Patents by Inventor Stephen Adrianus de Boer

Stephen Adrianus de Boer 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).

  • Valve seat assembly
    Patent number: 11959564
    Abstract: Example aspects of a seat assembly for a valve, a valve, and a method for opening a valve are disclosed. The seat assembly for a valve can comprise a diaphragm defining a first diaphragm end and a second diaphragm end, the diaphragm comprising a diaphragm end wall at the second diaphragm end, the diaphragm end wall defining an inner diaphragm end wall surface and an outer diaphragm end wall surface; and a diaphragm guide comprising a guide disc, the guide disc defining an inner guide disc surface and an outer guide disc surface, the outer guide disc surface abutting the inner diaphragm end wall surface.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: April 16, 2024
    Assignee: Mueller International, LLC
    Inventors: Timothy Wayne Stern, Stephen Adrianus de Boer, Fairlyte Paige Eubank
  • VALVE SEAT ASSEMBLY
    Publication number: 20210372533
    Abstract: Example aspects of a seat assembly for a valve, a valve, and a method for opening a valve are disclosed. The seat assembly for a valve can comprise a diaphragm defining a first diaphragm end and a second diaphragm end, the diaphragm comprising a diaphragm end wall at the second diaphragm end, the diaphragm end wall defining an inner diaphragm end wall surface and an outer diaphragm end wall surface; and a diaphragm guide comprising a guide disc, the guide disc defining an inner guide disc surface and an outer guide disc surface, the outer guide disc surface abutting the inner diaphragm end wall surface.
    Type: Application
    Filed: May 29, 2020
    Publication date: December 2, 2021
    Inventors: Timothy Wayne Stern, Stephen Adrianus de Boer, Fairlyte Paige Eubank