Measuring and testing – Specific gravity or density of liquid or solid
Reexamination Certificate
2006-06-20
2008-10-21
Chapman, John E (Department: 2856)
Measuring and testing
Specific gravity or density of liquid or solid
Reexamination Certificate
active
07437909
ABSTRACT:
An oscillatory measurement system is disclosed that includes a visual recorder for detecting irregularities such as bubbles in a fluid to be measured. Techniques are provided for scanning the recorder across the oscillatory tube.
REFERENCES:
patent: 4074562 (1978-02-01), North, Jr.
patent: 6629449 (2003-10-01), Kline-Schoder et al.
patent: 6843099 (2005-01-01), Derek et al.
Chapman John E
Kaplan Gilman Gibson & Dernier LLP
Rudolph Research Analytical
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