Patents by Inventor Gilles RICHIER

Gilles RICHIER 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).

  • TURBOMOLECULAR VACUUM PUMP
    Publication number: 20220325718
    Abstract: A turbomolecular vacuum pump is provided, including: a stator; a rotor configured to rotate in the stator about an axis of rotation; and a regulation valve configured to modify an inlet conductance of the turbomolecular vacuum pump by axial displacement towards or away from a suction orifice of the turbomolecular vacuum pump, a face of the regulation valve facing the suction orifice having a hollow form.
    Type: Application
    Filed: September 24, 2020
    Publication date: October 13, 2022
    Applicant: PFEIFFER VACUUM
    Inventors: Hisanori KAMBARA, Nicolas VARENNES, Gilles RICHIER