A protection circuit for intrinsically safe electro-magnetic actuators and a protection circuit for intrinsically safe energy supply systems

Details for Australian Patent Application No. 2006200180 (hide)

Owner DBT GmbH

Inventors Travis, Jeff; Ferguson, Dan; Lenzing, Markus; Titschert, Jens

Agent Callinan

Pub. Number AU-B-2006200180

Priority 102005002648.6 19.01.05 DE

Filing date 17 January 2006

Wipo publication date 3 August 2006

Acceptance publication date 17 June 2010

International Classifications

H01H 83/08 (2006.01) Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current

E21F 17/06 (2006.01) Methods or devices for use in mines or tunnels, not covered elsewhere

H01H 36/00 (2006.01) Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding

H01H 79/00 (2006.01) Protective switches in which excess current causes the closing of contacts, e.g. for short-circuiting the apparatus to be protected

Event Publications

2 February 2006 Complete Application Filed

  Priority application(s): 102005002648.6 19.01.05 DE

3 August 2006 Application Open to Public Inspection

  Published as AU-B-2006200180

17 June 2010 Application Accepted

  Published as AU-B-2006200180

14 October 2010 Standard Patent Sealed

3 February 2011 Alteration of Name

  The name of the patentee has been altered to Bucyrus Europe GmbH

2 August 2012 Application for Amendment

  The nature of the amendment is: Amend the patentee from Bucyrus Europe GmbH to Caterpillar Global Mining Europe GmbH . Address for service in Australia - Callinans 1193 Toorak Road Camberwell VIC 3124

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