Driving system for chain sprockets of chain drives

Details for Australian Patent Application No. 2004205231 (hide)

Owner DBT GmbH

Inventors Merten, Gerhard; Langenberg, Werner; Bohle, Werner

Agent Pizzeys

Pub. Number AU-B-2004205231

Priority 103 40 593.3 01.09.03 DE

Filing date 26 August 2004

Wipo publication date 17 March 2005

Acceptance publication date 21 August 2008

International Classifications

E21C 29/16 (2006.01) Propulsion of machines for slitting or completely freeing the mineral from the seam

F16H 3/091 (2006.01) Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion

Event Publications

9 September 2004 Complete Application Filed

  Priority application(s): 103 40 593.3 01.09.03 DE

17 March 2005 Application Open to Public Inspection

  Published as AU-B-2004205231

16 August 2007 Amendment Made

  The nature of the amendment is: Amend the invention title to read Driving system for chain sprockets of chain drives

21 August 2008 Application Accepted

  Published as AU-B-2004205231

18 December 2008 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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