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. 08, 1987
Filed:
Aug. 21, 1986
Applicant:
Inventors:
Jorg A Angehrn, Brea, CA (US);
Dennis J Fischer, Walnut Creek, CA (US);
Assignee:
Chevron Research Co., San Francisco, CA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01V / ;
U.S. Cl.
CPC ...
73151 ; 73623 ; 367 69 ;
Abstract
The present invention is an improved mud excluder fitted around a rotating acoustic transducer of a borehole televiewer to exclude mud from the borehole televiewer. This mud excluder has:
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Angehrn, Jorg. (1987). Flexible mud excluder for borehole televiewer (U.S. Patent No. 4711122). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4711122
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile