Patents by Inventor Michael Niedermeyer

Michael Niedermeyer 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 hardening stainless steel and molten salt bath for realizing said process
    Patent number: 7909943
    Abstract: A process for hardening a work piece of stainless steel through diffusion of the elements carbon and/or nitrogen into the work piece surfaces. The work piece is submerged into a molten salt bath and subjected to the molten salt bath for a period ranging from 15 minutes to 240 hours at temperatures below 450° C. In addition to potassium chloride and lithium chloride, the molten salt bath contains an activator substance consisting of barium chloride, strontium chloride, magnesium chloride and/or calcium chloride, and a free or complex cyanide as carbon-donating substance.
    Type: Grant
    Filed: June 11, 2007
    Date of Patent: March 22, 2011
    Assignee: Durferrit GmbH
    Inventors: Ulrich Baudis, Michael Niedermeyer
  • Method for hardening stainless steel and molten salt bath for realizing said process
    Publication number: 20080099108
    Abstract: A process for hardening a work piece of stainless steel through diffusion of the elements carbon and/or nitrogen into the work piece surfaces. The work piece is submerged into a molten salt bath and subjected to the molten salt bath for a period ranging from 15 minutes to 240 hours at temperatures below 450° C. In addition to potassium chloride and lithium chloride, the molten salt bath contains an activator substance consisting of barium chloride, strontium chloride, magnesium chloride and/or calcium chloride, and a free or complex cyanide as carbon-donating substance.
    Type: Application
    Filed: June 11, 2007
    Publication date: May 1, 2008
    Applicant: Durferrit GmbH
    Inventors: Ulrich Baudis, Michael Niedermeyer
  • Solar modules with a transparent polyurethane front side and a process for producing same
    Patent number: 7049803
    Abstract: Solar modules in which the front side is composed of transparent polyurethane are made by RIM, injection molding and casting processes and combinations thereof.
    Type: Grant
    Filed: January 14, 2002
    Date of Patent: May 23, 2006
    Assignee: Bayer Aktiengesellschaft
    Inventors: Karl-Heinz Dörner, Hubert Ehbing, Christian Hässler, Jürgen Ramthun, Gunther Stollwerck, Robert Eiben, Michael Niedermeyer, Peter Schuster
  • Solar modules with a transparent polyurethane front side and a process for producing same
    Publication number: 20020148496
    Abstract: Solar modules in which the front side is composed of transparent polyurethane are made by RIM, injection molding and casting processes and combinations thereof.
    Type: Application
    Filed: January 14, 2002
    Publication date: October 17, 2002
    Inventors: Karl-Heinz Dorner, Hubert Ehbing, Christian Hassler, Jurgen Ramthun, Gunther Stollwerck, Robert Eiben, Michael Niedermeyer, Peter Schuster