Patents by Inventor David Lamont MILLER

David Lamont MILLER 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: 11619235
    Abstract: A dual priming system connected with a centrifugal pump to evacuate gas therefrom includes a positive displacement pump fluidly connectable with the centrifugal pump and a venturi fluidly connectable with the centrifugal pump in parallel with the positive displacement pump. The dual priming system is operational in a first mode, wherein the positive displacement pump is inactive and the venturi is activated, and a second mode, wherein the positive displacement pump is activated and the venturi is activated.
    Type: Grant
    Filed: August 17, 2020
    Date of Patent: April 4, 2023
    Assignee: HALE PRODUCTS, INC.
    Inventors: Michael A. Laskaris, David Lamont Miller
  • Publication number: 20220049702
    Abstract: A dual priming system connected with a centrifugal pump to evacuate gas therefrom includes a positive displacement pump fluidly connectable with the centrifugal pump and a venturi fluidly connectable with the centrifugal pump in parallel with the positive displacement pump. The dual priming system is operational in a first mode, wherein the positive displacement pump is inactive and the venturi is activated, and a second mode, wherein the positive displacement pump is activated and the venturi is activated.
    Type: Application
    Filed: August 17, 2020
    Publication date: February 17, 2022
    Inventors: Michael A. LASKARIS, David Lamont MILLER