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:
Jul. 14, 1992
Filed:
Apr. 30, 1991
Applicant:
Inventor:
Paul B Ritter, Jr, Slidell, LA (US);
Assignee:
Shell Offshore Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ; E21B / ;
U.S. Cl.
CPC ...
166368 ;
Abstract
A protective cover for protecting a wellhead mandrel and related equipment of a subsea wellhead when the drilling and producing equipment is removed. The protective cover is installed and removed using a pipe or cable running string with provisions for using either a hydraulic jet, a Remotely Operated Vehicle (ROV) or surface rig movements to position the cover.
Ritter, Jr, Paul. (1992). Guide base cover (U.S. Patent No. 5129460). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5129460
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile