Patents by Inventor Dimitri Dratchnev

Dimitri Dratchnev 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: 6517639
    Abstract: A method and a device for decontaminating interior spaces are proposed. It is provided here that a base station and at least one mobile subunit are provided, the base station comprising a supply of decontamination agent and fuel and the subunit comprising decontamination equipment and a tank for ready-to-use decontamination agent, that the subunit is supplied with decontamination agent and with fuel at the base station and then transported to the item requiring decontamination of its interior space, the decontamination of the interior space is carried out and subsequently the subunit is returned to the base station to be re-supplied there with decontamination agent and fuel. Also proposed is a device with an off-road, automotive undercarriage with a drive motor, a storage tank for a decontamination liquid and a receiving tank for used decontamination liquid as well as a spray-extraction device for decontaminating the interior surface and with a generator for supplying power.
    Type: Grant
    Filed: April 12, 2001
    Date of Patent: February 11, 2003
    Assignee: Alfred Kaercher GmbH & Co.
    Inventors: Hans-Joachim Toepfer, Roland Kurz, Ruediger Hellstern, Ulli Reinhardt, Dimitri Dratchnev
  • Publication number: 20020112313
    Abstract: A method and a device for decontaminating interior spaces are proposed. It is provided here that a base station and at least one mobile subunit are provided, the base station comprising a supply of decontamination agent and fuel and the subunit comprising decontamination equipment and a tank for ready-to-use decontamination agent, that the subunit is supplied with decontamination agent and with fuel at the base station and then transported to the item requiring decontamination of its interior space, the decontamination of the interior space is carried out and subsequently the subunit is returned to the base station to be re-supplied there with decontamination agent and fuel. Also proposed is a device with an off-road, automotive undercarriage with a drive motor, a storage tank for a decontamination liquid and a receiving tank for used decontamination liquid as well as a spray-extraction device for decontaminating the interior surface and with a generator for supplying power.
    Type: Application
    Filed: April 12, 2001
    Publication date: August 22, 2002
    Inventors: Hans-Joachim Toepfer, Roland Kurz, Ruediger Hellstern, Ulli Reinhardt, Dimitri Dratchnev