APPARATUS TO MEASURE DIFFERENTIAL PRESSURE WITH SETTABLE PRESSURE REFERENCE

Details for Australian Patent Application No. 2003231054 (hide)

Owner HONEYWELL INTERNATIONAL INC.

Inventors STRATION, Thomas, George; MALLISON, Edgar, Robert

Pub. Number AU-A-2003231054

PCT Number PCT/US03/12561

PCT Pub. Number WO2004/094976

Filing date 22 April 2003

Wipo publication date 19 November 2004

International Classifications

G01L 019/02 Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges

G01L 019/04 Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges - Means for compensating for effects of changes of temperature

G01L 019/06 Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges - Means for preventing overload or deleterious influence of the measured medium on the measuring device or

G01L 013/02 Devices or apparatus for measuring differences of two or more fluid pressure values

E21B 047/06 Survey of boreholes or wells - Measuring temperature or pressure

E21B 047/04 Survey of boreholes or wells - Measuring depth or liquid level

G01F 001/36 Measuring volume flow

Event Publications

14 August 2003 Complete Application Filed

16 December 2004 Application Open to Public Inspection

  Published as AU-A-2003231054

12 January 2006 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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