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. 15, 2016
Filed:
Dec. 23, 2010
Applicants:
Jørgen Hallundbæk, Græsted, DK;
Peter Gråbæk, Greve, DK;
Inventors:
Jørgen Hallundbæk, Græsted, DK;
Peter Gråbæk, Greve, DK;
Assignee:
WELLTEC A/S, Allerød, DK;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 43/38 (2006.01); E21B 37/00 (2006.01); E21B 21/00 (2006.01); E21B 43/12 (2006.01);
U.S. Cl.
CPC ...
E21B 37/00 (2013.01); E21B 21/002 (2013.01); E21B 43/128 (2013.01);
Abstract
The present invention relates to a downhole tool () for borehole cleaning or for moving fluid in a borehole. The tool comprises a tool housing (), a chamber inlet () and a chamber outlet (), and the tool housing comprises a pump () arranged in a pump housing () and a driving unit powered by an electrical conducting means for driving the pump.