Charles W. Derr

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Spring, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Temperature verification for ultrasonic flow meters
- Patent number 8,974,114
- Issue date Mar 10, 2015
- Daniel Measurement and Control, Inc.
- Charles W. Derr
- G01 - MEASURING TESTING
Information Patent Grant
Flow meter validation
- Patent number 8,626,466
- Issue date Jan 7, 2014
- Daniel Measurement and Control, Inc.
- Daniel J. Hackett
- G01 - MEASURING TESTING
Information Patent Grant
Method and system of detecting liquid in an acoustic flow meter
- Patent number 8,155,895
- Issue date Apr 10, 2012
- Daniel Measurement and Control, Inc.
- Charles W. Derr
- G01 - MEASURING TESTING
Information Patent Grant
System and method of an acoustic flow meter with dual flow measurem...
- Patent number 7,752,919
- Issue date Jul 13, 2010
- Daniel Measurement and Control, Inc.
- Henry Charles Straub, Jr.
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
TEMPERATURE VERIFICATION FOR ULTRASONIC FLOW METERS
- Publication number 20130294475
- Publication date Nov 7, 2013
- Daniel Measurement and Control, Inc.
- Charles W. DERR
- G01 - MEASURING TESTING
Information Patent Application
FLOW METER VALIDATION
- Publication number 20110196624
- Publication date Aug 11, 2011
- Daniel Measurement and Control, Inc.
- Daniel J. HACKETT, III
- G01 - MEASURING TESTING
Information Patent Application
System and Method of an Acoustic Flow Meter With Dual Flow Measurem...
- Publication number 20100005900
- Publication date Jan 14, 2010
- Daniel Measurement and Control, Inc.
- Henry Charles Straub, JR.
- G01 - MEASURING TESTING
Information Patent Application
Method and System of Detecting Liquid in an Acoustic Flow Meter
- Publication number 20100010756
- Publication date Jan 14, 2010
- Daniel Measurement and Control, Inc.
- Charles W. Derr
- G01 - MEASURING TESTING