Patents by Inventor Bettina Zitzmann

Bettina Zitzmann 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).

  • Portable sprayer
    Patent number: 7309028
    Abstract: A portable sprayer having a backpack to which are secured a blower unit and a supply tank. The blower unit includes a drive motor and a blower driven thereby. The blower unit is mounted on the backpack by at least one anti-vibration element. The supply tank, for example for spray agent, is mechanically separated from the blower unit and is also mounted on the backpack by at least one anti-vibration element. A removable, at least approximately rigid connection element is provided for coupling the supply tank and the blower unit together or for isolating them from one another with respect to vibrations.
    Type: Grant
    Filed: October 12, 2005
    Date of Patent: December 18, 2007
    Assignee: Andreas Stihl AG & Co. KG
    Inventors: Klaus Langhans, Michael Raffenberg, Bettina Zitzmann
  • Portable sprayer
    Publication number: 20060091235
    Abstract: A portable sprayer having a backpack to which are secured a blower unit and a supply tank. The blower unit includes a drive motor and a blower driven thereby. The blower unit is mounted on the backpack by at least one anti-vibration element. The supply tank, for example for spray agent, is mechanically separated from the blower unit and is also mounted on the backpack by at least one anti-vibration element. A removable, at least approximately rigid connection element is provided for coupling the supply tank and the blower unit together or for isolating them from one another with respect to vibrations.
    Type: Application
    Filed: October 12, 2005
    Publication date: May 4, 2006
    Applicant: Andreas Stihl AG & Co. KG
    Inventors: Klaus Langhans, Michael Raffenberg, Bettina Zitzmann