Patents by Inventor Gerald K. Murphy

Gerald K. Murphy 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).

  • Security device for bulkhead doors
    Patent number: 5511836
    Abstract: A device for securing bulkhead doors consists of a single length of rigid, angled metal bar stock that preferably extends across the full internal width of the doors. A pair of elastomeric bumpers located at each end of the bar make contact with the underside of the bulkhead doors or the side pillars on which the doors rest. The bar is braced against the doors by engagement with a retention bracket, which may be the existing bracket already associated with the bulkhead doors.
    Type: Grant
    Filed: March 15, 1995
    Date of Patent: April 30, 1996
    Inventor: Gerald K. Murphy