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:
May. 14, 2013
Filed:
Sep. 27, 2006
Applicant:
Per A. Vatne, Kristiansand, NO;
Inventor:
Per A. Vatne, Kristiansand, NO;
Assignee:
Wellquip AS, Kristiansand, NO;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 44/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A device for cleaning and doping (lubrication) equipment for threads () of the type used to join pipes () to a pipe string (), especially in connection with petroleum production, where cleaning fluid and dope (lubricant) are sprayed at the threads () at relatively high pressure from at least one nozzle () mounted in the rotatable make-up section () of a power tong, and where at least one injection pump () arranged to supply cleaning fluid or dope to the at least one nozzle () is located in the rotatable make-up section ().