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Yafeng Liu
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Peoria, IL, US
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Patents Grants
last 30 patents
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Patent Grant
Ion-based triple sensor
Patent number
8,069,709
Issue date
Dec 6, 2011
Caterpillar Inc.
Yafeng Liu
G01 - MEASURING TESTING
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Patent Grant
Ion-based triple sensor
Patent number
7,624,627
Issue date
Dec 1, 2009
Caterpillar Inc.
Yafeng Liu
G01 - MEASURING TESTING
Patents Applications
last 30 patents
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Patent Application
ION-BASED TRIPLE SENSOR
Publication number
20100023277
Publication date
Jan 28, 2010
Caterpillar Inc.
Yafeng Liu
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Ion-based triple sensor
Publication number
20090126461
Publication date
May 21, 2009
Caterpillar Inc.
Yafeng Liu
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES