Patents by Inventor Tienchu Lee

Tienchu Lee 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).

  • Antenna assembly for subsurface meter pits
    Patent number: 6300907
    Abstract: An antenna assembly (10) for subsurface utility metering equipment includes a disk-shaped radiating element (50) which is connected through a wire (51) having a self-inductance to a capacitor C and then to a ground plane (41) and a connector (31) for a coaxial cable (30) to provide an LC circuit for impedance matching of the antenna assembly (10) to a transmitter.
    Type: Grant
    Filed: January 25, 2000
    Date of Patent: October 9, 2001
    Assignee: Badger Meter, Inc.
    Inventors: Mark Lazar, Tienchu Lee, Noel Marshall, John Glissman, Richard Jensen