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:
Jan. 23, 2007
Filed:
Aug. 21, 2003
Applicants:
Ralph S. Friedrich, Hermosa Beach, CA (US);
Joie L. Folkers, Wichita Falls, TX (US);
Brian M. Francis, Wichita Falls, TX (US);
Inventors:
Ralph S. Friedrich, Hermosa Beach, CA (US);
Joie L. Folkers, Wichita Falls, TX (US);
Brian M. Francis, Wichita Falls, TX (US);
Assignee:
Ameron International Corporation, Pasadena, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65H 81/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
Methods for forming double containment pipeline sections are provided where granular material is used to define the annuluses of such pipeline sections.