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Ray KEECH
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Stonehouse, GB
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Patents Grants
last 30 patents
Information
Patent Grant
Method and apparatus for electrode impedance measurement
Patent number
10,365,147
Issue date
Jul 30, 2019
ABB Limited
Ray Keech
G01 - MEASURING TESTING
Information
Patent Grant
Method and apparatus for interference reduction
Patent number
10,274,352
Issue date
Apr 30, 2019
ABB Limited
Ray Keech
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Methods and apparatus relating to measurement instruments
Patent number
9,859,952
Issue date
Jan 2, 2018
ABB Limited
Ray Keech
G05 - CONTROLLING REGULATING
Information
Patent Grant
Electromagnetic flow meter insert
Patent number
7,228,748
Issue date
Jun 12, 2007
ABB Limited
Ray Keech
G01 - MEASURING TESTING
Information
Patent Grant
Flowmeter fault detection
Patent number
6,843,137
Issue date
Jan 18, 2005
ABB Limited
Ray Keech
G01 - MEASURING TESTING
Information
Patent Grant
Electromagnetic flowmeter deriving power from signalling loop current
Patent number
6,269,701
Issue date
Aug 7, 2001
ABB Instrumentation Limited
Ray Keech
G01 - MEASURING TESTING
Information
Patent Grant
Electromagnetic flowmeter
Patent number
6,256,590
Issue date
Jul 3, 2001
ABB Instrumentation Limited
Ray Keech
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
METHOD AND APPARATUS FOR ELECTRODE IMPEDANCE MEASUREMENT
Publication number
20170131131
Publication date
May 11, 2017
ABB Limited
Ray KEECH
G01 - MEASURING TESTING
Information
Patent Application
METHOD AND APPARATUS FOR INTERFERENCE REDUCTION
Publication number
20170082468
Publication date
Mar 23, 2017
ABB Limited
Ray KEECH
G01 - MEASURING TESTING
Information
Patent Application
METERING DEVICE AND PARTS THEREFOR
Publication number
20150102941
Publication date
Apr 16, 2015
ABB Limited
Ray KEECH
G01 - MEASURING TESTING
Information
Patent Application
METHODS AND APPARATUS RELATING TO MEASUREMENT INSTRUMENTS
Publication number
20150102940
Publication date
Apr 16, 2015
ABB Limited
Ray KEECH
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Electromagnetic flow meter insert
Publication number
20050199073
Publication date
Sep 15, 2005
Ray Keech
G01 - MEASURING TESTING
Information
Patent Application
Electromagnetic flowmeter
Publication number
20030029249
Publication date
Feb 13, 2003
Ray Keech
G01 - MEASURING TESTING
Information
Patent Application
Flowmeter fault detection
Publication number
20020117009
Publication date
Aug 29, 2002
Ray Keech
G01 - MEASURING TESTING