Patents by Inventor Klaus Reimann

Klaus Reimann 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).

  • Patent number: 4445523
    Abstract: Apparatus for cleaning the surface of small quartz-crystal pieces with aqueous hydrofluoric acid is disclosed wherein the quartz pieces are introduced into a vessel containing a conveying means and conveyed e.g. horizontally in counter-current to aqueous hydrofluoric acid introduced at the opposed end of the vessel. During the washing the quartz pieces are tumbled.
    Type: Grant
    Filed: April 29, 1983
    Date of Patent: May 1, 1984
    Assignee: Heraeus Quarzschmelze GmbH
    Inventors: Rolf Bruning, Klaus Reimann