Patents by Inventor Douglas D. Mann

Douglas D. Mann 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: 11933712
    Abstract: A method and apparatuses to extend the time interval between out-of-service, in-tank inspections while insuring structural integrity using a risk-based, Bayesian statistical approach comprised of a passing leak detection test, determining that the tank is not leaking, estimating a thickness of the tank floor to estimate a corrosion rate, and conducting a risk assessment using the result of the leak detection test, the corrosion rate and thickness of the tank floor, and statistical data of tank failures.
    Type: Grant
    Filed: June 16, 2021
    Date of Patent: March 19, 2024
    Assignee: Vista Precision Solutions, Inc.
    Inventors: Joseph W. Maresca, Jr., Stephen D. Ford, Douglas W. Mann
  • Patent number: 4185093
    Abstract: The invention relates to pharmaceutical preparations comprising calcium lactate, calcium chloride and calcium levulinate. The solutions contain 7 to 28 grams of calcium ion with 10% to 30% of the calcium provided from calcium chloride, 20% to 60% from calcium lactate, and 20% to 60% from calcium levulinate and serves as an effective treatment for hypocalcemia, hypophosphatemia and downer cow syndrome.
    Type: Grant
    Filed: June 19, 1978
    Date of Patent: January 22, 1980
    Inventors: Allen R. Carnes, Douglas D. Mann