Patents by Inventor Brad MCDONNELL

Brad MCDONNELL 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).

  • Compact robust connector assembly for high voltage electrical heaters
    Patent number: 11432373
    Abstract: An electrical heater and method includes heating member, a cable, and a connector. A resistance heating element is within a sheath of the heating member. A proximal end of the sheath is inserted into a slot of a first fitting and welded to the first fitting with first and second leads extending into the first fitting. The second fitting is threadably engaged with the first fitting. The second fitting defines a central bore disposed about the axis. An end of a power cable extends into the second central bore. A first wire is coupled to the first lead. A second wire is coupled to the second lead.
    Type: Grant
    Filed: February 4, 2019
    Date of Patent: August 30, 2022
    Assignee: WATLOW ELECTRIC MANUFACTURING COMPANY
    Inventors: Brad McDonnell, Curt St. Clair, Michael Ruhr
  • COMPACT ROBUST CONNECTOR ASSEMBLY FOR HIGH VOLTAGE ELECTRICAL HEATERS
    Publication number: 20190261461
    Abstract: An electrical heater and method includes heating member, a cable, and a connector. A resistance heating element is within a sheath of the heating member. A proximal end of the sheath is inserted into a slot of a first fitting and welded to the first fitting with first and second leads extending into the first fitting. The second fitting is threadably engaged with the first fitting. The second fitting defines a central bore disposed about the axis. An end of a power cable extends into the second central bore. A first wire is coupled to the first lead. A second wire is coupled to the second lead.
    Type: Application
    Filed: February 4, 2019
    Publication date: August 22, 2019
    Applicant: Watlow Electric Manufacturing Company
    Inventors: Brad MCDONNELL, Curt ST. CLAIR, Michael RUHR