Patents by Inventor Eugene Varshavsky

Eugene Varshavsky 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).

  • Stepper motor proportional control bellows valve
    Patent number: 11668409
    Abstract: A stepper motor proportionally controlled bellows valve system comprising: a valve manifold; one or more stepper motors; and one or more bellows valves. The one or more bellows valves may comprise a bellows, a sealing washer, and a profile washer. The sealing washer is configured to removeably engage with a vacuum orifice rim. The profile washers are configured to stick into the valve orifice, such that the profile washer defines a flow through the valve.
    Type: Grant
    Filed: December 10, 2021
    Date of Patent: June 6, 2023
    Assignee: The Digivac Company
    Inventors: James Gentile, Tom Bassi, Tom Matthews, William Lewental, Eugene Varshavsky
  • STEPPER MOTOR PROPORTIONAL CONTROL BELLOWS VALVE
    Publication number: 20220186855
    Abstract: A stepper motor proportionally controlled bellows valve system comprising: a valve manifold; one or more stepper motors; and one or more bellows valves. The one or more bellows valves may comprise a bellows, a sealing washer, and a profile washer. The sealing washer is configured to removeably engage with a vacuum orifice rim. The profile washers are configured to stick into the valve orifice, such that the profile washer defines a flow through the valve.
    Type: Application
    Filed: December 10, 2021
    Publication date: June 16, 2022
    Inventors: James Gentile, Tom Bassi, Tom Matthews, William Lewental, Eugene Varshavsky