Patents by Inventor Elizabeth A. Ellinger

Elizabeth A. Ellinger 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).

  • Dispensing apparatus with a moveable plate
    Patent number: 5407100
    Abstract: A dispenser for flowable materials such as liquids includes a pair of stationary plates, with a movable plate therebetween. Pumps are mounted between the movable plate and at least one of the stationary plates. A drive system moves the middle plate toward and away from the stationary plates to provide a pumping action. The pumps are mounted to a stationary plate with an adapter, which extends through the plate. A valve assembly is mounted on the reverse side of the stationary plate in registry with the pumps.
    Type: Grant
    Filed: January 7, 1994
    Date of Patent: April 18, 1995
    Assignee: Fluid Management Limited Partnership
    Inventors: Carl A. Tracy, Elizabeth A. Ellinger