The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 16, 2013
Filed:
Jul. 29, 2009
Applicants:
Alexander Knafl, Royal Oak, MI (US);
Patrick G. Szymkowicz, Shelby Township, MI (US);
Alan L. Browne, Grosse Pointe, MI (US);
Nancy L. Johnson, Northville, MI (US);
Inventors:
Alexander Knafl, Royal Oak, MI (US);
Patrick G. Szymkowicz, Shelby Township, MI (US);
Alan L. Browne, Grosse Pointe, MI (US);
Nancy L. Johnson, Northville, MI (US);
Assignee:
GM Global Technology Operations LLC, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B08B 9/043 (2006.01);
U.S. Cl.
CPC ...
Abstract
A cleaning mechanism for and method of autonomously removing deposits from the interior surface of a tube comprises a cleaning member secured relative to the surface and preferably, an active material element drivenly coupled to or engaged with the member so as to selectively cause the member to translate, thereby removing deposits from the surface.