Hydraulic oil well pumping apparatus

Details for Australian Patent Application No. 2007211013 (hide)

Owner Lufkin Industries, Inc.

Inventors Lapeyrouse, Willard J.; Vincent, Kenneth H.; Fesi, Michael A.

Agent Freehills

Pub. Number AU-B-2007211013

PCT Pub. Number WO2007/090193

Priority 60/824,123 31.08.06 US; 60/764,481 01.02.06 US

Filing date 1 February 2007

Wipo publication date 9 August 2007

Acceptance publication date 4 October 2012

International Classifications

F04B 49/00 Control of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for in, or of interest apart from, groups

F04B 9/08 Piston machines or pumps characterised by the driving or driven means to or from their working members

Event Publications

25 September 2008 PCT application entered the National Phase

  PCT publication WO2007/090193 Priority application(s): WO2007/090193

27 September 2012 Assignment before Grant

  Petro Hydraulic Lift System, L.L.C The application has been assigned to Lufkin Industries, Inc.

4 October 2012 Application Accepted

  Published as AU-B-2007211013

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