Patents by Inventor Frank P. Serritella

Frank P. Serritella 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).

  • Floating restriction standards system
    Patent number: 4574617
    Abstract: A pneumatic gaging system for determining the size of test restrictions is disclosed including a maximum restriction standard connected through an indicator to a source of pneumatic pressure, a minimum restriction standard connected through the indicator to the source of pneumatic pressure, a test restriction terminal for connecting the test restriction under test to the source of pneumatic pressure through the indicator and a valving system for alternately connecting the maximum restriction standard, the minimum restriction standard and the test restriction to the indicator for indicating the flow rates through the maximum and minimum restriction standards and the test restriction.
    Type: Grant
    Filed: August 21, 1980
    Date of Patent: March 11, 1986
    Assignee: Honeywell Inc.
    Inventors: Frank W. Hetznecker, Frank P. Serritella