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:
Jun. 28, 1988
Filed:
Jul. 10, 1986
Applicant:
Inventor:
Donald Murphy, Wellesley, MA (US);
Assignee:
Piezo Electric Products, Inc., Cambridge, MA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B / ;
U.S. Cl.
CPC ...
417322 ; 417410 ; 310330 ; 261 99 ; 2391022 ;
Abstract
An ultrasonic wave generator includes a resonant member tapered to a thin edge, the member having a Q of about 300 or more.