Patents by Inventor Robert A. Block

Robert A. Block 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).

  • Bubble formation and circulation system
    Patent number: 4671252
    Abstract: Conduits jointly define a fluid and vapor occupied annular chamber which when the conduits are heated emits bubbles which propel a quantity of fluid along a conduit. A fluid imbalanced condition in fluid heads is achieved by the bubble propulsion of fluid to cause fluid circulation in a heating system exposed to a heat source. A heat exchanger is also disclosed.
    Type: Grant
    Filed: December 18, 1985
    Date of Patent: June 9, 1987
    Assignee: Sunrise Research, Inc.
    Inventors: Eldon L. Haines, Robert A. Block