Patents by Inventor Wilhelm Lankreijer

Wilhelm Lankreijer 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).

  • Composite sliding surface bearing
    Patent number: 4836695
    Abstract: A composite sliding surface bearing consisting of a backing layer of steel, a bearing alloy layer which consists of aluminum and has been applied to said backing layer, and a sliding surface layer which consists of zinc phosphate and has been deposited on said bearing alloy layer. The backing layer of steel is provided on its outside surface in a thickness between 0.5 and 5 .mu.m with a metallic protective layer in order to ensure a firm retention in the bearing housing.
    Type: Grant
    Filed: August 3, 1988
    Date of Patent: June 6, 1989
    Assignee: Kolbenschmidt Aktiengesellschaft
    Inventors: Hans-Paul Baureis, Wolfgang Bickle, Wilhelm Lankreijer