Patents by Inventor Leonard M. Guralnick

Leonard M. Guralnick 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).

  • Patent number: 4945754
    Abstract: A test water meter including a digital display is portable, as well as battery-operated. The digital display includes a gallon-per-minute display and a total gallon display, each of which is resettable at any time, as well as an additional total gallon display which has a reset enabled through a security switch so that only selected personnel can reset the additional total gallon display. The test water meter includes a pair of outlet valves, one controlling a standard 4-inch outlet and the other controlling a standard 3/4-inch outlet. Just upstream of each valve a meter is positioned. Associated with each meter is a transmitter for transmitting data indicative of flow rates and volumes to the digital display. Associated with the large meter is an indicator plate generally indicating flow rates as a function of valve position, the valve position being indicated by a pointer fixed to the valve spindle.
    Type: Grant
    Filed: July 18, 1989
    Date of Patent: August 7, 1990
    Assignee: Washington Suburban Sanitary Commission
    Inventors: Edward E. Wissman, Jr., Leonard M. Guralnick, Michael A. Perini