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:
Dec. 12, 2000
Filed:
Oct. 04, 1996
Robert Lee Wilkins, Houston, TX (US);
Steven Dwayne Gullion, Houston, TX (US);
Charles Edward Jones, Humble, TX (US);
Kvaerner Oilfield Products, Houston, TX (US);
Abstract
A coupling element having two ends, and outer surface and a longitudinal axis extending between the ends, wherein the first end of the coupling element defines a sealing surface where extends normally to the longitudinal axis and the outer surface of the other end defines a cam follower surface forming an angle on the range of from about 2 to about 10 degrees with respect to the longitudinal axis and wherein the second end defines the cam follower surface and the coupling element defines a passage extending from the sealing surface to the outer surface and apparatus comprising the coupling element and valve elements.