Patents by Inventor Stephen W. Christoffersen

Stephen W. Christoffersen 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).

  • Corrosion test assembly
    Patent number: 4563427
    Abstract: A corrosion test assembly adapted for operative placement in a flowing gaseous medium for subjection to corrosive materials therein, more particularly, in scrubber systems, the assembly including a support and mounting means removably attachable to an outer surface of a component containing a flowing gaseous medium wherein at least one corrosion test specimen or coupon is mounted on the support and mounting means, with the test member extendable into the gaseous medium, wherein the test specimen is subjected to corrosive action by corrosive materials in the gaseous medium.
    Type: Grant
    Filed: October 28, 1983
    Date of Patent: January 7, 1986
    Inventors: Mark D. Weiss, Stephen W. Christoffersen