Patents by Inventor William H. McWilliams, III

William H. McWilliams, III 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: 5493099
    Abstract: A cooking apparatus, a latching construction therefor and methods of making the same are provided, the latching construction comprising a frame carrying a movable latch member and a drive unit operatively interconnected to the latch member to move the latch member between the latching and unlatching positions thereof, the drive unit comprising a cylinder having opposite ends and a movable piston extending from one of the opposite ends and being operatively interconnected to the latch member, the drive unit having an actuator to extend the piston so as to be adapted to move the latch member from its non-latching position thereof to its latching position thereof when the actuator is first actuated for a door locking operation thereof, the drive unit having a rotatable cam operatively interconnected to the piston and to the latch member so as to be adapted to permit the piston to be retracted after the latch member has been moved to the latching position thereof by the first actuation of the actuating unit while
    Type: Grant
    Filed: December 28, 1994
    Date of Patent: February 20, 1996
    Assignee: Robertshaw Controls Company
    Inventor: William H. McWilliams, III