Patents by Inventor Kenneth Scheffler Scheffler

Kenneth Scheffler Scheffler 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).

  • Condensate pumping system for air conditioners
    Patent number: 6389834
    Abstract: The invention includes a liquid pumping system. The liquid is preferably condensate and the condensate pumping system may include a tank having an upper reservoir and a sump disposed below the upper reservoir. The upper reservoir may include an orifice and may be positioned to receive condensate from an evaporator. The condensate pumping system may also include a device to seal the orifice, a condensate tube connected to the sump, and an air pump attached to the sump through an air tube.
    Type: Grant
    Filed: February 19, 2001
    Date of Patent: May 21, 2002
    Assignee: Whirlpool Corporation
    Inventors: Douglas David LeClear, Guolian Wu, Kenneth Scheffler Scheffler, Jim J. Pastryk