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:
May. 04, 2004
Filed:
May. 17, 2001
Applicant:
Inventors:
Adrian Kauf, Wangen, DE;
Stefan Tichy, Frastanz, AT;
Walter Littmann, Aerzen-Grupenhagen, DE;
Jörg Wallaschek, Paderborn, DE;
Assignee:
Hilti Aktiengesellschaft, Schaan, LI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02N 2/00 ;
U.S. Cl.
CPC ...
H02N 2/00 ;
Abstract
A device for operating a tool has an ultrasound adapter with an capacitive electro-acoustic transducer ( ) connected to an electrical ultrasonic frequency generator ( ) for producing ultrasonic wave for a tool ( ) driven by the device, wherein the capacitive electro-acoustic transducer ( ) is connected with a secondary winding ( ) and the ultrasonic frequency generator ( ) is connected with a primary winding ( ) of a transformer ( ).
Published as:
EP1157752A2; CN1324713A; DE10025352A1; JP2002028808A; US2003001456A1; US6731047B2; EP1157752A3; CN1219602C; DE10025352B4; EP1157752B1; DE50113742D1; JP4917215B2;