Patents by Inventor Allen P. Yi

Allen P. Yi 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: 5957036
    Abstract: A spring-biased valve lever on the bottom of a coffee maker brew basket is pivoted to open the brewed liquid outlet of the brew basket in response to the rotation of a valve actuator caused by the placement of a carafe on the warmer plate of the coffee maker. The valve actuator is mounted for rotation about a vertical axis and has two horizontally movable arms, one which is engaged by the carafe and one which engages and presses downwardly on the rearward end of the valve lever.
    Type: Grant
    Filed: October 16, 1998
    Date of Patent: September 28, 1999
    Assignee: Hamilton Beach/Proctor-Silex, Inc.
    Inventors: Dean C. Warner, Allen P. Yi