Patents by Inventor Guido Drissen

Guido Drissen 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).

  • Two-stage pressure regulator
    Patent number: 11353897
    Abstract: A regulator for hydrogen or other media can include a regulator body and an inlet into the regulator body. A first regulator stage can be downstream of the inlet and a second regulator stage can be downstream of the first regulator stage. An interstage passage can extend between the first and second regulator stages and an outlet from the regulator body can be downstream of the second regulator stage. The first regulator stage can include a first valve seat, a first valve stem, and a first sensor configured to transmit pressure force to urge the valve stem toward the valve seat. The second regulator stage can include a second valve seat, a second valve stem, and a second sensor configured to transmit pressure force to urge the second valve stem toward the second valve seat.
    Type: Grant
    Filed: February 4, 2021
    Date of Patent: June 7, 2022
    Assignee: Tescom Corporation
    Inventors: Brian Tutt, Guido Drissen, Yingchun Zhang