Patents by Inventor Harold R. Smithson

Harold R. Smithson 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).

  • Cylindrical metal honeycomb catalyst supports, and method for forming them
    Patent number: 4350617
    Abstract: A metal honeycomb catalyst support is formed by stacking flat strips of metal into a cylindrical shell. The shell is divided by a partition along the axis of the shell. The strips are stacked parallel to the partition. The partition insures that the strips lie flat and are tightly compacted. Indentations in the strips maintain the spacing between the strips. The present invention provides an economical method for making small numbers of honeycombs, which method does not require the use of expensive machinery.
    Type: Grant
    Filed: April 20, 1981
    Date of Patent: September 21, 1982
    Inventors: William B. Retallick, Harold R. Smithson