Patents by Inventor Steffen HERRMANN

Steffen HERRMANN 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).

  • Vacuum device
    Patent number: 11668305
    Abstract: A vacuum device, in particular to a vacuum pump, includes a reservoir for an operating medium; an outlet connector arranged at or in the reservoir; and a selection device that selectively closes or opens the outlet connector or an outlet line, which is connected via the outlet connector to the reservoir, in dependence on whether the operating medium or water is present at the outlet connector.
    Type: Grant
    Filed: July 7, 2020
    Date of Patent: June 6, 2023
    Assignee: PFEIFFER VACUUM GMBH
    Inventor: Steffen Herrmann
  • VACUUM DEVICE
    Publication number: 20210017990
    Abstract: The invention relates to a vacuum device, in particular to a vacuum pump, comprising a reservoir for an operating medium; an outlet connector arranged at or in the reservoir; and a selection device that is configured to selectively close or open the outlet connector or an outlet line, which is connected via the outlet connector to the reservoir, in dependence on whether the operating medium or water is present at the outlet connector.
    Type: Application
    Filed: July 7, 2020
    Publication date: January 21, 2021
    Inventor: Steffen HERRMANN