Patents by Inventor Michael John Bertoja

Michael John Bertoja 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 actuator
    Patent number: 6079442
    Abstract: There is disclosed an actuator for a rotary valve, such as a butterfly valve which rotates a quarter of a turn between open and closed positions. The actuator includes a drive mechanism releasably attachable to the stem of the valve for rotating it in response to operation of a reversible electric motor.
    Type: Grant
    Filed: September 26, 1997
    Date of Patent: June 27, 2000
    Assignee: Bray International, Inc.
    Inventors: Frank Jo Raymond, Jr., Michael John Bertoja, Francis William Johnston, David Wayne Gent
  • Valve actuator
    Patent number: 6003837
    Abstract: There is disclosed an actuator for a rotary valve, such as a butterfly valve which rotates a quarter of a turn between open and closed positions. The actuator includes a drive mechanism releasably attachable to the stem of the valve for rotating it in response to operation of a reversible electric motor.
    Type: Grant
    Filed: February 20, 1996
    Date of Patent: December 21, 1999
    Assignee: Bray International, Inc.
    Inventors: Frank Jo Raymond, Jr., Michael John Bertoja, Francis William Johnston, David Wayne Gent