Patents by Inventor Stephen A. Levy

Stephen A. Levy 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).

  • Rotary peristaltic dome pump
    Patent number: 10022024
    Abstract: An exemplary refill unit for a foam dispenser includes a container for holding a foamable liquid and a liquid pump connected to the container and an outlet nozzle. The liquid pump has a rigid back plate and a flexible membrane. The flexible membrane and the rigid back plate form an arcuate shaped liquid pump chamber. The rigid back plate has a liquid inlet located proximate a first end of the arcuate shaped pump chamber and a liquid outlet located proximate a second end of the arcuate shaped pump chamber. The liquid pump is actuated by progressive compression of the flexible membrane against the back plate.
    Type: Grant
    Filed: October 18, 2016
    Date of Patent: July 17, 2018
    Assignee: GOJO Industries, Inc.
    Inventors: Nick E. Ciavarella, John J. McNulty, Stephen A. Levy
  • ROTARY PERISTALTIC DOME PUMP
    Publication number: 20170112332
    Abstract: An exemplary refill unit for a foam dispenser includes a container for holding a foamable liquid and a liquid pump connected to the container and an outlet nozzle. The liquid pump has a rigid back plate and a flexible membrane. The flexible membrane and the rigid back plate form an arcuate shaped liquid pump chamber. The rigid back plate has a liquid inlet located proximate a first end of the arcuate shaped pump chamber and a liquid outlet located proximate a second end of the arcuate shaped pump chamber. The liquid pump is actuated by progressive compression of the flexible membrane against the back plate.
    Type: Application
    Filed: October 18, 2016
    Publication date: April 27, 2017
    Inventors: Nick E. Ciavarella, John J. McNulty, Stephen A. Levy