Patents by Inventor Helga Frank

Helga Frank 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).

  • Method and apparatus for electrostatically charging and separating particles that are difficult to separate
    Patent number: 8002876
    Abstract: The invention relates to an electrostatic filter method and electrostatic filter for separating particles from industrial waste gases, wherein an optimal electric charging or ionization in the ionization zone are performed in a high-voltage zone and its unchanged ducts with one high-voltage supply source to ensure the subsequent particle separation in the separation zone at sufficient field strength which requires minimal energy input.
    Type: Grant
    Filed: January 9, 2006
    Date of Patent: August 23, 2011
    Assignee: Balcke-Durr GmbH
    Inventors: Werner Jakob Frank, Helga Frank, legal representative
  • Method and Apparatus for Electrostatically Charging and Separating Particles That Are Difficult to Separate
    Publication number: 20090165648
    Abstract: The subject matter of the invention are electrostatic filter method and electrostatic filter for separating particles from industrial waste gases, whereas an optimal electric charging or ionization in the ionization zone are performed in a high-voltage zone and its unchanged ducts with one high-voltage supply source to ensure the subsequent particle separation in the separation zone at sufficient field strength which requires minimal energy input.
    Type: Application
    Filed: January 9, 2006
    Publication date: July 2, 2009
    Applicant: BALCKE-DURR GMBH
    Inventors: Werner Jakob Frank, Helga Frank