Inventor
BIEN FRITZ
US19 patents
⚠️ This page may combine multiple inventors who share the name “BIEN FRITZ”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SPECTRAL SCIENCES INC
15 patentsUS4953976ASep 4, 1990
Gas species monitor system
SPECTRAL SCIENCES INC167 citations98
US5822058AOct 13, 1998
Systems and methods for optically measuring properties of hydrocarbon fuel gases
SPECTRAL SCIENCES INC129 citations96
US5026991AJun 25, 1991
Gaseous species absorption monitor
SPECTRAL SCIENCES INC101 citations95
US4785184ANov 15, 1988
Infrared trace element detection system
SPECTRAL SCIENCES INC59 citations95
US4496839AJan 29, 1985
System and method for remote detection and identification of chemical species by laser initiated nonresonant infrared spectroscopy
SPECTRAL SCIENCES INC68 citations95
US4897551AJan 30, 1990
Leak detector
SPECTRAL SCIENCES INC62 citations93
US4723438AFeb 9, 1988
Spark spectroscopic high-pressure gas analyzer
SPECTRAL SCIENCES INC31 citations92
US6640199B1Oct 28, 2003
System and method for optically determining properties of hot fluids from the spectral structure of emitted radiation
SPECTRAL SCIENCES INC42 citations90
US5485276AJan 16, 1996
Multi-pass optical cell species concentration measurement system
SPECTRAL SCIENCES INC45 citations90
US5459574AOct 17, 1995
Off-line-locked laser diode species monitor system
SPECTRAL SCIENCES INC37 citations89
US8371102B1Feb 12, 2013
Combustor control based on fuel modulation and passive optical sensors
SPECTRAL SCIENCES INC29 citations88
US4766318AAug 23, 1988
Spark discharge trace element detection system
SPECTRAL SCIENCES INC22 citations81
US4780613AOct 25, 1988
Infrared species specific emission source
SPECTRAL SCIENCES INC24 citations77
US4627284ADec 9, 1986
Ultraviolet absorption hygrometer
SPECTRAL SCIENCES INC15 citations72
US4782232ANov 1, 1988
Infrared molecular species monitor
SPECTRAL SCIENCES INC6 citations61