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. 30, 1999
Filed:
Feb. 18, 1997
Applicant:
Inventor:
Frank Everett Sager, Clear Lake Shores, TX (US);
Assignee:
Oceaneering International Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
310331 ; 310330 ;
Abstract
The present invention is directed to a piezoelectric unit cell. The piezoelectric unit cell comprises two piezoelectric mechanically biased bender-elements placed together end-to-end and held together at their ends, the two bender-elements being mechanically biased in opposite directions such that each element is in contact only at their ends.