Alveolar Breath Collection Device
Ohan Baghdessarian
U.S. Patent 6,582,376 (June 24, 2003).

Automated Laser Wavelength Selection System and Method
Wiemeyer; Brian D.
U.S. Patent 6,658,032 (December 2, 2003).

Diagnostic Method for High Sensitivity Detection of Component Concentrations in Human Gas Emissions
Patel et. al.
U.S. Patent 7,004,909 (February 28, 2006).

Amplifier Enhanced Optical Analysis System and Method
Michael Evan Webber
U.S. Patent 7,064,329 (June 20, 2006).

Method of Analyzing Components of Alveolar Breath
Michael Evan Webber
U.S. Patent 7,473,229 (January 6, 2009).

Additionally, Pranalytica has multiple patents pending pertaining to high-sensitivity gas detection and quantum cascade lasers.