Patents by Inventor Cord-Hinrich Bremer

Cord-Hinrich Bremer 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: 9738964
    Abstract: A method for the nitro-carburization of a deep-drawn article or a stamped-bent article made of austenitic rustproof stainless steel includes inserting the article into an oven in a first process step and heating the article to a first temperature, wherein an oxygen containing standard atmosphere that is present in the oven is replaced by a first gas mixture, and in which the article is heated up to a second temperature in a second process step, wherein the first gas mixture is replaced by a second gas mixture, and in which the article is maintained on the second temperature in a third process step, wherein the article is treated with the second gas mixture, and in which the article is cooled down to a third temperature in a fourth process step, wherein the second gas mixture is replaced by a third gas mixture.
    Type: Grant
    Filed: December 2, 2014
    Date of Patent: August 22, 2017
    Assignee: Hubert Stücken GmbH & Co. KG
    Inventors: Cord-Hinrich Bremer, Rolf Lange
  • Patent number: 9738962
    Abstract: A method for the carburization of a deep-drawn article or a stamped-bent article made of austenitic rustproof stainless steel includes inserting the article into an oven in a first process step and heating the article to a first temperature, wherein an oxygen containing standard atmosphere that is present in the oven is replaced by a first gas mixture, and in which the article is heated up to a second temperature in a second process step, wherein the first gas mixture is replaced by a second gas mixture, and in which the article is maintained on the second temperature in a third process step, wherein the second gas mixture is replaced by a third gas mixture, and in which the article is cooled down to a third temperature in a fourth process step, wherein the third gas mixture is replaced by a fourth gas mixture.
    Type: Grant
    Filed: December 2, 2014
    Date of Patent: August 22, 2017
    Assignee: Hubert Stücken GmbH & Co. KG
    Inventors: Cord-Hinrich Bremer, Rolf Lange
  • Publication number: 20150159262
    Abstract: A method for the nitro-carburization of a deep-drawn article or a stamped-bent article made of austenitic rustproof stainless steel includes inserting the article into an oven in a first process step and heating the article to a first temperature, wherein an oxygen containing standard atmosphere that is present in the oven is replaced by a first gas mixture, and in which the article is heated up to a second temperature in a second process step, wherein the first gas mixture is replaced by a second gas mixture, and in which the article is maintained on the second temperature in a third process step, wherein the article is treated with the second gas mixture, and in which the article is cooled down to a third temperature in a fourth process step, wherein the second gas mixture is replaced by a third gas mixture.
    Type: Application
    Filed: December 2, 2014
    Publication date: June 11, 2015
    Inventors: Cord-Hinrich Bremer, Rolf Lange
  • Publication number: 20150159260
    Abstract: A method for the carburization of a deep-drawn article or a stamped-bent article made of austenitic rustproof stainless steel includes inserting the article into an oven in a first process step and heating the article to a first temperature, wherein an oxygen containing standard atmosphere that is present in the oven is replaced by a first gas mixture, and in which the article is heated up to a second temperature in a second process step, wherein the first gas mixture is replaced by a second gas mixture, and in which the article is maintained on the second temperature in a third process step, wherein the second gas mixture is replaced by a third gas mixture, and in which the article is cooled down to a third temperature in a fourth process step, wherein the third gas mixture is replaced by a fourth gas mixture.
    Type: Application
    Filed: December 2, 2014
    Publication date: June 11, 2015
    Inventors: Cord-Hinrich Bremer, Rolf Lange