Class 15/104.012 - Piston groove

Subclass of Class 15 - Brushing, scrubbing, and general cleaning
Definition: Subject matter which includes a piston ring slot cleaning
No. of patents: 2
Last issue date: 10/14/2003

Number	Title	Issue Date
6631532	Engine block cylinder groove cleaner An engine block cylinder groove cleaner for cleaning the grooves in the cylinder of a diesel engine. The engine block cylinder groove cleaner includes a main housing comprising a lower portion. A plurality of groove cleaning members each being outwardly e...	10/14/2003
4079477	Apparatus for cleaning piston ring grooves This invention relates to an apparatus for cleaning accumulated carbon and other material from the ring grooves of pistons. The apparatus includes a cylindrical housing adapted to accommodate a piston therein, and a plurality of mutually spaced apart clea...	03/21/1978

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