Patents by Inventor Mark A. Neupert

Mark A. Neupert 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).

  • Natural gas shut off system
    Patent number: 5918618
    Abstract: A system for turning off the flow of natural gas into a structure is used where the control is used on the exterior of the structure. The control is operated pneumatically and is connected by an air flow conduit to a valve that is located on a natural gas feed line in the interior of a structure.
    Type: Grant
    Filed: July 2, 1996
    Date of Patent: July 6, 1999
    Assignee: National Fuel Gas Distribution Corp.
    Inventor: Mark A. Neupert