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. 06, 2009
Filed:
Jul. 17, 2003
Applicants:
Johannis Josephus Den Boer, Rijswijk, NL;
Anthony Thomas Cole, Rijswijk, NL;
Klisthenis Dimitriadis, Rijswijk, NL;
Djurre Hans Zijsling, Rijswijk, NL;
Inventors:
Johannis Josephus Den Boer, Rijswijk, NL;
Anthony Thomas Cole, Rijswijk, NL;
Klisthenis Dimitriadis, Rijswijk, NL;
Djurre Hans Zijsling, Rijswijk, NL;
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08B 13/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
An improved method of permanently marking the location of a tubular joint, the method including creating a cavity into the end surface of one of the tubular ends that are to be joined by a forge weld or screw thread connection, inserting a marker into said cavity and subsequently joining the tubular ends.