Patents by Inventor Dale Langston

Dale Langston 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).

  • Apparatus for positive indication of fuse latch operation in electrical switchgear
    Patent number: 7332994
    Abstract: An apparatus for indicating the proper seating of a high voltage fuse in its mounting assembly in connection with electrical switchgear utlilizes a spring loaded flag positioned adjacent a latching protrusion for engagement by the latch of the mounting assembly such that the flag is moved from an obscured position to an visible position only when the latch is in its affirmatively locked position.
    Type: Grant
    Filed: August 27, 2004
    Date of Patent: February 19, 2008
    Inventors: Gary Hakes, Dale Langston
  • Apparatus for positive indication of fuse latch operation in electrical switchgear
    Publication number: 20050052273
    Abstract: An apparatus for indicating the proper seating of a high voltage fuse in its mounting assembly in connection with electrical switchgear utlilizes a spring loaded flag positioned adjacent a latching protrusion for engagement by the latch of the mounting assembly such that the flag is moved from an obscured position to an visible position only when the latch is in its affirmatively locked position.
    Type: Application
    Filed: August 27, 2004
    Publication date: March 10, 2005
    Inventors: Gary Hakes, Dale Langston