US Patent No: 4,849,988

Number of patents in Portfolio can not be more than 2000

Apparatus and method for measuring the quality of steam

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Abstract

Steam quality measuring and monitoring apparatus and methods which measures the quality of steam flowing in a steam pipe includes a test cell connected in line with the steam pipe so that the steam flows through the test cell. The capacitance, the dielectric constant, the temperature and the density of the steam flowing through the test cell are measured and monitored and the quality of the steam is derived in accordance with the steam density and temperature.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
TEXACO INC.WHITE PLAINS, NY2000

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chien, Sze-Foo Houston, TX 11 162

Cited Art

Patent Info (Count) # Cites Year
 
CONOCO INC. (1)
4,769,593 Method and apparatus for measurement of steam quality 19 1986
 
KAY-RAY/SENSALL, INC. (1)
4,753,106 Steam quality meter 9 1986
 
TEXACO INC. (1)
4,681,466 Method for determining quality of reduced quality steam 10 1986

Patent Citation Ranking

Forward Cites

Patent Info (Count) # Cites Year
 
A+ MANUFACTURING, LLC (1)
7,134,318 Method of analyzing entrained liquid in a vapor containing fluid 1 2005
 
GENERAL ELECTRIC COMPANY (1)
8,100,580 Measurement of steam quality in steam turbine 1 2009
 
GSLE SUBCO L.L.C. (1)
5,158,747 Apparatus for identifying and distinguishing different refrigerants 19 1991
 
JAPAN OIL, GAS AND METALS NATIONAL CORPORATION (1)
5,327,773 Method and apparatus for measuring steam density by neutron method 2 1993
 
THERMO DIAGNOSTICS COMPANY LLC (1)
8,325,049 Method and system for measuring temperature and pressure in different regions to determine steam quality 0 2009
 
YORK SNOW, INC. (1)
4,977,523 Apparatus for the measurement of snow quality 3 1989
 
OTHER [CHECK PATENT PROFILE FOR ASSIGNMENT INFORMATION] (1)
5,067,345 Method and apparatus for measuring and calculating bulk water in crude oil or bulk water in steam 23 1990