Patents by Inventor Peter Michael LITTKEMANN

Peter Michael LITTKEMANN 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: 10799946
    Abstract: A die casting apparatus for manufacturing metal parts for automotive vehicle applications is provided. The die casting apparatus includes upper and lower dies presenting forming surfaces and a mold cavity therebetween. A replaceable insert and sub-inserts provide portions of the forming surfaces of the dies in areas most prone to wear and erosion. The replaceable inserts and sub-inserts can be removed and replaced during high volume production, without having to replace the entire die. A wear and/or heat resistant coating can be applied to the inserts and sub-inserts to further increase service life. A plurality of cooling channels can also be formed in the inserts and sub-inserts to improve cycle time and quality of the parts.
    Type: Grant
    Filed: February 6, 2017
    Date of Patent: October 13, 2020
    Assignee: MAGNA INTERNATIONAL INC.
    Inventors: Kenneth Ray Adams, Peter Joseph Bertolini, Peter Michael Littkemann
  • Publication number: 20180369904
    Abstract: A die casting apparatus for manufacturing metal parts for automotive vehicle applications is provided. The die casting apparatus includes upper and lower dies presenting forming surfaces and a mold cavity therebetween. A replaceable insert and sub-inserts provide portions of the forming surfaces of the dies in areas most prone to wear and erosion. The replaceable inserts and sub-inserts can be removed and replaced during high volume production, without having to replace the entire die. A wear and/or heat resistant coating can be applied to the inserts and sub-inserts to further increase service life. A plurality of cooling channels can also be formed in the inserts and sub-inserts to improve cycle time and quality of the parts.
    Type: Application
    Filed: February 6, 2017
    Publication date: December 27, 2018
    Inventors: Kenneth Ray ADAMS, Peter Joseph BERTOLINI, Peter Michael LITTKEMANN