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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.:

US 4596495 B1

PDFFull Text
Date of Patent:
Jun. 24, 1986

Filed:

Feb. 22, 1985

Spud bushing system for mobile offshore arctic drilling structure

Applicant:
Inventors:

Robert A Scharnell, Jr, Clayton, CA (US);

Robert F Mast, Auburn, WA (US);

Assignee:

Standard Oil Company, , OH (US);

Attorneys:

Untener; D. J.

Evans; L. W.

Primary Examiner:

David H Corbin

Int. Cl.
CPC ...
E02B / ;
U.S. Cl.
CPC ...
405227 ; 405217 ;
Abstract

A spud bushing system for a mobile offshore arctic drilling structure that permits removal of a spud bushing in a controllable manner even under load. The spud bushing system is characterized by a bushing seat fixed in the structure, an annular bushing surrounding the spud and operative when seated in the bushing seat to support laterally the spud while permitting relative vertical movement therebetween, and plural hydraulic actuators arranged about the periphery of the bushing seat and operable to effect seating and controlled unseating of the bushing.

Find Patent Forward Citations

Scharnell, Jr, Robert. (1986). Spud bushing system for mobile offshore arctic drilling structure (U.S. Patent No. 4596495). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4596495

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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