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:
Jan. 14, 2014
Filed:
Dec. 17, 2009
Roland Mueller, Steinheim, DE;
Gerhard Hueftle, Aspach, DE;
Michael Horstbrink, Stuttgart-Feuerbach, DE;
Tobias Lang, Stuttgart, DE;
Sami Radwan, Stuttgart, DE;
Bernd Kuenzl, Schwieberdingen, DE;
Roland Wanja, Markgroeningen, DE;
Roland Mueller, Steinheim, DE;
Gerhard Hueftle, Aspach, DE;
Michael Horstbrink, Stuttgart-Feuerbach, DE;
Tobias Lang, Stuttgart, DE;
Sami Radwan, Stuttgart, DE;
Bernd Kuenzl, Schwieberdingen, DE;
Roland Wanja, Markgroeningen, DE;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
A method for manufacturing an ultrasonic transducer for use in a fluid medium. At least one piezoelectric transducer element is joined directly or indirectly to at least one matching member for promoting vibration coupling between the piezoelectric transducer element and the fluid medium. A matching member is used which has at least one porous molding of a polymer.