Multi-level refined throttle manifold and automatic control system

Details for Australian Patent Application No. 2009101354 (hide)

Owner China University of Petroleum, Beijing Campus Beijing Union University

Inventors Liu, Gonghui; Zhu, Zhongxi; Li, Jun

Agent Neal Holliday

Pub. Number AU-A-2009101354

Priority 200910207405.1 30.10.09 CN

Filing date 12 November 2009

Opi date 29 September 2011

International Classifications

E21B 44/00 (2006.01) Automatic control

E21B 21/08 (2006.01) Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor

E21B 21/10 (2006.01) Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor

E21B 34/16 (2006.01) Valve arrangements for boreholes or wells

Event Publications

29 September 2011 Innovation Patent Open to Public Inspection

  Published as AU-A-2009101354

29 September 2011 Innovation Patent Sealed

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