Patents by Inventor Andrew D. Aleson

Andrew D. Aleson 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).

  • Compact economical spark arrestor and muffler
    Patent number: 6540046
    Abstract: A screen-type spark arrestor (34) may be efficiently and compactly mounted in a muffler (10). A tubular screen is coaxial with an exhaust pipe (24) and has a first end (36) axially spaced from the pipe and star-crimped closed, and a second end (38) axially overlapping the pipe in concentric relation and crimped thereto by a crimp ring (40). The combination is mounted as a modular component by a flange (22) closing the muffler housing (12).
    Type: Grant
    Filed: August 6, 2001
    Date of Patent: April 1, 2003
    Assignee: Nelson Industries, Inc.
    Inventors: Kory J. Schuhmacher, Andrew D. Aleson