Patents by Inventor Sergej Herfort

Sergej Herfort 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).

  • Inhaler
    Patent number: D657446
    Type: Grant
    Filed: April 1, 2011
    Date of Patent: April 10, 2012
    Assignee: Ing. Erich Pfeiffer GmbH
    Inventor: Sergej Herfort
  • Inhaler
    Patent number: D657447
    Type: Grant
    Filed: April 1, 2011
    Date of Patent: April 10, 2012
    Assignee: Ing. Erich Pfeiffer GmbH
    Inventor: Sergej Herfort
  • Inhaler
    Patent number: D657448
    Type: Grant
    Filed: April 1, 2011
    Date of Patent: April 10, 2012
    Assignee: Ing. Erich Pfeiffer GmbH
    Inventor: Sergej Herfort
  • Lancing device
    Patent number: D740422
    Type: Grant
    Filed: June 26, 2013
    Date of Patent: October 6, 2015
    Assignee: Gerresheimer Regensburg GMBH
    Inventor: Sergej Herfort