Patents by Inventor Karl Wilhelm Wegner

Karl Wilhelm Wegner 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).

  • Steel material with high thermal-resistance for producing engine piston upper parts
    Patent number: 5882585
    Abstract: A steel material is useful for producing the upper part of engine pistons with high wear, corrosion and heat resistance. This steel has the following composition (in % by weight): 1.20 to 150 Mn; 0.50 to 0.80 Si; 0.35 to 0.40 C; 0.10 to 0.50 Mo; 0.08 to 0.13 V; 0.010 to 0.065 S; 0.015 to 0.050 Al; .ltoreq.0.035 P, the remainder being iron and production impurities.
    Type: Grant
    Filed: February 4, 1998
    Date of Patent: March 16, 1999
    Assignee: Carl Dan Peddinghaus GmbH & Co. KG
    Inventors: Karl Wilhelm Wegner, Heinz Werner Breuer