Patents by Inventor Dean S. Waldon

Dean S. Waldon 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).

  • Constant precision volumetric dilution vessel
    Patent number: 6722779
    Abstract: A chemical delivery apparatus is provided. In one exemplary arrangement, the apparatus comprises a first vessel having a body and a neck extending upwardly from the body. The neck has a smaller cross-sectional area than the body. A fluid inlet is provided near a top of the neck. A fluid outlet is provided near a bottom of the body. A first sight tube port is provided near the top of the neck, and a second sight tube port is provided near the bottom of the body. A sight tube is connected between the first and second sight tube ports to indicate an amount of fluid in the first vessel. A first fluid source selectively communicates with the first vessel through the fluid inlet of the first vessel. A second vessel is also provided, comprising a fluid inlet and a fluid outlet. A second fluid source selectively communicates with the second vessel through the fluid inlet of the second vessel.
    Type: Grant
    Filed: October 26, 2001
    Date of Patent: April 20, 2004
    Assignee: Polypros Inc.
    Inventors: William B. Henderson, Dean S. Waldon
  • Constant precision volumetric dilution vessel
    Publication number: 20030081496
    Abstract: A chemical delivery apparatus is provided. In one exemplary arrangement, the apparatus comprises a first vessel having a body and a neck extending upwardly from the body. The neck has a smaller cross-sectional area than the body. A fluid inlet is provided near a top of the neck. A fluid outlet is provided near a bottom of the body. A first sight tube port is provided near the top of the neck, and a second sight tube port is provided near the bottom of the body. A sight tube is connected between the first and second sight tube ports to indicate an amount of fluid in the first vessel. A first fluid source selectively communicates with the first vessel through the fluid inlet of the first vessel. A second vessel is also provided, comprising a fluid inlet and a fluid outlet. A second fluid source selectively communicates with the second vessel through the fluid inlet of the second vessel.
    Type: Application
    Filed: October 26, 2001
    Publication date: May 1, 2003
    Inventors: William B. Henderson, Dean S. Waldon