Patents by Inventor Daniel T. Lyden

Daniel T. Lyden 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).

  • Method and apparatus for proving electronic gas meters
    Patent number: 4953386
    Abstract: A method and apparatus for proving an electronic gas meter and the like that includes counting the number of pulses provided by an encoder associated with a bell prover to define a volume of test fluid which is supplied to the meter under test, enalbing the meter to measure the volumetric fluid flow rate and integrating the volumetric flow rate of test fluid measured by the gas meter during the test, and data representing the actual volume of test fluid supplied to the meter under test to determine the percent proof or accuracy of the meter.
    Type: Grant
    Filed: November 13, 1989
    Date of Patent: September 4, 1990
    Assignee: Gas Research Institute
    Inventors: Arthur N. J. Pearman, Gerald D. Hunter, Robert E. Gilman, Michael A. Woessner, Daniel T. Lyden