Patents by Inventor Harm Geert Nobach

Harm Geert Nobach 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 for installing cables in ducts using a pressurized fluid and a device for carrying out said method
    Patent number: 6631884
    Abstract: Method and device for installing cables in ducts using a pressurized fluid, a fluid being applied which, under the operational pressure and operational temperature applied during the installation, is in a liquid state and which, under the ambient pressure and ambient temperature prevailing at the location of the installation, is in gaseous state. By applying such a fluid, the advantages of installing a cable using a liquid flow and using a gas flow may be combined, while the drawbacks respectively associated therewith are obviated.
    Type: Grant
    Filed: October 23, 2001
    Date of Patent: October 14, 2003
    Assignee: Koninklijke KPN N.V.
    Inventors: Willem Griffioen, Harm Geert Nobach
  • Method for installing cables in ducts using a pressurized fluid and a device for carrying out said method
    Patent number: 6517053
    Abstract: Method and device for installing cables in ducts using a pressurized fluid, a fluid being applied which, under the operational pressure and operational temperature applied during the installation, is in a liquid state and which, under the ambient pressure and ambient temperature prevailing at the location of the installation, is in gaseous state. By applying such a fluid, the advantages of installing a cable using a liquid flow and using a gas flow may be combined, while the drawbacks respectively associated therewith are obviated.
    Type: Grant
    Filed: February 15, 2001
    Date of Patent: February 11, 2003
    Assignee: Koninklijke KPN N.V.
    Inventors: Willem Griffioen, Harm Geert Nobach
  • Method for installing cables in ducts using a pressurized fluid and a device for carrying out said method
    Publication number: 20020139966
    Abstract: Method and device for installing cables in ducts using a pressurized fluid, a fluid being applied which, under the operational pressure and operational temperature applied during the installation, is in a liquid state and which, under the ambient pressure and ambient temperature prevailing at the location of the installation, is in gaseous state. By applying such a fluid, the advantages of installing a cable using a liquid flow and using a gas flow may be combined, while the drawbacks respectively associated therewith are obviated.
    Type: Application
    Filed: October 23, 2001
    Publication date: October 3, 2002
    Applicant: Koninklijke KPN N.V. a corporation of The Netherlands
    Inventors: Willem Griffioen, Harm Geert Nobach