Haiwen Chen

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Bethlehem, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Methods and apparatus for monitoring water process equipment
- Patent number 6,244,098
- Issue date Jun 12, 2001
- BetzDearborn Inc.
- Haiwen Chen
- G01 - MEASURING TESTING
Information Patent Grant
Methods and apparatus for monitoring water process equipment
- Patent number 6,170,319
- Issue date Jan 9, 2001
- BetzDearborn Inc.
- Haiwen Chen
- G01 - MEASURING TESTING
Information Patent Grant
Methods and apparatus for monitoring water process equipment
- Patent number 6,109,096
- Issue date Aug 29, 2000
- BetzDearborn Inc.
- Haiwen Chen
- G01 - MEASURING TESTING
Information Patent Grant
System and method for least squares filtering based leak flow estim...
- Patent number 6,076,048
- Issue date Jun 13, 2000
- BetzDearborn, Inc.
- John C. Gunther
- F22 - STEAM GENERATION
Information Patent Grant
Apparatus and method for automatic congruent control of multiple bo...
- Patent number 5,923,571
- Issue date Jul 13, 1999
- BetzDearborn, Inc.
- John C. Gunther
- G05 - CONTROLLING REGULATING
Information Patent Grant
Method and apparatus for monitoring water process equipment
- Patent number 5,817,927
- Issue date Oct 6, 1998
- BetzDearborn Inc.
- Haiwen Chen
- G01 - MEASURING TESTING
Information Patent Grant
Methods and apparatus for monitoring water process equipment
- Patent number 5,756,880
- Issue date May 26, 1998
- BetzDearborn Inc.
- Haiwen Chen
- G01 - MEASURING TESTING