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:
Nov. 18, 2025
Filed:
Nov. 20, 2018
Applicant:
Aut Ventures Limited, Auckland, NZ;
Inventors:
Ahmed Al-Jumaily, Auckland, NZ;
Ata Meshkinzar, Auckland, NZ;
Assignee:
AUT Ventures Limited, Auckland, NZ;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05B 17/06 (2006.01); B06B 1/06 (2006.01); F24F 6/12 (2006.01); H04R 17/00 (2006.01); A23B 11/16 (2025.01);
U.S. Cl.
CPC ...
B05B 17/0607 (2013.01); B06B 1/0655 (2013.01); F24F 6/12 (2013.01); H04R 17/00 (2013.01); A23B 11/162 (2025.01); B06B 2201/77 (2013.01);
Abstract
A cylindrical piezoelectric transducer is described the cylindrical piezoelectric transducer comprising: a tube having inner and outer surfaces and a first inner diameter, first outer diameter and a first thickness; at least one stepped band having a stepped inner diameter, stepped outer diameter and stepped thickness and wherein the stepped thickness is less than the first thickness and the at least one stepped bands are spaced along the length of the tube and alternate with bands of the first thickness; and conductive material disposed over the inner and outer surfaces of the tube.