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:
Mar. 10, 1992
Filed:
Oct. 15, 1987
Applicant:
Inventor:
Eugene D Bednar, Houston, TX (US);
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B / ;
U.S. Cl.
CPC ...
367 13 ;
Abstract
A checker is provided that attaches to a seismic streamer cable section and provides an audible output in response to a pressure pulse when the polarity of the hydrophones in that cable section are correct. Methods for checking a hydrophone and its polarity and alternative apparatus are also provided.
Quick Actions:
Bednar, Eugene. (1992). Hydrophone checker (U.S. Patent No. 5095464). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5095464
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