Patents by Inventor Andreas Pfizenmaier

Andreas Pfizenmaier 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: 10293383
    Abstract: A mobile high-pressure cleaning apparatus is provided with a vehicle trailer, on the chassis of which at least two running wheels are held so as to be rotatable, and with a high-pressure cleaning appliance having a motor and a pump, and also with at least one water storage tank for storing water for the high-pressure cleaning appliance. So that water can be provided to the apparatus from the at least one water storage tank or from a water supply mains, without risk of water from the water supply mains being returned thereto, the high-pressure cleaning apparatus has a decoupling tank with at least one inlet which can be connected to the water supply mains, and at least one outlet which is connected to the high-pressure cleaning appliance and to at least one water supply tank via a shut-off member which can be actuated by the user.
    Type: Grant
    Filed: January 17, 2017
    Date of Patent: May 21, 2019
    Assignee: Alfred Kärcher SE Co. KG
    Inventors: Ronald Krauter, Andreas Pfizenmaier, Stefan Ehrhardt, Torsten Kern, Ulrich Bauer
  • Publication number: 20170120305
    Abstract: A mobile high-pressure cleaning apparatus is provided with a vehicle trailer, on the chassis of which at least two running wheels are held so as to be rotatable, and with a high-pressure cleaning appliance having a motor and a pump, and also with at least one water storage tank for storing water for the high-pressure cleaning appliance. So that water can be provided to the apparatus from the at least one water storage tank or from a water supply mains, without risk of water from the water supply mains being returned thereto, the high-pressure cleaning apparatus has a decoupling tank with at least one inlet which can be connected to the water supply mains, and at least one outlet which is connected to the high-pressure cleaning appliance and to at least one water supply tank via a shut-off member which can be actuated by the user.
    Type: Application
    Filed: January 17, 2017
    Publication date: May 4, 2017
    Inventors: Ronald Krauter, Thomas Schmidgall, Andreas Pfizenmaier, Stefan Ehrhardt