Hao Duan

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Huntington Beach, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Flow measurement and control with bubble detection
- Patent number 7,991,510
- Issue date Aug 2, 2011
- Brooks Instrument, LLC
- Hao Duan
- G05 - CONTROLLING REGULATING
Information Patent Grant
Ultrasonic liquid flow controller
- Patent number 7,117,104
- Issue date Oct 3, 2006
- Celerity, Inc.
- Nelson Urdaneta
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
FLOW MEASUREMENT AND CONTROL WITH BUBBLE DETECTION
- Publication number 20090281671
- Publication date Nov 12, 2009
- Celerity, Inc.
- HAO DUAN
- G05 - CONTROLLING REGULATING
Information Patent Application
Flow measurement and control with bubble detection
- Publication number 20070191990
- Publication date Aug 16, 2007
- Hao Duan
- G05 - CONTROLLING REGULATING
Information Patent Application
Ultrasonic liquid flow controller
- Publication number 20050288873
- Publication date Dec 29, 2005
- Nelson Urdaneta
- G05 - CONTROLLING REGULATING