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:
Oct. 30, 2012
Filed:
Sep. 11, 2009
Applicants:
Eva Ackerman, Houston, TX (US);
Yanwei Cen, Houston, TX (US);
William Francis Flynn, Houston, TX (US);
Richard Garza, Houston, TX (US);
Inventors:
Eva Ackerman, Houston, TX (US);
Yanwei Cen, Houston, TX (US);
William Francis Flynn, Houston, TX (US);
Richard Garza, Houston, TX (US);
Assignee:
The Rectorseal Corporation, Houston, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B08B 9/093 (2006.01); B08B 5/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A heat exchanger may be cleaned by introducing compressed nitrogen and a flushing composition through an injection device.