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:
Apr. 27, 1982
Filed:
Nov. 27, 1979
Applicant:
Inventors:
Masanao Oshima, Tokyo, JP;
Nobuyoshi Yashima, Funabashi, JP;
Assignee:
Mitsui Engineering and Shipbuilding Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
E02B / ;
U.S. Cl.
CPC ...
405217 ; 405 61 ;
Abstract
An artificial island for installing oil drilling equipment in ice covered sea areas, comprising barricades against ice which surround oil drilling equipment installed in ice covered sea-water and whose respective top portions are projected above the surface of the sea-water, means provided at the bottom portions of the barricades so as to fix them to the sea-bottom, and inclined ice breaking walls provided at the outer sides of the barricades.
Quick Actions:
Oshima, Masanao. (1982). Artificial island for installing oil drilling equipment in ice covered (U.S. Patent No. 4326822). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4326822
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile