Data processing: measuring – calibrating – or testing – Measurement system in a specific environment – Mechanical measurement system
Reexamination Certificate
2005-06-21
2005-06-21
Barlow, John (Department: 2863)
Data processing: measuring, calibrating, or testing
Measurement system in a specific environment
Mechanical measurement system
C073S152530, C073S724000, C702S045000, C702S047000, C702S055000
Reexamination Certificate
active
06909975
ABSTRACT:
A method and apparatus integrates differential pressure measurements and absolute pressure measurements to provide virtual absolute pressure measurements over a wide range of pressures on a single integrated scale.
REFERENCES:
patent: 3350931 (1967-11-01), Johnson et al.
patent: 5107441 (1992-04-01), Decker
patent: 6672171 (2004-01-01), Gu et al.
patent: 2001/0029889 (2001-10-01), Holcomb et al.
Dozoretz Paul
Gu Youfan
Holcomb Garry
Wenzel Ole
Barlow John
Cochran Freund & Young LLC
Le John
MKS Instruments Inc.
Young James R.
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