Patents by Inventor Michael Lumm

Michael Lumm 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 the utilization of vanadium from chromium ore as vanadium (V) oxide
    Patent number: 7157063
    Abstract: Process wherein the vanadium present in the chromium ore chromite is recovered as vanadium pentoxide during the course of the fusion of the chromium ore with alkali and its work-up to produce sodium chromate solution and sodium dichromate.
    Type: Grant
    Filed: April 1, 2003
    Date of Patent: January 2, 2007
    Assignee: Bayer Aktiengesellschaft
    Inventors: Rainer Weber, Hans-Dieter Block, Michael Batz, Jost Halstenberg, Michael Lumm, Roland-Luiz Roth, Dawie Van Der Merre
  • Method and feed device for effecting the advance movement of at least one tool support that rotates around a rotationally symmetrical part
    Patent number: 6786118
    Abstract: A method and apparatus for carrying out an advancing movement of a tool support rotating about a rotationally symmetric component, and an associated feed device, are described. The tool support is capable of being fed via a leadscrew, is supported on a component, and is driven in rotation as a whole by a stationarily mounted main motor via a main transmission mechanism connected firmly to a support of the tool support.
    Type: Grant
    Filed: May 13, 2002
    Date of Patent: September 7, 2004
    Assignee: Siemens Aktiengesellschaft
    Inventors: Michael Lumm, Jürgen Sandkuhl, Alfred Wagenfeld
  • Process for the utilization of vanadium from chromium ore as vanadium (V) oxide
    Publication number: 20040026330
    Abstract: Process wherein the vanadium present in the chromium ore chromite is recovered as vanadium pentoxide during the course of the fusion of the chromium ore with alkali and its work-up to produce sodium chromate solution and sodium dichromate.
    Type: Application
    Filed: April 1, 2003
    Publication date: February 12, 2004
    Applicant: Bayer Aktiengesellschaft
    Inventors: Rainer Weber, Hans-Dieter Block, Michael Batz, Jost Halstenberg, Michael Lumm, Roland-Luiz Roth, Dawie Van Der Merre