Patents by Inventor Neil Geoffrey Bellenie

Neil Geoffrey Bellenie 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).

  • Combined vacuum pump load-lock assembly
    Patent number: 7500822
    Abstract: A load-lock and dry vacuum pump assembly includes a load-lock having a load-lock housing, the load-lock housing includes a mating system having a flange-like cylinder and a cylinder concentrically located relative to said flange-like cylinder; a dry vacuum pump that includes a shaft, a rotor, a first concentric cylinder and a second concentric cylinder extending outwardly from the rotor, and is integrally connected with the mating system, the first and second dry vacuum pump concentric cylinders, the flange-like cylinder, and the cylinder concentrically located relative to said flange being axially arranged with respect to the shaft; and a molecular drag compression stage formed by flanges having helical structures selectively provided on the first and second concentric cylinders, the flange-like cylinder, and the cylinder concentrically located relative to the flange.
    Type: Grant
    Filed: April 9, 2004
    Date of Patent: March 10, 2009
    Assignee: Edwards Vacuum, Inc.
    Inventors: Graeme Huntley, Neil Geoffrey Bellenie