Patents

The below table lists the U.S. Patents on Chemical Sensors. Many of these patents are available for technology transfer and licensing by contacting the Technology Transfer Office at NASA’s Glenn Research Center 

• To view detailed information about the patent on the NASA Technical Reports Server or on on the USPTO web site click in the record’s Link field to view the NTRS or USPTO information, if available. 

Title	Inventor(s)	Date	U.S. Patent No.	Link
Polymer electrolyte-based sensors	G. W. Hunter, J. C. Xu, and C. C. Liu	October 15, 2019	10444180	USPTO
Gas sensors with contact pads	J. C. Xu and G. W. Hunter	May 15, 2018	9970914	NTRS
Processing of nanostructured devices using microfabrication techniques	G. W. Hunter, J. C. Xu, L. J. Evans, M. H. Kulis, G. M. Berger, and R. L. Vander Wal	November 4, 2014	8877636	NTRS
Carbon dioxide gas sensors and method of manufacturing and using same	G. W. Hunter and J. C. Xu	April 22, 2014	8702962	NTRS
Carbon dioxide gas sensors and method of manufacturing and using same	G. W. Hunter, J. C. Xu, C. C. Liu, and B. J. Ward	November 8, 2011	8052854	NTRS
Miniaturized metal (metal alloy)/ PdOx/SiC hydrogen and hydrocarbon gas sensors	G.W. Hunter, J.C. Xu and D. Lukco.	August 23, 2011.	8001828	NTRS
Miniaturized metal (metal alloy)/ PdOx/SiC hydrogen and hydrocarbon gas sensors	G. W. Hunter, J. C. Xu, and D. Lukco	June 24, 2008	7389675	NTRS
Gas sensors using SiC semiconductors and method of fabrication thereof	G. W. Hunter and P. G. Neudeck	July 20, 2004	6763699	NTRS
Gas sensing diode comprising SiC	G. W. Hunter	September 18, 2001	6291838	NTRS
Gas sensing diode and method of manufacturing	G. W. Hunter	February 22, 2000	6027954	NTRS
Method and apparatus for the detection of hydrogen using a metal alloy	G. W. Hunter	September 16, 1997	5668301	NTRS
PDTI metal alloy as a hydrogen or hydrocarbon sensitive metal	G. W. Hunter	May 28, 1996	5520753	NTRS