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:
Nov. 11, 2008
Filed:
Jul. 20, 2004
Applicants:
Richard J. Buckwitz, Issaquah, WA (US);
Peter D. Mccowin, Enumclaw, WA (US);
Mark R. Weber, Seattle, WA (US);
Inventors:
Richard J. Buckwitz, Issaquah, WA (US);
Peter D. McCowin, Enumclaw, WA (US);
Mark R. Weber, Seattle, WA (US);
Assignee:
The Boeing Company, Chicago, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B08B 9/053 (2006.01);
U.S. Cl.
CPC ...
Abstract
Techniques for cleaning the inside of complexly-bent tubing are disclosed using a combination of minimal amounts of solvent and pneumatically propelled foam pellets. In order to increase device efficiency, an escapement apparatus employs a vacuum-assisted loading mechanism and retaining pin to reliably load one pellet at a time.