tank, and a pump and control valves for circulating the electrolyte fluid between the battery and the holding tank, whereby stratification of the electrolyte fluid is prevented and gases and solids are removed from the electrolyte.
    Type: Grant
    Filed: November 29, 1993
    Date of Patent: August 23, 1994
    Inventors: Billy M. Stinson, Thomas A. Stoneham