Patents Assigned to Mercury Instruments, Inc.
  • Magnetic field coupler for fluid meter
    Patent number: 6928883
    Abstract: A magnetic field coupler has a plurality of magnetic poles with respective first ends located immediately adjacent a circular path of a rotating magnet in a meter. The magnetic poles have respective opposite ends located immediately adjacent a magnetic sensor in a meter reading device. A nonmagnetic material separates each of the plurality of poles from all others of the plurality of the poles, and the nonmagnetic material is joined with the poles to form a unitary structure.
    Type: Grant
    Filed: October 15, 2004
    Date of Patent: August 16, 2005
    Assignee: Mercury Instruments, Inc.
    Inventors: Wayne H. Lehker, Steven R. Snoke, Jon L. VanDonkelaar
  • Chart drive
    Patent number: D316976
    Type: Grant
    Filed: October 5, 1988
    Date of Patent: May 21, 1991
    Assignee: Mercury Instruments, Inc.
    Inventors: Thomas R. Comerford, Hubert F. Yeary