Patents by Inventor Roland Soderstrom

Roland Soderstrom 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: 4343982
    Abstract: A method of joining two metal members to a graphite member to form a structure having a low transition resistance is described. The method includes the steps of providing a plurality of openings in the graphite member, interposing the graphite member between the two metal members and positioning the metal members to cover the openings in the graphite member, and resistance spot welding the metal members to the graphite member at the openings in the graphite member. This method is advantageous in forming a bus-bar connection between a pair of opposite polarity graphite electrodes in an electrochemical cell stack, such as a zinc-chloride battery. In this particular application, it is preferred that titanium be used for the metal members.
    Type: Grant
    Filed: March 23, 1981
    Date of Patent: August 10, 1982
    Assignee: Energy Development Associates, Inc.
    Inventors: Stephan Schwartz, Roland Soderstrom, Ake Bjareklint