Patents by Inventor David K. Russell

David K. Russell 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: 6314867
    Abstract: A inductively coupled beverage warmer for safely heating a beverage contained in a container. The inductively coupled beverage warmer includes a container having a bottom wall and a side wall; and also includes a temperature sensitive switch disposed in the container, a heater connected to the temperature sensitive switch, and a secondary induction coil connected to the resistor and disposed on the bottom wall of the container; and further includes a base member including a housing having a top wall, side walls, and an circular recessed portion in the top wall; and also includes a power cord extending through a hole in the housing and being connectable to a power source, an on/off switch mounted to the housing, a contact switch moveably disposed upwardly through an opening in the recessed portion, and a primary induction coil disposed under the recessed portion and connected to the contact switch for inducing electrical current in the secondary induction coil.
    Type: Grant
    Filed: June 2, 2000
    Date of Patent: November 13, 2001
    Inventor: David K. Russell