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:
Dec. 25, 2007
Filed:
May. 20, 2005
Phillip K. Morrison, Broken Arrow, OK (US);
Eric N. Freeman, Sapulpa, OK (US);
Mark A. Morgan, Tulsa, OK (US);
Tony R. Garrison, Bixby, OK (US);
Phillip K. Morrison, Broken Arrow, OK (US);
Eric N. Freeman, Sapulpa, OK (US);
Mark A. Morgan, Tulsa, OK (US);
Tony R. Garrison, Bixby, OK (US);
TDW Delaware, Inc., Wilmington, DE (US);
Abstract
A method of providing access to the interior of a cross-line that intersects with a primary pipeline of equal or greater diameter, including the steps of attaching a branch fitting to the exterior of the primary pipeline on the side thereof opposite the point of intersection of the cross-line, affixing a full opening valve to the branch fitting, securing a hot tap machine to the valve, by use of the hot tap machine, cutting an opening in the primary pipeline diametrically opposite of the cross-line and of a diameter at least equal to the internal diameter of the cross-line, and removing the hot tap machine leaving an access through the valve and diametrically through the primary pipeline into the interior of the cross-line.