Piezoelectric actuator unit

Details for Australian Patent Application No. 2004242500 (hide)

Owner DBT Automation GmbH

Inventors Wagner, Horst; Titschert, Jens; Mundry, Sebastian M; Suilmann, Franz-Heinrich

Agent Pizzeys

Pub. Number AU-B-2004242500

Priority 10 2004 002 111.2 14.01.04 DE

Filing date 30 December 2004

Wipo publication date 28 July 2005

Acceptance publication date 8 January 2009

International Classifications

H02N 2/06 (2006.01) Electric machines in general using piezo-electric effect, electrostriction or magnetostriction

E21F 17/08 (2006.01) Methods or devices for use in mines or tunnels, not covered elsewhere

F16K 31/00 (2006.01) Operating means

F16K 31/02 (2006.01) Operating means - electric

F16K 31/04 (2006.01) Operating means - using a motor

H01L 41/04 (2006.01) Piezo-electric elements in general

H02N 2/00 (2006.01) Electric machines in general using piezo-electric effect, electrostriction or magnetostriction

Event Publications

13 January 2005 Complete Application Filed

  Priority application(s): 10 2004 002 111.2 14.01.04 DE

28 July 2005 Application Open to Public Inspection

  Published as AU-B-2004242500

3 November 2005 Change of Name(s) of Applicant(s), Section 104

  DBT Automation GmbH The name of the applicant has been changed to DBT GmbH 2005

8 January 2009 Application Accepted

  Published as AU-B-2004242500

7 May 2009 Standard Patent Sealed

2 August 2012 Application for Amendment

  The nature of the amendment is: Amend the patentee from DBT GmbH to Caterpillar Global Mining Europe GmbH . Address for service in Australia - Pizzeys Patent and Trade Mark Attorneys Level 20 324 Queen Street Brisbane QLD 4000

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