Patents by Inventor Horst Riedel

Horst Riedel 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).

  • Apparatus for extracting and analysing dust-laden gas samples
    Patent number: 4485684
    Abstract: Apparatus for extracting and analyzing dust-laden gas samples and in which a gas extraction connection is constructed in the form of a stilling chamber leading to an analyzer via a three-way valve to which is connected a cleansing air connection. A time control device periodically interrupts the flow of gas to the analyzer and directs cleansing air of the extraction connection.
    Type: Grant
    Filed: October 18, 1982
    Date of Patent: December 4, 1984
    Assignee: Krupp Polysius AG
    Inventors: Rudolf Weber, Horst Riedel