Patents by Inventor Lisa M. Engel

Lisa M. Engel 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: 6007006
    Abstract: A food waste disposer comprises an upper food conveying section, a lower motor section, and a central grinding section disposed between the food conveying section and the motor section. The motor section includes a motor imparting rotational movement to a motor shaft. The food conveying section includes a first injection-molded plastic housing that forms an inlet at its upper end for receiving food waste. The food conveying section conveys the food waste to the central grinding section. The grinding section includes a grinding mechanism having a portion mounted to the motor shaft. The grinding mechanism grinds the food waste into particulate matter. The central grinding section includes a second injection-molded plastic housing encompassing the grinding mechanism and integrally formed with the first injection-molded plastic housing. The motor is enclosed within a motor housing having a stamped metal upper end frame.
    Type: Grant
    Filed: July 23, 1998
    Date of Patent: December 28, 1999
    Assignee: Emerson Electric Co.
    Inventors: Lisa M. Engel, David W. Barke, William F. Strutz, William R. McCormick
  • Patent number: D532497
    Type: Grant
    Filed: October 11, 2005
    Date of Patent: November 21, 2006
    Assignee: Emerson Electric Co.
    Inventors: Lisa M. Engel, Nancy Wulf, Terrence Snyder, Gary Swetish