Patents by Inventor Sean Leister

Sean Leister 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).

  • Combination valve
    Patent number: 11841086
    Abstract: A valve assembly includes a housing body defining a first opening, a second opening and an internal chamber. A first mechanism is provided in the housing body to control fluid between the first opening and the interior chamber and a second mechanism is provided in the housing body to control fluid between the second opening and the interior chamber. The first and second control mechanisms operate independently.
    Type: Grant
    Filed: March 29, 2021
    Date of Patent: December 12, 2023
    Assignee: Marshall Excelsior Co.
    Inventors: Franco J Domingo, Jonathan W. Sanders, Sean Leister
  • COMBINATION VALVE
    Publication number: 20210301934
    Abstract: A valve assembly includes a housing body defining a first opening, a second opening and an internal chamber. A first mechanism is provided in the housing body to control fluid between the first opening and the interior chamber and a second mechanism is provided in the housing body to control fluid between the second opening and the interior chamber. The first and second control mechanisms operate independently.
    Type: Application
    Filed: March 29, 2021
    Publication date: September 30, 2021
    Applicant: Marshall Excelsior Co.
    Inventors: Franco J. Domingo, Jonathan W. Sanders, Sean Leister