Patents Assigned to Leemco, Inc.
  • Quick coupling valve and quick coupling valve key
    Patent number: 11168825
    Abstract: Systems and devices for use in delivery of water to areas of land. The systems include quick coupling valves, quick coupling valve keys, and fluid delivery systems that utilize quick coupling valves and quick coupling valve keys.
    Type: Grant
    Filed: February 4, 2020
    Date of Patent: November 9, 2021
    Assignee: LEEMCO, Inc.
    Inventor: Nunzio J. DiChristopher, Jr.
  • Pressure regulator with soft valve seat
    Patent number: 4074694
    Abstract: A pressure regulator with a spring loaded diaphragm having spring pressure and atmospheric pressure on one side and line pressure on the other for moving a valve stem in a valve seat for controlling downstream pressure. A soft seat design utilizing a metal seat in the regulator body and a resilient valve insert carried on the valve stem for engaging the seat. An annular flexible insert carried in an annular groove in the valve stem.
    Type: Grant
    Filed: April 9, 1976
    Date of Patent: February 21, 1978
    Assignee: Leemco, Inc.
    Inventor: Walter S. Lee