Patents by Inventor Wayne H. Lehker

Wayne H. Lehker 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).

  • 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