Patents by Inventor Annette Holzer

Annette Holzer 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).

  • Patent number: 9750383
    Abstract: The invention relates to a cleaning brush for a floor cleaner, in particular, a self-propelled and self-steering floor cleaner, including at least one brush unit having a brush body defining a brush axis and being provided with cleaning bristles and having a first end and a second end, the at least one brush unit including at the first end or in the region of the first end a torque receiver device for coupling with a drive device of the floor cleaner. To provide such a cleaning brush which can be reliably mounted on a floor cleaner in a constructionally simple way, the at least one brush unit includes a bearing device for mounting on the floor cleaner, which is arranged between the first end and the second end. The invention also relates to a floor cleaner with a cleaning brush, in particular, a self-propelled and self-steering floor cleaner.
    Type: Grant
    Filed: June 16, 2015
    Date of Patent: September 5, 2017
    Assignee: Alfred Kärcher GmbH & Co. KG
    Inventors: Jacob Janzen, Annette Holzer, Martin Schmidgall, Guenther Erbel
  • Publication number: 20160278596
    Abstract: A self-propelling and self-steering floor cleaning appliance is provided which includes at least one cleaning unit and a dirt collecting container having a container interior, a bottom wall, a dirt inlet opening and a dirt outlet opening formed on the bottom wall, wherein dirt particles are transferable by means of the at least one cleaning unit into the container interior. To enable easy removal of dirt particles from the dirt collecting container while achieving a simple design, the floor cleaning appliance has a valve device actuatable by air pressure and arranged at the dirt outlet opening with at least one valve body which, in a closed position, at least partially forms the bottom wall and closes the dirt outlet opening and is transferable into an open position in which the dirt outlet opening is at least partially uncovered. The invention further relates to a cleaning system.
    Type: Application
    Filed: June 3, 2016
    Publication date: September 29, 2016
    Inventors: Jacob Janzen, Annette Holzer, Rainer Kurmann
  • Publication number: 20150272414
    Abstract: The invention relates to a cleaning brush for a floor cleaner, in particular, a self-propelled and self-steering floor cleaner, including at least one brush unit having a brush body defining a brush axis and being provided with cleaning bristles and having a first end and a second end, the at least one brush unit including at the first end or in the region of the first end a torque receiver device for coupling with a drive device of the floor cleaner. To provide such a cleaning brush which can be reliably mounted on a floor cleaner in a constructionally simple way, the at least one brush unit includes a bearing device for mounting on the floor cleaner, which is arranged between the first end and the second end. The invention also relates to a floor cleaner with a cleaning brush, in particular, a self-propelled and self-steering floor cleaner.
    Type: Application
    Filed: June 16, 2015
    Publication date: October 1, 2015
    Inventors: Jacob Janzen, Annette Holzer, Martin Schmidgall, Guenther Erbel