Patents by Inventor Stephen C. Zenobia, IV

Stephen C. Zenobia, IV 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).

  • Fire shield for variable frequency drive enclosure
    Patent number: 11665849
    Abstract: The fire shield enclosure makes use of a set of external metal shields that can be attached to a wall mounted variable frequency drive (VFD) in the field either before or after the VFD has been installed for the purpose of providing adequate protection from a fire as defined by a UL2043: Fire Test for Heat and Visible Smoke Release (UL2043 fire test). The fire shield enclosure pertains to a VFD for which may use a polymer material as an integral part of its enclosure housing.
    Type: Grant
    Filed: June 11, 2020
    Date of Patent: May 30, 2023
    Assignee: ABB Schweiz AG
    Inventors: Brian J. Baldwin, Stephen C. Zenobia, IV, Charles J. Paddock
  • Fire Shield for Variable Frequency Drive Enclosure
    Publication number: 20210391697
    Abstract: The fire shield enclosure makes use of a set of external metal shields that can be attached to a wall mounted variable frequency drive (VFD) in the field either before or after the VFD has been installed for the purpose of providing adequate protection from a fire as defined by a UL2043: Fire Test for Heat and Visible Smoke Release (UL2043 fire test). The fire shield enclosure pertains to a VFD for which may use a polymer material as an integral part of its enclosure housing.
    Type: Application
    Filed: June 11, 2020
    Publication date: December 16, 2021
    Applicant: ABB Schweiz AG
    Inventors: Brian J. Baldwin, Stephen C. Zenobia, IV, Charles J. Paddock