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:
Mar. 20, 2012
Filed:
Dec. 31, 2008
Applicants:
Mark A. Smith, Natrona Heights, PA (US);
Thomas Marti, Mars, PA (US);
Bryan St. Onge, Hastings, CA;
Henri St. Onge, Hastings, CA;
Inventors:
Mark A. Smith, Natrona Heights, PA (US);
Thomas Marti, Mars, PA (US);
Bryan St. Onge, Hastings, CA;
Henri St. Onge, Hastings, CA;
Assignee:
Underground Solutions Technologies Group, Inc., Poway, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C 73/00 (2006.01); B29C 45/17 (2006.01); B29C 45/14 (2006.01); B29B 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed is a conduit expansion method, including: inserting a liner conduit formed from a polyvinyl chloride material at least partially within a host conduit; circulating fluid within an inner area of the liner conduit; and injecting fluid into the inner area of the liner conduit; wherein the liner conduit at least partially expands within the host conduit.