Patents by Inventor John C. Chato

John C. Chato 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).

  • Patent number: 4316233
    Abstract: Apparatus for pumping charged fluid or charged particles by means of a travelling electric field which acts on the charge through Coulombic forces. The electric field is produced by a single phase time varying voltage applied to material with dimensions or electrical properties which vary in space. This material is placed between the medium to be pumped and an electrical conductor attached to the voltage supply.
    Type: Grant
    Filed: January 29, 1980
    Date of Patent: February 16, 1982
    Inventors: John C. Chato, Joseph M. Crowley