Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Laser system for cross-road measurement of motor vehicle exhaust gases

Laser system for cross-road measurement of motor vehicle exhaust gases

US Patent 5877862 · Granted Mar 2, 1999

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Rapid, sensitive hydrogen detector with flow path difference compensation2025
Rapid, sensitive hydrogen detector with active hydrogen-derived water vapor sign2025
Rapid, sensitive hydrogen detector2023
Methods and apparatus for measuring small leaks from carbon dioxide sequestratio2018
Techniques for active passivation2016
Laser absorption measurement for clumped isotopes2016
Optical multi-pass cell for long path-length spectroscopy2016
Extractive sampling system and method for measuring one or more molecular specie2007
Extractive sampling system and method for measuring one or more molecular specie2007
Extractive sampling system and method for measuring one or more molecular specie2007
Atmospheric-particle analyzer2000
Method and means for controlling the frequency and power output of a tunable dio1992