Patents by Inventor Dieter Poller

Dieter Poller 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).

  • Process for lining tunnels
    Patent number: 4247221
    Abstract: Plastic hose means, preferably of high pressure polyethylene admixed with a flame retarding agent and treated to render the same antistatic and characterized by a resistance to tearing of at least 15 N/mm.sup.2, an extension of at least 450 percent, a resistance to piercing of at least 1.5 J and a resistance to continued tearing of at least 17 N/mm, are disclosed, as is a process for using the hose means for filling the space between the rock face of a mine or tunnel and the supporting structure therefor.
    Type: Grant
    Filed: January 30, 1979
    Date of Patent: January 27, 1981
    Assignee: Kali und Salz AG
    Inventors: Hans Lewer, Dieter Poller, Gunter Seifert
  • Process for suppressing dust in mines
    Patent number: 4190292
    Abstract: The generation of dust in a longwall mining operation is suppressed by covering the hanging wall of the mine with a plastic sheeting, the sheeting being pinned against the hanging wall by the support units used in the mine and being held in association the support units in the form of a flat package formed by folding the sheeting in a zigzag fashion along its entire length.
    Type: Grant
    Filed: April 11, 1978
    Date of Patent: February 26, 1980
    Assignee: Chemische Fabrik Kalk GmbH
    Inventors: Harald Johannes, Gunther Seifert, Hans Lewer, Dieter Poller