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. 29, 2011
Filed:
Jan. 19, 2006
Applicants:
Inge Østergaard, Heggedal, NO;
Erik Raad, Oslo, NO;
Inventors:
Inge Østergaard, Heggedal, NO;
Erik Raad, Oslo, NO;
Assignee:
Vetco Gray Scandinavia AS, Sandvika, NO;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F16J 15/08 (2006.01); E21B 17/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A sealing element including a tube-shaped body of metallic material and first and second male sealing members arranged at a respective end of the body. At least two intermediate members are arranged in series in the body between the first and second male sealing members. Each one of the intermediate members is compressible so as to be capable to store elastic energy when the body is subjected to axial compression and includes a protuberance arranged in the body and extending around the center axis of the body. A coupling device provided with such a sealing element.