Patents by Inventor Wolfgang Asal

Wolfgang Asal 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).

  • Extraction device having a centrifugal separator
    Patent number: 7887611
    Abstract: In an extraction device comprising a suction apparatus (16) with an electric motor (32) and an centrifugal separator (14) exhibiting an inlet cylinder (22), a vertically arranged dip pipe (30) and a lateral suction nozzle (24) through which a laden gas stream enters the inlet cylinder (22), it is provided with a view to creating a low-cost and easy-to-handle extraction device of a compact design, having a centrifugal separator, that the electric motor (32) is arranged inside the dip pipe (30).
    Type: Grant
    Filed: June 27, 2006
    Date of Patent: February 15, 2011
    Assignee: Gardner Denver Schopfheim GmbH
    Inventors: Wolfgang Asal, Jürgen Fischer
  • Extraction device having a centrifugal separator
    Publication number: 20090223875
    Abstract: In an extraction device comprising a suction apparatus (16) with an electric motor (32) and an centrifugal separator (14) exhibiting an inlet cylinder (22), a vertically arranged dip pipe (30) and a lateral suction nozzle (24) through which a laden gas stream enters the inlet cylinder (22), it is provided with a view to creating a low-cost and easy-to-handle extraction device of a compact design, having a centrifugal separator, that the electric motor (32) is arranged inside the dip pipe (30).
    Type: Application
    Filed: June 27, 2006
    Publication date: September 10, 2009
    Inventors: Wolfgang Asal, Jürgen Fischer