Patents by Inventor J urgen Berghoff

J urgen Berghoff 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).

  • Special-steel alloy chains and chain parts
    Patent number: 5562881
    Abstract: Special-steel alloys for high-load-bearing chains and corresponding chain parts containing portions of carbon, silicon, manganese, phosphorus, sulfur, chromium, molybdenum, nickel and aluminum. In order to impart a higher strength and toughness for this purpose to the special-steel an additional alloy proportion of tungsten is used in a given weight ratio.
    Type: Grant
    Filed: June 26, 1995
    Date of Patent: October 8, 1996
    Assignee: J.D. Theile GmbH & Co., KG
    Inventor: J urgen Berghoff