David Andrew Risk

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Heatherton, CA

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Patents Grantslast 30 patents

Information Patent Grant
Gas emission detection device, system and method
- Patent number 10,203,311
- Issue date Feb 12, 2019
- St. Francis Xavier University
- David Andrew Risk
- G01 - MEASURING TESTING
Information Patent Grant
Method of measuring the flux of a soil gas
- Patent number 8,712,692
- Issue date Apr 29, 2014
- St. Francis Xavier University
- David A. Risk
- G01 - MEASURING TESTING
Information Patent Grant
System and method for determining flux of isotopologues
- Patent number 8,681,336
- Issue date Mar 25, 2014
- St. Francis Xavier University
- Nicholas R. Nickerson
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus and method for measuring soil gases
- Patent number 7,520,186
- Issue date Apr 21, 2009
- St. Francis Xavier University
- David A. Risk
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
GAS EMISSION DETECTION DEVICE, SYSTEM AND METHOD
- Publication number 20160161456
- Publication date Jun 9, 2016
- ST. FRANCIS XAVIER UNIVERSITY
- David Andrew Risk
- G01 - MEASURING TESTING
Information Patent Application
SYSTEM AND METHOD FOR DETERMINING FLUX OF ISOTOPOLOGUES
- Publication number 20130235378
- Publication date Sep 12, 2013
- ST. FRANCIS XAVIER UNIVERSITY
- Nicholas R. Nickerson
- G01 - MEASURING TESTING
Information Patent Application
METHOD OF MEASURING THE FLUX OF A SOIL GAS
- Publication number 20120035850
- Publication date Feb 9, 2012
- ST. FRANCIS XAVIER UNIVERSITY
- David A. Risk
- G01 - MEASURING TESTING
Information Patent Application
APPARATUS AND METHOD FOR MEASURING THE SURFACE FLUX OF A SOIL GAS C...
- Publication number 20090301234
- Publication date Dec 10, 2009
- ST. FRANCIS XAVIER UNIVERSITY
- David Risk
- G01 - MEASURING TESTING