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.

Date of Patent:
Nov. 21, 2006

Filed:

Apr. 06, 2004
Applicants:

Ryan Gustafson, Houston, TX (US);

Jonathan Bowen, Houston, TX (US);

Inventors:

Ryan Gustafson, Houston, TX (US);

Jonathan Bowen, Houston, TX (US);

Assignee:

Hydril Company L.P., Houston, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 19/16 (2006.01); E21B 33/06 (2006.01);
U.S. Cl.
CPC ...
Abstract

An air swivel ring includes a non-rotating member having an air inlet, a rotating member having an air outlet, and a split seal having a first sealing surface and coupled to one of the non-rotating member and the rotating member so that the first sealing surface on the seal is disposed proximate a second sealing surface on the other of the non-rotating member and the rotating member.


Find Patent Forward Citations

Loading…